diff options
Diffstat (limited to 'lisp/net/tramp.el')
| -rw-r--r-- | lisp/net/tramp.el | 5830 |
1 files changed, 87 insertions, 5743 deletions
diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el index cddfd44c13b..d03201a3afb 100644 --- a/lisp/net/tramp.el +++ b/lisp/net/tramp.el @@ -3,8 +3,6 @@ ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. -;; (copyright statements below in code to be updated with the above notice) - ;; Author: Kai Großjohann <kai.grossjohann@gmx.net> ;; Michael Albinus <michael.albinus@gmx.de> ;; Keywords: comm, processes @@ -60,33 +58,8 @@ ;;; Code: -;; Since Emacs 23.1, loading messages have been disabled during -;; autoload. However, loading Tramp takes a while, and it could -;; happen while typing a filename in the minibuffer. Therefore, Tramp -;; shall inform about. -(when (and load-in-progress (null (current-message))) - (message "Loading tramp...")) - (require 'tramp-compat) -(require 'format-spec) -;; As long as password.el is not part of (X)Emacs, it shouldn't -;; be mandatory -(if (featurep 'xemacs) - (load "password" 'noerror) - (or (require 'password-cache nil 'noerror) - (require 'password nil 'noerror))) ; from No Gnus, also in tar ball - -(require 'shell) -(require 'advice) - -(eval-and-compile - (if (featurep 'xemacs) - (load "auth-source" 'noerror) - (require 'auth-source nil 'noerror))) - -(autoload 'uudecode-decode-region "uudecode") - ;;; User Customizable Internal Variables: (defgroup tramp nil @@ -202,382 +175,8 @@ See the variable `tramp-encoding-shell' for more information." :group 'tramp :type 'string) -(defcustom tramp-inline-compress-start-size 4096 - "*The minimum size of compressing where inline transfer. -When inline transfer, compress transfered data of file -whose size is this value or above (up to `tramp-copy-size-limit'). -If it is nil, no compression at all will be applied." - :group 'tramp - :type '(choice (const nil) integer)) - -(defcustom tramp-copy-size-limit 10240 - "*The maximum file size where inline copying is preferred over an out-of-the-band copy. -If it is nil, inline out-of-the-band copy will be used without a check." - :group 'tramp - :type '(choice (const nil) integer)) - -;;;###tramp-autoload -(defcustom tramp-terminal-type "dumb" - "*Value of TERM environment variable for logging in to remote host. -Because Tramp wants to parse the output of the remote shell, it is easily -confused by ANSI color escape sequences and suchlike. Often, shell init -files conditionalize this setup based on the TERM environment variable." - :group 'tramp - :type 'string) - -;; ksh on OpenBSD 4.5 requires, that PS1 contains a `#' character for -;; root users. It uses the `$' character for other users. In order -;; to guarantee a proper prompt, we use "#$" for the prompt. - -(defvar tramp-end-of-output - (format - "///%s#$" - (md5 (concat (prin1-to-string process-environment) (current-time-string)))) - "String used to recognize end of output. -The '$' character at the end is quoted; the string cannot be -detected as prompt when being sent on echoing hosts, therefore.") - -;;;###tramp-autoload -(defconst tramp-initial-end-of-output "#$ " - "Prompt when establishing a connection.") - ;;;###tramp-autoload -(defvar tramp-methods - `(("rcp" (tramp-login-program "rsh") - (tramp-login-args (("%h") ("-l" "%u"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "rcp") - (tramp-copy-args (("-p" "%k") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil)) - ("scp" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp") - (tramp-copy-args (("-P" "%p") ("-p" "%k") - ("-q") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("scp1" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-1") ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp") - (tramp-copy-args (("-1") ("-P" "%p") ("-p" "%k") - ("-q") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("scp2" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-2") ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp") - (tramp-copy-args (("-2") ("-P" "%p") ("-p" "%k") - ("-q") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("scp1_old" - (tramp-login-program "ssh1") - (tramp-login-args (("%h") ("-l" "%u") ("-p" "%p") - ("-e" "none"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp1") - (tramp-copy-args (("-p" "%k") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil)) - ("scp2_old" - (tramp-login-program "ssh2") - (tramp-login-args (("%h") ("-l" "%u") ("-p" "%p") - ("-e" "none"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp2") - (tramp-copy-args (("-p" "%k") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil)) - ("sftp" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "sftp") - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("rsync" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "rsync") - (tramp-copy-args (("-e" "ssh") ("-t" "%k") ("-r"))) - (tramp-copy-keep-date t) - (tramp-copy-keep-tmpfile t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil)) - ("rsyncc" - (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-o" "ControlPath=%t.%%r@%%h:%%p") - ("-o" "ControlMaster=yes") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "rsync") - (tramp-copy-args (("-t" "%k") ("-r"))) - (tramp-copy-env (("RSYNC_RSH") - (,(concat - "ssh" - " -o ControlPath=%t.%%r@%%h:%%p" - " -o ControlMaster=auto")))) - (tramp-copy-keep-date t) - (tramp-copy-keep-tmpfile t) - (tramp-copy-recursive t) - (tramp-password-end-of-line nil)) - ("remcp" (tramp-login-program "remsh") - (tramp-login-args (("%h") ("-l" "%u"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "rcp") - (tramp-copy-args (("-p" "%k"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line nil)) - ("rsh" (tramp-login-program "rsh") - (tramp-login-args (("%h") ("-l" "%u"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("ssh" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("ssh1" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-1") ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("ssh2" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-2") ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("ssh1_old" - (tramp-login-program "ssh1") - (tramp-login-args (("%h") ("-l" "%u") ("-p" "%p") - ("-e" "none"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("ssh2_old" - (tramp-login-program "ssh2") - (tramp-login-args (("%h") ("-l" "%u") ("-p" "%p") - ("-e" "none"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("remsh" (tramp-login-program "remsh") - (tramp-login-args (("%h") ("-l" "%u"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("telnet" - (tramp-login-program "telnet") - (tramp-login-args (("%h") ("%p"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil) - (tramp-default-port 23)) - ("su" (tramp-login-program "su") - (tramp-login-args (("-") ("%u"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("sudo" (tramp-login-program "sudo") - (tramp-login-args (("-u" "%u") - ("-s") ("-H") ("-p" "Password:"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("scpc" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-o" "ControlPath=%t.%%r@%%h:%%p") - ("-o" "ControlMaster=yes") - ("-e" "none") ("%h"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp") - (tramp-copy-args (("-P" "%p") ("-p" "%k") ("-q") - ("-o" "ControlPath=%t.%%r@%%h:%%p") - ("-o" "ControlMaster=auto"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("scpx" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("-t" "-t") - ("%h") ("/bin/sh"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "scp") - (tramp-copy-args (("-p" "%k"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("sshx" (tramp-login-program "ssh") - (tramp-login-args (("-l" "%u") ("-p" "%p") - ("-e" "none") ("-t" "-t") - ("%h") ("/bin/sh"))) - (tramp-async-args (("-q"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil) - (tramp-gw-args (("-o" - "GlobalKnownHostsFile=/dev/null") - ("-o" "UserKnownHostsFile=/dev/null") - ("-o" "StrictHostKeyChecking=no"))) - (tramp-default-port 22)) - ("krlogin" - (tramp-login-program "krlogin") - (tramp-login-args (("%h") ("-l" "%u") ("-x"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("plink" (tramp-login-program "plink") - (tramp-login-args (("-l" "%u") ("-P" "%p") - ("-ssh") ("%h"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line "xy") ;see docstring for "xy" - (tramp-default-port 22)) - ("plink1" - (tramp-login-program "plink") - (tramp-login-args (("-l" "%u") ("-P" "%p") - ("-1" "-ssh") ("%h"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line "xy") ;see docstring for "xy" - (tramp-default-port 22)) - ("plinkx" - (tramp-login-program "plink") - ;; ("%h") must be a single element, see - ;; `tramp-compute-multi-hops'. - (tramp-login-args (("-load") ("%h") ("-t") - (,(format - "env 'TERM=%s' 'PROMPT_COMMAND=' 'PS1=%s'" - tramp-terminal-type - tramp-initial-end-of-output)) - ("/bin/sh"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program nil) - (tramp-copy-args nil) - (tramp-copy-keep-date nil) - (tramp-password-end-of-line nil)) - ("pscp" (tramp-login-program "plink") - (tramp-login-args (("-l" "%u") ("-P" "%p") - ("-ssh") ("%h"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "pscp") - (tramp-copy-args (("-P" "%p") ("-scp") ("-p" "%k"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line "xy") ;see docstring for "xy" - (tramp-default-port 22)) - ("psftp" (tramp-login-program "plink") - (tramp-login-args (("-l" "%u") ("-P" "%p") - ("-ssh") ("%h"))) - (tramp-remote-sh "/bin/sh") - (tramp-copy-program "pscp") - (tramp-copy-args (("-P" "%p") ("-sftp") ("-p" "%k"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line "xy")) ;see docstring for "xy" - ("fcp" (tramp-login-program "fsh") - (tramp-login-args (("%h") ("-l" "%u") ("sh" "-i"))) - (tramp-remote-sh "/bin/sh -i") - (tramp-copy-program "fcp") - (tramp-copy-args (("-p" "%k"))) - (tramp-copy-keep-date t) - (tramp-password-end-of-line nil))) +(defvar tramp-methods nil "*Alist of methods for remote files. This is a list of entries of the form (NAME PARAM1 PARAM2 ...). Each NAME stands for a remote access method. Each PARAM is a @@ -719,8 +318,7 @@ Also see `tramp-default-method-alist'." :group 'tramp :type 'string) -(defcustom tramp-default-method-alist - '(("\\`localhost\\'" "\\`root\\'" "su")) +(defcustom tramp-default-method-alist nil "*Default method to use for specific host/user pairs. This is an alist of items (HOST USER METHOD). The first matching item specifies the method to use for a file name which does not specify a @@ -737,8 +335,7 @@ See `tramp-methods' for a list of possibilities for METHOD." (regexp :tag "User regexp") (string :tag "Method")))) -(defcustom tramp-default-user - nil +(defcustom tramp-default-user nil "*Default user to use for transferring files. It is nil by default; otherwise settings in configuration files like \"~/.ssh/config\" would be overwritten. Also see `tramp-default-user-alist'. @@ -747,10 +344,7 @@ This variable is regarded as obsolete, and will be removed soon." :group 'tramp :type '(choice (const nil) string)) -(defcustom tramp-default-user-alist - `(("\\`su\\(do\\)?\\'" nil "root") - ("\\`r\\(em\\)?\\(cp\\|sh\\)\\|telnet\\|plink1?\\'" - nil ,(user-login-name))) +(defcustom tramp-default-user-alist nil "*Default user to use for specific method/host pairs. This is an alist of items (METHOD HOST USER). The first matching item specifies the user to use for a file name which does not specify a @@ -765,8 +359,7 @@ empty string for the method name." (regexp :tag "Host regexp") (string :tag "User")))) -(defcustom tramp-default-host - (system-name) +(defcustom tramp-default-host (system-name) "*Default host to use for transferring files. Useful for su and sudo methods mostly." :group 'tramp @@ -796,39 +389,6 @@ interpreted as a regular expression which always matches." "^" (regexp-opt (list "localhost" (system-name) "127\.0\.0\.1" "::1") t) "$") "*Host names which are regarded as local host.") -(defconst tramp-completion-function-alist-rsh - '((tramp-parse-rhosts "/etc/hosts.equiv") - (tramp-parse-rhosts "~/.rhosts")) - "Default list of (FUNCTION FILE) pairs to be examined for rsh methods.") - -(defconst tramp-completion-function-alist-ssh - '((tramp-parse-rhosts "/etc/hosts.equiv") - (tramp-parse-rhosts "/etc/shosts.equiv") - (tramp-parse-shosts "/etc/ssh_known_hosts") - (tramp-parse-sconfig "/etc/ssh_config") - (tramp-parse-shostkeys "/etc/ssh2/hostkeys") - (tramp-parse-sknownhosts "/etc/ssh2/knownhosts") - (tramp-parse-rhosts "~/.rhosts") - (tramp-parse-rhosts "~/.shosts") - (tramp-parse-shosts "~/.ssh/known_hosts") - (tramp-parse-sconfig "~/.ssh/config") - (tramp-parse-shostkeys "~/.ssh2/hostkeys") - (tramp-parse-sknownhosts "~/.ssh2/knownhosts")) - "Default list of (FUNCTION FILE) pairs to be examined for ssh methods.") - -(defconst tramp-completion-function-alist-telnet - '((tramp-parse-hosts "/etc/hosts")) - "Default list of (FUNCTION FILE) pairs to be examined for telnet methods.") - -(defconst tramp-completion-function-alist-su - '((tramp-parse-passwd "/etc/passwd")) - "Default list of (FUNCTION FILE) pairs to be examined for su methods.") - -(defconst tramp-completion-function-alist-putty - '((tramp-parse-putty - "HKEY_CURRENT_USER\\Software\\SimonTatham\\PuTTY\\Sessions")) - "Default list of (FUNCTION REGISTRY) pairs to be examined for putty methods.") - (defvar tramp-completion-function-alist nil "*Alist of methods for remote files. This is a list of entries of the form \(NAME PAIR1 PAIR2 ...\). @@ -849,63 +409,6 @@ names from FILE for completion. The following predefined FUNCTIONs exists: FUNCTION can also be a customer defined function. For more details see the info pages.") -(eval-after-load "tramp" - '(progn - (tramp-set-completion-function - "rcp" tramp-completion-function-alist-rsh) - (tramp-set-completion-function - "scp" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "scp1" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "scp2" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "scp1_old" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "scp2_old" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "rsync" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "rsyncc" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "remcp" tramp-completion-function-alist-rsh) - (tramp-set-completion-function - "rsh" tramp-completion-function-alist-rsh) - (tramp-set-completion-function - "ssh" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "ssh1" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "ssh2" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "ssh1_old" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "ssh2_old" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "remsh" tramp-completion-function-alist-rsh) - (tramp-set-completion-function - "telnet" tramp-completion-function-alist-telnet) - (tramp-set-completion-function - "su" tramp-completion-function-alist-su) - (tramp-set-completion-function - "sudo" tramp-completion-function-alist-su) - (tramp-set-completion-function - "scpx" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "sshx" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "krlogin" tramp-completion-function-alist-rsh) - (tramp-set-completion-function - "plink" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "plink1" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "plinkx" tramp-completion-function-alist-putty) - (tramp-set-completion-function - "pscp" tramp-completion-function-alist-ssh) - (tramp-set-completion-function - "fcp" tramp-completion-function-alist-ssh))) - (defconst tramp-echo-mark-marker "_echo" "String marker to surround echoed commands.") @@ -954,55 +457,6 @@ The default value is to use the same value as `tramp-rsh-end-of-line'." :group 'tramp :type 'string) -;; "getconf PATH" yields: -;; HP-UX: /usr/bin:/usr/ccs/bin:/opt/ansic/bin:/opt/langtools/bin:/opt/fortran/bin -;; Solaris: /usr/xpg4/bin:/usr/ccs/bin:/usr/bin:/opt/SUNWspro/bin -;; GNU/Linux (Debian, Suse): /bin:/usr/bin -;; FreeBSD: /usr/bin:/bin:/usr/sbin:/sbin: - beware trailing ":"! -;; IRIX64: /usr/bin -(defcustom tramp-remote-path - '(tramp-default-remote-path "/usr/sbin" "/usr/local/bin" - "/local/bin" "/local/freeware/bin" "/local/gnu/bin" - "/usr/freeware/bin" "/usr/pkg/bin" "/usr/contrib/bin") - "*List of directories to search for executables on remote host. -For every remote host, this variable will be set buffer local, -keeping the list of existing directories on that host. - -You can use `~' in this list, but when searching for a shell which groks -tilde expansion, all directory names starting with `~' will be ignored. - -`Default Directories' represent the list of directories given by -the command \"getconf PATH\". It is recommended to use this -entry on top of this list, because these are the default -directories for POSIX compatible commands. - -`Private Directories' are the settings of the $PATH environment, -as given in your `~/.profile'." - :group 'tramp - :type '(repeat (choice - (const :tag "Default Directories" tramp-default-remote-path) - (const :tag "Private Directories" tramp-own-remote-path) - (string :tag "Directory")))) - -(defcustom tramp-remote-process-environment - `("HISTFILE=$HOME/.tramp_history" "HISTSIZE=1" "LC_ALL=C" - ,(format "TERM=%s" tramp-terminal-type) - "EMACS=t" ;; Deprecated. - ,(format "INSIDE_EMACS='%s,tramp:%s'" emacs-version tramp-version) - "CDPATH=" "HISTORY=" "MAIL=" "MAILCHECK=" "MAILPATH=" - "autocorrect=" "correct=") - - "*List of environment variables to be set on the remote host. - -Each element should be a string of the form ENVVARNAME=VALUE. An -entry ENVVARNAME= diables the corresponding environment variable, -which might have been set in the init files like ~/.profile. - -Special handling is applied to the PATH environment, which should -not be set here. Instead of, it should be set via `tramp-remote-path'." - :group 'tramp - :type '(repeat string)) - (defcustom tramp-login-prompt-regexp ".*ogin\\( .*\\)?: *" "*Regexp matching login-like prompts. @@ -1130,15 +584,13 @@ The answer will be provided by `tramp-action-process-alive', :group 'tramp :type 'regexp) -(defcustom tramp-temp-name-prefix "tramp." +(defconst tramp-temp-name-prefix "tramp." "*Prefix to use for temporary files. If this is a relative file name (such as \"tramp.\"), it is considered relative to the directory name returned by the function `tramp-compat-temporary-file-directory' (which see). It may also be an absolute file name; don't forget to include a prefix for the filename -part, though." - :group 'tramp - :type 'string) +part, though.") (defconst tramp-temp-buffer-name " *tramp temp*" "Buffer name for a temporary buffer. @@ -1149,22 +601,6 @@ It shall be used in combination with `generate-new-buffer-name'.") Useful for \"rsync\" like methods.") (make-variable-buffer-local 'tramp-temp-buffer-file-name) -(defcustom tramp-sh-extra-args '(("/bash\\'" . "-norc -noprofile")) - "*Alist specifying extra arguments to pass to the remote shell. -Entries are (REGEXP . ARGS) where REGEXP is a regular expression -matching the shell file name and ARGS is a string specifying the -arguments. - -This variable is only used when Tramp needs to start up another shell -for tilde expansion. The extra arguments should typically prevent the -shell from reading its init file." - :group 'tramp - ;; This might be the wrong way to test whether the widget type - ;; `alist' is available. Who knows the right way to test it? - :type (if (get 'alist 'widget-type) - '(alist :key-type string :value-type string) - '(repeat (cons string string)))) - ;; XEmacs is distributed with few Lisp packages. Further packages are ;; installed using EFS. If we use a unified filename format, then ;; Tramp is required in addition to EFS. (But why can't Tramp just @@ -1223,8 +659,7 @@ Used in `tramp-make-tramp-file-name'.") "*Regexp matching delimeter between method and user or host names. Derived from `tramp-postfix-method-format'.") -(defconst tramp-user-regexp - "[^:/ \t]+" +(defconst tramp-user-regexp "[^:/ \t]+" "*Regexp matching user names.") (defconst tramp-prefix-domain-format "%" @@ -1235,8 +670,7 @@ Derived from `tramp-postfix-method-format'.") "*Regexp matching delimeter between user and domain names. Derived from `tramp-prefix-domain-format'.") -(defconst tramp-domain-regexp - "[-a-zA-Z0-9_.]+" +(defconst tramp-domain-regexp "[-a-zA-Z0-9_.]+" "*Regexp matching domain names.") (defconst tramp-user-with-domain-regexp @@ -1245,8 +679,7 @@ Derived from `tramp-prefix-domain-format'.") "\\(" tramp-domain-regexp "\\)") "*Regexp matching user names with domain names.") -(defconst tramp-postfix-user-format - "@" +(defconst tramp-postfix-user-format "@" "*String matching delimeter between user and host names. Used in `tramp-make-tramp-file-name'.") @@ -1255,8 +688,7 @@ Used in `tramp-make-tramp-file-name'.") "*Regexp matching delimeter between user and host names. Derived from `tramp-postfix-user-format'.") -(defconst tramp-host-regexp - "[a-zA-Z0-9_.-]+" +(defconst tramp-host-regexp "[a-zA-Z0-9_.-]+" "*Regexp matching host names.") (defconst tramp-prefix-ipv6-format @@ -1304,8 +736,7 @@ Derived from `tramp-postfix-ipv6-format'.") "*Regexp matching delimeter between host names and port numbers. Derived from `tramp-prefix-port-format'.") -(defconst tramp-port-regexp - "[0-9]+" +(defconst tramp-port-regexp "[0-9]+" "*Regexp matching port numbers.") (defconst tramp-host-with-port-regexp @@ -1327,8 +758,7 @@ Used in `tramp-make-tramp-file-name'.") "*Regexp matching delimeter between host names and localnames. Derived from `tramp-postfix-host-format'.") -(defconst tramp-localname-regexp - ".*$" +(defconst tramp-localname-regexp ".*$" "*Regexp matching localnames.") ;; File name format. @@ -1376,15 +806,13 @@ Tramp. See `tramp-file-name-structure' for more explanations. On W32 systems, the volume letter must be ignored.") ;;;###autoload -(defconst tramp-file-name-regexp-separate - "\\`/\\[.*\\]" +(defconst tramp-file-name-regexp-separate "\\`/\\[.*\\]" "Value for `tramp-file-name-regexp' for separate remoting. XEmacs uses a separate filename syntax for Tramp and EFS. See `tramp-file-name-structure' for more explanations.") ;;;###autoload -(defconst tramp-file-name-regexp-url - "\\`/[^/:]+://" +(defconst tramp-file-name-regexp-url "\\`/[^/:]+://" "Value for `tramp-file-name-regexp' for URL-like remoting. See `tramp-file-name-structure' for more explanations.") @@ -1458,38 +886,6 @@ updated after changing this variable. Also see `tramp-file-name-structure'.") -(defconst tramp-actions-before-shell - '((tramp-login-prompt-regexp tramp-action-login) - (tramp-password-prompt-regexp tramp-action-password) - (tramp-wrong-passwd-regexp tramp-action-permission-denied) - (shell-prompt-pattern tramp-action-succeed) - (tramp-shell-prompt-pattern tramp-action-succeed) - (tramp-yesno-prompt-regexp tramp-action-yesno) - (tramp-yn-prompt-regexp tramp-action-yn) - (tramp-terminal-prompt-regexp tramp-action-terminal) - (tramp-process-alive-regexp tramp-action-process-alive)) - "List of pattern/action pairs. -Whenever a pattern matches, the corresponding action is performed. -Each item looks like (PATTERN ACTION). - -The PATTERN should be a symbol, a variable. The value of this -variable gives the regular expression to search for. Note that the -regexp must match at the end of the buffer, \"\\'\" is implicitly -appended to it. - -The ACTION should also be a symbol, but a function. When the -corresponding PATTERN matches, the ACTION function is called.") - -(defconst tramp-actions-copy-out-of-band - '((tramp-password-prompt-regexp tramp-action-password) - (tramp-wrong-passwd-regexp tramp-action-permission-denied) - (tramp-copy-failed-regexp tramp-action-permission-denied) - (tramp-process-alive-regexp tramp-action-out-of-band)) - "List of pattern/action pairs. -This list is used for copying/renaming with out-of-band methods. - -See `tramp-actions-before-shell' for more info.") - ;; Chunked sending kludge. We set this to 500 for black-listed constellations ;; known to have a bug in `process-send-string'; some ssh connections appear ;; to drop bytes when data is sent too quickly. There is also a connection @@ -1595,432 +991,18 @@ means to use always cached values for the directory contents." (defvar tramp-current-host nil "Remote host for this *tramp* buffer.") -(defconst tramp-uudecode - "(echo begin 600 /tmp/tramp.$$; tail +2) | uudecode -cat /tmp/tramp.$$ -rm -f /tmp/tramp.$$" - "Shell function to implement `uudecode' to standard output. -Many systems support `uudecode -o /dev/stdout' or `uudecode -o -' -for this or `uudecode -p', but some systems don't, and for them -we have this shell function.") - -(defconst tramp-perl-file-truename - "%s -e ' -use File::Spec; -use Cwd \"realpath\"; - -sub recursive { - my ($volume, @dirs) = @_; - my $real = realpath(File::Spec->catpath( - $volume, File::Spec->catdir(@dirs), \"\")); - if ($real) { - my ($vol, $dir) = File::Spec->splitpath($real, 1); - return ($vol, File::Spec->splitdir($dir)); - } - else { - my $last = pop(@dirs); - ($volume, @dirs) = recursive($volume, @dirs); - push(@dirs, $last); - return ($volume, @dirs); - } -} - -$result = realpath($ARGV[0]); -if (!$result) { - my ($vol, $dir) = File::Spec->splitpath($ARGV[0], 1); - ($vol, @dirs) = recursive($vol, File::Spec->splitdir($dir)); - - $result = File::Spec->catpath($vol, File::Spec->catdir(@dirs), \"\"); -} - -if ($ARGV[0] =~ /\\/$/) { - $result = $result . \"/\"; -} - -print \"\\\"$result\\\"\\n\"; -' \"$1\" 2>/dev/null" - "Perl script to produce output suitable for use with `file-truename' -on the remote file system. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled.") - -(defconst tramp-perl-file-name-all-completions - "%s -e 'sub case { - my $str = shift; - if ($ARGV[2]) { - return lc($str); - } - else { - return $str; - } -} -opendir(d, $ARGV[0]) || die(\"$ARGV[0]: $!\\nfail\\n\"); -@files = readdir(d); closedir(d); -foreach $f (@files) { - if (case(substr($f, 0, length($ARGV[1]))) eq case($ARGV[1])) { - if (-d \"$ARGV[0]/$f\") { - print \"$f/\\n\"; - } - else { - print \"$f\\n\"; - } - } -} -print \"ok\\n\" -' \"$1\" \"$2\" \"$3\" 2>/dev/null" - "Perl script to produce output suitable for use with -`file-name-all-completions' on the remote file system. Escape -sequence %s is replaced with name of Perl binary. This string is -passed to `format', so percent characters need to be doubled.") - -;; Perl script to implement `file-attributes' in a Lisp `read'able -;; output. If you are hacking on this, note that you get *no* output -;; unless this spits out a complete line, including the '\n' at the -;; end. -;; The device number is returned as "-1", because there will be a virtual -;; device number set in `tramp-handle-file-attributes'. -(defconst tramp-perl-file-attributes - "%s -e ' -@stat = lstat($ARGV[0]); -if (!@stat) { - print \"nil\\n\"; - exit 0; -} -if (($stat[2] & 0170000) == 0120000) -{ - $type = readlink($ARGV[0]); - $type = \"\\\"$type\\\"\"; -} -elsif (($stat[2] & 0170000) == 040000) -{ - $type = \"t\"; -} -else -{ - $type = \"nil\" -}; -$uid = ($ARGV[1] eq \"integer\") ? $stat[4] : \"\\\"\" . getpwuid($stat[4]) . \"\\\"\"; -$gid = ($ARGV[1] eq \"integer\") ? $stat[5] : \"\\\"\" . getgrgid($stat[5]) . \"\\\"\"; -printf( - \"(%%s %%u %%s %%s (%%u %%u) (%%u %%u) (%%u %%u) %%u.0 %%u t (%%u . %%u) -1)\\n\", - $type, - $stat[3], - $uid, - $gid, - $stat[8] >> 16 & 0xffff, - $stat[8] & 0xffff, - $stat[9] >> 16 & 0xffff, - $stat[9] & 0xffff, - $stat[10] >> 16 & 0xffff, - $stat[10] & 0xffff, - $stat[7], - $stat[2], - $stat[1] >> 16 & 0xffff, - $stat[1] & 0xffff -);' \"$1\" \"$2\" 2>/dev/null" - "Perl script to produce output suitable for use with `file-attributes' -on the remote file system. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled.") - -(defconst tramp-perl-directory-files-and-attributes - "%s -e ' -chdir($ARGV[0]) or printf(\"\\\"Cannot change to $ARGV[0]: $''!''\\\"\\n\"), exit(); -opendir(DIR,\".\") or printf(\"\\\"Cannot open directory $ARGV[0]: $''!''\\\"\\n\"), exit(); -@list = readdir(DIR); -closedir(DIR); -$n = scalar(@list); -printf(\"(\\n\"); -for($i = 0; $i < $n; $i++) -{ - $filename = $list[$i]; - @stat = lstat($filename); - if (($stat[2] & 0170000) == 0120000) - { - $type = readlink($filename); - $type = \"\\\"$type\\\"\"; - } - elsif (($stat[2] & 0170000) == 040000) - { - $type = \"t\"; - } - else - { - $type = \"nil\" - }; - $uid = ($ARGV[1] eq \"integer\") ? $stat[4] : \"\\\"\" . getpwuid($stat[4]) . \"\\\"\"; - $gid = ($ARGV[1] eq \"integer\") ? $stat[5] : \"\\\"\" . getgrgid($stat[5]) . \"\\\"\"; - printf( - \"(\\\"%%s\\\" %%s %%u %%s %%s (%%u %%u) (%%u %%u) (%%u %%u) %%u.0 %%u t (%%u . %%u) (%%u . %%u))\\n\", - $filename, - $type, - $stat[3], - $uid, - $gid, - $stat[8] >> 16 & 0xffff, - $stat[8] & 0xffff, - $stat[9] >> 16 & 0xffff, - $stat[9] & 0xffff, - $stat[10] >> 16 & 0xffff, - $stat[10] & 0xffff, - $stat[7], - $stat[2], - $stat[1] >> 16 & 0xffff, - $stat[1] & 0xffff, - $stat[0] >> 16 & 0xffff, - $stat[0] & 0xffff); -} -printf(\")\\n\");' \"$1\" \"$2\" 2>/dev/null" - "Perl script implementing `directory-files-attributes' as Lisp `read'able -output. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled.") - -;; ;; These two use uu encoding. -;; (defvar tramp-perl-encode "%s -e'\ -;; print qq(begin 644 xxx\n); -;; my $s = q(); -;; my $res = q(); -;; while (read(STDIN, $s, 45)) { -;; print pack(q(u), $s); -;; } -;; print qq(`\n); -;; print qq(end\n); -;; '" -;; "Perl program to use for encoding a file. -;; Escape sequence %s is replaced with name of Perl binary.") - -;; (defvar tramp-perl-decode "%s -ne ' -;; print unpack q(u), $_; -;; '" -;; "Perl program to use for decoding a file. -;; Escape sequence %s is replaced with name of Perl binary.") - -;; These two use base64 encoding. -(defconst tramp-perl-encode-with-module - "%s -MMIME::Base64 -0777 -ne 'print encode_base64($_)' 2>/dev/null" - "Perl program to use for encoding a file. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled. -This implementation requires the MIME::Base64 Perl module to be installed -on the remote host.") - -(defconst tramp-perl-decode-with-module - "%s -MMIME::Base64 -0777 -ne 'print decode_base64($_)' 2>/dev/null" - "Perl program to use for decoding a file. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled. -This implementation requires the MIME::Base64 Perl module to be installed -on the remote host.") - -(defconst tramp-perl-encode - "%s -e ' -# This script contributed by Juanma Barranquero <lektu@terra.es>. -# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 -# Free Software Foundation, Inc. -use strict; - -my %%trans = do { - my $i = 0; - map {(substr(unpack(q(B8), chr $i++), 2, 6), $_)} - split //, q(ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/); -}; - -binmode(\\*STDIN); - -# We read in chunks of 54 bytes, to generate output lines -# of 72 chars (plus end of line) -$/ = \\54; - -while (my $data = <STDIN>) { - my $pad = q(); - - # Only for the last chunk, and only if did not fill the last three-byte packet - if (eof) { - my $mod = length($data) %% 3; - $pad = q(=) x (3 - $mod) if $mod; - } - - # Not the fastest method, but it is simple: unpack to binary string, split - # by groups of 6 bits and convert back from binary to byte; then map into - # the translation table - print - join q(), - map($trans{$_}, - (substr(unpack(q(B*), $data) . q(00000), 0, 432) =~ /....../g)), - $pad, - qq(\\n); -}' 2>/dev/null" - "Perl program to use for encoding a file. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled.") - -(defconst tramp-perl-decode - "%s -e ' -# This script contributed by Juanma Barranquero <lektu@terra.es>. -# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 -# Free Software Foundation, Inc. -use strict; - -my %%trans = do { - my $i = 0; - map {($_, substr(unpack(q(B8), chr $i++), 2, 6))} - split //, q(ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/) -}; - -my %%bytes = map {(unpack(q(B8), chr $_), chr $_)} 0 .. 255; - -binmode(\\*STDOUT); - -# We are going to accumulate into $pending to accept any line length -# (we do not check they are <= 76 chars as the RFC says) -my $pending = q(); - -while (my $data = <STDIN>) { - chomp $data; - - # If we find one or two =, we have reached the end and - # any following data is to be discarded - my $finished = $data =~ s/(==?).*/$1/; - $pending .= $data; - - my $len = length($pending); - my $chunk = substr($pending, 0, $len & ~3); - $pending = substr($pending, $len & ~3 + 1); - - # Easy method: translate from chars to (pregenerated) six-bit packets, join, - # split in 8-bit chunks and convert back to char. - print join q(), - map $bytes{$_}, - ((join q(), map {$trans{$_} || q()} split //, $chunk) =~ /......../g); - - last if $finished; -}' 2>/dev/null" - "Perl program to use for decoding a file. -Escape sequence %s is replaced with name of Perl binary. -This string is passed to `format', so percent characters need to be doubled.") - -(defconst tramp-vc-registered-read-file-names - "echo \"(\" -while read file; do - if %s \"$file\"; then - echo \"(\\\"$file\\\" \\\"file-exists-p\\\" t)\" - else - echo \"(\\\"$file\\\" \\\"file-exists-p\\\" nil)\" - fi - if %s \"$file\"; then - echo \"(\\\"$file\\\" \\\"file-readable-p\\\" t)\" - else - echo \"(\\\"$file\\\" \\\"file-readable-p\\\" nil)\" - fi -done -echo \")\"" - "Script to check existence of VC related files. -It must be send formatted with two strings; the tests for file -existence, and file readability. Input shall be read via -here-document, otherwise the command could exceed maximum length -of command line.") - -(defconst tramp-file-mode-type-map - '((0 . "-") ; Normal file (SVID-v2 and XPG2) - (1 . "p") ; fifo - (2 . "c") ; character device - (3 . "m") ; multiplexed character device (v7) - (4 . "d") ; directory - (5 . "?") ; Named special file (XENIX) - (6 . "b") ; block device - (7 . "?") ; multiplexed block device (v7) - (8 . "-") ; regular file - (9 . "n") ; network special file (HP-UX) - (10 . "l") ; symlink - (11 . "?") ; ACL shadow inode (Solaris, not userspace) - (12 . "s") ; socket - (13 . "D") ; door special (Solaris) - (14 . "w")) ; whiteout (BSD) - "A list of file types returned from the `stat' system call. -This is used to map a mode number to a permission string.") - -;; New handlers should be added here. The following operations can be -;; handled using the normal primitives: file-name-sans-versions, -;; get-file-buffer. -(defconst tramp-file-name-handler-alist - '((load . tramp-handle-load) - (make-symbolic-link . tramp-handle-make-symbolic-link) - (file-name-as-directory . tramp-handle-file-name-as-directory) - (file-name-directory . tramp-handle-file-name-directory) - (file-name-nondirectory . tramp-handle-file-name-nondirectory) - (file-truename . tramp-handle-file-truename) - (file-exists-p . tramp-handle-file-exists-p) - (file-directory-p . tramp-handle-file-directory-p) - (file-executable-p . tramp-handle-file-executable-p) - (file-readable-p . tramp-handle-file-readable-p) - (file-regular-p . tramp-handle-file-regular-p) - (file-symlink-p . tramp-handle-file-symlink-p) - (file-writable-p . tramp-handle-file-writable-p) - (file-ownership-preserved-p . tramp-handle-file-ownership-preserved-p) - (file-newer-than-file-p . tramp-handle-file-newer-than-file-p) - (file-attributes . tramp-handle-file-attributes) - (file-modes . tramp-handle-file-modes) - (directory-files . tramp-handle-directory-files) - (directory-files-and-attributes . tramp-handle-directory-files-and-attributes) - (file-name-all-completions . tramp-handle-file-name-all-completions) - (file-name-completion . tramp-handle-file-name-completion) - (add-name-to-file . tramp-handle-add-name-to-file) - (copy-file . tramp-handle-copy-file) - (copy-directory . tramp-handle-copy-directory) - (rename-file . tramp-handle-rename-file) - (set-file-modes . tramp-handle-set-file-modes) - (set-file-times . tramp-handle-set-file-times) - (make-directory . tramp-handle-make-directory) - (delete-directory . tramp-handle-delete-directory) - (delete-file . tramp-handle-delete-file) - (directory-file-name . tramp-handle-directory-file-name) - ;; `executable-find' is not official yet. - (executable-find . tramp-handle-executable-find) - (start-file-process . tramp-handle-start-file-process) - (process-file . tramp-handle-process-file) - (shell-command . tramp-handle-shell-command) - (insert-directory . tramp-handle-insert-directory) - (expand-file-name . tramp-handle-expand-file-name) - (substitute-in-file-name . tramp-handle-substitute-in-file-name) - (file-local-copy . tramp-handle-file-local-copy) - (file-remote-p . tramp-handle-file-remote-p) - (insert-file-contents . tramp-handle-insert-file-contents) - (insert-file-contents-literally - . tramp-handle-insert-file-contents-literally) - (write-region . tramp-handle-write-region) - (find-backup-file-name . tramp-handle-find-backup-file-name) - (make-auto-save-file-name . tramp-handle-make-auto-save-file-name) - (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory) - (dired-compress-file . tramp-handle-dired-compress-file) - (dired-recursive-delete-directory - . tramp-handle-dired-recursive-delete-directory) - (dired-uncache . tramp-handle-dired-uncache) - (set-visited-file-modtime . tramp-handle-set-visited-file-modtime) - (verify-visited-file-modtime . tramp-handle-verify-visited-file-modtime) - (file-selinux-context . tramp-handle-file-selinux-context) - (set-file-selinux-context . tramp-handle-set-file-selinux-context) - (vc-registered . tramp-handle-vc-registered)) - "Alist of handler functions. -Operations not mentioned here will be handled by the normal Emacs functions.") - -;; Handlers for partial Tramp file names. For Emacs just -;; `file-name-all-completions' is needed. ;;;###autoload (defconst tramp-completion-file-name-handler-alist '((file-name-all-completions . tramp-completion-handle-file-name-all-completions) (file-name-completion . tramp-completion-handle-file-name-completion)) "Alist of completion handler functions. -Used for file names matching `tramp-file-name-regexp'. Operations not -mentioned here will be handled by `tramp-file-name-handler-alist' or the -normal Emacs functions.") +Used for file names matching `tramp-file-name-regexp'. Operations +not mentioned here will be handled by Tramp's file name handler +functions, or the normal Emacs functions.") ;; Handlers for foreign methods, like FTP or SMB, shall be plugged here. ;;;###tramp-autoload -(defvar tramp-foreign-file-name-handler-alist - ;; (identity . tramp-sh-file-name-handler) should always be the last - ;; entry, because `identity' always matches. - '((identity . tramp-sh-file-name-handler)) +(defvar tramp-foreign-file-name-handler-alist nil "Alist of elements (FUNCTION . HANDLER) for foreign methods handled specially. If (FUNCTION FILENAME) returns non-nil, then all I/O on that file is done by calling HANDLER.") @@ -2150,10 +1132,6 @@ values." (user (match-string (nth 2 tramp-file-name-structure) name)) (host (match-string (nth 3 tramp-file-name-structure) name)) (localname (match-string (nth 4 tramp-file-name-structure) name))) - (when (member method '("multi" "multiu")) - (error - "`%s' method is no longer supported, see (info \"(tramp)Multi-hops\")" - method)) (when host (when (string-match tramp-prefix-ipv6-regexp host) (setq host (replace-match "" nil t host))) @@ -2205,7 +1183,8 @@ necessary only. This function will be used in file name completion." (when (not (zerop (length host))) (concat (if (string-match tramp-ipv6-regexp host) - (concat tramp-prefix-ipv6-format host tramp-postfix-ipv6-format) + (concat + tramp-prefix-ipv6-format host tramp-postfix-ipv6-format) host) tramp-postfix-host-format)) (when localname localname))) @@ -2251,7 +1230,15 @@ from the default one." (format "*debug tramp/%s %s*" method host)))) (defconst tramp-debug-outline-regexp - "[0-9]+:[0-9]+:[0-9]+\\.[0-9]+ [a-z0-9-]+ (\\([0-9]+\\)) #") + "[0-9]+:[0-9]+:[0-9]+\\.[0-9]+ [a-z0-9-]+ (\\([0-9]+\\)) #" + "Used for highlighting Tramp debug buffers in `outline-mode'.") + +(defun tramp-debug-outline-level () + "Return the depth to which a statement is nested in the outline. +Point must be at the beginning of a header line. + +The outline level is equal to the verbosity of the Tramp message." + (1+ (string-to-number (match-string 1)))) (defun tramp-get-debug-buffer (vec) "Get the debug buffer for VEC." @@ -2268,16 +1255,9 @@ from the default one." (outline-regexp tramp-debug-outline-regexp)) (outline-mode)) (set (make-local-variable 'outline-regexp) tramp-debug-outline-regexp) - (set (make-local-variable 'outline-level) 'tramp-outline-level)) + (set (make-local-variable 'outline-level) 'tramp-debug-outline-level)) (current-buffer))) -(defun tramp-outline-level () - "Return the depth to which a statement is nested in the outline. -Point must be at the beginning of a header line. - -The outline level is equal to the verbosity of the Tramp message." - (1+ (string-to-number (match-string 1)))) - (defsubst tramp-debug-message (vec fmt-string &rest args) "Append message to debug buffer. Message is formatted with FMT-STRING as control string and the remaining @@ -2344,36 +1324,34 @@ is greater than or equal 4. Calls functions `message' and `tramp-debug-message' with FMT-STRING as control string and the remaining ARGS to actually emit the message (if applicable)." - (condition-case nil - (when (<= level tramp-verbose) - ;; Match data must be preserved! - (save-match-data - ;; Display only when there is a minimum level. - (when (and tramp-message-show-message (<= level 3)) - (apply 'message - (concat - (cond - ((= level 0) "") - ((= level 1) "") - ((= level 2) "Warning: ") - (t "Tramp: ")) - fmt-string) - args)) - ;; Log only when there is a minimum level. - (when (>= tramp-verbose 4) - (when (and vec-or-proc - (processp vec-or-proc) - (buffer-name (process-buffer vec-or-proc))) - (with-current-buffer (process-buffer vec-or-proc) - ;; Translate proc to vec. - (setq vec-or-proc (tramp-dissect-file-name default-directory)))) - (when (and vec-or-proc (vectorp vec-or-proc)) - (apply 'tramp-debug-message - vec-or-proc - (concat (format "(%d) # " level) fmt-string) - args))))) - ;; Suppress all errors. - (error nil))) + (ignore-errors + (when (<= level tramp-verbose) + ;; Match data must be preserved! + (save-match-data + ;; Display only when there is a minimum level. + (when (and tramp-message-show-message (<= level 3)) + (apply 'message + (concat + (cond + ((= level 0) "") + ((= level 1) "") + ((= level 2) "Warning: ") + (t "Tramp: ")) + fmt-string) + args)) + ;; Log only when there is a minimum level. + (when (>= tramp-verbose 4) + (when (and vec-or-proc + (processp vec-or-proc) + (buffer-name (process-buffer vec-or-proc))) + (with-current-buffer (process-buffer vec-or-proc) + ;; Translate proc to vec. + (setq vec-or-proc (tramp-dissect-file-name default-directory)))) + (when (and vec-or-proc (vectorp vec-or-proc)) + (apply 'tramp-debug-message + vec-or-proc + (concat (format "(%d) # " level) fmt-string) + args))))))) (defsubst tramp-error (vec-or-proc signal fmt-string &rest args) "Emit an error. @@ -2455,11 +1433,10 @@ progress reporter." (when (and tramp-message-show-message ;; Display only when there is a minimum level. (<= ,level (min tramp-verbose 3))) - (condition-case nil - (setq pr (tramp-compat-funcall 'make-progress-reporter ,message) - tm (when pr - (run-at-time 3 0.1 'tramp-progress-reporter-update pr))) - (error nil))) + (ignore-errors + (setq pr (tramp-compat-funcall 'make-progress-reporter ,message) + tm (when pr + (run-at-time 3 0.1 'tramp-progress-reporter-update pr))))) (unwind-protect ;; Execute the body. Unset `tramp-message-show-message' when ;; the timer object is created, in order to suppress @@ -2490,34 +1467,6 @@ letter into the file name. This function removes it." (defalias 'tramp-drop-volume-letter 'identity))) -(defsubst tramp-make-tramp-temp-file (vec) - "Create a temporary file on the remote host identified by VEC. -Return the local name of the temporary file." - (let ((prefix - (tramp-make-tramp-file-name - (tramp-file-name-method vec) - (tramp-file-name-user vec) - (tramp-file-name-host vec) - (tramp-drop-volume-letter - (expand-file-name - tramp-temp-name-prefix (tramp-get-remote-tmpdir vec))))) - result) - (while (not result) - ;; `make-temp-file' would be the natural choice for - ;; implementation. But it calls `write-region' internally, - ;; which also needs a temporary file - we would end in an - ;; infinite loop. - (setq result (make-temp-name prefix)) - (if (file-exists-p result) - (setq result nil) - ;; This creates the file by side effect. - (set-file-times result) - (set-file-modes result (tramp-compat-octal-to-decimal "0700")))) - - ;; Return the local part. - (with-parsed-tramp-file-name result nil localname))) - - ;;; Config Manipulation Functions: (defun tramp-set-completion-function (method function-list) @@ -2640,279 +1589,6 @@ been set up by `rfn-eshadow-setup-minibuffer'." (remove-hook 'rfn-eshadow-update-overlay-hook 'tramp-rfn-eshadow-update-overlay)))) - -;;; Integration of eshell.el: - -(eval-when-compile - (defvar eshell-path-env)) - -;; eshell.el keeps the path in `eshell-path-env'. We must change it -;; when `default-directory' points to another host. -(defun tramp-eshell-directory-change () - "Set `eshell-path-env' to $PATH of the host related to `default-directory'." - (setq eshell-path-env - (if (file-remote-p default-directory) - (with-parsed-tramp-file-name default-directory nil - (mapconcat - 'identity - (tramp-get-remote-path v) - ":")) - (getenv "PATH")))) - -(eval-after-load "esh-util" - '(progn - (tramp-eshell-directory-change) - (add-hook 'eshell-directory-change-hook - 'tramp-eshell-directory-change) - (add-hook 'tramp-unload-hook - (lambda () - (remove-hook 'eshell-directory-change-hook - 'tramp-eshell-directory-change))))) - - -;;; File Name Handler Functions: - -(defun tramp-handle-make-symbolic-link - (filename linkname &optional ok-if-already-exists) - "Like `make-symbolic-link' for Tramp files. -If LINKNAME is a non-Tramp file, it is used verbatim as the target of -the symlink. If LINKNAME is a Tramp file, only the localname component is -used as the target of the symlink. - -If LINKNAME is a Tramp file and the localname component is relative, then -it is expanded first, before the localname component is taken. Note that -this can give surprising results if the user/host for the source and -target of the symlink differ." - (with-parsed-tramp-file-name linkname l - (let ((ln (tramp-get-remote-ln l)) - (cwd (tramp-run-real-handler - 'file-name-directory (list l-localname)))) - (unless ln - (tramp-error - l 'file-error - "Making a symbolic link. ln(1) does not exist on the remote host.")) - - ;; Do the 'confirm if exists' thing. - (when (file-exists-p linkname) - ;; What to do? - (if (or (null ok-if-already-exists) ; not allowed to exist - (and (numberp ok-if-already-exists) - (not (yes-or-no-p - (format - "File %s already exists; make it a link anyway? " - l-localname))))) - (tramp-error - l 'file-already-exists "File %s already exists" l-localname) - (delete-file linkname))) - - ;; If FILENAME is a Tramp name, use just the localname component. - (when (tramp-tramp-file-p filename) - (setq filename - (tramp-file-name-localname - (tramp-dissect-file-name (expand-file-name filename))))) - - (tramp-flush-file-property l (file-name-directory l-localname)) - (tramp-flush-file-property l l-localname) - - ;; Right, they are on the same host, regardless of user, method, etc. - ;; We now make the link on the remote machine. This will occur as the user - ;; that FILENAME belongs to. - (zerop - (tramp-send-command-and-check - l - (format - "cd %s && %s -sf %s %s" - (tramp-shell-quote-argument cwd) - ln - (tramp-shell-quote-argument filename) - (tramp-shell-quote-argument l-localname)) - t))))) - -(defun tramp-handle-load (file &optional noerror nomessage nosuffix must-suffix) - "Like `load' for Tramp files." - (with-parsed-tramp-file-name (expand-file-name file) nil - (unless nosuffix - (cond ((file-exists-p (concat file ".elc")) - (setq file (concat file ".elc"))) - ((file-exists-p (concat file ".el")) - (setq file (concat file ".el"))))) - (when must-suffix - ;; The first condition is always true for absolute file names. - ;; Included for safety's sake. - (unless (or (file-name-directory file) - (string-match "\\.elc?\\'" file)) - (tramp-error - v 'file-error - "File `%s' does not include a `.el' or `.elc' suffix" file))) - (unless noerror - (when (not (file-exists-p file)) - (tramp-error v 'file-error "Cannot load nonexistent file `%s'" file))) - (if (not (file-exists-p file)) - nil - (let ((tramp-message-show-message (not nomessage))) - (with-progress-reporter v 0 (format "Loading %s" file) - (let ((local-copy (file-local-copy file))) - ;; MUST-SUFFIX doesn't exist on XEmacs, so let it default to nil. - (unwind-protect - (load local-copy noerror t t) - (delete-file local-copy))))) - t))) - -;; Localname manipulation functions that grok Tramp localnames... -(defun tramp-handle-file-name-as-directory (file) - "Like `file-name-as-directory' but aware of Tramp files." - ;; `file-name-as-directory' would be sufficient except localname is - ;; the empty string. - (let ((v (tramp-dissect-file-name file t))) - ;; Run the command on the localname portion only. - (tramp-make-tramp-file-name - (tramp-file-name-method v) - (tramp-file-name-user v) - (tramp-file-name-host v) - (tramp-run-real-handler - 'file-name-as-directory (list (or (tramp-file-name-localname v) "")))))) - -(defun tramp-handle-file-name-directory (file) - "Like `file-name-directory' but aware of Tramp files." - ;; Everything except the last filename thing is the directory. We - ;; cannot apply `with-parsed-tramp-file-name', because this expands - ;; the remote file name parts. This is a problem when we are in - ;; file name completion. - (let ((v (tramp-dissect-file-name file t))) - ;; Run the command on the localname portion only. - (tramp-make-tramp-file-name - (tramp-file-name-method v) - (tramp-file-name-user v) - (tramp-file-name-host v) - (tramp-run-real-handler - 'file-name-directory (list (or (tramp-file-name-localname v) "")))))) - -(defun tramp-handle-file-name-nondirectory (file) - "Like `file-name-nondirectory' but aware of Tramp files." - (with-parsed-tramp-file-name file nil - (tramp-run-real-handler 'file-name-nondirectory (list localname)))) - -(defun tramp-handle-file-truename (filename &optional counter prev-dirs) - "Like `file-truename' for Tramp files." - (with-parsed-tramp-file-name (expand-file-name filename) nil - (with-file-property v localname "file-truename" - (let ((result nil)) ; result steps in reverse order - (tramp-message v 4 "Finding true name for `%s'" filename) - (cond - ;; Use GNU readlink --canonicalize-missing where available. - ((tramp-get-remote-readlink v) - (setq result - (tramp-send-command-and-read - v - (format "echo \"\\\"`%s --canonicalize-missing %s`\\\"\"" - (tramp-get-remote-readlink v) - (tramp-shell-quote-argument localname))))) - - ;; Use Perl implementation. - ((and (tramp-get-remote-perl v) - (tramp-get-connection-property v "perl-file-spec" nil) - (tramp-get-connection-property v "perl-cwd-realpath" nil)) - (tramp-maybe-send-script - v tramp-perl-file-truename "tramp_perl_file_truename") - (setq result - (tramp-send-command-and-read - v - (format "tramp_perl_file_truename %s" - (tramp-shell-quote-argument localname))))) - - ;; Do it yourself. We bind `directory-sep-char' here for - ;; XEmacs on Windows, which would otherwise use backslash. - (t (let* ((directory-sep-char ?/) - (steps (tramp-compat-split-string localname "/")) - (localnamedir (tramp-run-real-handler - 'file-name-as-directory (list localname))) - (is-dir (string= localname localnamedir)) - (thisstep nil) - (numchase 0) - ;; Don't make the following value larger than - ;; necessary. People expect an error message in a - ;; timely fashion when something is wrong; - ;; otherwise they might think that Emacs is hung. - ;; Of course, correctness has to come first. - (numchase-limit 20) - symlink-target) - (while (and steps (< numchase numchase-limit)) - (setq thisstep (pop steps)) - (tramp-message - v 5 "Check %s" - (mapconcat 'identity - (append '("") (reverse result) (list thisstep)) - "/")) - (setq symlink-target - (nth 0 (file-attributes - (tramp-make-tramp-file-name - method user host - (mapconcat 'identity - (append '("") - (reverse result) - (list thisstep)) - "/"))))) - (cond ((string= "." thisstep) - (tramp-message v 5 "Ignoring step `.'")) - ((string= ".." thisstep) - (tramp-message v 5 "Processing step `..'") - (pop result)) - ((stringp symlink-target) - ;; It's a symlink, follow it. - (tramp-message v 5 "Follow symlink to %s" symlink-target) - (setq numchase (1+ numchase)) - (when (file-name-absolute-p symlink-target) - (setq result nil)) - ;; If the symlink was absolute, we'll get a string like - ;; "/user@host:/some/target"; extract the - ;; "/some/target" part from it. - (when (tramp-tramp-file-p symlink-target) - (unless (tramp-equal-remote filename symlink-target) - (tramp-error - v 'file-error - "Symlink target `%s' on wrong host" symlink-target)) - (setq symlink-target localname)) - (setq steps - (append (tramp-compat-split-string - symlink-target "/") - steps))) - (t - ;; It's a file. - (setq result (cons thisstep result))))) - (when (>= numchase numchase-limit) - (tramp-error - v 'file-error - "Maximum number (%d) of symlinks exceeded" numchase-limit)) - (setq result (reverse result)) - ;; Combine list to form string. - (setq result - (if result - (mapconcat 'identity (cons "" result) "/") - "/")) - (when (and is-dir (or (string= "" result) - (not (string= (substring result -1) "/")))) - (setq result (concat result "/")))))) - - (tramp-message v 4 "True name of `%s' is `%s'" filename result) - (tramp-make-tramp-file-name method user host result))))) - -;; Basic functions. - -(defun tramp-handle-file-exists-p (filename) - "Like `file-exists-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-exists-p" - (or (not (null (tramp-get-file-property - v localname "file-attributes-integer" nil))) - (not (null (tramp-get-file-property - v localname "file-attributes-string" nil))) - (zerop (tramp-send-command-and-check - v - (format - "%s %s" - (tramp-get-file-exists-command v) - (tramp-shell-quote-argument localname)))))))) - ;; Inodes don't exist for some file systems. Therefore we must ;; generate virtual ones. Used in `find-buffer-visiting'. The method ;; applied might be not so efficient (Ange-FTP uses hashes). But @@ -2929,428 +1605,6 @@ target of the symlink differ." (defvar tramp-devices nil "Keeps virtual device numbers.") -;; CCC: This should check for an error condition and signal failure -;; when something goes wrong. -;; Daniel Pittman <daniel@danann.net> -(defun tramp-handle-file-attributes (filename &optional id-format) - "Like `file-attributes' for Tramp files." - (unless id-format (setq id-format 'integer)) - ;; Don't modify `last-coding-system-used' by accident. - (let ((last-coding-system-used last-coding-system-used)) - (with-parsed-tramp-file-name (expand-file-name filename) nil - (with-file-property v localname (format "file-attributes-%s" id-format) - (save-excursion - (tramp-convert-file-attributes - v - (cond - ((tramp-get-remote-stat v) - (tramp-do-file-attributes-with-stat v localname id-format)) - ((tramp-get-remote-perl v) - (tramp-do-file-attributes-with-perl v localname id-format)) - (t - (tramp-do-file-attributes-with-ls v localname id-format))))))))) - -(defun tramp-do-file-attributes-with-ls (vec localname &optional id-format) - "Implement `file-attributes' for Tramp files using the ls(1) command." - (let (symlinkp dirp - res-inode res-filemodes res-numlinks - res-uid res-gid res-size res-symlink-target) - (tramp-message vec 5 "file attributes with ls: %s" localname) - (tramp-send-command - vec - (format "(%s %s || %s -h %s) && %s %s %s" - (tramp-get-file-exists-command vec) - (tramp-shell-quote-argument localname) - (tramp-get-test-command vec) - (tramp-shell-quote-argument localname) - (tramp-get-ls-command vec) - (if (eq id-format 'integer) "-ildn" "-ild") - (tramp-shell-quote-argument localname))) - ;; parse `ls -l' output ... - (with-current-buffer (tramp-get-buffer vec) - (when (> (buffer-size) 0) - (goto-char (point-min)) - ;; ... inode - (setq res-inode - (condition-case err - (read (current-buffer)) - (invalid-read-syntax - (when (and (equal (cadr err) - "Integer constant overflow in reader") - (string-match - "^[0-9]+\\([0-9][0-9][0-9][0-9][0-9]\\)\\'" - (car (cddr err)))) - (let* ((big (read (substring (car (cddr err)) 0 - (match-beginning 1)))) - (small (read (match-string 1 (car (cddr err))))) - (twiddle (/ small 65536))) - (cons (+ big twiddle) - (- small (* twiddle 65536)))))))) - ;; ... file mode flags - (setq res-filemodes (symbol-name (read (current-buffer)))) - ;; ... number links - (setq res-numlinks (read (current-buffer))) - ;; ... uid and gid - (setq res-uid (read (current-buffer))) - (setq res-gid (read (current-buffer))) - (if (eq id-format 'integer) - (progn - (unless (numberp res-uid) (setq res-uid -1)) - (unless (numberp res-gid) (setq res-gid -1))) - (progn - (unless (stringp res-uid) (setq res-uid (symbol-name res-uid))) - (unless (stringp res-gid) (setq res-gid (symbol-name res-gid))))) - ;; ... size - (setq res-size (read (current-buffer))) - ;; From the file modes, figure out other stuff. - (setq symlinkp (eq ?l (aref res-filemodes 0))) - (setq dirp (eq ?d (aref res-filemodes 0))) - ;; if symlink, find out file name pointed to - (when symlinkp - (search-forward "-> ") - (setq res-symlink-target - (buffer-substring (point) (tramp-compat-line-end-position)))) - ;; return data gathered - (list - ;; 0. t for directory, string (name linked to) for symbolic - ;; link, or nil. - (or dirp res-symlink-target) - ;; 1. Number of links to file. - res-numlinks - ;; 2. File uid. - res-uid - ;; 3. File gid. - res-gid - ;; 4. Last access time, as a list of two integers. First - ;; integer has high-order 16 bits of time, second has low 16 - ;; bits. - ;; 5. Last modification time, likewise. - ;; 6. Last status change time, likewise. - '(0 0) '(0 0) '(0 0) ;CCC how to find out? - ;; 7. Size in bytes (-1, if number is out of range). - res-size - ;; 8. File modes, as a string of ten letters or dashes as in ls -l. - res-filemodes - ;; 9. t if file's gid would change if file were deleted and - ;; recreated. Will be set in `tramp-convert-file-attributes' - t - ;; 10. inode number. - res-inode - ;; 11. Device number. Will be replaced by a virtual device number. - -1 - ))))) - -(defun tramp-do-file-attributes-with-perl - (vec localname &optional id-format) - "Implement `file-attributes' for Tramp files using a Perl script." - (tramp-message vec 5 "file attributes with perl: %s" localname) - (tramp-maybe-send-script - vec tramp-perl-file-attributes "tramp_perl_file_attributes") - (tramp-send-command-and-read - vec - (format "tramp_perl_file_attributes %s %s" - (tramp-shell-quote-argument localname) id-format))) - -(defun tramp-do-file-attributes-with-stat - (vec localname &optional id-format) - "Implement `file-attributes' for Tramp files using stat(1) command." - (tramp-message vec 5 "file attributes with stat: %s" localname) - (tramp-send-command-and-read - vec - (format - ;; On Opsware, pdksh (which is the true name of ksh there) doesn't - ;; parse correctly the sequence "((". Therefore, we add a space. - "( (%s %s || %s -h %s) && %s -c '( (\"%%N\") %%h %s %s %%X.0 %%Y.0 %%Z.0 %%s.0 \"%%A\" t %%i.0 -1)' %s || echo nil)" - (tramp-get-file-exists-command vec) - (tramp-shell-quote-argument localname) - (tramp-get-test-command vec) - (tramp-shell-quote-argument localname) - (tramp-get-remote-stat vec) - (if (eq id-format 'integer) "%u" "\"%U\"") - (if (eq id-format 'integer) "%g" "\"%G\"") - (tramp-shell-quote-argument localname)))) - -(defun tramp-handle-set-visited-file-modtime (&optional time-list) - "Like `set-visited-file-modtime' for Tramp files." - (unless (buffer-file-name) - (error "Can't set-visited-file-modtime: buffer `%s' not visiting a file" - (buffer-name))) - (if time-list - (tramp-run-real-handler 'set-visited-file-modtime (list time-list)) - (let ((f (buffer-file-name)) - coding-system-used) - (with-parsed-tramp-file-name f nil - (let* ((attr (file-attributes f)) - ;; '(-1 65535) means file doesn't exists yet. - (modtime (or (nth 5 attr) '(-1 65535)))) - (when (boundp 'last-coding-system-used) - (setq coding-system-used (symbol-value 'last-coding-system-used))) - ;; We use '(0 0) as a don't-know value. See also - ;; `tramp-do-file-attributes-with-ls'. - (if (not (equal modtime '(0 0))) - (tramp-run-real-handler 'set-visited-file-modtime (list modtime)) - (progn - (tramp-send-command - v - (format "%s -ild %s" - (tramp-get-ls-command v) - (tramp-shell-quote-argument localname))) - (setq attr (buffer-substring (point) - (progn (end-of-line) (point))))) - (tramp-set-file-property - v localname "visited-file-modtime-ild" attr)) - (when (boundp 'last-coding-system-used) - (set 'last-coding-system-used coding-system-used)) - nil))))) - -;; This function makes the same assumption as -;; `tramp-handle-set-visited-file-modtime'. -(defun tramp-handle-verify-visited-file-modtime (buf) - "Like `verify-visited-file-modtime' for Tramp files. -At the time `verify-visited-file-modtime' calls this function, we -already know that the buffer is visiting a file and that -`visited-file-modtime' does not return 0. Do not call this -function directly, unless those two cases are already taken care -of." - (with-current-buffer buf - (let ((f (buffer-file-name))) - ;; There is no file visiting the buffer, or the buffer has no - ;; recorded last modification time, or there is no established - ;; connection. - (if (or (not f) - (eq (visited-file-modtime) 0) - (not (tramp-file-name-handler 'file-remote-p f nil 'connected))) - t - (with-parsed-tramp-file-name f nil - (tramp-flush-file-property v localname) - (let* ((attr (file-attributes f)) - (modtime (nth 5 attr)) - (mt (visited-file-modtime))) - - (cond - ;; File exists, and has a known modtime. - ((and attr (not (equal modtime '(0 0)))) - (< (abs (tramp-time-diff - modtime - ;; For compatibility, deal with both the old - ;; (HIGH . LOW) and the new (HIGH LOW) return - ;; values of `visited-file-modtime'. - (if (atom (cdr mt)) - (list (car mt) (cdr mt)) - mt))) - 2)) - ;; Modtime has the don't know value. - (attr - (tramp-send-command - v - (format "%s -ild %s" - (tramp-get-ls-command v) - (tramp-shell-quote-argument localname))) - (with-current-buffer (tramp-get-buffer v) - (setq attr (buffer-substring - (point) (progn (end-of-line) (point))))) - (equal - attr - (tramp-get-file-property - v localname "visited-file-modtime-ild" ""))) - ;; If file does not exist, say it is not modified if and - ;; only if that agrees with the buffer's record. - (t (equal mt '(-1 65535)))))))))) - -(defun tramp-handle-set-file-modes (filename mode) - "Like `set-file-modes' for Tramp files." - (with-parsed-tramp-file-name filename nil - (tramp-flush-file-property v localname) - (unless (zerop (tramp-send-command-and-check - v - (format "chmod %s %s" - (tramp-compat-decimal-to-octal mode) - (tramp-shell-quote-argument localname)))) - ;; FIXME: extract the proper text from chmod's stderr. - (tramp-error - v 'file-error "Error while changing file's mode %s" filename)))) - -(defun tramp-handle-set-file-times (filename &optional time) - "Like `set-file-times' for Tramp files." - (zerop - (if (file-remote-p filename) - (with-parsed-tramp-file-name filename nil - (tramp-flush-file-property v localname) - (let ((time (if (or (null time) (equal time '(0 0))) - (current-time) - time)) - ;; With GNU Emacs, `format-time-string' has an optional - ;; parameter UNIVERSAL. This is preferred, because we - ;; could handle the case when the remote host is - ;; located in a different time zone as the local host. - (utc (not (featurep 'xemacs)))) - (tramp-send-command-and-check - v (format "%s touch -t %s %s" - (if utc "TZ=UTC; export TZ;" "") - (if utc - (format-time-string "%Y%m%d%H%M.%S" time t) - (format-time-string "%Y%m%d%H%M.%S" time)) - (tramp-shell-quote-argument localname))))) - - ;; We handle also the local part, because in older Emacsen, - ;; without `set-file-times', this function is an alias for this. - ;; We are local, so we don't need the UTC settings. - (tramp-compat-call-process - "touch" nil nil nil "-t" - (format-time-string "%Y%m%d%H%M.%S" time) - (tramp-shell-quote-argument filename))))) - -(defun tramp-set-file-uid-gid (filename &optional uid gid) - "Set the ownership for FILENAME. -If UID and GID are provided, these values are used; otherwise uid -and gid of the corresponding user is taken. Both parameters must be integers." - ;; Modern Unices allow chown only for root. So we might need - ;; another implementation, see `dired-do-chown'. OTOH, it is mostly - ;; working with su(do)? when it is needed, so it shall succeed in - ;; the majority of cases. - ;; Don't modify `last-coding-system-used' by accident. - (let ((last-coding-system-used last-coding-system-used)) - (if (file-remote-p filename) - (with-parsed-tramp-file-name filename nil - (if (and (zerop (user-uid)) (tramp-local-host-p v)) - ;; If we are root on the local host, we can do it directly. - (tramp-set-file-uid-gid localname uid gid) - (let ((uid (or (and (integerp uid) uid) - (tramp-get-remote-uid v 'integer))) - (gid (or (and (integerp gid) gid) - (tramp-get-remote-gid v 'integer)))) - (tramp-send-command - v (format - "chown %d:%d %s" uid gid - (tramp-shell-quote-argument localname)))))) - - ;; We handle also the local part, because there doesn't exist - ;; `set-file-uid-gid'. On W32 "chown" might not work. - (let ((uid (or (and (integerp uid) uid) (tramp-get-local-uid 'integer))) - (gid (or (and (integerp gid) gid) (tramp-get-local-gid 'integer)))) - (tramp-compat-call-process - "chown" nil nil nil - (format "%d:%d" uid gid) (tramp-shell-quote-argument filename)))))) - -(defun tramp-remote-selinux-p (vec) - "Check, whether SELINUX is enabled on the remote host." - (with-connection-property (tramp-get-connection-process vec) "selinux-p" - (let ((result (tramp-find-executable - vec "getenforce" (tramp-get-remote-path vec) t t))) - (and result - (string-equal - (tramp-send-command-and-read - vec (format "echo \\\"`%S`\\\"" result)) - "Enforcing"))))) - -(defun tramp-handle-file-selinux-context (filename) - "Like `file-selinux-context' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-selinux-context" - (let ((context '(nil nil nil nil)) - (regexp (concat "\\([a-z0-9_]+\\):" "\\([a-z0-9_]+\\):" - "\\([a-z0-9_]+\\):" "\\([a-z0-9_]+\\)"))) - (when (and (tramp-remote-selinux-p v) - (zerop (tramp-send-command-and-check - v (format - "%s -d -Z %s" - (tramp-get-ls-command v) - (tramp-shell-quote-argument localname))))) - (with-current-buffer (tramp-get-connection-buffer v) - (goto-char (point-min)) - (when (re-search-forward regexp (tramp-compat-line-end-position) t) - (setq context (list (match-string 1) (match-string 2) - (match-string 3) (match-string 4)))))) - ;; Return the context. - context)))) - -(defun tramp-handle-set-file-selinux-context (filename context) - "Like `set-file-selinux-context' for Tramp files." - (with-parsed-tramp-file-name filename nil - (if (and (consp context) - (tramp-remote-selinux-p v) - (zerop (tramp-send-command-and-check - v (format "chcon %s %s %s %s %s" - (if (stringp (nth 0 context)) - (format "--user=%s" (nth 0 context)) "") - (if (stringp (nth 1 context)) - (format "--role=%s" (nth 1 context)) "") - (if (stringp (nth 2 context)) - (format "--type=%s" (nth 2 context)) "") - (if (stringp (nth 3 context)) - (format "--range=%s" (nth 3 context)) "") - (tramp-shell-quote-argument localname))))) - (tramp-set-file-property v localname "file-selinux-context" context) - (tramp-set-file-property v localname "file-selinux-context" 'undef))) - ;; We always return nil. - nil) - -;; Simple functions using the `test' command. - -(defun tramp-handle-file-executable-p (filename) - "Like `file-executable-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-executable-p" - ;; Examine `file-attributes' cache to see if request can be - ;; satisfied without remote operation. - (or (tramp-check-cached-permissions v ?x) - (zerop (tramp-run-test "-x" filename)))))) - -(defun tramp-handle-file-readable-p (filename) - "Like `file-readable-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-readable-p" - ;; Examine `file-attributes' cache to see if request can be - ;; satisfied without remote operation. - (or (tramp-check-cached-permissions v ?r) - (zerop (tramp-run-test "-r" filename)))))) - -;; When the remote shell is started, it looks for a shell which groks -;; tilde expansion. Here, we assume that all shells which grok tilde -;; expansion will also provide a `test' command which groks `-nt' (for -;; newer than). If this breaks, tell me about it and I'll try to do -;; something smarter about it. -(defun tramp-handle-file-newer-than-file-p (file1 file2) - "Like `file-newer-than-file-p' for Tramp files." - (cond ((not (file-exists-p file1)) - nil) - ((not (file-exists-p file2)) - t) - ;; We are sure both files exist at this point. - (t - (save-excursion - ;; We try to get the mtime of both files. If they are not - ;; equal to the "dont-know" value, then we subtract the times - ;; and obtain the result. - (let ((fa1 (file-attributes file1)) - (fa2 (file-attributes file2))) - (if (and (not (equal (nth 5 fa1) '(0 0))) - (not (equal (nth 5 fa2) '(0 0)))) - (> 0 (tramp-time-diff (nth 5 fa2) (nth 5 fa1))) - ;; If one of them is the dont-know value, then we can - ;; still try to run a shell command on the remote host. - ;; However, this only works if both files are Tramp - ;; files and both have the same method, same user, same - ;; host. - (unless (tramp-equal-remote file1 file2) - (with-parsed-tramp-file-name - (if (tramp-tramp-file-p file1) file1 file2) nil - (tramp-error - v 'file-error - "Files %s and %s must have same method, user, host" - file1 file2))) - (with-parsed-tramp-file-name file1 nil - (zerop (tramp-run-test2 - (tramp-get-test-nt-command v) file1 file2))))))))) - -;; Functions implemented using the basic functions above. - -(defun tramp-handle-file-modes (filename) - "Like `file-modes' for Tramp files." - (let ((truename (or (file-truename filename) filename))) - (when (file-exists-p truename) - (tramp-mode-string-to-int (nth 8 (file-attributes truename)))))) - (defun tramp-default-file-modes (filename) "Return file modes of FILENAME as integer. If the file modes of FILENAME cannot be determined, return the @@ -3358,1212 +1612,6 @@ value of `default-file-modes', without execute permissions." (or (file-modes filename) (logand (default-file-modes) (tramp-compat-octal-to-decimal "0666")))) -(defun tramp-handle-file-directory-p (filename) - "Like `file-directory-p' for Tramp files." - ;; Care must be taken that this function returns `t' for symlinks - ;; pointing to directories. Surely the most obvious implementation - ;; would be `test -d', but that returns false for such symlinks. - ;; CCC: Stefan Monnier says that `test -d' follows symlinks. And - ;; I now think he's right. So we could be using `test -d', couldn't - ;; we? - ;; - ;; Alternatives: `cd %s', `test -d %s' - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-directory-p" - (zerop (tramp-run-test "-d" filename))))) - -(defun tramp-handle-file-regular-p (filename) - "Like `file-regular-p' for Tramp files." - (and (file-exists-p filename) - (eq ?- (aref (nth 8 (file-attributes filename)) 0)))) - -(defun tramp-handle-file-symlink-p (filename) - "Like `file-symlink-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (let ((x (car (file-attributes filename)))) - (when (stringp x) - ;; When Tramp is running on VMS, then `file-name-absolute-p' - ;; might do weird things. - (if (file-name-absolute-p x) - (tramp-make-tramp-file-name method user host x) - x))))) - -(defun tramp-handle-file-writable-p (filename) - "Like `file-writable-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-writable-p" - (if (file-exists-p filename) - ;; Examine `file-attributes' cache to see if request can be - ;; satisfied without remote operation. - (or (tramp-check-cached-permissions v ?w) - (zerop (tramp-run-test "-w" filename))) - ;; If file doesn't exist, check if directory is writable. - (and (zerop (tramp-run-test - "-d" (file-name-directory filename))) - (zerop (tramp-run-test - "-w" (file-name-directory filename)))))))) - -(defun tramp-handle-file-ownership-preserved-p (filename) - "Like `file-ownership-preserved-p' for Tramp files." - (with-parsed-tramp-file-name filename nil - (with-file-property v localname "file-ownership-preserved-p" - (let ((attributes (file-attributes filename))) - ;; Return t if the file doesn't exist, since it's true that no - ;; information would be lost by an (attempted) delete and create. - (or (null attributes) - (= (nth 2 attributes) (tramp-get-remote-uid v 'integer))))))) - -;; Other file name ops. - -(defun tramp-handle-directory-file-name (directory) - "Like `directory-file-name' for Tramp files." - ;; If localname component of filename is "/", leave it unchanged. - ;; Otherwise, remove any trailing slash from localname component. - ;; Method, host, etc, are unchanged. Does it make sense to try - ;; to avoid parsing the filename? - (with-parsed-tramp-file-name directory nil - (if (and (not (zerop (length localname))) - (eq (aref localname (1- (length localname))) ?/) - (not (string= localname "/"))) - (substring directory 0 -1) - directory))) - -;; Directory listings. - -(defun tramp-handle-directory-files - (directory &optional full match nosort files-only) - "Like `directory-files' for Tramp files." - ;; FILES-ONLY is valid for XEmacs only. - (when (file-directory-p directory) - (setq directory (file-name-as-directory (expand-file-name directory))) - (let ((temp (nreverse (file-name-all-completions "" directory))) - result item) - - (while temp - (setq item (directory-file-name (pop temp))) - (when (and (or (null match) (string-match match item)) - (or (null files-only) - ;; Files only. - (and (equal files-only t) (file-regular-p item)) - ;; Directories only. - (file-directory-p item))) - (push (if full (concat directory item) item) - result))) - (if nosort result (sort result 'string<))))) - -(defun tramp-handle-directory-files-and-attributes - (directory &optional full match nosort id-format) - "Like `directory-files-and-attributes' for Tramp files." - (unless id-format (setq id-format 'integer)) - (when (file-directory-p directory) - (setq directory (expand-file-name directory)) - (let* ((temp - (copy-tree - (with-parsed-tramp-file-name directory nil - (with-file-property - v localname - (format "directory-files-and-attributes-%s" id-format) - (save-excursion - (mapcar - (lambda (x) - (cons (car x) - (tramp-convert-file-attributes v (cdr x)))) - (cond - ((tramp-get-remote-stat v) - (tramp-do-directory-files-and-attributes-with-stat - v localname id-format)) - ((tramp-get-remote-perl v) - (tramp-do-directory-files-and-attributes-with-perl - v localname id-format))))))))) - result item) - - (while temp - (setq item (pop temp)) - (when (or (null match) (string-match match (car item))) - (when full - (setcar item (expand-file-name (car item) directory))) - (push item result))) - - (if nosort - result - (sort result (lambda (x y) (string< (car x) (car y)))))))) - -(defun tramp-do-directory-files-and-attributes-with-perl - (vec localname &optional id-format) - "Implement `directory-files-and-attributes' for Tramp files using a Perl script." - (tramp-message vec 5 "directory-files-and-attributes with perl: %s" localname) - (tramp-maybe-send-script - vec tramp-perl-directory-files-and-attributes - "tramp_perl_directory_files_and_attributes") - (let ((object - (tramp-send-command-and-read - vec - (format "tramp_perl_directory_files_and_attributes %s %s" - (tramp-shell-quote-argument localname) id-format)))) - (when (stringp object) (tramp-error vec 'file-error object)) - object)) - -(defun tramp-do-directory-files-and-attributes-with-stat - (vec localname &optional id-format) - "Implement `directory-files-and-attributes' for Tramp files using stat(1) command." - (tramp-message vec 5 "directory-files-and-attributes with stat: %s" localname) - (tramp-send-command-and-read - vec - (format - (concat - ;; We must care about filenames with spaces, or starting with - ;; "-"; this would confuse xargs. "ls -aQ" might be a solution, - ;; but it does not work on all remote systems. Therefore, we - ;; quote the filenames via sed. - "cd %s; echo \"(\"; (%s -a | sed -e s/\\$/\\\"/g -e s/^/\\\"/g | xargs " - "%s -c '(\"%%n\" (\"%%N\") %%h %s %s %%X.0 %%Y.0 %%Z.0 %%s.0 \"%%A\" t %%i.0 -1)'); " - "echo \")\"") - (tramp-shell-quote-argument localname) - (tramp-get-ls-command vec) - (tramp-get-remote-stat vec) - (if (eq id-format 'integer) "%u" "\"%U\"") - (if (eq id-format 'integer) "%g" "\"%G\"")))) - -;; This function should return "foo/" for directories and "bar" for -;; files. -(defun tramp-handle-file-name-all-completions (filename directory) - "Like `file-name-all-completions' for Tramp files." - (unless (save-match-data (string-match "/" filename)) - (with-parsed-tramp-file-name (expand-file-name directory) nil - - (all-completions - filename - (mapcar - 'list - (or - ;; Try cache first - (and - ;; Ignore if expired - (or (not (integerp tramp-completion-reread-directory-timeout)) - (<= (tramp-time-diff - (current-time) - (tramp-get-file-property - v localname "last-completion" '(0 0 0))) - tramp-completion-reread-directory-timeout)) - - ;; Try cache entries for filename, filename with last - ;; character removed, filename with last two characters - ;; removed, ..., and finally the empty string - all - ;; concatenated to the local directory name - - ;; This is inefficient for very long filenames, pity - ;; `reduce' is not available... - (car - (apply - 'append - (mapcar - (lambda (x) - (let ((cache-hit - (tramp-get-file-property - v - (concat localname (substring filename 0 x)) - "file-name-all-completions" - nil))) - (when cache-hit (list cache-hit)))) - (tramp-compat-number-sequence (length filename) 0 -1))))) - - ;; Cache expired or no matching cache entry found so we need - ;; to perform a remote operation - (let (result) - ;; Get a list of directories and files, including reliably - ;; tagging the directories with a trailing '/'. Because I - ;; rock. --daniel@danann.net - - ;; Changed to perform `cd' in the same remote op and only - ;; get entries starting with `filename'. Capture any `cd' - ;; error messages. Ensure any `cd' and `echo' aliases are - ;; ignored. - (tramp-send-command - v - (if (tramp-get-remote-perl v) - (progn - (tramp-maybe-send-script - v tramp-perl-file-name-all-completions - "tramp_perl_file_name_all_completions") - (format "tramp_perl_file_name_all_completions %s %s %d" - (tramp-shell-quote-argument localname) - (tramp-shell-quote-argument filename) - (if (symbol-value - ;; `read-file-name-completion-ignore-case' - ;; is introduced with Emacs 22.1. - (if (boundp - 'read-file-name-completion-ignore-case) - 'read-file-name-completion-ignore-case - 'completion-ignore-case)) - 1 0))) - - (format (concat - "(\\cd %s 2>&1 && (%s %s -a 2>/dev/null" - ;; `ls' with wildcard might fail with `Argument - ;; list too long' error in some corner cases; if - ;; `ls' fails after `cd' succeeded, chances are - ;; that's the case, so let's retry without - ;; wildcard. This will return "too many" entries - ;; but that isn't harmful. - " || %s -a 2>/dev/null)" - " | while read f; do" - " if %s -d \"$f\" 2>/dev/null;" - " then \\echo \"$f/\"; else \\echo \"$f\"; fi; done" - " && \\echo ok) || \\echo fail") - (tramp-shell-quote-argument localname) - (tramp-get-ls-command v) - ;; When `filename' is empty, just `ls' without - ;; filename argument is more efficient than `ls *' - ;; for very large directories and might avoid the - ;; `Argument list too long' error. - ;; - ;; With and only with wildcard, we need to add - ;; `-d' to prevent `ls' from descending into - ;; sub-directories. - (if (zerop (length filename)) - "." - (concat (tramp-shell-quote-argument filename) "* -d")) - (tramp-get-ls-command v) - (tramp-get-test-command v)))) - - ;; Now grab the output. - (with-current-buffer (tramp-get-buffer v) - (goto-char (point-max)) - - ;; Check result code, found in last line of output - (forward-line -1) - (if (looking-at "^fail$") - (progn - ;; Grab error message from line before last line - ;; (it was put there by `cd 2>&1') - (forward-line -1) - (tramp-error - v 'file-error - "tramp-handle-file-name-all-completions: %s" - (buffer-substring - (point) (tramp-compat-line-end-position)))) - ;; For peace of mind, if buffer doesn't end in `fail' - ;; then it should end in `ok'. If neither are in the - ;; buffer something went seriously wrong on the remote - ;; side. - (unless (looking-at "^ok$") - (tramp-error - v 'file-error - "\ -tramp-handle-file-name-all-completions: internal error accessing `%s': `%s'" - (tramp-shell-quote-argument localname) (buffer-string)))) - - (while (zerop (forward-line -1)) - (push (buffer-substring - (point) (tramp-compat-line-end-position)) - result))) - - ;; Because the remote op went through OK we know the - ;; directory we `cd'-ed to exists - (tramp-set-file-property - v localname "file-exists-p" t) - - ;; Because the remote op went through OK we know every - ;; file listed by `ls' exists. - (mapc (lambda (entry) - (tramp-set-file-property - v (concat localname entry) "file-exists-p" t)) - result) - - (tramp-set-file-property - v localname "last-completion" (current-time)) - - ;; Store result in the cache - (tramp-set-file-property - v (concat localname filename) - "file-name-all-completions" - result)))))))) - -(defun tramp-handle-file-name-completion - (filename directory &optional predicate) - "Like `file-name-completion' for Tramp files." - (unless (tramp-tramp-file-p directory) - (error - "tramp-handle-file-name-completion invoked on non-tramp directory `%s'" - directory)) - (try-completion - filename - (mapcar 'list (file-name-all-completions filename directory)) - (when predicate - (lambda (x) (funcall predicate (expand-file-name (car x) directory)))))) - -;; cp, mv and ln - -(defun tramp-handle-add-name-to-file - (filename newname &optional ok-if-already-exists) - "Like `add-name-to-file' for Tramp files." - (unless (tramp-equal-remote filename newname) - (with-parsed-tramp-file-name - (if (tramp-tramp-file-p filename) filename newname) nil - (tramp-error - v 'file-error - "add-name-to-file: %s" - "only implemented for same method, same user, same host"))) - (with-parsed-tramp-file-name filename v1 - (with-parsed-tramp-file-name newname v2 - (let ((ln (when v1 (tramp-get-remote-ln v1)))) - (when (and (not ok-if-already-exists) - (file-exists-p newname) - (not (numberp ok-if-already-exists)) - (y-or-n-p - (format - "File %s already exists; make it a new name anyway? " - newname))) - (tramp-error - v2 'file-error - "add-name-to-file: file %s already exists" newname)) - (tramp-flush-file-property v2 (file-name-directory v2-localname)) - (tramp-flush-file-property v2 v2-localname) - (tramp-barf-unless-okay - v1 - (format "%s %s %s" ln (tramp-shell-quote-argument v1-localname) - (tramp-shell-quote-argument v2-localname)) - "error with add-name-to-file, see buffer `%s' for details" - (buffer-name)))))) - -(defun tramp-handle-copy-file - (filename newname &optional ok-if-already-exists keep-date - preserve-uid-gid preserve-selinux-context) - "Like `copy-file' for Tramp files." - (setq filename (expand-file-name filename)) - (setq newname (expand-file-name newname)) - (cond - ;; At least one file a Tramp file? - ((or (tramp-tramp-file-p filename) - (tramp-tramp-file-p newname)) - (tramp-do-copy-or-rename-file - 'copy filename newname ok-if-already-exists keep-date - preserve-uid-gid preserve-selinux-context)) - ;; Compat section. - (preserve-selinux-context - (tramp-run-real-handler - 'copy-file - (list filename newname ok-if-already-exists keep-date - preserve-uid-gid preserve-selinux-context))) - (preserve-uid-gid - (tramp-run-real-handler - 'copy-file - (list filename newname ok-if-already-exists keep-date preserve-uid-gid))) - (t - (tramp-run-real-handler - 'copy-file (list filename newname ok-if-already-exists keep-date))))) - -(defun tramp-handle-copy-directory (dirname newname &optional keep-date parents) - "Like `copy-directory' for Tramp files." - (let ((t1 (tramp-tramp-file-p dirname)) - (t2 (tramp-tramp-file-p newname))) - (with-parsed-tramp-file-name (if t1 dirname newname) nil - (if (and (tramp-get-method-parameter method 'tramp-copy-recursive) - ;; When DIRNAME and NEWNAME are remote, they must have - ;; the same method. - (or (null t1) (null t2) - (string-equal - (tramp-file-name-method (tramp-dissect-file-name dirname)) - (tramp-file-name-method (tramp-dissect-file-name newname))))) - ;; scp or rsync DTRT. - (progn - (setq dirname (directory-file-name (expand-file-name dirname)) - newname (directory-file-name (expand-file-name newname))) - (if (and (file-directory-p newname) - (not (string-equal (file-name-nondirectory dirname) - (file-name-nondirectory newname)))) - (setq newname - (expand-file-name - (file-name-nondirectory dirname) newname))) - (if (not (file-directory-p (file-name-directory newname))) - (make-directory (file-name-directory newname) parents)) - (tramp-do-copy-or-rename-file-out-of-band - 'copy dirname newname keep-date)) - ;; We must do it file-wise. - (tramp-run-real-handler - 'copy-directory (list dirname newname keep-date parents))) - - ;; When newname did exist, we have wrong cached values. - (when t2 - (with-parsed-tramp-file-name newname nil - (tramp-flush-file-property v (file-name-directory localname)) - (tramp-flush-file-property v localname)))))) - -(defun tramp-handle-rename-file - (filename newname &optional ok-if-already-exists) - "Like `rename-file' for Tramp files." - ;; Check if both files are local -- invoke normal rename-file. - ;; Otherwise, use Tramp from local system. - (setq filename (expand-file-name filename)) - (setq newname (expand-file-name newname)) - ;; At least one file a Tramp file? - (if (or (tramp-tramp-file-p filename) - (tramp-tramp-file-p newname)) - (tramp-do-copy-or-rename-file - 'rename filename newname ok-if-already-exists t t) - (tramp-run-real-handler - 'rename-file (list filename newname ok-if-already-exists)))) - -(defun tramp-do-copy-or-rename-file - (op filename newname &optional ok-if-already-exists keep-date - preserve-uid-gid preserve-selinux-context) - "Copy or rename a remote file. -OP must be `copy' or `rename' and indicates the operation to perform. -FILENAME specifies the file to copy or rename, NEWNAME is the name of -the new file (for copy) or the new name of the file (for rename). -OK-IF-ALREADY-EXISTS means don't barf if NEWNAME exists already. -KEEP-DATE means to make sure that NEWNAME has the same timestamp -as FILENAME. PRESERVE-UID-GID, when non-nil, instructs to keep -the uid and gid if both files are on the same host. -PRESERVE-SELINUX-CONTEXT activates selinux commands. - -This function is invoked by `tramp-handle-copy-file' and -`tramp-handle-rename-file'. It is an error if OP is neither of `copy' -and `rename'. FILENAME and NEWNAME must be absolute file names." - (unless (memq op '(copy rename)) - (error "Unknown operation `%s', must be `copy' or `rename'" op)) - (let ((t1 (tramp-tramp-file-p filename)) - (t2 (tramp-tramp-file-p newname)) - (context (and preserve-selinux-context - (apply 'file-selinux-context (list filename)))) - pr tm) - - (with-parsed-tramp-file-name (if t1 filename newname) nil - (when (and (not ok-if-already-exists) (file-exists-p newname)) - (tramp-error - v 'file-already-exists "File %s already exists" newname)) - - (with-progress-reporter - v 0 (format "%s %s to %s" - (if (eq op 'copy) "Copying" "Renaming") - filename newname) - - (cond - ;; Both are Tramp files. - ((and t1 t2) - (with-parsed-tramp-file-name filename v1 - (with-parsed-tramp-file-name newname v2 - (cond - ;; Shortcut: if method, host, user are the same for - ;; both files, we invoke `cp' or `mv' on the remote - ;; host directly. - ((tramp-equal-remote filename newname) - (tramp-do-copy-or-rename-file-directly - op filename newname - ok-if-already-exists keep-date preserve-uid-gid)) - - ;; Try out-of-band operation. - ((tramp-method-out-of-band-p - v1 (nth 7 (file-attributes filename))) - (tramp-do-copy-or-rename-file-out-of-band - op filename newname keep-date)) - - ;; No shortcut was possible. So we copy the file - ;; first. If the operation was `rename', we go back - ;; and delete the original file (if the copy was - ;; successful). The approach is simple-minded: we - ;; create a new buffer, insert the contents of the - ;; source file into it, then write out the buffer to - ;; the target file. The advantage is that it doesn't - ;; matter which filename handlers are used for the - ;; source and target file. - (t - (tramp-do-copy-or-rename-file-via-buffer - op filename newname keep-date)))))) - - ;; One file is a Tramp file, the other one is local. - ((or t1 t2) - (cond - ;; Fast track on local machine. - ((tramp-local-host-p v) - (tramp-do-copy-or-rename-file-directly - op filename newname - ok-if-already-exists keep-date preserve-uid-gid)) - - ;; If the Tramp file has an out-of-band method, the - ;; corresponding copy-program can be invoked. - ((tramp-method-out-of-band-p v (nth 7 (file-attributes filename))) - (tramp-do-copy-or-rename-file-out-of-band - op filename newname keep-date)) - - ;; Use the inline method via a Tramp buffer. - (t (tramp-do-copy-or-rename-file-via-buffer - op filename newname keep-date)))) - - (t - ;; One of them must be a Tramp file. - (error "Tramp implementation says this cannot happen"))) - - ;; Handle `preserve-selinux-context'. - (when context (apply 'set-file-selinux-context (list newname context))) - - ;; In case of `rename', we must flush the cache of the source file. - (when (and t1 (eq op 'rename)) - (with-parsed-tramp-file-name filename v1 - (tramp-flush-file-property v1 (file-name-directory localname)) - (tramp-flush-file-property v1 localname))) - - ;; When newname did exist, we have wrong cached values. - (when t2 - (with-parsed-tramp-file-name newname v2 - (tramp-flush-file-property v2 (file-name-directory localname)) - (tramp-flush-file-property v2 localname))))))) - -(defun tramp-do-copy-or-rename-file-via-buffer (op filename newname keep-date) - "Use an Emacs buffer to copy or rename a file. -First arg OP is either `copy' or `rename' and indicates the operation. -FILENAME is the source file, NEWNAME the target file. -KEEP-DATE is non-nil if NEWNAME should have the same timestamp as FILENAME." - (with-temp-buffer - ;; We must disable multibyte, because binary data shall not be - ;; converted. - (set-buffer-multibyte nil) - (let ((coding-system-for-read 'binary) - (jka-compr-inhibit t)) - (insert-file-contents-literally filename)) - ;; We don't want the target file to be compressed, so we let-bind - ;; `jka-compr-inhibit' to t. - (let ((coding-system-for-write 'binary) - (jka-compr-inhibit t)) - (write-region (point-min) (point-max) newname))) - ;; KEEP-DATE handling. - (when keep-date (set-file-times newname (nth 5 (file-attributes filename)))) - ;; Set the mode. - (set-file-modes newname (tramp-default-file-modes filename)) - ;; If the operation was `rename', delete the original file. - (unless (eq op 'copy) (delete-file filename))) - -(defun tramp-do-copy-or-rename-file-directly - (op filename newname ok-if-already-exists keep-date preserve-uid-gid) - "Invokes `cp' or `mv' on the remote system. -OP must be one of `copy' or `rename', indicating `cp' or `mv', -respectively. FILENAME specifies the file to copy or rename, -NEWNAME is the name of the new file (for copy) or the new name of -the file (for rename). Both files must reside on the same host. -KEEP-DATE means to make sure that NEWNAME has the same timestamp -as FILENAME. PRESERVE-UID-GID, when non-nil, instructs to keep -the uid and gid from FILENAME." - (let ((t1 (tramp-tramp-file-p filename)) - (t2 (tramp-tramp-file-p newname)) - (file-times (nth 5 (file-attributes filename))) - (file-modes (tramp-default-file-modes filename))) - (with-parsed-tramp-file-name (if t1 filename newname) nil - (let* ((cmd (cond ((and (eq op 'copy) preserve-uid-gid) "cp -f -p") - ((eq op 'copy) "cp -f") - ((eq op 'rename) "mv -f") - (t (tramp-error - v 'file-error - "Unknown operation `%s', must be `copy' or `rename'" - op)))) - (localname1 - (if t1 - (tramp-file-name-handler 'file-remote-p filename 'localname) - filename)) - (localname2 - (if t2 - (tramp-file-name-handler 'file-remote-p newname 'localname) - newname)) - (prefix (file-remote-p (if t1 filename newname))) - cmd-result) - - (cond - ;; Both files are on a remote host, with same user. - ((and t1 t2) - (setq cmd-result - (tramp-send-command-and-check - v - (format "%s %s %s" cmd - (tramp-shell-quote-argument localname1) - (tramp-shell-quote-argument localname2)))) - (with-current-buffer (tramp-get-buffer v) - (goto-char (point-min)) - (unless - (or - (and keep-date - ;; Mask cp -f error. - (re-search-forward - tramp-operation-not-permitted-regexp nil t)) - (zerop cmd-result)) - (tramp-error-with-buffer - nil v 'file-error - "Copying directly failed, see buffer `%s' for details." - (buffer-name))))) - - ;; We are on the local host. - ((or t1 t2) - (cond - ;; We can do it directly. - ((let (file-name-handler-alist) - (and (file-readable-p localname1) - (file-writable-p (file-name-directory localname2)) - (or (file-directory-p localname2) - (file-writable-p localname2)))) - (if (eq op 'copy) - (tramp-compat-copy-file - localname1 localname2 ok-if-already-exists - keep-date preserve-uid-gid) - (tramp-run-real-handler - 'rename-file (list localname1 localname2 ok-if-already-exists)))) - - ;; We can do it directly with `tramp-send-command' - ((and (file-readable-p (concat prefix localname1)) - (file-writable-p - (file-name-directory (concat prefix localname2))) - (or (file-directory-p (concat prefix localname2)) - (file-writable-p (concat prefix localname2)))) - (tramp-do-copy-or-rename-file-directly - op (concat prefix localname1) (concat prefix localname2) - ok-if-already-exists keep-date t) - ;; We must change the ownership to the local user. - (tramp-set-file-uid-gid - (concat prefix localname2) - (tramp-get-local-uid 'integer) - (tramp-get-local-gid 'integer))) - - ;; We need a temporary file in between. - (t - ;; Create the temporary file. - (let ((tmpfile (tramp-compat-make-temp-file localname1))) - (unwind-protect - (progn - (cond - (t1 - (or - (zerop - (tramp-send-command-and-check - v (format - "%s %s %s" cmd - (tramp-shell-quote-argument localname1) - (tramp-shell-quote-argument tmpfile)))) - (tramp-error-with-buffer - nil v 'file-error - "Copying directly failed, see buffer `%s' for details." - (tramp-get-buffer v))) - ;; We must change the ownership as remote user. - ;; Since this does not work reliable, we also - ;; give read permissions. - (set-file-modes - (concat prefix tmpfile) - (tramp-compat-octal-to-decimal "0777")) - (tramp-set-file-uid-gid - (concat prefix tmpfile) - (tramp-get-local-uid 'integer) - (tramp-get-local-gid 'integer))) - (t2 - (if (eq op 'copy) - (tramp-compat-copy-file - localname1 tmpfile t - keep-date preserve-uid-gid) - (tramp-run-real-handler - 'rename-file - (list localname1 tmpfile t))) - ;; We must change the ownership as local user. - ;; Since this does not work reliable, we also - ;; give read permissions. - (set-file-modes - tmpfile (tramp-compat-octal-to-decimal "0777")) - (tramp-set-file-uid-gid - tmpfile - (tramp-get-remote-uid v 'integer) - (tramp-get-remote-gid v 'integer)))) - - ;; Move the temporary file to its destination. - (cond - (t2 - (or - (zerop - (tramp-send-command-and-check - v (format - "cp -f -p %s %s" - (tramp-shell-quote-argument tmpfile) - (tramp-shell-quote-argument localname2)))) - (tramp-error-with-buffer - nil v 'file-error - "Copying directly failed, see buffer `%s' for details." - (tramp-get-buffer v)))) - (t1 - (tramp-run-real-handler - 'rename-file - (list tmpfile localname2 ok-if-already-exists))))) - - ;; Save exit. - (condition-case nil - (delete-file tmpfile) - (error))))))))) - - ;; Set the time and mode. Mask possible errors. - (condition-case nil - (when keep-date - (set-file-times newname file-times) - (set-file-modes newname file-modes)) - (error))))) - -(defun tramp-do-copy-or-rename-file-out-of-band (op filename newname keep-date) - "Invoke rcp program to copy. -The method used must be an out-of-band method." - (let ((t1 (tramp-tramp-file-p filename)) - (t2 (tramp-tramp-file-p newname)) - copy-program copy-args copy-env copy-keep-date port spec - source target) - - (with-parsed-tramp-file-name (if t1 filename newname) nil - (if (and t1 t2) - - ;; Both are Tramp files. We shall optimize it, when the - ;; methods for filename and newname are the same. - (let* ((dir-flag (file-directory-p filename)) - (tmpfile (tramp-compat-make-temp-file localname dir-flag))) - (if dir-flag - (setq tmpfile - (expand-file-name - (file-name-nondirectory newname) tmpfile))) - (unwind-protect - (progn - (tramp-do-copy-or-rename-file-out-of-band - op filename tmpfile keep-date) - (tramp-do-copy-or-rename-file-out-of-band - 'rename tmpfile newname keep-date)) - ;; Save exit. - (condition-case nil - (if dir-flag - (tramp-compat-delete-directory - (expand-file-name ".." tmpfile) 'recursive) - (delete-file tmpfile)) - (error)))) - - ;; Expand hops. Might be necessary for gateway methods. - (setq v (car (tramp-compute-multi-hops v))) - (aset v 3 localname) - - ;; Check which ones of source and target are Tramp files. - (setq source (if t1 (tramp-make-copy-program-file-name v) filename) - target (funcall - (if (and (file-directory-p filename) - (string-equal - (file-name-nondirectory filename) - (file-name-nondirectory newname))) - 'file-name-directory - 'identity) - (if t2 (tramp-make-copy-program-file-name v) newname))) - - ;; Check for port number. Until now, there's no need for handling - ;; like method, user, host. - (setq host (tramp-file-name-real-host v) - port (tramp-file-name-port v) - port (or (and port (number-to-string port)) "")) - - ;; Compose copy command. - (setq spec (format-spec-make - ?h host ?u user ?p port - ?t (tramp-get-connection-property - (tramp-get-connection-process v) "temp-file" "") - ?k (if keep-date " " "")) - copy-program (tramp-get-method-parameter - method 'tramp-copy-program) - copy-keep-date (tramp-get-method-parameter - method 'tramp-copy-keep-date) - copy-args - (delq - nil - (mapcar - (lambda (x) - (setq - x - ;; " " is indication for keep-date argument. - (delete " " (mapcar (lambda (y) (format-spec y spec)) x))) - (unless (member "" x) (mapconcat 'identity x " "))) - (tramp-get-method-parameter method 'tramp-copy-args))) - copy-env - (delq - nil - (mapcar - (lambda (x) - (setq x (mapcar (lambda (y) (format-spec y spec)) x)) - (unless (member "" x) (mapconcat 'identity x " "))) - (tramp-get-method-parameter method 'tramp-copy-env)))) - - ;; Check for program. - (when (and (fboundp 'executable-find) - (not (let ((default-directory - (tramp-compat-temporary-file-directory))) - (executable-find copy-program)))) - (tramp-error - v 'file-error "Cannot find copy program: %s" copy-program)) - - ;; Set variables for computing the prompt for reading - ;; password. - (setq tramp-current-method (tramp-file-name-method v) - tramp-current-user (tramp-file-name-user v) - tramp-current-host (tramp-file-name-host v)) - - (unwind-protect - (with-temp-buffer - ;; The default directory must be remote. - (let ((default-directory - (file-name-directory (if t1 filename newname))) - (process-environment (copy-sequence process-environment))) - ;; Set the transfer process properties. - (tramp-set-connection-property - v "process-name" (buffer-name (current-buffer))) - (tramp-set-connection-property - v "process-buffer" (current-buffer)) - (while copy-env - (tramp-message v 5 "%s=\"%s\"" (car copy-env) (cadr copy-env)) - (setenv (pop copy-env) (pop copy-env))) - - ;; Use an asynchronous process. By this, password can - ;; be handled. The default directory must be local, in - ;; order to apply the correct `copy-program'. We don't - ;; set a timeout, because the copying of large files can - ;; last longer than 60 secs. - (let ((p (let ((default-directory - (tramp-compat-temporary-file-directory))) - (apply 'start-process - (tramp-get-connection-property - v "process-name" nil) - (tramp-get-connection-property - v "process-buffer" nil) - copy-program - (append copy-args (list source target)))))) - (tramp-message - v 6 "%s" (mapconcat 'identity (process-command p) " ")) - (tramp-set-process-query-on-exit-flag p nil) - (tramp-process-actions p v tramp-actions-copy-out-of-band)))) - - ;; Reset the transfer process properties. - (tramp-set-connection-property v "process-name" nil) - (tramp-set-connection-property v "process-buffer" nil)) - - ;; Handle KEEP-DATE argument. - (when (and keep-date (not copy-keep-date)) - (set-file-times newname (nth 5 (file-attributes filename)))) - - ;; Set the mode. - (unless (and keep-date copy-keep-date) - (ignore-errors - (set-file-modes newname (tramp-default-file-modes filename))))) - - ;; If the operation was `rename', delete the original file. - (unless (eq op 'copy) - (if (file-regular-p filename) - (delete-file filename) - (tramp-compat-delete-directory filename 'recursive)))))) - -(defun tramp-handle-make-directory (dir &optional parents) - "Like `make-directory' for Tramp files." - (setq dir (expand-file-name dir)) - (with-parsed-tramp-file-name dir nil - (tramp-flush-directory-property v (file-name-directory localname)) - (save-excursion - (tramp-barf-unless-okay - v - (format "%s %s" - (if parents "mkdir -p" "mkdir") - (tramp-shell-quote-argument localname)) - "Couldn't make directory %s" dir)))) - -(defun tramp-handle-delete-directory (directory &optional recursive) - "Like `delete-directory' for Tramp files." - (setq directory (expand-file-name directory)) - (with-parsed-tramp-file-name directory nil - (tramp-flush-file-property v (file-name-directory localname)) - (tramp-flush-directory-property v localname) - (unless (zerop (tramp-send-command-and-check - v - (format - "%s %s" - (if recursive "rm -rf" "rmdir") - (tramp-shell-quote-argument localname)))) - (tramp-error v 'file-error "Couldn't delete %s" directory)))) - -(defun tramp-handle-delete-file (filename &optional trash) - "Like `delete-file' for Tramp files." - (setq filename (expand-file-name filename)) - (with-parsed-tramp-file-name filename nil - (tramp-flush-file-property v (file-name-directory localname)) - (tramp-flush-file-property v localname) - (unless - (zerop - (tramp-send-command-and-check - v (format "%s %s" - (or (and trash (tramp-get-remote-trash v)) "rm -f") - (tramp-shell-quote-argument localname)))) - (tramp-error v 'file-error "Couldn't delete %s" filename)))) - -;; Dired. - -;; CCC: This does not seem to be enough. Something dies when -;; we try and delete two directories under Tramp :/ -(defun tramp-handle-dired-recursive-delete-directory (filename) - "Recursively delete the directory given. -This is like `dired-recursive-delete-directory' for Tramp files." - (with-parsed-tramp-file-name filename nil - ;; Run a shell command 'rm -r <localname>' - ;; Code shamelessly stolen from the dired implementation and, um, hacked :) - (unless (file-exists-p filename) - (tramp-error v 'file-error "No such directory: %s" filename)) - ;; Which is better, -r or -R? (-r works for me <daniel@danann.net>) - (tramp-send-command - v - (format "rm -rf %s" (tramp-shell-quote-argument localname)) - ;; Don't read the output, do it explicitely. - nil t) - ;; Wait for the remote system to return to us... - ;; This might take a while, allow it plenty of time. - (tramp-wait-for-output (tramp-get-connection-process v) 120) - ;; Make sure that it worked... - (tramp-flush-file-property v (file-name-directory localname)) - (tramp-flush-directory-property v localname) - (and (file-exists-p filename) - (tramp-error - v 'file-error "Failed to recursively delete %s" filename)))) - -(defun tramp-handle-dired-compress-file (file &rest ok-flag) - "Like `dired-compress-file' for Tramp files." - ;; OK-FLAG is valid for XEmacs only, but not implemented. - ;; Code stolen mainly from dired-aux.el. - (with-parsed-tramp-file-name file nil - (tramp-flush-file-property v localname) - (save-excursion - (let ((suffixes - (if (not (featurep 'xemacs)) - ;; Emacs case - (symbol-value 'dired-compress-file-suffixes) - ;; XEmacs has `dired-compression-method-alist', which is - ;; transformed into `dired-compress-file-suffixes' structure. - (mapcar - (lambda (x) - (list (concat (regexp-quote (nth 1 x)) "\\'") - nil - (mapconcat 'identity (nth 3 x) " "))) - (symbol-value 'dired-compression-method-alist)))) - suffix) - ;; See if any suffix rule matches this file name. - (while suffixes - (let (case-fold-search) - (if (string-match (car (car suffixes)) localname) - (setq suffix (car suffixes) suffixes nil)) - (setq suffixes (cdr suffixes)))) - - (cond ((file-symlink-p file) - nil) - ((and suffix (nth 2 suffix)) - ;; We found an uncompression rule. - (with-progress-reporter v 0 (format "Uncompressing %s" file) - (when (zerop - (tramp-send-command-and-check - v (concat (nth 2 suffix) " " - (tramp-shell-quote-argument localname)))) - ;; `dired-remove-file' is not defined in XEmacs. - (tramp-compat-funcall 'dired-remove-file file) - (string-match (car suffix) file) - (concat (substring file 0 (match-beginning 0)))))) - (t - ;; We don't recognize the file as compressed, so compress it. - ;; Try gzip. - (with-progress-reporter v 0 (format "Compressing %s" file) - (when (zerop - (tramp-send-command-and-check - v (concat "gzip -f " - (tramp-shell-quote-argument localname)))) - ;; `dired-remove-file' is not defined in XEmacs. - (tramp-compat-funcall 'dired-remove-file file) - (cond ((file-exists-p (concat file ".gz")) - (concat file ".gz")) - ((file-exists-p (concat file ".z")) - (concat file ".z")) - (t nil)))))))))) - -(defun tramp-handle-dired-uncache (dir &optional dir-p) - "Like `dired-uncache' for Tramp files." - ;; DIR-P is valid for XEmacs only. - (with-parsed-tramp-file-name - (if (or dir-p (file-directory-p dir)) dir (file-name-directory dir)) nil - (tramp-flush-directory-property v localname))) - -;; Pacify byte-compiler. The function is needed on XEmacs only. I'm -;; not sure at all that this is the right way to do it, but let's hope -;; it works for now, and wait for a guru to point out the Right Way to -;; achieve this. -;;(eval-when-compile -;; (unless (fboundp 'dired-insert-set-properties) -;; (fset 'dired-insert-set-properties 'ignore))) -;; Gerd suggests this: -(eval-when-compile (require 'dired)) -;; Note that dired is required at run-time, too, when it is needed. -;; It is only needed on XEmacs for the function -;; `dired-insert-set-properties'. - -(defun tramp-handle-insert-directory - (filename switches &optional wildcard full-directory-p) - "Like `insert-directory' for Tramp files." - (setq filename (expand-file-name filename)) - (with-parsed-tramp-file-name filename nil - (if (and (featurep 'ls-lisp) - (not (symbol-value 'ls-lisp-use-insert-directory-program))) - (tramp-run-real-handler - 'insert-directory (list filename switches wildcard full-directory-p)) - (when (stringp switches) - (setq switches (split-string switches))) - (when (and (member "--dired" switches) - (not (tramp-get-ls-command-with-dired v))) - (setq switches (delete "--dired" switches))) - (when wildcard - (setq wildcard (tramp-run-real-handler - 'file-name-nondirectory (list localname))) - (setq localname (tramp-run-real-handler - 'file-name-directory (list localname)))) - (unless full-directory-p - (setq switches (add-to-list 'switches "-d" 'append))) - (setq switches (mapconcat 'tramp-shell-quote-argument switches " ")) - (when wildcard - (setq switches (concat switches " " wildcard))) - (tramp-message - v 4 "Inserting directory `ls %s %s', wildcard %s, fulldir %s" - switches filename (if wildcard "yes" "no") - (if full-directory-p "yes" "no")) - ;; If `full-directory-p', we just say `ls -l FILENAME'. - ;; Else we chdir to the parent directory, then say `ls -ld BASENAME'. - (if full-directory-p - (tramp-send-command - v - (format "%s %s %s 2>/dev/null" - (tramp-get-ls-command v) - switches - (if wildcard - localname - (tramp-shell-quote-argument (concat localname "."))))) - (tramp-barf-unless-okay - v - (format "cd %s" (tramp-shell-quote-argument - (tramp-run-real-handler - 'file-name-directory (list localname)))) - "Couldn't `cd %s'" - (tramp-shell-quote-argument - (tramp-run-real-handler 'file-name-directory (list localname)))) - (tramp-send-command - v - (format "%s %s %s" - (tramp-get-ls-command v) - switches - (if (or wildcard - (zerop (length - (tramp-run-real-handler - 'file-name-nondirectory (list localname))))) - "" - (tramp-shell-quote-argument - (tramp-run-real-handler - 'file-name-nondirectory (list localname))))))) - (let ((beg (point))) - ;; We cannot use `insert-buffer-substring' because the Tramp - ;; buffer changes its contents before insertion due to calling - ;; `expand-file' and alike. - (insert - (with-current-buffer (tramp-get-buffer v) - (buffer-string))) - - ;; Check for "--dired" output. - (forward-line -2) - (when (looking-at "//SUBDIRED//") - (forward-line -1)) - (when (looking-at "//DIRED//\\s-+") - (let ((databeg (match-end 0)) - (end (tramp-compat-line-end-position))) - ;; Now read the numeric positions of file names. - (goto-char databeg) - (while (< (point) end) - (let ((start (+ beg (read (current-buffer)))) - (end (+ beg (read (current-buffer))))) - (if (memq (char-after end) '(?\n ?\ )) - ;; End is followed by \n or by " -> ". - (put-text-property start end 'dired-filename t)))))) - ;; Remove trailing lines. - (goto-char (tramp-compat-line-beginning-position)) - (while (looking-at "//") - (forward-line 1) - (delete-region (match-beginning 0) (point))) - - ;; The inserted file could be from somewhere else. - (when (and (not wildcard) (not full-directory-p)) - (goto-char (point-max)) - (when (file-symlink-p filename) - (goto-char (search-backward "->" beg 'noerror))) - (search-backward - (if (zerop (length (file-name-nondirectory filename))) - "." - (file-name-nondirectory filename)) - beg 'noerror) - (replace-match (file-relative-name filename) t)) - - (goto-char (point-max)))))) - -(defun tramp-handle-unhandled-file-name-directory (filename) - "Like `unhandled-file-name-directory' for Tramp files." - ;; With Emacs 23, we could simply return `nil'. But we must keep it - ;; for backward compatibility. - (expand-file-name "~/")) - -;; Canonicalization of file names. - -(defun tramp-handle-expand-file-name (name &optional dir) - "Like `expand-file-name' for Tramp files. -If the localname part of the given filename starts with \"/../\" then -the result will be a local, non-Tramp, filename." - ;; If DIR is not given, use DEFAULT-DIRECTORY or "/". - (setq dir (or dir default-directory "/")) - ;; Unless NAME is absolute, concat DIR and NAME. - (unless (file-name-absolute-p name) - (setq name (concat (file-name-as-directory dir) name))) - ;; If NAME is not a Tramp file, run the real handler. - (if (not (tramp-connectable-p name)) - (tramp-run-real-handler 'expand-file-name (list name nil)) - ;; Dissect NAME. - (with-parsed-tramp-file-name name nil - (unless (tramp-run-real-handler 'file-name-absolute-p (list localname)) - (setq localname (concat "~/" localname))) - ;; Tilde expansion if necessary. This needs a shell which - ;; groks tilde expansion! The function `tramp-find-shell' is - ;; supposed to find such a shell on the remote host. Please - ;; tell me about it when this doesn't work on your system. - (when (string-match "\\`\\(~[^/]*\\)\\(.*\\)\\'" localname) - (let ((uname (match-string 1 localname)) - (fname (match-string 2 localname))) - ;; We cannot simply apply "~/", because under sudo "~/" is - ;; expanded to the local user home directory but to the - ;; root home directory. On the other hand, using always - ;; the default user name for tilde expansion is not - ;; appropriate either, because ssh and companions might - ;; use a user name from the config file. - (when (and (string-equal uname "~") - (string-match "\\`su\\(do\\)?\\'" method)) - (setq uname (concat uname user))) - (setq uname - (with-connection-property v uname - (tramp-send-command - v (format "cd %s; pwd" (tramp-shell-quote-argument uname))) - (with-current-buffer (tramp-get-buffer v) - (goto-char (point-min)) - (buffer-substring - (point) (tramp-compat-line-end-position))))) - (setq localname (concat uname fname)))) - ;; There might be a double slash, for example when "~/" - ;; expands to "/". Remove this. - (while (string-match "//" localname) - (setq localname (replace-match "/" t t localname))) - ;; No tilde characters in file name, do normal - ;; `expand-file-name' (this does "/./" and "/../"). We bind - ;; `directory-sep-char' here for XEmacs on Windows, which would - ;; otherwise use backslash. `default-directory' is bound, - ;; because on Windows there would be problems with UNC shares or - ;; Cygwin mounts. - (let ((directory-sep-char ?/) - (default-directory (tramp-compat-temporary-file-directory))) - (tramp-make-tramp-file-name - method user host - (tramp-drop-volume-letter - (tramp-run-real-handler - 'expand-file-name (list localname)))))))) - (defun tramp-replace-environment-variables (filename) "Replace environment variables in FILENAME. Return the string with the replaced variables." @@ -4579,38 +1627,6 @@ Return the string with the replaced variables." t nil filename))) filename))) -(defun tramp-handle-substitute-in-file-name (filename) - "Like `substitute-in-file-name' for Tramp files. -\"//\" and \"/~\" substitute only in the local filename part. -If the URL Tramp syntax is chosen, \"//\" as method delimeter and \"/~\" at -beginning of local filename are not substituted." - ;; First, we must replace environment variables. - (setq filename (tramp-replace-environment-variables filename)) - (with-parsed-tramp-file-name filename nil - (if (equal tramp-syntax 'url) - ;; We need to check localname only. The other parts cannot contain - ;; "//" or "/~". - (if (and (> (length localname) 1) - (or (string-match "//" localname) - (string-match "/~" localname 1))) - (tramp-run-real-handler 'substitute-in-file-name (list filename)) - (tramp-make-tramp-file-name - (when method (substitute-in-file-name method)) - (when user (substitute-in-file-name user)) - (when host (substitute-in-file-name host)) - (when localname - (tramp-run-real-handler - 'substitute-in-file-name (list localname))))) - ;; Ignore in LOCALNAME everything before "//" or "/~". - (when (and (stringp localname) (string-match ".+?/\\(/\\|~\\)" localname)) - (setq filename - (concat (file-remote-p filename) - (replace-match "\\1" nil nil localname))) - ;; "/m:h:~" does not work for completion. We use "/m:h:~/". - (when (string-match "~$" filename) - (setq filename (concat filename "/")))) - (tramp-run-real-handler 'substitute-in-file-name (list filename))))) - ;; In XEmacs, electricity is implemented via a key map for ?/ and ?~, ;; which calls corresponding functions (see minibuf.el). (when (fboundp 'minibuffer-electric-separator) @@ -4640,392 +1656,9 @@ beginning of local filename are not substituted." '(minibuffer-electric-separator minibuffer-electric-tilde))) - -;;; Remote commands: - -(defun tramp-handle-executable-find (command) - "Like `executable-find' for Tramp files." - (with-parsed-tramp-file-name default-directory nil - (tramp-find-executable v command (tramp-get-remote-path v) t))) - -(defun tramp-process-sentinel (proc event) - "Flush file caches." - (unless (memq (process-status proc) '(run open)) - (let ((vec (tramp-get-connection-property proc "vector" nil))) - (when vec - (tramp-message vec 5 "Sentinel called: `%s' `%s'" proc event) - (tramp-flush-directory-property vec ""))))) - -;; We use BUFFER also as connection buffer during setup. Because of -;; this, its original contents must be saved, and restored once -;; connection has been setup. -(defun tramp-handle-start-file-process (name buffer program &rest args) - "Like `start-file-process' for Tramp files." - (with-parsed-tramp-file-name default-directory nil - (unwind-protect - ;; When PROGRAM is nil, we just provide a tty. - (let ((command - (when (stringp program) - (format "cd %s; exec %s" - (tramp-shell-quote-argument localname) - (mapconcat 'tramp-shell-quote-argument - (cons program args) " ")))) - (tramp-process-connection-type - (or (null program) tramp-process-connection-type)) - (name1 name) - (i 0)) - (unless buffer - ;; BUFFER can be nil. We use a temporary buffer. - (setq buffer (generate-new-buffer tramp-temp-buffer-name))) - (while (get-process name1) - ;; NAME must be unique as process name. - (setq i (1+ i) - name1 (format "%s<%d>" name i))) - (setq name name1) - ;; Set the new process properties. - (tramp-set-connection-property v "process-name" name) - (tramp-set-connection-property v "process-buffer" buffer) - ;; Activate narrowing in order to save BUFFER contents. - ;; Clear also the modification time; otherwise we might be - ;; interrupted by `verify-visited-file-modtime'. - (with-current-buffer (tramp-get-connection-buffer v) - (clear-visited-file-modtime) - (narrow-to-region (point-max) (point-max))) - (if command - ;; Send the command. - (tramp-send-command v command nil t) ; nooutput - ;; Check, whether a pty is associated. - (tramp-maybe-open-connection v) - (unless (process-get (tramp-get-connection-process v) 'remote-tty) - (tramp-error - v 'file-error "pty association is not supported for `%s'" name))) - (let ((p (tramp-get-connection-process v))) - ;; Set sentinel and query flag for this process. - (tramp-set-connection-property p "vector" v) - (set-process-sentinel p 'tramp-process-sentinel) - (tramp-set-process-query-on-exit-flag p t) - ;; Return process. - p)) - ;; Save exit. - (with-current-buffer (tramp-get-connection-buffer v) - (if (string-match tramp-temp-buffer-name (buffer-name)) - (progn - (set-process-buffer (tramp-get-connection-process v) nil) - (kill-buffer (current-buffer))) - (widen) - (goto-char (point-max)))) - (tramp-set-connection-property v "process-name" nil) - (tramp-set-connection-property v "process-buffer" nil)))) - -(defun tramp-handle-process-file - (program &optional infile destination display &rest args) - "Like `process-file' for Tramp files." - ;; The implementation is not complete yet. - (when (and (numberp destination) (zerop destination)) - (error "Implementation does not handle immediate return")) - - (with-parsed-tramp-file-name default-directory nil - (let (command input tmpinput stderr tmpstderr outbuf ret) - ;; Compute command. - (setq command (mapconcat 'tramp-shell-quote-argument - (cons program args) " ")) - ;; Determine input. - (if (null infile) - (setq input "/dev/null") - (setq infile (expand-file-name infile)) - (if (tramp-equal-remote default-directory infile) - ;; INFILE is on the same remote host. - (setq input (with-parsed-tramp-file-name infile nil localname)) - ;; INFILE must be copied to remote host. - (setq input (tramp-make-tramp-temp-file v) - tmpinput (tramp-make-tramp-file-name method user host input)) - (copy-file infile tmpinput t))) - (when input (setq command (format "%s <%s" command input))) - - ;; Determine output. - (cond - ;; Just a buffer. - ((bufferp destination) - (setq outbuf destination)) - ;; A buffer name. - ((stringp destination) - (setq outbuf (get-buffer-create destination))) - ;; (REAL-DESTINATION ERROR-DESTINATION) - ((consp destination) - ;; output. - (cond - ((bufferp (car destination)) - (setq outbuf (car destination))) - ((stringp (car destination)) - (setq outbuf (get-buffer-create (car destination)))) - ((car destination) - (setq outbuf (current-buffer)))) - ;; stderr. - (cond - ((stringp (cadr destination)) - (setcar (cdr destination) (expand-file-name (cadr destination))) - (if (tramp-equal-remote default-directory (cadr destination)) - ;; stderr is on the same remote host. - (setq stderr (with-parsed-tramp-file-name - (cadr destination) nil localname)) - ;; stderr must be copied to remote host. The temporary - ;; file must be deleted after execution. - (setq stderr (tramp-make-tramp-temp-file v) - tmpstderr (tramp-make-tramp-file-name - method user host stderr)))) - ;; stderr to be discarded. - ((null (cadr destination)) - (setq stderr "/dev/null")))) - ;; 't - (destination - (setq outbuf (current-buffer)))) - (when stderr (setq command (format "%s 2>%s" command stderr))) - - ;; Send the command. It might not return in time, so we protect - ;; it. Call it in a subshell, in order to preserve working - ;; directory. - (condition-case nil - (unwind-protect - (setq ret - (tramp-send-command-and-check - v (format "\\cd %s; %s" - (tramp-shell-quote-argument localname) - command) - t t)) - ;; We should show the output anyway. - (when outbuf - (with-current-buffer outbuf - (insert - (with-current-buffer (tramp-get-connection-buffer v) - (buffer-string)))) - (when display (display-buffer outbuf)))) - ;; When the user did interrupt, we should do it also. We use - ;; return code -1 as marker. - (quit - (kill-buffer (tramp-get-connection-buffer v)) - (setq ret -1)) - ;; Handle errors. - (error - (kill-buffer (tramp-get-connection-buffer v)) - (setq ret 1))) - - ;; Provide error file. - (when tmpstderr (rename-file tmpstderr (cadr destination) t)) - - ;; Cleanup. We remove all file cache values for the connection, - ;; because the remote process could have changed them. - (when tmpinput (delete-file tmpinput)) - - ;; `process-file-side-effects' has been introduced with GNU - ;; Emacs 23.2. If set to `nil', no remote file will be changed - ;; by `program'. If it doesn't exist, we assume its default - ;; value 't'. - (unless (and (boundp 'process-file-side-effects) - (not (symbol-value 'process-file-side-effects))) - (tramp-flush-directory-property v "")) - - ;; Return exit status. - (if (equal ret -1) - (keyboard-quit) - ret)))) - -(defun tramp-handle-call-process-region - (start end program &optional delete buffer display &rest args) - "Like `call-process-region' for Tramp files." - (let ((tmpfile (tramp-compat-make-temp-file ""))) - (write-region start end tmpfile) - (when delete (delete-region start end)) - (unwind-protect - (apply 'call-process program tmpfile buffer display args) - (delete-file tmpfile)))) - -(defun tramp-handle-shell-command - (command &optional output-buffer error-buffer) - "Like `shell-command' for Tramp files." - (let* ((asynchronous (string-match "[ \t]*&[ \t]*\\'" command)) - ;; We cannot use `shell-file-name' and `shell-command-switch', - ;; they are variables of the local host. - (args (list - (tramp-get-method-parameter - (tramp-file-name-method - (tramp-dissect-file-name default-directory)) - 'tramp-remote-sh) - "-c" (substring command 0 asynchronous))) - current-buffer-p - (output-buffer - (cond - ((bufferp output-buffer) output-buffer) - ((stringp output-buffer) (get-buffer-create output-buffer)) - (output-buffer - (setq current-buffer-p t) - (current-buffer)) - (t (get-buffer-create - (if asynchronous - "*Async Shell Command*" - "*Shell Command Output*"))))) - (error-buffer - (cond - ((bufferp error-buffer) error-buffer) - ((stringp error-buffer) (get-buffer-create error-buffer)))) - (buffer - (if (and (not asynchronous) error-buffer) - (with-parsed-tramp-file-name default-directory nil - (list output-buffer (tramp-make-tramp-temp-file v))) - output-buffer)) - (p (get-buffer-process output-buffer))) - - ;; Check whether there is another process running. Tramp does not - ;; support 2 (asynchronous) processes in parallel. - (when p - (if (yes-or-no-p "A command is running. Kill it? ") - (condition-case nil - (kill-process p) - (error nil)) - (error "Shell command in progress"))) - - (if current-buffer-p - (progn - (barf-if-buffer-read-only) - (push-mark nil t)) - (with-current-buffer output-buffer - (setq buffer-read-only nil) - (erase-buffer))) - - (if (and (not current-buffer-p) (integerp asynchronous)) - (prog1 - ;; Run the process. - (apply 'start-file-process "*Async Shell*" buffer args) - ;; Display output. - (pop-to-buffer output-buffer) - (setq mode-line-process '(":%s")) - (shell-mode)) - - (prog1 - ;; Run the process. - (apply 'process-file (car args) nil buffer nil (cdr args)) - ;; Insert error messages if they were separated. - (when (listp buffer) - (with-current-buffer error-buffer - (insert-file-contents (cadr buffer))) - (delete-file (cadr buffer))) - (if current-buffer-p - ;; This is like exchange-point-and-mark, but doesn't - ;; activate the mark. It is cleaner to avoid activation, - ;; even though the command loop would deactivate the mark - ;; because we inserted text. - (goto-char (prog1 (mark t) - (set-marker (mark-marker) (point) - (current-buffer)))) - ;; There's some output, display it. - (when (with-current-buffer output-buffer (> (point-max) (point-min))) - (if (functionp 'display-message-or-buffer) - (tramp-compat-funcall 'display-message-or-buffer output-buffer) - (pop-to-buffer output-buffer)))))))) - -;; File Editing. - (defvar tramp-handle-file-local-copy-hook nil "Normal hook to be run at the end of `tramp-handle-file-local-copy'.") -(defun tramp-handle-file-local-copy (filename) - "Like `file-local-copy' for Tramp files." - - (with-parsed-tramp-file-name filename nil - (unless (file-exists-p filename) - (tramp-error - v 'file-error - "Cannot make local copy of non-existing file `%s'" filename)) - - (let* ((size (nth 7 (file-attributes filename))) - (rem-enc (tramp-get-inline-coding v "remote-encoding" size)) - (loc-dec (tramp-get-inline-coding v "local-decoding" size)) - (tmpfile (tramp-compat-make-temp-file filename))) - - (condition-case err - (cond - ;; `copy-file' handles direct copy and out-of-band methods. - ((or (tramp-local-host-p v) - (tramp-method-out-of-band-p v size)) - (copy-file filename tmpfile t t)) - - ;; Use inline encoding for file transfer. - (rem-enc - (save-excursion - (with-progress-reporter - v 3 (format "Encoding remote file %s" filename) - (tramp-barf-unless-okay - v (format rem-enc (tramp-shell-quote-argument localname)) - "Encoding remote file failed")) - - (if (functionp loc-dec) - ;; If local decoding is a function, we call it. We - ;; must disable multibyte, because - ;; `uudecode-decode-region' doesn't handle it - ;; correctly. - (with-temp-buffer - (set-buffer-multibyte nil) - (insert-buffer-substring (tramp-get-buffer v)) - (with-progress-reporter - v 3 (format "Decoding remote file %s with function %s" - filename loc-dec) - (funcall loc-dec (point-min) (point-max)) - ;; Unset `file-name-handler-alist'. Otherwise, - ;; epa-file gets confused. - (let (file-name-handler-alist - (coding-system-for-write 'binary)) - (write-region (point-min) (point-max) tmpfile)))) - - ;; If tramp-decoding-function is not defined for this - ;; method, we invoke tramp-decoding-command instead. - (let ((tmpfile2 (tramp-compat-make-temp-file filename))) - ;; Unset `file-name-handler-alist'. Otherwise, - ;; epa-file gets confused. - (let (file-name-handler-alist - (coding-system-for-write 'binary)) - (write-region (point-min) (point-max) tmpfile2)) - (with-progress-reporter - v 3 (format "Decoding remote file %s with command %s" - filename loc-dec) - (unwind-protect - (tramp-call-local-coding-command - loc-dec tmpfile2 tmpfile) - (delete-file tmpfile2))))) - - ;; Set proper permissions. - (set-file-modes tmpfile (tramp-default-file-modes filename)) - ;; Set local user ownership. - (tramp-set-file-uid-gid tmpfile))) - - ;; Oops, I don't know what to do. - (t (tramp-error - v 'file-error "Wrong method specification for `%s'" method))) - - ;; Error handling. - ((error quit) - (delete-file tmpfile) - (signal (car err) (cdr err)))) - - (run-hooks 'tramp-handle-file-local-copy-hook) - tmpfile))) - -(defun tramp-handle-file-remote-p (filename &optional identification connected) - "Like `file-remote-p' for Tramp files." - (let ((tramp-verbose 3)) - (when (tramp-tramp-file-p filename) - (let* ((v (tramp-dissect-file-name filename)) - (p (tramp-get-connection-process v)) - (c (and p (processp p) (memq (process-status p) '(run open))))) - ;; We expand the file name only, if there is already a connection. - (with-parsed-tramp-file-name - (if c (expand-file-name filename) filename) nil - (and (or (not connected) c) - (cond - ((eq identification 'method) method) - ((eq identification 'user) user) - ((eq identification 'host) host) - ((eq identification 'localname) localname) - (t (tramp-make-tramp-file-name method user host ""))))))))) - (defun tramp-find-file-name-coding-system-alist (filename tmpname) "Like `find-operation-coding-system' for Tramp filenames. Tramp's `insert-file-contents' and `write-region' work over @@ -5041,533 +1674,6 @@ coding system might not be determined. This function repairs it." (add-to-list 'result (cons (regexp-quote tmpname) (cdr elt)) 'append))))) -(defun tramp-handle-insert-file-contents - (filename &optional visit beg end replace) - "Like `insert-file-contents' for Tramp files." - (barf-if-buffer-read-only) - (setq filename (expand-file-name filename)) - (let (result local-copy remote-copy) - (with-parsed-tramp-file-name filename nil - (unwind-protect - (if (not (file-exists-p filename)) - ;; We don't raise a Tramp error, because it might be - ;; suppressed, like in `find-file-noselect-1'. - (signal 'file-error - (list "File not found on remote host" filename)) - - (if (and (tramp-local-host-p v) - (let (file-name-handler-alist) - (file-readable-p localname))) - ;; Short track: if we are on the local host, we can - ;; run directly. - (setq result - (tramp-run-real-handler - 'insert-file-contents - (list localname visit beg end replace))) - - ;; When we shall insert only a part of the file, we copy - ;; this part. - (when (or beg end) - (setq remote-copy (tramp-make-tramp-temp-file v)) - (tramp-send-command - v - (cond - ((and beg end) - (format "tail -c +%d %s | head -c +%d >%s" - (1+ beg) (tramp-shell-quote-argument localname) - (- end beg) remote-copy)) - (beg - (format "tail -c +%d %s >%s" - (1+ beg) (tramp-shell-quote-argument localname) - remote-copy)) - (end - (format "head -c +%d %s >%s" - (1+ end) (tramp-shell-quote-argument localname) - remote-copy))))) - - ;; `insert-file-contents-literally' takes care to avoid - ;; calling jka-compr. By let-binding - ;; `inhibit-file-name-operation', we propagate that care - ;; to the `file-local-copy' operation. - (setq local-copy - (let ((inhibit-file-name-operation - (when (eq inhibit-file-name-operation - 'insert-file-contents) - 'file-local-copy))) - (cond - ((stringp remote-copy) - (file-local-copy - (tramp-make-tramp-file-name - method user host remote-copy))) - ((stringp tramp-temp-buffer-file-name) - (copy-file filename tramp-temp-buffer-file-name 'ok) - tramp-temp-buffer-file-name) - (t (file-local-copy filename))))) - - ;; When the file is not readable for the owner, it - ;; cannot be inserted, even it is redable for the group - ;; or for everybody. - (set-file-modes local-copy (tramp-compat-octal-to-decimal "0600")) - - (when (and (null remote-copy) - (tramp-get-method-parameter - method 'tramp-copy-keep-tmpfile)) - ;; We keep the local file for performance reasons, - ;; useful for "rsync". - (setq tramp-temp-buffer-file-name local-copy) - (put 'tramp-temp-buffer-file-name 'permanent-local t)) - - (with-progress-reporter - v 3 (format "Inserting local temp file `%s'" local-copy) - ;; We must ensure that `file-coding-system-alist' - ;; matches `local-copy'. - (let ((file-coding-system-alist - (tramp-find-file-name-coding-system-alist - filename local-copy))) - (setq result - (insert-file-contents - local-copy nil nil nil replace)))))) - - ;; Save exit. - (progn - (when visit - (setq buffer-file-name filename) - (setq buffer-read-only (not (file-writable-p filename))) - (set-visited-file-modtime) - (set-buffer-modified-p nil)) - (when (and (stringp local-copy) - (or remote-copy (null tramp-temp-buffer-file-name))) - (delete-file local-copy)) - (when (stringp remote-copy) - (delete-file - (tramp-make-tramp-file-name method user host remote-copy)))))) - - ;; Result. - (list (expand-file-name filename) - (cadr result)))) - -;; This is needed for XEmacs only. Code stolen from files.el. -(defun tramp-handle-insert-file-contents-literally - (filename &optional visit beg end replace) - "Like `insert-file-contents-literally' for Tramp files." - (let ((format-alist nil) - (after-insert-file-functions nil) - (coding-system-for-read 'no-conversion) - (coding-system-for-write 'no-conversion) - (find-buffer-file-type-function - (if (fboundp 'find-buffer-file-type) - (symbol-function 'find-buffer-file-type) - nil)) - (inhibit-file-name-handlers '(jka-compr-handler image-file-handler)) - (inhibit-file-name-operation 'insert-file-contents)) - (unwind-protect - (progn - (fset 'find-buffer-file-type (lambda (filename) t)) - (insert-file-contents filename visit beg end replace)) - ;; Save exit. - (if find-buffer-file-type-function - (fset 'find-buffer-file-type find-buffer-file-type-function) - (fmakunbound 'find-buffer-file-type))))) - -(defun tramp-handle-find-backup-file-name (filename) - "Like `find-backup-file-name' for Tramp files." - (with-parsed-tramp-file-name filename nil - ;; We set both variables. It doesn't matter whether it is - ;; Emacs or XEmacs. - (let ((backup-directory-alist - ;; Emacs case. - (when (boundp 'backup-directory-alist) - (if (symbol-value 'tramp-backup-directory-alist) - (mapcar - (lambda (x) - (cons - (car x) - (if (and (stringp (cdr x)) - (file-name-absolute-p (cdr x)) - (not (tramp-file-name-p (cdr x)))) - (tramp-make-tramp-file-name method user host (cdr x)) - (cdr x)))) - (symbol-value 'tramp-backup-directory-alist)) - (symbol-value 'backup-directory-alist)))) - - (bkup-backup-directory-info - ;; XEmacs case. - (when (boundp 'bkup-backup-directory-info) - (if (symbol-value 'tramp-bkup-backup-directory-info) - (mapcar - (lambda (x) - (nconc - (list (car x)) - (list - (if (and (stringp (car (cdr x))) - (file-name-absolute-p (car (cdr x))) - (not (tramp-file-name-p (car (cdr x))))) - (tramp-make-tramp-file-name - method user host (car (cdr x))) - (car (cdr x)))) - (cdr (cdr x)))) - (symbol-value 'tramp-bkup-backup-directory-info)) - (symbol-value 'bkup-backup-directory-info))))) - - (tramp-run-real-handler 'find-backup-file-name (list filename))))) - -(defun tramp-handle-make-auto-save-file-name () - "Like `make-auto-save-file-name' for Tramp files. -Returns a file name in `tramp-auto-save-directory' for autosaving this file." - (let ((tramp-auto-save-directory tramp-auto-save-directory) - (buffer-file-name - (tramp-subst-strs-in-string - '(("_" . "|") - ("/" . "_a") - (":" . "_b") - ("|" . "__") - ("[" . "_l") - ("]" . "_r")) - (buffer-file-name)))) - ;; File name must be unique. This is ensured with Emacs 22 (see - ;; UNIQUIFY element of `auto-save-file-name-transforms'); but for - ;; all other cases we must do it ourselves. - (when (boundp 'auto-save-file-name-transforms) - (mapc - (lambda (x) - (when (and (string-match (car x) buffer-file-name) - (not (car (cddr x)))) - (setq tramp-auto-save-directory - (or tramp-auto-save-directory - (tramp-compat-temporary-file-directory))))) - (symbol-value 'auto-save-file-name-transforms))) - ;; Create directory. - (when tramp-auto-save-directory - (setq buffer-file-name - (expand-file-name buffer-file-name tramp-auto-save-directory)) - (unless (file-exists-p tramp-auto-save-directory) - (make-directory tramp-auto-save-directory t))) - ;; Run plain `make-auto-save-file-name'. There might be an advice when - ;; it is not a magic file name operation (since Emacs 22). - ;; We must deactivate it temporarily. - (if (not (ad-is-active 'make-auto-save-file-name)) - (tramp-run-real-handler 'make-auto-save-file-name nil) - ;; else - (ad-deactivate 'make-auto-save-file-name) - (prog1 - (tramp-run-real-handler 'make-auto-save-file-name nil) - (ad-activate 'make-auto-save-file-name))))) - -(defvar tramp-handle-write-region-hook nil - "Normal hook to be run at the end of `tramp-handle-write-region'.") - -;; CCC grok LOCKNAME -(defun tramp-handle-write-region - (start end filename &optional append visit lockname confirm) - "Like `write-region' for Tramp files." - (setq filename (expand-file-name filename)) - (with-parsed-tramp-file-name filename nil - ;; Following part commented out because we don't know what to do about - ;; file locking, and it does not appear to be a problem to ignore it. - ;; Ange-ftp ignores it, too. - ;; (when (and lockname (stringp lockname)) - ;; (setq lockname (expand-file-name lockname))) - ;; (unless (or (eq lockname nil) - ;; (string= lockname filename)) - ;; (error - ;; "tramp-handle-write-region: LOCKNAME must be nil or equal FILENAME")) - - ;; XEmacs takes a coding system as the seventh argument, not `confirm'. - (when (and (not (featurep 'xemacs)) confirm (file-exists-p filename)) - (unless (y-or-n-p (format "File %s exists; overwrite anyway? " filename)) - (tramp-error v 'file-error "File not overwritten"))) - - (let ((uid (or (nth 2 (tramp-compat-file-attributes filename 'integer)) - (tramp-get-remote-uid v 'integer))) - (gid (or (nth 3 (tramp-compat-file-attributes filename 'integer)) - (tramp-get-remote-gid v 'integer)))) - - (if (and (tramp-local-host-p v) - ;; `file-writable-p' calls `file-expand-file-name'. We - ;; cannot use `tramp-run-real-handler' therefore. - (let (file-name-handler-alist) - (and - (file-writable-p (file-name-directory localname)) - (or (file-directory-p localname) - (file-writable-p localname))))) - ;; Short track: if we are on the local host, we can run directly. - (tramp-run-real-handler - 'write-region - (list start end localname append 'no-message lockname confirm)) - - (let ((modes (save-excursion (tramp-default-file-modes filename))) - ;; We use this to save the value of - ;; `last-coding-system-used' after writing the tmp - ;; file. At the end of the function, we set - ;; `last-coding-system-used' to this saved value. This - ;; way, any intermediary coding systems used while - ;; talking to the remote shell or suchlike won't hose - ;; this variable. This approach was snarfed from - ;; ange-ftp.el. - coding-system-used - ;; Write region into a tmp file. This isn't really - ;; needed if we use an encoding function, but currently - ;; we use it always because this makes the logic - ;; simpler. - (tmpfile (or tramp-temp-buffer-file-name - (tramp-compat-make-temp-file filename)))) - - ;; If `append' is non-nil, we copy the file locally, and let - ;; the native `write-region' implementation do the job. - (when append (copy-file filename tmpfile 'ok)) - - ;; We say `no-message' here because we don't want the - ;; visited file modtime data to be clobbered from the temp - ;; file. We call `set-visited-file-modtime' ourselves later - ;; on. We must ensure that `file-coding-system-alist' - ;; matches `tmpfile'. - (let (file-name-handler-alist - (file-coding-system-alist - (tramp-find-file-name-coding-system-alist filename tmpfile))) - (condition-case err - (tramp-run-real-handler - 'write-region - (list start end tmpfile append 'no-message lockname confirm)) - ((error quit) - (setq tramp-temp-buffer-file-name nil) - (delete-file tmpfile) - (signal (car err) (cdr err)))) - - ;; Now, `last-coding-system-used' has the right value. Remember it. - (when (boundp 'last-coding-system-used) - (setq coding-system-used - (symbol-value 'last-coding-system-used)))) - - ;; The permissions of the temporary file should be set. If - ;; filename does not exist (eq modes nil) it has been - ;; renamed to the backup file. This case `save-buffer' - ;; handles permissions. - ;; Ensure, that it is still readable. - (when modes - (set-file-modes - tmpfile - (logior (or modes 0) (tramp-compat-octal-to-decimal "0400")))) - - ;; This is a bit lengthy due to the different methods - ;; possible for file transfer. First, we check whether the - ;; method uses an rcp program. If so, we call it. - ;; Otherwise, both encoding and decoding command must be - ;; specified. However, if the method _also_ specifies an - ;; encoding function, then that is used for encoding the - ;; contents of the tmp file. - (let* ((size (nth 7 (file-attributes tmpfile))) - (rem-dec (tramp-get-inline-coding v "remote-decoding" size)) - (loc-enc (tramp-get-inline-coding v "local-encoding" size))) - (cond - ;; `copy-file' handles direct copy and out-of-band methods. - ((or (tramp-local-host-p v) - (tramp-method-out-of-band-p v size)) - (if (and (not (stringp start)) - (= (or end (point-max)) (point-max)) - (= (or start (point-min)) (point-min)) - (tramp-get-method-parameter - method 'tramp-copy-keep-tmpfile)) - (progn - (setq tramp-temp-buffer-file-name tmpfile) - (condition-case err - ;; We keep the local file for performance - ;; reasons, useful for "rsync". - (copy-file tmpfile filename t) - ((error quit) - (setq tramp-temp-buffer-file-name nil) - (delete-file tmpfile) - (signal (car err) (cdr err))))) - (setq tramp-temp-buffer-file-name nil) - ;; Don't rename, in order to keep context in SELinux. - (unwind-protect - (copy-file tmpfile filename t) - (delete-file tmpfile)))) - - ;; Use inline file transfer. - (rem-dec - ;; Encode tmpfile. - (unwind-protect - (with-temp-buffer - (set-buffer-multibyte nil) - ;; Use encoding function or command. - (if (functionp loc-enc) - (with-progress-reporter - v 3 (format "Encoding region using function `%s'" - loc-enc) - (let ((coding-system-for-read 'binary)) - (insert-file-contents-literally tmpfile)) - ;; The following `let' is a workaround for the - ;; base64.el that comes with pgnus-0.84. If - ;; both of the following conditions are - ;; satisfied, it tries to write to a local - ;; file in default-directory, but at this - ;; point, default-directory is remote. - ;; (`call-process-region' can't write to - ;; remote files, it seems.) The file in - ;; question is a tmp file anyway. - (let ((default-directory - (tramp-compat-temporary-file-directory))) - (funcall loc-enc (point-min) (point-max)))) - - (with-progress-reporter - v 3 (format "Encoding region using command `%s'" - loc-enc) - (unless (zerop (tramp-call-local-coding-command - loc-enc tmpfile t)) - (tramp-error - v 'file-error - (concat "Cannot write to `%s', " - "local encoding command `%s' failed") - filename loc-enc)))) - - ;; Send buffer into remote decoding command which - ;; writes to remote file. Because this happens on - ;; the remote host, we cannot use the function. - (with-progress-reporter - v 3 - (format "Decoding region into remote file %s" filename) - (goto-char (point-max)) - (unless (bolp) (newline)) - (tramp-send-command - v - (format - (concat rem-dec " <<'EOF'\n%sEOF") - (tramp-shell-quote-argument localname) - (buffer-string))) - (tramp-barf-unless-okay - v nil - "Couldn't write region to `%s', decode using `%s' failed" - filename rem-dec) - ;; When `file-precious-flag' is set, the region is - ;; written to a temporary file. Check that the - ;; checksum is equal to that from the local tmpfile. - (when file-precious-flag - (erase-buffer) - (and - ;; cksum runs locally, if possible. - (zerop (tramp-compat-call-process "cksum" tmpfile t)) - ;; cksum runs remotely. - (zerop - (tramp-send-command-and-check - v - (format - "cksum <%s" - (tramp-shell-quote-argument localname)))) - ;; ... they are different. - (not - (string-equal - (buffer-string) - (with-current-buffer (tramp-get-buffer v) - (buffer-string)))) - (tramp-error - v 'file-error - (concat "Couldn't write region to `%s'," - " decode using `%s' failed") - filename rem-dec))))) - - ;; Save exit. - (delete-file tmpfile))) - - ;; That's not expected. - (t - (tramp-error - v 'file-error - (concat "Method `%s' should specify both encoding and " - "decoding command or an rcp program") - method)))) - - ;; Make `last-coding-system-used' have the right value. - (when coding-system-used - (set 'last-coding-system-used coding-system-used)))) - - (tramp-flush-file-property v (file-name-directory localname)) - (tramp-flush-file-property v localname) - - ;; We must protect `last-coding-system-used', now we have set it - ;; to its correct value. - (let (last-coding-system-used (need-chown t)) - ;; Set file modification time. - (when (or (eq visit t) (stringp visit)) - (let ((file-attr (file-attributes filename))) - (set-visited-file-modtime - ;; We must pass modtime explicitely, because filename can - ;; be different from (buffer-file-name), f.e. if - ;; `file-precious-flag' is set. - (nth 5 file-attr)) - (when (and (eq (nth 2 file-attr) uid) - (eq (nth 3 file-attr) gid)) - (setq need-chown nil)))) - - ;; Set the ownership. - (when need-chown - (tramp-set-file-uid-gid filename uid gid)) - (when (or (eq visit t) (null visit) (stringp visit)) - (tramp-message v 0 "Wrote %s" filename)) - (run-hooks 'tramp-handle-write-region-hook))))) - -(defvar tramp-vc-registered-file-names nil - "List used to collect file names, which are checked during `vc-registered'.") - -;; VC backends check for the existence of various different special -;; files. This is very time consuming, because every single check -;; requires a remote command (the file cache must be invalidated). -;; Therefore, we apply a kind of optimization. We install the file -;; name handler `tramp-vc-file-name-handler', which does nothing but -;; remembers all file names for which `file-exists-p' or -;; `file-readable-p' has been applied. A first run of `vc-registered' -;; is performed. Afterwards, a script is applied for all collected -;; file names, using just one remote command. The result of this -;; script is used to fill the file cache with actual values. Now we -;; can reset the file name handlers, and we make a second run of -;; `vc-registered', which returns the expected result without sending -;; any other remote command. -(defun tramp-handle-vc-registered (file) - "Like `vc-registered' for Tramp files." - (with-temp-message "" - (with-parsed-tramp-file-name file nil - (with-progress-reporter - v 3 (format "Checking `vc-registered' for %s" file) - - ;; There could be new files, created by the vc backend. We - ;; cannot reuse the old cache entries, therefore. - (let (tramp-vc-registered-file-names - (tramp-cache-inhibit-cache (current-time)) - (file-name-handler-alist - `((,tramp-file-name-regexp . tramp-vc-file-name-handler)))) - - ;; Here we collect only file names, which need an operation. - (tramp-run-real-handler 'vc-registered (list file)) - (tramp-message v 10 "\n%s" tramp-vc-registered-file-names) - - ;; Send just one command, in order to fill the cache. - (when tramp-vc-registered-file-names - (tramp-maybe-send-script - v - (format tramp-vc-registered-read-file-names - (tramp-get-file-exists-command v) - (format "%s -r" (tramp-get-test-command v))) - "tramp_vc_registered_read_file_names") - - (dolist - (elt - (tramp-send-command-and-read - v - (format - "tramp_vc_registered_read_file_names <<'EOF'\n%s\nEOF\n" - (mapconcat 'tramp-shell-quote-argument - tramp-vc-registered-file-names - "\n")))) - - (tramp-set-file-property - v (car elt) (cadr elt) (cadr (cdr elt)))))) - - ;; Second run. Now all `file-exists-p' or `file-readable-p' - ;; calls shall be answered from the file cache. We unset - ;; `process-file-side-effects' in order to keep the cache when - ;; `process-file' calls appear. - (let (process-file-side-effects) - (tramp-run-real-handler 'vc-registered (list file))))))) - ;;;###autoload (progn (defun tramp-run-real-handler (operation args) "Invoke normal file name handler for OPERATION. @@ -5728,8 +1834,7 @@ Falls back to normal file name handler if no Tramp file name handler exists." (condition-case err (apply foreign operation args) - ;; Trace that somebody has interrupted the - ;; operation. + ;; Trace, that somebody has interrupted the operation. (quit (let (tramp-message-show-message) (tramp-message @@ -5787,48 +1892,6 @@ preventing reentrant calls of Tramp.") Together with `tramp-locked', this implements a locking mechanism preventing reentrant calls of Tramp.") -(defun tramp-sh-file-name-handler (operation &rest args) - "Invoke remote-shell Tramp file name handler. -Fall back to normal file name handler if no Tramp handler exists." - (when (and tramp-locked (not tramp-locker)) - (setq tramp-locked nil) - (signal 'file-error (list "Forbidden reentrant call of Tramp"))) - (let ((tl tramp-locked)) - (unwind-protect - (progn - (setq tramp-locked t) - (let ((tramp-locker t)) - (save-match-data - (let ((fn (assoc operation tramp-file-name-handler-alist))) - (if fn - (apply (cdr fn) args) - (tramp-run-real-handler operation args)))))) - (setq tramp-locked tl)))) - -(defun tramp-vc-file-name-handler (operation &rest args) - "Invoke special file name handler, which collects files to be handled." - (save-match-data - (let ((filename - (tramp-replace-environment-variables - (apply 'tramp-file-name-for-operation operation args))) - (fn (assoc operation tramp-file-name-handler-alist))) - (with-parsed-tramp-file-name filename nil - (cond - ;; That's what we want: file names, for which checks are - ;; applied. We assume, that VC uses only `file-exists-p' and - ;; `file-readable-p' checks; otherwise we must extend the - ;; list. We do not perform any action, but return nil, in - ;; order to keep `vc-registered' running. - ((and fn (memq operation '(file-exists-p file-readable-p))) - (add-to-list 'tramp-vc-registered-file-names localname 'append) - nil) - ;; Tramp file name handlers like `expand-file-name'. They - ;; must still work. - (fn - (save-match-data (apply (cdr fn) args))) - ;; Default file name handlers, we don't care. - (t (tramp-run-real-handler operation args))))))) - ;;;###autoload (progn (defun tramp-completion-file-name-handler (operation &rest args) "Invoke Tramp file name completion handler. @@ -6027,12 +2090,11 @@ not in completion mode." ;; Complete local parts. (append result1 - (condition-case nil - (apply (if (tramp-connectable-p fullname) - 'tramp-completion-run-real-handler - 'tramp-run-real-handler) - 'file-name-all-completions (list (list filename directory))) - (error nil))))) + (ignore-errors + (apply (if (tramp-connectable-p fullname) + 'tramp-completion-run-real-handler + 'tramp-run-real-handler) + 'file-name-all-completions (list (list filename directory))))))) ;; Method, host name and user name completion for a file. ;;;###autoload @@ -6490,69 +2552,10 @@ User is always nil." (forward-line 1) result)) -;;; Internal Functions: - -(defun tramp-maybe-send-script (vec script name) - "Define in remote shell function NAME implemented as SCRIPT. -Only send the definition if it has not already been done." - (let* ((p (tramp-get-connection-process vec)) - (scripts (tramp-get-connection-property p "scripts" nil))) - (unless (member name scripts) - (with-progress-reporter vec 5 (format "Sending script `%s'" name) - ;; The script could contain a call of Perl. This is masked with `%s'. - (tramp-send-command-and-check - vec - (format "%s () {\n%s\n}" name - (format script (tramp-get-remote-perl vec)))) - (tramp-set-connection-property p "scripts" (cons name scripts)))))) - -(defun tramp-set-auto-save () - (when (and ;; ange-ftp has its own auto-save mechanism - (eq (tramp-find-foreign-file-name-handler (buffer-file-name)) - 'tramp-sh-file-name-handler) - auto-save-default) - (auto-save-mode 1))) -(add-hook 'find-file-hooks 'tramp-set-auto-save t) -(add-hook 'tramp-unload-hook - (lambda () - (remove-hook 'find-file-hooks 'tramp-set-auto-save))) - -(defun tramp-run-test (switch filename) - "Run `test' on the remote system, given a SWITCH and a FILENAME. -Returns the exit code of the `test' program." - (with-parsed-tramp-file-name filename nil - (tramp-send-command-and-check - v - (format - "%s %s %s" - (tramp-get-test-command v) - switch - (tramp-shell-quote-argument localname))))) - -(defun tramp-run-test2 (format-string file1 file2) - "Run `test'-like program on the remote system, given FILE1, FILE2. -FORMAT-STRING contains the program name, switches, and place holders. -Returns the exit code of the `test' program. Barfs if the methods, -hosts, or files, disagree." - (unless (tramp-equal-remote file1 file2) - (with-parsed-tramp-file-name (if (tramp-tramp-file-p file1) file1 file2) nil - (tramp-error - v 'file-error - "tramp-run-test2 only implemented for same method, user, host"))) - (with-parsed-tramp-file-name file1 v1 - (with-parsed-tramp-file-name file1 v2 - (tramp-send-command-and-check - v1 - (format format-string - (tramp-shell-quote-argument v1-localname) - (tramp-shell-quote-argument v2-localname)))))) - (defun tramp-delete-temp-file-function () "Remove temporary files related to current buffer." (when (stringp tramp-temp-buffer-file-name) - (condition-case nil - (delete-file tramp-temp-buffer-file-name) - (error nil)))) + (ignore-errors (delete-file tramp-temp-buffer-file-name)))) (add-hook 'kill-buffer-hook 'tramp-delete-temp-file-function) (add-hook 'tramp-cache-unload-hook @@ -6560,173 +2563,6 @@ hosts, or files, disagree." (remove-hook 'kill-buffer-hook 'tramp-delete-temp-file-function))) -(defun tramp-find-executable - (vec progname dirlist &optional ignore-tilde ignore-path) - "Searches for PROGNAME in $PATH and all directories mentioned in DIRLIST. -First arg VEC specifies the connection, PROGNAME is the program -to search for, and DIRLIST gives the list of directories to -search. If IGNORE-TILDE is non-nil, directory names starting -with `~' will be ignored. If IGNORE-PATH is non-nil, searches -only in DIRLIST. - -Returns the absolute file name of PROGNAME, if found, and nil otherwise. - -This function expects to be in the right *tramp* buffer." - (with-current-buffer (tramp-get-connection-buffer vec) - (let (result) - ;; Check whether the executable is in $PATH. "which(1)" does not - ;; report always a correct error code; therefore we check the - ;; number of words it returns. - (unless ignore-path - (tramp-send-command vec (format "which \\%s | wc -w" progname)) - (goto-char (point-min)) - (if (looking-at "^\\s-*1$") - (setq result (concat "\\" progname)))) - (unless result - (when ignore-tilde - ;; Remove all ~/foo directories from dirlist. In XEmacs, - ;; `remove' is in CL, and we want to avoid CL dependencies. - (let (newdl d) - (while dirlist - (setq d (car dirlist)) - (setq dirlist (cdr dirlist)) - (unless (char-equal ?~ (aref d 0)) - (setq newdl (cons d newdl)))) - (setq dirlist (nreverse newdl)))) - (tramp-send-command - vec - (format (concat "while read d; " - "do if test -x $d/%s -a -f $d/%s; " - "then echo tramp_executable $d/%s; " - "break; fi; done <<'EOF'\n" - "%s\nEOF") - progname progname progname (mapconcat 'identity dirlist "\n"))) - (goto-char (point-max)) - (when (search-backward "tramp_executable " nil t) - (skip-chars-forward "^ ") - (skip-chars-forward " ") - (setq result (buffer-substring - (point) (tramp-compat-line-end-position))))) - result))) - -(defun tramp-set-remote-path (vec) - "Sets the remote environment PATH to existing directories. -I.e., for each directory in `tramp-remote-path', it is tested -whether it exists and if so, it is added to the environment -variable PATH." - (tramp-message vec 5 (format "Setting $PATH environment variable")) - (tramp-send-command - vec (format "PATH=%s; export PATH" - (mapconcat 'identity (tramp-get-remote-path vec) ":")))) - -;; ------------------------------------------------------------ -;; -- Communication with external shell -- -;; ------------------------------------------------------------ - -(defun tramp-find-file-exists-command (vec) - "Find a command on the remote host for checking if a file exists. -Here, we are looking for a command which has zero exit status if the -file exists and nonzero exit status otherwise." - (let ((existing "/") - (nonexisting - (tramp-shell-quote-argument "/ this file does not exist ")) - result) - ;; The algorithm is as follows: we try a list of several commands. - ;; For each command, we first run `$cmd /' -- this should return - ;; true, as the root directory always exists. And then we run - ;; `$cmd /this\ file\ does\ not\ exist ', hoping that the file indeed - ;; does not exist. This should return false. We use the first - ;; command we find that seems to work. - ;; The list of commands to try is as follows: - ;; `ls -d' This works on most systems, but NetBSD 1.4 - ;; has a bug: `ls' always returns zero exit - ;; status, even for files which don't exist. - ;; `test -e' Some Bourne shells have a `test' builtin - ;; which does not know the `-e' option. - ;; `/bin/test -e' For those, the `test' binary on disk normally - ;; provides the option. Alas, the binary - ;; is sometimes `/bin/test' and sometimes it's - ;; `/usr/bin/test'. - ;; `/usr/bin/test -e' In case `/bin/test' does not exist. - (unless (or - (and (setq result (format "%s -e" (tramp-get-test-command vec))) - (zerop (tramp-send-command-and-check - vec (format "%s %s" result existing))) - (not (zerop (tramp-send-command-and-check - vec (format "%s %s" result nonexisting))))) - (and (setq result "/bin/test -e") - (zerop (tramp-send-command-and-check - vec (format "%s %s" result existing))) - (not (zerop (tramp-send-command-and-check - vec (format "%s %s" result nonexisting))))) - (and (setq result "/usr/bin/test -e") - (zerop (tramp-send-command-and-check - vec (format "%s %s" result existing))) - (not (zerop (tramp-send-command-and-check - vec (format "%s %s" result nonexisting))))) - (and (setq result (format "%s -d" (tramp-get-ls-command vec))) - (zerop (tramp-send-command-and-check - vec (format "%s %s" result existing))) - (not (zerop (tramp-send-command-and-check - vec (format "%s %s" result nonexisting)))))) - (tramp-error - vec 'file-error "Couldn't find command to check if file exists")) - result)) - -(defun tramp-open-shell (vec shell) - "Opens shell SHELL." - (with-progress-reporter vec 5 (format "Opening remote shell `%s'" shell) - ;; Find arguments for this shell. - (let ((tramp-end-of-output tramp-initial-end-of-output) - (alist tramp-sh-extra-args) - item extra-args) - (while (and alist (null extra-args)) - (setq item (pop alist)) - (when (string-match (car item) shell) - (setq extra-args (cdr item)))) - (when extra-args (setq shell (concat shell " " extra-args))) - (tramp-send-command - vec (format "exec env ENV='' PROMPT_COMMAND='' PS1=%s PS2='' PS3='' %s" - (shell-quote-argument tramp-end-of-output) shell) - t)) - ;; Setting prompts. - (tramp-send-command - vec (format "PS1=%s" (shell-quote-argument tramp-end-of-output)) t) - (tramp-send-command vec "PS2=''" t) - (tramp-send-command vec "PS3=''" t) - (tramp-send-command vec "PROMPT_COMMAND=''" t))) - -(defun tramp-find-shell (vec) - "Opens a shell on the remote host which groks tilde expansion." - (unless (tramp-get-connection-property vec "remote-shell" nil) - (let (shell) - (with-current-buffer (tramp-get-buffer vec) - (tramp-send-command vec "echo ~root" t) - (cond - ((or (string-match "^~root$" (buffer-string)) - ;; The default shell (ksh93) of OpenSolaris is buggy. - (string-equal (tramp-get-connection-property vec "uname" "") - "SunOS 5.11")) - (setq shell - (or (tramp-find-executable - vec "bash" (tramp-get-remote-path vec) t t) - (tramp-find-executable - vec "ksh" (tramp-get-remote-path vec) t t))) - (unless shell - (tramp-error - vec 'file-error - "Couldn't find a shell which groks tilde expansion")) - (tramp-message - vec 5 "Starting remote shell `%s' for tilde expansion" shell) - (tramp-open-shell vec shell)) - - (t (tramp-message - vec 5 "Remote `%s' groks tilde expansion, good" - (tramp-set-connection-property - vec "remote-shell" - (tramp-get-method-parameter - (tramp-file-name-method vec) 'tramp-remote-sh))))))))) - ;; ------------------------------------------------------------ ;; -- Functions for establishing connection -- ;; ------------------------------------------------------------ @@ -6960,17 +2796,6 @@ nil." (tramp-error proc 'file-error "[[Regexp `%s' not found]]" regexp))) found))) -(defun tramp-barf-if-no-shell-prompt (proc timeout &rest error-args) - "Wait for shell prompt and barf if none appears. -Looks at process PROC to see if a shell prompt appears in TIMEOUT -seconds. If not, it produces an error message with the given ERROR-ARGS." - (unless - (tramp-wait-for-regexp - proc timeout - (format - "\\(%s\\|%s\\)\\'" shell-prompt-pattern tramp-shell-prompt-pattern)) - (apply 'tramp-error-with-buffer nil proc 'file-error error-args))) - ;; We don't call `tramp-send-string' in order to hide the password ;; from the debug buffer, and because end-of-line handling of the ;; string. @@ -6983,819 +2808,6 @@ seconds. If not, it produces an error message with the given ERROR-ARGS." 'tramp-password-end-of-line) tramp-default-password-end-of-line)))) -(defun tramp-open-connection-setup-interactive-shell (proc vec) - "Set up an interactive shell. -Mainly sets the prompt and the echo correctly. PROC is the shell -process to set up. VEC specifies the connection." - (let ((tramp-end-of-output tramp-initial-end-of-output)) - ;; It is useful to set the prompt in the following command because - ;; some people have a setting for $PS1 which /bin/sh doesn't know - ;; about and thus /bin/sh will display a strange prompt. For - ;; example, if $PS1 has "${CWD}" in the value, then ksh will - ;; display the current working directory but /bin/sh will display - ;; a dollar sign. The following command line sets $PS1 to a sane - ;; value, and works under Bourne-ish shells as well as csh-like - ;; shells. Daniel Pittman reports that the unusual positioning of - ;; the single quotes makes it work under `rc', too. We also unset - ;; the variable $ENV because that is read by some sh - ;; implementations (eg, bash when called as sh) on startup; this - ;; way, we avoid the startup file clobbering $PS1. $PROMP_COMMAND - ;; is another way to set the prompt in /bin/bash, it must be - ;; discarded as well. - (tramp-open-shell - vec - (tramp-get-method-parameter (tramp-file-name-method vec) 'tramp-remote-sh)) - - ;; Disable echo. - (tramp-message vec 5 "Setting up remote shell environment") - (tramp-send-command vec "stty -inlcr -echo kill '^U' erase '^H'" t) - ;; Check whether the echo has really been disabled. Some - ;; implementations, like busybox of embedded GNU/Linux, don't - ;; support disabling. - (tramp-send-command vec "echo foo" t) - (with-current-buffer (process-buffer proc) - (goto-char (point-min)) - (when (looking-at "echo foo") - (tramp-set-connection-property proc "remote-echo" t) - (tramp-message vec 5 "Remote echo still on. Ok.") - ;; Make sure backspaces and their echo are enabled and no line - ;; width magic interferes with them. - (tramp-send-command vec "stty icanon erase ^H cols 32767" t)))) - - (tramp-message vec 5 "Setting shell prompt") - (tramp-send-command - vec (format "PS1=%s" (shell-quote-argument tramp-end-of-output)) t) - (tramp-send-command vec "PS2=''" t) - (tramp-send-command vec "PS3=''" t) - (tramp-send-command vec "PROMPT_COMMAND=''" t) - - ;; Try to set up the coding system correctly. - ;; CCC this can't be the right way to do it. Hm. - (tramp-message vec 5 "Determining coding system") - (tramp-send-command vec "echo foo ; echo bar" t) - (with-current-buffer (process-buffer proc) - (goto-char (point-min)) - (if (featurep 'mule) - ;; Use MULE to select the right EOL convention for communicating - ;; with the process. - (let* ((cs (or (tramp-compat-funcall 'process-coding-system proc) - (cons 'undecided 'undecided))) - cs-decode cs-encode) - (when (symbolp cs) (setq cs (cons cs cs))) - (setq cs-decode (car cs)) - (setq cs-encode (cdr cs)) - (unless cs-decode (setq cs-decode 'undecided)) - (unless cs-encode (setq cs-encode 'undecided)) - (setq cs-encode (tramp-coding-system-change-eol-conversion - cs-encode 'unix)) - (when (search-forward "\r" nil t) - (setq cs-decode (tramp-coding-system-change-eol-conversion - cs-decode 'dos))) - (tramp-compat-funcall - 'set-buffer-process-coding-system cs-decode cs-encode) - (tramp-message - vec 5 "Setting coding system to `%s' and `%s'" cs-decode cs-encode)) - ;; Look for ^M and do something useful if found. - (when (search-forward "\r" nil t) - ;; We have found a ^M but cannot frob the process coding system - ;; because we're running on a non-MULE Emacs. Let's try - ;; stty, instead. - (tramp-send-command vec "stty -onlcr" t)))) - ;; Dump stty settings in the traces. - (when (>= tramp-verbose 9) - (tramp-send-command vec "stty -a" t)) - (tramp-send-command vec "set +o vi +o emacs" t) - - ;; Check whether the output of "uname -sr" has been changed. If - ;; yes, this is a strong indication that we must expire all - ;; connection properties. We start again with - ;; `tramp-maybe-open-connection', it will be catched there. - (tramp-message vec 5 "Checking system information") - (let ((old-uname (tramp-get-connection-property vec "uname" nil)) - (new-uname - (tramp-set-connection-property - vec "uname" - (tramp-send-command-and-read vec "echo \\\"`uname -sr`\\\"")))) - (when (and (stringp old-uname) (not (string-equal old-uname new-uname))) - (with-current-buffer (tramp-get-debug-buffer vec) - ;; Keep the debug buffer. - (rename-buffer - (generate-new-buffer-name tramp-temp-buffer-name) 'unique) - (tramp-compat-funcall 'tramp-cleanup-connection vec) - (if (= (point-min) (point-max)) - (kill-buffer nil) - (rename-buffer (tramp-debug-buffer-name vec) 'unique)) - ;; We call `tramp-get-buffer' in order to keep the debug buffer. - (tramp-get-buffer vec) - (tramp-message - vec 3 - "Connection reset, because remote host changed from `%s' to `%s'" - old-uname new-uname) - (throw 'uname-changed (tramp-maybe-open-connection vec))))) - - ;; Check whether the remote host suffers from buggy - ;; `send-process-string'. This is known for FreeBSD (see comment in - ;; `send_process', file process.c). I've tested sending 624 bytes - ;; successfully, sending 625 bytes failed. Emacs makes a hack when - ;; this host type is detected locally. It cannot handle remote - ;; hosts, though. - (with-connection-property proc "chunksize" - (cond - ((and (integerp tramp-chunksize) (> tramp-chunksize 0)) - tramp-chunksize) - (t - (tramp-message - vec 5 "Checking remote host type for `send-process-string' bug") - (if (string-match - "^FreeBSD" (tramp-get-connection-property vec "uname" "")) - 500 0)))) - - ;; Set remote PATH variable. - (tramp-set-remote-path vec) - - ;; Search for a good shell before searching for a command which - ;; checks if a file exists. This is done because Tramp wants to use - ;; "test foo; echo $?" to check if various conditions hold, and - ;; there are buggy /bin/sh implementations which don't execute the - ;; "echo $?" part if the "test" part has an error. In particular, - ;; the OpenSolaris /bin/sh is a problem. There are also other - ;; problems with /bin/sh of OpenSolaris, like redirection of stderr - ;; in function declarations, or changing HISTFILE in place. - ;; Therefore, OpenSolaris' /bin/sh is replaced by bash, when - ;; detected. - (tramp-find-shell vec) - - ;; Disable unexpected output. - (tramp-send-command vec "mesg n; biff n" t) - - ;; IRIX64 bash expands "!" even when in single quotes. This - ;; destroys our shell functions, we must disable it. See - ;; <http://stackoverflow.com/questions/3291692/irix-bash-shell-expands-expression-in-single-quotes-yet-shouldnt>. - (when (string-match "^IRIX64" (tramp-get-connection-property vec "uname" "")) - (tramp-send-command vec "set +H" t)) - - ;; Set `remote-tty' process property. - (ignore-errors - (let ((tty (tramp-send-command-and-read vec "echo \\\"`tty`\\\""))) - (unless (zerop (length tty)) (process-put proc 'remote-tty tty)))) - - ;; Set the environment. - (tramp-message vec 5 "Setting default environment") - - (let ((env (copy-sequence tramp-remote-process-environment)) - unset item) - (while env - (setq item (tramp-compat-split-string (car env) "=")) - (setcdr item (mapconcat 'identity (cdr item) "=")) - (if (and (stringp (cdr item)) (not (string-equal (cdr item) ""))) - (tramp-send-command - vec (format "%s=%s; export %s" (car item) (cdr item) (car item)) t) - (push (car item) unset)) - (setq env (cdr env))) - (when unset - (tramp-send-command - vec (format "unset %s" (mapconcat 'identity unset " ")) t)))) - -;; CCC: We should either implement a Perl version of base64 encoding -;; and decoding. Then we just use that in the last item. The other -;; alternative is to use the Perl version of UU encoding. But then -;; we need a Lisp version of uuencode. -;; -;; Old text from documentation of tramp-methods: -;; Using a uuencode/uudecode inline method is discouraged, please use one -;; of the base64 methods instead since base64 encoding is much more -;; reliable and the commands are more standardized between the different -;; Unix versions. But if you can't use base64 for some reason, please -;; note that the default uudecode command does not work well for some -;; Unices, in particular AIX and Irix. For AIX, you might want to use -;; the following command for uudecode: -;; -;; sed '/^begin/d;/^[` ]$/d;/^end/d' | iconv -f uucode -t ISO8859-1 -;; -;; For Irix, no solution is known yet. - -(defconst tramp-local-coding-commands - '((b64 base64-encode-region base64-decode-region) - (uu tramp-uuencode-region uudecode-decode-region) - (pack - "perl -e 'binmode STDIN; binmode STDOUT; print pack(q{u*}, join q{}, <>)'" - "perl -e 'binmode STDIN; binmode STDOUT; print unpack(q{u*}, join q{}, <>)'")) - "List of local coding commands for inline transfer. -Each item is a list that looks like this: - -\(FORMAT ENCODING DECODING\) - -FORMAT is symbol describing the encoding/decoding format. It can be -`b64' for base64 encoding, `uu' for uu encoding, or `pack' for simple packing. - -ENCODING and DECODING can be strings, giving commands, or symbols, -giving functions. If they are strings, then they can contain -the \"%s\" format specifier. If that specifier is present, the input -filename will be put into the command line at that spot. If the -specifier is not present, the input should be read from standard -input. - -If they are functions, they will be called with two arguments, start -and end of region, and are expected to replace the region contents -with the encoded or decoded results, respectively.") - -(defconst tramp-remote-coding-commands - '((b64 "base64" "base64 -d") - (b64 "mimencode -b" "mimencode -u -b") - (b64 "mmencode -b" "mmencode -u -b") - (b64 "recode data..base64" "recode base64..data") - (b64 tramp-perl-encode-with-module tramp-perl-decode-with-module) - (b64 tramp-perl-encode tramp-perl-decode) - (uu "uuencode xxx" "uudecode -o /dev/stdout") - (uu "uuencode xxx" "uudecode -o -") - (uu "uuencode xxx" "uudecode -p") - (uu "uuencode xxx" tramp-uudecode) - (pack - "perl -e 'binmode STDIN; binmode STDOUT; print pack(q{u*}, join q{}, <>)'" - "perl -e 'binmode STDIN; binmode STDOUT; print unpack(q{u*}, join q{}, <>)'")) - "List of remote coding commands for inline transfer. -Each item is a list that looks like this: - -\(FORMAT ENCODING DECODING\) - -FORMAT is symbol describing the encoding/decoding format. It can be -`b64' for base64 encoding, `uu' for uu encoding, or `pack' for simple packing. - -ENCODING and DECODING can be strings, giving commands, or symbols, -giving variables. If they are strings, then they can contain -the \"%s\" format specifier. If that specifier is present, the input -filename will be put into the command line at that spot. If the -specifier is not present, the input should be read from standard -input. - -If they are variables, this variable is a string containing a Perl -implementation for this functionality. This Perl program will be transferred -to the remote host, and it is available as shell function with the same name.") - -(defun tramp-find-inline-encoding (vec) - "Find an inline transfer encoding that works. -Goes through the list `tramp-local-coding-commands' and -`tramp-remote-coding-commands'." - (save-excursion - (let ((local-commands tramp-local-coding-commands) - (magic "xyzzy") - loc-enc loc-dec rem-enc rem-dec litem ritem found) - (while (and local-commands (not found)) - (setq litem (pop local-commands)) - (catch 'wont-work-local - (let ((format (nth 0 litem)) - (remote-commands tramp-remote-coding-commands)) - (setq loc-enc (nth 1 litem)) - (setq loc-dec (nth 2 litem)) - ;; If the local encoder or decoder is a string, the - ;; corresponding command has to work locally. - (if (not (stringp loc-enc)) - (tramp-message - vec 5 "Checking local encoding function `%s'" loc-enc) - (tramp-message - vec 5 "Checking local encoding command `%s' for sanity" loc-enc) - (unless (zerop (tramp-call-local-coding-command - loc-enc nil nil)) - (throw 'wont-work-local nil))) - (if (not (stringp loc-dec)) - (tramp-message - vec 5 "Checking local decoding function `%s'" loc-dec) - (tramp-message - vec 5 "Checking local decoding command `%s' for sanity" loc-dec) - (unless (zerop (tramp-call-local-coding-command - loc-dec nil nil)) - (throw 'wont-work-local nil))) - ;; Search for remote coding commands with the same format - (while (and remote-commands (not found)) - (setq ritem (pop remote-commands)) - (catch 'wont-work-remote - (when (equal format (nth 0 ritem)) - (setq rem-enc (nth 1 ritem)) - (setq rem-dec (nth 2 ritem)) - ;; Check if remote encoding and decoding commands can be - ;; called remotely with null input and output. This makes - ;; sure there are no syntax errors and the command is really - ;; found. Note that we do not redirect stdout to /dev/null, - ;; for two reasons: when checking the decoding command, we - ;; actually check the output it gives. And also, when - ;; redirecting "mimencode" output to /dev/null, then as root - ;; it might change the permissions of /dev/null! - (when (not (stringp rem-enc)) - (let ((name (symbol-name rem-enc))) - (while (string-match (regexp-quote "-") name) - (setq name (replace-match "_" nil t name))) - (tramp-maybe-send-script vec (symbol-value rem-enc) name) - (setq rem-enc name))) - (tramp-message - vec 5 - "Checking remote encoding command `%s' for sanity" rem-enc) - (unless (zerop (tramp-send-command-and-check - vec (format "%s </dev/null" rem-enc) t)) - (throw 'wont-work-remote nil)) - - (when (not (stringp rem-dec)) - (let ((name (symbol-name rem-dec))) - (while (string-match (regexp-quote "-") name) - (setq name (replace-match "_" nil t name))) - (tramp-maybe-send-script vec (symbol-value rem-dec) name) - (setq rem-dec name))) - (tramp-message - vec 5 - "Checking remote decoding command `%s' for sanity" rem-dec) - (unless (zerop (tramp-send-command-and-check - vec - (format "echo %s | %s | %s" - magic rem-enc rem-dec) - t)) - (throw 'wont-work-remote nil)) - - (with-current-buffer (tramp-get-buffer vec) - (goto-char (point-min)) - (unless (looking-at (regexp-quote magic)) - (throw 'wont-work-remote nil))) - - ;; `rem-enc' and `rem-dec' could be a string meanwhile. - (setq rem-enc (nth 1 ritem)) - (setq rem-dec (nth 2 ritem)) - (setq found t))))))) - - ;; Did we find something? - (unless found - (tramp-error - vec 'file-error "Couldn't find an inline transfer encoding")) - - ;; Set connection properties. - (tramp-message vec 5 "Using local encoding `%s'" loc-enc) - (tramp-set-connection-property vec "local-encoding" loc-enc) - (tramp-message vec 5 "Using local decoding `%s'" loc-dec) - (tramp-set-connection-property vec "local-decoding" loc-dec) - (tramp-message vec 5 "Using remote encoding `%s'" rem-enc) - (tramp-set-connection-property vec "remote-encoding" rem-enc) - (tramp-message vec 5 "Using remote decoding `%s'" rem-dec) - (tramp-set-connection-property vec "remote-decoding" rem-dec)))) - -(defun tramp-call-local-coding-command (cmd input output) - "Call the local encoding or decoding command. -If CMD contains \"%s\", provide input file INPUT there in command. -Otherwise, INPUT is passed via standard input. -INPUT can also be nil which means `/dev/null'. -OUTPUT can be a string (which specifies a filename), or t (which -means standard output and thus the current buffer), or nil (which -means discard it)." - (tramp-compat-call-process - tramp-encoding-shell - (when (and input (not (string-match "%s" cmd))) input) - (if (eq output t) t nil) - nil - tramp-encoding-command-switch - (concat - (if (string-match "%s" cmd) (format cmd input) cmd) - (if (stringp output) (concat "> " output) "")))) - -(defconst tramp-inline-compress-commands - '(("gzip" "gzip -d") - ("bzip2" "bzip2 -d") - ("compress" "compress -d")) - "List of compress and decompress commands for inline transfer. -Each item is a list that looks like this: - -\(COMPRESS DECOMPRESS\) - -COMPRESS or DECOMPRESS are strings with the respective commands.") - -(defun tramp-find-inline-compress (vec) - "Find an inline transfer compress command that works. -Goes through the list `tramp-inline-compress-commands'." - (save-excursion - (let ((commands tramp-inline-compress-commands) - (magic "xyzzy") - item compress decompress - found) - (while (and commands (not found)) - (catch 'next - (setq item (pop commands) - compress (nth 0 item) - decompress (nth 1 item)) - (tramp-message - vec 5 - "Checking local compress command `%s', `%s' for sanity" - compress decompress) - (unless (zerop (tramp-call-local-coding-command - (format "echo %s | %s | %s" - magic compress decompress) nil nil)) - (throw 'next nil)) - (tramp-message - vec 5 - "Checking remote compress command `%s', `%s' for sanity" - compress decompress) - (unless (zerop (tramp-send-command-and-check - vec (format "echo %s | %s | %s" - magic compress decompress) t)) - (throw 'next nil)) - (setq found t))) - - ;; Did we find something? - (if found - (progn - ;; Set connection properties. - (tramp-message - vec 5 "Using inline transfer compress command `%s'" compress) - (tramp-set-connection-property vec "inline-compress" compress) - (tramp-message - vec 5 "Using inline transfer decompress command `%s'" decompress) - (tramp-set-connection-property vec "inline-decompress" decompress)) - - (tramp-set-connection-property vec "inline-compress" nil) - (tramp-set-connection-property vec "inline-decompress" nil) - (tramp-message - vec 2 "Couldn't find an inline transfer compress command"))))) - -(defun tramp-compute-multi-hops (vec) - "Expands VEC according to `tramp-default-proxies-alist'. -Gateway hops are already opened." - (let ((target-alist `(,vec)) - (choices tramp-default-proxies-alist) - item proxy) - - ;; Look for proxy hosts to be passed. - (while choices - (setq item (pop choices) - proxy (eval (nth 2 item))) - (when (and - ;; host - (string-match (or (eval (nth 0 item)) "") - (or (tramp-file-name-host (car target-alist)) "")) - ;; user - (string-match (or (eval (nth 1 item)) "") - (or (tramp-file-name-user (car target-alist)) ""))) - (if (null proxy) - ;; No more hops needed. - (setq choices nil) - ;; Replace placeholders. - (setq proxy - (format-spec - proxy - (format-spec-make - ?u (or (tramp-file-name-user (car target-alist)) "") - ?h (or (tramp-file-name-host (car target-alist)) "")))) - (with-parsed-tramp-file-name proxy l - ;; Add the hop. - (add-to-list 'target-alist l) - ;; Start next search. - (setq choices tramp-default-proxies-alist))))) - - ;; Handle gateways. - (when (string-match - (format - "^\\(%s\\|%s\\)$" tramp-gw-tunnel-method tramp-gw-socks-method) - (tramp-file-name-method (car target-alist))) - (let ((gw (pop target-alist)) - (hop (pop target-alist))) - ;; Is the method prepared for gateways? - (unless (tramp-get-method-parameter - (tramp-file-name-method hop) 'tramp-default-port) - (tramp-error - vec 'file-error - "Method `%s' is not supported for gateway access." - (tramp-file-name-method hop))) - ;; Add default port if needed. - (unless - (string-match - tramp-host-with-port-regexp (tramp-file-name-host hop)) - (aset hop 2 - (concat - (tramp-file-name-host hop) tramp-prefix-port-format - (number-to-string - (tramp-get-method-parameter - (tramp-file-name-method hop) 'tramp-default-port))))) - ;; Open the gateway connection. - (add-to-list - 'target-alist - (vector - (tramp-file-name-method hop) (tramp-file-name-user hop) - (tramp-compat-funcall 'tramp-gw-open-connection vec gw hop) nil)) - ;; For the password prompt, we need the correct values. - ;; Therefore, we must remember the gateway vector. But we - ;; cannot do it as connection property, because it shouldn't - ;; be persistent. And we have no started process yet either. - (tramp-set-file-property (car target-alist) "" "gateway" hop))) - - ;; Foreign and out-of-band methods are not supported for multi-hops. - (when (cdr target-alist) - (setq choices target-alist) - (while choices - (setq item (pop choices)) - (when - (or - (not - (tramp-get-method-parameter - (tramp-file-name-method item) 'tramp-login-program)) - (tramp-get-method-parameter - (tramp-file-name-method item) 'tramp-copy-program)) - (tramp-error - vec 'file-error - "Method `%s' is not supported for multi-hops." - (tramp-file-name-method item))))) - - ;; In case the host name is not used for the remote shell - ;; command, the user could be misguided by applying a random - ;; hostname. - (let* ((v (car target-alist)) - (method (tramp-file-name-method v)) - (host (tramp-file-name-host v))) - (unless - (or - ;; There are multi-hops. - (cdr target-alist) - ;; The host name is used for the remote shell command. - (member - '("%h") (tramp-get-method-parameter method 'tramp-login-args)) - ;; The host is local. We cannot use `tramp-local-host-p' - ;; here, because it opens a connection as well. - (string-match tramp-local-host-regexp host)) - (tramp-error - v 'file-error - "Host `%s' looks like a remote host, `%s' can only use the local host" - host method))) - - ;; Result. - target-alist)) - -(defun tramp-maybe-open-connection (vec) - "Maybe open a connection VEC. -Does not do anything if a connection is already open, but re-opens the -connection if a previous connection has died for some reason." - (catch 'uname-changed - (let ((p (tramp-get-connection-process vec)) - (process-name (tramp-get-connection-property vec "process-name" nil)) - (process-environment (copy-sequence process-environment))) - - ;; If too much time has passed since last command was sent, look - ;; whether process is still alive. If it isn't, kill it. When - ;; using ssh, it can sometimes happen that the remote end has - ;; hung up but the local ssh client doesn't recognize this until - ;; it tries to send some data to the remote end. So that's why - ;; we try to send a command from time to time, then look again - ;; whether the process is really alive. - (condition-case nil - (when (and (> (tramp-time-diff - (current-time) - (tramp-get-connection-property - p "last-cmd-time" '(0 0 0))) - 60) - p (processp p) (memq (process-status p) '(run open))) - (tramp-send-command vec "echo are you awake" t t) - (unless (and (memq (process-status p) '(run open)) - (tramp-wait-for-output p 10)) - ;; The error will be catched locally. - (tramp-error vec 'file-error "Awake did fail"))) - (file-error - (tramp-flush-connection-property vec) - (tramp-flush-connection-property p) - (delete-process p) - (setq p nil))) - - ;; New connection must be opened. - (unless (and p (processp p) (memq (process-status p) '(run open))) - - ;; We call `tramp-get-buffer' in order to get a debug buffer for - ;; messages from the beginning. - (tramp-get-buffer vec) - (with-progress-reporter - vec 3 - (if (zerop (length (tramp-file-name-user vec))) - (format "Opening connection for %s using %s" - (tramp-file-name-host vec) - (tramp-file-name-method vec)) - (format "Opening connection for %s@%s using %s" - (tramp-file-name-user vec) - (tramp-file-name-host vec) - (tramp-file-name-method vec))) - - ;; Start new process. - (when (and p (processp p)) - (delete-process p)) - (setenv "TERM" tramp-terminal-type) - (setenv "LC_ALL" "C") - (setenv "PROMPT_COMMAND") - (setenv "PS1" tramp-initial-end-of-output) - (let* ((target-alist (tramp-compute-multi-hops vec)) - (process-connection-type tramp-process-connection-type) - (process-adaptive-read-buffering nil) - (coding-system-for-read nil) - ;; This must be done in order to avoid our file name handler. - (p (let ((default-directory - (tramp-compat-temporary-file-directory))) - (start-process - (or process-name (tramp-buffer-name vec)) - (tramp-get-connection-buffer vec) - tramp-encoding-shell)))) - - (tramp-message - vec 6 "%s" (mapconcat 'identity (process-command p) " ")) - - ;; Check whether process is alive. - (tramp-set-process-query-on-exit-flag p nil) - (tramp-barf-if-no-shell-prompt - p 60 "Couldn't find local shell prompt %s" tramp-encoding-shell) - - ;; Now do all the connections as specified. - (while target-alist - (let* ((hop (car target-alist)) - (l-method (tramp-file-name-method hop)) - (l-user (tramp-file-name-user hop)) - (l-host (tramp-file-name-host hop)) - (l-port nil) - (login-program - (tramp-get-method-parameter - l-method 'tramp-login-program)) - (login-args - (tramp-get-method-parameter l-method 'tramp-login-args)) - (async-args - (tramp-get-method-parameter l-method 'tramp-async-args)) - (gw-args - (tramp-get-method-parameter l-method 'tramp-gw-args)) - (gw (tramp-get-file-property hop "" "gateway" nil)) - (g-method (and gw (tramp-file-name-method gw))) - (g-user (and gw (tramp-file-name-user gw))) - (g-host (and gw (tramp-file-name-host gw))) - (command login-program) - ;; We don't create the temporary file. In fact, - ;; it is just a prefix for the ControlPath option - ;; of ssh; the real temporary file has another - ;; name, and it is created and protected by ssh. - ;; It is also removed by ssh, when the connection - ;; is closed. - (tmpfile - (tramp-set-connection-property - p "temp-file" - (make-temp-name - (expand-file-name - tramp-temp-name-prefix - (tramp-compat-temporary-file-directory))))) - spec) - - ;; Add arguments for asynchrononous processes. - (when (and process-name async-args) - (setq login-args (append async-args login-args))) - - ;; Add gateway arguments if necessary. - (when (and gw gw-args) - (setq login-args (append gw-args login-args))) - - ;; Check for port number. Until now, there's no need - ;; for handling like method, user, host. - (when (string-match tramp-host-with-port-regexp l-host) - (setq l-port (match-string 2 l-host) - l-host (match-string 1 l-host))) - - ;; Set variables for computing the prompt for reading - ;; password. They can also be derived from a gateway. - (setq tramp-current-method (or g-method l-method) - tramp-current-user (or g-user l-user) - tramp-current-host (or g-host l-host)) - - ;; Replace login-args place holders. - (setq - l-host (or l-host "") - l-user (or l-user "") - l-port (or l-port "") - spec (format-spec-make - ?h l-host ?u l-user ?p l-port ?t tmpfile) - command - (concat - ;; We do not want to see the trailing local prompt in - ;; `start-file-process'. - (unless (memq system-type '(windows-nt)) "exec ") - command " " - (mapconcat - (lambda (x) - (setq x (mapcar (lambda (y) (format-spec y spec)) x)) - (unless (member "" x) (mapconcat 'identity x " "))) - login-args " ") - ;; Local shell could be a Windows COMSPEC. It - ;; doesn't know the ";" syntax, but we must exit - ;; always for `start-file-process'. "exec" does not - ;; work either. - (if (memq system-type '(windows-nt)) " && exit || exit"))) - - ;; Send the command. - (tramp-message vec 3 "Sending command `%s'" command) - (tramp-send-command vec command t t) - (tramp-process-actions p vec tramp-actions-before-shell 60) - (tramp-message - vec 3 "Found remote shell prompt on `%s'" l-host)) - ;; Next hop. - (setq target-alist (cdr target-alist))) - - ;; Make initial shell settings. - (tramp-open-connection-setup-interactive-shell p vec))))))) - -(defun tramp-send-command (vec command &optional neveropen nooutput) - "Send the COMMAND to connection VEC. -Erases temporary buffer before sending the command. If optional -arg NEVEROPEN is non-nil, never try to open the connection. This -is meant to be used from `tramp-maybe-open-connection' only. The -function waits for output unless NOOUTPUT is set." - (unless neveropen (tramp-maybe-open-connection vec)) - (let ((p (tramp-get-connection-process vec))) - (when (tramp-get-connection-property p "remote-echo" nil) - ;; We mark the command string that it can be erased in the output buffer. - (tramp-set-connection-property p "check-remote-echo" t) - (setq command (format "%s%s%s" tramp-echo-mark command tramp-echo-mark))) - (tramp-message vec 6 "%s" command) - (tramp-send-string vec command) - (unless nooutput (tramp-wait-for-output p)))) - -(defun tramp-wait-for-output (proc &optional timeout) - "Wait for output from remote command." - (unless (buffer-live-p (process-buffer proc)) - (delete-process proc) - (tramp-error proc 'file-error "Process `%s' not available, try again" proc)) - (with-current-buffer (process-buffer proc) - (let* (;; Initially, `tramp-end-of-output' is "#$ ". There might - ;; be leading escape sequences, which must be ignored. - (regexp (format "[^#$\n]*%s\r?$" (regexp-quote tramp-end-of-output))) - ;; Sometimes, the commands do not return a newline but a - ;; null byte before the shell prompt, for example "git - ;; ls-files -c -z ...". - (regexp1 (format "\\(^\\|\000\\)%s" regexp)) - (found (tramp-wait-for-regexp proc timeout regexp1))) - (if found - (let (buffer-read-only) - ;; A simple-minded busybox has sent " ^H" sequences. - ;; Delete them. - (goto-char (point-min)) - (when (re-search-forward - "^\\(.\b\\)+$" (tramp-compat-line-end-position) t) - (forward-line 1) - (delete-region (point-min) (point))) - ;; Delete the prompt. - (goto-char (point-max)) - (re-search-backward regexp nil t) - (delete-region (point) (point-max))) - (if timeout - (tramp-error - proc 'file-error - "[[Remote prompt `%s' not found in %d secs]]" - tramp-end-of-output timeout) - (tramp-error - proc 'file-error - "[[Remote prompt `%s' not found]]" tramp-end-of-output))) - ;; Return value is whether end-of-output sentinel was found. - found))) - -;;;###tramp-autoload -(defun tramp-send-command-and-check - (vec command &optional subshell dont-suppress-err) - "Run COMMAND and check its exit status. -Sends `echo $?' along with the COMMAND for checking the exit status. If -COMMAND is nil, just sends `echo $?'. Returns the exit status found. - -If the optional argument SUBSHELL is non-nil, the command is -executed in a subshell, ie surrounded by parentheses. If -DONT-SUPPRESS-ERR is non-nil, stderr won't be sent to /dev/null." - (tramp-send-command - vec - (concat (if subshell "( " "") - command - (if command (if dont-suppress-err "; " " 2>/dev/null; ") "") - "echo tramp_exit_status $?" - (if subshell " )" ""))) - (with-current-buffer (tramp-get-connection-buffer vec) - (goto-char (point-max)) - (unless (re-search-backward "tramp_exit_status [0-9]+" nil t) - (tramp-error - vec 'file-error "Couldn't find exit status of `%s'" command)) - (skip-chars-forward "^ ") - (prog1 - (read (current-buffer)) - (let (buffer-read-only) (delete-region (match-beginning 0) (point-max)))))) - -(defun tramp-barf-unless-okay (vec command fmt &rest args) - "Run COMMAND, check exit status, throw error if exit status not okay. -Similar to `tramp-send-command-and-check' but accepts two more arguments -FMT and ARGS which are passed to `error'." - (unless (zerop (tramp-send-command-and-check vec command)) - (apply 'tramp-error vec 'file-error fmt args))) - -(defun tramp-send-command-and-read (vec command) - "Run COMMAND and return the output, which must be a Lisp expression. -In case there is no valid Lisp expression, it raises an error" - (tramp-barf-unless-okay vec command "`%s' returns with error" command) - (with-current-buffer (tramp-get-connection-buffer vec) - ;; Read the expression. - (goto-char (point-min)) - (condition-case nil - (prog1 (read (current-buffer)) - ;; Error handling. - (when (re-search-forward "\\S-" (tramp-compat-line-end-position) t) - (error nil))) - (error (tramp-error - vec 'file-error - "`%s' does not return a valid Lisp expression: `%s'" - command (buffer-string)))))) - ;; It seems that Tru64 Unix does not like it if long strings are sent ;; to it in one go. (This happens when sending the Perl ;; `file-attributes' implementation, for instance.) Therefore, we @@ -7838,181 +2850,6 @@ the remote host use line-endings as defined in the variable (setq pos (+ pos chunksize)))) (process-send-string p string))))) -(defun tramp-mode-string-to-int (mode-string) - "Converts a ten-letter `drwxrwxrwx'-style mode string into mode bits." - (let* (case-fold-search - (mode-chars (string-to-vector mode-string)) - (owner-read (aref mode-chars 1)) - (owner-write (aref mode-chars 2)) - (owner-execute-or-setid (aref mode-chars 3)) - (group-read (aref mode-chars 4)) - (group-write (aref mode-chars 5)) - (group-execute-or-setid (aref mode-chars 6)) - (other-read (aref mode-chars 7)) - (other-write (aref mode-chars 8)) - (other-execute-or-sticky (aref mode-chars 9))) - (save-match-data - (logior - (cond - ((char-equal owner-read ?r) (tramp-compat-octal-to-decimal "00400")) - ((char-equal owner-read ?-) 0) - (t (error "Second char `%c' must be one of `r-'" owner-read))) - (cond - ((char-equal owner-write ?w) (tramp-compat-octal-to-decimal "00200")) - ((char-equal owner-write ?-) 0) - (t (error "Third char `%c' must be one of `w-'" owner-write))) - (cond - ((char-equal owner-execute-or-setid ?x) - (tramp-compat-octal-to-decimal "00100")) - ((char-equal owner-execute-or-setid ?S) - (tramp-compat-octal-to-decimal "04000")) - ((char-equal owner-execute-or-setid ?s) - (tramp-compat-octal-to-decimal "04100")) - ((char-equal owner-execute-or-setid ?-) 0) - (t (error "Fourth char `%c' must be one of `xsS-'" - owner-execute-or-setid))) - (cond - ((char-equal group-read ?r) (tramp-compat-octal-to-decimal "00040")) - ((char-equal group-read ?-) 0) - (t (error "Fifth char `%c' must be one of `r-'" group-read))) - (cond - ((char-equal group-write ?w) (tramp-compat-octal-to-decimal "00020")) - ((char-equal group-write ?-) 0) - (t (error "Sixth char `%c' must be one of `w-'" group-write))) - (cond - ((char-equal group-execute-or-setid ?x) - (tramp-compat-octal-to-decimal "00010")) - ((char-equal group-execute-or-setid ?S) - (tramp-compat-octal-to-decimal "02000")) - ((char-equal group-execute-or-setid ?s) - (tramp-compat-octal-to-decimal "02010")) - ((char-equal group-execute-or-setid ?-) 0) - (t (error "Seventh char `%c' must be one of `xsS-'" - group-execute-or-setid))) - (cond - ((char-equal other-read ?r) - (tramp-compat-octal-to-decimal "00004")) - ((char-equal other-read ?-) 0) - (t (error "Eighth char `%c' must be one of `r-'" other-read))) - (cond - ((char-equal other-write ?w) (tramp-compat-octal-to-decimal "00002")) - ((char-equal other-write ?-) 0) - (t (error "Nineth char `%c' must be one of `w-'" other-write))) - (cond - ((char-equal other-execute-or-sticky ?x) - (tramp-compat-octal-to-decimal "00001")) - ((char-equal other-execute-or-sticky ?T) - (tramp-compat-octal-to-decimal "01000")) - ((char-equal other-execute-or-sticky ?t) - (tramp-compat-octal-to-decimal "01001")) - ((char-equal other-execute-or-sticky ?-) 0) - (t (error "Tenth char `%c' must be one of `xtT-'" - other-execute-or-sticky))))))) - -(defun tramp-convert-file-attributes (vec attr) - "Convert file-attributes ATTR generated by perl script, stat or ls. -Convert file mode bits to string and set virtual device number. -Return ATTR." - (when attr - ;; Convert last access time. - (unless (listp (nth 4 attr)) - (setcar (nthcdr 4 attr) - (list (floor (nth 4 attr) 65536) - (floor (mod (nth 4 attr) 65536))))) - ;; Convert last modification time. - (unless (listp (nth 5 attr)) - (setcar (nthcdr 5 attr) - (list (floor (nth 5 attr) 65536) - (floor (mod (nth 5 attr) 65536))))) - ;; Convert last status change time. - (unless (listp (nth 6 attr)) - (setcar (nthcdr 6 attr) - (list (floor (nth 6 attr) 65536) - (floor (mod (nth 6 attr) 65536))))) - ;; Convert file size. - (when (< (nth 7 attr) 0) - (setcar (nthcdr 7 attr) -1)) - (when (and (floatp (nth 7 attr)) - (<= (nth 7 attr) (tramp-compat-most-positive-fixnum))) - (setcar (nthcdr 7 attr) (round (nth 7 attr)))) - ;; Convert file mode bits to string. - (unless (stringp (nth 8 attr)) - (setcar (nthcdr 8 attr) (tramp-file-mode-from-int (nth 8 attr))) - (when (stringp (car attr)) - (aset (nth 8 attr) 0 ?l))) - ;; Convert directory indication bit. - (when (string-match "^d" (nth 8 attr)) - (setcar attr t)) - ;; Convert symlink from `tramp-do-file-attributes-with-stat'. - (when (consp (car attr)) - (if (and (stringp (caar attr)) - (string-match ".+ -> .\\(.+\\)." (caar attr))) - (setcar attr (match-string 1 (caar attr))) - (setcar attr nil))) - ;; Set file's gid change bit. - (setcar (nthcdr 9 attr) - (if (numberp (nth 3 attr)) - (not (= (nth 3 attr) - (tramp-get-remote-gid vec 'integer))) - (not (string-equal - (nth 3 attr) - (tramp-get-remote-gid vec 'string))))) - ;; Convert inode. - (unless (listp (nth 10 attr)) - (setcar (nthcdr 10 attr) - (condition-case nil - (cons (floor (nth 10 attr) 65536) - (floor (mod (nth 10 attr) 65536))) - ;; Inodes can be incredible huge. We must hide this. - (error (tramp-get-inode vec))))) - ;; Set virtual device number. - (setcar (nthcdr 11 attr) - (tramp-get-device vec)) - attr)) - -(defun tramp-check-cached-permissions (vec access) - "Check `file-attributes' caches for VEC. -Return t if according to the cache access type ACCESS is known to -be granted." - (let ((result nil) - (offset (cond - ((eq ?r access) 1) - ((eq ?w access) 2) - ((eq ?x access) 3)))) - (dolist (suffix '("string" "integer") result) - (setq - result - (or - result - (let ((file-attr - (tramp-get-file-property - vec (tramp-file-name-localname vec) - (concat "file-attributes-" suffix) nil)) - (remote-uid - (tramp-get-connection-property - vec (concat "uid-" suffix) nil)) - (remote-gid - (tramp-get-connection-property - vec (concat "gid-" suffix) nil))) - (and - file-attr - (or - ;; Not a symlink - (eq t (car file-attr)) - (null (car file-attr))) - (or - ;; World accessible. - (eq access (aref (nth 8 file-attr) (+ offset 6))) - ;; User accessible and owned by user. - (and - (eq access (aref (nth 8 file-attr) offset)) - (equal remote-uid (nth 2 file-attr))) - ;; Group accessible and owned by user's - ;; principal group. - (and - (eq access (aref (nth 8 file-attr) (+ offset 3))) - (equal remote-gid (nth 3 file-attr))))))))))) - (defun tramp-get-inode (vec) "Returns the virtual inode number. If it doesn't exist, generate a new one." @@ -8039,42 +2876,6 @@ If it doesn't exist, generate a new one." (list string (length tramp-devices)))) (cons -1 (nth 1 (assoc string tramp-devices))))) -(defun tramp-file-mode-from-int (mode) - "Turn an integer representing a file mode into an ls(1)-like string." - (let ((type (cdr (assoc (logand (lsh mode -12) 15) tramp-file-mode-type-map))) - (user (logand (lsh mode -6) 7)) - (group (logand (lsh mode -3) 7)) - (other (logand (lsh mode -0) 7)) - (suid (> (logand (lsh mode -9) 4) 0)) - (sgid (> (logand (lsh mode -9) 2) 0)) - (sticky (> (logand (lsh mode -9) 1) 0))) - (setq user (tramp-file-mode-permissions user suid "s")) - (setq group (tramp-file-mode-permissions group sgid "s")) - (setq other (tramp-file-mode-permissions other sticky "t")) - (concat type user group other))) - -(defun tramp-file-mode-permissions (perm suid suid-text) - "Convert a permission bitset into a string. -This is used internally by `tramp-file-mode-from-int'." - (let ((r (> (logand perm 4) 0)) - (w (> (logand perm 2) 0)) - (x (> (logand perm 1) 0))) - (concat (or (and r "r") "-") - (or (and w "w") "-") - (or (and suid x suid-text) ; suid, execute - (and suid (upcase suid-text)) ; suid, !execute - (and x "x") "-")))) ; !suid - -(defun tramp-shell-case-fold (string) - "Converts STRING to shell glob pattern which ignores case." - (mapconcat - (lambda (c) - (if (equal (downcase c) (upcase c)) - (vector c) - (format "[%c%c]" (downcase c) (upcase c)))) - string - "")) - (defun tramp-equal-remote (file1 file2) "Check, whether the remote parts of FILE1 and FILE2 are identical. The check depends on method, user and host name of the files. If @@ -8093,395 +2894,6 @@ would yield `t'. On the other hand, the following check results in nil: (stringp (file-remote-p file2)) (string-equal (file-remote-p file1) (file-remote-p file2)))) -(defun tramp-make-copy-program-file-name (vec) - "Create a file name suitable to be passed to `rcp' and workalikes." - (let ((user (tramp-file-name-user vec)) - (host (tramp-file-name-real-host vec)) - (localname (tramp-shell-quote-argument - (tramp-file-name-localname vec)))) - (if (not (zerop (length user))) - (format "%s@%s:%s" user host localname) - (format "%s:%s" host localname)))) - -(defun tramp-method-out-of-band-p (vec size) - "Return t if this is an out-of-band method, nil otherwise." - (and - ;; It shall be an out-of-band method. - (tramp-get-method-parameter (tramp-file-name-method vec) 'tramp-copy-program) - ;; Either the file size is large enough, or (in rare cases) there - ;; does not exist a remote encoding. - (or (null tramp-copy-size-limit) - (> size tramp-copy-size-limit) - (null (tramp-get-inline-coding vec "remote-encoding" size))))) - -(defun tramp-local-host-p (vec) - "Return t if this points to the local host, nil otherwise." - ;; We cannot use `tramp-file-name-real-host'. A port is an - ;; indication for an ssh tunnel or alike. - (let ((host (tramp-file-name-host vec))) - (and - (stringp host) - (string-match tramp-local-host-regexp host) - ;; The method shall be applied to one of the shell file name - ;; handler. `tramp-local-host-p' is also called for "smb" and - ;; alike, where it must fail. - (tramp-get-method-parameter - (tramp-file-name-method vec) 'tramp-login-program) - ;; The local temp directory must be writable for the other user. - (file-writable-p - (tramp-make-tramp-file-name - (tramp-file-name-method vec) - (tramp-file-name-user vec) - host - (tramp-compat-temporary-file-directory))) - ;; On some systems, chown runs only for root. - (or (zerop (user-uid)) - (zerop (tramp-get-remote-uid vec 'integer)))))) - -;; Variables local to connection. - -;;;###tramp-autoload -(defun tramp-get-remote-path (vec) - (with-connection-property - ;; When `tramp-own-remote-path' is in `tramp-remote-path', we - ;; cache the result for the session only. Otherwise, the result - ;; is cached persistently. - (if (memq 'tramp-own-remote-path tramp-remote-path) - (tramp-get-connection-process vec) - vec) - "remote-path" - (let* ((remote-path (copy-tree tramp-remote-path)) - (elt1 (memq 'tramp-default-remote-path remote-path)) - (elt2 (memq 'tramp-own-remote-path remote-path)) - (default-remote-path - (when elt1 - (condition-case nil - (tramp-send-command-and-read - vec "echo \\\"`getconf PATH`\\\"") - ;; Default if "getconf" is not available. - (error - (tramp-message - vec 3 - "`getconf PATH' not successful, using default value \"%s\"." - "/bin:/usr/bin") - "/bin:/usr/bin")))) - (own-remote-path - (when elt2 - (condition-case nil - (tramp-send-command-and-read vec "echo \\\"$PATH\\\"") - ;; Default if "getconf" is not available. - (error - (tramp-message - vec 3 "$PATH not set, ignoring `tramp-own-remote-path'.") - nil))))) - - ;; Replace place holder `tramp-default-remote-path'. - (when elt1 - (setcdr elt1 - (append - (tramp-compat-split-string default-remote-path ":") - (cdr elt1))) - (setq remote-path (delq 'tramp-default-remote-path remote-path))) - - ;; Replace place holder `tramp-own-remote-path'. - (when elt2 - (setcdr elt2 - (append - (tramp-compat-split-string own-remote-path ":") - (cdr elt2))) - (setq remote-path (delq 'tramp-own-remote-path remote-path))) - - ;; Remove double entries. - (setq elt1 remote-path) - (while (consp elt1) - (while (and (car elt1) (setq elt2 (member (car elt1) (cdr elt1)))) - (setcar elt2 nil)) - (setq elt1 (cdr elt1))) - - ;; Remove non-existing directories. - (delq - nil - (mapcar - (lambda (x) - (and - (stringp x) - (file-directory-p - (tramp-make-tramp-file-name - (tramp-file-name-method vec) - (tramp-file-name-user vec) - (tramp-file-name-host vec) - x)) - x)) - remote-path))))) - -;;;###tramp-autoload -(defun tramp-get-remote-tmpdir (vec) - (with-connection-property vec "tmp-directory" - (let ((dir (tramp-shell-quote-argument "/tmp"))) - (if (and (zerop - (tramp-send-command-and-check - vec (format "%s -d %s" (tramp-get-test-command vec) dir))) - (zerop - (tramp-send-command-and-check - vec (format "%s -w %s" (tramp-get-test-command vec) dir)))) - dir - (tramp-error vec 'file-error "Directory %s not accessible" dir))))) - -(defun tramp-get-ls-command (vec) - (with-connection-property vec "ls" - (tramp-message vec 5 "Finding a suitable `ls' command") - (or - (catch 'ls-found - (dolist (cmd '("ls" "gnuls" "gls")) - (let ((dl (tramp-get-remote-path vec)) - result) - (while (and dl (setq result (tramp-find-executable vec cmd dl t t))) - ;; Check parameters. On busybox, "ls" output coloring is - ;; enabled by default sometimes. So we try to disable it - ;; when possible. $LS_COLORING is not supported there. - ;; Some "ls" versions are sensible wrt the order of - ;; arguments, they fail when "-al" is after the - ;; "--color=never" argument (for example on FreeBSD). - (when (zerop (tramp-send-command-and-check - vec (format "%s -lnd /" result))) - (when (zerop (tramp-send-command-and-check - vec (format - "%s --color=never -al /dev/null" result))) - (setq result (concat result " --color=never"))) - (throw 'ls-found result)) - (setq dl (cdr dl)))))) - (tramp-error vec 'file-error "Couldn't find a proper `ls' command")))) - -(defun tramp-get-ls-command-with-dired (vec) - (save-match-data - (with-connection-property vec "ls-dired" - (tramp-message vec 5 "Checking, whether `ls --dired' works") - ;; Some "ls" versions are sensible wrt the order of arguments, - ;; they fail when "-al" is after the "--dired" argument (for - ;; example on FreeBSD). - (zerop (tramp-send-command-and-check - vec (format "%s --dired -al /dev/null" - (tramp-get-ls-command vec))))))) - -(defun tramp-get-test-command (vec) - (with-connection-property vec "test" - (tramp-message vec 5 "Finding a suitable `test' command") - (if (zerop (tramp-send-command-and-check vec "test 0")) - "test" - (tramp-find-executable vec "test" (tramp-get-remote-path vec))))) - -(defun tramp-get-test-nt-command (vec) - ;; Does `test A -nt B' work? Use abominable `find' construct if it - ;; doesn't. BSD/OS 4.0 wants the parentheses around the command, - ;; for otherwise the shell crashes. - (with-connection-property vec "test-nt" - (or - (progn - (tramp-send-command - vec (format "( %s / -nt / )" (tramp-get-test-command vec))) - (with-current-buffer (tramp-get-buffer vec) - (goto-char (point-min)) - (when (looking-at (regexp-quote tramp-end-of-output)) - (format "%s %%s -nt %%s" (tramp-get-test-command vec))))) - (progn - (tramp-send-command - vec - (format - "tramp_test_nt () {\n%s -n \"`find $1 -prune -newer $2 -print`\"\n}" - (tramp-get-test-command vec))) - "tramp_test_nt %s %s")))) - -(defun tramp-get-file-exists-command (vec) - (with-connection-property vec "file-exists" - (tramp-message vec 5 "Finding command to check if file exists") - (tramp-find-file-exists-command vec))) - -;;;###tramp-autoload -(defun tramp-get-remote-ln (vec) - (with-connection-property vec "ln" - (tramp-message vec 5 "Finding a suitable `ln' command") - (tramp-find-executable vec "ln" (tramp-get-remote-path vec)))) - -(defun tramp-get-remote-perl (vec) - (with-connection-property vec "perl" - (tramp-message vec 5 "Finding a suitable `perl' command") - (let ((result - (or (tramp-find-executable vec "perl5" (tramp-get-remote-path vec)) - (tramp-find-executable - vec "perl" (tramp-get-remote-path vec))))) - ;; We must check also for some Perl modules. - (when result - (with-connection-property vec "perl-file-spec" - (zerop - (tramp-send-command-and-check - vec (format "%s -e 'use File::Spec;'" result)))) - (with-connection-property vec "perl-cwd-realpath" - (zerop - (tramp-send-command-and-check - vec (format "%s -e 'use Cwd \"realpath\";'" result))))) - result))) - -(defun tramp-get-remote-stat (vec) - (with-connection-property vec "stat" - (tramp-message vec 5 "Finding a suitable `stat' command") - (let ((result (tramp-find-executable - vec "stat" (tramp-get-remote-path vec))) - tmp) - ;; Check whether stat(1) returns usable syntax. %s does not - ;; work on older AIX systems. - (when result - (setq tmp - ;; We don't want to display an error message. - (with-temp-message (or (current-message) "") - (condition-case nil - (tramp-send-command-and-read - vec (format "%s -c '(\"%%N\" %%s)' /" result)) - (error nil)))) - (unless (and (listp tmp) (stringp (car tmp)) - (string-match "^./.$" (car tmp)) - (integerp (cadr tmp))) - (setq result nil))) - result))) - -(defun tramp-get-remote-readlink (vec) - (with-connection-property vec "readlink" - (tramp-message vec 5 "Finding a suitable `readlink' command") - (let ((result (tramp-find-executable - vec "readlink" (tramp-get-remote-path vec)))) - (when (and result - ;; We don't want to display an error message. - (with-temp-message (or (current-message) "") - (condition-case nil - (zerop - (tramp-send-command-and-check - vec (format "%s --canonicalize-missing /" result))) - (error nil)))) - result)))) - -(defun tramp-get-remote-trash (vec) - (with-connection-property vec "trash" - (tramp-message vec 5 "Finding a suitable `trash' command") - (tramp-find-executable vec "trash" (tramp-get-remote-path vec)))) - -(defun tramp-get-remote-id (vec) - (with-connection-property vec "id" - (tramp-message vec 5 "Finding POSIX `id' command") - (or - (catch 'id-found - (let ((dl (tramp-get-remote-path vec)) - result) - (while (and dl (setq result (tramp-find-executable vec "id" dl t t))) - ;; Check POSIX parameter. - (when (zerop (tramp-send-command-and-check - vec (format "%s -u" result))) - (throw 'id-found result)) - (setq dl (cdr dl))))) - (tramp-error vec 'file-error "Couldn't find a POSIX `id' command")))) - -(defun tramp-get-remote-uid (vec id-format) - (with-connection-property vec (format "uid-%s" id-format) - (let ((res (tramp-send-command-and-read - vec - (format "%s -u%s %s" - (tramp-get-remote-id vec) - (if (equal id-format 'integer) "" "n") - (if (equal id-format 'integer) - "" "| sed -e s/^/\\\"/ -e s/\$/\\\"/"))))) - ;; The command might not always return a number. - (if (and (equal id-format 'integer) (not (integerp res))) -1 res)))) - -(defun tramp-get-remote-gid (vec id-format) - (with-connection-property vec (format "gid-%s" id-format) - (let ((res (tramp-send-command-and-read - vec - (format "%s -g%s %s" - (tramp-get-remote-id vec) - (if (equal id-format 'integer) "" "n") - (if (equal id-format 'integer) - "" "| sed -e s/^/\\\"/ -e s/\$/\\\"/"))))) - ;; The command might not always return a number. - (if (and (equal id-format 'integer) (not (integerp res))) -1 res)))) - -(defun tramp-get-local-uid (id-format) - (if (equal id-format 'integer) (user-uid) (user-login-name))) - -(defun tramp-get-local-gid (id-format) - (nth 3 (tramp-compat-file-attributes "~/" id-format))) - -;; Some predefined connection properties. -(defun tramp-get-inline-compress (vec prop size) - "Return the compress command related to PROP. -PROP is either `inline-compress' or `inline-decompress'. SIZE is -the length of the file to be compressed. - -If no corresponding command is found, nil is returned." - (when (and (integerp tramp-inline-compress-start-size) - (> size tramp-inline-compress-start-size)) - (with-connection-property vec prop - (tramp-find-inline-compress vec) - (tramp-get-connection-property vec prop nil)))) - -(defun tramp-get-inline-coding (vec prop size) - "Return the coding command related to PROP. -PROP is either `remote-encoding', `remode-decoding', -`local-encoding' or `local-decoding'. - -SIZE is the length of the file to be coded. Depending on SIZE, -compression might be applied. - -If no corresponding command is found, nil is returned. -Otherwise, either a string is returned which contains a `%s' mark -to be used for the respective input or output file; or a Lisp -function cell is returned to be applied on a buffer." - (let ((coding - (with-connection-property vec prop - (tramp-find-inline-encoding vec) - (tramp-get-connection-property vec prop nil))) - (prop1 (if (string-match "encoding" prop) - "inline-compress" "inline-decompress")) - compress) - ;; The connection property might have been cached. So we must send - ;; the script to the remote side - maybe. - (when (and coding (symbolp coding) (string-match "remote" prop)) - (let ((name (symbol-name coding))) - (while (string-match (regexp-quote "-") name) - (setq name (replace-match "_" nil t name))) - (tramp-maybe-send-script vec (symbol-value coding) name) - (setq coding name))) - (when coding - ;; Check for the `compress' command. - (setq compress (tramp-get-inline-compress vec prop1 size)) - ;; Return the value. - (cond - ((and compress (symbolp coding)) - (if (string-match "decompress" prop1) - `(lambda (beg end) - (,coding beg end) - (let ((coding-system-for-write 'binary) - (coding-system-for-read 'binary)) - (apply - 'call-process-region (point-min) (point-max) - (car (split-string ,compress)) t t nil - (cdr (split-string ,compress))))) - `(lambda (beg end) - (let ((coding-system-for-write 'binary) - (coding-system-for-read 'binary)) - (apply - 'call-process-region beg end - (car (split-string ,compress)) t t nil - (cdr (split-string ,compress)))) - (,coding (point-min) (point-max))))) - ((symbolp coding) - coding) - ((and compress (string-match "decoding" prop)) - (format "(%s | %s >%%s)" coding compress)) - (compress - (format "(%s <%%s | %s)" compress coding)) - ((string-match "decoding" prop) - (format "%s >%%s" coding)) - (t - (format "%s <%%s" coding)))))) - (defun tramp-get-method-parameter (method param) "Return the method parameter PARAM. If the `tramp-methods' entry does not exist, return nil." @@ -8494,27 +2906,26 @@ If the `tramp-methods' entry does not exist, return nil." "Check, whether OPERATION runs a file name handler." ;; The file name handler is determined on base of either an ;; argument, `buffer-file-name', or `default-directory'. - (condition-case nil - (let* ((buffer-file-name "/") - (default-directory "/") - (fnha file-name-handler-alist) - (check-file-name-operation operation) - (file-name-handler-alist - (list - (cons "/" - (lambda (operation &rest args) - "Returns OPERATION if it is the one to be checked." - (if (equal check-file-name-operation operation) - operation - (let ((file-name-handler-alist fnha)) - (apply operation args)))))))) - (equal (apply operation args) operation)) - (error nil))) + (ignore-errors + (let* ((buffer-file-name "/") + (default-directory "/") + (fnha file-name-handler-alist) + (check-file-name-operation operation) + (file-name-handler-alist + (list + (cons "/" + (lambda (operation &rest args) + "Returns OPERATION if it is the one to be checked." + (if (equal check-file-name-operation operation) + operation + (let ((file-name-handler-alist fnha)) + (apply operation args)))))))) + (equal (apply operation args) operation)))) (unless (tramp-exists-file-name-handler 'make-auto-save-file-name) (defadvice make-auto-save-file-name (around tramp-advice-make-auto-save-file-name () activate) - "Invoke `tramp-handle-make-auto-save-file-name' for Tramp files." + "Invoke `tramp-*-handle-make-auto-save-file-name' for Tramp files." (if (tramp-tramp-file-p (buffer-file-name)) ;; We cannot call `tramp-handle-make-auto-save-file-name' ;; directly, because this would bypass the locking mechanism. @@ -8754,106 +3165,39 @@ Only works for Bourne-like shells." ;; ange-ftp settings must be enabled. (tramp-compat-funcall 'tramp-ftp-enable-ange-ftp) ;; Maybe it's not loaded yet. - (condition-case nil - (unload-feature 'tramp 'force) - (error nil))) - -(when (and load-in-progress - (string-match "Loading tramp..." (or (current-message) ""))) - (message "Loading tramp...done")) + (ignore-errors (unload-feature 'tramp 'force))) (provide 'tramp) ;;; TODO: -;; * Handle nonlocal exits such as C-g. -;; * But it would probably be better to use with-local-quit at the -;; place where it's actually needed: around any potentially -;; indefinitely blocking piece of code. In this case it would be -;; within Tramp around one of its calls to accept-process-output (or -;; around one of the loops that calls accept-process-output) -;; (Stefan Monnier). ;; * Rewrite `tramp-shell-quote-argument' to abstain from using ;; `shell-quote-argument'. ;; * In Emacs 21, `insert-directory' shows total number of bytes used ;; by the files in that directory. Add this here. ;; * Avoid screen blanking when hitting `g' in dired. (Eli Tziperman) ;; * Make ffap.el grok Tramp filenames. (Eli Tziperman) -;; * Don't use globbing for directories with many files, as this is -;; likely to produce long command lines, and some shells choke on -;; long command lines. -;; * How to deal with MULE in `insert-file-contents' and `write-region'? ;; * abbreviate-file-name ;; * Better error checking. At least whenever we see something ;; strange when doing zerop, we should kill the process and start ;; again. (Greg Stark) -;; * Remove unneeded parameters from methods. -;; * Make it work for different encodings, and for different file name -;; encodings, too. (Daniel Pittman) -;; * Don't search for perl5 and perl. Instead, only search for perl and -;; then look if it's the right version (with `perl -v'). -;; * When editing a remote CVS controlled file as a different user, VC -;; gets confused about the file locking status. Try to find out why -;; the workaround doesn't work. ;; * Username and hostname completion. ;; ** Try to avoid usage of `last-input-event' in `tramp-completion-mode-p'. ;; ** Unify `tramp-parse-{rhosts,shosts,sconfig,hosts,passwd,netrc}'. ;; Code is nearly identical. -;; * Allow out-of-band methods as _last_ multi-hop. Open a connection -;; until the last but one hop via `start-file-process'. Apply it -;; also for ftp and smb. -;; * WIBNI if we had a command "trampclient"? If I was editing in -;; some shell with root priviledges, it would be nice if I could -;; just call -;; trampclient filename.c -;; as an editor, and the _current_ shell would connect to an Emacs -;; server and would be used in an existing non-priviledged Emacs -;; session for doing the editing in question. -;; That way, I need not tell Emacs my password again and be afraid -;; that it makes it into core dumps or other ugly stuff (I had Emacs -;; once display a just typed password in the context of a keyboard -;; sequence prompt for a question immediately following in a shell -;; script run within Emacs -- nasty). -;; And if I have some ssh session running to a different computer, -;; having the possibility of passing a local file there to a local -;; Emacs session (in case I can arrange for a connection back) would -;; be nice. -;; Likely the corresponding Tramp server should not allow the -;; equivalent of the emacsclient -eval option in order to make this -;; reasonably unproblematic. And maybe trampclient should have some -;; way of passing credentials, like by using an SSL socket or -;; something. (David Kastrup) -;; * Reconnect directly to a compliant shell without first going -;; through the user's default shell. (Pete Forman) ;; * Make `tramp-default-user' obsolete. -;; * How can I interrupt the remote process with a signal -;; (interrupt-process seems not to work)? (Markus Triska) -;; * Avoid the local shell entirely for starting remote processes. If -;; so, I think even a signal, when delivered directly to the local -;; SSH instance, would correctly be propagated to the remote process -;; automatically; possibly SSH would have to be started with -;; "-t". (Markus Triska) -;; * It makes me wonder if tramp couldn't fall back to ssh when scp -;; isn't on the remote host. (Mark A. Hershberger) -;; * Use lsh instead of ssh. (Alfred M. Szmidt) ;; * Implement a general server-local-variable mechanism, as there are ;; probably other variables that need different values for different ;; servers too. The user could then configure a variable (such as ;; tramp-server-local-variable-alist) to define any such variables ;; that they need to, which would then be let bound as appropriate ;; in tramp functions. (Jason Rumney) -;; * Optimize out-of-band copying, when both methods are scp-like (not -;; rsync). -;; * Keep a second connection open for out-of-band methods like scp or -;; rsync. ;; * IMHO, it's a drawback that currently Tramp doesn't support ;; Unicode in Dired file names by default. Is it possible to ;; improve Tramp to set LC_ALL to "C" only for commands where Tramp ;; expects English? Or just to set LC_MESSAGES to "C" if Tramp ;; expects only English messages? (Juri Linkov) ;; * Make shadowfile.el grok Tramp filenames. (Bug#4526, Bug#4846) -;; * Try telnet+curl as new method. It might be useful for busybox, -;; without built-in uuencode/uudecode. ;; * Load ~/.emacs_SHELLNAME on the remote host for `shell'. ;; * I was wondering it it would be possible to use tramp even if I'm ;; actually using sshfs. But when I launch a command I would like |