diff options
Diffstat (limited to 'lisp/arc-mode.el')
| -rw-r--r-- | lisp/arc-mode.el | 86 |
1 files changed, 56 insertions, 30 deletions
diff --git a/lisp/arc-mode.el b/lisp/arc-mode.el index c776a3f8b5c..c04cd8dcf9d 100644 --- a/lisp/arc-mode.el +++ b/lisp/arc-mode.el @@ -787,7 +787,8 @@ is visible (and the real data of the buffer is hidden). Optional argument SHUT-UP, if non-nil, means don't print messages when parsing the archive." (widen) - (let ((inhibit-read-only t)) + (let ((buffer-file-truename nil) ; avoid changing dir mtime by lock_file + (inhibit-read-only t)) (setq archive-proper-file-start (copy-marker (point-min) t)) (set (make-local-variable 'change-major-mode-hook) 'archive-desummarize) (or shut-up @@ -1117,13 +1118,54 @@ using `make-temp-file', and the generated name is returned." (archive-delete-local tmpfile) success)) -(defun archive-extract-by-stdout (archive name command &optional stderr-file) - (apply 'call-process - (car command) - nil - (if stderr-file (list t stderr-file) t) - nil - (append (cdr command) (list archive name)))) +(defun archive-extract-by-stdout (archive name command &optional stderr-test) + (let ((stderr-file (make-temp-file "arc-stderr"))) + (unwind-protect + (prog1 + (apply 'call-process + (car command) + nil + (if stderr-file (list t stderr-file) t) + nil + (append (cdr command) (list archive name))) + (with-temp-buffer + (insert-file-contents stderr-file) + (goto-char (point-min)) + (when (if (stringp stderr-test) + (not (re-search-forward stderr-test nil t)) + (> (buffer-size) 0)) + (message "%s" (buffer-string))))) + (if (file-exists-p stderr-file) + (delete-file stderr-file))))) + +(defun archive-extract-by-file (archive name command &optional stdout-test) + (let ((dest (make-temp-file "arc-dir" 'dir)) + (stdout-file (make-temp-file "arc-stdout"))) + (unwind-protect + (prog1 + (apply 'call-process + (car command) + nil + `(:file ,stdout-file) + nil + (append (cdr command) (list archive name dest))) + (with-temp-buffer + (insert-file-contents stdout-file) + (goto-char (point-min)) + (when (if (stringp stdout-test) + (not (re-search-forward stdout-test nil t)) + (> (buffer-size) 0)) + (message "%s" (buffer-string)))) + (if (file-exists-p (expand-file-name name dest)) + (insert-file-contents-literally (expand-file-name name dest)))) + (if (file-exists-p stdout-file) + (delete-file stdout-file)) + (if (file-exists-p (expand-file-name name dest)) + (delete-file (expand-file-name name dest))) + (while (file-name-directory name) + (setq name (directory-file-name (file-name-directory name))) + (delete-directory (expand-file-name name dest))) + (delete-directory dest)))) (defun archive-extract-other-window () "In archive mode, find this member in another window." @@ -2006,17 +2048,7 @@ This doesn't recover lost files, it just undoes changes in the buffer itself." ;; The code below assumes the name is relative and may do undesirable ;; things otherwise. (error "Can't extract files with non-relative names") - (let ((dest (make-temp-file "arc-rar" 'dir))) - (unwind-protect - (progn - (call-process "unrar-free" nil nil nil - "--extract" archive name dest) - (insert-file-contents-literally (expand-file-name name dest))) - (delete-file (expand-file-name name dest)) - (while (file-name-directory name) - (setq name (directory-file-name (file-name-directory name))) - (delete-directory (expand-file-name name dest))) - (delete-directory dest))))) + (archive-extract-by-file archive name '("unrar-free" "--extract") "All OK"))) ;;; Section: Rar self-extracting .exe archives. @@ -2099,17 +2131,11 @@ This doesn't recover lost files, it just undoes changes in the buffer itself." (apply 'vector files)))) (defun archive-7z-extract (archive name) - (let ((tmpfile (make-temp-file "7z-stderr"))) - ;; 7z doesn't provide a `quiet' option to suppress non-essential - ;; stderr messages. So redirect stderr to a temp file and display it - ;; in the echo area when it contains error messages. - (prog1 (archive-extract-by-stdout - archive name archive-7z-extract tmpfile) - (with-temp-buffer - (insert-file-contents tmpfile) - (unless (search-forward "Everything is Ok" nil t) - (message "%s" (buffer-string))) - (delete-file tmpfile))))) + ;; 7z doesn't provide a `quiet' option to suppress non-essential + ;; stderr messages. So redirect stderr to a temp file and display it + ;; in the echo area when it contains no message indicating success. + (archive-extract-by-stdout + archive name archive-7z-extract "Everything is Ok")) (defun archive-7z-write-file-member (archive descr) (archive-*-write-file-member |