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b1dc6d44 SM |
1 | ;;; vc-mtn.el --- VC backend for Monotone |
2 | ||
409cc4a3 | 3 | ;; Copyright (C) 2007, 2008 Free Software Foundation, Inc. |
b1dc6d44 SM |
4 | |
5 | ;; Author: Stefan Monnier <monnier@iro.umontreal.ca> | |
6 | ;; Keywords: | |
7 | ||
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) | |
11 | ;; any later version. | |
12 | ||
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. | |
17 | ||
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. | |
22 | ||
23 | ;;; Commentary: | |
24 | ||
25 | ;; | |
26 | ||
27 | ;;; Code: | |
28 | ||
29 | (eval-when-compile (require 'cl) (require 'vc)) | |
30 | ||
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) | |
34 | ||
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))) | |
39 | ||
40 | ;;;###autoload | |
41 | (defconst vc-mtn-admin-dir "_MTN") | |
42 | ;;;###autoload | |
43 | (defconst vc-mtn-admin-format (concat vc-mtn-admin-dir "/format")) | |
44 | ||
45 | ;;;###autoload (defun vc-mtn-registered (file) | |
46 | ;;;###autoload (if (vc-find-root file vc-mtn-admin-format) | |
47 | ;;;###autoload (progn | |
48 | ;;;###autoload (load "vc-mtn") | |
49 | ;;;###autoload (vc-mtn-registered file)))) | |
50 | ||
51 | (defun vc-mtn-revision-granularity () 'repository) | |
52 | (defun vc-mtn-checkout-model (file) 'implicit) | |
53 | ||
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)))) | |
61 | ||
62 | ||
63 | (defun vc-mtn-registered (file) | |
64 | (let ((root (vc-mtn-root file))) | |
65 | (when root | |
66 | (vc-mtn-state file)))) | |
67 | ||
68 | (defun vc-mtn-command (buffer okstatus files &rest flags) | |
69 | "A wrapper around `vc-do-command' for use in vc-mtn.el." | |
ce4025c7 SM |
70 | (let ((process-environment |
71 | ;; Avoid localization of messages so we can parse the output. | |
72 | (cons "LC_MESSAGES=C" process-environment))) | |
73 | (apply 'vc-do-command buffer okstatus vc-mtn-command files flags))) | |
b1dc6d44 SM |
74 | |
75 | (defun vc-mtn-state (file) | |
76 | ;; If `mtn' fails or returns status>0, or if the search files, just | |
77 | ;; return nil. | |
78 | (ignore-errors | |
79 | (with-temp-buffer | |
80 | (vc-mtn-command t 0 file "status") | |
81 | (goto-char (point-min)) | |
3281a821 DN |
82 | (re-search-forward |
83 | "^ \\(?:\\(patched\\)\\|\\(added\\) \\(?:.*\\)\\)\\|no changes$") | |
84 | (cond ((match-end 1) 'edited) | |
85 | ((match-end 2) 'added) | |
86 | (t 'up-to-date))))) | |
b1dc6d44 | 87 | |
ac3f4c6f | 88 | (defun vc-mtn-working-revision (file) |
b1dc6d44 SM |
89 | ;; If `mtn' fails or returns status>0, or if the search fails, just |
90 | ;; return nil. | |
91 | (ignore-errors | |
92 | (with-temp-buffer | |
93 | (vc-mtn-command t 0 file "status") | |
94 | (goto-char (point-min)) | |
95 | (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)") | |
96 | (match-string 2)))) | |
97 | ||
98 | (defun vc-mtn-workfile-branch (file) | |
99 | ;; If `mtn' fails or returns status>0, or if the search files, just | |
100 | ;; return nil. | |
101 | (ignore-errors | |
102 | (with-temp-buffer | |
103 | (vc-mtn-command t 0 file "status") | |
104 | (goto-char (point-min)) | |
105 | (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)") | |
106 | (match-string 1)))) | |
107 | ||
108 | (defun vc-mtn-workfile-unchanged-p (file) | |
109 | (not (eq (vc-mtn-state file) 'edited))) | |
110 | ||
111 | ;; Mode-line rewrite code copied from vc-arch.el. | |
112 | ||
113 | (defcustom vc-mtn-mode-line-rewrite | |
114 | '(("\\`[^:/#]*[:/#]" . "")) ;Drop the host part. | |
115 | "Rewrite rules to shorten Mtn's revision names on the mode-line." | |
116 | :type '(repeat (cons regexp string)) | |
8e788369 | 117 | :version "22.2" |
b1dc6d44 SM |
118 | :group 'vc) |
119 | ||
120 | (defun vc-mtn-mode-line-string (file) | |
121 | "Return string for placement in modeline by `vc-mode-line' for FILE." | |
122 | (let ((branch (vc-mtn-workfile-branch file))) | |
123 | (dolist (rule vc-mtn-mode-line-rewrite) | |
124 | (if (string-match (car rule) branch) | |
125 | (setq branch (replace-match (cdr rule) t nil branch)))) | |
126 | (format "Mtn%c%s" | |
127 | (case (vc-state file) | |
3702367b | 128 | ((up-to-date needs-update) ?-) |
b1dc6d44 SM |
129 | (added ?@) |
130 | (t ?:)) | |
131 | branch))) | |
132 | ||
133 | (defun vc-mtn-register (files &optional rest) | |
134 | (vc-mtn-command nil 0 files "add")) | |
135 | ||
136 | (defun vc-mtn-responsible-p (file) (vc-mtn-root file)) | |
137 | (defun vc-mtn-could-register (file) (vc-mtn-root file)) | |
138 | ||
139 | (defun vc-mtn-checkin (files rev comment) | |
140 | (vc-mtn-command nil 0 files "commit" "-m" comment)) | |
141 | ||
ac3f4c6f | 142 | (defun vc-mtn-find-revision (file rev buffer) |
b1dc6d44 SM |
143 | (vc-mtn-command buffer 0 file "cat" "-r" rev)) |
144 | ||
145 | ;; (defun vc-mtn-checkout (file &optional editable rev) | |
146 | ;; ) | |
147 | ||
148 | (defun vc-mtn-revert (file &optional contents-done) | |
149 | (unless contents-done | |
150 | (vc-mtn-command nil 0 file "revert"))) | |
151 | ||
152 | ;; (defun vc-mtn-roolback (files) | |
153 | ;; ) | |
154 | ||
155 | (defun vc-mtn-print-log (files &optional buffer) | |
156 | (vc-mtn-command buffer 0 files "log")) | |
157 | ||
97546017 DN |
158 | (defvar log-view-message-re) |
159 | (defvar log-view-file-re) | |
160 | (defvar log-view-font-lock-keywords) | |
161 | ||
b1dc6d44 SM |
162 | (define-derived-mode vc-mtn-log-view-mode log-view-mode "Mtn-Log-View" |
163 | ;; TODO: Not sure what to do about file markers for now. | |
164 | (set (make-local-variable 'log-view-file-re) "\\'\\`") | |
165 | ;; TODO: Use a more precise regexp than "[ |/]+" to avoid false positives | |
166 | ;; in the ChangeLog text. | |
167 | (set (make-local-variable 'log-view-message-re) | |
168 | "^[ |/]+Revision: \\([0-9a-f]+\\)") | |
169 | (require 'add-log) ;For change-log faces. | |
170 | (set (make-local-variable 'log-view-font-lock-keywords) | |
171 | (append log-view-font-lock-keywords | |
172 | '(("^[ |]+Author: \\(.*\\)" (1 'change-log-email)) | |
173 | ("^[ |]+Date: \\(.*\\)" (1 'change-log-date-face)))))) | |
174 | ||
5b5afd50 | 175 | ;; (defun vc-mtn-show-log-entry (revision) |
b1dc6d44 SM |
176 | ;; ) |
177 | ||
178 | (defun vc-mtn-wash-log (file)) | |
179 | ||
b1dc6d44 SM |
180 | (defun vc-mtn-diff (files &optional rev1 rev2 buffer) |
181 | (apply 'vc-mtn-command (or buffer "*vc-diff*") 1 files "diff" | |
182 | (append (if rev1 (list "-r" rev1)) (if rev2 (list "-r" rev2))))) | |
183 | ||
184 | (defun vc-mtn-annotate-command (file buf &optional rev) | |
185 | (apply 'vc-mtn-command buf 0 file "annotate" | |
186 | (if rev (list "-r" rev)))) | |
187 | ||
188 | (defconst vc-mtn-annotate-full-re | |
189 | "^ *\\([0-9a-f]+\\)\\.* by [^ ]+ \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\): ") | |
190 | (defconst vc-mtn-annotate-any-re | |
191 | (concat "^\\(?: +: \\|" vc-mtn-annotate-full-re "\\)")) | |
192 | ||
193 | (defun vc-mtn-annotate-time () | |
194 | (when (looking-at vc-mtn-annotate-any-re) | |
195 | (goto-char (match-end 0)) | |
196 | (let ((year (match-string 2))) | |
197 | (if (not year) | |
198 | ;; Look for the date on a previous line. | |
199 | (save-excursion | |
200 | (get-text-property (1- (previous-single-property-change | |
201 | (point) 'vc-mtn-time nil (point-min))) | |
202 | 'vc-mtn-time)) | |
203 | (let ((time (vc-annotate-convert-time | |
204 | (encode-time 0 0 0 | |
205 | (string-to-number (match-string 4)) | |
206 | (string-to-number (match-string 3)) | |
207 | (string-to-number year) | |
208 | t)))) | |
209 | (let ((inhibit-read-only t) | |
210 | (inhibit-modification-hooks t)) | |
211 | (put-text-property (match-beginning 0) (match-end 0) | |
212 | 'vc-mtn-time time)) | |
213 | time))))) | |
214 | ||
215 | (defun vc-mtn-annotate-extract-revision-at-line () | |
216 | (save-excursion | |
217 | (when (or (looking-at vc-mtn-annotate-full-re) | |
218 | (re-search-backward vc-mtn-annotate-full-re nil t)) | |
219 | (match-string 1)))) | |
220 | ||
221 | ;;; Revision completion. | |
222 | ||
223 | (defun vc-mtn-list-tags () | |
224 | (with-temp-buffer | |
225 | (vc-mtn-command t 0 nil "list" "tags") | |
226 | (goto-char (point-min)) | |
227 | (let ((tags ())) | |
228 | (while (re-search-forward "^[^ ]+" nil t) | |
229 | (push (match-string 0) tags)) | |
230 | tags))) | |
231 | ||
232 | (defun vc-mtn-list-branches () | |
233 | (with-temp-buffer | |
234 | (vc-mtn-command t 0 nil "list" "branches") | |
235 | (goto-char (point-min)) | |
236 | (let ((branches ())) | |
237 | (while (re-search-forward "^.+" nil t) | |
238 | (push (match-string 0) branches)) | |
239 | branches))) | |
240 | ||
241 | (defun vc-mtn-list-revision-ids (prefix) | |
242 | (with-temp-buffer | |
243 | (vc-mtn-command t 0 nil "complete" "revision" prefix) | |
244 | (goto-char (point-min)) | |
245 | (let ((ids ())) | |
246 | (while (re-search-forward "^.+" nil t) | |
247 | (push (match-string 0) ids)) | |
248 | ids))) | |
249 | ||
844b90ae | 250 | (defun vc-mtn-revision-completion-table (files) |
b1dc6d44 SM |
251 | ;; TODO: Implement completion for for selectors |
252 | ;; TODO: Implement completion for composite selectors. | |
844b90ae SM |
253 | (lexical-let ((files files)) |
254 | ;; What about using `files'?!? --Stef | |
b1dc6d44 SM |
255 | (lambda (string pred action) |
256 | (cond | |
257 | ;; "Tag" selectors. | |
258 | ((string-match "\\`t:" string) | |
259 | (complete-with-action action | |
260 | (mapcar (lambda (tag) (concat "t:" tag)) | |
261 | (vc-mtn-list-tags)) | |
262 | string pred)) | |
263 | ;; "Branch" selectors. | |
264 | ((string-match "\\`b:" string) | |
265 | (complete-with-action action | |
266 | (mapcar (lambda (tag) (concat "b:" tag)) | |
267 | (vc-mtn-list-branches)) | |
268 | string pred)) | |
269 | ;; "Head" selectors. Not sure how they differ from "branch" selectors. | |
270 | ((string-match "\\`h:" string) | |
271 | (complete-with-action action | |
272 | (mapcar (lambda (tag) (concat "h:" tag)) | |
273 | (vc-mtn-list-branches)) | |
274 | string pred)) | |
275 | ;; "ID" selectors. | |
276 | ((string-match "\\`i:" string) | |
277 | (complete-with-action action | |
278 | (mapcar (lambda (tag) (concat "i:" tag)) | |
279 | (vc-mtn-list-revision-ids | |
280 | (substring string (match-end 0)))) | |
281 | string pred)) | |
282 | (t | |
283 | (complete-with-action action | |
284 | '("t:" "b:" "h:" "i:" | |
285 | ;; Completion not implemented for these. | |
286 | "a:" "c:" "d:" "e:" "l:") | |
287 | string pred)))))) | |
288 | ||
289 | ||
290 | ||
291 | (provide 'vc-mtn) | |
292 | ||
293 | ;; arch-tag: 2b89ffbc-cbb8-405a-9080-2eafd4becb70 | |
294 | ;;; vc-mtn.el ends here |