Merge from trunk.
[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
ab422c4d 3;; Copyright (C) 2006-2013 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
a464a6c7 49 (require 'cl-lib)
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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."
37320a58 104 (let ((process-environment
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105 `("BZR_PROGRESS_BAR=none" ; Suppress progress output (bzr >=0.9)
106 "LC_MESSAGES=C" ; Force English output
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."
9bfe5783 125 (let* ((process-environment
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126 `("BZR_PROGRESS_BAR=none" "LC_MESSAGES=C"
127 ,@process-environment))
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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"))
37320a58 152
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153(defun vc-bzr-root (file)
154 "Return the root directory of the bzr repository containing FILE."
155 ;; Cache technique copied from vc-arch.el.
156 (or (vc-file-getprop file 'bzr-root)
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157 (let ((root (vc-find-root file vc-bzr-admin-checkout-format-file)))
158 (when root (vc-file-setprop file 'bzr-root root)))))
b6e0e86c 159
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160(defun vc-bzr-branch-conf (file)
161 "Return the Bazaar branch settings for file FILE, as an alist.
162Each element of the returned alist has the form (NAME . VALUE),
163which are the name and value of a Bazaar setting, as strings.
164
165The settings are read from the file \".bzr/branch/branch.conf\"
166in the repository root directory of FILE."
167 (let (settings)
168 (with-temp-buffer
169 (insert-file-contents
170 (expand-file-name vc-bzr-admin-branchconf (vc-bzr-root file)))
171 (while (re-search-forward "^\\([^#=][^=]*?\\) *= *\\(.*\\)$" nil t)
172 (push (cons (match-string 1) (match-string 2)) settings)))
173 settings))
2c3160c5 174
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175(defun vc-bzr-sha1 (file)
176 (with-temp-buffer
177 (set-buffer-multibyte nil)
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178 (insert-file-contents-literally file)
179 (sha1 (current-buffer))))
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180
181(defun vc-bzr-state-heuristic (file)
182 "Like `vc-bzr-state' but hopefully without running Bzr."
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183 ;; `bzr status' could be slow with large histories and pending merges,
184 ;; so this tries to avoid calling it if possible. bzr status is
185 ;; faster now, so this is not as important as it was.
186 ;;
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187 ;; This function tries first to parse Bzr internal file
188 ;; `checkout/dirstate', but it may fail if Bzr internal file format
189 ;; has changed. As a safeguard, the `checkout/dirstate' file is
190 ;; only parsed if it contains the string `#bazaar dirstate flat
191 ;; format 3' in the first line.
192 ;; If the `checkout/dirstate' file cannot be parsed, fall back to
193 ;; running `vc-bzr-state'."
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194 ;;
195 ;; The format of the dirstate file is explained in bzrlib/dirstate.py
196 ;; in the bzr distribution. Basically:
197 ;; header-line giving the version of the file format in use.
198 ;; a few lines of stuff
199 ;; entries, one per line, with null-separated fields. Each line:
200 ;; entry_key = dirname (may be empty), basename, file-id
201 ;; current = common ( = kind, fingerprint, size, executable )
202 ;; + working ( = packed_stat )
203 ;; parent = common ( as above ) + history ( = rev_id )
204 ;; kinds = (r)elocated, (a)bsent, (d)irectory, (f)ile, (l)ink
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205 (let* ((root (vc-bzr-root file))
206 (dirstate (expand-file-name vc-bzr-admin-dirstate root)))
207 (when root ; Short cut.
208 (condition-case err
209 (with-temp-buffer
210 (insert-file-contents dirstate)
211 (goto-char (point-min))
212 (if (not (looking-at "#bazaar dirstate flat format 3"))
213 (vc-bzr-state file) ; Some other unknown format?
214 (let* ((relfile (file-relative-name file root))
215 (reldir (file-name-directory relfile)))
216 (cond
217 ((not
218 (re-search-forward
219 (concat "^\0"
220 (if reldir (regexp-quote
221 (directory-file-name reldir)))
222 "\0"
223 (regexp-quote (file-name-nondirectory relfile))
224 "\0"
225 "[^\0]*\0" ;id?
226 "\\([^\0]*\\)\0" ;"a/f/d", a=removed?
227 "\\([^\0]*\\)\0" ;sha1 (empty if conflicted)?
228 "\\([^\0]*\\)\0" ;size?p
229 ;; y/n. Whether or not the current copy
230 ;; was executable the last time bzr checked?
231 "[^\0]*\0"
232 "[^\0]*\0" ;?
233 ;; Parent information. Absent in a new repo.
234 "\\(?:\\([^\0]*\\)\0" ;"a/f/d" a=added?
235 "\\([^\0]*\\)\0" ;sha1 again?
236 "\\([^\0]*\\)\0" ;size again?
237 ;; y/n. Whether or not the repo thinks
238 ;; the file should be executable?
239 "\\([^\0]*\\)\0"
240 "[^\0]*\0\\)?" ;last revid?
241 ;; There are more fields when merges are pending.
242 )
243 nil t))
244 'unregistered)
245 ;; Apparently the second sha1 is the one we want: when
246 ;; there's a conflict, the first sha1 is absent (and the
247 ;; first size seems to correspond to the file with
248 ;; conflict markers).
249 ((eq (char-after (match-beginning 1)) ?a) 'removed)
250 ;; If there is no parent, this must be a new repo.
251 ;; If file is in dirstate, can only be added (b#8025).
252 ((or (not (match-beginning 4))
253 (eq (char-after (match-beginning 4)) ?a)) 'added)
254 ((or (and (eq (string-to-number (match-string 3))
255 (nth 7 (file-attributes file)))
256 (equal (match-string 5)
257 (save-match-data (vc-bzr-sha1 file)))
258 ;; For a file, does the executable state match?
259 ;; (Bug#7544)
260 (or (not
261 (eq (char-after (match-beginning 1)) ?f))
262 (let ((exe
263 (memq
264 ?x
265 (mapcar
266 'identity
267 (nth 8 (file-attributes file))))))
268 (if (eq (char-after (match-beginning 7))
269 ?y)
270 exe
271 (not exe)))))
272 (and
273 ;; It looks like for lightweight
274 ;; checkouts \2 is empty and we need to
275 ;; look for size in \6.
276 (eq (match-beginning 2) (match-end 2))
277 (eq (string-to-number (match-string 6))
278 (nth 7 (file-attributes file)))
279 (equal (match-string 5)
280 (vc-bzr-sha1 file))))
281 'up-to-date)
282 (t 'edited)))))
283 ;; The dirstate file can't be read, or some other problem.
284 (error
285 (message "Falling back on \"slow\" status detection (%S)" err)
286 (vc-bzr-state file))))))
2793b89e 287
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288;; This is a cheap approximation that is autoloaded. If it finds a
289;; possible match it loads this file and runs the real function.
290;; It requires vc-bzr-admin-checkout-format-file to be autoloaded too.
291;;;###autoload (defun vc-bzr-registered (file)
292;;;###autoload (if (vc-find-root file vc-bzr-admin-checkout-format-file)
293;;;###autoload (progn
af314ba0 294;;;###autoload (load "vc-bzr" nil t)
93ab178b 295;;;###autoload (vc-bzr-registered file))))
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296
297(defun vc-bzr-registered (file)
298 "Return non-nil if FILE is registered with bzr."
299 (let ((state (vc-bzr-state-heuristic file)))
300 (not (memq state '(nil unregistered ignored)))))
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301
302(defconst vc-bzr-state-words
33e5d7d4 303 "added\\|ignored\\|kind changed\\|modified\\|removed\\|renamed\\|unknown"
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304 "Regexp matching file status words as reported in `bzr' output.")
305
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306;; History of Bzr commands.
307(defvar vc-bzr-history nil)
308
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309(defun vc-bzr-file-name-relative (filename)
310 "Return file name FILENAME stripped of the initial Bzr repository path."
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311 (let* ((filename* (expand-file-name filename))
312 (rootdir (vc-bzr-root filename*)))
def61be2 313 (when rootdir
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314 (file-relative-name filename* rootdir))))
315
8a4e6db8 316(defvar vc-bzr-error-regexp-alist
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317 '(("^\\( M[* ]\\|+N \\|-D \\|\\| \\*\\|R[M ] \\) \\(.+\\)" 2 nil nil 1)
318 ("^C \\(.+\\)" 2)
319 ("^Text conflict in \\(.+\\)" 1 nil nil 2)
320 ("^Using saved parent location: \\(.+\\)" 1 nil nil 0))
321 "Value of `compilation-error-regexp-alist' in *vc-bzr* buffers.")
322
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323(defun vc-bzr-pull (prompt)
324 "Pull changes into the current Bzr branch.
325Normally, this runs \"bzr pull\". However, if the branch is a
326bound branch, run \"bzr update\" instead. If there is no default
327location from which to pull or update, or if PROMPT is non-nil,
328prompt for the Bzr command to run."
329 (let* ((vc-bzr-program vc-bzr-program)
3ab713fd 330 (branch-conf (vc-bzr-branch-conf default-directory))
2c3160c5 331 ;; Check whether the branch is bound.
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332 (bound (assoc "bound" branch-conf))
333 (bound (and bound (equal "true" (downcase (cdr bound)))))
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334 ;; If we need to do a "bzr pull", check for a parent. If it
335 ;; does not exist, bzr will need a pull location.
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336 (has-parent (unless bound
337 (assoc "parent_location" branch-conf)))
2c3160c5 338 (command (if bound "update" "pull"))
3d92f44e 339 args)
2c3160c5 340 ;; If necessary, prompt for the exact command.
3ab713fd 341 (when (or prompt (not (or bound has-parent)))
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342 (setq args (split-string
343 (read-shell-command
a2b6e5d6 344 "Bzr pull command: "
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345 (concat vc-bzr-program " " command)
346 'vc-bzr-history)
347 " " t))
348 (setq vc-bzr-program (car args)
349 command (cadr args)
350 args (cddr args)))
3ab713fd 351 (let ((buf (apply 'vc-bzr-async-command command args)))
8a4e6db8 352 (with-current-buffer buf (vc-exec-after '(vc-compilation-mode 'bzr)))
3ab713fd 353 (vc-set-async-update buf))))
2c3160c5 354
3d92f44e 355(defun vc-bzr-merge-branch ()
2c3160c5 356 "Merge another Bzr branch into the current one.
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357Prompt for the Bzr command to run, providing a pre-defined merge
358source (an upstream branch or a previous merge source) as a
359default if it is available."
3ab713fd 360 (let* ((branch-conf (vc-bzr-branch-conf default-directory))
3d92f44e 361 ;; "bzr merge" without an argument defaults to submit_branch,
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362 ;; then parent_location. Extract the specific location and
363 ;; add it explicitly to the command line.
3ab713fd 364 (setting nil)
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365 (location
366 (cond
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367 ((setq setting (assoc "submit_branch" branch-conf))
368 (cdr setting))
369 ((setq setting (assoc "parent_location" branch-conf))
370 (cdr setting))))
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371 (cmd
372 (split-string
373 (read-shell-command
a2b6e5d6 374 "Bzr merge command: "
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375 (concat vc-bzr-program " merge --pull"
376 (if location (concat " " location) ""))
377 'vc-bzr-history)
378 " " t))
379 (vc-bzr-program (car cmd))
380 (command (cadr cmd))
381 (args (cddr cmd)))
3ab713fd 382 (let ((buf (apply 'vc-bzr-async-command command args)))
8a4e6db8 383 (with-current-buffer buf (vc-exec-after '(vc-compilation-mode 'bzr)))
3ab713fd 384 (vc-set-async-update buf))))
2c3160c5 385
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386(defun vc-bzr-status (file)
387 "Return FILE status according to Bzr.
388Return value is a cons (STATUS . WARNING), where WARNING is a
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389string or nil, and STATUS is one of the symbols: `added',
390`ignored', `kindchanged', `modified', `removed', `renamed', `unknown',
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391which directly correspond to `bzr status' output, or 'unchanged
392for files whose copy in the working tree is identical to the one
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393in the branch repository (or whose status not be determined)."
394;; Doc used to also say the following, but AFAICS, it has never been true.
395;;
396;; ", or nil for files that are not registered with Bzr.
397;; If any error occurred in running `bzr status', then return nil."
398;;
399;; Rather than returning nil in case of an error, it returns
400;; (unchanged . WARNING). FIXME unchanged is not the best status to
401;; return in case of error.
77b5d458 402 (with-temp-buffer
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403 ;; This is with-demoted-errors without the condition-case-unless-debug
404 ;; annoyance, which makes it fail during ert testing.
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405 (condition-case err (vc-bzr-command "status" t 0 file)
406 (error (message "Error: %S" err) nil))
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407 (let ((status 'unchanged))
408 ;; the only secure status indication in `bzr status' output
409 ;; is a couple of lines following the pattern::
410 ;; | <status>:
411 ;; | <file name>
412 ;; if the file is up-to-date, we get no status report from `bzr',
413 ;; so if the regexp search for the above pattern fails, we consider
414 ;; the file to be up-to-date.
415 (goto-char (point-min))
416 (when (re-search-forward
417 ;; bzr prints paths relative to the repository root.
418 (concat "^\\(" vc-bzr-state-words "\\):[ \t\n]+"
419 (regexp-quote (vc-bzr-file-name-relative file))
420 ;; Bzr appends a '/' to directory names and
421 ;; '*' to executable files
422 (if (file-directory-p file) "/?" "\\*?")
423 "[ \t\n]*$")
424 nil t)
0d42eb3e 425 (let ((statusword (match-string 1)))
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426 ;; Erase the status text that matched.
427 (delete-region (match-beginning 0) (match-end 0))
428 (setq status
429 (intern (replace-regexp-in-string " " "" statusword)))))
430 (when status
431 (goto-char (point-min))
432 (skip-chars-forward " \n\t") ;Throw away spaces.
433 (cons status
434 ;; "bzr" will output warnings and informational messages to
435 ;; stderr; due to Emacs's `vc-do-command' (and, it seems,
436 ;; `start-process' itself) limitations, we cannot catch stderr
437 ;; and stdout into different buffers. So, if there's anything
438 ;; left in the buffer after removing the above status
439 ;; keywords, let us just presume that any other message from
440 ;; "bzr" is a user warning, and display it.
441 (unless (eobp) (buffer-substring (point) (point-max))))))))
a0e5e075 442
33e5d7d4 443(defun vc-bzr-state (file)
0d42eb3e 444 (let ((result (vc-bzr-status file)))
33e5d7d4 445 (when (consp result)
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446 (let ((warnings (cdr result)))
447 (when warnings
448 ;; bzr 2.3.0 returns info about shelves, which is not really a warning
ebe06da9 449 (when (string-match "[0-9]+ shel\\(f\\|ves\\) exists?\\..*?\n" warnings)
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450 (setq warnings (replace-match "" nil nil warnings)))
451 (unless (string= warnings "")
452 (message "Warnings in `bzr' output: %s" warnings))))
33e5d7d4 453 (cdr (assq (car result)
6a3f9bb7 454 '((added . added)
fba500b6 455 (kindchanged . edited)
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456 (renamed . edited)
457 (modified . edited)
54bf3704 458 (removed . removed)
3702367b 459 (ignored . ignored)
54bf3704 460 (unknown . unregistered)
33e5d7d4 461 (unchanged . up-to-date)))))))
b6e0e86c 462
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463(defun vc-bzr-resolve-when-done ()
464 "Call \"bzr resolve\" if the conflict markers have been removed."
465 (save-excursion
466 (goto-char (point-min))
467 (unless (re-search-forward "^<<<<<<< " nil t)
468 (vc-bzr-command "resolve" nil 0 buffer-file-name)
469 ;; Remove the hook so that it is not called multiple times.
470 (remove-hook 'after-save-hook 'vc-bzr-resolve-when-done t))))
471
472(defun vc-bzr-find-file-hook ()
473 (when (and buffer-file-name
474 ;; FIXME: We should check that "bzr status" says "conflict".
475 (file-exists-p (concat buffer-file-name ".BASE"))
476 (file-exists-p (concat buffer-file-name ".OTHER"))
477 (file-exists-p (concat buffer-file-name ".THIS"))
478 ;; If "bzr status" says there's a conflict but there are no
479 ;; conflict markers, it's not clear what we should do.
480 (save-excursion
481 (goto-char (point-min))
482 (re-search-forward "^<<<<<<< " nil t)))
483 ;; TODO: the merge algorithm used in `bzr merge' is nicely configurable,
484 ;; but the one in `bzr pull' isn't, so it would be good to provide an
485 ;; elisp function to remerge from the .BASE/OTHER/THIS files.
486 (smerge-start-session)
487 (add-hook 'after-save-hook 'vc-bzr-resolve-when-done nil t)
488 (message "There are unresolved conflicts in this file")))
489
b6e0e86c 490(defun vc-bzr-workfile-unchanged-p (file)
33e5d7d4 491 (eq 'unchanged (car (vc-bzr-status file))))
b6e0e86c 492
ac3f4c6f 493(defun vc-bzr-working-revision (file)
82eb83ff
SM
494 ;; Together with the code in vc-state-heuristic, this makes it possible
495 ;; to get the initial VC state of a Bzr file even if Bzr is not installed.
0d42eb3e
SM
496 (let* ((rootdir (vc-bzr-root file))
497 (branch-format-file (expand-file-name vc-bzr-admin-branch-format-file
498 rootdir))
499 (revhistory-file (expand-file-name vc-bzr-admin-revhistory rootdir))
500 (lastrev-file (expand-file-name vc-bzr-admin-lastrev rootdir)))
6e98ad29
SM
501 ;; This looks at internal files to avoid forking a bzr process.
502 ;; May break if they change their format.
be14a425 503 (if (and (file-exists-p branch-format-file)
0d42eb3e 504 ;; For lightweight checkouts (obtained with bzr co --lightweight)
be14a425
DN
505 ;; the branch-format-file does not contain the revision
506 ;; information, we need to look up the branch-format-file
507 ;; in the place where the lightweight checkout comes
508 ;; from. We only do that if it's a local file.
509 (let ((location-fname (expand-file-name
510 (concat vc-bzr-admin-dirname
511 "/branch/location") rootdir)))
512 ;; The existence of this file is how we distinguish
513 ;; lightweight checkouts.
514 (if (file-exists-p location-fname)
515 (with-temp-buffer
516 (insert-file-contents location-fname)
37860caf
DN
517 ;; If the lightweight checkout points to a
518 ;; location in the local file system, then we can
519 ;; look there for the version information.
520 (when (re-search-forward "file://\\(.+\\)" nil t)
521 (let ((l-c-parent-dir (match-string 1)))
6ee86780 522 (when (and (memq system-type '(ms-dos windows-nt))
0d42eb3e
SM
523 (string-match-p "^/[[:alpha:]]:"
524 l-c-parent-dir))
525 ;;; The non-Windows code takes a shortcut by using
526 ;;; the host/path separator slash as the start of
527 ;;; the absolute path. That does not work on
528 ;;; Windows, so we must remove it (bug#5345)
6ee86780 529 (setq l-c-parent-dir (substring l-c-parent-dir 1)))
37860caf
DN
530 (setq branch-format-file
531 (expand-file-name vc-bzr-admin-branch-format-file
532 l-c-parent-dir))
533 (setq lastrev-file
0d42eb3e
SM
534 (expand-file-name vc-bzr-admin-lastrev
535 l-c-parent-dir))
536 ;; FIXME: maybe it's overkill to check if both these
537 ;; files exist.
37860caf 538 (and (file-exists-p branch-format-file)
82375160
GM
539 (file-exists-p lastrev-file)
540 (equal (emacs-bzr-version-dirstate l-c-parent-dir)
541 (emacs-bzr-version-dirstate rootdir))))))
be14a425 542 t)))
fba500b6 543 (with-temp-buffer
def61be2 544 (insert-file-contents branch-format-file)
a460c94c
SM
545 (goto-char (point-min))
546 (cond
547 ((or
548 (looking-at "Bazaar-NG branch, format 0.0.4")
549 (looking-at "Bazaar-NG branch format 5"))
550 ;; count lines in .bzr/branch/revision-history
def61be2 551 (insert-file-contents revhistory-file)
a460c94c 552 (number-to-string (count-lines (line-end-position) (point-max))))
65105010
DN
553 ((or
554 (looking-at "Bazaar Branch Format 6 (bzr 0.15)")
555 (looking-at "Bazaar Branch Format 7 (needs bzr 1.6)"))
a460c94c 556 ;; revno is the first number in .bzr/branch/last-revision
def61be2 557 (insert-file-contents lastrev-file)
65105010
DN
558 (when (re-search-forward "[0-9]+" nil t)
559 (buffer-substring (match-beginning 0) (match-end 0))))))
82375160
GM
560 ;; Fallback to calling "bzr revno --tree".
561 ;; The "--tree" matters for lightweight checkouts not on the same
562 ;; revision as the parent.
0d42eb3e 563 (let* ((result (vc-bzr-command-discarding-stderr
82375160
GM
564 vc-bzr-program "revno" "--tree"
565 (file-relative-name file)))
0d42eb3e
SM
566 (exitcode (car result))
567 (output (cdr result)))
b6e6e09a 568 (cond
82375160
GM
569 ((and (eq exitcode 0) (not (zerop (length output))))
570 (substring output 0 -1))
b6e6e09a 571 (t nil))))))
b6e0e86c 572
a6ea7ffc 573(defun vc-bzr-create-repo ()
4211679b 574 "Create a new Bzr repository."
a6ea7ffc
DN
575 (vc-bzr-command "init" nil 0 nil))
576
0d42eb3e 577(defun vc-bzr-init-revision (&optional _file)
f4d0cf23
SM
578 "Always return nil, as Bzr cannot register explicit versions."
579 nil)
580
0d42eb3e 581(defun vc-bzr-previous-revision (_file rev)
882e82db
SM
582 (if (string-match "\\`[0-9]+\\'" rev)
583 (number-to-string (1- (string-to-number rev)))
584 (concat "before:" rev)))
585
0d42eb3e 586(defun vc-bzr-next-revision (_file rev)
882e82db
SM
587 (if (string-match "\\`[0-9]+\\'" rev)
588 (number-to-string (1+ (string-to-number rev)))
589 (error "Don't know how to compute the next revision of %s" rev)))
590
0d42eb3e 591(defun vc-bzr-register (files &optional rev _comment)
2b404597 592 "Register FILES under bzr.
b6e0e86c
SM
593Signal an error unless REV is nil.
594COMMENT is ignored."
5b5afd50 595 (if rev (error "Can't register explicit revision with bzr"))
8cdd17b4 596 (vc-bzr-command "add" nil 0 files))
b6e0e86c
SM
597
598;; Could run `bzr status' in the directory and see if it succeeds, but
599;; that's relatively expensive.
b6e6e09a 600(defalias 'vc-bzr-responsible-p 'vc-bzr-root
b6e0e86c
SM
601 "Return non-nil if FILE is (potentially) controlled by bzr.
602The criterion is that there is a `.bzr' directory in the same
37320a58 603or a superior directory.")
b6e0e86c
SM
604
605(defun vc-bzr-could-register (file)
606 "Return non-nil if FILE could be registered under bzr."
607 (and (vc-bzr-responsible-p file) ; shortcut
608 (condition-case ()
609 (with-temp-buffer
610 (vc-bzr-command "add" t 0 file "--dry-run")
611 ;; The command succeeds with no output if file is
612 ;; registered (in bzr 0.8).
360cf7bc 613 (goto-char (point-min))
b6e0e86c
SM
614 (looking-at "added "))
615 (error))))
616
617(defun vc-bzr-unregister (file)
618 "Unregister FILE from bzr."
f4d0cf23 619 (vc-bzr-command "remove" nil 0 file "--keep"))
b6e0e86c 620
e97a42c1
SM
621(declare-function log-edit-extract-headers "log-edit" (headers string))
622
a0784609
SM
623(defun vc-bzr--sanitize-header (arg)
624 ;; Newlines in --fixes (and probably other fields as well) trigger a nasty
625 ;; Bazaar bug; see https://bugs.launchpad.net/bzr/+bug/1094180.
626 (lambda (str) (list arg
627 (replace-regexp-in-string "\\`[ \t]+\\|[ \t]+\\'"
628 "" (replace-regexp-in-string
629 "\n[ \t]?" " " str)))))
630
e97a42c1 631(defun vc-bzr-checkin (files rev comment)
2b404597 632 "Check FILES in to bzr with log message COMMENT.
b6e0e86c 633REV non-nil gets an error."
5b5afd50 634 (if rev (error "Can't check in a specific revision with bzr"))
a0784609
SM
635 (apply 'vc-bzr-command "commit" nil 0 files
636 (cons "-m" (log-edit-extract-headers
637 `(("Author" . ,(vc-bzr--sanitize-header "--author"))
638 ("Date" . ,(vc-bzr--sanitize-header "--commit-time"))
639 ("Fixes" . ,(vc-bzr--sanitize-header "--fixes")))
640 comment))))
b6e0e86c 641
d3c24c25
DN
642(defun vc-bzr-find-revision (file rev buffer)
643 "Fetch revision REV of file FILE and put it into BUFFER."
f4d0cf23
SM
644 (with-current-buffer buffer
645 (if (and rev (stringp rev) (not (string= rev "")))
646 (vc-bzr-command "cat" t 0 file "-r" rev)
647 (vc-bzr-command "cat" t 0 file))))
648
0d42eb3e 649(defun vc-bzr-checkout (_file &optional _editable rev)
5a3b79c4
SM
650 (if rev (error "Operation not supported")
651 ;; Else, there's nothing to do.
652 nil))
b6e0e86c
SM
653
654(defun vc-bzr-revert (file &optional contents-done)
655 (unless contents-done
f67bfbcf 656 (with-temp-buffer (vc-bzr-command "revert" t 0 file "--no-backup"))))
b6e0e86c 657
37320a58
SM
658(defvar log-view-message-re)
659(defvar log-view-file-re)
660(defvar log-view-font-lock-keywords)
661(defvar log-view-current-tag-function)
def61be2 662(defvar log-view-per-file-logs)
d4eb88c7 663(defvar log-view-expanded-log-entry-function)
37320a58
SM
664
665(define-derived-mode vc-bzr-log-view-mode log-view-mode "Bzr-Log-View"
666 (remove-hook 'log-view-mode-hook 'vc-bzr-log-view-mode) ;Deactivate the hack.
b6e0e86c 667 (require 'add-log)
6653c6b7 668 (set (make-local-variable 'log-view-per-file-logs) nil)
1c0f0c3b 669 (set (make-local-variable 'log-view-file-re) "\\`a\\`")
37320a58 670 (set (make-local-variable 'log-view-message-re)
31527c56 671 (if (eq vc-log-view-type 'short)
755da7fa 672 "^ *\\([0-9.]+\\): \\(.*?\\)[ \t]+\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\\)\\( \\[merge\\]\\)?"
32ba3abc 673 "^ *\\(?:revno: \\([0-9.]+\\)\\|merged: .+\\)"))
d4eb88c7
CY
674 ;; Allow expanding short log entries
675 (when (eq vc-log-view-type 'short)
33f6cf7b 676 (setq truncate-lines t)
d4eb88c7
CY
677 (set (make-local-variable 'log-view-expanded-log-entry-function)
678 'vc-bzr-expanded-log-entry))
b6e0e86c 679 (set (make-local-variable 'log-view-font-lock-keywords)
37320a58
SM
680 ;; log-view-font-lock-keywords is careful to use the buffer-local
681 ;; value of log-view-message-re only since Emacs-23.
31527c56 682 (if (eq vc-log-view-type 'short)
32ba3abc
DN
683 (append `((,log-view-message-re
684 (1 'log-view-message-face)
685 (2 'change-log-name)
686 (3 'change-log-date)
99999a1d 687 (4 'change-log-list nil lax))))
32ba3abc
DN
688 (append `((,log-view-message-re . 'log-view-message-face))
689 ;; log-view-font-lock-keywords
3d5d0aa9 690 '(("^ *\\(?:committer\\|author\\): \
5ec05779 691\\([^<(]+?\\)[ ]*[(<]\\([[:alnum:]_.+-]+@[[:alnum:]_.-]+\\)[>)]"
32ba3abc
DN
692 (1 'change-log-name)
693 (2 'change-log-email))
694 ("^ *timestamp: \\(.*\\)" (1 'change-log-date-face)))))))
b6e0e86c 695
662c5698 696(defun vc-bzr-print-log (files buffer &optional shortlog start-revision limit)
bb7cdf58
GM
697 "Print commit log associated with FILES into specified BUFFER.
698If SHORTLOG is non-nil, use --line format.
699If START-REVISION is non-nil, it is the newest revision to show.
700If LIMIT is non-nil, show no more than this many entries."
ac51b151
DN
701 ;; `vc-do-command' creates the buffer, but we need it before running
702 ;; the command.
703 (vc-setup-buffer buffer)
704 ;; If the buffer exists from a previous invocation it might be
705 ;; read-only.
5a3b79c4
SM
706 ;; FIXME: `vc-bzr-command' runs `bzr log' with `LC_MESSAGES=C', so
707 ;; the log display may not what the user wants - but I see no other
708 ;; way of getting the above regexps working.
1c0f0c3b
DN
709 (with-current-buffer buffer
710 (apply 'vc-bzr-command "log" buffer 'async files
3f6bd790 711 (append
755da7fa 712 (when shortlog '("--line"))
662c5698 713 (when start-revision (list (format "-r..%s" start-revision)))
3f6bd790 714 (when limit (list "-l" (format "%s" limit)))
3b8fe752
GM
715 ;; This is to remove --forward, if it has been added by an alias.
716 ;; There is no sensible way to combine --limit and --forward,
717 ;; and it breaks the meaning of START-REVISION as the
718 ;; _newest_ revision. See bug#14168.
719 ;; FIXME There may be other alias stuff we want to keep.
720 ;; Is there a way to just suppress --forward?
721 ;; As of 2013/4 the only caller uses limit = 1, so it does
722 ;; not matter much.
723 (and start-revision limit (> limit 1) '("--no-aliases"))
3f6bd790
DN
724 (if (stringp vc-bzr-log-switches)
725 (list vc-bzr-log-switches)
726 vc-bzr-log-switches)))))
b6e0e86c 727
d4eb88c7
CY
728(defun vc-bzr-expanded-log-entry (revision)
729 (with-temp-buffer
730 (apply 'vc-bzr-command "log" t nil nil
731 (list (format "-r%s" revision)))
732 (goto-char (point-min))
733 (when (looking-at "^-+\n")
734 ;; Indent the expanded log entry.
735 (indent-region (match-end 0) (point-max) 2)
736 (buffer-substring (match-end 0) (point-max)))))
737
31527c56
DN
738(defun vc-bzr-log-incoming (buffer remote-location)
739 (apply 'vc-bzr-command "missing" buffer 'async nil
740 (list "--theirs-only" (unless (string= remote-location "") remote-location))))
741
742(defun vc-bzr-log-outgoing (buffer remote-location)
743 (apply 'vc-bzr-command "missing" buffer 'async nil
744 (list "--mine-only" (unless (string= remote-location "") remote-location))))
745
5b5afd50
ER
746(defun vc-bzr-show-log-entry (revision)
747 "Find entry for patch name REVISION in bzr change log buffer."
b6e0e86c 748 (goto-char (point-min))
89d98000 749 (when revision
662c5698
DN
750 (let (case-fold-search
751 found)
89d98000
DN
752 (if (re-search-forward
753 ;; "revno:" can appear either at the beginning of a line,
754 ;; or indented.
755 (concat "^[ ]*-+\n[ ]*revno: "
756 ;; The revision can contain ".", quote it so that it
757 ;; does not interfere with regexp matching.
758 (regexp-quote revision) "$") nil t)
662c5698
DN
759 (progn
760 (beginning-of-line 0)
761 (setq found t))
762 (goto-char (point-min)))
763 found)))
b6e0e86c 764
8cdd17b4 765(defun vc-bzr-diff (files &optional rev1 rev2 buffer)
b6e0e86c 766 "VC bzr backend for diff."
27bbeb29
DD
767 (let* ((switches (vc-switches 'bzr 'diff))
768 (args
769 (append
770 ;; Only add --diff-options if there are any diff switches.
771 (unless (zerop (length switches))
772 (list "--diff-options" (mapconcat 'identity switches " ")))
773 ;; This `when' is just an optimization because bzr-1.2 is *much*
774 ;; faster when the revision argument is not given.
775 (when (or rev1 rev2)
776 (list "-r" (format "%s..%s"
777 (or rev1 "revno:-1")
778 (or rev2 "")))))))
779 ;; `bzr diff' exits with code 1 if diff is non-empty.
780 (apply #'vc-bzr-command "diff" (or buffer "*vc-diff*")
781 (if vc-disable-async-diff 1 'async) files
782 args)))
b6e0e86c 783
b6e0e86c 784
5b5afd50
ER
785;; FIXME: vc-{next,previous}-revision need fixing in vc.el to deal with
786;; straight integer revisions.
b6e0e86c
SM
787
788(defun vc-bzr-delete-file (file)
789 "Delete FILE and delete it in the bzr repository."
790 (condition-case ()
791 (delete-file file)
792 (file-error nil))
793 (vc-bzr-command "remove" nil 0 file))
794
795(defun vc-bzr-rename-file (old new)
796 "Rename file from OLD to NEW using `bzr mv'."
bc86f573
CY
797 (setq old (expand-file-name old))
798 (setq new (expand-file-name new))
799 (vc-bzr-command "mv" nil 0 new old)
800 (message "Renamed %s => %s" old new))
b6e0e86c
SM
801
802(defvar vc-bzr-annotation-table nil
803 "Internal use.")
804(make-variable-buffer-local 'vc-bzr-annotation-table)
805
5b5afd50 806(defun vc-bzr-annotate-command (file buffer &optional revision)
b6e0e86c
SM
807 "Prepare BUFFER for `vc-annotate' on FILE.
808Each line is tagged with the revision number, which has a `help-echo'
809property containing author and date information."
62ccc42c 810 (apply #'vc-bzr-command "annotate" buffer 'async file "--long" "--all"
a6762235 811 (if revision (list "-r" revision)))
0d42eb3e 812 (let ((table (make-hash-table :test 'equal)))
62ccc42c
SM
813 (set-process-filter
814 (get-buffer-process buffer)
815 (lambda (proc string)
816 (when (process-buffer proc)
817 (with-current-buffer (process-buffer proc)
818 (setq string (concat (process-get proc :vc-left-over) string))
b0a8e46b
GM
819 ;; Eg: 102020 Gnus developers 20101020 | regexp."
820 ;; As of bzr 2.2.2, no email address in whoami (which can
821 ;; lead to spaces in the author field) is allowed but discouraged.
822 ;; See bug#7792.
823 (while (string-match "^\\( *[0-9.]+ *\\) \\(.+?\\) +\\([0-9]\\{8\\}\\)\\( |.*\n\\)" string)
62ccc42c
SM
824 (let* ((rev (match-string 1 string))
825 (author (match-string 2 string))
826 (date (match-string 3 string))
827 (key (substring string (match-beginning 0)
828 (match-beginning 4)))
829 (line (match-string 4 string))
830 (tag (gethash key table))
831 (inhibit-read-only t))
832 (setq string (substring string (match-end 0)))
2c6bb71a
CY
833 (unless tag
834 (setq tag
835 (propertize
f82b1493 836 (format "%s %-7.7s" rev author)
2c6bb71a
CY
837 'help-echo (format "Revision: %d, author: %s, date: %s"
838 (string-to-number rev)
839 author date)
840 'mouse-face 'highlight))
62ccc42c
SM
841 (puthash key tag table))
842 (goto-char (process-mark proc))
843 (insert tag line)
844 (move-marker (process-mark proc) (point))))
845 (process-put proc :vc-left-over string)))))))
b6e0e86c 846
f8bd9ac6
DN
847(declare-function vc-annotate-convert-time "vc-annotate" (time))
848
b6e0e86c 849(defun vc-bzr-annotate-time ()
362b9d48 850 (when (re-search-forward "^ *[0-9.]+ +.+? +|" nil t)
a6762235
DN
851 (let ((prop (get-text-property (line-beginning-position) 'help-echo)))
852 (string-match "[0-9]+\\'" prop)
f8381803 853 (let ((str (match-string-no-properties 0 prop)))
b6e0e86c
SM
854 (vc-annotate-convert-time
855 (encode-time 0 0 0
f8381803
SM
856 (string-to-number (substring str 6 8))
857 (string-to-number (substring str 4 6))
858 (string-to-number (substring str 0 4))))))))
b6e0e86c
SM
859
860(defun vc-bzr-annotate-extract-revision-at-line ()
2b404597 861 "Return revision for current line of annotation buffer, or nil.
b6e0e86c
SM
862Return nil if current line isn't annotated."
863 (save-excursion
864 (beginning-of-line)
b0a8e46b 865 (if (looking-at "^ *\\([0-9.]+\\) +.* +|")
a6762235 866 (match-string-no-properties 1))))
b6e0e86c 867
a460c94c
SM
868(defun vc-bzr-command-discarding-stderr (command &rest args)
869 "Execute shell command COMMAND (with ARGS); return its output and exitcode.
b6e6e09a
SM
870Return value is a cons (EXITCODE . OUTPUT), where EXITCODE is
871the (numerical) exit code of the process, and OUTPUT is a string
872containing whatever the process sent to its standard output
873stream. Standard error output is discarded."
874 (with-temp-buffer
a460c94c 875 (cons
07c4b87c 876 (apply #'process-file command nil (list (current-buffer) nil) nil args)
b6e6e09a 877 (buffer-substring (point-min) (point-max)))))
b6e0e86c 878
a464a6c7 879(cl-defstruct (vc-bzr-extra-fileinfo
a0c38937
DN
880 (:copier nil)
881 (:constructor vc-bzr-create-extra-fileinfo (extra-name))
882 (:conc-name vc-bzr-extra-fileinfo->))
883 extra-name) ;; original name for rename targets, new name for
884
da4d4066 885(defun vc-bzr-dir-printer (info)
a0c38937
DN
886 "Pretty-printer for the vc-dir-fileinfo structure."
887 (let ((extra (vc-dir-fileinfo->extra info)))
da4d4066 888 (vc-default-dir-printer 'Bzr info)
a0c38937
DN
889 (when extra
890 (insert (propertize
891 (format " (renamed from %s)"
892 (vc-bzr-extra-fileinfo->extra-name extra))
893 'face 'font-lock-comment-face)))))
894
701d018c 895;; FIXME: this needs testing, it's probably incomplete.
460f6e7c 896(defun vc-bzr-after-dir-status (update-function relative-dir)
7ee8e7eb 897 (let ((status-str nil)
701d018c
DN
898 (translation '(("+N " . added)
899 ("-D " . removed)
900 (" M " . edited) ;; file text modified
901 (" *" . edited) ;; execute bit changed
902 (" M*" . edited) ;; text modified + execute bit changed
13754b54 903 ("I " . ignored)
701d018c 904 (" D " . missing)
f8381803 905 ;; For conflicts, should we list the .THIS/.BASE/.OTHER?
701d018c
DN
906 ("C " . conflict)
907 ("? " . unregistered)
a0c38937
DN
908 ;; No such state, but we need to distinguish this case.
909 ("R " . renamed)
b9236874 910 ("RM " . renamed)
11b4001c
DN
911 ;; For a non existent file FOO, the output is:
912 ;; bzr: ERROR: Path(s) do not exist: FOO
913 ("bzr" . not-found)
be14a425
DN
914 ;; If the tree is not up to date, bzr will print this warning:
915 ;; working tree is out of date, run 'bzr update'
916 ;; ignore it.
917 ;; FIXME: maybe this warning can be put in the vc-dir header...
918 ("wor" . not-found)
f8381803 919 ;; Ignore "P " and "P." for pending patches.
7534fa5e
DN
920 ("P " . not-found)
921 ("P. " . not-found)
f8381803 922 ))
7ee8e7eb
DN
923 (translated nil)
924 (result nil))
925 (goto-char (point-min))
926 (while (not (eobp))
85a55d38 927 ;; Bzr 2.3.0 added this if there are shelves. (Bug#8170)
ebe06da9 928 (unless (looking-at "[0-9]+ shel\\(f\\|ves\\) exists?\\.")
85a55d38
GM
929 (setq status-str
930 (buffer-substring-no-properties (point) (+ (point) 3)))
931 (setq translated (cdr (assoc status-str translation)))
932 (cond
933 ((eq translated 'conflict)
934 ;; For conflicts the file appears twice in the listing: once
935 ;; with the M flag and once with the C flag, so take care
936 ;; not to add it twice to `result'. Ugly.
937 (let* ((file
938 (buffer-substring-no-properties
939 ;;For files with conflicts the format is:
940 ;;C Text conflict in FILENAME
941 ;; Bah.
942 (+ (point) 21) (line-end-position)))
943 (entry (assoc file result)))
944 (when entry
945 (setf (nth 1 entry) 'conflict))))
946 ((eq translated 'renamed)
947 (re-search-forward "R[ M] \\(.*\\) => \\(.*\\)$" (line-end-position) t)
948 (let ((new-name (file-relative-name (match-string 2) relative-dir))
949 (old-name (file-relative-name (match-string 1) relative-dir)))
950 (push (list new-name 'edited
951 (vc-bzr-create-extra-fileinfo old-name)) result)))
952 ;; do nothing for non existent files
13754b54 953 ((memq translated '(not-found ignored)))
85a55d38
GM
954 (t
955 (push (list (file-relative-name
956 (buffer-substring-no-properties
957 (+ (point) 4)
958 (line-end-position)) relative-dir)
959 translated) result))))
960 (forward-line))
c1b51374 961 (funcall update-function result)))
7ee8e7eb 962
c1b51374 963(defun vc-bzr-dir-status (dir update-function)
7ee8e7eb 964 "Return a list of conses (file . state) for DIR."
115c0061
DN
965 (vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S")
966 (vc-exec-after
460f6e7c
DN
967 `(vc-bzr-after-dir-status (quote ,update-function)
968 ;; "bzr status" results are relative to
969 ;; the bzr root directory, NOT to the
970 ;; directory "bzr status" was invoked in.
971 ;; Ugh.
972 ;; We pass the relative directory here so
973 ;; that `vc-bzr-after-dir-status' can
974 ;; frob the results accordingly.
975 (file-relative-name ,dir (vc-bzr-root ,dir)))))
7ee8e7eb 976
0d42eb3e 977(defun vc-bzr-dir-status-files (dir files _default-state update-function)
11b4001c
DN
978 "Return a list of conses (file . state) for DIR."
979 (apply 'vc-bzr-command "status" (current-buffer) 'async dir "-v" "-S" files)
980 (vc-exec-after
460f6e7c
DN
981 `(vc-bzr-after-dir-status (quote ,update-function)
982 (file-relative-name ,dir (vc-bzr-root ,dir)))))
da4d4066 983
4dfb3b9c
DN
984(defvar vc-bzr-shelve-map
985 (let ((map (make-sparse-keymap)))
986 ;; Turn off vc-dir marking
987 (define-key map [mouse-2] 'ignore)
988
989 (define-key map [down-mouse-3] 'vc-bzr-shelve-menu)
990 (define-key map "\C-k" 'vc-bzr-shelve-delete-at-point)
855a2294
DN
991 (define-key map "=" 'vc-bzr-shelve-show-at-point)
992 (define-key map "\C-m" 'vc-bzr-shelve-show-at-point)
993 (define-key map "A" 'vc-bzr-shelve-apply-and-keep-at-point)
8e7e2286 994 (define-key map "P" 'vc-bzr-shelve-apply-at-point)
855a2294 995 (define-key map "S" 'vc-bzr-shelve-snapshot)
4dfb3b9c
DN
996 map))
997
998(defvar vc-bzr-shelve-menu-map
999 (let ((map (make-sparse-keymap "Bzr Shelve")))
1000 (define-key map [de]
7cc6e154 1001 '(menu-item "Delete Shelf" vc-bzr-shelve-delete-at-point
4dfb3b9c 1002 :help "Delete the current shelf"))
855a2294 1003 (define-key map [ap]
7cc6e154 1004 '(menu-item "Apply and Keep Shelf" vc-bzr-shelve-apply-and-keep-at-point
855a2294 1005 :help "Apply the current shelf and keep it"))
8e7e2286 1006 (define-key map [po]
7cc6e154 1007 '(menu-item "Apply and Remove Shelf (Pop)" vc-bzr-shelve-apply-at-point
8e7e2286 1008 :help "Apply the current shelf and remove it"))
855a2294 1009 (define-key map [sh]
7cc6e154 1010 '(menu-item "Show Shelve" vc-bzr-shelve-show-at-point
855a2294 1011 :help "Show the contents of the current shelve"))
4dfb3b9c
DN
1012 map))
1013
1014(defvar vc-bzr-extra-menu-map
1015 (let ((map (make-sparse-keymap)))
855a2294 1016 (define-key map [bzr-sn]
7cc6e154 1017 '(menu-item "Shelve a Snapshot" vc-bzr-shelve-snapshot
855a2294 1018 :help "Shelve the current state of the tree and keep the current state"))
4dfb3b9c
DN
1019 (define-key map [bzr-sh]
1020 '(menu-item "Shelve..." vc-bzr-shelve
1021 :help "Shelve changes"))
1022 map))
1023
1024(defun vc-bzr-extra-menu () vc-bzr-extra-menu-map)
1025
1026(defun vc-bzr-extra-status-menu () vc-bzr-extra-menu-map)
1027
da4d4066 1028(defun vc-bzr-dir-extra-headers (dir)
be14a425
DN
1029 (let*
1030 ((str (with-temp-buffer
1031 (vc-bzr-command "info" t 0 dir)
1032 (buffer-string)))
4dfb3b9c
DN
1033 (shelve (vc-bzr-shelve-list))
1034 (shelve-help-echo "Use M-x vc-bzr-shelve to create shelves")
7a444e2a
DN
1035 (root-dir (vc-bzr-root dir))
1036 (pending-merge
4775ecad
DN
1037 ;; FIXME: looking for .bzr/checkout/merge-hashes is not a
1038 ;; reliable method to detect pending merges, disable this
1039 ;; until a proper solution is implemented.
1040 (and nil
1041 (file-exists-p
1042 (expand-file-name ".bzr/checkout/merge-hashes" root-dir))))
7a444e2a
DN
1043 (pending-merge-help-echo
1044 (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
1045 (light-checkout
1046 (when (string-match ".+light checkout root: \\(.+\\)$" str)
1047 (match-string 1 str)))
1048 (light-checkout-branch
1049 (when light-checkout
1050 (when (string-match ".+checkout of branch: \\(.+\\)$" str)
1051 (match-string 1 str)))))
da4d4066 1052 (concat
be14a425
DN
1053 (propertize "Parent branch : " 'face 'font-lock-type-face)
1054 (propertize
da4d4066 1055 (if (string-match "parent branch: \\(.+\\)$" str)
be14a425
DN
1056 (match-string 1 str)
1057 "None")
1058 'face 'font-lock-variable-name-face)
1059 "\n"
1060 (when light-checkout
1061 (concat
1062 (propertize "Light checkout root: " 'face 'font-lock-type-face)
1063 (propertize light-checkout 'face 'font-lock-variable-name-face)
1064 "\n"))
1065 (when light-checkout-branch
1066 (concat
1067 (propertize "Checkout of branch : " 'face 'font-lock-type-face)
1068 (propertize light-checkout-branch 'face 'font-lock-variable-name-face)
a3abb176 1069 "\n"))
7a444e2a
DN
1070 (when pending-merge
1071 (concat
1072 (propertize "Warning : " 'face 'font-lock-warning-face
1073 'help-echo pending-merge-help-echo)
1074 (propertize "Pending merges, commit recommended before any other action"
1075 'help-echo pending-merge-help-echo
1076 'face 'font-lock-warning-face)
1077 "\n"))
1078 (if shelve
1079 (concat
1080 (propertize "Shelves :\n" 'face 'font-lock-type-face
1081 'help-echo shelve-help-echo)
1082 (mapconcat
1083 (lambda (x)
1084 (propertize x
1085 'face 'font-lock-variable-name-face
1086 'mouse-face 'highlight
1087 '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"
1088 'keymap vc-bzr-shelve-map))
1089 shelve "\n"))
1090 (concat
1091 (propertize "Shelves : " 'face 'font-lock-type-face
1092 'help-echo shelve-help-echo)
1093 (propertize "No shelved changes"
1094 'help-echo shelve-help-echo
1095 'face 'font-lock-variable-name-face))))))
4dfb3b9c
DN
1096
1097(defun vc-bzr-shelve (name)
1098 "Create a shelve."
1099 (interactive "sShelf name: ")
1100 (let ((root (vc-bzr-root default-directory)))
1101 (when root
1102 (vc-bzr-command "shelve" nil 0 nil "--all" "-m" name)
1103 (vc-resynch-buffer root t t))))
1104
855a2294
DN
1105(defun vc-bzr-shelve-show (name)
1106 "Show the contents of shelve NAME."
1107 (interactive "sShelve name: ")
c80fa13c 1108 (vc-setup-buffer "*vc-diff*")
855a2294 1109 ;; FIXME: how can you show the contents of a shelf?
c80fa13c
SM
1110 (vc-bzr-command "unshelve" "*vc-diff*" 'async nil "--preview" name)
1111 (set-buffer "*vc-diff*")
855a2294
DN
1112 (diff-mode)
1113 (setq buffer-read-only t)
1114 (pop-to-buffer (current-buffer)))
4dfb3b9c
DN
1115
1116(defun vc-bzr-shelve-apply (name)
8e7e2286
DN
1117 "Apply shelve NAME and remove it afterwards."
1118 (interactive "sApply (and remove) shelf: ")
c80fa13c 1119 (vc-bzr-command "unshelve" nil 0 nil "--apply" name)
4dfb3b9c
DN
1120 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1121
855a2294
DN
1122(defun vc-bzr-shelve-apply-and-keep (name)
1123 "Apply shelve NAME and keep it afterwards."
1124 (interactive "sApply (and keep) shelf: ")
c80fa13c 1125 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep" name)
855a2294
DN
1126 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1127
1128(defun vc-bzr-shelve-snapshot ()
1129 "Create a stash with the current tree state."
1130 (interactive)
1131 (vc-bzr-command "shelve" nil 0 nil "--all" "-m"
1132 (let ((ct (current-time)))
1133 (concat
1134 (format-time-string "Snapshot on %Y-%m-%d" ct)
1135 (format-time-string " at %H:%M" ct))))
c80fa13c 1136 (vc-bzr-command "unshelve" nil 0 nil "--apply" "--keep")
855a2294
DN
1137 (vc-resynch-buffer (vc-bzr-root default-directory) t t))
1138
4dfb3b9c
DN
1139(defun vc-bzr-shelve-list ()
1140 (with-temp-buffer
1141 (vc-bzr-command "shelve" (current-buffer) 1 nil "--list" "-q")
1142 (delete
1143 ""
1144 (split-string
1145 (buffer-substring (point-min) (point-max))
1146 "\n"))))
1147
1148(defun vc-bzr-shelve-get-at-point (point)
1149 (save-excursion
1150 (goto-char point)
1151 (beginning-of-line)
1152 (if (looking-at "^ +\\([0-9]+\\):")
1153 (match-string 1)
1154 (error "Cannot find shelf at point"))))
1155
1156(defun vc-bzr-shelve-delete-at-point ()
1157 (interactive)
1158 (let ((shelve (vc-bzr-shelve-get-at-point (point))))
2b404597 1159 (when (y-or-n-p (format "Remove shelf %s ? " shelve))
4dfb3b9c
DN
1160 (vc-bzr-command "unshelve" nil 0 nil "--delete-only" shelve)
1161 (vc-dir-refresh))))
1162
855a2294
DN
1163(defun vc-bzr-shelve-show-at-point ()
1164 (interactive)
1165 (vc-bzr-shelve-show (vc-bzr-shelve-get-at-point (point))))
4dfb3b9c
DN
1166
1167(defun vc-bzr-shelve-apply-at-point ()
1168 (interactive)
1169 (vc-bzr-shelve-apply (vc-bzr-shelve-get-at-point (point))))
1170
855a2294
DN
1171(defun vc-bzr-shelve-apply-and-keep-at-point ()
1172 (interactive)
1173 (vc-bzr-shelve-apply-and-keep (vc-bzr-shelve-get-at-point (point))))
1174
4dfb3b9c
DN
1175(defun vc-bzr-shelve-menu (e)
1176 (interactive "e")
1177 (vc-dir-at-event e (popup-menu vc-bzr-shelve-menu-map e)))
da4d4066 1178
d9de6d6f
MH
1179(defun vc-bzr-revision-table (files)
1180 (let ((vc-bzr-revisions '())
1181 (default-directory (file-name-directory (car files))))
1182 (with-temp-buffer
1183 (vc-bzr-command "log" t 0 files "--line")
1184 (let ((start (point-min))
1185 (loglines (buffer-substring-no-properties (point-min) (point-max))))
1186 (while (string-match "^\\([0-9]+\\):" loglines)
1187 (push (match-string 1 loglines) vc-bzr-revisions)
1188 (setq start (+ start (match-end 0)))
1189 (setq loglines (buffer-substring-no-properties start (point-max))))))
1190 vc-bzr-revisions))
1191
e97a42c1
SM
1192(defun vc-bzr-conflicted-files (dir)
1193 (let ((default-directory (vc-bzr-root dir))
1194 (files ()))
1195 (with-temp-buffer
1196 (vc-bzr-command "status" t 0 default-directory)
1197 (goto-char (point-min))
1198 (when (re-search-forward "^conflicts:\n" nil t)
1199 (while (looking-at " \\(?:Text conflict in \\(.*\\)\\|.*\\)\n")
1200 (if (match-end 1)
1201 (push (expand-file-name (match-string 1)) files))
1202 (goto-char (match-end 0)))))
1203 files))
1204
39f44442
SM
1205;;; Revision completion
1206
00f71f39
SM
1207(eval-and-compile
1208 (defconst vc-bzr-revision-keywords
eb604e34
SM
1209 ;; bzr help revisionspec | sed -ne 's/^\([a-z]*\):$/"\1"/p' | sort -u
1210 '("ancestor" "annotate" "before" "branch" "date" "last" "mainline" "revid"
0757af94 1211 "revno" "submit" "tag")))
00f71f39 1212
39f44442 1213(defun vc-bzr-revision-completion-table (files)
0d42eb3e
SM
1214 ;; What about using `files'?!? --Stef
1215 (lambda (string pred action)
1216 (cond
1217 ((string-match "\\`\\(ancestor\\|branch\\|\\(revno:\\)?[-0-9]+:\\):"
1218 string)
1219 (completion-table-with-context (substring string 0 (match-end 0))
1220 (apply-partially
1221 'completion-table-with-predicate
1222 'completion-file-name-table
1223 'file-directory-p t)
1224 (substring string (match-end 0))
1225 pred
1226 action))
1227 ((string-match "\\`\\(before\\):" string)
1228 (completion-table-with-context (substring string 0 (match-end 0))
1229 (vc-bzr-revision-completion-table files)
1230 (substring string (match-end 0))
1231 pred
1232 action))
1233 ((string-match "\\`\\(tag\\):" string)
1234 (let ((prefix (substring string 0 (match-end 0)))
1235 (tag (substring string (match-end 0)))
1236 (table nil)
1237 process-file-side-effects)
1238 (with-temp-buffer
1239 ;; "bzr-1.2 tags" is much faster with --show-ids.
1240 (process-file vc-bzr-program nil '(t) nil "tags" "--show-ids")
1241 ;; The output is ambiguous, unless we assume that revids do not
1242 ;; contain spaces.
1243 (goto-char (point-min))
1244 (while (re-search-forward "^\\(.*[^ \n]\\) +[^ \n]*$" nil t)
1245 (push (match-string-no-properties 1) table)))
1246 (completion-table-with-context prefix table tag pred action)))
1247
1248 ((string-match "\\`annotate:" string)
1249 (completion-table-with-context
1250 (substring string 0 (match-end 0))
1251 (apply-partially #'completion-table-with-terminator '(":" . "\\`a\\`")
1252 #'completion-file-name-table)
1253 (substring string (match-end 0)) pred action))
1254
1255 ((string-match "\\`date:" string)
1256 (completion-table-with-context
1257 (substring string 0 (match-end 0))
1258 '("yesterday" "today" "tomorrow")
1259 (substring string (match-end 0)) pred action))
1260
1261 ((string-match "\\`\\([a-z]+\\):" string)
1262 ;; no actual completion for the remaining keywords.
1263 (completion-table-with-context (substring string 0 (match-end 0))
1264 (if (member (match-string 1 string)
1265 vc-bzr-revision-keywords)
1266 ;; If it's a valid keyword,
1267 ;; use a non-empty table to
1268 ;; indicate it.
1269 '("") nil)
1270 (substring string (match-end 0))
1271 pred
1272 action))
1273 (t
1274 ;; Could use completion-table-with-terminator, except that it
1275 ;; currently doesn't work right w.r.t pcm and doesn't give
1276 ;; the *Completions* output we want.
1277 (complete-with-action action (eval-when-compile
1278 (mapcar (lambda (s) (concat s ":"))
1279 vc-bzr-revision-keywords))
1280 string pred)))))
39f44442 1281
b6e0e86c 1282(provide 'vc-bzr)
2b404597 1283
b6e0e86c 1284;;; vc-bzr.el ends here