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fff4a046 DN |
1 | ;;; vc-git.el --- VC backend for the git version control system |
2 | ||
409cc4a3 | 3 | ;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. |
fff4a046 | 4 | |
8b38ce20 | 5 | ;; Author: Alexandre Julliard <julliard@winehq.org> |
fff4a046 DN |
6 | ;; Keywords: tools |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
625f71cf | 12 | ;; the Free Software Foundation; either version 3, or (at your option) |
fff4a046 DN |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
23 | ;; Boston, MA 02110-1301, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; This file contains a VC backend for the git version control | |
28 | ;; system. | |
29 | ;; | |
30 | ||
31 | ;;; Installation: | |
32 | ||
4211679b | 33 | ;; To install: put this file on the load-path and add Git to the list |
fff4a046 DN |
34 | ;; of supported backends in `vc-handled-backends'; the following line, |
35 | ;; placed in your ~/.emacs, will accomplish this: | |
36 | ;; | |
4211679b | 37 | ;; (add-to-list 'vc-handled-backends 'Git) |
fff4a046 DN |
38 | |
39 | ;;; Todo: | |
53cc90ab DN |
40 | ;; - check if more functions could use vc-git-command instead |
41 | ;; of start-process. | |
fff4a046 | 42 | ;; - changelog generation |
53cc90ab DN |
43 | |
44 | ;; Implement the rest of the vc interface. See the comment at the | |
45 | ;; beginning of vc.el. The current status is: | |
7546c767 | 46 | ;; ("??" means: "figure out what to do about it") |
fff4a046 | 47 | ;; |
53cc90ab DN |
48 | ;; FUNCTION NAME STATUS |
49 | ;; BACKEND PROPERTIES | |
50 | ;; * revision-granularity OK | |
51 | ;; STATE-QUERYING FUNCTIONS | |
52 | ;; * registered (file) OK | |
53 | ;; * state (file) OK | |
108607bc | 54 | ;; - state-heuristic (file) NOT NEEDED |
53cc90ab | 55 | ;; - dir-state (dir) OK |
ac3f4c6f | 56 | ;; * working-revision (file) OK |
108607bc | 57 | ;; - latest-on-branch-p (file) NOT NEEDED |
53cc90ab | 58 | ;; * checkout-model (file) OK |
7546c767 | 59 | ;; - workfile-unchanged-p (file) OK |
6f222162 | 60 | ;; - mode-line-string (file) OK |
53cc90ab DN |
61 | ;; - dired-state-info (file) OK |
62 | ;; STATE-CHANGING FUNCTIONS | |
63 | ;; * create-repo () OK | |
9143abff | 64 | ;; * register (files &optional rev comment) OK |
ac3f4c6f | 65 | ;; - init-revision (file) NOT NEEDED |
53cc90ab | 66 | ;; - responsible-p (file) OK |
108607bc DN |
67 | ;; - could-register (file) NOT NEEDED, DEFAULT IS GOOD |
68 | ;; - receive-file (file rev) NOT NEEDED | |
d7009f45 | 69 | ;; - unregister (file) OK |
9143abff | 70 | ;; * checkin (files rev comment) OK |
ac3f4c6f | 71 | ;; * find-revision (file rev buffer) OK |
53cc90ab DN |
72 | ;; * checkout (file &optional editable rev) OK |
73 | ;; * revert (file &optional contents-done) OK | |
108607bc DN |
74 | ;; - rollback (files) COULD BE SUPPORTED |
75 | ;; - merge (file rev1 rev2) It would be possible to merge changes into | |
76 | ;; a single file, but when committing they | |
77 | ;; wouldn't be identified as a merge by git, | |
b747d346 DN |
78 | ;; so it's probably not a good idea. |
79 | ;; - merge-news (file) see `merge' | |
5b5afd50 | 80 | ;; - steal-lock (file &optional revision) NOT NEEDED |
53cc90ab | 81 | ;; HISTORY FUNCTIONS |
9143abff | 82 | ;; * print-log (files &optional buffer) OK |
53cc90ab | 83 | ;; - log-view-mode () OK |
b16bd82d | 84 | ;; - show-log-entry (revision) OK |
108607bc DN |
85 | ;; - wash-log (file) COULD BE SUPPORTED |
86 | ;; - logentry-check () NOT NEEDED | |
53cc90ab | 87 | ;; - comment-history (file) ?? |
108607bc | 88 | ;; - update-changelog (files) COULD BE SUPPORTED |
b747d346 | 89 | ;; * diff (file &optional rev1 rev2 buffer) OK |
54a2247d | 90 | ;; - revision-completion-table (files) NEEDED? |
53cc90ab DN |
91 | ;; - annotate-command (file buf &optional rev) OK |
92 | ;; - annotate-time () OK | |
108607bc | 93 | ;; - annotate-current-time () NOT NEEDED |
53cc90ab DN |
94 | ;; - annotate-extract-revision-at-line () OK |
95 | ;; SNAPSHOT SYSTEM | |
b747d346 | 96 | ;; - create-snapshot (dir name branchp) OK |
53cc90ab | 97 | ;; - assign-name (file name) NOT NEEDED |
40ed3f4f | 98 | ;; - retrieve-snapshot (dir name update) OK, needs to update buffers |
53cc90ab | 99 | ;; MISCELLANEOUS |
108607bc DN |
100 | ;; - make-version-backups-p (file) NOT NEEDED |
101 | ;; - repository-hostname (dirname) NOT NEEDED | |
5b5afd50 ER |
102 | ;; - previous-revision (file rev) OK |
103 | ;; - next-revision (file rev) OK | |
108607bc DN |
104 | ;; - check-headers () COULD BE SUPPORTED |
105 | ;; - clear-headers () NOT NEEDED | |
8b38ce20 DN |
106 | ;; - delete-file (file) OK |
107 | ;; - rename-file (old new) OK | |
108607bc DN |
108 | ;; - find-file-hook () NOT NEEDED |
109 | ;; - find-file-not-found-hook () NOT NEEDED | |
fff4a046 | 110 | |
b0f90937 | 111 | (eval-when-compile (require 'cl) (require 'vc)) |
fff4a046 DN |
112 | |
113 | (defvar git-commits-coding-system 'utf-8 | |
114 | "Default coding system for git commits.") | |
115 | ||
53cc90ab DN |
116 | ;;; BACKEND PROPERTIES |
117 | ||
118 | (defun vc-git-revision-granularity () | |
2aa0736a | 119 | 'repository) |
53cc90ab DN |
120 | |
121 | ;;; STATE-QUERYING FUNCTIONS | |
122 | ||
123 | ;;;###autoload (defun vc-git-registered (file) | |
124 | ;;;###autoload "Return non-nil if FILE is registered with git." | |
125 | ;;;###autoload (if (vc-find-root file ".git") ; short cut | |
126 | ;;;###autoload (progn | |
127 | ;;;###autoload (load "vc-git") | |
128 | ;;;###autoload (vc-git-registered file)))) | |
129 | ||
fff4a046 DN |
130 | (defun vc-git-registered (file) |
131 | "Check whether FILE is registered with git." | |
53cc90ab DN |
132 | (when (vc-git-root file) |
133 | (with-temp-buffer | |
134 | (let* ((dir (file-name-directory file)) | |
135 | (name (file-relative-name file dir))) | |
136 | (and (ignore-errors | |
2aa0736a | 137 | (when dir (cd dir)) |
5fdbecd8 | 138 | (vc-git--out-ok "ls-files" "-c" "-z" "--" name)) |
53cc90ab DN |
139 | (let ((str (buffer-string))) |
140 | (and (> (length str) (length name)) | |
2aa0736a TTN |
141 | (string= (substring str 0 (1+ (length name))) |
142 | (concat name "\0"))))))))) | |
108607bc | 143 | |
fff4a046 | 144 | (defun vc-git-state (file) |
53cc90ab | 145 | "Git-specific version of `vc-state'." |
722f037f | 146 | ;; FIXME: This can't set 'ignored yet |
5fdbecd8 | 147 | (vc-git--call nil "add" "--refresh" "--" (file-relative-name file)) |
fff4a046 | 148 | (let ((diff (vc-git--run-command-string file "diff-index" "-z" "HEAD" "--"))) |
6a3f9bb7 | 149 | (if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\([ADMU]\\)\0[^\0]+\0" |
2aa0736a | 150 | diff)) |
6a3f9bb7 | 151 | (if (string= (match-string 1 diff) "A") 'added 'edited) |
8e4e4aef | 152 | (if (vc-git--empty-db-p) 'added 'up-to-date)))) |
fff4a046 | 153 | |
b936ef8c DN |
154 | (defun vc-git--ls-files-state (state &rest args) |
155 | "Set state to STATE on all files found with git-ls-files ARGS." | |
53cc90ab | 156 | (with-temp-buffer |
b936ef8c | 157 | (apply 'vc-git-command (current-buffer) nil nil "ls-files" "-z" args) |
53cc90ab | 158 | (goto-char (point-min)) |
b936ef8c DN |
159 | (let ((start (point))) |
160 | (while (search-forward "\0" nil t) | |
161 | (let ((file (expand-file-name | |
162 | (buffer-substring-no-properties start (1- (point)))))) | |
163 | (vc-file-setprop file 'vc-backend (if state 'Git 'none)) | |
164 | (vc-file-setprop file 'vc-state state)) | |
165 | (setq start (point)))))) | |
166 | ||
167 | (defun vc-git-dir-state (dir) | |
168 | "Git-specific version of `dir-state'." | |
169 | (vc-git--ls-files-state 'up-to-date "-c") | |
170 | (vc-git--ls-files-state 'edited "-m") | |
171 | (vc-git--ls-files-state 'removed "-d") | |
172 | (vc-git--ls-files-state 'ignored "-o" "-i" "--exclude-standard") | |
173 | (vc-git--ls-files-state nil "-o" "--exclude-standard")) | |
53cc90ab | 174 | |
ac3f4c6f ER |
175 | (defun vc-git-working-revision (file) |
176 | "Git-specific version of `vc-working-revision'." | |
fff4a046 DN |
177 | (let ((str (with-output-to-string |
178 | (with-current-buffer standard-output | |
5fdbecd8 | 179 | (vc-git--out-ok "symbolic-ref" "HEAD"))))) |
fff4a046 DN |
180 | (if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str) |
181 | (match-string 2 str) | |
182 | str))) | |
183 | ||
184 | (defun vc-git-checkout-model (file) | |
185 | 'implicit) | |
186 | ||
187 | (defun vc-git-workfile-unchanged-p (file) | |
00d67080 | 188 | (eq 'up-to-date (vc-git-state file))) |
fff4a046 | 189 | |
6f222162 DN |
190 | (defun vc-git-mode-line-string (file) |
191 | "Return string for placement into the modeline for FILE." | |
ac3f4c6f | 192 | (let* ((branch (vc-git-working-revision file)) |
6f222162 DN |
193 | (def-ml (vc-default-mode-line-string 'Git file)) |
194 | (help-echo (get-text-property 0 'help-echo def-ml))) | |
195 | (if (zerop (length branch)) | |
196 | (propertize | |
197 | (concat def-ml "!") | |
198 | 'help-echo (concat help-echo "\nNo current branch (detached HEAD)")) | |
199 | (propertize def-ml | |
200 | 'help-echo (concat help-echo "\nCurrent branch: " branch))))) | |
201 | ||
e345c46e DN |
202 | ;; Variable used to keep the intermediate results for vc-git-status. |
203 | (defvar vc-git-status-result nil) | |
204 | ||
205 | (defun vc-git-after-dir-status-stage2 (update-function status-buffer) | |
206 | (goto-char (point-min)) | |
207 | (while (re-search-forward "\\([^\0]*?\\)\0" nil t 1) | |
208 | (push (cons (match-string 1) 'unregistered) vc-git-status-result)) | |
209 | (funcall update-function (nreverse vc-git-status-result) status-buffer) | |
210 | ;; Remove the temporary buffer. | |
211 | (kill-buffer (current-buffer))) | |
212 | ||
213 | (defun vc-git-after-dir-status-stage1 (update-function status-buffer) | |
214 | (goto-char (point-min)) | |
215 | (while (re-search-forward | |
216 | ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\([ADMUT]\\)\0\\([^\0]+\\)\0" | |
217 | nil t 1) | |
218 | (let ((filename (match-string 2)) | |
219 | (status (case (string-to-char( match-string 1)) | |
220 | (?M 'edited) | |
221 | (?A 'added) | |
222 | (?D 'removed) | |
223 | (?U 'edited) ;; FIXME | |
224 | (?T 'edited)))) ;; FIXME | |
225 | (push (cons filename status) vc-git-status-result))) | |
226 | (erase-buffer) | |
227 | (vc-git-command (current-buffer) 'async nil "ls-files" "-z" "-o" | |
228 | "--directory" "--no-empty-directory" "--exclude-standard") | |
229 | (vc-exec-after | |
230 | `(vc-git-after-dir-status-stage2 (quote ,update-function) ,status-buffer))) | |
231 | ||
8e4e4aef DN |
232 | (defun vc-git-after-dir-status-stage1-empty-db (update-function status-buffer) |
233 | (goto-char (point-min)) | |
234 | (while (re-search-forward "\\([^\0]*?\\)\0" nil t 1) | |
235 | (push (cons (match-string 1) 'added) vc-git-status-result)) | |
236 | (erase-buffer) | |
237 | (vc-git-command (current-buffer) 'async nil "ls-files" "-z" "-o" | |
238 | "--directory" "--no-empty-directory" "--exclude-standard") | |
239 | (vc-exec-after | |
240 | `(vc-git-after-dir-status-stage2 (quote ,update-function) ,status-buffer))) | |
241 | ||
758dc0cc TTN |
242 | (defun vc-git-dir-status (dir update-function status-buffer) |
243 | "Return a list of conses (file . state) for DIR." | |
12cb746e | 244 | ;; Further things that would have to be fixed later: |
12cb746e DN |
245 | ;; - how to handle unregistered directories |
246 | ;; - how to support vc-status on a subdir of the project tree | |
758dc0cc TTN |
247 | (with-current-buffer |
248 | (get-buffer-create | |
249 | (expand-file-name " *VC-Git* tmp status" dir)) | |
e345c46e | 250 | (set (make-local-variable 'vc-git-status-result) nil) |
12cb746e | 251 | (cd dir) |
e345c46e | 252 | (erase-buffer) |
8e4e4aef DN |
253 | (if (vc-git--empty-db-p) |
254 | (progn | |
255 | (vc-git-command (current-buffer) 'async nil "ls-files" "-z" "-c") | |
256 | (vc-exec-after | |
257 | `(vc-git-after-dir-status-stage1-empty-db (quote ,update-function) ,status-buffer))) | |
258 | (vc-git-command (current-buffer) 'async nil "diff-index" "-z" "HEAD") | |
259 | (vc-exec-after | |
260 | `(vc-git-after-dir-status-stage1 (quote ,update-function) ,status-buffer))) | |
751c9f00 | 261 | (current-buffer))) |
758dc0cc | 262 | |
53cc90ab DN |
263 | ;;; STATE-CHANGING FUNCTIONS |
264 | ||
265 | (defun vc-git-create-repo () | |
4211679b | 266 | "Create a new Git repository." |
00d67080 | 267 | (vc-git-command nil 0 nil "init")) |
53cc90ab | 268 | |
8b9783e0 | 269 | (defun vc-git-register (files &optional rev comment) |
fff4a046 | 270 | "Register FILE into the git version-control system." |
8b9783e0 | 271 | (vc-git-command nil 0 files "update-index" "--add" "--")) |
fff4a046 | 272 | |
53cc90ab DN |
273 | (defalias 'vc-git-responsible-p 'vc-git-root) |
274 | ||
d7009f45 DN |
275 | (defun vc-git-unregister (file) |
276 | (vc-git-command nil 0 file "rm" "-f" "--cached" "--")) | |
108607bc | 277 | |
d7009f45 | 278 | |
8b9783e0 | 279 | (defun vc-git-checkin (files rev comment) |
fff4a046 | 280 | (let ((coding-system-for-write git-commits-coding-system)) |
8b9783e0 | 281 | (vc-git-command nil 0 files "commit" "-m" comment "--only" "--"))) |
fff4a046 | 282 | |
ac3f4c6f | 283 | (defun vc-git-find-revision (file rev buffer) |
b0f90937 | 284 | (let ((coding-system-for-read 'binary) |
8b38ce20 DN |
285 | (coding-system-for-write 'binary) |
286 | (fullname (substring | |
108607bc | 287 | (vc-git--run-command-string |
8b38ce20 DN |
288 | file "ls-files" "-z" "--full-name" "--") |
289 | 0 -1))) | |
108607bc DN |
290 | (vc-git-command |
291 | buffer 0 | |
8b38ce20 | 292 | (concat (if rev rev "HEAD") ":" fullname) "cat-file" "blob"))) |
b0f90937 DN |
293 | |
294 | (defun vc-git-checkout (file &optional editable rev) | |
7546c767 | 295 | (vc-git-command nil 0 file "checkout" (or rev "HEAD"))) |
fff4a046 DN |
296 | |
297 | (defun vc-git-revert (file &optional contents-done) | |
298 | "Revert FILE to the version stored in the git repository." | |
299 | (if contents-done | |
b0f90937 DN |
300 | (vc-git-command nil 0 file "update-index" "--") |
301 | (vc-git-command nil 0 file "checkout" "HEAD"))) | |
fff4a046 | 302 | |
53cc90ab DN |
303 | ;;; HISTORY FUNCTIONS |
304 | ||
8b9783e0 DN |
305 | (defun vc-git-print-log (files &optional buffer) |
306 | "Get change log associated with FILES." | |
a0709d8d DN |
307 | (let ((coding-system-for-read git-commits-coding-system) |
308 | ;; Support both the old print-log interface that passes a | |
309 | ;; single file, and the new one that passes a file list. | |
310 | (flist (if (listp files) files (list files)))) | |
53cc90ab DN |
311 | ;; `vc-do-command' creates the buffer, but we need it before running |
312 | ;; the command. | |
313 | (vc-setup-buffer buffer) | |
314 | ;; If the buffer exists from a previous invocation it might be | |
315 | ;; read-only. | |
316 | (let ((inhibit-read-only t)) | |
64e3efd9 DN |
317 | ;; XXX `log-view-mode' needs to have something to identify where |
318 | ;; the log for each individual file starts. It seems that by | |
319 | ;; default git does not output this info. So loop here and call | |
320 | ;; "git rev-list" on each file separately to make sure that each | |
321 | ;; file gets a "File:" header before the corresponding | |
322 | ;; log. Maybe there is a way to do this with one command... | |
a0709d8d | 323 | (dolist (file flist) |
64e3efd9 DN |
324 | (with-current-buffer |
325 | buffer | |
326 | (insert "File: " (file-name-nondirectory file) "\n")) | |
108607bc | 327 | (vc-git-command buffer 'async (file-relative-name file) |
64e3efd9 | 328 | "rev-list" "--pretty" "HEAD" "--"))))) |
53cc90ab DN |
329 | |
330 | (defvar log-view-message-re) | |
331 | (defvar log-view-file-re) | |
332 | (defvar log-view-font-lock-keywords) | |
333 | ||
4211679b | 334 | (define-derived-mode vc-git-log-view-mode log-view-mode "Git-Log-View" |
53cc90ab DN |
335 | (require 'add-log) ;; we need the faces add-log |
336 | ;; Don't have file markers, so use impossible regexp. | |
337 | (set (make-local-variable 'log-view-file-re) "^File:[ \t]+\\(.+\\)") | |
338 | (set (make-local-variable 'log-view-message-re) | |
339 | "^commit *\\([0-9a-z]+\\)") | |
340 | (set (make-local-variable 'log-view-font-lock-keywords) | |
341 | (append | |
2aa0736a TTN |
342 | `((,log-view-message-re (1 'change-log-acknowledgement)) |
343 | (,log-view-file-re (1 'change-log-file-face))) | |
344 | ;; Handle the case: | |
345 | ;; user: foo@bar | |
346 | '(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)" | |
347 | (1 'change-log-email)) | |
348 | ;; Handle the case: | |
349 | ;; user: FirstName LastName <foo@bar> | |
350 | ("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]" | |
351 | (1 'change-log-name) | |
352 | (2 'change-log-email)) | |
353 | ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)" | |
354 | (1 'change-log-name)) | |
355 | ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]" | |
356 | (1 'change-log-name) | |
357 | (2 'change-log-email)) | |
358 | ("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)" | |
359 | (1 'change-log-acknowledgement) | |
360 | (2 'change-log-acknowledgement)) | |
361 | ("^Date: \\(.+\\)" (1 'change-log-date)) | |
362 | ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message)))))) | |
fff4a046 | 363 | |
b16bd82d TTN |
364 | (defun vc-git-show-log-entry (revision) |
365 | "Move to the log entry for REVISION. | |
366 | REVISION may have the form BRANCH, BRANCH~N, | |
367 | or BRANCH^ (where \"^\" can be repeated)." | |
368 | (goto-char (point-min)) | |
369 | (search-forward "\ncommit" nil t | |
370 | (cond ((string-match "~\\([0-9]\\)$" revision) | |
371 | (1+ (string-to-number (match-string 1 revision)))) | |
372 | ((string-match "\\^+$" revision) | |
373 | (1+ (length (match-string 0 revision)))) | |
374 | (t nil))) | |
375 | (beginning-of-line)) | |
376 | ||
b747d346 DN |
377 | (defun vc-git-diff (files &optional rev1 rev2 buffer) |
378 | (let ((buf (or buffer "*vc-diff*"))) | |
fff4a046 | 379 | (if (and rev1 rev2) |
2aa0736a TTN |
380 | (vc-git-command buf 1 files "diff-tree" "--exit-code" "-p" |
381 | rev1 rev2 "--") | |
382 | (vc-git-command buf 1 files "diff-index" "--exit-code" "-p" | |
383 | (or rev1 "HEAD") "--")))) | |
fff4a046 | 384 | |
9f11ce4e SM |
385 | (defun vc-git-revision-table (files) |
386 | ;; What about `files'?!? --Stef | |
108607bc DN |
387 | (let ((table (list "HEAD"))) |
388 | (with-temp-buffer | |
389 | (vc-git-command t nil nil "for-each-ref" "--format=%(refname)") | |
390 | (goto-char (point-min)) | |
391 | (while (re-search-forward "^refs/\\(heads\\|tags\\)/\\(.*\\)$" nil t) | |
392 | (push (match-string 2) table))) | |
393 | table)) | |
394 | ||
9f11ce4e SM |
395 | (defun vc-git-revision-completion-table (files) |
396 | (lexical-let ((files files) | |
108607bc DN |
397 | table) |
398 | (setq table (lazy-completion-table | |
9f11ce4e | 399 | table (lambda () (vc-git-revision-table files)))) |
108607bc DN |
400 | table)) |
401 | ||
fff4a046 | 402 | (defun vc-git-annotate-command (file buf &optional rev) |
53cc90ab | 403 | ;; FIXME: rev is ignored |
fff4a046 | 404 | (let ((name (file-relative-name file))) |
53cc90ab | 405 | (vc-git-command buf 0 name "blame" (if rev (concat "-r" rev))))) |
fff4a046 DN |
406 | |
407 | (defun vc-git-annotate-time () | |
0bcc6163 | 408 | (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) |
fff4a046 | 409 | (vc-annotate-convert-time |
2aa0736a TTN |
410 | (apply #'encode-time (mapcar (lambda (match) |
411 | (string-to-number (match-string match))) | |
412 | '(6 5 4 3 2 1 7)))))) | |
fff4a046 | 413 | |
53cc90ab | 414 | (defun vc-git-annotate-extract-revision-at-line () |
2aa0736a TTN |
415 | (save-excursion |
416 | (move-beginning-of-line 1) | |
dd3ffb9a | 417 | (and (looking-at "[0-9a-f^][0-9a-f]+") |
2aa0736a | 418 | (buffer-substring-no-properties (match-beginning 0) (match-end 0))))) |
53cc90ab | 419 | |
b747d346 DN |
420 | ;;; SNAPSHOT SYSTEM |
421 | ||
422 | (defun vc-git-create-snapshot (dir name branchp) | |
423 | (let ((default-directory dir)) | |
424 | (and (vc-git-command nil 0 nil "update-index" "--refresh") | |
425 | (if branchp | |
426 | (vc-git-command nil 0 nil "checkout" "-b" name) | |
427 | (vc-git-command nil 0 nil "tag" name))))) | |
428 | ||
429 | (defun vc-git-retrieve-snapshot (dir name update) | |
430 | (let ((default-directory dir)) | |
431 | (vc-git-command nil 0 nil "checkout" name) | |
432 | ;; FIXME: update buffers if `update' is true | |
433 | )) | |
434 | ||
435 | ||
53cc90ab | 436 | ;;; MISCELLANEOUS |
fff4a046 | 437 | |
5b5afd50 ER |
438 | (defun vc-git-previous-revision (file rev) |
439 | "Git-specific version of `vc-previous-revision'." | |
fff4a046 DN |
440 | (let ((default-directory (file-name-directory (expand-file-name file))) |
441 | (file (file-name-nondirectory file))) | |
442 | (vc-git-symbolic-commit | |
443 | (with-temp-buffer | |
444 | (and | |
5fdbecd8 | 445 | (vc-git--out-ok "rev-list" "-2" rev "--" file) |
fff4a046 DN |
446 | (goto-char (point-max)) |
447 | (bolp) | |
448 | (zerop (forward-line -1)) | |
449 | (not (bobp)) | |
450 | (buffer-substring-no-properties | |
2aa0736a TTN |
451 | (point) |
452 | (1- (point-max)))))))) | |
fff4a046 | 453 | |
5b5afd50 ER |
454 | (defun vc-git-next-revision (file rev) |
455 | "Git-specific version of `vc-next-revision'." | |
fff4a046 DN |
456 | (let* ((default-directory (file-name-directory |
457 | (expand-file-name file))) | |
2aa0736a TTN |
458 | (file (file-name-nondirectory file)) |
459 | (current-rev | |
460 | (with-temp-buffer | |
461 | (and | |
5fdbecd8 | 462 | (vc-git--out-ok "rev-list" "-1" rev "--" file) |
2aa0736a TTN |
463 | (goto-char (point-max)) |
464 | (bolp) | |
465 | (zerop (forward-line -1)) | |
466 | (bobp) | |
467 | (buffer-substring-no-properties | |
468 | (point) | |
469 | (1- (point-max))))))) | |
fff4a046 DN |
470 | (and current-rev |
471 | (vc-git-symbolic-commit | |
472 | (with-temp-buffer | |
473 | (and | |
5fdbecd8 | 474 | (vc-git--out-ok "rev-list" "HEAD" "--" file) |
fff4a046 DN |
475 | (goto-char (point-min)) |
476 | (search-forward current-rev nil t) | |
477 | (zerop (forward-line -1)) | |
478 | (buffer-substring-no-properties | |
479 | (point) | |
480 | (progn (forward-line 1) (1- (point)))))))))) | |
481 | ||
8b38ce20 DN |
482 | (defun vc-git-delete-file (file) |
483 | (vc-git-command nil 0 file "rm" "-f" "--")) | |
b0f90937 | 484 | |
8b38ce20 DN |
485 | (defun vc-git-rename-file (old new) |
486 | (vc-git-command nil 0 (list old new) "mv" "-f" "--")) | |
b0f90937 | 487 | |
fff4a046 | 488 | \f |
b747d346 | 489 | ;;; Internal commands |
fff4a046 | 490 | |
53cc90ab DN |
491 | (defun vc-git-root (file) |
492 | (vc-find-root file ".git")) | |
493 | ||
8b9783e0 | 494 | (defun vc-git-command (buffer okstatus file-or-list &rest flags) |
53cc90ab DN |
495 | "A wrapper around `vc-do-command' for use in vc-git.el. |
496 | The difference to vc-do-command is that this function always invokes `git'." | |
8b9783e0 | 497 | (apply 'vc-do-command buffer okstatus "git" file-or-list flags)) |
53cc90ab | 498 | |
8e4e4aef DN |
499 | (defun vc-git--empty-db-p () |
500 | "Check if the git db is empty (no commit done yet)." | |
501 | (not (eq 0 (vc-git--call nil "rev-parse" "--verify" "HEAD")))) | |
502 | ||
5fdbecd8 | 503 | (defun vc-git--call (buffer command &rest args) |
0664ff72 MA |
504 | ;; We don't need to care the arguments. If there is a file name, it |
505 | ;; is always a relative one. This works also for remote | |
506 | ;; directories. | |
507 | (apply 'process-file "git" nil buffer nil command args)) | |
5fdbecd8 TTN |
508 | |
509 | (defun vc-git--out-ok (command &rest args) | |
510 | (zerop (apply 'vc-git--call '(t nil) command args))) | |
511 | ||
fff4a046 DN |
512 | (defun vc-git--run-command-string (file &rest args) |
513 | "Run a git command on FILE and return its output as string." | |
514 | (let* ((ok t) | |
515 | (str (with-output-to-string | |
516 | (with-current-buffer standard-output | |
5fdbecd8 TTN |
517 | (unless (apply 'vc-git--out-ok |
518 | (append args (list (file-relative-name | |
519 | file)))) | |
fff4a046 DN |
520 | (setq ok nil)))))) |
521 | (and ok str))) | |
522 | ||
fff4a046 DN |
523 | (defun vc-git-symbolic-commit (commit) |
524 | "Translate COMMIT string into symbolic form. | |
525 | Returns nil if not possible." | |
526 | (and commit | |
527 | (with-temp-buffer | |
528 | (and | |
5fdbecd8 | 529 | (vc-git--out-ok "name-rev" "--name-only" "--tags" commit) |
fff4a046 DN |
530 | (goto-char (point-min)) |
531 | (= (forward-line 2) 1) | |
532 | (bolp) | |
533 | (buffer-substring-no-properties (point-min) (1- (point-max))))))) | |
534 | ||
535 | (provide 'vc-git) | |
53cc90ab | 536 | |
328471d9 | 537 | ;; arch-tag: bd10664a-0e5b-48f5-a877-6c17b135be12 |
53cc90ab | 538 | ;;; vc-git.el ends here |