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[bpt/emacs.git] / lisp / vc / vc-bzr.el
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0d42eb3e 1;;; vc-bzr.el --- VC backend for the bzr revision control system -*- lexical-binding: t -*-
b6e0e86c 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.
77b5d458 40
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41;;; Properties of the backend
42
43(defun vc-bzr-revision-granularity () 'repository)
0d42eb3e 44(defun vc-bzr-checkout-model (_files) 'implicit)
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45
46;;; Code:
47
48(eval-when-compile
37320a58 49 (require 'cl)
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50 (require 'vc) ;; for vc-exec-after
51 (require 'vc-dir))
b6e0e86c 52
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53;; Clear up the cache to force vc-call to check again and discover
54;; new functions when we reload this file.
4211679b 55(put 'Bzr 'vc-functions nil)
360cf7bc 56
b6e0e86c 57(defgroup vc-bzr nil
67b0de11 58 "VC Bazaar (bzr) backend."
fba500b6 59 :version "22.2"
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60 :group 'vc)
61
62(defcustom vc-bzr-program "bzr"
37320a58 63 "Name of the bzr command (excluding any arguments)."
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64 :group 'vc-bzr
65 :type 'string)
66
b6e0e86c 67(defcustom vc-bzr-diff-switches nil
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68 "String or list of strings specifying switches for bzr diff under VC.
69If nil, use the value of `vc-diff-switches'. If t, use no switches."
70 :type '(choice (const :tag "Unspecified" nil)
71 (const :tag "None" t)
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72 (string :tag "Argument String")
73 (repeat :tag "Argument List" :value ("") string))
74 :group 'vc-bzr)
75
f4d0cf23 76(defcustom vc-bzr-log-switches nil
f9528daa 77 "String or list of strings specifying switches for bzr log under VC."
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78 :type '(choice (const :tag "None" nil)
79 (string :tag "Argument String")
80 (repeat :tag "Argument List" :value ("") string))
81 :group 'vc-bzr)
82
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83(defcustom vc-bzr-status-switches
84 (ignore-errors
85 (with-temp-buffer
86 (call-process vc-bzr-program nil t nil "help" "status")
b4715d2a 87 (if (search-backward "--no-classify" nil t)
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88 "--no-classify")))
89 "String or list of strings specifying switches for bzr status under VC.
90The 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))
94 :group 'vc-bzr
95 :version "24.1")
96
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97;; since v0.9, bzr supports removing the progress indicators
98;; by setting environment variable BZR_PROGRESS_BAR to "none".
8cdd17b4 99(defun vc-bzr-command (bzr-command buffer okstatus file-or-list &rest args)
37320a58 100 "Wrapper round `vc-do-command' using `vc-bzr-program' as COMMAND.
f4d0cf23 101Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
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102`LC_MESSAGES=C' to the environment. If BZR-COMMAND is \"status\",
103prepends `vc-bzr-status-switches' to ARGS."
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104 (let ((process-environment
105 (list* "BZR_PROGRESS_BAR=none" ; Suppress progress output (bzr >=0.9)
f4d0cf23 106 "LC_MESSAGES=C" ; Force English output
a460c94c 107 process-environment)))
2888a97e 108 (apply 'vc-do-command (or buffer "*vc*") okstatus vc-bzr-program
335aff35 109 file-or-list bzr-command
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110 (if (and (string-equal "status" bzr-command)
111 vc-bzr-status-switches)
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112 (append (if (stringp vc-bzr-status-switches)
113 (list vc-bzr-status-switches)
114 vc-bzr-status-switches)
115 args)
116 args))))
b6e0e86c 117
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118(defun vc-bzr-async-command (bzr-command &rest args)
119 "Wrapper round `vc-do-async-command' using `vc-bzr-program' as COMMAND.
120Invoke the bzr command adding `BZR_PROGRESS_BAR=none' and
121`LC_MESSAGES=C' to the environment.
122Use the current Bzr root directory as the ROOT argument to
123`vc-do-async-command', and specify an output buffer named
a2b6e5d6 124\"*vc-bzr : ROOT*\". Return this buffer."
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125 (let* ((process-environment
126 (list* "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
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131 vc-bzr-program bzr-command args)
132 buffer))
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133
134;;;###autoload
f4d0cf23 135(defconst vc-bzr-admin-dirname ".bzr"
b6e6e09a 136 "Name of the directory containing Bzr repository status files.")
2b404597 137;; Used in the autoloaded vc-bzr-registered; see below.
a460c94c 138;;;###autoload
b6e6e09a 139(defconst vc-bzr-admin-checkout-format-file
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140 (concat vc-bzr-admin-dirname "/checkout/format")
141 "Name of the format file in a .bzr directory.")
a460c94c 142(defconst vc-bzr-admin-dirstate
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143 (concat vc-bzr-admin-dirname "/checkout/dirstate"))
144(defconst vc-bzr-admin-branch-format-file
145 (concat vc-bzr-admin-dirname "/branch/format"))
a460c94c 146(defconst vc-bzr-admin-revhistory
b6e6e09a 147 (concat vc-bzr-admin-dirname "/branch/revision-history"))
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148(defconst vc-bzr-admin-lastrev
149 (concat vc-bzr-admin-dirname "/branch/last-revision"))
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150(defconst vc-bzr-admin-branchconf
151 (concat vc-bzr-admin-dirname "/branch/branch.conf"))
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152
153;;;###autoload (defun vc-bzr-registered (file)
b6e6e09a 154;;;###autoload (if (vc-find-root file vc-bzr-admin-checkout-format-file)
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155;;;###autoload (progn
156;;;###autoload (load "vc-bzr")
157;;;###autoload (vc-bzr-registered file))))
b6e0e86c 158
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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)
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163 (let ((root (vc-find-root file vc-bzr-admin-checkout-format-file)))
164 (when root (vc-file-setprop file 'bzr-root root)))))
b6e0e86c 165
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166(defun vc-bzr-branch-conf (file)
167 "Return the Bazaar branch settings for file FILE, as an alist.
168Each element of the returned alist has the form (NAME . VALUE),
169which are the name and value of a Bazaar setting, as strings.
170
171The settings are read from the file \".bzr/branch/branch.conf\"
172in the repository root directory of FILE."
173 (let (settings)
174 (with-temp-buffer
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)))
179 settings))
2c3160c5 180
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181(defun vc-bzr-sha1 (file)
182 (with-temp-buffer
183 (set-buffer-multibyte nil)
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184 (insert-file-contents-literally file)
185 (sha1 (current-buffer))))
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186
187(defun vc-bzr-state-heuristic (file)
188 "Like `vc-bzr-state' but hopefully without running Bzr."
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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.
192 ;;
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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'."
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200 ;;
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
0d42eb3e 211 (let ((root (vc-bzr-root file)))
fba500b6 212 (when root ; Short cut.
0d42eb3e 213 (let ((dirstate (expand-file-name vc-bzr-admin-dirstate root)))
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214 (condition-case nil
215 (with-temp-buffer
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)))
222 (if (re-search-forward
223 (concat "^\0"
224 (if reldir (regexp-quote
225 (directory-file-name reldir)))
226 "\0"
227 (regexp-quote (file-name-nondirectory relfile))
228 "\0"
229 "[^\0]*\0" ;id?
230 "\\([^\0]*\\)\0" ;"a/f/d", a=removed?
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231 "\\([^\0]*\\)\0" ;sha1 (empty if conflicted)?
232 "\\([^\0]*\\)\0" ;size?p
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233 ;; y/n. Whether or not the current copy
234 ;; was executable the last time bzr checked?
235 "[^\0]*\0"
2793b89e 236 "[^\0]*\0" ;?
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237 ;; Parent information. Absent in a new repo.
238 "\\(?:\\([^\0]*\\)\0" ;"a/f/d" a=added?
2793b89e 239 "\\([^\0]*\\)\0" ;sha1 again?
137d88ca 240 "\\([^\0]*\\)\0" ;size again?
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241 ;; y/n. Whether or not the repo thinks
242 ;; the file should be executable?
243 "\\([^\0]*\\)\0"
f96dc50f 244 "[^\0]*\0\\)?" ;last revid?
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245 ;; There are more fields when merges are pending.
246 )
247 nil t)
248 ;; Apparently the second sha1 is the one we want: when
249 ;; there's a conflict, the first sha1 is absent (and the
250 ;; first size seems to correspond to the file with
251 ;; conflict markers).
252 (cond
253 ((eq (char-after (match-beginning 1)) ?a) 'removed)
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254 ;; If there is no parent, this must be a new repo.
255 ;; If file is in dirstate, can only be added (b#8025).
256 ((or (not (match-beginning 4))
257 (eq (char-after (match-beginning 4)) ?a)) 'added)
137d88ca 258 ((or (and (eq (string-to-number (match-string 3))
2793b89e 259 (nth 7 (file-attributes file)))
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260 (equal (match-string 5)
261 (vc-bzr-sha1 file))
262 ;; For a file, does the executable state match?
263 ;; (Bug#7544)
264 (or (not
265 (eq (char-after (match-beginning 1)) ?f))
266 (let ((exe
267 (memq
268 ?x
269 (mapcar
270 'identity
271 (nth 8 (file-attributes file))))))
272 (if (eq (char-after (match-beginning 7))
273 ?y)
274 exe
275 (not exe)))))
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276 (and
277 ;; It looks like for lightweight
278 ;; checkouts \2 is empty and we need to
279 ;; look for size in \6.
280 (eq (match-beginning 2) (match-end 2))
281 (eq (string-to-number (match-string 6))
282 (nth 7 (file-attributes file)))
283 (equal (match-string 5)
284 (vc-bzr-sha1 file))))
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285 'up-to-date)
286 (t 'edited))
287 'unregistered))))
a38c310c 288 ;; The dirstate file can't be read, or some other problem.
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289 (error (vc-bzr-state file)))))))
290
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291
292(defun vc-bzr-registered (file)
293 "Return non-nil if FILE is registered with bzr."
294 (let ((state (vc-bzr-state-heuristic file)))
295 (not (memq state '(nil unregistered ignored)))))
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296
297(defconst vc-bzr-state-words
33e5d7d4 298 "added\\|ignored\\|kind changed\\|modified\\|removed\\|renamed\\|unknown"
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299 "Regexp matching file status words as reported in `bzr' output.")
300
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301;; History of Bzr commands.
302(defvar vc-bzr-history nil)
303
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304(defun vc-bzr-file-name-relative (filename)
305 "Return file name FILENAME stripped of the initial Bzr repository path."
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306 (let* ((filename* (expand-file-name filename))
307 (rootdir (vc-bzr-root filename*)))
def61be2 308 (when rootdir
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309 (file-relative-name filename* rootdir))))
310
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311(defvar vc-bzr-error-regex-alist
312 '(("^\\( M[* ]\\|+N \\|-D \\|\\| \\*\\|R[M ] \\) \\(.+\\)" 2 nil nil 1)
313 ("^C \\(.+\\)" 2)
314 ("^Text conflict in \\(.+\\)" 1 nil nil 2)
315 ("^Using saved parent location: \\(.+\\)" 1 nil nil 0))
316 "Value of `compilation-error-regexp-alist' in *vc-bzr* buffers.")
317
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318(defun vc-bzr-pull (prompt)
319 "Pull changes into the current Bzr branch.
320Normally, this runs \"bzr pull\". However, if the branch is a
321bound branch, run \"bzr update\" instead. If there is no default
322location from which to pull or update, or if PROMPT is non-nil,
323prompt for the Bzr command to run."
324 (let* ((vc-bzr-program vc-bzr-program)
3ab713fd 325 (branch-conf (vc-bzr-branch-conf default-directory))
2c3160c5 326 ;; Check whether the branch is bound.
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327 (bound (assoc "bound" branch-conf))
328 (bound (and bound (equal "true" (downcase (cdr bound)))))
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329 ;; If we need to do a "bzr pull", check for a parent. If it
330 ;; does not exist, bzr will need a pull location.
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331 (has-parent (unless bound
332 (assoc "parent_location" branch-conf)))
2c3160c5 333 (command (if bound "update" "pull"))
3d92f44e 334 args)
2c3160c5 335 ;; If necessary, prompt for the exact command.
3ab713fd 336 (when (or prompt (not (or bound has-parent)))
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337 (setq args (split-string
338 (read-shell-command
a2b6e5d6 339 "Bzr pull command: "
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340 (concat vc-bzr-program " " command)
341 'vc-bzr-history)
342 " " t))
343 (setq vc-bzr-program (car args)
344 command (cadr args)
345 args (cddr args)))
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346 (let ((buf (apply 'vc-bzr-async-command command args)))
347 (with-current-buffer buf
348 (vc-exec-after
349 `(progn
350 (let ((compilation-error-regexp-alist
351 vc-bzr-error-regex-alist))
352 (compilation-mode))
353 (set (make-local-variable 'compilation-error-regexp-alist)
354 vc-bzr-error-regex-alist))))
355 (vc-set-async-update buf))))
2c3160c5 356
3d92f44e 357(defun vc-bzr-merge-branch ()
2c3160c5 358 "Merge another Bzr branch into the current one.
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359Prompt for the Bzr command to run, providing a pre-defined merge
360source (an upstream branch or a previous merge source) as a
361default if it is available."
3ab713fd 362 (let* ((branch-conf (vc-bzr-branch-conf default-directory))
3d92f44e 363 ;; "bzr merge" without an argument defaults to submit_branch,
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364 ;; then parent_location. Extract the specific location and
365 ;; add it explicitly to the command line.
3ab713fd 366 (setting nil)
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367 (location
368 (cond
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369 ((setq setting (assoc "submit_branch" branch-conf))
370 (cdr setting))
371 ((setq setting (assoc "parent_location" branch-conf))
372 (cdr setting))))
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373 (cmd
374 (split-string
375 (read-shell-command
a2b6e5d6 376 "Bzr merge command: "
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377 (concat vc-bzr-program " merge --pull"
378 (if location (concat " " location) ""))
379 'vc-bzr-history)
380 " " t))
381 (vc-bzr-program (car cmd))
382 (command (cadr cmd))
383 (args (cddr cmd)))
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384 (let ((buf (apply 'vc-bzr-async-command command args)))
385 (with-current-buffer buf
386 (vc-exec-after
387 `(progn
388 (let ((compilation-error-regexp-alist
389 vc-bzr-error-regex-alist))
390 (compilation-mode))
391 (set (make-local-variable 'compilation-error-regexp-alist)
392 vc-bzr-error-regex-alist))))
393 (vc-set-async-update buf))))
2c3160c5 394
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395(defun vc-bzr-status (file)
396 "Return FILE status according to Bzr.
397Return value is a cons (STATUS . WARNING), where WARNING is a
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398string or nil, and STATUS is one of the symbols: `added',
399`ignored', `kindchanged', `modified', `removed', `renamed', `unknown',
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400which directly correspond to `bzr status' output, or 'unchanged
401for files whose copy in the working tree is identical to the one
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402in the branch repository (or whose status not be determined)."
403;; Doc used to also say the following, but AFAICS, it has never been true.
404;;
405;; ", or nil for files that are not registered with Bzr.
406;; If any error occurred in running `bzr status', then return nil."
407;;
408;; Rather than returning nil in case of an error, it returns
409;; (unchanged . WARNING). FIXME unchanged is not the best status to
410;; return in case of error.
77b5d458 411 (with-temp-buffer
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412 ;; This is with-demoted-errors without the condition-case-unless-debug
413 ;; annoyance, which makes it fail during ert testing.
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414 (condition-case err (vc-bzr-command "status" t 0 file)
415 (error (message "Error: %S" err) nil))
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416 (let ((status 'unchanged))
417 ;; the only secure status indication in `bzr status' output
418 ;; is a couple of lines following the pattern::
419 ;; | <status>:
420 ;; | <file name>
421 ;; if the file is up-to-date, we get no status report from `bzr',
422 ;; so if the regexp search for the above pattern fails, we consider
423 ;; the file to be up-to-date.
424 (goto-char (point-min))
425 (when (re-search-forward
426 ;; bzr prints paths relative to the repository root.
427 (concat "^\\(" vc-bzr-state-words "\\):[ \t\n]+"
428 (regexp-quote (vc-bzr-file-name-relative file))
429 ;; Bzr appends a '/' to directory names and
430 ;; '*' to executable files
431 (if (file-directory-p file) "/?" "\\*?")
432 "[ \t\n]*$")
433 nil t)
0d42eb3e 434 (let ((statusword (match-string 1)))
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435 ;; Erase the status text that matched.
436 (delete-region (match-beginning 0) (match-end 0))
437 (setq status
438 (intern (replace-regexp-in-string " " "" statusword)))))
439 (when status
440 (goto-char (point-min))
441 (skip-chars-forward " \n\t") ;Throw away spaces.
442 (cons status
443 ;; "bzr" will output warnings and informational messages to
444 ;; stderr; due to Emacs's `vc-do-command' (and, it seems,
445 ;; `start-process' itself) limitations, we cannot catch stderr
446 ;; and stdout into different buffers. So, if there's anything
447 ;; left in the buffer after removing the above status
448 ;; keywords, let us just presume that any other message from
449 ;; "bzr" is a user warning, and display it.
450 (unless (eobp) (buffer-substring (point) (point-max))))))))
a0e5e075 451
33e5d7d4 452(defun vc-bzr-state (file)
0d42eb3e 453 (let ((result (vc-bzr-status file)))
33e5d7d4 454 (when (consp result)
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455 (let ((warnings (cdr result)))
456 (when warnings
457 ;; bzr 2.3.0 returns info about shelves, which is not really a warning
ebe06da9 458 (when (string-match "[0-9]+ shel\\(f\\|ves\\) exists?\\..*?\n" warnings)
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459 (setq warnings (replace-match "" nil nil warnings)))
460 (unless (string= warnings "")
461 (message "Warnings in `bzr' output: %s" warnings))))
33e5d7d4 462 (cdr (assq (car result)
6a3f9bb7 463 '((added . added)
fba500b6 464 (kindchanged . edited)
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465 (renamed . edited)
466 (modified . edited)
54bf3704 467 (removed . removed)
3702367b 468 (ignored . ignored)
54bf3704 469 (unknown . unregistered)
33e5d7d4 470 (unchanged . up-to-date)))))))
b6e0e86c 471
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472(defun vc-bzr-resolve-when-done ()
473 "Call \"bzr resolve\" if the conflict markers have been removed."
474 (save-excursion
475 (goto-char (point-min))
476 (unless (re-search-forward "^<<<<<<< " nil t)
477 (vc-bzr-command "resolve" nil 0 buffer-file-name)
478 ;; Remove the hook so that it is not called multiple times.
479 (remove-hook 'after-save-hook 'vc-bzr-resolve-when-done t))))
480
481(defun vc-bzr-find-file-hook ()
482 (when (and buffer-file-name
483 ;; FIXME: We should check that "bzr status" says "conflict".
484 (file-exists-p (concat buffer-file-name ".BASE"))
485 (file-exists-p (concat buffer-file-name ".OTHER"))
486 (file-exists-p (concat buffer-file-name ".THIS"))
487 ;; If "bzr status" says there's a conflict but there are no
488 ;; conflict markers, it's not clear what we should do.
489 (save-excursion
490 (goto-char (point-min))
491 (re-search-forward "^<<<<<<< " nil t)))
492 ;; TODO: the merge algorithm used in `bzr merge' is nicely configurable,
493 ;; but the one in `bzr pull' isn't, so it would be good to provide an
494 ;; elisp function to remerge from the .BASE/OTHER/THIS files.
495 (smerge-start-session)
496 (add-hook 'after-save-hook 'vc-bzr-resolve-when-done nil t)
497 (message "There are unresolved conflicts in this file")))
498
b6e0e86c 499(defun vc-bzr-workfile-unchanged-p (file)
33e5d7d4 500 (eq 'unchanged (car (vc-bzr-status file))))
b6e0e86c 501
ac3f4c6f 502(defun vc-bzr-working-revision (file)
82eb83ff
SM
503 ;; Together with the code in vc-state-heuristic, this makes it possible
504 ;; to get the initial VC state of a Bzr file even if Bzr is not installed.
0d42eb3e
SM
505 (let* ((rootdir (vc-bzr-root file))
506 (branch-format-file (expand-file-name vc-bzr-admin-branch-format-file
507 rootdir))
508 (revhistory-file (expand-file-name vc-bzr-admin-revhistory rootdir))
509 (lastrev-file (expand-file-name vc-bzr-admin-lastrev rootdir)))
6e98ad29
SM
510 ;; This looks at internal files to avoid forking a bzr process.
511 ;; May break if they change their format.
be14a425 512 (if (and (file-exists-p branch-format-file)
0d42eb3e 513 ;; For lightweight checkouts (obtained with bzr co --lightweight)
be14a425
DN
514 ;; the branch-format-file does not contain the revision
515 ;; information, we need to look up the branch-format-file
516 ;; in the place where the lightweight checkout comes
517 ;; from. We only do that if it's a local file.
518 (let ((location-fname (expand-file-name
519 (concat vc-bzr-admin-dirname
520 "/branch/location") rootdir)))
521 ;; The existence of this file is how we distinguish
522 ;; lightweight checkouts.
523 (if (file-exists-p location-fname)
524 (with-temp-buffer
525 (insert-file-contents location-fname)
37860caf
DN
526 ;; If the lightweight checkout points to a
527 ;; location in the local file system, then we can
528 ;; look there for the version information.
529 (when (re-search-forward "file://\\(.+\\)" nil t)
530 (let ((l-c-parent-dir (match-string 1)))
6ee86780 531 (when (and (memq system-type '(ms-dos windows-nt))
0d42eb3e
SM
532 (string-match-p "^/[[:alpha:]]:"
533 l-c-parent-dir))
534 ;;; The non-Windows code takes a shortcut by using
535 ;;; the host/path separator slash as the start of
536 ;;; the absolute path. That does not work on
537 ;;; Windows, so we must remove it (bug#5345)
6ee86780 538 (setq l-c-parent-dir (substring l-c-parent-dir 1)))
37860caf
DN
539 (setq branch-format-file
540 (expand-file-name vc-bzr-admin-branch-format-file
541 l-c-parent-dir))
542 (setq lastrev-file
0d42eb3e
SM
543 (expand-file-name vc-bzr-admin-lastrev
544 l-c-parent-dir))
545 ;; FIXME: maybe it's overkill to check if both these
546 ;; files exist.
37860caf
DN
547 (and (file-exists-p branch-format-file)
548 (file-exists-p lastrev-file)))))
be14a425 549 t)))
fba500b6 550 (with-temp-buffer
def61be2 551 (insert-file-contents branch-format-file)
a460c94c
SM
552 (goto-char (point-min))
553 (cond
554 ((or
555 (looking-at "Bazaar-NG branch, format 0.0.4")
556 (looking-at "Bazaar-NG branch format 5"))
557 ;; count lines in .bzr/branch/revision-history
def61be2 558 (insert-file-contents revhistory-file)
a460c94c 559 (number-to-string (count-lines (line-end-position) (point-max))))
65105010
DN
560 ((or
561 (looking-at "Bazaar Branch Format 6 (bzr 0.15)")
562 (looking-at "Bazaar Branch Format 7 (needs bzr 1.6)"))
a460c94c 563 ;; revno is the first number in .bzr/branch/last-revision
def61be2 564 (insert-file-contents lastrev-file)
65105010
DN
565 (when (re-search-forward "[0-9]+" nil t)
566 (buffer-substring (match-beginning 0) (match-end 0))))))
a460c94c 567 ;; fallback to calling "bzr revno"
0d42eb3e
SM
568 (let* ((result (vc-bzr-command-discarding-stderr
569 vc-bzr-program "revno" (file-relative-name file)))
570 (exitcode (car result))
571 (output (cdr result)))
b6e6e09a
SM
572 (cond
573 ((eq exitcode 0) (substring output 0 -1))
574 (t nil))))))
b6e0e86c 575
a6ea7ffc 576(defun vc-bzr-create-repo ()
4211679b 577 "Create a new Bzr repository."
a6ea7ffc
DN
578 (vc-bzr-command "init" nil 0 nil))
579
0d42eb3e 580(defun vc-bzr-init-revision (&optional _file)
f4d0cf23
SM
581 "Always return nil, as Bzr cannot register explicit versions."
582 nil)
583
0d42eb3e 584(defun vc-bzr-previous-revision (_file rev)
882e82db
SM
585 (if (string-match "\\`[0-9]+\\'" rev)
586 (number-to-string (1- (string-to-number rev)))
587 (concat "before:" rev)))
588
0d42eb3e 589(defun vc-bzr-next-revision (_file rev)
882e82db
SM
590 (if (string-match "\\`[0-9]+\\'" rev)
591 (number-to-string (1+ (string-to-number rev)))
592 (error "Don't know how to compute the next revision of %s" rev)))
593
0d42eb3e 594(defun vc-bzr-register (files &optional rev _comment)
2b404597 595 "Register FILES under bzr.
b6e0e86c
SM
596Signal an error unless REV is nil.
597COMMENT is ignored."
5b5afd50 598 (if rev (error "Can't register explicit revision with bzr"))
8cdd17b4 599 (vc-bzr-command "add" nil 0 files))
b6e0e86c
SM
600
601;; Could run `bzr status' in the directory and see if it succeeds, but
602;; that's relatively expensive.
b6e6e09a 603(defalias 'vc-bzr-responsible-p 'vc-bzr-root
b6e0e86c
SM
604 "Return non-nil if FILE is (potentially) controlled by bzr.
605The criterion is that there is a `.bzr' directory in the same
37320a58 606or a superior directory.")
b6e0e86c
SM
607
608(defun vc-bzr-could-register (file)
609 "Return non-nil if FILE could be registered under bzr."
610 (and (vc-bzr-responsible-p file) ; shortcut
611 (condition-case ()
612 (with-temp-buffer
613 (vc-bzr-command "add" t 0 file "--dry-run")
614 ;; The command succeeds with no output if file is
615 ;; registered (in bzr 0.8).
360cf7bc 616 (goto-char (point-min))
b6e0e86c
SM
617 (looking-at "added "))
618 (error))))
619
620(defun vc-bzr-unregister (file)
621 "Unregister FILE from bzr."
f4d0cf23 622 (vc-bzr-command "remove" nil 0 file "--keep"))
b6e0e86c 623
e97a42c1
SM
624(declare-function log-edit-extract-headers "log-edit" (headers string))
625
626(defun vc-bzr-checkin (files rev comment)
2b404597 627 "Check FILES in to bzr with log message COMMENT.
b6e0e86c 628REV non-nil gets an error."
5b5afd50 629 (if rev (error "Can't check in a specific revision with bzr"))
a1d830c7 630 (apply 'vc-bzr-command "commit" nil 0
e97a42c1 631 files (cons "-m" (log-edit-extract-headers '(("Author" . "--author")
fab43c76 632 ("Date" . "--commit-time")
e97a42c1
SM
633 ("Fixes" . "--fixes"))
634 comment))))
b6e0e86c 635
d3c24c25
DN
636(defun vc-bzr-find-revision (file rev buffer)
637 "Fetch revision REV of file FILE and put it into BUFFER."
f4d0cf23
SM
638 (with-current-buffer buffer
639 (if (and rev (stringp rev) (not (string= rev "")))
640 (vc-bzr-command "cat" t 0 file "-r" rev)
641 (vc-bzr-command "cat" t 0 file))))
642
0d42eb3e 643(defun vc-bzr-checkout (_file &optional _editable rev)
5a3b79c4
SM
644 (if rev (error "Operation not supported")
645 ;; Else, there's nothing to do.
646 nil))
b6e0e86c
SM
647
648(defun vc-bzr-revert (file &optional contents-done)
649 (unless contents-done
33e5d7d4 650 (with-temp-buffer (vc-bzr-command "revert" t 0 file))))
b6e0e86c 651
37320a58
SM
652(defvar log-view-message-re)
653(defvar log-view-file-re)
654(defvar log-view-font-lock-keywords)
655(defvar log-view-current-tag-function)
def61be2 656(defvar log-view-per-file-logs)
d4eb88c7 657(defvar log-view-expanded-log-entry-function)
37320a58
SM
658
659(define-derived-mode vc-bzr-log-view-mode log-view-mode "Bzr-Log-View"
660 (remove-hook 'log-view-mode-hook 'vc-bzr-log-view-mode) ;Deactivate the hack.
b6e0e86c 661 (require 'add-log)
6653c6b7 662 (set (make-local-variable 'log-view-per-file-logs) nil)
1c0f0c3b 663 (set (make-local-variable 'log-view-file-re) "\\`a\\`")
37320a58 664 (set (make-local-variable 'log-view-message-re)
31527c56 665 (if (eq vc-log-view-type 'short)
755da7fa 666 "^ *\\([0-9.]+\\): \\(.*?\\)[ \t]+\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\\)\\( \\[merge\\]\\)?"
32ba3abc 667 "^ *\\(?:revno: \\([0-9.]+\\)\\|merged: .+\\)"))
d4eb88c7
CY
668 ;; Allow expanding short log entries
669 (when (eq vc-log-view-type 'short)
33f6cf7b 670 (setq truncate-lines t)
d4eb88c7
CY
671 (set (make-local-variable 'log-view-expanded-log-entry-function)
672 'vc-bzr-expanded-log-entry))
b6e0e86c 673 (set (make-local-variable 'log-view-font-lock-keywords)
37320a58
SM
674 ;; log-view-font-lock-keywords is careful to use the buffer-local
675 ;; value of log-view-message-re only since Emacs-23.
31527c56 676 (if (eq vc-log-view-type 'short)
32ba3abc
DN
677 (append `((,log-view-message-re
678 (1 'log-view-message-face)
679 (2 'change-log-name)
680 (3 'change-log-date)
99999a1d 681 (4 'change-log-list nil lax))))
32ba3abc
DN
682 (append `((,log-view-message-re . 'log-view-message-face))
683 ;; log-view-font-lock-keywords
3d5d0aa9 684 '(("^ *\\(?:committer\\|author\\): \
5ec05779 685\\([^<(]+?\\)[ ]*[(<]\\([[:alnum:]_.+-]+@[[:alnum:]_.-]+\\)[>)]"
32ba3abc
DN
686 (1 'change-log-name)
687 (2 'change-log-email))
688 ("^ *timestamp: \\(.*\\)" (1 'change-log-date-face)))))))
b6e0e86c 689
662c5698 690(defun vc-bzr-print-log (files buffer &optional shortlog start-revision limit)
8cdd17b4 691 "Get bzr change log for FILES into specified BUFFER."
ac51b151
DN
692 ;; `vc-do-command' creates the buffer, but we need it before running
693 ;; the command.
694 (vc-setup-buffer buffer)
695 ;; If the buffer exists from a previous invocation it might be
696 ;; read-only.
5a3b79c4
SM
697 ;; FIXME: `vc-bzr-command' runs `bzr log' with `LC_MESSAGES=C', so
698 ;; the log display may not what the user wants - but I see no other
699 ;; way of getting the above regexps working.
1c0f0c3b
DN
700 (with-current-buffer buffer
701 (apply 'vc-bzr-command "log" buffer 'async files
3f6bd790 702 (append
755da7fa 703 (when shortlog '("--line"))
662c5698 704 (when start-revision (list (format "-r..%s" start-revision)))
3f6bd790
DN
705 (when limit (list "-l" (format "%s" limit)))
706 (if (stringp vc-bzr-log-switches)
707 (list vc-bzr-log-switches)
708 vc-bzr-log-switches)))))
b6e0e86c 709
d4eb88c7
CY
710(defun vc-bzr-expanded-log-entry (revision)
711 (with-temp-buffer
712 (apply 'vc-bzr-command "log" t nil nil
713 (list (format "-r%s" revision)))
714 (goto-char (point-min))
715 (when (looking-at "^-+\n")
716 ;; Indent the expanded log entry.
717 (indent-region (match-end 0) (point-max) 2)
718 (buffer-substring (match-end 0) (point-max)))))
719
31527c56
DN
720(defun vc-bzr-log-incoming (buffer remote-location)
721 (apply 'vc-bzr-command "missing" buffer 'async nil
722 (list "--theirs-only" (unless (string= remote-location "") remote-location))))
723
724(defun vc-bzr-log-outgoing (buffer remote-location)
725 (apply 'vc-bzr-command "missing" buffer 'async nil
726 (list "--mine-only" (unless (string= remote-location "") remote-location))))
727
5b5afd50
ER
728(defun vc-bzr-show-log-entry (revision)
729 "Find entry for patch name REVISION in bzr change log buffer."
b6e0e86c 730 (goto-char (point-min))
89d98000 731 (when revision
662c5698
DN
732 (let (case-fold-search
733 found)
89d98000
DN
734 (if (re-search-forward
735 ;; "revno:" can appear either at the beginning of a line,
736 ;; or indented.
737 (concat "^[ ]*-+\n[ ]*revno: "
738 ;; The revision can contain ".", quote it so that it
739 ;; does not interfere with regexp matching.
740 (regexp-quote revision) "$") nil t)
662c5698
DN
741 (progn
742 (beginning-of-line 0)
743 (setq found t))
744 (goto-char (point-min)))
745 found)))
b6e0e86c 746
8cdd17b4 747(defun vc-bzr-diff (files &optional rev1 rev2 buffer)
b6e0e86c 748 "VC bzr backend for diff."
27bbeb29
DD
749 (let* ((switches (vc-switches 'bzr 'diff))
750 (args
751 (append
752 ;; Only add --diff-options if there are any diff switches.
753 (unless (zerop (length switches))
754 (list "--diff-options" (mapconcat 'identity switches " ")))
755 ;; This `when' is just an optimization because bzr-1.2 is *much*
756 ;; faster when the revision argument is not given.
757 (when (or rev1 rev2)
758 (list "-r" (format "%s..%s"
759 (or rev1 "revno:-1")
760 (or rev2 "")))))))
761 ;; `bzr diff' exits with code 1 if diff is non-empty.
762 (apply #'vc-bzr-command "diff" (or buffer "*vc-diff*")
763 (if vc-disable-async-diff 1 'async) files
764 args)))
b6e0e86c 765
b6e0e86c 766
5b5afd50
ER
767;; FIXME: vc-{next,previous}-revision need fixing in vc.el to deal with
768;; straight integer revisions.
b6e0e86c
SM
769
770(defun vc-bzr-delete-file (file)
771 "Delete FILE and delete it in the bzr repository."
772 (condition-case ()
773 (delete-file file)
774 (file-error nil))
775 (vc-bzr-command "remove" nil 0 file))
776
777(defun vc-bzr-rename-file (old new)
778 "Rename file from OLD to NEW using `bzr mv'."
bc86f573
CY
779 (setq old (expand-file-name old))
780 (setq new (expand-file-name new))
781 (vc-bzr-command "mv" nil 0 new old)
782 (message "Renamed %s => %s" old new))
b6e0e86c
SM
783
784(defvar vc-bzr-annotation-table nil
785 "Internal use.")
786(make-variable-buffer-local 'vc-bzr-annotation-table)
787
5b5afd50 788(defun vc-bzr-annotate-command (file buffer &optional revision)
b6e0e86c
SM
789 "Prepare BUFFER for `vc-annotate' on FILE.
790Each line is tagged with the revision number, which has a `help-echo'
791property containing author and date information."
62ccc42c 792 (apply #'vc-bzr-command "annotate" buffer 'async file "--long" "--all"
a6762235 793 (if revision (list "-r" revision)))
0d42eb3e 794 (let ((table (make-hash-table :test 'equal)))
62ccc42c
SM
795 (set-process-filter
796 (get-buffer-process buffer)
797 (lambda (proc string)
798 (when (process-buffer proc)
799 (with-current-buffer (process-buffer proc)
800 (setq string (concat (process-get proc :vc-left-over) string))
b0a8e46b
GM
801 ;; Eg: 102020 Gnus developers 20101020 | regexp."
802 ;; As of bzr 2.2.2, no email address in whoami (which can
803 ;; lead to spaces in the author field) is allowed but discouraged.
804 ;; See bug#7792.
805 (while (string-match "^\\( *[0-9.]+ *\\) \\(.+?\\) +\\([0-9]\\{8\\}\\)\\( |.*\n\\)" string)
62ccc42c
SM
806 (let* ((rev (match-string 1 string))
807 (author (match-string 2 string))
808 (date (match-string 3 string))
809 (key (substring string (match-beginning 0)
810 (match-beginning 4)))
811 (line (match-string 4 string))
812 (tag (gethash key table))
813 (inhibit-read-only t))
814 (setq string (substring string (match-end 0)))
2c6bb71a
CY
815 (unless tag
816 (setq tag
817 (propertize
f82b1493 818 (format "%s %-7.7s" rev author)
2c6bb71a
CY
819 'help-echo (format "Revision: %d, author: %s, date: %s"
820 (string-to-number rev)
821 author date)
822 'mouse-face 'highlight))
62ccc42c
SM
823 (puthash key tag table))
824 (goto-char (process-mark proc))
825 (insert tag line)
826 (move-marker (process-mark proc) (point))))
827 (process-put proc :vc-left-over string)))))))
b6e0e86c 828
f8bd9ac6
DN
829(declare-function vc-annotate-convert-time "vc-annotate" (time))
830
b6e0e86c 831(defun vc-bzr-annotate-time ()
362b9d48 832 (when (re-search-forward "^ *[0-9.]+ +.+? +|" nil t)
a6762235
DN
833 (let ((prop (get-text-property (line-beginning-position) 'help-echo)))
834 (string-match "[0-9]+\\'" prop)
f8381803 835 (let ((str (match-string-no-properties 0 prop)))
b6e0e86c
SM
836 (vc-annotate-convert-time
837 (encode-time 0 0 0
f8381803
SM
838 (string-to-number (substring str 6 8))
839 (string-to-number (substring str 4 6))
840 (string-to-number (substring str 0 4))))))))
b6e0e86c
SM
841
842(defun vc-bzr-annotate-extract-revision-at-line ()
2b404597 843 "Return revision for current line of annotation buffer, or nil.
b6e0e86c
SM
844Return nil if current line isn't annotated."
845 (save-excursion
846 (beginning-of-line)
b0a8e46b 847 (if (looking-at "^ *\\([0-9.]+\\) +.* +|")
a6762235 848 (match-string-no-properties 1))))
b6e0e86c 849
a460c94c
SM
850(defun vc-bzr-command-discarding-stderr (command &rest args)
851 "Execute shell command COMMAND (with ARGS); return its output and exitcode.
b6e6e09a
SM
852Return value is a cons (EXITCODE . OUTPUT), where EXITCODE is
853the (numerical) exit code of the process, and OUTPUT is a string
854containing whatever the process sent to its standard output
855stream. Standard error output is discarded."
856 (with-temp-buffer
a460c94c 857 (cons
07c4b87c 858 (apply #'process-file command nil (list (current-buffer) nil) nil args)
b6e6e09a 859 (buffer-substring (point-min) (point-max)))))
b6e0e86c 860
a0c38937
DN
861(defstruct (vc-bzr-extra-fileinfo
862 (:copier nil)
863 (:constructor vc-bzr-create-extra-fileinfo (extra-name))
864 (:conc-name vc-bzr-extra-fileinfo->))
865 extra-name) ;; original name for rename targets, new name for
866
da4d4066 867(defun vc-bzr-dir-printer (info)
a0c38937
DN
868 "Pretty-printer for the vc-dir-fileinfo structure."
869 (let ((extra (vc-dir-fileinfo->extra info)))
da4d4066 870 (vc-default-dir-printer 'Bzr info)
a0c38937
DN
871 (when extra
872 (insert (propertize
873 (format " (renamed from %s)"
874 (vc-bzr-extra-fileinfo->extra-name extra))
875 'face 'font-lock-comment-face)))))
876
701d018c 877;; FIXME: this needs testing, it's probably incomplete.
460f6e7c 878(defun vc-bzr-after-dir-status (update-function relative-dir)
7ee8e7eb 879 (let ((status-str nil)
701d018c
DN
880 (translation '(("+N " . added)
881 ("-D " . removed)
882 (" M " . edited) ;; file text modified
883 (" *" . edited) ;; execute bit changed
884 (" M*" . edited) ;; text modified + execute bit changed
13754b54 885 ("I " . ignored)
701d018c 886 (" D " . missing)
f8381803 887 ;; For conflicts, should we list the .THIS/.BASE/.OTHER?
701d018c
DN
888 ("C " . conflict)
889 ("? " . unregistered)
a0c38937
DN
890 ;; No such state, but we need to distinguish this case.
891 ("R " . renamed)
b9236874 892 ("RM " . renamed)
11b4001c
DN
893 ;; For a non existent file FOO, the output is:
894 ;; bzr: ERROR: Path(s) do not exist: FOO
895 ("bzr" . not-found)
be14a425
DN
896 ;; If the tree is not up to date, bzr will print this warning:
897 ;; working tree is out of date, run 'bzr update'
898 ;; ignore it.
899 ;; FIXME: maybe this warning can be put in the vc-dir header...
900 ("wor" . not-found)
f8381803 901 ;; Ignore "P " and "P." for pending patches.
7534fa5e
DN
902 ("P " . not-found)
903 ("P. " . not-found)
f8381803 904 ))
7ee8e7eb
DN
905 (translated nil)
906 (result nil))
907 (goto-char (point-min))
908 (while (not (eobp))
85a55d38 909 ;; Bzr 2.3.0 added this if there are shelves. (Bug#8170)
ebe06da9 910 (unless (looking-at "[0-9]+ shel\\(f\\|ves\\) exists?\\.")
85a55d38
GM
911 (setq status-str
912 (buffer-substring-no-properties (point) (+ (point) 3)))
913 (setq translated (cdr (assoc status-str translation)))
914 (cond
915 ((eq translated 'conflict)
916 ;; For conflicts the file appears twice in the listing: once
917 ;; with the M flag and once with the C flag, so take care
918 ;; not to add it twice to `result'. Ugly.
919 (let* ((file
920 (buffer-substring-no-properties
921 ;;For files with conflicts the format is:
922 ;;C Text conflict in FILENAME
923 ;; Bah.
924 (+ (point) 21) (line-end-position)))
925 (entry (assoc file result)))
926 (when entry
927 (setf (nth 1 entry) 'conflict))))
928 ((eq translated 'renamed)
929 (re-search-forward "R[ M] \\(.*\\) => \\(.*\\)$" (line-end-position) t)
930 (let ((new-name (file-relative-name (match-string 2) relative-dir))
931 (old-name (file-relative-name (match-string 1) relative-dir)))
932 (push (list new-name 'edited
933 (vc-bzr-create-extra-fileinfo old-name)) result)))
934 ;; do nothing for non existent files
13754b54 935 ((memq translated '(not-found ignored)))
85a55d38
GM
936 (t
937 (push (list (file-relative-name
938 (buffer-substring-no-properties
939 (+ (point) 4)
940 (line-end-position)) relative-dir)
941 translated) result))))
942 (forward-line))
c1b51374 943 (funcall update-function result)))
7ee8e7eb 944
c1b51374 945(defun vc-bzr-dir-status (dir update-function)
7ee8e7eb 946 "Return a list of conses (file . state) for DIR."
115c0061
DN
947 (vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S")
948 (vc-exec-after
460f6e7c
DN
949 `(vc-bzr-after-dir-status (quote ,update-function)
950 ;; "bzr status" results are relative to
951 ;; the bzr root directory, NOT to the
952 ;; directory "bzr status" was invoked in.
953 ;; Ugh.
954 ;; We pass the relative directory here so
955 ;; that `vc-bzr-after-dir-status' can
956 ;; frob the results accordingly.
957 (file-relative-name ,dir (vc-bzr-root ,dir)))))
7ee8e7eb 958
0d42eb3e 959(defun vc-bzr-dir-status-files (dir files _default-state update-function)
11b4001c
DN
960 "Return a list of conses (file . state) for DIR."
961 (apply 'vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S" files)
962 (vc-exec-after
460f6e7c
DN
963 `(vc-bzr-after-dir-status (quote ,update-function)
964 (file-relative-name ,dir (vc-bzr-root ,dir)))))
da4d4066 965
4dfb3b9c
DN
966(defvar vc-bzr-shelve-map
967 (let ((map (make-sparse-keymap)))
968 ;; Turn off vc-dir marking
969 (define-key map [mouse-2] 'ignore)
970
971 (define-key map [down-mouse-3] 'vc-bzr-shelve-menu)
972 (define-key map "\C-k" 'vc-bzr-shelve-delete-at-point)
855a2294
DN
973 (define-key map "=" 'vc-bzr-shelve-show-at-point)
974 (define-key map "\C-m" 'vc-bzr-shelve-show-at-point)
975 (define-key map "A" 'vc-bzr-shelve-apply-and-keep-at-point)
8e7e2286 976 (define-key map "P" 'vc-bzr-shelve-apply-at-point)
855a2294 977 (define-key map "S" 'vc-bzr-shelve-snapshot)
4dfb3b9c
DN
978 map))
979
980(defvar vc-bzr-shelve-menu-map
981 (let ((map (make-sparse-keymap "Bzr Shelve")))
982 (define-key map [de]
7cc6e154 983 '(menu-item "Delete Shelf" vc-bzr-shelve-delete-at-point
4dfb3b9c 984 :help "Delete the current shelf"))
855a2294 985 (define-key map [ap]
7cc6e154 986 '(menu-item "Apply and Keep Shelf" vc-bzr-shelve-apply-and-keep-at-point
855a2294 987 :help "Apply the current shelf and keep it"))
8e7e2286 988 (define-key map [po]
7cc6e154 989 '(menu-item "Apply and Remove Shelf (Pop)" vc-bzr-shelve-apply-at-point
8e7e2286 990 :help "Apply the current shelf and remove it"))
855a2294 991 (define-key map [sh]
7cc6e154 992 '(menu-item "Show Shelve" vc-bzr-shelve-show-at-point
855a2294 993 :help "Show the contents of the current shelve"))
4dfb3b9c
DN
994 map))
995
996(defvar vc-bzr-extra-menu-map
997 (let ((map (make-sparse-keymap)))
855a2294 998 (define-key map [bzr-sn]
7cc6e154 999 '(menu-item "Shelve a Snapshot" vc-bzr-shelve-snapshot
855a2294 1000 :help "Shelve the current state of the tree and keep the current state"))
4dfb3b9c
DN
1001 (define-key map [bzr-sh]
1002 '(menu-item "Shelve..." vc-bzr-shelve
1003 :help "Shelve changes"))
1004 map))
1005
1006(defun vc-bzr-extra-menu () vc-bzr-extra-menu-map)
1007
1008(defun vc-bzr-extra-status-menu () vc-bzr-extra-menu-map)
1009
da4d4066 1010(defun vc-bzr-dir-extra-headers (dir)
be14a425
DN
1011 (let*
1012 ((str (with-temp-buffer
1013 (vc-bzr-command "info" t 0 dir)
1014 (buffer-string)))
4dfb3b9c
DN
1015 (shelve (vc-bzr-shelve-list))
1016 (shelve-help-echo "Use M-x vc-bzr-shelve to create shelves")
7a444e2a
DN
1017 (root-dir (vc-bzr-root dir))
1018 (pending-merge
4775ecad
DN
1019 ;; FIXME: looking for .bzr/checkout/merge-hashes is not a
1020 ;; reliable method to detect pending merges, disable this
1021 ;; until a proper solution is implemented.
1022 (and nil
1023 (file-exists-p
1024 (expand-file-name ".bzr/checkout/merge-hashes" root-dir))))
7a444e2a
DN
1025 (pending-merge-help-echo
1026 (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
1027 (light-checkout
1028 (when (string-match ".+light checkout root: \\(.+\\)$" str)
1029 (match-string 1 str)))
1030 (light-checkout-branch
1031 (when light-checkout
1032 (when (string-match ".+checkout of branch: \\(.+\\)$" str)
1033 (match-string 1 str)))))
da4d4066 1034 (concat
be14a425
DN
1035 (propertize "Parent branch : " 'face 'font-lock-type-face)
1036 (propertize
da4d4066 1037 (if (string-match "parent branch: \\(.+\\)$" str)
be14a425
DN
1038 (match-string 1 str)
1039 "None")
1040 'face 'font-lock-variable-name-face)
1041 "\n"
1042 (when light-checkout
1043 (concat
1044 (propertize "Light checkout root: " 'face 'font-lock-type-face)
1045 (propertize light-checkout 'face 'font-lock-variable-name-face)
1046 "\n"))
1047 (when light-checkout-branch
1048 (concat
1049 (propertize "Checkout of branch : " 'face 'font-lock-type-face)
1050 (propertize light-checkout-branch 'face 'font-lock-variable-name-face)
a3abb176 1051 "\n"))
7a444e2a
DN
1052 (when pending-merge
1053 (concat
1054 (propertize "Warning : " 'face 'font-lock-warning-face
1055 'help-echo pending-merge-help-echo)
1056 (propertize "Pending merges, commit recommended before any other action"
1057 'help-echo pending-merge-help-echo
1058 'face 'font-lock-warning-face)
1059 "\n"))
1060 (if shelve
1061 (concat
1062 (propertize "Shelves :\n" 'face 'font-lock-type-face
1063 'help-echo shelve-help-echo)
1064 (mapconcat
1065 (lambda (x)
1066 (propertize x
1067 'face 'font-lock-variable-name-face
1068 'mouse-face 'highlight
1069 '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"
1070 'keymap vc-bzr-shelve-map))
1071 shelve "\n"))
1072 (concat
1073 (propertize "Shelves : " 'face 'font-lock-type-face
1074 'help-echo shelve-help-echo)
1075 (propertize "No shelved changes"
1076 'help-echo shelve-help-echo
1077 'face 'font-lock-variable-name-face))))))
4dfb3b9c
DN
1078
1079(defun vc-bzr-shelve (name)
1080 "Create a shelve."
1081 (interactive "sShelf name: ")
1082 (let ((root (vc-bzr-root default-directory)))
1083 (when root
1084 (vc-bzr-command "shelve" nil 0 nil "--all" "-m" name)
1085 (vc-resynch-buffer root t t))))
1086
855a2294
DN
1087(defun vc-bzr-shelve-show (name)
1088 "Show the contents of shelve NAME."
1089 (interactive "sShelve name: ")
c80fa13c 1090 (vc-setup-buffer "*vc-diff*")
855a2294 1091 ;; FIXME: how can you show the contents of a shelf?
c80fa13c
SM
1092 (vc-bzr-command "unshelve" "*vc-diff*" 'async nil "--preview" name)
1093 (set-buffer "*vc-diff*")
855a2294
DN
1094 (diff-mode)
1095 (setq buffer-read-only t)
1096 (pop-to-buffer (current-buffer)))
4dfb3b9c
DN
1097
1098(defun vc-bzr-shelve-apply (name)
8e7e2286
DN
1099 "Apply shelve NAME and remove it afterwards."
1100 (interactive "sApply (and remove) shelf: ")
c80fa13c 1101 (vc-bzr-command "unshelve" nil 0 nil "--apply" name)
4dfb3b9c
DN
1102 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1103
855a2294
DN
1104(defun vc-bzr-shelve-apply-and-keep (name)
1105 "Apply shelve NAME and keep it afterwards."
1106 (interactive "sApply (and keep) shelf: ")
c80fa13c 1107 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep" name)
855a2294
DN
1108 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1109
1110(defun vc-bzr-shelve-snapshot ()
1111 "Create a stash with the current tree state."
1112 (interactive)
1113 (vc-bzr-command "shelve" nil 0 nil "--all" "-m"
1114 (let ((ct (current-time)))
1115 (concat
1116 (format-time-string "Snapshot on %Y-%m-%d" ct)
1117 (format-time-string " at %H:%M" ct))))
c80fa13c 1118 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep")
855a2294
DN
1119 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1120
4dfb3b9c
DN
1121(defun vc-bzr-shelve-list ()
1122 (with-temp-buffer
1123 (vc-bzr-command "shelve" (current-buffer) 1 nil "--list" "-q")
1124 (delete
1125 ""
1126 (split-string
1127 (buffer-substring (point-min) (point-max))
1128 "\n"))))
1129
1130(defun vc-bzr-shelve-get-at-point (point)
1131 (save-excursion
1132 (goto-char point)
1133 (beginning-of-line)
1134 (if (looking-at "^ +\\([0-9]+\\):")
1135 (match-string 1)
1136 (error "Cannot find shelf at point"))))
1137
1138(defun vc-bzr-shelve-delete-at-point ()
1139 (interactive)
1140 (let ((shelve (vc-bzr-shelve-get-at-point (point))))
2b404597 1141 (when (y-or-n-p (format "Remove shelf %s ? " shelve))
4dfb3b9c
DN
1142 (vc-bzr-command "unshelve" nil 0 nil "--delete-only" shelve)
1143 (vc-dir-refresh))))
1144
855a2294
DN
1145(defun vc-bzr-shelve-show-at-point ()
1146 (interactive)
1147 (vc-bzr-shelve-show (vc-bzr-shelve-get-at-point (point))))
4dfb3b9c
DN
1148
1149(defun vc-bzr-shelve-apply-at-point ()
1150 (interactive)
1151 (vc-bzr-shelve-apply (vc-bzr-shelve-get-at-point (point))))
1152
855a2294
DN
1153(defun vc-bzr-shelve-apply-and-keep-at-point ()
1154 (interactive)
1155 (vc-bzr-shelve-apply-and-keep (vc-bzr-shelve-get-at-point (point))))
1156
4dfb3b9c
DN
1157(defun vc-bzr-shelve-menu (e)
1158 (interactive "e")
1159 (vc-dir-at-event e (popup-menu vc-bzr-shelve-menu-map e)))
da4d4066 1160
d9de6d6f
MH
1161(defun vc-bzr-revision-table (files)
1162 (let ((vc-bzr-revisions '())
1163 (default-directory (file-name-directory (car files))))
1164 (with-temp-buffer
1165 (vc-bzr-command "log" t 0 files "--line")
1166 (let ((start (point-min))
1167 (loglines (buffer-substring-no-properties (point-min) (point-max))))
1168 (while (string-match "^\\([0-9]+\\):" loglines)
1169 (push (match-string 1 loglines) vc-bzr-revisions)
1170 (setq start (+ start (match-end 0)))
1171 (setq loglines (buffer-substring-no-properties start (point-max))))))
1172 vc-bzr-revisions))
1173
e97a42c1
SM
1174(defun vc-bzr-conflicted-files (dir)
1175 (let ((default-directory (vc-bzr-root dir))
1176 (files ()))
1177 (with-temp-buffer
1178 (vc-bzr-command "status" t 0 default-directory)
1179 (goto-char (point-min))
1180 (when (re-search-forward "^conflicts:\n" nil t)
1181 (while (looking-at " \\(?:Text conflict in \\(.*\\)\\|.*\\)\n")
1182 (if (match-end 1)
1183 (push (expand-file-name (match-string 1)) files))
1184 (goto-char (match-end 0)))))
1185 files))
1186
39f44442
SM
1187;;; Revision completion
1188
00f71f39
SM
1189(eval-and-compile
1190 (defconst vc-bzr-revision-keywords
eb604e34
SM
1191 ;; bzr help revisionspec | sed -ne 's/^\([a-z]*\):$/"\1"/p' | sort -u
1192 '("ancestor" "annotate" "before" "branch" "date" "last" "mainline" "revid"
0757af94 1193 "revno" "submit" "tag")))
00f71f39 1194
39f44442 1195(defun vc-bzr-revision-completion-table (files)
0d42eb3e
SM
1196 ;; What about using `files'?!? --Stef
1197 (lambda (string pred action)
1198 (cond
1199 ((string-match "\\`\\(ancestor\\|branch\\|\\(revno:\\)?[-0-9]+:\\):"
1200 string)
1201 (completion-table-with-context (substring string 0 (match-end 0))
1202 (apply-partially
1203 'completion-table-with-predicate
1204 'completion-file-name-table
1205 'file-directory-p t)
1206 (substring string (match-end 0))
1207 pred
1208 action))
1209 ((string-match "\\`\\(before\\):" string)
1210 (completion-table-with-context (substring string 0 (match-end 0))
1211 (vc-bzr-revision-completion-table files)
1212 (substring string (match-end 0))
1213 pred
1214 action))
1215 ((string-match "\\`\\(tag\\):" string)
1216 (let ((prefix (substring string 0 (match-end 0)))
1217 (tag (substring string (match-end 0)))
1218 (table nil)
1219 process-file-side-effects)
1220 (with-temp-buffer
1221 ;; "bzr-1.2 tags" is much faster with --show-ids.
1222 (process-file vc-bzr-program nil '(t) nil "tags" "--show-ids")
1223 ;; The output is ambiguous, unless we assume that revids do not
1224 ;; contain spaces.
1225 (goto-char (point-min))
1226 (while (re-search-forward "^\\(.*[^ \n]\\) +[^ \n]*$" nil t)
1227 (push (match-string-no-properties 1) table)))
1228 (completion-table-with-context prefix table tag pred action)))
1229
1230 ((string-match "\\`annotate:" string)
1231 (completion-table-with-context
1232 (substring string 0 (match-end 0))
1233 (apply-partially #'completion-table-with-terminator '(":" . "\\`a\\`")
1234 #'completion-file-name-table)
1235 (substring string (match-end 0)) pred action))
1236
1237 ((string-match "\\`date:" string)
1238 (completion-table-with-context
1239 (substring string 0 (match-end 0))
1240 '("yesterday" "today" "tomorrow")
1241 (substring string (match-end 0)) pred action))
1242
1243 ((string-match "\\`\\([a-z]+\\):" string)
1244 ;; no actual completion for the remaining keywords.
1245 (completion-table-with-context (substring string 0 (match-end 0))
1246 (if (member (match-string 1 string)
1247 vc-bzr-revision-keywords)
1248 ;; If it's a valid keyword,
1249 ;; use a non-empty table to
1250 ;; indicate it.
1251 '("") nil)
1252 (substring string (match-end 0))
1253 pred
1254 action))
1255 (t
1256 ;; Could use completion-table-with-terminator, except that it
1257 ;; currently doesn't work right w.r.t pcm and doesn't give
1258 ;; the *Completions* output we want.
1259 (complete-with-action action (eval-when-compile
1260 (mapcar (lambda (s) (concat s ":"))
1261 vc-bzr-revision-keywords))
1262 string pred)))))
39f44442 1263
b6e0e86c 1264(provide 'vc-bzr)
2b404597 1265
b6e0e86c 1266;;; vc-bzr.el ends here