Tweak previous vz-bzr change yet again
[bpt/emacs.git] / lisp / vc / vc-bzr.el
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1;;; vc-bzr.el --- VC backend for the bzr revision control system
2
44e97401 3;; Copyright (C) 2006-2012 Free Software Foundation, Inc.
b6e0e86c 4
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5;; Author: Dave Love <fx@gnu.org>
6;; Riccardo Murri <riccardo.murri@gmail.com>
2b404597 7;; Maintainer: FSF
9766adfb 8;; Keywords: vc tools
b6e0e86c 9;; Created: Sept 2006
bd78fa1d 10;; Package: vc
b6e0e86c 11
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12;; This file is part of GNU Emacs.
13
14;; GNU Emacs is free software: you can redistribute it and/or modify
b6e0e86c 15;; it under the terms of the GNU General Public License as published by
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16;; the Free Software Foundation, either version 3 of the License, or
17;; (at your option) any later version.
b6e0e86c 18
eb3fa2cf 19;; GNU Emacs is distributed in the hope that it will be useful,
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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.
23
24;; You should have received a copy of the GNU General Public License
eb3fa2cf 25;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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26
27;;; Commentary:
28
2b404597 29;; See <URL:http://bazaar.canonical.com/> concerning bzr.
b6e0e86c 30
2b404597 31;; This library provides bzr support in VC.
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32
33;; Known bugs
34;; ==========
35
ba5bf642 36;; When editing a symlink and *both* the symlink and its target
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37;; are bzr-versioned, `vc-bzr` presently runs `bzr status` on the
38;; symlink, thereby not detecting whether the actual contents
eb3fa2cf 39;; (that is, the target contents) are changed.
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40;; See https://bugs.launchpad.net/vc-bzr/+bug/116607
41
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42;;; Properties of the backend
43
44(defun vc-bzr-revision-granularity () 'repository)
45(defun vc-bzr-checkout-model (files) 'implicit)
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46
47;;; Code:
48
49(eval-when-compile
37320a58 50 (require 'cl)
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51 (require 'vc) ;; for vc-exec-after
52 (require 'vc-dir))
b6e0e86c 53
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54;; Clear up the cache to force vc-call to check again and discover
55;; new functions when we reload this file.
4211679b 56(put 'Bzr 'vc-functions nil)
360cf7bc 57
b6e0e86c 58(defgroup vc-bzr nil
67b0de11 59 "VC Bazaar (bzr) backend."
fba500b6 60 :version "22.2"
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61 :group 'vc)
62
63(defcustom vc-bzr-program "bzr"
37320a58 64 "Name of the bzr command (excluding any arguments)."
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65 :group 'vc-bzr
66 :type 'string)
67
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68(defcustom vc-bzr-sha1-program '("sha1sum")
69 "Name of program to compute SHA1.
70It must be a string \(program name\) or list of strings \(name and its args\)."
71 :type '(repeat string)
72 :group 'vc-bzr)
73
74(define-obsolete-variable-alias 'sha1-program 'vc-bzr-sha1-program "24.1")
75
b6e0e86c 76(defcustom vc-bzr-diff-switches nil
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77 "String or list of strings specifying switches for bzr diff under VC.
78If nil, use the value of `vc-diff-switches'. If t, use no switches."
79 :type '(choice (const :tag "Unspecified" nil)
80 (const :tag "None" t)
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81 (string :tag "Argument String")
82 (repeat :tag "Argument List" :value ("") string))
83 :group 'vc-bzr)
84
f4d0cf23 85(defcustom vc-bzr-log-switches nil
f9528daa 86 "String or list of strings specifying switches for bzr log under VC."
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87 :type '(choice (const :tag "None" nil)
88 (string :tag "Argument String")
89 (repeat :tag "Argument List" :value ("") string))
90 :group 'vc-bzr)
91
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92(defcustom vc-bzr-status-switches
93 (ignore-errors
94 (with-temp-buffer
95 (call-process vc-bzr-program nil t nil "help" "status")
b4715d2a 96 (if (search-backward "--no-classify" nil t)
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97 "--no-classify")))
98 "String or list of strings specifying switches for bzr status under VC.
99The option \"--no-classify\" should be present if your bzr supports it."
100 :type '(choice (const :tag "None" nil)
101 (string :tag "Argument String")
102 (repeat :tag "Argument List" :value ("") string))
103 :group 'vc-bzr
104 :version "24.1")
105
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106;; since v0.9, bzr supports removing the progress indicators
107;; by setting environment variable BZR_PROGRESS_BAR to "none".
8cdd17b4 108(defun vc-bzr-command (bzr-command buffer okstatus file-or-list &rest args)
37320a58 109 "Wrapper round `vc-do-command' using `vc-bzr-program' as COMMAND.
f4d0cf23 110Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
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111`LC_MESSAGES=C' to the environment. If BZR-COMMAND is \"status\",
112prepends `vc-bzr-status-switches' to ARGS."
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113 (let ((process-environment
114 (list* "BZR_PROGRESS_BAR=none" ; Suppress progress output (bzr >=0.9)
f4d0cf23 115 "LC_MESSAGES=C" ; Force English output
a460c94c 116 process-environment)))
2888a97e 117 (apply 'vc-do-command (or buffer "*vc*") okstatus vc-bzr-program
335aff35 118 file-or-list bzr-command
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119 (if (and (string-equal "status" bzr-command)
120 vc-bzr-status-switches)
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121 (append (if (stringp vc-bzr-status-switches)
122 (list vc-bzr-status-switches)
123 vc-bzr-status-switches)
124 args)
125 args))))
b6e0e86c 126
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127(defun vc-bzr-async-command (bzr-command &rest args)
128 "Wrapper round `vc-do-async-command' using `vc-bzr-program' as COMMAND.
129Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
130`LC_MESSAGES=C' to the environment.
131Use the current Bzr root directory as the ROOT argument to
132`vc-do-async-command', and specify an output buffer named
a2b6e5d6 133\"*vc-bzr : ROOT*\". Return this buffer."
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134 (let* ((process-environment
135 (list* "BZR_PROGRESS_BAR=none" "LC_MESSAGES=C"
136 process-environment))
137 (root (vc-bzr-root default-directory))
138 (buffer (format "*vc-bzr : %s*" (expand-file-name root))))
139 (apply 'vc-do-async-command buffer root
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140 vc-bzr-program bzr-command args)
141 buffer))
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142
143;;;###autoload
f4d0cf23 144(defconst vc-bzr-admin-dirname ".bzr"
b6e6e09a 145 "Name of the directory containing Bzr repository status files.")
2b404597 146;; Used in the autoloaded vc-bzr-registered; see below.
a460c94c 147;;;###autoload
b6e6e09a 148(defconst vc-bzr-admin-checkout-format-file
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149 (concat vc-bzr-admin-dirname "/checkout/format")
150 "Name of the format file in a .bzr directory.")
a460c94c 151(defconst vc-bzr-admin-dirstate
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152 (concat vc-bzr-admin-dirname "/checkout/dirstate"))
153(defconst vc-bzr-admin-branch-format-file
154 (concat vc-bzr-admin-dirname "/branch/format"))
a460c94c 155(defconst vc-bzr-admin-revhistory
b6e6e09a 156 (concat vc-bzr-admin-dirname "/branch/revision-history"))
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157(defconst vc-bzr-admin-lastrev
158 (concat vc-bzr-admin-dirname "/branch/last-revision"))
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159(defconst vc-bzr-admin-branchconf
160 (concat vc-bzr-admin-dirname "/branch/branch.conf"))
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161
162;;;###autoload (defun vc-bzr-registered (file)
b6e6e09a 163;;;###autoload (if (vc-find-root file vc-bzr-admin-checkout-format-file)
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164;;;###autoload (progn
165;;;###autoload (load "vc-bzr")
166;;;###autoload (vc-bzr-registered file))))
b6e0e86c 167
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168(defun vc-bzr-root (file)
169 "Return the root directory of the bzr repository containing FILE."
170 ;; Cache technique copied from vc-arch.el.
171 (or (vc-file-getprop file 'bzr-root)
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172 (let ((root (vc-find-root file vc-bzr-admin-checkout-format-file)))
173 (when root (vc-file-setprop file 'bzr-root root)))))
b6e0e86c 174
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175(defun vc-bzr-branch-conf (file)
176 "Return the Bazaar branch settings for file FILE, as an alist.
177Each element of the returned alist has the form (NAME . VALUE),
178which are the name and value of a Bazaar setting, as strings.
179
180The settings are read from the file \".bzr/branch/branch.conf\"
181in the repository root directory of FILE."
182 (let (settings)
183 (with-temp-buffer
184 (insert-file-contents
185 (expand-file-name vc-bzr-admin-branchconf (vc-bzr-root file)))
186 (while (re-search-forward "^\\([^#=][^=]*?\\) *= *\\(.*\\)$" nil t)
187 (push (cons (match-string 1) (match-string 2)) settings)))
188 settings))
2c3160c5 189
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190(defun vc-bzr-sha1 (file)
191 (with-temp-buffer
192 (set-buffer-multibyte nil)
e1b90ef6 193 (let ((prog vc-bzr-sha1-program)
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194 (args nil)
195 process-file-side-effects)
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196 (when (consp prog)
197 (setq args (cdr prog))
198 (setq prog (car prog)))
07c4b87c 199 (apply 'process-file prog (file-relative-name file) t nil args)
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200 (buffer-substring (point-min) (+ (point-min) 40)))))
201
202(defun vc-bzr-state-heuristic (file)
203 "Like `vc-bzr-state' but hopefully without running Bzr."
2b404597 204 ;; `bzr status' was excruciatingly slow with large histories and
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205 ;; pending merges, so try to avoid using it until they fix their
206 ;; performance problems.
207 ;; This function tries first to parse Bzr internal file
208 ;; `checkout/dirstate', but it may fail if Bzr internal file format
209 ;; has changed. As a safeguard, the `checkout/dirstate' file is
210 ;; only parsed if it contains the string `#bazaar dirstate flat
211 ;; format 3' in the first line.
212 ;; If the `checkout/dirstate' file cannot be parsed, fall back to
213 ;; running `vc-bzr-state'."
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214 ;;
215 ;; The format of the dirstate file is explained in bzrlib/dirstate.py
216 ;; in the bzr distribution. Basically:
217 ;; header-line giving the version of the file format in use.
218 ;; a few lines of stuff
219 ;; entries, one per line, with null-separated fields. Each line:
220 ;; entry_key = dirname (may be empty), basename, file-id
221 ;; current = common ( = kind, fingerprint, size, executable )
222 ;; + working ( = packed_stat )
223 ;; parent = common ( as above ) + history ( = rev_id )
224 ;; kinds = (r)elocated, (a)bsent, (d)irectory, (f)ile, (l)ink
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225 (lexical-let ((root (vc-bzr-root file)))
226 (when root ; Short cut.
fba500b6 227 (lexical-let ((dirstate (expand-file-name vc-bzr-admin-dirstate root)))
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228 (condition-case nil
229 (with-temp-buffer
230 (insert-file-contents dirstate)
231 (goto-char (point-min))
232 (if (not (looking-at "#bazaar dirstate flat format 3"))
233 (vc-bzr-state file) ; Some other unknown format?
234 (let* ((relfile (file-relative-name file root))
235 (reldir (file-name-directory relfile)))
236 (if (re-search-forward
237 (concat "^\0"
238 (if reldir (regexp-quote
239 (directory-file-name reldir)))
240 "\0"
241 (regexp-quote (file-name-nondirectory relfile))
242 "\0"
243 "[^\0]*\0" ;id?
244 "\\([^\0]*\\)\0" ;"a/f/d", a=removed?
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245 "\\([^\0]*\\)\0" ;sha1 (empty if conflicted)?
246 "\\([^\0]*\\)\0" ;size?p
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247 ;; y/n. Whether or not the current copy
248 ;; was executable the last time bzr checked?
249 "[^\0]*\0"
2793b89e 250 "[^\0]*\0" ;?
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251 ;; Parent information. Absent in a new repo.
252 "\\(?:\\([^\0]*\\)\0" ;"a/f/d" a=added?
2793b89e 253 "\\([^\0]*\\)\0" ;sha1 again?
137d88ca 254 "\\([^\0]*\\)\0" ;size again?
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255 ;; y/n. Whether or not the repo thinks
256 ;; the file should be executable?
257 "\\([^\0]*\\)\0"
f96dc50f 258 "[^\0]*\0\\)?" ;last revid?
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259 ;; There are more fields when merges are pending.
260 )
261 nil t)
262 ;; Apparently the second sha1 is the one we want: when
263 ;; there's a conflict, the first sha1 is absent (and the
264 ;; first size seems to correspond to the file with
265 ;; conflict markers).
266 (cond
267 ((eq (char-after (match-beginning 1)) ?a) 'removed)
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268 ;; If there is no parent, this must be a new repo.
269 ;; If file is in dirstate, can only be added (b#8025).
270 ((or (not (match-beginning 4))
271 (eq (char-after (match-beginning 4)) ?a)) 'added)
137d88ca 272 ((or (and (eq (string-to-number (match-string 3))
2793b89e 273 (nth 7 (file-attributes file)))
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274 (equal (match-string 5)
275 (vc-bzr-sha1 file))
276 ;; For a file, does the executable state match?
277 ;; (Bug#7544)
278 (or (not
279 (eq (char-after (match-beginning 1)) ?f))
280 (let ((exe
281 (memq
282 ?x
283 (mapcar
284 'identity
285 (nth 8 (file-attributes file))))))
286 (if (eq (char-after (match-beginning 7))
287 ?y)
288 exe
289 (not exe)))))
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290 (and
291 ;; It looks like for lightweight
292 ;; checkouts \2 is empty and we need to
293 ;; look for size in \6.
294 (eq (match-beginning 2) (match-end 2))
295 (eq (string-to-number (match-string 6))
296 (nth 7 (file-attributes file)))
297 (equal (match-string 5)
298 (vc-bzr-sha1 file))))
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299 'up-to-date)
300 (t 'edited))
301 'unregistered))))
302 ;; Either the dirstate file can't be read, or the sha1
303 ;; executable is missing, or ...
304 ;; In either case, recent versions of Bzr aren't that slow
305 ;; any more.
306 (error (vc-bzr-state file)))))))
307
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308
309(defun vc-bzr-registered (file)
310 "Return non-nil if FILE is registered with bzr."
311 (let ((state (vc-bzr-state-heuristic file)))
312 (not (memq state '(nil unregistered ignored)))))
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313
314(defconst vc-bzr-state-words
33e5d7d4 315 "added\\|ignored\\|kind changed\\|modified\\|removed\\|renamed\\|unknown"
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316 "Regexp matching file status words as reported in `bzr' output.")
317
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318;; History of Bzr commands.
319(defvar vc-bzr-history nil)
320
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321(defun vc-bzr-file-name-relative (filename)
322 "Return file name FILENAME stripped of the initial Bzr repository path."
323 (lexical-let*
324 ((filename* (expand-file-name filename))
f4d0cf23 325 (rootdir (vc-bzr-root filename*)))
def61be2 326 (when rootdir
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327 (file-relative-name filename* rootdir))))
328
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329(defvar vc-bzr-error-regex-alist
330 '(("^\\( M[* ]\\|+N \\|-D \\|\\| \\*\\|R[M ] \\) \\(.+\\)" 2 nil nil 1)
331 ("^C \\(.+\\)" 2)
332 ("^Text conflict in \\(.+\\)" 1 nil nil 2)
333 ("^Using saved parent location: \\(.+\\)" 1 nil nil 0))
334 "Value of `compilation-error-regexp-alist' in *vc-bzr* buffers.")
335
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336(defun vc-bzr-pull (prompt)
337 "Pull changes into the current Bzr branch.
338Normally, this runs \"bzr pull\". However, if the branch is a
339bound branch, run \"bzr update\" instead. If there is no default
340location from which to pull or update, or if PROMPT is non-nil,
341prompt for the Bzr command to run."
342 (let* ((vc-bzr-program vc-bzr-program)
3ab713fd 343 (branch-conf (vc-bzr-branch-conf default-directory))
2c3160c5 344 ;; Check whether the branch is bound.
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345 (bound (assoc "bound" branch-conf))
346 (bound (and bound (equal "true" (downcase (cdr bound)))))
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347 ;; If we need to do a "bzr pull", check for a parent. If it
348 ;; does not exist, bzr will need a pull location.
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349 (has-parent (unless bound
350 (assoc "parent_location" branch-conf)))
2c3160c5 351 (command (if bound "update" "pull"))
3d92f44e 352 args)
2c3160c5 353 ;; If necessary, prompt for the exact command.
3ab713fd 354 (when (or prompt (not (or bound has-parent)))
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355 (setq args (split-string
356 (read-shell-command
a2b6e5d6 357 "Bzr pull command: "
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358 (concat vc-bzr-program " " command)
359 'vc-bzr-history)
360 " " t))
361 (setq vc-bzr-program (car args)
362 command (cadr args)
363 args (cddr args)))
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364 (let ((buf (apply 'vc-bzr-async-command command args)))
365 (with-current-buffer buf
366 (vc-exec-after
367 `(progn
368 (let ((compilation-error-regexp-alist
369 vc-bzr-error-regex-alist))
370 (compilation-mode))
371 (set (make-local-variable 'compilation-error-regexp-alist)
372 vc-bzr-error-regex-alist))))
373 (vc-set-async-update buf))))
2c3160c5 374
3d92f44e 375(defun vc-bzr-merge-branch ()
2c3160c5 376 "Merge another Bzr branch into the current one.
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377Prompt for the Bzr command to run, providing a pre-defined merge
378source (an upstream branch or a previous merge source) as a
379default if it is available."
3ab713fd 380 (let* ((branch-conf (vc-bzr-branch-conf default-directory))
3d92f44e 381 ;; "bzr merge" without an argument defaults to submit_branch,
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382 ;; then parent_location. Extract the specific location and
383 ;; add it explicitly to the command line.
3ab713fd 384 (setting nil)
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385 (location
386 (cond
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387 ((setq setting (assoc "submit_branch" branch-conf))
388 (cdr setting))
389 ((setq setting (assoc "parent_location" branch-conf))
390 (cdr setting))))
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391 (cmd
392 (split-string
393 (read-shell-command
a2b6e5d6 394 "Bzr merge command: "
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395 (concat vc-bzr-program " merge --pull"
396 (if location (concat " " location) ""))
397 'vc-bzr-history)
398 " " t))
399 (vc-bzr-program (car cmd))
400 (command (cadr cmd))
401 (args (cddr cmd)))
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402 (let ((buf (apply 'vc-bzr-async-command command args)))
403 (with-current-buffer buf
404 (vc-exec-after
405 `(progn
406 (let ((compilation-error-regexp-alist
407 vc-bzr-error-regex-alist))
408 (compilation-mode))
409 (set (make-local-variable 'compilation-error-regexp-alist)
410 vc-bzr-error-regex-alist))))
411 (vc-set-async-update buf))))
2c3160c5 412
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413(defun vc-bzr-status (file)
414 "Return FILE status according to Bzr.
415Return value is a cons (STATUS . WARNING), where WARNING is a
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416string or nil, and STATUS is one of the symbols: `added',
417`ignored', `kindchanged', `modified', `removed', `renamed', `unknown',
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418which directly correspond to `bzr status' output, or 'unchanged
419for files whose copy in the working tree is identical to the one
420in the branch repository, or nil for files that are not
421registered with Bzr.
422
423If any error occurred in running `bzr status', then return nil."
77b5d458 424 (with-temp-buffer
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425 (let ((ret (condition-case nil
426 (vc-bzr-command "status" t 0 file)
427 (file-error nil))) ; vc-bzr-program not found.
428 (status 'unchanged))
429 ;; the only secure status indication in `bzr status' output
430 ;; is a couple of lines following the pattern::
431 ;; | <status>:
432 ;; | <file name>
433 ;; if the file is up-to-date, we get no status report from `bzr',
434 ;; so if the regexp search for the above pattern fails, we consider
435 ;; the file to be up-to-date.
436 (goto-char (point-min))
437 (when (re-search-forward
438 ;; bzr prints paths relative to the repository root.
439 (concat "^\\(" vc-bzr-state-words "\\):[ \t\n]+"
440 (regexp-quote (vc-bzr-file-name-relative file))
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441 ;; Bzr appends a '/' to directory names and
442 ;; '*' to executable files
443 (if (file-directory-p file) "/?" "\\*?")
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444 "[ \t\n]*$")
445 nil t)
6e98ad29 446 (lexical-let ((statusword (match-string 1)))
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447 ;; Erase the status text that matched.
448 (delete-region (match-beginning 0) (match-end 0))
33e5d7d4 449 (setq status
f4d0cf23 450 (intern (replace-regexp-in-string " " "" statusword)))))
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451 (when status
452 (goto-char (point-min))
453 (skip-chars-forward " \n\t") ;Throw away spaces.
454 (cons status
455 ;; "bzr" will output warnings and informational messages to
44e97401 456 ;; stderr; due to Emacs's `vc-do-command' (and, it seems,
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457 ;; `start-process' itself) limitations, we cannot catch stderr
458 ;; and stdout into different buffers. So, if there's anything
459 ;; left in the buffer after removing the above status
460 ;; keywords, let us just presume that any other message from
461 ;; "bzr" is a user warning, and display it.
462 (unless (eobp) (buffer-substring (point) (point-max))))))))
a0e5e075 463
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464(defun vc-bzr-state (file)
465 (lexical-let ((result (vc-bzr-status file)))
466 (when (consp result)
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467 (let ((warnings (cdr result)))
468 (when warnings
469 ;; bzr 2.3.0 returns info about shelves, which is not really a warning
ebe06da9 470 (when (string-match "[0-9]+ shel\\(f\\|ves\\) exists?\\..*?\n" warnings)
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471 (setq warnings (replace-match "" nil nil warnings)))
472 (unless (string= warnings "")
473 (message "Warnings in `bzr' output: %s" warnings))))
33e5d7d4 474 (cdr (assq (car result)
6a3f9bb7 475 '((added . added)
fba500b6 476 (kindchanged . edited)
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477 (renamed . edited)
478 (modified . edited)
54bf3704 479 (removed . removed)
3702367b 480 (ignored . ignored)
54bf3704 481 (unknown . unregistered)
33e5d7d4 482 (unchanged . up-to-date)))))))
b6e0e86c 483
b0a08954
SM
484(defun vc-bzr-resolve-when-done ()
485 "Call \"bzr resolve\" if the conflict markers have been removed."
486 (save-excursion
487 (goto-char (point-min))
488 (unless (re-search-forward "^<<<<<<< " nil t)
489 (vc-bzr-command "resolve" nil 0 buffer-file-name)
490 ;; Remove the hook so that it is not called multiple times.
491 (remove-hook 'after-save-hook 'vc-bzr-resolve-when-done t))))
492
493(defun vc-bzr-find-file-hook ()
494 (when (and buffer-file-name
495 ;; FIXME: We should check that "bzr status" says "conflict".
496 (file-exists-p (concat buffer-file-name ".BASE"))
497 (file-exists-p (concat buffer-file-name ".OTHER"))
498 (file-exists-p (concat buffer-file-name ".THIS"))
499 ;; If "bzr status" says there's a conflict but there are no
500 ;; conflict markers, it's not clear what we should do.
501 (save-excursion
502 (goto-char (point-min))
503 (re-search-forward "^<<<<<<< " nil t)))
504 ;; TODO: the merge algorithm used in `bzr merge' is nicely configurable,
505 ;; but the one in `bzr pull' isn't, so it would be good to provide an
506 ;; elisp function to remerge from the .BASE/OTHER/THIS files.
507 (smerge-start-session)
508 (add-hook 'after-save-hook 'vc-bzr-resolve-when-done nil t)
509 (message "There are unresolved conflicts in this file")))
510
b6e0e86c 511(defun vc-bzr-workfile-unchanged-p (file)
33e5d7d4 512 (eq 'unchanged (car (vc-bzr-status file))))
b6e0e86c 513
ac3f4c6f 514(defun vc-bzr-working-revision (file)
82eb83ff
SM
515 ;; Together with the code in vc-state-heuristic, this makes it possible
516 ;; to get the initial VC state of a Bzr file even if Bzr is not installed.
a460c94c
SM
517 (lexical-let*
518 ((rootdir (vc-bzr-root file))
6e98ad29
SM
519 (branch-format-file (expand-file-name vc-bzr-admin-branch-format-file
520 rootdir))
521 (revhistory-file (expand-file-name vc-bzr-admin-revhistory rootdir))
522 (lastrev-file (expand-file-name vc-bzr-admin-lastrev rootdir)))
523 ;; This looks at internal files to avoid forking a bzr process.
524 ;; May break if they change their format.
be14a425
DN
525 (if (and (file-exists-p branch-format-file)
526 ;; For lightweight checkouts (obtained with bzr checkout --lightweight)
527 ;; the branch-format-file does not contain the revision
528 ;; information, we need to look up the branch-format-file
529 ;; in the place where the lightweight checkout comes
530 ;; from. We only do that if it's a local file.
531 (let ((location-fname (expand-file-name
532 (concat vc-bzr-admin-dirname
533 "/branch/location") rootdir)))
534 ;; The existence of this file is how we distinguish
535 ;; lightweight checkouts.
536 (if (file-exists-p location-fname)
537 (with-temp-buffer
538 (insert-file-contents location-fname)
37860caf
DN
539 ;; If the lightweight checkout points to a
540 ;; location in the local file system, then we can
541 ;; look there for the version information.
542 (when (re-search-forward "file://\\(.+\\)" nil t)
543 (let ((l-c-parent-dir (match-string 1)))
6ee86780
JB
544 (when (and (memq system-type '(ms-dos windows-nt))
545 (string-match-p "^/[[:alpha:]]:" l-c-parent-dir))
6c49ab95
JB
546 ;;; The non-Windows code takes a shortcut by using the host/path
547 ;;; separator slash as the start of the absolute path. That
548 ;;; does not work on Windows, so we must remove it (bug#5345)
6ee86780 549 (setq l-c-parent-dir (substring l-c-parent-dir 1)))
37860caf
DN
550 (setq branch-format-file
551 (expand-file-name vc-bzr-admin-branch-format-file
552 l-c-parent-dir))
553 (setq lastrev-file
554 (expand-file-name vc-bzr-admin-lastrev l-c-parent-dir))
555 ;; FIXME: maybe it's overkill to check if both these files exist.
556 (and (file-exists-p branch-format-file)
557 (file-exists-p lastrev-file)))))
be14a425 558 t)))
fba500b6 559 (with-temp-buffer
def61be2 560 (insert-file-contents branch-format-file)
a460c94c
SM
561 (goto-char (point-min))
562 (cond
563 ((or
564 (looking-at "Bazaar-NG branch, format 0.0.4")
565 (looking-at "Bazaar-NG branch format 5"))
566 ;; count lines in .bzr/branch/revision-history
def61be2 567 (insert-file-contents revhistory-file)
a460c94c 568 (number-to-string (count-lines (line-end-position) (point-max))))
65105010
DN
569 ((or
570 (looking-at "Bazaar Branch Format 6 (bzr 0.15)")
571 (looking-at "Bazaar Branch Format 7 (needs bzr 1.6)"))
a460c94c 572 ;; revno is the first number in .bzr/branch/last-revision
def61be2 573 (insert-file-contents lastrev-file)
65105010
DN
574 (when (re-search-forward "[0-9]+" nil t)
575 (buffer-substring (match-beginning 0) (match-end 0))))))
a460c94c 576 ;; fallback to calling "bzr revno"
b6e6e09a 577 (lexical-let*
a460c94c 578 ((result (vc-bzr-command-discarding-stderr
07c4b87c 579 vc-bzr-program "revno" (file-relative-name file)))
b6e6e09a
SM
580 (exitcode (car result))
581 (output (cdr result)))
582 (cond
583 ((eq exitcode 0) (substring output 0 -1))
584 (t nil))))))
b6e0e86c 585
a6ea7ffc 586(defun vc-bzr-create-repo ()
4211679b 587 "Create a new Bzr repository."
a6ea7ffc
DN
588 (vc-bzr-command "init" nil 0 nil))
589
25a4ea6d 590(defun vc-bzr-init-revision (&optional file)
f4d0cf23
SM
591 "Always return nil, as Bzr cannot register explicit versions."
592 nil)
593
882e82db
SM
594(defun vc-bzr-previous-revision (file rev)
595 (if (string-match "\\`[0-9]+\\'" rev)
596 (number-to-string (1- (string-to-number rev)))
597 (concat "before:" rev)))
598
599(defun vc-bzr-next-revision (file rev)
600 (if (string-match "\\`[0-9]+\\'" rev)
601 (number-to-string (1+ (string-to-number rev)))
602 (error "Don't know how to compute the next revision of %s" rev)))
603
8cdd17b4 604(defun vc-bzr-register (files &optional rev comment)
2b404597 605 "Register FILES under bzr.
b6e0e86c
SM
606Signal an error unless REV is nil.
607COMMENT is ignored."
5b5afd50 608 (if rev (error "Can't register explicit revision with bzr"))
8cdd17b4 609 (vc-bzr-command "add" nil 0 files))
b6e0e86c
SM
610
611;; Could run `bzr status' in the directory and see if it succeeds, but
612;; that's relatively expensive.
b6e6e09a 613(defalias 'vc-bzr-responsible-p 'vc-bzr-root
b6e0e86c
SM
614 "Return non-nil if FILE is (potentially) controlled by bzr.
615The criterion is that there is a `.bzr' directory in the same
37320a58 616or a superior directory.")
b6e0e86c
SM
617
618(defun vc-bzr-could-register (file)
619 "Return non-nil if FILE could be registered under bzr."
620 (and (vc-bzr-responsible-p file) ; shortcut
621 (condition-case ()
622 (with-temp-buffer
623 (vc-bzr-command "add" t 0 file "--dry-run")
624 ;; The command succeeds with no output if file is
625 ;; registered (in bzr 0.8).
360cf7bc 626 (goto-char (point-min))
b6e0e86c
SM
627 (looking-at "added "))
628 (error))))
629
630(defun vc-bzr-unregister (file)
631 "Unregister FILE from bzr."
f4d0cf23 632 (vc-bzr-command "remove" nil 0 file "--keep"))
b6e0e86c 633
e97a42c1
SM
634(declare-function log-edit-extract-headers "log-edit" (headers string))
635
636(defun vc-bzr-checkin (files rev comment)
2b404597 637 "Check FILES in to bzr with log message COMMENT.
b6e0e86c 638REV non-nil gets an error."
5b5afd50 639 (if rev (error "Can't check in a specific revision with bzr"))
a1d830c7 640 (apply 'vc-bzr-command "commit" nil 0
e97a42c1 641 files (cons "-m" (log-edit-extract-headers '(("Author" . "--author")
fab43c76 642 ("Date" . "--commit-time")
e97a42c1
SM
643 ("Fixes" . "--fixes"))
644 comment))))
b6e0e86c 645
d3c24c25
DN
646(defun vc-bzr-find-revision (file rev buffer)
647 "Fetch revision REV of file FILE and put it into BUFFER."
f4d0cf23
SM
648 (with-current-buffer buffer
649 (if (and rev (stringp rev) (not (string= rev "")))
650 (vc-bzr-command "cat" t 0 file "-r" rev)
651 (vc-bzr-command "cat" t 0 file))))
652
5a3b79c4
SM
653(defun vc-bzr-checkout (file &optional editable rev)
654 (if rev (error "Operation not supported")
655 ;; Else, there's nothing to do.
656 nil))
b6e0e86c
SM
657
658(defun vc-bzr-revert (file &optional contents-done)
659 (unless contents-done
33e5d7d4 660 (with-temp-buffer (vc-bzr-command "revert" t 0 file))))
b6e0e86c 661
37320a58
SM
662(defvar log-view-message-re)
663(defvar log-view-file-re)
664(defvar log-view-font-lock-keywords)
665(defvar log-view-current-tag-function)
def61be2 666(defvar log-view-per-file-logs)
d4eb88c7 667(defvar log-view-expanded-log-entry-function)
37320a58
SM
668
669(define-derived-mode vc-bzr-log-view-mode log-view-mode "Bzr-Log-View"
670 (remove-hook 'log-view-mode-hook 'vc-bzr-log-view-mode) ;Deactivate the hack.
b6e0e86c 671 (require 'add-log)
6653c6b7 672 (set (make-local-variable 'log-view-per-file-logs) nil)
1c0f0c3b 673 (set (make-local-variable 'log-view-file-re) "\\`a\\`")
37320a58 674 (set (make-local-variable 'log-view-message-re)
31527c56 675 (if (eq vc-log-view-type 'short)
755da7fa 676 "^ *\\([0-9.]+\\): \\(.*?\\)[ \t]+\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\\)\\( \\[merge\\]\\)?"
32ba3abc 677 "^ *\\(?:revno: \\([0-9.]+\\)\\|merged: .+\\)"))
d4eb88c7
CY
678 ;; Allow expanding short log entries
679 (when (eq vc-log-view-type 'short)
33f6cf7b 680 (setq truncate-lines t)
d4eb88c7
CY
681 (set (make-local-variable 'log-view-expanded-log-entry-function)
682 'vc-bzr-expanded-log-entry))
b6e0e86c 683 (set (make-local-variable 'log-view-font-lock-keywords)
37320a58
SM
684 ;; log-view-font-lock-keywords is careful to use the buffer-local
685 ;; value of log-view-message-re only since Emacs-23.
31527c56 686 (if (eq vc-log-view-type 'short)
32ba3abc
DN
687 (append `((,log-view-message-re
688 (1 'log-view-message-face)
689 (2 'change-log-name)
690 (3 'change-log-date)
99999a1d 691 (4 'change-log-list nil lax))))
32ba3abc
DN
692 (append `((,log-view-message-re . 'log-view-message-face))
693 ;; log-view-font-lock-keywords
3d5d0aa9 694 '(("^ *\\(?:committer\\|author\\): \
5ec05779 695\\([^<(]+?\\)[ ]*[(<]\\([[:alnum:]_.+-]+@[[:alnum:]_.-]+\\)[>)]"
32ba3abc
DN
696 (1 'change-log-name)
697 (2 'change-log-email))
698 ("^ *timestamp: \\(.*\\)" (1 'change-log-date-face)))))))
b6e0e86c 699
662c5698 700(defun vc-bzr-print-log (files buffer &optional shortlog start-revision limit)
8cdd17b4 701 "Get bzr change log for FILES into specified BUFFER."
ac51b151
DN
702 ;; `vc-do-command' creates the buffer, but we need it before running
703 ;; the command.
704 (vc-setup-buffer buffer)
705 ;; If the buffer exists from a previous invocation it might be
706 ;; read-only.
5a3b79c4
SM
707 ;; FIXME: `vc-bzr-command' runs `bzr log' with `LC_MESSAGES=C', so
708 ;; the log display may not what the user wants - but I see no other
709 ;; way of getting the above regexps working.
1c0f0c3b
DN
710 (with-current-buffer buffer
711 (apply 'vc-bzr-command "log" buffer 'async files
3f6bd790 712 (append
755da7fa 713 (when shortlog '("--line"))
662c5698 714 (when start-revision (list (format "-r..%s" start-revision)))
3f6bd790
DN
715 (when limit (list "-l" (format "%s" limit)))
716 (if (stringp vc-bzr-log-switches)
717 (list vc-bzr-log-switches)
718 vc-bzr-log-switches)))))
b6e0e86c 719
d4eb88c7
CY
720(defun vc-bzr-expanded-log-entry (revision)
721 (with-temp-buffer
722 (apply 'vc-bzr-command "log" t nil nil
723 (list (format "-r%s" revision)))
724 (goto-char (point-min))
725 (when (looking-at "^-+\n")
726 ;; Indent the expanded log entry.
727 (indent-region (match-end 0) (point-max) 2)
728 (buffer-substring (match-end 0) (point-max)))))
729
31527c56
DN
730(defun vc-bzr-log-incoming (buffer remote-location)
731 (apply 'vc-bzr-command "missing" buffer 'async nil
732 (list "--theirs-only" (unless (string= remote-location "") remote-location))))
733
734(defun vc-bzr-log-outgoing (buffer remote-location)
735 (apply 'vc-bzr-command "missing" buffer 'async nil
736 (list "--mine-only" (unless (string= remote-location "") remote-location))))
737
5b5afd50
ER
738(defun vc-bzr-show-log-entry (revision)
739 "Find entry for patch name REVISION in bzr change log buffer."
b6e0e86c 740 (goto-char (point-min))
89d98000 741 (when revision
662c5698
DN
742 (let (case-fold-search
743 found)
89d98000
DN
744 (if (re-search-forward
745 ;; "revno:" can appear either at the beginning of a line,
746 ;; or indented.
747 (concat "^[ ]*-+\n[ ]*revno: "
748 ;; The revision can contain ".", quote it so that it
749 ;; does not interfere with regexp matching.
750 (regexp-quote revision) "$") nil t)
662c5698
DN
751 (progn
752 (beginning-of-line 0)
753 (setq found t))
754 (goto-char (point-min)))
755 found)))
b6e0e86c 756
8cdd17b4 757(defun vc-bzr-diff (files &optional rev1 rev2 buffer)
b6e0e86c 758 "VC bzr backend for diff."
27bbeb29
DD
759 (let* ((switches (vc-switches 'bzr 'diff))
760 (args
761 (append
762 ;; Only add --diff-options if there are any diff switches.
763 (unless (zerop (length switches))
764 (list "--diff-options" (mapconcat 'identity switches " ")))
765 ;; This `when' is just an optimization because bzr-1.2 is *much*
766 ;; faster when the revision argument is not given.
767 (when (or rev1 rev2)
768 (list "-r" (format "%s..%s"
769 (or rev1 "revno:-1")
770 (or rev2 "")))))))
771 ;; `bzr diff' exits with code 1 if diff is non-empty.
772 (apply #'vc-bzr-command "diff" (or buffer "*vc-diff*")
773 (if vc-disable-async-diff 1 'async) files
774 args)))
b6e0e86c 775
b6e0e86c 776
5b5afd50
ER
777;; FIXME: vc-{next,previous}-revision need fixing in vc.el to deal with
778;; straight integer revisions.
b6e0e86c
SM
779
780(defun vc-bzr-delete-file (file)
781 "Delete FILE and delete it in the bzr repository."
782 (condition-case ()
783 (delete-file file)
784 (file-error nil))
785 (vc-bzr-command "remove" nil 0 file))
786
787(defun vc-bzr-rename-file (old new)
788 "Rename file from OLD to NEW using `bzr mv'."
bc86f573
CY
789 (setq old (expand-file-name old))
790 (setq new (expand-file-name new))
791 (vc-bzr-command "mv" nil 0 new old)
792 (message "Renamed %s => %s" old new))
b6e0e86c
SM
793
794(defvar vc-bzr-annotation-table nil
795 "Internal use.")
796(make-variable-buffer-local 'vc-bzr-annotation-table)
797
5b5afd50 798(defun vc-bzr-annotate-command (file buffer &optional revision)
b6e0e86c
SM
799 "Prepare BUFFER for `vc-annotate' on FILE.
800Each line is tagged with the revision number, which has a `help-echo'
801property containing author and date information."
62ccc42c 802 (apply #'vc-bzr-command "annotate" buffer 'async file "--long" "--all"
a6762235 803 (if revision (list "-r" revision)))
62ccc42c
SM
804 (lexical-let ((table (make-hash-table :test 'equal)))
805 (set-process-filter
806 (get-buffer-process buffer)
807 (lambda (proc string)
808 (when (process-buffer proc)
809 (with-current-buffer (process-buffer proc)
810 (setq string (concat (process-get proc :vc-left-over) string))
b0a8e46b
GM
811 ;; Eg: 102020 Gnus developers 20101020 | regexp."
812 ;; As of bzr 2.2.2, no email address in whoami (which can
813 ;; lead to spaces in the author field) is allowed but discouraged.
814 ;; See bug#7792.
815 (while (string-match "^\\( *[0-9.]+ *\\) \\(.+?\\) +\\([0-9]\\{8\\}\\)\\( |.*\n\\)" string)
62ccc42c
SM
816 (let* ((rev (match-string 1 string))
817 (author (match-string 2 string))
818 (date (match-string 3 string))
819 (key (substring string (match-beginning 0)
820 (match-beginning 4)))
821 (line (match-string 4 string))
822 (tag (gethash key table))
823 (inhibit-read-only t))
824 (setq string (substring string (match-end 0)))
2c6bb71a
CY
825 (unless tag
826 (setq tag
827 (propertize
f82b1493 828 (format "%s %-7.7s" rev author)
2c6bb71a
CY
829 'help-echo (format "Revision: %d, author: %s, date: %s"
830 (string-to-number rev)
831 author date)
832 'mouse-face 'highlight))
62ccc42c
SM
833 (puthash key tag table))
834 (goto-char (process-mark proc))
835 (insert tag line)
836 (move-marker (process-mark proc) (point))))
837 (process-put proc :vc-left-over string)))))))
b6e0e86c 838
f8bd9ac6
DN
839(declare-function vc-annotate-convert-time "vc-annotate" (time))
840
b6e0e86c 841(defun vc-bzr-annotate-time ()
362b9d48 842 (when (re-search-forward "^ *[0-9.]+ +.+? +|" nil t)
a6762235
DN
843 (let ((prop (get-text-property (line-beginning-position) 'help-echo)))
844 (string-match "[0-9]+\\'" prop)
f8381803 845 (let ((str (match-string-no-properties 0 prop)))
b6e0e86c
SM
846 (vc-annotate-convert-time
847 (encode-time 0 0 0
f8381803
SM
848 (string-to-number (substring str 6 8))
849 (string-to-number (substring str 4 6))
850 (string-to-number (substring str 0 4))))))))
b6e0e86c
SM
851
852(defun vc-bzr-annotate-extract-revision-at-line ()
2b404597 853 "Return revision for current line of annotation buffer, or nil.
b6e0e86c
SM
854Return nil if current line isn't annotated."
855 (save-excursion
856 (beginning-of-line)
b0a8e46b 857 (if (looking-at "^ *\\([0-9.]+\\) +.* +|")
a6762235 858 (match-string-no-properties 1))))
b6e0e86c 859
a460c94c
SM
860(defun vc-bzr-command-discarding-stderr (command &rest args)
861 "Execute shell command COMMAND (with ARGS); return its output and exitcode.
b6e6e09a
SM
862Return value is a cons (EXITCODE . OUTPUT), where EXITCODE is
863the (numerical) exit code of the process, and OUTPUT is a string
864containing whatever the process sent to its standard output
865stream. Standard error output is discarded."
866 (with-temp-buffer
a460c94c 867 (cons
07c4b87c 868 (apply #'process-file command nil (list (current-buffer) nil) nil args)
b6e6e09a 869 (buffer-substring (point-min) (point-max)))))
b6e0e86c 870
a0c38937
DN
871(defstruct (vc-bzr-extra-fileinfo
872 (:copier nil)
873 (:constructor vc-bzr-create-extra-fileinfo (extra-name))
874 (:conc-name vc-bzr-extra-fileinfo->))
875 extra-name) ;; original name for rename targets, new name for
876
da4d4066 877(defun vc-bzr-dir-printer (info)
a0c38937
DN
878 "Pretty-printer for the vc-dir-fileinfo structure."
879 (let ((extra (vc-dir-fileinfo->extra info)))
da4d4066 880 (vc-default-dir-printer 'Bzr info)
a0c38937
DN
881 (when extra
882 (insert (propertize
883 (format " (renamed from %s)"
884 (vc-bzr-extra-fileinfo->extra-name extra))
885 'face 'font-lock-comment-face)))))
886
701d018c 887;; FIXME: this needs testing, it's probably incomplete.
460f6e7c 888(defun vc-bzr-after-dir-status (update-function relative-dir)
7ee8e7eb 889 (let ((status-str nil)
701d018c
DN
890 (translation '(("+N " . added)
891 ("-D " . removed)
892 (" M " . edited) ;; file text modified
893 (" *" . edited) ;; execute bit changed
894 (" M*" . edited) ;; text modified + execute bit changed
13754b54 895 ("I " . ignored)
701d018c 896 (" D " . missing)
f8381803 897 ;; For conflicts, should we list the .THIS/.BASE/.OTHER?
701d018c
DN
898 ("C " . conflict)
899 ("? " . unregistered)
a0c38937
DN
900 ;; No such state, but we need to distinguish this case.
901 ("R " . renamed)
b9236874 902 ("RM " . renamed)
11b4001c
DN
903 ;; For a non existent file FOO, the output is:
904 ;; bzr: ERROR: Path(s) do not exist: FOO
905 ("bzr" . not-found)
be14a425
DN
906 ;; If the tree is not up to date, bzr will print this warning:
907 ;; working tree is out of date, run 'bzr update'
908 ;; ignore it.
909 ;; FIXME: maybe this warning can be put in the vc-dir header...
910 ("wor" . not-found)
f8381803 911 ;; Ignore "P " and "P." for pending patches.
7534fa5e
DN
912 ("P " . not-found)
913 ("P. " . not-found)
f8381803 914 ))
7ee8e7eb
DN
915 (translated nil)
916 (result nil))
917 (goto-char (point-min))
918 (while (not (eobp))
85a55d38 919 ;; Bzr 2.3.0 added this if there are shelves. (Bug#8170)
ebe06da9 920 (unless (looking-at "[0-9]+ shel\\(f\\|ves\\) exists?\\.")
85a55d38
GM
921 (setq status-str
922 (buffer-substring-no-properties (point) (+ (point) 3)))
923 (setq translated (cdr (assoc status-str translation)))
924 (cond
925 ((eq translated 'conflict)
926 ;; For conflicts the file appears twice in the listing: once
927 ;; with the M flag and once with the C flag, so take care
928 ;; not to add it twice to `result'. Ugly.
929 (let* ((file
930 (buffer-substring-no-properties
931 ;;For files with conflicts the format is:
932 ;;C Text conflict in FILENAME
933 ;; Bah.
934 (+ (point) 21) (line-end-position)))
935 (entry (assoc file result)))
936 (when entry
937 (setf (nth 1 entry) 'conflict))))
938 ((eq translated 'renamed)
939 (re-search-forward "R[ M] \\(.*\\) => \\(.*\\)$" (line-end-position) t)
940 (let ((new-name (file-relative-name (match-string 2) relative-dir))
941 (old-name (file-relative-name (match-string 1) relative-dir)))
942 (push (list new-name 'edited
943 (vc-bzr-create-extra-fileinfo old-name)) result)))
944 ;; do nothing for non existent files
13754b54 945 ((memq translated '(not-found ignored)))
85a55d38
GM
946 (t
947 (push (list (file-relative-name
948 (buffer-substring-no-properties
949 (+ (point) 4)
950 (line-end-position)) relative-dir)
951 translated) result))))
952 (forward-line))
c1b51374 953 (funcall update-function result)))
7ee8e7eb 954
c1b51374 955(defun vc-bzr-dir-status (dir update-function)
7ee8e7eb 956 "Return a list of conses (file . state) for DIR."
115c0061
DN
957 (vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S")
958 (vc-exec-after
460f6e7c
DN
959 `(vc-bzr-after-dir-status (quote ,update-function)
960 ;; "bzr status" results are relative to
961 ;; the bzr root directory, NOT to the
962 ;; directory "bzr status" was invoked in.
963 ;; Ugh.
964 ;; We pass the relative directory here so
965 ;; that `vc-bzr-after-dir-status' can
966 ;; frob the results accordingly.
967 (file-relative-name ,dir (vc-bzr-root ,dir)))))
7ee8e7eb 968
11b4001c
DN
969(defun vc-bzr-dir-status-files (dir files default-state update-function)
970 "Return a list of conses (file . state) for DIR."
971 (apply 'vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S" files)
972 (vc-exec-after
460f6e7c
DN
973 `(vc-bzr-after-dir-status (quote ,update-function)
974 (file-relative-name ,dir (vc-bzr-root ,dir)))))
da4d4066 975
4dfb3b9c
DN
976(defvar vc-bzr-shelve-map
977 (let ((map (make-sparse-keymap)))
978 ;; Turn off vc-dir marking
979 (define-key map [mouse-2] 'ignore)
980
981 (define-key map [down-mouse-3] 'vc-bzr-shelve-menu)
982 (define-key map "\C-k" 'vc-bzr-shelve-delete-at-point)
855a2294
DN
983 (define-key map "=" 'vc-bzr-shelve-show-at-point)
984 (define-key map "\C-m" 'vc-bzr-shelve-show-at-point)
985 (define-key map "A" 'vc-bzr-shelve-apply-and-keep-at-point)
8e7e2286 986 (define-key map "P" 'vc-bzr-shelve-apply-at-point)
855a2294 987 (define-key map "S" 'vc-bzr-shelve-snapshot)
4dfb3b9c
DN
988 map))
989
990(defvar vc-bzr-shelve-menu-map
991 (let ((map (make-sparse-keymap "Bzr Shelve")))
992 (define-key map [de]
7cc6e154 993 '(menu-item "Delete Shelf" vc-bzr-shelve-delete-at-point
4dfb3b9c 994 :help "Delete the current shelf"))
855a2294 995 (define-key map [ap]
7cc6e154 996 '(menu-item "Apply and Keep Shelf" vc-bzr-shelve-apply-and-keep-at-point
855a2294 997 :help "Apply the current shelf and keep it"))
8e7e2286 998 (define-key map [po]
7cc6e154 999 '(menu-item "Apply and Remove Shelf (Pop)" vc-bzr-shelve-apply-at-point
8e7e2286 1000 :help "Apply the current shelf and remove it"))
855a2294 1001 (define-key map [sh]
7cc6e154 1002 '(menu-item "Show Shelve" vc-bzr-shelve-show-at-point
855a2294 1003 :help "Show the contents of the current shelve"))
4dfb3b9c
DN
1004 map))
1005
1006(defvar vc-bzr-extra-menu-map
1007 (let ((map (make-sparse-keymap)))
855a2294 1008 (define-key map [bzr-sn]
7cc6e154 1009 '(menu-item "Shelve a Snapshot" vc-bzr-shelve-snapshot
855a2294 1010 :help "Shelve the current state of the tree and keep the current state"))
4dfb3b9c
DN
1011 (define-key map [bzr-sh]
1012 '(menu-item "Shelve..." vc-bzr-shelve
1013 :help "Shelve changes"))
1014 map))
1015
1016(defun vc-bzr-extra-menu () vc-bzr-extra-menu-map)
1017
1018(defun vc-bzr-extra-status-menu () vc-bzr-extra-menu-map)
1019
da4d4066 1020(defun vc-bzr-dir-extra-headers (dir)
be14a425
DN
1021 (let*
1022 ((str (with-temp-buffer
1023 (vc-bzr-command "info" t 0 dir)
1024 (buffer-string)))
4dfb3b9c
DN
1025 (shelve (vc-bzr-shelve-list))
1026 (shelve-help-echo "Use M-x vc-bzr-shelve to create shelves")
7a444e2a
DN
1027 (root-dir (vc-bzr-root dir))
1028 (pending-merge
4775ecad
DN
1029 ;; FIXME: looking for .bzr/checkout/merge-hashes is not a
1030 ;; reliable method to detect pending merges, disable this
1031 ;; until a proper solution is implemented.
1032 (and nil
1033 (file-exists-p
1034 (expand-file-name ".bzr/checkout/merge-hashes" root-dir))))
7a444e2a
DN
1035 (pending-merge-help-echo
1036 (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))
be14a425
DN
1037 (light-checkout
1038 (when (string-match ".+light checkout root: \\(.+\\)$" str)
1039 (match-string 1 str)))
1040 (light-checkout-branch
1041 (when light-checkout
1042 (when (string-match ".+checkout of branch: \\(.+\\)$" str)
1043 (match-string 1 str)))))
da4d4066 1044 (concat
be14a425
DN
1045 (propertize "Parent branch : " 'face 'font-lock-type-face)
1046 (propertize
da4d4066 1047 (if (string-match "parent branch: \\(.+\\)$" str)
be14a425
DN
1048 (match-string 1 str)
1049 "None")
1050 'face 'font-lock-variable-name-face)
1051 "\n"
1052 (when light-checkout
1053 (concat
1054 (propertize "Light checkout root: " 'face 'font-lock-type-face)
1055 (propertize light-checkout 'face 'font-lock-variable-name-face)
1056 "\n"))
1057 (when light-checkout-branch
1058 (concat
1059 (propertize "Checkout of branch : " 'face 'font-lock-type-face)
1060 (propertize light-checkout-branch 'face 'font-lock-variable-name-face)
a3abb176 1061 "\n"))
7a444e2a
DN
1062 (when pending-merge
1063 (concat
1064 (propertize "Warning : " 'face 'font-lock-warning-face
1065 'help-echo pending-merge-help-echo)
1066 (propertize "Pending merges, commit recommended before any other action"
1067 'help-echo pending-merge-help-echo
1068 'face 'font-lock-warning-face)
1069 "\n"))
1070 (if shelve
1071 (concat
1072 (propertize "Shelves :\n" 'face 'font-lock-type-face
1073 'help-echo shelve-help-echo)
1074 (mapconcat
1075 (lambda (x)
1076 (propertize x
1077 'face 'font-lock-variable-name-face
1078 'mouse-face 'highlight
1079 '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"
1080 'keymap vc-bzr-shelve-map))
1081 shelve "\n"))
1082 (concat
1083 (propertize "Shelves : " 'face 'font-lock-type-face
1084 'help-echo shelve-help-echo)
1085 (propertize "No shelved changes"
1086 'help-echo shelve-help-echo
1087 'face 'font-lock-variable-name-face))))))
4dfb3b9c
DN
1088
1089(defun vc-bzr-shelve (name)
1090 "Create a shelve."
1091 (interactive "sShelf name: ")
1092 (let ((root (vc-bzr-root default-directory)))
1093 (when root
1094 (vc-bzr-command "shelve" nil 0 nil "--all" "-m" name)
1095 (vc-resynch-buffer root t t))))
1096
855a2294
DN
1097(defun vc-bzr-shelve-show (name)
1098 "Show the contents of shelve NAME."
1099 (interactive "sShelve name: ")
c80fa13c 1100 (vc-setup-buffer "*vc-diff*")
855a2294 1101 ;; FIXME: how can you show the contents of a shelf?
c80fa13c
SM
1102 (vc-bzr-command "unshelve" "*vc-diff*" 'async nil "--preview" name)
1103 (set-buffer "*vc-diff*")
855a2294
DN
1104 (diff-mode)
1105 (setq buffer-read-only t)
1106 (pop-to-buffer (current-buffer)))
4dfb3b9c
DN
1107
1108(defun vc-bzr-shelve-apply (name)
8e7e2286
DN
1109 "Apply shelve NAME and remove it afterwards."
1110 (interactive "sApply (and remove) shelf: ")
c80fa13c 1111 (vc-bzr-command "unshelve" nil 0 nil "--apply" name)
4dfb3b9c
DN
1112 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1113
855a2294
DN
1114(defun vc-bzr-shelve-apply-and-keep (name)
1115 "Apply shelve NAME and keep it afterwards."
1116 (interactive "sApply (and keep) shelf: ")
c80fa13c 1117 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep" name)
855a2294
DN
1118 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1119
1120(defun vc-bzr-shelve-snapshot ()
1121 "Create a stash with the current tree state."
1122 (interactive)
1123 (vc-bzr-command "shelve" nil 0 nil "--all" "-m"
1124 (let ((ct (current-time)))
1125 (concat
1126 (format-time-string "Snapshot on %Y-%m-%d" ct)
1127 (format-time-string " at %H:%M" ct))))
c80fa13c 1128 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep")
855a2294
DN
1129 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1130
4dfb3b9c
DN
1131(defun vc-bzr-shelve-list ()
1132 (with-temp-buffer
1133 (vc-bzr-command "shelve" (current-buffer) 1 nil "--list" "-q")
1134 (delete
1135 ""
1136 (split-string
1137 (buffer-substring (point-min) (point-max))
1138 "\n"))))
1139
1140(defun vc-bzr-shelve-get-at-point (point)
1141 (save-excursion
1142 (goto-char point)
1143 (beginning-of-line)
1144 (if (looking-at "^ +\\([0-9]+\\):")
1145 (match-string 1)
1146 (error "Cannot find shelf at point"))))
1147
1148(defun vc-bzr-shelve-delete-at-point ()
1149 (interactive)
1150 (let ((shelve (vc-bzr-shelve-get-at-point (point))))
2b404597 1151 (when (y-or-n-p (format "Remove shelf %s ? " shelve))
4dfb3b9c
DN
1152 (vc-bzr-command "unshelve" nil 0 nil "--delete-only" shelve)
1153 (vc-dir-refresh))))
1154
855a2294
DN
1155(defun vc-bzr-shelve-show-at-point ()
1156 (interactive)
1157 (vc-bzr-shelve-show (vc-bzr-shelve-get-at-point (point))))
4dfb3b9c
DN
1158
1159(defun vc-bzr-shelve-apply-at-point ()
1160 (interactive)
1161 (vc-bzr-shelve-apply (vc-bzr-shelve-get-at-point (point))))
1162
855a2294
DN
1163(defun vc-bzr-shelve-apply-and-keep-at-point ()
1164 (interactive)
1165 (vc-bzr-shelve-apply-and-keep (vc-bzr-shelve-get-at-point (point))))
1166
4dfb3b9c
DN
1167(defun vc-bzr-shelve-menu (e)
1168 (interactive "e")
1169 (vc-dir-at-event e (popup-menu vc-bzr-shelve-menu-map e)))
da4d4066 1170
d9de6d6f
MH
1171(defun vc-bzr-revision-table (files)
1172 (let ((vc-bzr-revisions '())
1173 (default-directory (file-name-directory (car files))))
1174 (with-temp-buffer
1175 (vc-bzr-command "log" t 0 files "--line")
1176 (let ((start (point-min))
1177 (loglines (buffer-substring-no-properties (point-min) (point-max))))
1178 (while (string-match "^\\([0-9]+\\):" loglines)
1179 (push (match-string 1 loglines) vc-bzr-revisions)
1180 (setq start (+ start (match-end 0)))
1181 (setq loglines (buffer-substring-no-properties start (point-max))))))
1182 vc-bzr-revisions))
1183
e97a42c1
SM
1184(defun vc-bzr-conflicted-files (dir)
1185 (let ((default-directory (vc-bzr-root dir))
1186 (files ()))
1187 (with-temp-buffer
1188 (vc-bzr-command "status" t 0 default-directory)
1189 (goto-char (point-min))
1190 (when (re-search-forward "^conflicts:\n" nil t)
1191 (while (looking-at " \\(?:Text conflict in \\(.*\\)\\|.*\\)\n")
1192 (if (match-end 1)
1193 (push (expand-file-name (match-string 1)) files))
1194 (goto-char (match-end 0)))))
1195 files))
1196
39f44442
SM
1197;;; Revision completion
1198
00f71f39
SM
1199(eval-and-compile
1200 (defconst vc-bzr-revision-keywords
eb604e34
SM
1201 ;; bzr help revisionspec | sed -ne 's/^\([a-z]*\):$/"\1"/p' | sort -u
1202 '("ancestor" "annotate" "before" "branch" "date" "last" "mainline" "revid"
0757af94 1203 "revno" "submit" "tag")))
00f71f39 1204
39f44442
SM
1205(defun vc-bzr-revision-completion-table (files)
1206 (lexical-let ((files files))
1207 ;; What about using `files'?!? --Stef
1208 (lambda (string pred action)
1209 (cond
1210 ((string-match "\\`\\(ancestor\\|branch\\|\\(revno:\\)?[-0-9]+:\\):"
1211 string)
ec50e665 1212 (completion-table-with-context (substring string 0 (match-end 0))
feceda26
SM
1213 (apply-partially
1214 'completion-table-with-predicate
1215 'completion-file-name-table
1216 'file-directory-p t)
ec50e665 1217 (substring string (match-end 0))
feceda26 1218 pred
ec50e665 1219 action))
39f44442 1220 ((string-match "\\`\\(before\\):" string)
ec50e665
SM
1221 (completion-table-with-context (substring string 0 (match-end 0))
1222 (vc-bzr-revision-completion-table files)
1223 (substring string (match-end 0))
1224 pred
1225 action))
39f44442
SM
1226 ((string-match "\\`\\(tag\\):" string)
1227 (let ((prefix (substring string 0 (match-end 0)))
1228 (tag (substring string (match-end 0)))
e82b1099
MA
1229 (table nil)
1230 process-file-side-effects)
39f44442
SM
1231 (with-temp-buffer
1232 ;; "bzr-1.2 tags" is much faster with --show-ids.
07c4b87c 1233 (process-file vc-bzr-program nil '(t) nil "tags" "--show-ids")
39f44442
SM
1234 ;; The output is ambiguous, unless we assume that revids do not
1235 ;; contain spaces.
1236 (goto-char (point-min))
1237 (while (re-search-forward "^\\(.*[^ \n]\\) +[^ \n]*$" nil t)
1238 (push (match-string-no-properties 1) table)))
ec50e665 1239 (completion-table-with-context prefix table tag pred action)))
39f44442 1240
eb604e34
SM
1241 ((string-match "\\`annotate:" string)
1242 (completion-table-with-context
1243 (substring string 0 (match-end 0))
1244 (apply-partially #'completion-table-with-terminator '(":" . "\\`a\\`")
1245 #'completion-file-name-table)
1246 (substring string (match-end 0)) pred action))
1247
1248 ((string-match "\\`date:" string)
1249 (completion-table-with-context
1250 (substring string 0 (match-end 0))
1251 '("yesterday" "today" "tomorrow")
1252 (substring string (match-end 0)) pred action))
1253
00f71f39
SM
1254 ((string-match "\\`\\([a-z]+\\):" string)
1255 ;; no actual completion for the remaining keywords.
1256 (completion-table-with-context (substring string 0 (match-end 0))
1257 (if (member (match-string 1 string)
1258 vc-bzr-revision-keywords)
1259 ;; If it's a valid keyword,
1260 ;; use a non-empty table to
1261 ;; indicate it.
1262 '("") nil)
1263 (substring string (match-end 0))
1264 pred
1265 action))
39f44442 1266 (t
f8381803
SM
1267 ;; Could use completion-table-with-terminator, except that it
1268 ;; currently doesn't work right w.r.t pcm and doesn't give
1269 ;; the *Completions* output we want.
00f71f39
SM
1270 (complete-with-action action (eval-when-compile
1271 (mapcar (lambda (s) (concat s ":"))
1272 vc-bzr-revision-keywords))
39f44442
SM
1273 string pred))))))
1274
b6e0e86c 1275(provide 'vc-bzr)
2b404597 1276
b6e0e86c 1277;;; vc-bzr.el ends here