1 ;;; vc-mtn.el --- VC backend for Monotone
3 ;; Copyright (C) 2007 Free Software Foundation, Inc.
5 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
8 ;; This file is free software; you can redistribute it and/or modify
9 ;; it under the terms of the GNU General Public License as published by
10 ;; the Free Software Foundation; either version 3, or (at your option)
13 ;; This file is distributed in the hope that it will be useful,
14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;; GNU General Public License for more details.
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to
20 ;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 ;; Boston, MA 02110-1301, USA.
29 (eval-when-compile (require 'cl
) (require 'vc
))
31 ;; Clear up the cache to force vc-call to check again and discover
32 ;; new functions when we reload this file.
33 (put 'Mtn
'vc-functions nil
)
35 (defvar vc-mtn-command
"mtn")
36 (unless (executable-find vc-mtn-command
)
37 ;; vc-mtn.el is 100% non-functional without the `mtn' executable.
38 (setq vc-handled-backends
(delq 'Mtn vc-handled-backends
)))
41 (defconst vc-mtn-admin-dir
"_MTN")
43 (defconst vc-mtn-admin-format
(concat vc-mtn-admin-dir
"/format"))
45 ;;;###autoload (defun vc-mtn-registered (file)
46 ;;;###autoload (if (vc-find-root file vc-mtn-admin-format)
48 ;;;###autoload (load "vc-mtn")
49 ;;;###autoload (vc-mtn-registered file))))
51 (defun vc-mtn-revision-granularity () 'repository
)
52 (defun vc-mtn-checkout-model (file) 'implicit
)
54 (defun vc-mtn-root (file)
55 (setq file
(if (file-directory-p file
)
56 (file-name-as-directory file
)
57 (file-name-directory file
)))
58 (or (vc-file-getprop file
'vc-mtn-root
)
59 (vc-file-setprop file
'vc-mtn-root
60 (vc-find-root file vc-mtn-admin-format
))))
63 (defun vc-mtn-registered (file)
64 (let ((root (vc-mtn-root file
)))
66 (vc-mtn-state file
))))
68 (defun vc-mtn-command (buffer okstatus files
&rest flags
)
69 "A wrapper around `vc-do-command' for use in vc-mtn.el."
70 (apply 'vc-do-command buffer okstatus vc-mtn-command files flags
))
72 (defun vc-mtn-state (file)
73 ;; If `mtn' fails or returns status>0, or if the search files, just
77 (vc-mtn-command t
0 file
"status")
78 (goto-char (point-min))
79 (re-search-forward "^ \\(?:patched \\(.*\\)\\|no changes$\\)")
84 (defun vc-mtn-working-revision (file)
85 ;; If `mtn' fails or returns status>0, or if the search fails, just
89 (vc-mtn-command t
0 file
"status")
90 (goto-char (point-min))
91 (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)")
94 (defun vc-mtn-workfile-branch (file)
95 ;; If `mtn' fails or returns status>0, or if the search files, just
99 (vc-mtn-command t
0 file
"status")
100 (goto-char (point-min))
101 (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)")
104 (defun vc-mtn-workfile-unchanged-p (file)
105 (not (eq (vc-mtn-state file
) 'edited
)))
107 ;; Mode-line rewrite code copied from vc-arch.el.
109 (defcustom vc-mtn-mode-line-rewrite
110 '(("\\`[^:/#]*[:/#]" .
"")) ;Drop the host part.
111 "Rewrite rules to shorten Mtn's revision names on the mode-line."
112 :type
'(repeat (cons regexp string
))
115 (defun vc-mtn-mode-line-string (file)
116 "Return string for placement in modeline by `vc-mode-line' for FILE."
117 (let ((branch (vc-mtn-workfile-branch file
)))
118 (dolist (rule vc-mtn-mode-line-rewrite
)
119 (if (string-match (car rule
) branch
)
120 (setq branch
(replace-match (cdr rule
) t nil branch
))))
122 (case (vc-state file
)
123 ((up-to-date needs-patch
) ?-
)
128 (defun vc-mtn-register (files &optional rest
)
129 (vc-mtn-command nil
0 files
"add"))
131 (defun vc-mtn-responsible-p (file) (vc-mtn-root file
))
132 (defun vc-mtn-could-register (file) (vc-mtn-root file
))
134 (defun vc-mtn-checkin (files rev comment
)
135 (vc-mtn-command nil
0 files
"commit" "-m" comment
))
137 (defun vc-mtn-find-revision (file rev buffer
)
138 (vc-mtn-command buffer
0 file
"cat" "-r" rev
))
140 ;; (defun vc-mtn-checkout (file &optional editable rev)
143 (defun vc-mtn-revert (file &optional contents-done
)
144 (unless contents-done
145 (vc-mtn-command nil
0 file
"revert")))
147 ;; (defun vc-mtn-roolback (files)
150 (defun vc-mtn-print-log (files &optional buffer
)
151 (vc-mtn-command buffer
0 files
"log"))
153 (define-derived-mode vc-mtn-log-view-mode log-view-mode
"Mtn-Log-View"
154 ;; TODO: Not sure what to do about file markers for now.
155 (set (make-local-variable 'log-view-file-re
) "\\'\\`")
156 ;; TODO: Use a more precise regexp than "[ |/]+" to avoid false positives
157 ;; in the ChangeLog text.
158 (set (make-local-variable 'log-view-message-re
)
159 "^[ |/]+Revision: \\([0-9a-f]+\\)")
160 (require 'add-log
) ;For change-log faces.
161 (set (make-local-variable 'log-view-font-lock-keywords
)
162 (append log-view-font-lock-keywords
163 '(("^[ |]+Author: \\(.*\\)" (1 'change-log-email
))
164 ("^[ |]+Date: \\(.*\\)" (1 'change-log-date-face
))))))
166 ;; (defun vc-mtn-show-log-entry (revision)
169 (defun vc-mtn-wash-log (file))
171 (defun vc-mtn-diff (files &optional rev1 rev2 buffer
)
172 (apply 'vc-mtn-command
(or buffer
"*vc-diff*") 1 files
"diff"
173 (append (if rev1
(list "-r" rev1
)) (if rev2
(list "-r" rev2
)))))
175 (defun vc-mtn-annotate-command (file buf
&optional rev
)
176 (apply 'vc-mtn-command buf
0 file
"annotate"
177 (if rev
(list "-r" rev
))))
179 (defconst vc-mtn-annotate-full-re
180 "^ *\\([0-9a-f]+\\)\\.* by [^ ]+ \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\): ")
181 (defconst vc-mtn-annotate-any-re
182 (concat "^\\(?: +: \\|" vc-mtn-annotate-full-re
"\\)"))
184 (defun vc-mtn-annotate-time ()
185 (when (looking-at vc-mtn-annotate-any-re
)
186 (goto-char (match-end 0))
187 (let ((year (match-string 2)))
189 ;; Look for the date on a previous line.
191 (get-text-property (1- (previous-single-property-change
192 (point) 'vc-mtn-time nil
(point-min)))
194 (let ((time (vc-annotate-convert-time
196 (string-to-number (match-string 4))
197 (string-to-number (match-string 3))
198 (string-to-number year
)
200 (let ((inhibit-read-only t
)
201 (inhibit-modification-hooks t
))
202 (put-text-property (match-beginning 0) (match-end 0)
206 (defun vc-mtn-annotate-extract-revision-at-line ()
208 (when (or (looking-at vc-mtn-annotate-full-re
)
209 (re-search-backward vc-mtn-annotate-full-re nil t
))
212 ;;; Revision completion.
214 (defun vc-mtn-list-tags ()
216 (vc-mtn-command t
0 nil
"list" "tags")
217 (goto-char (point-min))
219 (while (re-search-forward "^[^ ]+" nil t
)
220 (push (match-string 0) tags
))
223 (defun vc-mtn-list-branches ()
225 (vc-mtn-command t
0 nil
"list" "branches")
226 (goto-char (point-min))
228 (while (re-search-forward "^.+" nil t
)
229 (push (match-string 0) branches
))
232 (defun vc-mtn-list-revision-ids (prefix)
234 (vc-mtn-command t
0 nil
"complete" "revision" prefix
)
235 (goto-char (point-min))
237 (while (re-search-forward "^.+" nil t
)
238 (push (match-string 0) ids
))
241 (defun vc-mtn-revision-completion-table (files)
242 ;; TODO: Implement completion for for selectors
243 ;; TODO: Implement completion for composite selectors.
244 (lexical-let ((files files
))
245 ;; What about using `files'?!? --Stef
246 (lambda (string pred action
)
249 ((string-match "\\`t:" string
)
250 (complete-with-action action
251 (mapcar (lambda (tag) (concat "t:" tag
))
254 ;; "Branch" selectors.
255 ((string-match "\\`b:" string
)
256 (complete-with-action action
257 (mapcar (lambda (tag) (concat "b:" tag
))
258 (vc-mtn-list-branches))
260 ;; "Head" selectors. Not sure how they differ from "branch" selectors.
261 ((string-match "\\`h:" string
)
262 (complete-with-action action
263 (mapcar (lambda (tag) (concat "h:" tag
))
264 (vc-mtn-list-branches))
267 ((string-match "\\`i:" string
)
268 (complete-with-action action
269 (mapcar (lambda (tag) (concat "i:" tag
))
270 (vc-mtn-list-revision-ids
271 (substring string
(match-end 0))))
274 (complete-with-action action
275 '("t:" "b:" "h:" "i:"
276 ;; Completion not implemented for these.
277 "a:" "c:" "d:" "e:" "l:")
284 ;; arch-tag: 2b89ffbc-cbb8-405a-9080-2eafd4becb70
285 ;;; vc-mtn.el ends here