1 ;;; vc-bzr.el --- VC backend for the bzr revision control system -*- lexical-binding: t -*-
3 ;; Copyright (C) 2006-2012 Free Software Foundation, Inc.
5 ;; Author: Dave Love <fx@gnu.org>
6 ;; Riccardo Murri <riccardo.murri@gmail.com>
12 ;; This file is part of GNU Emacs.
14 ;; GNU Emacs is free software: you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation, either version 3 of the License, or
17 ;; (at your option) any later version.
19 ;; GNU Emacs is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
29 ;; See <URL:http://bazaar.canonical.com/> concerning bzr.
31 ;; This library provides bzr support in VC.
36 ;; When editing a symlink and *both* the symlink and its target
37 ;; are bzr-versioned, `vc-bzr` presently runs `bzr status` on the
38 ;; symlink, thereby not detecting whether the actual contents
39 ;; (that is, the target contents) are changed.
41 ;;; Properties of the backend
43 (defun vc-bzr-revision-granularity () 'repository
)
44 (defun vc-bzr-checkout-model (_files) 'implicit
)
50 (require 'vc
) ;; for vc-exec-after
53 ;; Clear up the cache to force vc-call to check again and discover
54 ;; new functions when we reload this file.
55 (put 'Bzr
'vc-functions nil
)
58 "VC Bazaar (bzr) backend."
62 (defcustom vc-bzr-program
"bzr"
63 "Name of the bzr command (excluding any arguments)."
67 (defcustom vc-bzr-diff-switches nil
68 "String or list of strings specifying switches for bzr diff under VC.
69 If nil, use the value of `vc-diff-switches'. If t, use no switches."
70 :type
'(choice (const :tag
"Unspecified" nil
)
72 (string :tag
"Argument String")
73 (repeat :tag
"Argument List" :value
("") string
))
76 (defcustom vc-bzr-log-switches nil
77 "String or list of strings specifying switches for bzr log under VC."
78 :type
'(choice (const :tag
"None" nil
)
79 (string :tag
"Argument String")
80 (repeat :tag
"Argument List" :value
("") string
))
83 (defcustom vc-bzr-status-switches
86 (call-process vc-bzr-program nil t nil
"help" "status")
87 (if (search-backward "--no-classify" nil t
)
89 "String or list of strings specifying switches for bzr status under VC.
90 The option \"--no-classify\" should be present if your bzr supports it."
91 :type
'(choice (const :tag
"None" nil
)
92 (string :tag
"Argument String")
93 (repeat :tag
"Argument List" :value
("") string
))
97 ;; since v0.9, bzr supports removing the progress indicators
98 ;; by setting environment variable BZR_PROGRESS_BAR to "none".
99 (defun vc-bzr-command (bzr-command buffer okstatus file-or-list
&rest args
)
100 "Wrapper round `vc-do-command' using `vc-bzr-program' as COMMAND.
101 Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
102 `LC_MESSAGES=C' to the environment. If BZR-COMMAND is \"status\",
103 prepends `vc-bzr-status-switches' to ARGS."
104 (let ((process-environment
105 `("BZR_PROGRESS_BAR=none" ; Suppress progress output (bzr >=0.9)
106 "LC_MESSAGES=C" ; Force English output
107 ,@process-environment
)))
108 (apply 'vc-do-command
(or buffer
"*vc*") okstatus vc-bzr-program
109 file-or-list bzr-command
110 (if (and (string-equal "status" bzr-command
)
111 vc-bzr-status-switches
)
112 (append (if (stringp vc-bzr-status-switches
)
113 (list vc-bzr-status-switches
)
114 vc-bzr-status-switches
)
118 (defun vc-bzr-async-command (bzr-command &rest args
)
119 "Wrapper round `vc-do-async-command' using `vc-bzr-program' as COMMAND.
120 Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
121 `LC_MESSAGES=C' to the environment.
122 Use the current Bzr root directory as the ROOT argument to
123 `vc-do-async-command', and specify an output buffer named
124 \"*vc-bzr : ROOT*\". Return this buffer."
125 (let* ((process-environment
126 `("BZR_PROGRESS_BAR=none" "LC_MESSAGES=C"
127 ,@process-environment
))
128 (root (vc-bzr-root default-directory
))
129 (buffer (format "*vc-bzr : %s*" (expand-file-name root
))))
130 (apply 'vc-do-async-command buffer root
131 vc-bzr-program bzr-command args
)
135 (defconst vc-bzr-admin-dirname
".bzr"
136 "Name of the directory containing Bzr repository status files.")
137 ;; Used in the autoloaded vc-bzr-registered; see below.
139 (defconst vc-bzr-admin-checkout-format-file
140 (concat vc-bzr-admin-dirname
"/checkout/format")
141 "Name of the format file in a .bzr directory.")
142 (defconst vc-bzr-admin-dirstate
143 (concat vc-bzr-admin-dirname
"/checkout/dirstate"))
144 (defconst vc-bzr-admin-branch-format-file
145 (concat vc-bzr-admin-dirname
"/branch/format"))
146 (defconst vc-bzr-admin-revhistory
147 (concat vc-bzr-admin-dirname
"/branch/revision-history"))
148 (defconst vc-bzr-admin-lastrev
149 (concat vc-bzr-admin-dirname
"/branch/last-revision"))
150 (defconst vc-bzr-admin-branchconf
151 (concat vc-bzr-admin-dirname
"/branch/branch.conf"))
153 ;;;###autoload (defun vc-bzr-registered (file)
154 ;;;###autoload (if (vc-find-root file vc-bzr-admin-checkout-format-file)
155 ;;;###autoload (progn
156 ;;;###autoload (load "vc-bzr")
157 ;;;###autoload (vc-bzr-registered file))))
159 (defun vc-bzr-root (file)
160 "Return the root directory of the bzr repository containing FILE."
161 ;; Cache technique copied from vc-arch.el.
162 (or (vc-file-getprop file
'bzr-root
)
163 (let ((root (vc-find-root file vc-bzr-admin-checkout-format-file
)))
164 (when root
(vc-file-setprop file
'bzr-root root
)))))
166 (defun vc-bzr-branch-conf (file)
167 "Return the Bazaar branch settings for file FILE, as an alist.
168 Each element of the returned alist has the form (NAME . VALUE),
169 which are the name and value of a Bazaar setting, as strings.
171 The settings are read from the file \".bzr/branch/branch.conf\"
172 in the repository root directory of FILE."
175 (insert-file-contents
176 (expand-file-name vc-bzr-admin-branchconf
(vc-bzr-root file
)))
177 (while (re-search-forward "^\\([^#=][^=]*?\\) *= *\\(.*\\)$" nil t
)
178 (push (cons (match-string 1) (match-string 2)) settings
)))
181 (defun vc-bzr-sha1 (file)
183 (set-buffer-multibyte nil
)
184 (insert-file-contents-literally file
)
185 (sha1 (current-buffer))))
187 (defun vc-bzr-state-heuristic (file)
188 "Like `vc-bzr-state' but hopefully without running Bzr."
189 ;; `bzr status' could be slow with large histories and pending merges,
190 ;; so this tries to avoid calling it if possible. bzr status is
191 ;; faster now, so this is not as important as it was.
193 ;; This function tries first to parse Bzr internal file
194 ;; `checkout/dirstate', but it may fail if Bzr internal file format
195 ;; has changed. As a safeguard, the `checkout/dirstate' file is
196 ;; only parsed if it contains the string `#bazaar dirstate flat
197 ;; format 3' in the first line.
198 ;; If the `checkout/dirstate' file cannot be parsed, fall back to
199 ;; running `vc-bzr-state'."
201 ;; The format of the dirstate file is explained in bzrlib/dirstate.py
202 ;; in the bzr distribution. Basically:
203 ;; header-line giving the version of the file format in use.
204 ;; a few lines of stuff
205 ;; entries, one per line, with null-separated fields. Each line:
206 ;; entry_key = dirname (may be empty), basename, file-id
207 ;; current = common ( = kind, fingerprint, size, executable )
208 ;; + working ( = packed_stat )
209 ;; parent = common ( as above ) + history ( = rev_id )
210 ;; kinds = (r)elocated, (a)bsent, (d)irectory, (f)ile, (l)ink
211 (let* ((root (vc-bzr-root file
))
212 (dirstate (expand-file-name vc-bzr-admin-dirstate root
)))
213 (when root
; Short cut.
216 (insert-file-contents dirstate
)
217 (goto-char (point-min))
218 (if (not (looking-at "#bazaar dirstate flat format 3"))
219 (vc-bzr-state file
) ; Some other unknown format?
220 (let* ((relfile (file-relative-name file root
))
221 (reldir (file-name-directory relfile
)))
226 (if reldir
(regexp-quote
227 (directory-file-name reldir
)))
229 (regexp-quote (file-name-nondirectory relfile
))
232 "\\([^\0]*\\)\0" ;"a/f/d", a=removed?
233 "\\([^\0]*\\)\0" ;sha1 (empty if conflicted)?
234 "\\([^\0]*\\)\0" ;size?p
235 ;; y/n. Whether or not the current copy
236 ;; was executable the last time bzr checked?
239 ;; Parent information. Absent in a new repo.
240 "\\(?:\\([^\0]*\\)\0" ;"a/f/d" a=added?
241 "\\([^\0]*\\)\0" ;sha1 again?
242 "\\([^\0]*\\)\0" ;size again?
243 ;; y/n. Whether or not the repo thinks
244 ;; the file should be executable?
246 "[^\0]*\0\\)?" ;last revid?
247 ;; There are more fields when merges are pending.
251 ;; Apparently the second sha1 is the one we want: when
252 ;; there's a conflict, the first sha1 is absent (and the
253 ;; first size seems to correspond to the file with
254 ;; conflict markers).
255 ((eq (char-after (match-beginning 1)) ?a
) 'removed
)
256 ;; If there is no parent, this must be a new repo.
257 ;; If file is in dirstate, can only be added (b#8025).
258 ((or (not (match-beginning 4))
259 (eq (char-after (match-beginning 4)) ?a
)) 'added
)
260 ((or (and (eq (string-to-number (match-string 3))
261 (nth 7 (file-attributes file
)))
262 (equal (match-string 5)
263 (save-match-data (vc-bzr-sha1 file
)))
264 ;; For a file, does the executable state match?
267 (eq (char-after (match-beginning 1)) ?f
))
273 (nth 8 (file-attributes file
))))))
274 (if (eq (char-after (match-beginning 7))
279 ;; It looks like for lightweight
280 ;; checkouts \2 is empty and we need to
281 ;; look for size in \6.
282 (eq (match-beginning 2) (match-end 2))
283 (eq (string-to-number (match-string 6))
284 (nth 7 (file-attributes file
)))
285 (equal (match-string 5)
286 (vc-bzr-sha1 file
))))
289 ;; The dirstate file can't be read, or some other problem.
291 (message "Falling back on \"slow\" status detection (%S)" err
)
292 (vc-bzr-state file
))))))
295 (defun vc-bzr-registered (file)
296 "Return non-nil if FILE is registered with bzr."
297 (let ((state (vc-bzr-state-heuristic file
)))
298 (not (memq state
'(nil unregistered ignored
)))))
300 (defconst vc-bzr-state-words
301 "added\\|ignored\\|kind changed\\|modified\\|removed\\|renamed\\|unknown"
302 "Regexp matching file status words as reported in `bzr' output.")
304 ;; History of Bzr commands.
305 (defvar vc-bzr-history nil
)
307 (defun vc-bzr-file-name-relative (filename)
308 "Return file name FILENAME stripped of the initial Bzr repository path."
309 (let* ((filename* (expand-file-name filename
))
310 (rootdir (vc-bzr-root filename
*)))
312 (file-relative-name filename
* rootdir
))))
314 (defvar vc-bzr-error-regexp-alist
315 '(("^\\( M[* ]\\|+N \\|-D \\|\\| \\*\\|R[M ] \\) \\(.+\\)" 2 nil nil
1)
317 ("^Text conflict in \\(.+\\)" 1 nil nil
2)
318 ("^Using saved parent location: \\(.+\\)" 1 nil nil
0))
319 "Value of `compilation-error-regexp-alist' in *vc-bzr* buffers.")
321 (defun vc-bzr-pull (prompt)
322 "Pull changes into the current Bzr branch.
323 Normally, this runs \"bzr pull\". However, if the branch is a
324 bound branch, run \"bzr update\" instead. If there is no default
325 location from which to pull or update, or if PROMPT is non-nil,
326 prompt for the Bzr command to run."
327 (let* ((vc-bzr-program vc-bzr-program
)
328 (branch-conf (vc-bzr-branch-conf default-directory
))
329 ;; Check whether the branch is bound.
330 (bound (assoc "bound" branch-conf
))
331 (bound (and bound
(equal "true" (downcase (cdr bound
)))))
332 ;; If we need to do a "bzr pull", check for a parent. If it
333 ;; does not exist, bzr will need a pull location.
334 (has-parent (unless bound
335 (assoc "parent_location" branch-conf
)))
336 (command (if bound
"update" "pull"))
338 ;; If necessary, prompt for the exact command.
339 (when (or prompt
(not (or bound has-parent
)))
340 (setq args
(split-string
343 (concat vc-bzr-program
" " command
)
346 (setq vc-bzr-program
(car args
)
349 (let ((buf (apply 'vc-bzr-async-command command args
)))
350 (with-current-buffer buf
(vc-exec-after '(vc-compilation-mode 'bzr
)))
351 (vc-set-async-update buf
))))
353 (defun vc-bzr-merge-branch ()
354 "Merge another Bzr branch into the current one.
355 Prompt for the Bzr command to run, providing a pre-defined merge
356 source (an upstream branch or a previous merge source) as a
357 default if it is available."
358 (let* ((branch-conf (vc-bzr-branch-conf default-directory
))
359 ;; "bzr merge" without an argument defaults to submit_branch,
360 ;; then parent_location. Extract the specific location and
361 ;; add it explicitly to the command line.
365 ((setq setting
(assoc "submit_branch" branch-conf
))
367 ((setq setting
(assoc "parent_location" branch-conf
))
372 "Bzr merge command: "
373 (concat vc-bzr-program
" merge --pull"
374 (if location
(concat " " location
) ""))
377 (vc-bzr-program (car cmd
))
380 (let ((buf (apply 'vc-bzr-async-command command args
)))
381 (with-current-buffer buf
(vc-exec-after '(vc-compilation-mode 'bzr
)))
382 (vc-set-async-update buf
))))
384 (defun vc-bzr-status (file)
385 "Return FILE status according to Bzr.
386 Return value is a cons (STATUS . WARNING), where WARNING is a
387 string or nil, and STATUS is one of the symbols: `added',
388 `ignored', `kindchanged', `modified', `removed', `renamed', `unknown',
389 which directly correspond to `bzr status' output, or 'unchanged
390 for files whose copy in the working tree is identical to the one
391 in the branch repository (or whose status not be determined)."
392 ;; Doc used to also say the following, but AFAICS, it has never been true.
394 ;; ", or nil for files that are not registered with Bzr.
395 ;; If any error occurred in running `bzr status', then return nil."
397 ;; Rather than returning nil in case of an error, it returns
398 ;; (unchanged . WARNING). FIXME unchanged is not the best status to
399 ;; return in case of error.
401 ;; This is with-demoted-errors without the condition-case-unless-debug
402 ;; annoyance, which makes it fail during ert testing.
403 (condition-case err
(vc-bzr-command "status" t
0 file
)
404 (error (message "Error: %S" err
) nil
))
405 (let ((status 'unchanged
))
406 ;; the only secure status indication in `bzr status' output
407 ;; is a couple of lines following the pattern::
410 ;; if the file is up-to-date, we get no status report from `bzr',
411 ;; so if the regexp search for the above pattern fails, we consider
412 ;; the file to be up-to-date.
413 (goto-char (point-min))
414 (when (re-search-forward
415 ;; bzr prints paths relative to the repository root.
416 (concat "^\\(" vc-bzr-state-words
"\\):[ \t\n]+"
417 (regexp-quote (vc-bzr-file-name-relative file
))
418 ;; Bzr appends a '/' to directory names and
419 ;; '*' to executable files
420 (if (file-directory-p file
) "/?" "\\*?")
423 (let ((statusword (match-string 1)))
424 ;; Erase the status text that matched.
425 (delete-region (match-beginning 0) (match-end 0))
427 (intern (replace-regexp-in-string " " "" statusword
)))))
429 (goto-char (point-min))
430 (skip-chars-forward " \n\t") ;Throw away spaces.
432 ;; "bzr" will output warnings and informational messages to
433 ;; stderr; due to Emacs's `vc-do-command' (and, it seems,
434 ;; `start-process' itself) limitations, we cannot catch stderr
435 ;; and stdout into different buffers. So, if there's anything
436 ;; left in the buffer after removing the above status
437 ;; keywords, let us just presume that any other message from
438 ;; "bzr" is a user warning, and display it.
439 (unless (eobp) (buffer-substring (point) (point-max))))))))
441 (defun vc-bzr-state (file)
442 (let ((result (vc-bzr-status file
)))
444 (let ((warnings (cdr result
)))
446 ;; bzr 2.3.0 returns info about shelves, which is not really a warning
447 (when (string-match "[0-9]+ shel\\(f\\|ves\\) exists?\\..*?\n" warnings
)
448 (setq warnings
(replace-match "" nil nil warnings
)))
449 (unless (string= warnings
"")
450 (message "Warnings in `bzr' output: %s" warnings
))))
451 (cdr (assq (car result
)
453 (kindchanged . edited
)
458 (unknown . unregistered
)
459 (unchanged . up-to-date
)))))))
461 (defun vc-bzr-resolve-when-done ()
462 "Call \"bzr resolve\" if the conflict markers have been removed."
464 (goto-char (point-min))
465 (unless (re-search-forward "^<<<<<<< " nil t
)
466 (vc-bzr-command "resolve" nil
0 buffer-file-name
)
467 ;; Remove the hook so that it is not called multiple times.
468 (remove-hook 'after-save-hook
'vc-bzr-resolve-when-done t
))))
470 (defun vc-bzr-find-file-hook ()
471 (when (and buffer-file-name
472 ;; FIXME: We should check that "bzr status" says "conflict".
473 (file-exists-p (concat buffer-file-name
".BASE"))
474 (file-exists-p (concat buffer-file-name
".OTHER"))
475 (file-exists-p (concat buffer-file-name
".THIS"))
476 ;; If "bzr status" says there's a conflict but there are no
477 ;; conflict markers, it's not clear what we should do.
479 (goto-char (point-min))
480 (re-search-forward "^<<<<<<< " nil t
)))
481 ;; TODO: the merge algorithm used in `bzr merge' is nicely configurable,
482 ;; but the one in `bzr pull' isn't, so it would be good to provide an
483 ;; elisp function to remerge from the .BASE/OTHER/THIS files.
484 (smerge-start-session)
485 (add-hook 'after-save-hook
'vc-bzr-resolve-when-done nil t
)
486 (message "There are unresolved conflicts in this file")))
488 (defun vc-bzr-workfile-unchanged-p (file)
489 (eq 'unchanged
(car (vc-bzr-status file
))))
491 (defun vc-bzr-working-revision (file)
492 ;; Together with the code in vc-state-heuristic, this makes it possible
493 ;; to get the initial VC state of a Bzr file even if Bzr is not installed.
494 (let* ((rootdir (vc-bzr-root file
))
495 (branch-format-file (expand-file-name vc-bzr-admin-branch-format-file
497 (revhistory-file (expand-file-name vc-bzr-admin-revhistory rootdir
))
498 (lastrev-file (expand-file-name vc-bzr-admin-lastrev rootdir
)))
499 ;; This looks at internal files to avoid forking a bzr process.
500 ;; May break if they change their format.
501 (if (and (file-exists-p branch-format-file
)
502 ;; For lightweight checkouts (obtained with bzr co --lightweight)
503 ;; the branch-format-file does not contain the revision
504 ;; information, we need to look up the branch-format-file
505 ;; in the place where the lightweight checkout comes
506 ;; from. We only do that if it's a local file.
507 (let ((location-fname (expand-file-name
508 (concat vc-bzr-admin-dirname
509 "/branch/location") rootdir
)))
510 ;; The existence of this file is how we distinguish
511 ;; lightweight checkouts.
512 (if (file-exists-p location-fname
)
514 (insert-file-contents location-fname
)
515 ;; If the lightweight checkout points to a
516 ;; location in the local file system, then we can
517 ;; look there for the version information.
518 (when (re-search-forward "file://\\(.+\\)" nil t
)
519 (let ((l-c-parent-dir (match-string 1)))
520 (when (and (memq system-type
'(ms-dos windows-nt
))
521 (string-match-p "^/[[:alpha:]]:"
523 ;;; The non-Windows code takes a shortcut by using
524 ;;; the host/path separator slash as the start of
525 ;;; the absolute path. That does not work on
526 ;;; Windows, so we must remove it (bug#5345)
527 (setq l-c-parent-dir
(substring l-c-parent-dir
1)))
528 (setq branch-format-file
529 (expand-file-name vc-bzr-admin-branch-format-file
532 (expand-file-name vc-bzr-admin-lastrev
534 ;; FIXME: maybe it's overkill to check if both these
536 (and (file-exists-p branch-format-file
)
537 (file-exists-p lastrev-file
)))))
540 (insert-file-contents branch-format-file
)
541 (goto-char (point-min))
544 (looking-at "Bazaar-NG branch, format 0.0.4")
545 (looking-at "Bazaar-NG branch format 5"))
546 ;; count lines in .bzr/branch/revision-history
547 (insert-file-contents revhistory-file
)
548 (number-to-string (count-lines (line-end-position) (point-max))))
550 (looking-at "Bazaar Branch Format 6 (bzr 0.15)")
551 (looking-at "Bazaar Branch Format 7 (needs bzr 1.6)"))
552 ;; revno is the first number in .bzr/branch/last-revision
553 (insert-file-contents lastrev-file
)
554 (when (re-search-forward "[0-9]+" nil t
)
555 (buffer-substring (match-beginning 0) (match-end 0))))))
556 ;; fallback to calling "bzr revno"
557 (let* ((result (vc-bzr-command-discarding-stderr
558 vc-bzr-program
"revno" (file-relative-name file
)))
559 (exitcode (car result
))
560 (output (cdr result
)))
562 ((eq exitcode
0) (substring output
0 -
1))
565 (defun vc-bzr-create-repo ()
566 "Create a new Bzr repository."
567 (vc-bzr-command "init" nil
0 nil
))
569 (defun vc-bzr-init-revision (&optional _file
)
570 "Always return nil, as Bzr cannot register explicit versions."
573 (defun vc-bzr-previous-revision (_file rev
)
574 (if (string-match "\\`[0-9]+\\'" rev
)
575 (number-to-string (1- (string-to-number rev
)))
576 (concat "before:" rev
)))
578 (defun vc-bzr-next-revision (_file rev
)
579 (if (string-match "\\`[0-9]+\\'" rev
)
580 (number-to-string (1+ (string-to-number rev
)))
581 (error "Don't know how to compute the next revision of %s" rev
)))
583 (defun vc-bzr-register (files &optional rev _comment
)
584 "Register FILES under bzr.
585 Signal an error unless REV is nil.
587 (if rev
(error "Can't register explicit revision with bzr"))
588 (vc-bzr-command "add" nil
0 files
))
590 ;; Could run `bzr status' in the directory and see if it succeeds, but
591 ;; that's relatively expensive.
592 (defalias 'vc-bzr-responsible-p
'vc-bzr-root
593 "Return non-nil if FILE is (potentially) controlled by bzr.
594 The criterion is that there is a `.bzr' directory in the same
595 or a superior directory.")
597 (defun vc-bzr-could-register (file)
598 "Return non-nil if FILE could be registered under bzr."
599 (and (vc-bzr-responsible-p file
) ; shortcut
602 (vc-bzr-command "add" t
0 file
"--dry-run")
603 ;; The command succeeds with no output if file is
604 ;; registered (in bzr 0.8).
605 (goto-char (point-min))
606 (looking-at "added "))
609 (defun vc-bzr-unregister (file)
610 "Unregister FILE from bzr."
611 (vc-bzr-command "remove" nil
0 file
"--keep"))
613 (declare-function log-edit-extract-headers
"log-edit" (headers string
))
615 (defun vc-bzr-checkin (files rev comment
)
616 "Check FILES in to bzr with log message COMMENT.
617 REV non-nil gets an error."
618 (if rev
(error "Can't check in a specific revision with bzr"))
619 (apply 'vc-bzr-command
"commit" nil
0
620 files
(cons "-m" (log-edit-extract-headers '(("Author" .
"--author")
621 ("Date" .
"--commit-time")
622 ("Fixes" .
"--fixes"))
625 (defun vc-bzr-find-revision (file rev buffer
)
626 "Fetch revision REV of file FILE and put it into BUFFER."
627 (with-current-buffer buffer
628 (if (and rev
(stringp rev
) (not (string= rev
"")))
629 (vc-bzr-command "cat" t
0 file
"-r" rev
)
630 (vc-bzr-command "cat" t
0 file
))))
632 (defun vc-bzr-checkout (_file &optional _editable rev
)
633 (if rev
(error "Operation not supported")
634 ;; Else, there's nothing to do.
637 (defun vc-bzr-revert (file &optional contents-done
)
638 (unless contents-done
639 (with-temp-buffer (vc-bzr-command "revert" t
0 file
))))
641 (defvar log-view-message-re
)
642 (defvar log-view-file-re
)
643 (defvar log-view-font-lock-keywords
)
644 (defvar log-view-current-tag-function
)
645 (defvar log-view-per-file-logs
)
646 (defvar log-view-expanded-log-entry-function
)
648 (define-derived-mode vc-bzr-log-view-mode log-view-mode
"Bzr-Log-View"
649 (remove-hook 'log-view-mode-hook
'vc-bzr-log-view-mode
) ;Deactivate the hack.
651 (set (make-local-variable 'log-view-per-file-logs
) nil
)
652 (set (make-local-variable 'log-view-file-re
) "\\`a\\`")
653 (set (make-local-variable 'log-view-message-re
)
654 (if (eq vc-log-view-type
'short
)
655 "^ *\\([0-9.]+\\): \\(.*?\\)[ \t]+\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\\)\\( \\[merge\\]\\)?"
656 "^ *\\(?:revno: \\([0-9.]+\\)\\|merged: .+\\)"))
657 ;; Allow expanding short log entries
658 (when (eq vc-log-view-type
'short
)
659 (setq truncate-lines t
)
660 (set (make-local-variable 'log-view-expanded-log-entry-function
)
661 'vc-bzr-expanded-log-entry
))
662 (set (make-local-variable 'log-view-font-lock-keywords
)
663 ;; log-view-font-lock-keywords is careful to use the buffer-local
664 ;; value of log-view-message-re only since Emacs-23.
665 (if (eq vc-log-view-type
'short
)
666 (append `((,log-view-message-re
667 (1 'log-view-message-face
)
670 (4 'change-log-list nil lax
))))
671 (append `((,log-view-message-re .
'log-view-message-face
))
672 ;; log-view-font-lock-keywords
673 '(("^ *\\(?:committer\\|author\\): \
674 \\([^<(]+?\\)[ ]*[(<]\\([[:alnum:]_.+-]+@[[:alnum:]_.-]+\\)[>)]"
676 (2 'change-log-email
))
677 ("^ *timestamp: \\(.*\\)" (1 'change-log-date-face
)))))))
679 (defun vc-bzr-print-log (files buffer
&optional shortlog start-revision limit
)
680 "Get bzr change log for FILES into specified BUFFER."
681 ;; `vc-do-command' creates the buffer, but we need it before running
683 (vc-setup-buffer buffer
)
684 ;; If the buffer exists from a previous invocation it might be
686 ;; FIXME: `vc-bzr-command' runs `bzr log' with `LC_MESSAGES=C', so
687 ;; the log display may not what the user wants - but I see no other
688 ;; way of getting the above regexps working.
689 (with-current-buffer buffer
690 (apply 'vc-bzr-command
"log" buffer
'async files
692 (when shortlog
'("--line"))
693 (when start-revision
(list (format "-r..%s" start-revision
)))
694 (when limit
(list "-l" (format "%s" limit
)))
695 (if (stringp vc-bzr-log-switches
)
696 (list vc-bzr-log-switches
)
697 vc-bzr-log-switches
)))))
699 (defun vc-bzr-expanded-log-entry (revision)
701 (apply 'vc-bzr-command
"log" t nil nil
702 (list (format "-r%s" revision
)))
703 (goto-char (point-min))
704 (when (looking-at "^-+\n")
705 ;; Indent the expanded log entry.
706 (indent-region (match-end 0) (point-max) 2)
707 (buffer-substring (match-end 0) (point-max)))))
709 (defun vc-bzr-log-incoming (buffer remote-location
)
710 (apply 'vc-bzr-command
"missing" buffer
'async nil
711 (list "--theirs-only" (unless (string= remote-location
"") remote-location
))))
713 (defun vc-bzr-log-outgoing (buffer remote-location
)
714 (apply 'vc-bzr-command
"missing" buffer
'async nil
715 (list "--mine-only" (unless (string= remote-location
"") remote-location
))))
717 (defun vc-bzr-show-log-entry (revision)
718 "Find entry for patch name REVISION in bzr change log buffer."
719 (goto-char (point-min))
721 (let (case-fold-search
723 (if (re-search-forward
724 ;; "revno:" can appear either at the beginning of a line,
726 (concat "^[ ]*-+\n[ ]*revno: "
727 ;; The revision can contain ".", quote it so that it
728 ;; does not interfere with regexp matching.
729 (regexp-quote revision
) "$") nil t
)
731 (beginning-of-line 0)
733 (goto-char (point-min)))
736 (defun vc-bzr-diff (files &optional rev1 rev2 buffer
)
737 "VC bzr backend for diff."
738 (let* ((switches (vc-switches 'bzr
'diff
))
741 ;; Only add --diff-options if there are any diff switches.
742 (unless (zerop (length switches
))
743 (list "--diff-options" (mapconcat 'identity switches
" ")))
744 ;; This `when' is just an optimization because bzr-1.2 is *much*
745 ;; faster when the revision argument is not given.
747 (list "-r" (format "%s..%s"
750 ;; `bzr diff' exits with code 1 if diff is non-empty.
751 (apply #'vc-bzr-command
"diff" (or buffer
"*vc-diff*")
752 (if vc-disable-async-diff
1 'async
) files
756 ;; FIXME: vc-{next,previous}-revision need fixing in vc.el to deal with
757 ;; straight integer revisions.
759 (defun vc-bzr-delete-file (file)
760 "Delete FILE and delete it in the bzr repository."
764 (vc-bzr-command "remove" nil
0 file
))
766 (defun vc-bzr-rename-file (old new
)
767 "Rename file from OLD to NEW using `bzr mv'."
768 (setq old
(expand-file-name old
))
769 (setq new
(expand-file-name new
))
770 (vc-bzr-command "mv" nil
0 new old
)
771 (message "Renamed %s => %s" old new
))
773 (defvar vc-bzr-annotation-table nil
775 (make-variable-buffer-local 'vc-bzr-annotation-table
)
777 (defun vc-bzr-annotate-command (file buffer
&optional revision
)
778 "Prepare BUFFER for `vc-annotate' on FILE.
779 Each line is tagged with the revision number, which has a `help-echo'
780 property containing author and date information."
781 (apply #'vc-bzr-command
"annotate" buffer
'async file
"--long" "--all"
782 (if revision
(list "-r" revision
)))
783 (let ((table (make-hash-table :test
'equal
)))
785 (get-buffer-process buffer
)
786 (lambda (proc string
)
787 (when (process-buffer proc
)
788 (with-current-buffer (process-buffer proc
)
789 (setq string
(concat (process-get proc
:vc-left-over
) string
))
790 ;; Eg: 102020 Gnus developers 20101020 | regexp."
791 ;; As of bzr 2.2.2, no email address in whoami (which can
792 ;; lead to spaces in the author field) is allowed but discouraged.
794 (while (string-match "^\\( *[0-9.]+ *\\) \\(.+?\\) +\\([0-9]\\{8\\}\\)\\( |.*\n\\)" string
)
795 (let* ((rev (match-string 1 string
))
796 (author (match-string 2 string
))
797 (date (match-string 3 string
))
798 (key (substring string
(match-beginning 0)
799 (match-beginning 4)))
800 (line (match-string 4 string
))
801 (tag (gethash key table
))
802 (inhibit-read-only t
))
803 (setq string
(substring string
(match-end 0)))
807 (format "%s %-7.7s" rev author
)
808 'help-echo
(format "Revision: %d, author: %s, date: %s"
809 (string-to-number rev
)
811 'mouse-face
'highlight
))
812 (puthash key tag table
))
813 (goto-char (process-mark proc
))
815 (move-marker (process-mark proc
) (point))))
816 (process-put proc
:vc-left-over string
)))))))
818 (declare-function vc-annotate-convert-time
"vc-annotate" (time))
820 (defun vc-bzr-annotate-time ()
821 (when (re-search-forward "^ *[0-9.]+ +.+? +|" nil t
)
822 (let ((prop (get-text-property (line-beginning-position) 'help-echo
)))
823 (string-match "[0-9]+\\'" prop
)
824 (let ((str (match-string-no-properties 0 prop
)))
825 (vc-annotate-convert-time
827 (string-to-number (substring str
6 8))
828 (string-to-number (substring str
4 6))
829 (string-to-number (substring str
0 4))))))))
831 (defun vc-bzr-annotate-extract-revision-at-line ()
832 "Return revision for current line of annotation buffer, or nil.
833 Return nil if current line isn't annotated."
836 (if (looking-at "^ *\\([0-9.]+\\) +.* +|")
837 (match-string-no-properties 1))))
839 (defun vc-bzr-command-discarding-stderr (command &rest args
)
840 "Execute shell command COMMAND (with ARGS); return its output and exitcode.
841 Return value is a cons (EXITCODE . OUTPUT), where EXITCODE is
842 the (numerical) exit code of the process, and OUTPUT is a string
843 containing whatever the process sent to its standard output
844 stream. Standard error output is discarded."
847 (apply #'process-file command nil
(list (current-buffer) nil
) nil args
)
848 (buffer-substring (point-min) (point-max)))))
850 (cl-defstruct (vc-bzr-extra-fileinfo
852 (:constructor vc-bzr-create-extra-fileinfo
(extra-name))
853 (:conc-name vc-bzr-extra-fileinfo-
>))
854 extra-name
) ;; original name for rename targets, new name for
856 (defun vc-bzr-dir-printer (info)
857 "Pretty-printer for the vc-dir-fileinfo structure."
858 (let ((extra (vc-dir-fileinfo->extra info
)))
859 (vc-default-dir-printer 'Bzr info
)
862 (format " (renamed from %s)"
863 (vc-bzr-extra-fileinfo->extra-name extra
))
864 'face
'font-lock-comment-face
)))))
866 ;; FIXME: this needs testing, it's probably incomplete.
867 (defun vc-bzr-after-dir-status (update-function relative-dir
)
868 (let ((status-str nil
)
869 (translation '(("+N " . added
)
871 (" M " . edited
) ;; file text modified
872 (" *" . edited
) ;; execute bit changed
873 (" M*" . edited
) ;; text modified + execute bit changed
876 ;; For conflicts, should we list the .THIS/.BASE/.OTHER?
878 ("? " . unregistered
)
879 ;; No such state, but we need to distinguish this case.
882 ;; For a non existent file FOO, the output is:
883 ;; bzr: ERROR: Path(s) do not exist: FOO
885 ;; If the tree is not up to date, bzr will print this warning:
886 ;; working tree is out of date, run 'bzr update'
888 ;; FIXME: maybe this warning can be put in the vc-dir header...
890 ;; Ignore "P " and "P." for pending patches.
896 (goto-char (point-min))
898 ;; Bzr 2.3.0 added this if there are shelves. (Bug#8170)
899 (unless (looking-at "[0-9]+ shel\\(f\\|ves\\) exists?\\.")
901 (buffer-substring-no-properties (point) (+ (point) 3)))
902 (setq translated
(cdr (assoc status-str translation
)))
904 ((eq translated
'conflict
)
905 ;; For conflicts the file appears twice in the listing: once
906 ;; with the M flag and once with the C flag, so take care
907 ;; not to add it twice to `result'. Ugly.
909 (buffer-substring-no-properties
910 ;;For files with conflicts the format is:
911 ;;C Text conflict in FILENAME
913 (+ (point) 21) (line-end-position)))
914 (entry (assoc file result
)))
916 (setf (nth 1 entry
) 'conflict
))))
917 ((eq translated
'renamed
)
918 (re-search-forward "R[ M] \\(.*\\) => \\(.*\\)$" (line-end-position) t
)
919 (let ((new-name (file-relative-name (match-string 2) relative-dir
))
920 (old-name (file-relative-name (match-string 1) relative-dir
)))
921 (push (list new-name
'edited
922 (vc-bzr-create-extra-fileinfo old-name
)) result
)))
923 ;; do nothing for non existent files
924 ((memq translated
'(not-found ignored
)))
926 (push (list (file-relative-name
927 (buffer-substring-no-properties
929 (line-end-position)) relative-dir
)
930 translated
) result
))))
932 (funcall update-function result
)))
934 (defun vc-bzr-dir-status (dir update-function
)
935 "Return a list of conses (file . state) for DIR."
936 (vc-bzr-command "status" (current-buffer) 'async dir
"-v" "-S")
938 `(vc-bzr-after-dir-status (quote ,update-function
)
939 ;; "bzr status" results are relative to
940 ;; the bzr root directory, NOT to the
941 ;; directory "bzr status" was invoked in.
943 ;; We pass the relative directory here so
944 ;; that `vc-bzr-after-dir-status' can
945 ;; frob the results accordingly.
946 (file-relative-name ,dir
(vc-bzr-root ,dir
)))))
948 (defun vc-bzr-dir-status-files (dir files _default-state update-function
)
949 "Return a list of conses (file . state) for DIR."
950 (apply 'vc-bzr-command
"status" (current-buffer) 'async dir
"-v" "-S" files
)
952 `(vc-bzr-after-dir-status (quote ,update-function
)
953 (file-relative-name ,dir
(vc-bzr-root ,dir
)))))
955 (defvar vc-bzr-shelve-map
956 (let ((map (make-sparse-keymap)))
957 ;; Turn off vc-dir marking
958 (define-key map
[mouse-2
] 'ignore
)
960 (define-key map
[down-mouse-3
] 'vc-bzr-shelve-menu
)
961 (define-key map
"\C-k" 'vc-bzr-shelve-delete-at-point
)
962 (define-key map
"=" 'vc-bzr-shelve-show-at-point
)
963 (define-key map
"\C-m" 'vc-bzr-shelve-show-at-point
)
964 (define-key map
"A" 'vc-bzr-shelve-apply-and-keep-at-point
)
965 (define-key map
"P" 'vc-bzr-shelve-apply-at-point
)
966 (define-key map
"S" 'vc-bzr-shelve-snapshot
)
969 (defvar vc-bzr-shelve-menu-map
970 (let ((map (make-sparse-keymap "Bzr Shelve")))
972 '(menu-item "Delete Shelf" vc-bzr-shelve-delete-at-point
973 :help "Delete the current shelf"))
975 '(menu-item "Apply and Keep Shelf" vc-bzr-shelve-apply-and-keep-at-point
976 :help "Apply the current shelf and keep it"))
978 '(menu-item "Apply and Remove Shelf (Pop)" vc-bzr-shelve-apply-at-point
979 :help "Apply the current shelf and remove it"))
981 '(menu-item "Show Shelve" vc-bzr-shelve-show-at-point
982 :help "Show the contents of the current shelve"))
985 (defvar vc-bzr-extra-menu-map
986 (let ((map (make-sparse-keymap)))
987 (define-key map [bzr-sn]
988 '(menu-item "Shelve a Snapshot" vc-bzr-shelve-snapshot
989 :help "Shelve the current state of the tree and keep the current state"))
990 (define-key map [bzr-sh]
991 '(menu-item "Shelve..." vc-bzr-shelve
992 :help "Shelve changes"))
995 (defun vc-bzr-extra-menu () vc-bzr-extra-menu-map)
997 (defun vc-bzr-extra-status-menu () vc-bzr-extra-menu-map)
999 (defun vc-bzr-dir-extra-headers (dir)
1001 ((str (with-temp-buffer
1002 (vc-bzr-command "info" t 0 dir)
1004 (shelve (vc-bzr-shelve-list))
1005 (shelve-help-echo "Use M-x vc-bzr-shelve to create shelves")
1006 (root-dir (vc-bzr-root dir))
1008 ;; FIXME: looking for .bzr/checkout/merge-hashes is not a
1009 ;; reliable method to detect pending merges, disable this
1010 ;; until a proper solution is implemented.
1013 (expand-file-name ".bzr/checkout/merge-hashes" root-dir))))
1014 (pending-merge-help-echo
1015 (format "A merge has been performed.\nA commit from the top-level directory (%s)\nis required before being able to check in anything else" root-dir))
1017 (when (string-match ".+light checkout root: \\(.+\\)$" str)
1018 (match-string 1 str)))
1019 (light-checkout-branch
1020 (when light-checkout
1021 (when (string-match ".+checkout of branch: \\(.+\\)$" str)
1022 (match-string 1 str)))))
1024 (propertize "Parent branch : " 'face 'font-lock-type-face)
1026 (if (string-match "parent branch: \\(.+\\)$" str)
1027 (match-string 1 str)
1029 'face 'font-lock-variable-name-face)
1031 (when light-checkout
1033 (propertize "Light checkout root: " 'face 'font-lock-type-face)
1034 (propertize light-checkout 'face 'font-lock-variable-name-face)
1036 (when light-checkout-branch
1038 (propertize "Checkout of branch : " 'face 'font-lock-type-face)
1039 (propertize light-checkout-branch 'face 'font-lock-variable-name-face)
1043 (propertize "Warning : " 'face 'font-lock-warning-face
1044 'help-echo pending-merge-help-echo)
1045 (propertize "Pending merges, commit recommended before any other action"
1046 'help-echo pending-merge-help-echo
1047 'face 'font-lock-warning-face)
1051 (propertize "Shelves :\n" 'face 'font-lock-type-face
1052 'help-echo shelve-help-echo)
1056 'face 'font-lock-variable-name-face
1057 'mouse-face 'highlight
1058 'help-echo "mouse-3: Show shelve menu\nA: Apply and keep shelf\nP: Apply and remove shelf (pop)\nS: Snapshot to a shelf\nC-k: Delete shelf"
1059 'keymap vc-bzr-shelve-map))
1062 (propertize "Shelves : " 'face 'font-lock-type-face
1063 'help-echo shelve-help-echo)
1064 (propertize "No shelved changes"
1065 'help-echo shelve-help-echo
1066 'face 'font-lock-variable-name-face))))))
1068 (defun vc-bzr-shelve (name)
1070 (interactive "sShelf name: ")
1071 (let ((root (vc-bzr-root default-directory)))
1073 (vc-bzr-command "shelve" nil 0 nil "--all" "-m" name)
1074 (vc-resynch-buffer root t t))))
1076 (defun vc-bzr-shelve-show (name)
1077 "Show the contents of shelve NAME."
1078 (interactive "sShelve name: ")
1079 (vc-setup-buffer "*vc-diff*")
1080 ;; FIXME: how can you show the contents of a shelf?
1081 (vc-bzr-command "unshelve" "*vc-diff*" 'async nil "--preview" name)
1082 (set-buffer "*vc-diff*")
1084 (setq buffer-read-only t)
1085 (pop-to-buffer (current-buffer)))
1087 (defun vc-bzr-shelve-apply (name)
1088 "Apply shelve NAME and remove it afterwards."
1089 (interactive "sApply (and remove) shelf: ")
1090 (vc-bzr-command "unshelve" nil 0 nil "--apply" name)
1091 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1093 (defun vc-bzr-shelve-apply-and-keep (name)
1094 "Apply shelve NAME and keep it afterwards."
1095 (interactive "sApply (and keep) shelf: ")
1096 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep" name)
1097 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1099 (defun vc-bzr-shelve-snapshot ()
1100 "Create a stash with the current tree state."
1102 (vc-bzr-command "shelve" nil 0 nil "--all" "-m"
1103 (let ((ct (current-time)))
1105 (format-time-string "Snapshot on %Y-%m-%d" ct)
1106 (format-time-string " at %H:%M" ct))))
1107 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep")
1108 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1110 (defun vc-bzr-shelve-list ()
1112 (vc-bzr-command "shelve" (current-buffer) 1 nil "--list" "-q")
1116 (buffer-substring (point-min) (point-max))
1119 (defun vc-bzr-shelve-get-at-point (point)
1123 (if (looking-at "^ +\\([0-9]+\\):")
1125 (error "Cannot find shelf at point"))))
1127 (defun vc-bzr-shelve-delete-at-point ()
1129 (let ((shelve (vc-bzr-shelve-get-at-point (point))))
1130 (when (y-or-n-p (format "Remove shelf %s ? " shelve))
1131 (vc-bzr-command "unshelve" nil 0 nil "--delete-only" shelve)
1134 (defun vc-bzr-shelve-show-at-point ()
1136 (vc-bzr-shelve-show (vc-bzr-shelve-get-at-point (point))))
1138 (defun vc-bzr-shelve-apply-at-point ()
1140 (vc-bzr-shelve-apply (vc-bzr-shelve-get-at-point (point))))
1142 (defun vc-bzr-shelve-apply-and-keep-at-point ()
1144 (vc-bzr-shelve-apply-and-keep (vc-bzr-shelve-get-at-point (point))))
1146 (defun vc-bzr-shelve-menu (e)
1148 (vc-dir-at-event e (popup-menu vc-bzr-shelve-menu-map e)))
1150 (defun vc-bzr-revision-table (files)
1151 (let ((vc-bzr-revisions '())
1152 (default-directory (file-name-directory (car files))))
1154 (vc-bzr-command "log" t 0 files "--line")
1155 (let ((start (point-min))
1156 (loglines (buffer-substring-no-properties (point-min) (point-max))))
1157 (while (string-match "^\\([0-9]+\\):" loglines)
1158 (push (match-string 1 loglines) vc-bzr-revisions)
1159 (setq start (+ start (match-end 0)))
1160 (setq loglines (buffer-substring-no-properties start (point-max))))))
1163 (defun vc-bzr-conflicted-files (dir)
1164 (let ((default-directory (vc-bzr-root dir))
1167 (vc-bzr-command "status" t 0 default-directory)
1168 (goto-char (point-min))
1169 (when (re-search-forward "^conflicts:\n" nil t)
1170 (while (looking-at " \\(?:Text conflict in \\(.*\\)\\|.*\\)\n")
1172 (push (expand-file-name (match-string 1)) files))
1173 (goto-char (match-end 0)))))
1176 ;;; Revision completion
1179 (defconst vc-bzr-revision-keywords
1180 ;; bzr help revisionspec | sed -ne 's/^\([a-z]*\):$/"\1"/p' | sort -u
1181 '("ancestor" "annotate" "before" "branch" "date" "last" "mainline" "revid"
1182 "revno" "submit" "tag")))
1184 (defun vc-bzr-revision-completion-table (files)
1185 ;; What about using `files'?!? --Stef
1186 (lambda (string pred action)
1188 ((string-match "\\`\\(ancestor\\|branch\\|\\(revno:\\)?[-0-9]+:\\):"
1190 (completion-table-with-context (substring string 0 (match-end 0))
1192 'completion-table-with-predicate
1193 'completion-file-name-table
1194 'file-directory-p t)
1195 (substring string (match-end 0))
1198 ((string-match "\\`\\(before\\):" string)
1199 (completion-table-with-context (substring string 0 (match-end 0))
1200 (vc-bzr-revision-completion-table files)
1201 (substring string (match-end 0))
1204 ((string-match "\\`\\(tag\\):" string)
1205 (let ((prefix (substring string 0 (match-end 0)))
1206 (tag (substring string (match-end 0)))
1208 process-file-side-effects)
1210 ;; "bzr-1.2 tags" is much faster with --show-ids.
1211 (process-file vc-bzr-program nil '(t) nil "tags" "--show-ids")
1212 ;; The output is ambiguous, unless we assume that revids do not
1214 (goto-char (point-min))
1215 (while (re-search-forward "^\\(.*[^ \n]\\) +[^ \n]*$" nil t)
1216 (push (match-string-no-properties 1) table)))
1217 (completion-table-with-context prefix table tag pred action)))
1219 ((string-match "\\`annotate:" string)
1220 (completion-table-with-context
1221 (substring string 0 (match-end 0))
1222 (apply-partially #'completion-table-with-terminator '(":" . "\\`a\\`")
1223 #'completion-file-name-table)
1224 (substring string (match-end 0)) pred action))
1226 ((string-match "\\`date:" string)
1227 (completion-table-with-context
1228 (substring string 0 (match-end 0))
1229 '("yesterday" "today" "tomorrow")
1230 (substring string (match-end 0)) pred action))
1232 ((string-match "\\`\\([a-z]+\\):" string)
1233 ;; no actual completion for the remaining keywords.
1234 (completion-table-with-context (substring string 0 (match-end 0))
1235 (if (member (match-string 1 string)
1236 vc-bzr-revision-keywords)
1237 ;; If it's a valid keyword,
1238 ;; use a non-empty table to
1241 (substring string (match-end 0))
1245 ;; Could use completion-table-with-terminator, except that it
1246 ;; currently doesn't work right w.r.t pcm and doesn't give
1247 ;; the *Completions* output we want.
1248 (complete-with-action action (eval-when-compile
1249 (mapcar (lambda (s) (concat s ":"))
1250 vc-bzr-revision-keywords))
1255 ;;; vc-bzr.el ends here