;;; vc-git.el --- VC backend for the git version control system
-;; Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Alexandre Julliard <julliard@winehq.org>
;; Keywords: tools
;; HISTORY FUNCTIONS
;; * print-log (files &optional buffer) OK
;; - log-view-mode () OK
-;; - show-log-entry (revision) NOT NEEDED, DEFAULT IS GOOD
+;; - show-log-entry (revision) OK
;; - wash-log (file) COULD BE SUPPORTED
;; - logentry-check () NOT NEEDED
;; - comment-history (file) ??
;;; BACKEND PROPERTIES
(defun vc-git-revision-granularity ()
- 'repository)
+ 'repository)
;;; STATE-QUERYING FUNCTIONS
(let* ((dir (file-name-directory file))
(name (file-relative-name file dir)))
(and (ignore-errors
- (when dir (cd dir))
- (eq 0 (call-process "git" nil '(t nil) nil "ls-files" "-c" "-z" "--" name)))
+ (when dir (cd dir))
+ (vc-git--out-ok "ls-files" "-c" "-z" "--" name))
(let ((str (buffer-string)))
(and (> (length str) (length name))
- (string= (substring str 0 (1+ (length name))) (concat name "\0")))))))))
+ (string= (substring str 0 (1+ (length name)))
+ (concat name "\0")))))))))
(defun vc-git-state (file)
"Git-specific version of `vc-state'."
- (call-process "git" nil nil nil "add" "--refresh" "--" (file-relative-name file))
+ ;; FIXME: This can't set 'ignored yet
+ (vc-git--call nil "add" "--refresh" "--" (file-relative-name file))
(let ((diff (vc-git--run-command-string file "diff-index" "-z" "HEAD" "--")))
- (if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} [ADMU]\0[^\0]+\0" diff))
+ (if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} [ADMU]\0[^\0]+\0"
+ diff))
'edited
'up-to-date)))
-(defun vc-git-dir-state (dir)
+(defun vc-git--ls-files-state (state &rest args)
+ "Set state to STATE on all files found with git-ls-files ARGS."
(with-temp-buffer
- (vc-git-command (current-buffer) nil nil "ls-files" "-t")
+ (apply 'vc-git-command (current-buffer) nil nil "ls-files" "-z" args)
(goto-char (point-min))
- (let ((status-char nil)
- (file nil))
- (while (not (eobp))
- (setq status-char (char-after))
- (setq file
- (expand-file-name
- (buffer-substring-no-properties (+ (point) 2) (line-end-position))))
- (cond
- ;; The rest of the possible states in "git ls-files -t" output:
- ;; R removed/deleted
- ;; K to be killed
- ;; should not show up in vc-dired, so don't deal with them
- ;; here.
- ((eq status-char ?H)
- (vc-file-setprop file 'vc-state 'up-to-date))
- ((eq status-char ?M)
- (vc-file-setprop file 'vc-state 'edited))
- ((eq status-char ?C)
- (vc-file-setprop file 'vc-state 'edited))
- ((eq status-char ??)
- (vc-file-setprop file 'vc-backend 'none)
- (vc-file-setprop file 'vc-state 'nil)))
- (forward-line)))))
+ (let ((start (point)))
+ (while (search-forward "\0" nil t)
+ (let ((file (expand-file-name
+ (buffer-substring-no-properties start (1- (point))))))
+ (vc-file-setprop file 'vc-backend (if state 'Git 'none))
+ (vc-file-setprop file 'vc-state state))
+ (setq start (point))))))
+
+(defun vc-git-dir-state (dir)
+ "Git-specific version of `dir-state'."
+ (vc-git--ls-files-state 'up-to-date "-c")
+ (vc-git--ls-files-state 'edited "-m")
+ (vc-git--ls-files-state 'removed "-d")
+ (vc-git--ls-files-state 'ignored "-o" "-i" "--exclude-standard")
+ (vc-git--ls-files-state nil "-o" "--exclude-standard"))
(defun vc-git-working-revision (file)
"Git-specific version of `vc-working-revision'."
(let ((str (with-output-to-string
(with-current-buffer standard-output
- (call-process "git" nil '(t nil) nil "symbolic-ref" "HEAD")))))
+ (vc-git--out-ok "symbolic-ref" "HEAD")))))
(if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
(match-string 2 str)
str)))
"^commit *\\([0-9a-z]+\\)")
(set (make-local-variable 'log-view-font-lock-keywords)
(append
- `((,log-view-message-re (1 'change-log-acknowledgement))
- (,log-view-file-re (1 'change-log-file-face)))
- ;; Handle the case:
- ;; user: foo@bar
- '(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
- (1 'change-log-email))
- ;; Handle the case:
- ;; user: FirstName LastName <foo@bar>
- ("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
- (1 'change-log-name)
- (2 'change-log-email))
- ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
- (1 'change-log-name))
- ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
- (1 'change-log-name)
- (2 'change-log-email))
- ("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)"
- (1 'change-log-acknowledgement)
- (2 'change-log-acknowledgement))
- ("^Date: \\(.+\\)" (1 'change-log-date))
- ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message))))))
+ `((,log-view-message-re (1 'change-log-acknowledgement))
+ (,log-view-file-re (1 'change-log-file-face)))
+ ;; Handle the case:
+ ;; user: foo@bar
+ '(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
+ (1 'change-log-email))
+ ;; Handle the case:
+ ;; user: FirstName LastName <foo@bar>
+ ("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
+ (1 'change-log-name)
+ (2 'change-log-email))
+ ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
+ (1 'change-log-name))
+ ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
+ (1 'change-log-name)
+ (2 'change-log-email))
+ ("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)"
+ (1 'change-log-acknowledgement)
+ (2 'change-log-acknowledgement))
+ ("^Date: \\(.+\\)" (1 'change-log-date))
+ ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message))))))
+
+(defun vc-git-show-log-entry (revision)
+ "Move to the log entry for REVISION.
+REVISION may have the form BRANCH, BRANCH~N,
+or BRANCH^ (where \"^\" can be repeated)."
+ (goto-char (point-min))
+ (search-forward "\ncommit" nil t
+ (cond ((string-match "~\\([0-9]\\)$" revision)
+ (1+ (string-to-number (match-string 1 revision))))
+ ((string-match "\\^+$" revision)
+ (1+ (length (match-string 0 revision))))
+ (t nil)))
+ (beginning-of-line))
(defun vc-git-diff (files &optional rev1 rev2 buffer)
(let ((buf (or buffer "*vc-diff*")))
(if (and rev1 rev2)
- (vc-git-command buf 1 files "diff-tree" "--exit-code" "-p" rev1 rev2 "--")
- (vc-git-command buf 1 files "diff-index" "--exit-code" "-p" (or rev1 "HEAD") "--"))))
+ (vc-git-command buf 1 files "diff-tree" "--exit-code" "-p"
+ rev1 rev2 "--")
+ (vc-git-command buf 1 files "diff-index" "--exit-code" "-p"
+ (or rev1 "HEAD") "--"))))
(defun vc-git-revision-table (files)
;; What about `files'?!? --Stef
(vc-git-command buf 0 name "blame" (if rev (concat "-r" rev)))))
(defun vc-git-annotate-time ()
- (and (re-search-forward "[0-9a-f]+ (.* \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) \\([-+0-9]+\\) +[0-9]+)" nil t)
+ (and (re-search-forward "[0-9a-f]+[^()]+(.* \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) \\([-+0-9]+\\) +[0-9]+) " nil t)
(vc-annotate-convert-time
- (apply #'encode-time (mapcar (lambda (match) (string-to-number (match-string match))) '(6 5 4 3 2 1 7))))))
+ (apply #'encode-time (mapcar (lambda (match)
+ (string-to-number (match-string match)))
+ '(6 5 4 3 2 1 7))))))
(defun vc-git-annotate-extract-revision-at-line ()
- (save-excursion
- (move-beginning-of-line 1)
- (and (looking-at "[0-9a-f]+")
- (buffer-substring-no-properties (match-beginning 0) (match-end 0)))))
+ (save-excursion
+ (move-beginning-of-line 1)
+ (and (looking-at "[0-9a-f]+")
+ (buffer-substring-no-properties (match-beginning 0) (match-end 0)))))
;;; SNAPSHOT SYSTEM
(vc-git-symbolic-commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "-2" rev "--" file))
+ (vc-git--out-ok "rev-list" "-2" rev "--" file)
(goto-char (point-max))
(bolp)
(zerop (forward-line -1))
(not (bobp))
(buffer-substring-no-properties
- (point)
- (1- (point-max))))))))
+ (point)
+ (1- (point-max))))))))
(defun vc-git-next-revision (file rev)
"Git-specific version of `vc-next-revision'."
(let* ((default-directory (file-name-directory
(expand-file-name file)))
- (file (file-name-nondirectory file))
- (current-rev
- (with-temp-buffer
- (and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "-1" rev "--" file))
- (goto-char (point-max))
- (bolp)
- (zerop (forward-line -1))
- (bobp)
- (buffer-substring-no-properties
- (point)
- (1- (point-max)))))))
+ (file (file-name-nondirectory file))
+ (current-rev
+ (with-temp-buffer
+ (and
+ (vc-git--out-ok "rev-list" "-1" rev "--" file)
+ (goto-char (point-max))
+ (bolp)
+ (zerop (forward-line -1))
+ (bobp)
+ (buffer-substring-no-properties
+ (point)
+ (1- (point-max)))))))
(and current-rev
(vc-git-symbolic-commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "HEAD" "--" file))
+ (vc-git--out-ok "rev-list" "HEAD" "--" file)
(goto-char (point-min))
(search-forward current-rev nil t)
(zerop (forward-line -1))
The difference to vc-do-command is that this function always invokes `git'."
(apply 'vc-do-command buffer okstatus "git" file-or-list flags))
+(defun vc-git--call (buffer command &rest args)
+ ;; We don't need to care the arguments. If there is a file name, it
+ ;; is always a relative one. This works also for remote
+ ;; directories.
+ (apply 'process-file "git" nil buffer nil command args))
+
+(defun vc-git--out-ok (command &rest args)
+ (zerop (apply 'vc-git--call '(t nil) command args)))
+
(defun vc-git--run-command-string (file &rest args)
"Run a git command on FILE and return its output as string."
(let* ((ok t)
(str (with-output-to-string
(with-current-buffer standard-output
- (unless (eq 0 (apply #'call-process "git" nil '(t nil) nil
- (append args (list (file-relative-name file)))))
+ (unless (apply 'vc-git--out-ok
+ (append args (list (file-relative-name
+ file))))
(setq ok nil))))))
(and ok str)))
(and commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "name-rev"
- "--name-only" "--tags"
- commit))
+ (vc-git--out-ok "name-rev" "--name-only" "--tags" commit)
(goto-char (point-min))
(= (forward-line 2) 1)
(bolp)