diff options
Diffstat (limited to 'lisp/net/tramp-sh.el')
| -rw-r--r-- | lisp/net/tramp-sh.el | 325 |
1 files changed, 224 insertions, 101 deletions
diff --git a/lisp/net/tramp-sh.el b/lisp/net/tramp-sh.el index af97328b3d3..5a3abc31ea6 100644 --- a/lisp/net/tramp-sh.el +++ b/lisp/net/tramp-sh.el @@ -491,8 +491,8 @@ The string is used in `tramp-methods'.") 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. +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 @@ -537,12 +537,13 @@ based on the Tramp and Emacs versions, and should not be set here." ;;;###tramp-autoload (defcustom tramp-sh-extra-args - '(("/bash\\'" . "-norc -noprofile") + '(("/bash\\'" . "-noediting -norc -noprofile") ("/zsh\\'" . "-f +Z -V")) "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. +arguments. These arguments shall disable line editing, see +`tramp-open-shell'. This variable is only used when Tramp needs to start up another shell for tilde expansion. The extra arguments should typically prevent the @@ -866,8 +867,12 @@ Escape sequence %s is replaced with name of Perl binary.") "Perl program to use for decoding a file. Escape sequence %s is replaced with name of Perl binary.") +(defconst tramp-hexdump-encode "%h -v -e '16/1 \" %%02x\" \"\\n\"'" + "`hexdump' program to use for encoding a file. +This string is passed to `format', so percent characters need to be doubled.") + (defconst tramp-awk-encode - "od -v -t x1 -A n | busybox awk '\\ + "%a '\\ BEGIN { b64 = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\" b16 = \"0123456789abcdef\" @@ -897,11 +902,25 @@ END { } printf tail }'" - "Awk program to use for encoding a file. + "`awk' program to use for encoding a file. +This string is passed to `format', so percent characters need to be doubled.") + +(defconst tramp-hexdump-awk-encode + (format "%s | %s" tramp-hexdump-encode tramp-awk-encode) + "`hexdump' / `awk' pipe to use for encoding a file. +This string is passed to `format', so percent characters need to be doubled.") + +(defconst tramp-od-encode "%o -v -t x1 -A n" + "`od' program to use for encoding a file. +This string is passed to `format', so percent characters need to be doubled.") + +(defconst tramp-od-awk-encode + (format "%s | %s" tramp-od-encode tramp-awk-encode) + "`od' / `awk' pipe to use for encoding a file. This string is passed to `format', so percent characters need to be doubled.") (defconst tramp-awk-decode - "busybox awk '\\ + "%a '\\ BEGIN { b64 = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\" } @@ -926,12 +945,6 @@ BEGIN { "Awk program to use for decoding a file. This string is passed to `format', so percent characters need to be doubled.") -(defconst tramp-awk-coding-test - "test -c /dev/zero && \ -od -v -t x1 -A n </dev/null && \ -busybox awk '{}' </dev/null" - "Test command for checking `tramp-awk-encode' and `tramp-awk-decode'.") - (defconst tramp-vc-registered-read-file-names "echo \"(\" while read file; do @@ -1051,9 +1064,7 @@ component is used as the target of the symlink." (let ((non-essential t)) (when (and (tramp-tramp-file-p target) (tramp-file-name-equal-p v (tramp-dissect-file-name target))) - (setq target - (tramp-file-name-localname - (tramp-dissect-file-name (expand-file-name target)))))) + (setq target (tramp-file-local-name (expand-file-name target))))) ;; If TARGET is still remote, quote it. (if (tramp-tramp-file-p target) @@ -1104,8 +1115,7 @@ component is used as the target of the symlink." "Like `file-truename' for Tramp files." ;; Preserve trailing "/". (funcall - (if (tramp-compat-directory-name-p filename) - #'file-name-as-directory #'identity) + (if (directory-name-p filename) #'file-name-as-directory #'identity) ;; Quote properly. (funcall (if (tramp-compat-file-name-quoted-p filename) @@ -1190,9 +1200,9 @@ component is used as the target of the symlink." (tramp-error v 'file-error "Maximum number (%d) of symlinks exceeded" numchase-limit)) - (setq result (reverse result)) - ;; Combine list to form string. - (setq result + (setq result (reverse result) + ;; Combine list to form string. + result (if result (string-join (cons "" result) "/") "/")) (when (string-empty-p result) (setq result "/"))))) @@ -1263,8 +1273,8 @@ component is used as the target of the symlink." (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) + 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) ;; We cannot send all three commands combined, it could exceed ;; NAME_MAX or PATH_MAX. Happened on macOS, for example. @@ -1948,7 +1958,7 @@ tramp-sh-handle-file-name-all-completions: internal error accessing `%s': `%s'" ;; scp or rsync DTRT. (progn (when (and (file-directory-p newname) - (not (tramp-compat-directory-name-p newname))) + (not (directory-name-p newname))) (tramp-error v 'file-already-exists newname)) (setq dirname (directory-file-name (expand-file-name dirname)) newname (directory-file-name (expand-file-name newname))) @@ -1978,8 +1988,8 @@ tramp-sh-handle-file-name-all-completions: internal error accessing `%s': `%s'" "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)) + (setq filename (expand-file-name filename) + newname (expand-file-name newname)) ;; At least one file a Tramp file? (if (or (tramp-tramp-file-p filename) (tramp-tramp-file-p newname)) @@ -2030,7 +2040,7 @@ file names." (when (and (not ok-if-already-exists) (file-exists-p newname)) (tramp-error v 'file-already-exists newname)) (when (and (file-directory-p newname) - (not (tramp-compat-directory-name-p newname))) + (not (directory-name-p newname))) (tramp-error v 'file-error "File is a directory %s" newname)) (with-tramp-progress-reporter @@ -2171,8 +2181,8 @@ the uid and gid from FILENAME." v 'file-error "Unknown operation `%s', must be `copy' or `rename'" op)))) - (localname1 (tramp-compat-file-local-name filename)) - (localname2 (tramp-compat-file-local-name newname)) + (localname1 (tramp-file-local-name filename)) + (localname2 (tramp-file-local-name newname)) (prefix (file-remote-p (if t1 filename newname))) cmd-result) (when (and (eq op 'copy) (file-directory-p filename)) @@ -2714,7 +2724,7 @@ The method used must be an out-of-band method." (when (file-symlink-p filename) (goto-char (search-backward "->" beg 'noerror))) (search-backward - (if (tramp-compat-directory-name-p filename) + (if (directory-name-p filename) "." (file-name-nondirectory filename)) beg 'noerror) @@ -2724,12 +2734,11 @@ The method used must be an out-of-band method." (goto-char (point-min)) ;; First find the line to put it on. (when (re-search-forward "^\\([[:space:]]*total\\)" nil t) - (let ((available (get-free-disk-space "."))) - (when available - ;; Replace "total" with "total used", to avoid confusion. - (replace-match "\\1 used in directory") - (end-of-line) - (insert " available " available)))) + (when-let ((available (get-free-disk-space "."))) + ;; Replace "total" with "total used", to avoid confusion. + (replace-match "\\1 used in directory") + (end-of-line) + (insert " available " available))) (goto-char (point-max))))))) @@ -2796,8 +2805,11 @@ the result will be a local, non-Tramp, file name." ;; 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. +;; The complete STDERR buffer is available only when the process has +;; terminated. (defun tramp-sh-handle-make-process (&rest args) - "Like `make-process' for Tramp files." + "Like `make-process' for Tramp files. +STDERR can also be a file name." (when args (with-parsed-tramp-file-name (expand-file-name default-directory) nil (let ((name (plist-get args :name)) @@ -2829,14 +2841,23 @@ the result will be a local, non-Tramp, file name." (signal 'wrong-type-argument (list #'functionp sentinel))) (unless (or (null stderr) (bufferp stderr) (stringp stderr)) (signal 'wrong-type-argument (list #'stringp stderr))) + (when (and (stringp stderr) (tramp-tramp-file-p stderr) + (not (tramp-equal-remote default-directory stderr))) + (signal 'file-error (list "Wrong stderr" stderr))) (let* ((buffer (if buffer (get-buffer-create buffer) ;; BUFFER can be nil. We use a temporary buffer. (generate-new-buffer tramp-temp-buffer-name))) - (stderr (and stderr (get-buffer-create stderr))) - (tmpstderr (and stderr (tramp-make-tramp-temp-file v))) + ;; STDERR can also be a file name. + (tmpstderr + (and stderr + (if (and (stringp stderr) (tramp-tramp-file-p stderr)) + (tramp-unquote-file-local-name stderr) + (tramp-make-tramp-temp-file v)))) + (remote-tmpstderr + (and tmpstderr (tramp-make-tramp-file-name v tmpstderr))) (program (car command)) (args (cdr command)) ;; When PROGRAM matches "*sh", and the first arg is @@ -2965,21 +2986,35 @@ the result will be a local, non-Tramp, file name." (ignore-errors (set-process-query-on-exit-flag p (null noquery)) (set-marker (process-mark p) (point))) + ;; We must flush them here already; otherwise + ;; `rename-file', `delete-file' or + ;; `insert-file-contents' will fail. + (tramp-flush-connection-property v "process-name") + (tramp-flush-connection-property v "process-buffer") + ;; Copy tmpstderr file. + (when (and (stringp stderr) + (not (tramp-tramp-file-p stderr))) + (add-function + :after (process-sentinel p) + (lambda (_proc _msg) + (rename-file remote-tmpstderr stderr)))) ;; Provide error buffer. This shows only ;; initial error messages; messages arriving - ;; later on shall be inserted by `auto-revert'. - ;; The temporary file will still be existing. - ;; TODO: Write a sentinel, which deletes the - ;; temporary file. - (when tmpstderr - ;; We must flush them here already; otherwise - ;; `insert-file-contents' will fail. - (tramp-flush-connection-property v "process-name") - (tramp-flush-connection-property v "process-buffer") + ;; later on will be inserted when the process is + ;; deleted. The temporary file will exist until + ;; the process is deleted. + (when (bufferp stderr) (with-current-buffer stderr - (insert-file-contents - (tramp-make-tramp-file-name v tmpstderr) 'visit) - (auto-revert-mode))) + (insert-file-contents-literally + remote-tmpstderr 'visit)) + ;; Delete tmpstderr file. + (add-function + :after (process-sentinel p) + (lambda (_proc _msg) + (with-current-buffer stderr + (insert-file-contents-literally + remote-tmpstderr 'visit nil nil 'replace)) + (delete-file remote-tmpstderr)))) ;; Return process. p))) @@ -3028,7 +3063,7 @@ the result will be a local, non-Tramp, file name." (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)) + (setq input (tramp-file-local-name infile)) ;; INFILE must be copied to remote host. (setq input (tramp-make-tramp-temp-file v) tmpinput (tramp-make-tramp-file-name v input 'nohop)) @@ -3059,8 +3094,7 @@ the result will be a local, non-Tramp, file name." (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)) + (setq stderr (tramp-file-local-name (cadr destination))) ;; stderr must be copied to remote host. The temporary ;; file must be deleted after execution. (setq stderr (tramp-make-tramp-temp-file v) @@ -3122,7 +3156,7 @@ the result will be a local, non-Tramp, file name." (append (tramp-get-remote-path (tramp-dissect-file-name default-directory)) ;; The equivalent to `exec-directory'. - `(,(tramp-compat-file-local-name default-directory)))) + `(,(tramp-file-local-name (expand-file-name default-directory))))) (defun tramp-sh-handle-file-local-copy (filename) "Like `file-local-copy' for Tramp files." @@ -3468,8 +3502,7 @@ the result will be a local, non-Tramp, file name." (defun tramp-sh-handle-vc-registered (file) "Like `vc-registered' for Tramp files." (when vc-handled-backends - (let ((tramp-message-show-message - (and (not revert-buffer-in-progress-p) tramp-message-show-message)) + (let ((inhibit-message (or revert-buffer-in-progress-p inhibit-message)) (temp-message (unless revert-buffer-in-progress-p ""))) (with-temp-message temp-message (with-parsed-tramp-file-name file nil @@ -3559,10 +3592,9 @@ the result will be a local, non-Tramp, file name." (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." - (let ((fn (assoc operation tramp-sh-file-name-handler-alist))) - (if fn - (save-match-data (apply (cdr fn) args)) - (tramp-run-real-handler operation args)))) + (if-let ((fn (assoc operation tramp-sh-file-name-handler-alist))) + (save-match-data (apply (cdr fn) args)) + (tramp-run-real-handler operation args))) ;; This must be the last entry, because `identity' always matches. ;;;###tramp-autoload @@ -3921,7 +3953,7 @@ hosts, or files, disagree." 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 +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. @@ -3947,8 +3979,8 @@ This function expects to be in the right *tramp* buffer." ;; Remove all ~/foo directories from dirlist. (let (newdl d) (while dirlist - (setq d (car dirlist)) - (setq dirlist (cdr dirlist)) + (setq d (car dirlist) + dirlist (cdr dirlist)) (unless (char-equal ?~ (aref d 0)) (setq newdl (cons d newdl)))) (setq dirlist (nreverse newdl)))) @@ -3995,8 +4027,7 @@ variable PATH." (setq tmpfile (tramp-make-tramp-file-name vec (tramp-make-tramp-temp-file vec))) (write-region command nil tmpfile) - (tramp-send-command - vec (format ". %s" (tramp-compat-file-local-name tmpfile))) + (tramp-send-command vec (format ". %s" (tramp-file-local-name tmpfile))) (delete-file tmpfile)))) ;; ------------------------------------------------------------ @@ -4072,7 +4103,28 @@ file exists and nonzero exit status otherwise." (with-tramp-progress-reporter vec 5 (format-message "Opening remote shell `%s'" shell) ;; Find arguments for this shell. - (let ((extra-args (tramp-get-sh-extra-args shell))) + (let ((extra-args (tramp-get-sh-extra-args shell)) + (p (tramp-get-connection-process vec))) + ;; The readline library can disturb Tramp. For example, the + ;; very recent version of libedit, the *BSD implementation of + ;; readline, confuses Tramp. So we disable line editing. Since + ;; $EDITRC is not supported on all target systems, we must move + ;; ~/.editrc temporarily somewhere else. For bash and zsh we + ;; have disabled this already during shell invocation, see + ;; `tramp-sh-extra-args' (Bug#39399). + ;; The shell prompt might not be set yet, so we must read any + ;; prompt via `tramp-barf-if-no-shell-prompt'. + (unless extra-args + (tramp-send-command vec "rm -f ~/.editrc.tramp" t t) + (tramp-barf-if-no-shell-prompt p 10 "Couldn't find remote shell prompt") + (tramp-send-command + vec "test -e ~/.editrc && mv -f ~/.editrc ~/.editrc.tramp" t t) + (tramp-barf-if-no-shell-prompt p 10 "Couldn't find remote shell prompt") + (tramp-send-command vec "echo 'edit off' >~/.editrc" t t) + (tramp-barf-if-no-shell-prompt + p 10 "Couldn't find remote shell prompt")) + ;; 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 @@ -4106,6 +4158,11 @@ file exists and nonzero exit status otherwise." (tramp-shell-quote-argument tramp-end-of-output) shell (or extra-args "")) t) + ;; Reset ~/.editrc. + (unless extra-args + (tramp-send-command vec "rm -f ~/.editrc" t) + (tramp-send-command + vec "test -e ~/.editrc.tramp && mv -f ~/.editrc.tramp ~/.editrc" t)) ;; Check proper HISTFILE setting. We give up when not working. (when (and (stringp tramp-histfile-override) (file-name-directory tramp-histfile-override)) @@ -4383,7 +4440,7 @@ 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 -i") + '((b64 "base64" "base64 -d -i") ;; "-i" is more robust with older base64 from GNU coreutils. ;; However, I don't know whether all base64 versions do supports ;; this option. @@ -4394,8 +4451,9 @@ with the encoded or decoded results, respectively.") (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) - ;; This is painful slow, so we put it on the end. - (b64 tramp-awk-encode tramp-awk-decode ,tramp-awk-coding-test) + ;; These are painfully slow, so we put them on the end. + (b64 tramp-hexdump-awk-encode tramp-awk-decode) + (b64 tramp-od-awk-encode tramp-awk-decode) (uu "uuencode xxx" "uudecode -o /dev/stdout" "test -c /dev/stdout") (uu "uuencode xxx" "uudecode -o -") (uu "uuencode xxx" "uudecode -p") @@ -4421,6 +4479,8 @@ Perl or Shell implementation for this functionality. This program will be transferred to the remote host, and it is available as shell function with the same name. A \"%t\" format specifier in the variable value denotes a temporary file. +\"%a\", \"%h\" and \"%o\" format specifiers are replaced by the +respective `awk', `hexdump' and `od' commands. The optional TEST command can be used for further tests, whether ENCODING and DECODING are applicable.") @@ -4439,8 +4499,8 @@ Goes through the list `tramp-local-coding-commands' and (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)) + (setq loc-enc (nth 1 litem) + 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)) @@ -4462,20 +4522,15 @@ Goes through the list `tramp-local-coding-commands' and (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)) - (setq rem-test (nth 3 ritem)) + (setq rem-enc (nth 1 ritem) + rem-dec (nth 2 ritem) + rem-test (nth 3 ritem)) ;; Check the remote test command if exists. (when (stringp rem-test) (tramp-message vec 5 "Checking remote test command `%s'" rem-test) (unless (tramp-send-command-and-check vec rem-test t) (throw 'wont-work-remote nil))) - ;; Check if remote perl exists when necessary. - (when (and (symbolp rem-enc) - (string-match-p "perl" (symbol-name rem-enc)) - (not (tramp-get-remote-perl vec))) - (throw 'wont-work-remote nil)) ;; 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 @@ -4485,10 +4540,36 @@ Goes through the list `tramp-local-coding-commands' and ;; redirecting "mimencode" output to /dev/null, then as root ;; it might change the permissions of /dev/null! (unless (stringp rem-enc) - (let ((name (symbol-name rem-enc))) + (let ((name (symbol-name rem-enc)) + (value (symbol-value rem-enc))) + ;; Check if remote perl exists when necessary. + (and (string-match-p "perl" name) + (not (tramp-get-remote-perl vec)) + (throw 'wont-work-remote nil)) + ;; Check if remote awk exists when necessary. + (and (string-match-p "\\(^\\|[^%]\\)%a" value) + (not (tramp-get-remote-awk vec)) + (throw 'wont-work-remote nil)) + ;; Check if remote hexdump exists when necessary. + (and (string-match-p "\\(^\\|[^%]\\)%h" value) + (not (tramp-get-remote-hexdump vec)) + (throw 'wont-work-remote nil)) + ;; Check if remote od exists when necessary. + (and (string-match-p "\\(^\\|[^%]\\)%o" value) + (not (tramp-get-remote-od vec)) + (throw 'wont-work-remote nil)) (while (string-match "-" name) (setq name (replace-match "_" nil t name))) - (tramp-maybe-send-script vec (symbol-value rem-enc) name) + (when (string-match-p "\\(^\\|[^%]\\)%[aho]" value) + (setq value + (format-spec + value + (format-spec-make + ?a (tramp-get-remote-awk vec) + ?h (tramp-get-remote-hexdump vec) + ?o (tramp-get-remote-od vec))) + value (replace-regexp-in-string "%" "%%" value))) + (tramp-maybe-send-script vec value name) (setq rem-enc name))) (tramp-message vec 5 @@ -4503,6 +4584,15 @@ Goes through the list `tramp-local-coding-commands' and tmpfile) (while (string-match "-" name) (setq name (replace-match "_" nil t name))) + (when (string-match-p "\\(^\\|[^%]\\)%[aho]" value) + (setq value + (format-spec + value + (format-spec-make + ?a (tramp-get-remote-awk vec) + ?h (tramp-get-remote-hexdump vec) + ?o (tramp-get-remote-od vec))) + value (replace-regexp-in-string "%" "%%" value))) (when (string-match-p "\\(^\\|[^%]\\)%t" value) (setq tmpfile (make-temp-name @@ -4513,7 +4603,7 @@ Goes through the list `tramp-local-coding-commands' and (format-spec value (format-spec-make - ?t (tramp-compat-file-local-name tmpfile))))) + ?t (tramp-file-local-name tmpfile))))) (tramp-maybe-send-script vec value name) (setq rem-dec name))) (tramp-message @@ -4531,9 +4621,9 @@ Goes through the list `tramp-local-coding-commands' and (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))))))) + (setq rem-enc (nth 1 ritem) + rem-dec (nth 2 ritem) + found t))))))) (when found ;; Set connection properties. Since the commands are risky @@ -4796,7 +4886,7 @@ If there is just some editing, retry it after 5 seconds." vec 5 "Cannot timeout session, trying it again in %s seconds." 5) (run-at-time 5 nil 'tramp-timeout-session vec)) (tramp-message - vec 3 "Timeout session %s" (tramp-make-tramp-file-name vec 'localname)) + vec 3 "Timeout session %s" (tramp-make-tramp-file-name vec 'noloc)) (tramp-cleanup-connection vec 'keep-debug))) (defun tramp-maybe-open-connection (vec) @@ -4818,11 +4908,8 @@ connection if a previous connection has died for some reason." (not (tramp-file-name-equal-p vec (car tramp-current-connection))) (time-less-p - ;; `current-time' can be removed once we get rid of Emacs 24. - (time-since (or (cdr tramp-current-connection) (current-time))) - ;; `seconds-to-time' can be removed once we get rid - ;; of Emacs 24. - (seconds-to-time (or tramp-connection-min-time-diff 0)))) + (time-since (cdr tramp-current-connection)) + (or tramp-connection-min-time-diff 0))) (throw 'suppress 'suppress)) ;; If too much time has passed since last command was sent, look @@ -4833,11 +4920,9 @@ connection if a previous connection has died for some reason." ;; try to send a command from time to time, then look again ;; whether the process is really alive. (condition-case nil - ;; `seconds-to-time' can be removed once we get rid of Emacs 24. - (when (and (time-less-p (seconds-to-time 60) - (time-since - (tramp-get-connection-property - p "last-cmd-time" (seconds-to-time 0)))) + (when (and (time-less-p + 60 (time-since + (tramp-get-connection-property p "last-cmd-time" 0))) (process-live-p p)) (tramp-send-command vec "echo are you awake" t t) (unless (and (process-live-p p) @@ -5594,7 +5679,7 @@ This command is returned only if `delete-by-moving-to-trash' is non-nil." "%s -t %s %s" result (format-time-string "%Y%m%d%H%M.%S") - (tramp-compat-file-local-name tmpfile)))) + (tramp-file-local-name tmpfile)))) (delete-file tmpfile)) result))) @@ -5769,6 +5854,47 @@ ID-FORMAT valid values are `string' and `integer'." tramp-unknown-id-string) (t res))))) +(defun tramp-get-remote-busybox (vec) + "Determine remote `busybox' command." + (with-tramp-connection-property vec "busybox" + (tramp-message vec 5 "Finding a suitable `busybox' command") + (tramp-find-executable vec "busybox" (tramp-get-remote-path vec)))) + +(defun tramp-get-remote-awk (vec) + "Determine remote `awk' command." + (with-tramp-connection-property vec "awk" + (tramp-message vec 5 "Finding a suitable `awk' command") + (or (tramp-find-executable vec "awk" (tramp-get-remote-path vec)) + (let* ((busybox (tramp-get-remote-busybox vec)) + (command (format "%s %s" busybox "awk"))) + (and busybox + (tramp-send-command-and-check + vec (concat command " {} </dev/null")) + command))))) + +(defun tramp-get-remote-hexdump (vec) + "Determine remote `hexdump' command." + (with-tramp-connection-property vec "hexdump" + (tramp-message vec 5 "Finding a suitable `hexdump' command") + (or (tramp-find-executable vec "hexdump" (tramp-get-remote-path vec)) + (let* ((busybox (tramp-get-remote-busybox vec)) + (command (format "%s %s" busybox "hexdump"))) + (and busybox + (tramp-send-command-and-check vec (concat command " </dev/null")) + command))))) + +(defun tramp-get-remote-od (vec) + "Determine remote `od' command." + (with-tramp-connection-property vec "od" + (tramp-message vec 5 "Finding a suitable `od' command") + (or (tramp-find-executable vec "od" (tramp-get-remote-path vec)) + (let* ((busybox (tramp-get-remote-busybox vec)) + (command (format "%s %s" busybox "od"))) + (and busybox + (tramp-send-command-and-check + vec (concat command " -A n </dev/null")) + command))))) + (defun tramp-get-env-with-u-option (vec) "Check, whether the remote `env' command supports the -u option." (with-tramp-connection-property vec "env-u-option" @@ -5889,9 +6015,6 @@ function cell is returned to be applied on a buffer." ;; likely to produce long command lines, and some shells choke on ;; long command lines. ;; -;; * 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. |