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ba83908c | 1 | ;;; log-edit.el --- Major mode for editing CVS commit messages -*- lexical-binding: t -*- |
5b467bf4 | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 1999-2011 Free Software Foundation, Inc. |
5b467bf4 | 4 | |
cc1eecfd | 5 | ;; Author: Stefan Monnier <monnier@iro.umontreal.ca> |
9766adfb | 6 | ;; Keywords: pcl-cvs cvs commit log vc |
5b467bf4 SM |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
eb3fa2cf | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
5b467bf4 | 11 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
5b467bf4 SM |
14 | |
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
5b467bf4 SM |
22 | |
23 | ;;; Commentary: | |
24 | ||
25 | ;; Todo: | |
26 | ||
5b467bf4 SM |
27 | ;; - Move in VC's code |
28 | ;; - Add compatibility for VC's hook variables | |
5b467bf4 SM |
29 | |
30 | ;;; Code: | |
31 | ||
32 | (eval-when-compile (require 'cl)) | |
33 | (require 'add-log) ; for all the ChangeLog goodies | |
34 | (require 'pcvs-util) | |
35 | (require 'ring) | |
5b467bf4 | 36 | |
f1180544 | 37 | ;;;; |
5b467bf4 | 38 | ;;;; Global Variables |
f1180544 | 39 | ;;;; |
5b467bf4 SM |
40 | |
41 | (defgroup log-edit nil | |
bc35d341 | 42 | "Major mode for editing RCS and CVS commit messages." |
5b467bf4 | 43 | :group 'pcl-cvs |
bc35d341 DL |
44 | :group 'vc ; It's used by VC. |
45 | :version "21.1" | |
5b467bf4 SM |
46 | :prefix "log-edit-") |
47 | ||
48 | ;; compiler pacifiers | |
49 | (defvar cvs-buffer) | |
50 | ||
12dd83de SM |
51 | \f |
52 | ;; The main keymap | |
53 | ||
5b467bf4 SM |
54 | (easy-mmode-defmap log-edit-mode-map |
55 | `(("\C-c\C-c" . log-edit-done) | |
56 | ("\C-c\C-a" . log-edit-insert-changelog) | |
93a142e1 | 57 | ("\C-c\C-d" . log-edit-show-diff) |
5b467bf4 | 58 | ("\C-c\C-f" . log-edit-show-files) |
9fe89a26 SM |
59 | ("\M-n" . log-edit-next-comment) |
60 | ("\M-p" . log-edit-previous-comment) | |
61 | ("\M-r" . log-edit-comment-search-backward) | |
62 | ("\M-s" . log-edit-comment-search-forward) | |
0916e956 | 63 | ("\C-c?" . log-edit-mode-help)) |
cdf54749 | 64 | "Keymap for the `log-edit-mode' (to edit version control log messages)." |
0916e956 SM |
65 | :group 'log-edit) |
66 | ||
67 | ;; Compatibility with old names. Should we bother ? | |
68 | (defvar vc-log-mode-map log-edit-mode-map) | |
69 | (defvar vc-log-entry-mode vc-log-mode-map) | |
5b467bf4 | 70 | |
d247e32d SM |
71 | (easy-menu-define log-edit-menu log-edit-mode-map |
72 | "Menu used for `log-edit-mode'." | |
73 | '("Log-Edit" | |
74 | ["Done" log-edit-done | |
75 | :help "Exit log-edit and proceed with the actual action."] | |
76 | "--" | |
799224fe DN |
77 | ["Insert ChangeLog" log-edit-insert-changelog |
78 | :help "Insert a log message by looking at the ChangeLog"] | |
79 | ["Add to ChangeLog" log-edit-add-to-changelog | |
80 | :help "Insert this log message into the appropriate ChangeLog file"] | |
d247e32d | 81 | "--" |
93a142e1 DN |
82 | ["Show diff" log-edit-show-diff |
83 | :help "Show the diff for the files to be committed."] | |
d247e32d SM |
84 | ["List files" log-edit-show-files |
85 | :help "Show the list of relevant files."] | |
86 | "--" | |
799224fe DN |
87 | ["Previous comment" log-edit-previous-comment |
88 | :help "Cycle backwards through comment history"] | |
89 | ["Next comment" log-edit-next-comment | |
90 | :help "Cycle forwards through comment history."] | |
91 | ["Search comment forward" log-edit-comment-search-forward | |
92 | :help "Search forwards through comment history for a substring match of str"] | |
93 | ["Search comment backward" log-edit-comment-search-backward | |
94 | :help "Search backwards through comment history for substring match of str"])) | |
d247e32d | 95 | |
f077c462 | 96 | (defcustom log-edit-confirm 'changed |
9201cc28 | 97 | "If non-nil, `log-edit-done' will request confirmation. |
5b467bf4 SM |
98 | If 'changed, only request confirmation if the list of files has |
99 | changed since the beginning of the log-edit session." | |
100 | :group 'log-edit | |
101 | :type '(choice (const changed) (const t) (const nil))) | |
102 | ||
103 | (defcustom log-edit-keep-buffer nil | |
9201cc28 | 104 | "If non-nil, don't hide the buffer after `log-edit-done'." |
5b467bf4 SM |
105 | :group 'log-edit |
106 | :type 'boolean) | |
107 | ||
a664185b JB |
108 | (defvar cvs-commit-buffer-require-final-newline t) |
109 | (make-obsolete-variable 'cvs-commit-buffer-require-final-newline | |
b8ce3df9 JB |
110 | 'log-edit-require-final-newline |
111 | "21.1") | |
5b467bf4 SM |
112 | |
113 | (defcustom log-edit-require-final-newline | |
114 | cvs-commit-buffer-require-final-newline | |
9201cc28 | 115 | "Enforce a newline at the end of commit log messages. |
5b467bf4 SM |
116 | Enforce it silently if t, query if non-nil and don't do anything if nil." |
117 | :group 'log-edit | |
118 | :type '(choice (const ask) (const t) (const nil))) | |
119 | ||
120 | (defcustom log-edit-setup-invert nil | |
9201cc28 | 121 | "Non-nil means `log-edit' should invert the meaning of its SETUP arg. |
5b467bf4 SM |
122 | If SETUP is 'force, this variable has no effect." |
123 | :group 'log-edit | |
124 | :type 'boolean) | |
125 | ||
126 | (defcustom log-edit-hook '(log-edit-insert-cvs-template | |
e97a42c1 | 127 | log-edit-show-files |
5b467bf4 | 128 | log-edit-insert-changelog) |
9201cc28 | 129 | "Hook run at the end of `log-edit'." |
5b467bf4 | 130 | :group 'log-edit |
f7eeab0d SM |
131 | :type '(hook :options (log-edit-insert-changelog |
132 | log-edit-insert-cvs-rcstemplate | |
133 | log-edit-insert-cvs-template | |
134 | log-edit-insert-filenames))) | |
5b467bf4 | 135 | |
3831af62 | 136 | (defcustom log-edit-mode-hook (if (boundp 'vc-log-mode-hook) vc-log-mode-hook) |
9201cc28 | 137 | "Hook run when entering `log-edit-mode'." |
5b467bf4 SM |
138 | :group 'log-edit |
139 | :type 'hook) | |
140 | ||
141 | (defcustom log-edit-done-hook nil | |
9201cc28 | 142 | "Hook run before doing the actual commit. |
5b467bf4 SM |
143 | This hook can be used to cleanup the message, enforce various |
144 | conventions, or to allow recording the message in some other database, | |
145 | such as a bug-tracking system. The list of files about to be committed | |
146 | can be obtained from `log-edit-files'." | |
147 | :group 'log-edit | |
43a9a0c4 | 148 | :type '(hook :options (log-edit-set-common-indentation |
5b467bf4 SM |
149 | log-edit-add-to-changelog))) |
150 | ||
bef4957b | 151 | (defcustom log-edit-strip-single-file-name nil |
31764e15 | 152 | "If non-nil, remove file name from single-file log entries." |
c6265c10 GM |
153 | :type 'boolean |
154 | :safe 'booleanp | |
155 | :group 'log-edit | |
bef4957b | 156 | :version "24.1") |
31764e15 | 157 | |
a664185b JB |
158 | (defvar cvs-changelog-full-paragraphs t) |
159 | (make-obsolete-variable 'cvs-changelog-full-paragraphs | |
b8ce3df9 JB |
160 | 'log-edit-changelog-full-paragraphs |
161 | "21.1") | |
14188021 SM |
162 | |
163 | (defvar log-edit-changelog-full-paragraphs cvs-changelog-full-paragraphs | |
164 | "*If non-nil, include full ChangeLog paragraphs in the log. | |
5b467bf4 SM |
165 | This may be set in the ``local variables'' section of a ChangeLog, to |
166 | indicate the policy for that ChangeLog. | |
167 | ||
168 | A ChangeLog paragraph is a bunch of log text containing no blank lines; | |
169 | a paragraph usually describes a set of changes with a single purpose, | |
170 | but perhaps spanning several functions in several files. Changes in | |
171 | different paragraphs are unrelated. | |
172 | ||
14188021 | 173 | You could argue that the log entry for a file should contain the |
5b467bf4 SM |
174 | full ChangeLog paragraph mentioning the change to the file, even though |
175 | it may mention other files, because that gives you the full context you | |
5ab405e4 | 176 | need to understand the change. This is the behavior you get when this |
5b467bf4 SM |
177 | variable is set to t. |
178 | ||
14188021 | 179 | On the other hand, you could argue that the log entry for a change |
5b467bf4 | 180 | should contain only the text for the changes which occurred in that |
5ab405e4 | 181 | file, because the log is per-file. This is the behavior you get |
5b467bf4 SM |
182 | when this variable is set to nil.") |
183 | ||
184 | ;;;; Internal global or buffer-local vars | |
185 | ||
186 | (defconst log-edit-files-buf "*log-edit-files*") | |
187 | (defvar log-edit-initial-files nil) | |
188 | (defvar log-edit-callback nil) | |
93a142e1 | 189 | (defvar log-edit-diff-function nil) |
5b467bf4 | 190 | (defvar log-edit-listfun nil) |
495b517c | 191 | |
cdf54749 | 192 | (defvar log-edit-parent-buffer nil) |
5b467bf4 | 193 | |
9fe89a26 | 194 | ;;; Originally taken from VC-Log mode |
12dd83de | 195 | |
9fe89a26 | 196 | (defconst log-edit-maximum-comment-ring-size 32 |
12dd83de | 197 | "Maximum number of saved comments in the comment ring.") |
9fe89a26 SM |
198 | (defvar log-edit-comment-ring (make-ring log-edit-maximum-comment-ring-size)) |
199 | (defvar log-edit-comment-ring-index nil) | |
200 | (defvar log-edit-last-comment-match "") | |
12dd83de | 201 | |
9fe89a26 | 202 | (defun log-edit-new-comment-index (stride len) |
12dd83de | 203 | "Return the comment index STRIDE elements from the current one. |
9fe89a26 | 204 | LEN is the length of `log-edit-comment-ring'." |
12dd83de | 205 | (mod (cond |
9fe89a26 | 206 | (log-edit-comment-ring-index (+ log-edit-comment-ring-index stride)) |
12dd83de SM |
207 | ;; Initialize the index on the first use of this command |
208 | ;; so that the first M-p gets index 0, and the first M-n gets | |
209 | ;; index -1. | |
210 | ((> stride 0) (1- stride)) | |
211 | (t stride)) | |
212 | len)) | |
213 | ||
9fe89a26 | 214 | (defun log-edit-previous-comment (arg) |
12dd83de SM |
215 | "Cycle backwards through comment history. |
216 | With a numeric prefix ARG, go back ARG comments." | |
217 | (interactive "*p") | |
9fe89a26 | 218 | (let ((len (ring-length log-edit-comment-ring))) |
12dd83de SM |
219 | (if (<= len 0) |
220 | (progn (message "Empty comment ring") (ding)) | |
0916e956 SM |
221 | ;; Don't use `erase-buffer' because we don't want to `widen'. |
222 | (delete-region (point-min) (point-max)) | |
9fe89a26 SM |
223 | (setq log-edit-comment-ring-index (log-edit-new-comment-index arg len)) |
224 | (message "Comment %d" (1+ log-edit-comment-ring-index)) | |
225 | (insert (ring-ref log-edit-comment-ring log-edit-comment-ring-index))))) | |
12dd83de | 226 | |
9fe89a26 | 227 | (defun log-edit-next-comment (arg) |
12dd83de SM |
228 | "Cycle forwards through comment history. |
229 | With a numeric prefix ARG, go forward ARG comments." | |
230 | (interactive "*p") | |
9fe89a26 | 231 | (log-edit-previous-comment (- arg))) |
12dd83de | 232 | |
9fe89a26 | 233 | (defun log-edit-comment-search-backward (str &optional stride) |
12dd83de SM |
234 | "Search backwards through comment history for substring match of STR. |
235 | If the optional argument STRIDE is present, that is a step-width to use | |
236 | when going through the comment ring." | |
237 | ;; Why substring rather than regexp ? -sm | |
238 | (interactive | |
9fe89a26 | 239 | (list (read-string "Comment substring: " nil nil log-edit-last-comment-match))) |
12dd83de SM |
240 | (unless stride (setq stride 1)) |
241 | (if (string= str "") | |
9fe89a26 SM |
242 | (setq str log-edit-last-comment-match) |
243 | (setq log-edit-last-comment-match str)) | |
12dd83de | 244 | (let* ((str (regexp-quote str)) |
9fe89a26 SM |
245 | (len (ring-length log-edit-comment-ring)) |
246 | (n (log-edit-new-comment-index stride len))) | |
12dd83de | 247 | (while (progn (when (or (>= n len) (< n 0)) (error "Not found")) |
9fe89a26 | 248 | (not (string-match str (ring-ref log-edit-comment-ring n)))) |
12dd83de | 249 | (setq n (+ n stride))) |
9fe89a26 SM |
250 | (setq log-edit-comment-ring-index n) |
251 | (log-edit-previous-comment 0))) | |
12dd83de | 252 | |
9fe89a26 | 253 | (defun log-edit-comment-search-forward (str) |
12dd83de SM |
254 | "Search forwards through comment history for a substring match of STR." |
255 | (interactive | |
9fe89a26 SM |
256 | (list (read-string "Comment substring: " nil nil log-edit-last-comment-match))) |
257 | (log-edit-comment-search-backward str -1)) | |
12dd83de | 258 | |
9fe89a26 | 259 | (defun log-edit-comment-to-change-log (&optional whoami file-name) |
12dd83de SM |
260 | "Enter last VC comment into the change log for the current file. |
261 | WHOAMI (interactive prefix) non-nil means prompt for user name | |
262 | and site. FILE-NAME is the name of the change log; if nil, use | |
263 | `change-log-default-name'. | |
264 | ||
9fe89a26 | 265 | This may be useful as a `log-edit-checkin-hook' to update change logs |
12dd83de SM |
266 | automatically." |
267 | (interactive (if current-prefix-arg | |
268 | (list current-prefix-arg | |
269 | (prompt-for-change-log-name)))) | |
12dd83de | 270 | (let (;; Extract the comment first so we get any error before doing anything. |
9fe89a26 | 271 | (comment (ring-ref log-edit-comment-ring 0)) |
12dd83de SM |
272 | ;; Don't let add-change-log-entry insert a defun name. |
273 | (add-log-current-defun-function 'ignore) | |
274 | end) | |
275 | ;; Call add-log to do half the work. | |
276 | (add-change-log-entry whoami file-name t t) | |
277 | ;; Insert the VC comment, leaving point before it. | |
278 | (setq end (save-excursion (insert comment) (point-marker))) | |
279 | (if (looking-at "\\s *\\s(") | |
280 | ;; It starts with an open-paren, as in "(foo): Frobbed." | |
281 | ;; So remove the ": " add-log inserted. | |
282 | (delete-char -2)) | |
283 | ;; Canonicalize the white space between the file name and comment. | |
284 | (just-one-space) | |
285 | ;; Indent rest of the text the same way add-log indented the first line. | |
286 | (let ((indentation (current-indentation))) | |
287 | (save-excursion | |
288 | (while (< (point) end) | |
289 | (forward-line 1) | |
290 | (indent-to indentation)) | |
291 | (setq end (point)))) | |
292 | ;; Fill the inserted text, preserving open-parens at bol. | |
0916e956 | 293 | (let ((paragraph-start (concat paragraph-start "\\|\\s *\\s("))) |
12dd83de SM |
294 | (beginning-of-line) |
295 | (fill-region (point) end)) | |
296 | ;; Canonicalize the white space at the end of the entry so it is | |
297 | ;; separated from the next entry by a single blank line. | |
298 | (skip-syntax-forward " " end) | |
299 | (delete-char (- (skip-syntax-backward " "))) | |
300 | (or (eobp) (looking-at "\n\n") | |
301 | (insert "\n")))) | |
302 | ||
9fe89a26 | 303 | ;; Compatibility with old names. |
f7eeab0d SM |
304 | (define-obsolete-variable-alias 'vc-comment-ring 'log-edit-comment-ring "22.1") |
305 | (define-obsolete-variable-alias 'vc-comment-ring-index 'log-edit-comment-ring-index "22.1") | |
306 | (define-obsolete-function-alias 'vc-previous-comment 'log-edit-previous-comment "22.1") | |
307 | (define-obsolete-function-alias 'vc-next-comment 'log-edit-next-comment "22.1") | |
308 | (define-obsolete-function-alias 'vc-comment-search-reverse 'log-edit-comment-search-backward "22.1") | |
309 | (define-obsolete-function-alias 'vc-comment-search-forward 'log-edit-comment-search-forward "22.1") | |
310 | (define-obsolete-function-alias 'vc-comment-to-change-log 'log-edit-comment-to-change-log "22.1") | |
9fe89a26 | 311 | |
cdf54749 SM |
312 | ;;; |
313 | ;;; Actual code | |
314 | ;;; | |
5b467bf4 | 315 | |
e97a42c1 SM |
316 | (defface log-edit-summary '((t :inherit font-lock-function-name-face)) |
317 | "Face for the summary in `log-edit-mode' buffers.") | |
318 | ||
319 | (defface log-edit-header '((t :inherit font-lock-keyword-face)) | |
320 | "Face for the headers in `log-edit-mode' buffers.") | |
321 | ||
322 | (defface log-edit-unknown-header '((t :inherit font-lock-comment-face)) | |
323 | "Face for unknown headers in `log-edit-mode' buffers.") | |
324 | ||
325 | (defvar log-edit-headers-alist '(("Summary" . log-edit-summary) | |
326 | ("Fixes") ("Author")) | |
327 | "AList of known headers and the face to use to highlight them.") | |
328 | ||
329 | (defconst log-edit-header-contents-regexp | |
330 | "[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n?") | |
331 | ||
ba83908c | 332 | (defun log-edit-match-to-eoh (_limit) |
e97a42c1 SM |
333 | ;; FIXME: copied from message-match-to-eoh. |
334 | (let ((start (point))) | |
335 | (rfc822-goto-eoh) | |
336 | ;; Typical situation: some temporary change causes the header to be | |
337 | ;; incorrect, so EOH comes earlier than intended: the last lines of the | |
338 | ;; intended headers are now not considered part of the header any more, | |
339 | ;; so they don't have the multiline property set. When the change is | |
340 | ;; completed and the header has its correct shape again, the lack of the | |
341 | ;; multiline property means we won't rehighlight the last lines of | |
342 | ;; the header. | |
343 | (if (< (point) start) | |
344 | nil ;No header within start..limit. | |
345 | ;; Here we disregard LIMIT so that we may extend the area again. | |
346 | (set-match-data (list start (point))) | |
347 | (point)))) | |
348 | ||
63fbe552 | 349 | (defvar log-edit-font-lock-keywords |
e97a42c1 SM |
350 | ;; Copied/inspired by message-font-lock-keywords. |
351 | `((log-edit-match-to-eoh | |
402c8a49 | 352 | (,(concat "^\\(\\([a-z]+\\):\\)" log-edit-header-contents-regexp) |
e97a42c1 SM |
353 | (progn (goto-char (match-beginning 0)) (match-end 0)) nil |
354 | (1 (if (assoc (match-string 2) log-edit-headers-alist) | |
355 | 'log-edit-header | |
356 | 'log-edit-unknown-header) | |
357 | nil lax) | |
402c8a49 | 358 | ;; From `log-edit-header-contents-regexp': |
e97a42c1 SM |
359 | (3 (or (cdr (assoc (match-string 2) log-edit-headers-alist)) |
360 | 'log-edit-header) | |
402c8a49 | 361 | nil lax))))) |
165a7fbe | 362 | |
5b467bf4 | 363 | ;;;###autoload |
ba83908c | 364 | (defun log-edit (callback &optional setup params buffer mode &rest _ignore) |
5b467bf4 | 365 | "Setup a buffer to enter a log message. |
09158997 DN |
366 | \\<log-edit-mode-map>The buffer will be put in mode MODE or `log-edit-mode' |
367 | if MODE is nil. | |
5b467bf4 | 368 | If SETUP is non-nil, the buffer is then erased and `log-edit-hook' is run. |
2507310c TTN |
369 | Mark and point will be set around the entire contents of the buffer so |
370 | that it is easy to kill the contents of the buffer with \\[kill-region]. | |
5b467bf4 | 371 | Once you're done editing the message, pressing \\[log-edit-done] will call |
cdf54749 | 372 | `log-edit-done' which will end up calling CALLBACK to do the actual commit. |
2507310c TTN |
373 | |
374 | PARAMS if non-nil is an alist. Possible keys and associated values: | |
375 | `log-edit-listfun' -- function taking no arguments that returns the list of | |
376 | files that are concerned by the current operation (using relative names); | |
377 | `log-edit-diff-function' -- function taking no arguments that | |
378 | displays a diff of the files concerned by the current operation. | |
379 | ||
cdf54749 | 380 | If BUFFER is non-nil `log-edit' will jump to that buffer, use it to edit the |
2507310c TTN |
381 | log message and go back to the current buffer when done. Otherwise, it |
382 | uses the current buffer." | |
cdf54749 SM |
383 | (let ((parent (current-buffer))) |
384 | (if buffer (pop-to-buffer buffer)) | |
385 | (when (and log-edit-setup-invert (not (eq setup 'force))) | |
386 | (setq setup (not setup))) | |
e97a42c1 SM |
387 | (when setup |
388 | (erase-buffer) | |
389 | (insert "Summary: ") | |
390 | (save-excursion (insert "\n\n"))) | |
09158997 DN |
391 | (if mode |
392 | (funcall mode) | |
393 | (log-edit-mode)) | |
cdf54749 | 394 | (set (make-local-variable 'log-edit-callback) callback) |
93a142e1 DN |
395 | (if (listp params) |
396 | (dolist (crt params) | |
397 | (set (make-local-variable (car crt)) (cdr crt))) | |
398 | ;; For backward compatibility with log-edit up to version 22.2 | |
399 | ;; accept non-list PARAMS to mean `log-edit-list'. | |
400 | (set (make-local-variable 'log-edit-listfun) params)) | |
401 | ||
cdf54749 | 402 | (if buffer (set (make-local-variable 'log-edit-parent-buffer) parent)) |
70c2a484 | 403 | (set (make-local-variable 'log-edit-initial-files) (log-edit-files)) |
cdf54749 SM |
404 | (when setup (run-hooks 'log-edit-hook)) |
405 | (goto-char (point-min)) (push-mark (point-max)) | |
8a26c165 | 406 | (message "%s" (substitute-command-keys |
cdf54749 | 407 | "Press \\[log-edit-done] when you are done editing.")))) |
5b467bf4 SM |
408 | |
409 | (define-derived-mode log-edit-mode text-mode "Log-Edit" | |
54877f36 SM |
410 | "Major mode for editing version-control log messages. |
411 | When done editing the log entry, just type \\[log-edit-done] which | |
412 | will trigger the actual commit of the file(s). | |
413 | Several other handy support commands are provided of course and | |
414 | the package from which this is used might also provide additional | |
415 | commands (under C-x v for VC, for example). | |
416 | ||
1be77002 | 417 | \\{log-edit-mode-map}" |
165a7fbe | 418 | (set (make-local-variable 'font-lock-defaults) |
e97a42c1 | 419 | '(log-edit-font-lock-keywords t t)) |
8117868f DN |
420 | (make-local-variable 'log-edit-comment-ring-index) |
421 | (hack-dir-local-variables-non-file-buffer)) | |
5b467bf4 SM |
422 | |
423 | (defun log-edit-hide-buf (&optional buf where) | |
424 | (when (setq buf (get-buffer (or buf log-edit-files-buf))) | |
425 | (let ((win (get-buffer-window buf where))) | |
426 | (if win (ignore-errors (delete-window win)))) | |
427 | (bury-buffer buf))) | |
428 | ||
429 | (defun log-edit-done () | |
430 | "Finish editing the log message and commit the files. | |
5b467bf4 SM |
431 | If you want to abort the commit, simply delete the buffer." |
432 | (interactive) | |
e97a42c1 SM |
433 | ;; Clean up empty headers. |
434 | (goto-char (point-min)) | |
435 | (while (looking-at (concat "^[a-z]*:" log-edit-header-contents-regexp)) | |
436 | (let ((beg (match-beginning 0))) | |
437 | (goto-char (match-end 0)) | |
438 | (if (string-match "\\`[ \n\t]*\\'" (match-string 1)) | |
439 | (delete-region beg (point))))) | |
440 | ;; Get rid of leading empty lines. | |
441 | (goto-char (point-min)) | |
442 | (when (looking-at "\\([ \t]*\n\\)+") | |
443 | (delete-region (match-beginning 0) (match-end 0))) | |
ffe7dc64 SM |
444 | ;; Get rid of trailing empty lines |
445 | (goto-char (point-max)) | |
446 | (skip-syntax-backward " ") | |
447 | (when (equal (char-after) ?\n) (forward-char 1)) | |
448 | (delete-region (point) (point-max)) | |
449 | ;; Check for final newline | |
cdf54749 SM |
450 | (if (and (> (point-max) (point-min)) |
451 | (/= (char-before (point-max)) ?\n) | |
5b467bf4 SM |
452 | (or (eq log-edit-require-final-newline t) |
453 | (and log-edit-require-final-newline | |
454 | (y-or-n-p | |
455 | (format "Buffer %s does not end in newline. Add one? " | |
456 | (buffer-name)))))) | |
457 | (save-excursion | |
458 | (goto-char (point-max)) | |
459 | (insert ?\n))) | |
1be77002 | 460 | (let ((comment (buffer-string))) |
9fe89a26 SM |
461 | (when (or (ring-empty-p log-edit-comment-ring) |
462 | (not (equal comment (ring-ref log-edit-comment-ring 0)))) | |
463 | (ring-insert log-edit-comment-ring comment))) | |
5b467bf4 SM |
464 | (let ((win (get-buffer-window log-edit-files-buf))) |
465 | (if (and log-edit-confirm | |
466 | (not (and (eq log-edit-confirm 'changed) | |
467 | (equal (log-edit-files) log-edit-initial-files))) | |
468 | (progn | |
469 | (log-edit-show-files) | |
ce5a3ac0 | 470 | (not (y-or-n-p "Really commit? ")))) |
5b467bf4 SM |
471 | (progn (when (not win) (log-edit-hide-buf)) |
472 | (message "Oh, well! Later maybe?")) | |
473 | (run-hooks 'log-edit-done-hook) | |
474 | (log-edit-hide-buf) | |
cdf54749 SM |
475 | (unless (or log-edit-keep-buffer (not log-edit-parent-buffer)) |
476 | (cvs-bury-buffer (current-buffer) log-edit-parent-buffer)) | |
5b467bf4 SM |
477 | (call-interactively log-edit-callback)))) |
478 | ||
479 | (defun log-edit-files () | |
480 | "Return the list of files that are about to be committed." | |
481 | (ignore-errors (funcall log-edit-listfun))) | |
482 | ||
5b467bf4 SM |
483 | (defun log-edit-mode-help () |
484 | "Provide help for the `log-edit-mode-map'." | |
485 | (interactive) | |
486 | (if (eq last-command 'log-edit-mode-help) | |
487 | (describe-function major-mode) | |
8a26c165 | 488 | (message "%s" |
5b467bf4 SM |
489 | (substitute-command-keys |
490 | "Type `\\[log-edit-done]' to finish commit. Try `\\[describe-function] log-edit-done' for more help.")))) | |
491 | ||
43a9a0c4 SM |
492 | (defcustom log-edit-common-indent 0 |
493 | "Minimum indentation to use in `log-edit-set-common-indentation'." | |
494 | :group 'log-edit | |
495 | :type 'integer) | |
496 | ||
497 | (defun log-edit-set-common-indentation () | |
498 | "(Un)Indent the current buffer rigidly to `log-edit-common-indent'." | |
5b467bf4 SM |
499 | (save-excursion |
500 | (let ((common (point-max))) | |
e97a42c1 | 501 | (rfc822-goto-eoh) |
5b467bf4 SM |
502 | (while (< (point) (point-max)) |
503 | (if (not (looking-at "^[ \t]*$")) | |
504 | (setq common (min common (current-indentation)))) | |
505 | (forward-line 1)) | |
e97a42c1 SM |
506 | (rfc822-goto-eoh) |
507 | (indent-rigidly (point) (point-max) | |
43a9a0c4 | 508 | (- log-edit-common-indent common))))) |
5b467bf4 | 509 | |
93a142e1 DN |
510 | (defun log-edit-show-diff () |
511 | "Show the diff for the files to be committed." | |
512 | (interactive) | |
37b72bf5 DN |
513 | (if (functionp log-edit-diff-function) |
514 | (funcall log-edit-diff-function) | |
515 | (error "Diff functionality has not been setup"))) | |
93a142e1 | 516 | |
5b467bf4 SM |
517 | (defun log-edit-show-files () |
518 | "Show the list of files to be committed." | |
519 | (interactive) | |
520 | (let* ((files (log-edit-files)) | |
cdf54749 | 521 | (buf (get-buffer-create log-edit-files-buf))) |
5b467bf4 SM |
522 | (with-current-buffer buf |
523 | (log-edit-hide-buf buf 'all) | |
524 | (setq buffer-read-only nil) | |
525 | (erase-buffer) | |
a88e99b5 | 526 | (cvs-insert-strings files) |
5b467bf4 SM |
527 | (setq buffer-read-only t) |
528 | (goto-char (point-min)) | |
529 | (save-selected-window | |
530 | (cvs-pop-to-buffer-same-frame buf) | |
531 | (shrink-window-if-larger-than-buffer) | |
532 | (selected-window))))) | |
533 | ||
b605679c GM |
534 | (defun log-edit-empty-buffer-p () |
535 | "Return non-nil if the buffer is \"empty\"." | |
536 | (or (= (point-min) (point-max)) | |
537 | (save-excursion | |
538 | (goto-char (point-min)) | |
539 | (while (and (looking-at "^\\(Summary: \\)?$") | |
540 | (zerop (forward-line 1)))) | |
541 | (eobp)))) | |
542 | ||
5b467bf4 | 543 | (defun log-edit-insert-cvs-template () |
f7eeab0d SM |
544 | "Insert the template specified by the CVS administrator, if any. |
545 | This simply uses the local CVS/Template file." | |
5b467bf4 | 546 | (interactive) |
32226619 | 547 | (when (or (called-interactively-p 'interactive) |
b605679c GM |
548 | (log-edit-empty-buffer-p)) |
549 | ;; Should the template take precedence over an empty Summary:, | |
550 | ;; ie should we first erase the buffer? | |
f7eeab0d | 551 | (when (file-readable-p "CVS/Template") |
b605679c | 552 | (goto-char (point-max)) |
f7eeab0d SM |
553 | (insert-file-contents "CVS/Template")))) |
554 | ||
555 | (defun log-edit-insert-cvs-rcstemplate () | |
556 | "Insert the rcstemplate from the CVS repository. | |
557 | This contacts the repository to get the rcstemplate file and | |
558 | can thus take some time." | |
559 | (interactive) | |
32226619 | 560 | (when (or (called-interactively-p 'interactive) |
b605679c | 561 | (log-edit-empty-buffer-p)) |
21227135 | 562 | (when (file-readable-p "CVS/Root") |
b605679c | 563 | (goto-char (point-max)) |
21227135 SM |
564 | ;; Ignore the stderr stuff, even if it's an error. |
565 | (call-process "cvs" nil '(t nil) nil | |
566 | "checkout" "-p" "CVSROOT/rcstemplate")))) | |
f1180544 | 567 | |
f7eeab0d SM |
568 | (defun log-edit-insert-filenames () |
569 | "Insert the list of files that are to be committed." | |
570 | (interactive) | |
571 | (insert "Affected files: \n" | |
572 | (mapconcat 'identity (log-edit-files) " \n"))) | |
5b467bf4 SM |
573 | |
574 | (defun log-edit-add-to-changelog () | |
575 | "Insert this log message into the appropriate ChangeLog file." | |
576 | (interactive) | |
577 | ;; Yuck! | |
9fe89a26 SM |
578 | (unless (string= (buffer-string) (ring-ref log-edit-comment-ring 0)) |
579 | (ring-insert log-edit-comment-ring (buffer-string))) | |
5b467bf4 SM |
580 | (dolist (f (log-edit-files)) |
581 | (let ((buffer-file-name (expand-file-name f))) | |
582 | (save-excursion | |
9fe89a26 | 583 | (log-edit-comment-to-change-log))))) |
5b467bf4 | 584 | |
f7eeab0d | 585 | (defvar log-edit-changelog-use-first nil) |
ce8794df SM |
586 | |
587 | (defvar log-edit-rewrite-fixes nil | |
588 | "Rule to rewrite bug numbers into Fixes: headers. | |
589 | The value should be of the form (REGEXP . REPLACEMENT) | |
590 | where REGEXP should match the expression referring to a bug number | |
591 | in the text, and REPLACEMENT is an expression to pass to `replace-match' | |
592 | to build the Fixes: header.") | |
a62b88d4 SM |
593 | (put 'log-edit-rewrite-fixes 'safe-local-variable |
594 | (lambda (v) (and (stringp (car-safe v)) (stringp (cdr v))))) | |
ce8794df | 595 | |
f7eeab0d SM |
596 | (defun log-edit-insert-changelog (&optional use-first) |
597 | "Insert a log message by looking at the ChangeLog. | |
598 | The idea is to write your ChangeLog entries first, and then use this | |
599 | command to commit your changes. | |
600 | ||
601 | To select default log text, we: | |
602 | - find the ChangeLog entries for the files to be checked in, | |
603 | - verify that the top entry in the ChangeLog is on the current date | |
604 | and by the current user; if not, we don't provide any default text, | |
605 | - search the ChangeLog entry for paragraphs containing the names of | |
606 | the files we're checking in, and finally | |
607 | - use those paragraphs as the log text. | |
608 | ||
609 | If the optional prefix arg USE-FIRST is given (via \\[universal-argument]), | |
610 | or if the command is repeated a second time in a row, use the first log entry | |
611 | regardless of user name or time." | |
612 | (interactive "P") | |
e97a42c1 SM |
613 | (let ((eoh (save-excursion (rfc822-goto-eoh) (point)))) |
614 | (when (<= (point) eoh) | |
615 | (goto-char eoh) | |
616 | (if (looking-at "\n") (forward-char 1)))) | |
ce8794df SM |
617 | (let ((author |
618 | (let ((log-edit-changelog-use-first | |
619 | (or use-first (eq last-command 'log-edit-insert-changelog)))) | |
620 | (log-edit-insert-changelog-entries (log-edit-files))))) | |
621 | (log-edit-set-common-indentation) | |
622 | ;; Add an Author: field if appropriate. | |
623 | (when author | |
624 | (rfc822-goto-eoh) | |
625 | (insert "Author: " author "\n" (if (looking-at "\n") "" "\n"))) | |
626 | ;; Add a Fixes: field if applicable. | |
627 | (when (consp log-edit-rewrite-fixes) | |
628 | (rfc822-goto-eoh) | |
629 | (when (re-search-forward (car log-edit-rewrite-fixes) nil t) | |
630 | (let ((start (match-beginning 0)) | |
631 | (end (match-end 0)) | |
632 | (fixes (match-substitute-replacement | |
633 | (cdr log-edit-rewrite-fixes)))) | |
634 | (delete-region start end) | |
635 | (rfc822-goto-eoh) | |
636 | (insert "Fixes: " fixes "\n" (if (looking-at "\n") "" "\n"))))) | |
b8bd9908 GM |
637 | (and log-edit-strip-single-file-name |
638 | (progn (rfc822-goto-eoh) | |
639 | (if (looking-at "\n") (forward-char 1)) | |
640 | (looking-at "\\*\\s-+")) | |
641 | (let ((start (point))) | |
642 | (forward-line 1) | |
643 | (when (not (re-search-forward "^\\*\\s-+" nil t)) | |
644 | (goto-char start) | |
645 | (skip-chars-forward "^():") | |
646 | (skip-chars-forward ": ") | |
647 | (delete-region start (point))))) | |
648 | (goto-char (point-min)))) | |
f7eeab0d | 649 | |
f1180544 | 650 | ;;;; |
5b467bf4 SM |
651 | ;;;; functions for getting commit message from ChangeLog a file... |
652 | ;;;; Courtesy Jim Blandy | |
f1180544 | 653 | ;;;; |
5b467bf4 | 654 | |
14188021 | 655 | (defun log-edit-narrow-changelog () |
5b467bf4 SM |
656 | "Narrow to the top page of the current buffer, a ChangeLog file. |
657 | Actually, the narrowed region doesn't include the date line. | |
658 | A \"page\" in a ChangeLog file is the area between two dates." | |
659 | (or (eq major-mode 'change-log-mode) | |
14188021 | 660 | (error "log-edit-narrow-changelog: current buffer isn't a ChangeLog")) |
5b467bf4 SM |
661 | |
662 | (goto-char (point-min)) | |
663 | ||
664 | ;; Skip date line and subsequent blank lines. | |
665 | (forward-line 1) | |
666 | (if (looking-at "[ \t\n]*\n") | |
667 | (goto-char (match-end 0))) | |
668 | ||
669 | (let ((start (point))) | |
670 | (forward-page 1) | |
671 | (narrow-to-region start (point)) | |
672 | (goto-char (point-min)))) | |
673 | ||
14188021 | 674 | (defun log-edit-changelog-paragraph () |
5b467bf4 SM |
675 | "Return the bounds of the ChangeLog paragraph containing point. |
676 | If we are between paragraphs, return the previous paragraph." | |
8390fb80 SM |
677 | (beginning-of-line) |
678 | (if (looking-at "^[ \t]*$") | |
679 | (skip-chars-backward " \t\n" (point-min))) | |
680 | (list (progn | |
681 | (if (re-search-backward "^[ \t]*\n" nil 'or-to-limit) | |
682 | (goto-char (match-end 0))) | |
683 | (point)) | |
684 | (if (re-search-forward "^[ \t\n]*$" nil t) | |
685 | (match-beginning 0) | |
686 | (point-max)))) | |
5b467bf4 | 687 | |
14188021 | 688 | (defun log-edit-changelog-subparagraph () |
5b467bf4 SM |
689 | "Return the bounds of the ChangeLog subparagraph containing point. |
690 | A subparagraph is a block of non-blank lines beginning with an asterisk. | |
691 | If we are between sub-paragraphs, return the previous subparagraph." | |
5b467bf4 SM |
692 | (end-of-line) |
693 | (if (search-backward "*" nil t) | |
694 | (list (progn (beginning-of-line) (point)) | |
bc35d341 | 695 | (progn |
5b467bf4 SM |
696 | (forward-line 1) |
697 | (if (re-search-forward "^[ \t]*[\n*]" nil t) | |
698 | (match-beginning 0) | |
699 | (point-max)))) | |
8390fb80 | 700 | (list (point) (point)))) |
5b467bf4 | 701 | |
14188021 | 702 | (defun log-edit-changelog-entry () |
5b467bf4 | 703 | "Return the bounds of the ChangeLog entry containing point. |
14188021 | 704 | The variable `log-edit-changelog-full-paragraphs' decides whether an |
5b467bf4 SM |
705 | \"entry\" is a paragraph or a subparagraph; see its documentation string |
706 | for more details." | |
8390fb80 SM |
707 | (save-excursion |
708 | (if log-edit-changelog-full-paragraphs | |
709 | (log-edit-changelog-paragraph) | |
710 | (log-edit-changelog-subparagraph)))) | |
5b467bf4 SM |
711 | |
712 | (defvar user-full-name) | |
713 | (defvar user-mail-address) | |
ce8794df SM |
714 | |
715 | (defvar log-edit-author) ;Dynamically scoped. | |
716 | ||
14188021 | 717 | (defun log-edit-changelog-ours-p () |
5b467bf4 | 718 | "See if ChangeLog entry at point is for the current user, today. |
4837b516 | 719 | Return non-nil if it is." |
5b467bf4 SM |
720 | ;; Code adapted from add-change-log-entry. |
721 | (let ((name (or (and (boundp 'add-log-full-name) add-log-full-name) | |
722 | (and (fboundp 'user-full-name) (user-full-name)) | |
723 | (and (boundp 'user-full-name) user-full-name))) | |
724 | (mail (or (and (boundp 'add-log-mailing-address) add-log-mailing-address) | |
725 | ;;(and (fboundp 'user-mail-address) (user-mail-address)) | |
726 | (and (boundp 'user-mail-address) user-mail-address))) | |
727 | (time (or (and (boundp 'add-log-time-format) | |
728 | (functionp add-log-time-format) | |
729 | (funcall add-log-time-format)) | |
730 | (format-time-string "%Y-%m-%d")))) | |
ce8794df SM |
731 | (if (null log-edit-changelog-use-first) |
732 | (looking-at (regexp-quote (format "%s %s <%s>" time name mail))) | |
733 | ;; Check the author, to potentially add it as a "Author: " header. | |
734 | (when (looking-at "[^ \t]") | |
735 | (when (and (boundp 'log-edit-author) | |
736 | (not (looking-at (format ".+ .+ <%s>" | |
737 | (regexp-quote mail)))) | |
738 | (looking-at ".+ \\(.+ <.+>\\)")) | |
739 | (let ((author (replace-regexp-in-string " " " " | |
740 | (match-string 1)))) | |
741 | (unless (and log-edit-author | |
742 | (string-match (regexp-quote author) log-edit-author)) | |
743 | (setq log-edit-author | |
744 | (if log-edit-author | |
745 | (concat log-edit-author ", " author) | |
746 | author))))) | |
747 | t)))) | |
5b467bf4 | 748 | |
14188021 | 749 | (defun log-edit-changelog-entries (file) |
5b467bf4 SM |
750 | "Return the ChangeLog entries for FILE, and the ChangeLog they came from. |
751 | The return value looks like this: | |
bef4957b | 752 | (LOGBUFFER (ENTRYSTART ENTRYEND) ...) |
5b467bf4 SM |
753 | where LOGBUFFER is the name of the ChangeLog buffer, and each |
754 | \(ENTRYSTART . ENTRYEND\) pair is a buffer region." | |
d944ee49 SM |
755 | (let ((changelog-file-name |
756 | (let ((default-directory | |
757 | (file-name-directory (expand-file-name file))) | |
758 | (visiting-buffer (find-buffer-visiting file))) | |
759 | ;; If there is a buffer visiting FILE, and it has a local | |
760 | ;; value for `change-log-default-name', use that. | |
761 | (if (and visiting-buffer | |
762 | (local-variable-p 'change-log-default-name | |
763 | visiting-buffer)) | |
764 | (with-current-buffer visiting-buffer | |
765 | change-log-default-name) | |
766 | ;; `find-change-log' uses `change-log-default-name' if set | |
767 | ;; and sets it before exiting, so we need to work around | |
768 | ;; that memoizing which is undesired here | |
769 | (setq change-log-default-name nil) | |
770 | (find-change-log))))) | |
771 | (with-current-buffer (find-file-noselect changelog-file-name) | |
5b467bf4 SM |
772 | (unless (eq major-mode 'change-log-mode) (change-log-mode)) |
773 | (goto-char (point-min)) | |
774 | (if (looking-at "\\s-*\n") (goto-char (match-end 0))) | |
14188021 | 775 | (if (not (log-edit-changelog-ours-p)) |
5b467bf4 SM |
776 | (list (current-buffer)) |
777 | (save-restriction | |
14188021 | 778 | (log-edit-narrow-changelog) |
5b467bf4 | 779 | (goto-char (point-min)) |
f1180544 | 780 | |
5b467bf4 SM |
781 | ;; Search for the name of FILE relative to the ChangeLog. If that |
782 | ;; doesn't occur anywhere, they're not using full relative | |
783 | ;; filenames in the ChangeLog, so just look for FILE; we'll accept | |
784 | ;; some false positives. | |
785 | (let ((pattern (file-relative-name | |
786 | file (file-name-directory changelog-file-name)))) | |
787 | (if (or (string= pattern "") | |
788 | (not (save-excursion | |
789 | (search-forward pattern nil t)))) | |
790 | (setq pattern (file-name-nondirectory file))) | |
791 | ||
b543ff57 | 792 | (setq pattern (concat "\\(^\\|[^[:alnum:]]\\)" |
9b2a758a | 793 | (regexp-quote pattern) |
b543ff57 NR |
794 | "\\($\\|[^[:alnum:]]\\)")) |
795 | ||
8390fb80 SM |
796 | (let (texts |
797 | (pos (point))) | |
798 | (while (and (not (eobp)) (re-search-forward pattern nil t)) | |
14188021 | 799 | (let ((entry (log-edit-changelog-entry))) |
8390fb80 SM |
800 | (if (< (elt entry 1) (max (1+ pos) (point))) |
801 | ;; This is not relevant, actually. | |
802 | nil | |
803 | (push entry texts)) | |
804 | ;; Make sure we make progress. | |
805 | (setq pos (max (1+ pos) (elt entry 1))) | |
806 | (goto-char pos))) | |
5b467bf4 SM |
807 | |
808 | (cons (current-buffer) texts)))))))) | |
809 | ||
bef4957b CY |
810 | (defun log-edit-changelog-insert-entries (buffer beg end &rest files) |
811 | "Insert the text from BUFFER between BEG and END. | |
812 | Rename relative filenames in the ChangeLog entry as FILES." | |
813 | (let ((opoint (point)) | |
814 | (log-name (buffer-file-name buffer)) | |
815 | (case-fold-search nil) | |
816 | bound) | |
817 | (insert-buffer-substring buffer beg end) | |
818 | (setq bound (point-marker)) | |
819 | (when log-name | |
820 | (dolist (f files) | |
821 | (save-excursion | |
822 | (goto-char opoint) | |
823 | (when (re-search-forward | |
824 | (concat "\\(^\\|[ \t]\\)\\(" | |
825 | (file-relative-name f (file-name-directory log-name)) | |
826 | "\\)[, :\n]") | |
827 | bound t) | |
828 | (replace-match f t t nil 2))))) | |
829 | ;; Eliminate tabs at the beginning of the line. | |
830 | (save-excursion | |
831 | (goto-char opoint) | |
832 | (while (re-search-forward "^\\(\t+\\)" bound t) | |
833 | (replace-match ""))))) | |
5b467bf4 | 834 | |
14188021 | 835 | (defun log-edit-insert-changelog-entries (files) |
5b467bf4 | 836 | "Given a list of files FILES, insert the ChangeLog entries for them." |
ce8794df SM |
837 | (let ((log-entries nil) |
838 | (log-edit-author nil)) | |
bef4957b CY |
839 | ;; Note that any ChangeLog entry can apply to more than one file. |
840 | ;; Here we construct a log-entries list with elements of the form | |
841 | ;; ((LOGBUFFER ENTRYSTART ENTRYEND) FILE1 FILE2...) | |
5b467bf4 | 842 | (dolist (file files) |
14188021 | 843 | (let* ((entries (log-edit-changelog-entries file)) |
bef4957b CY |
844 | (buf (car entries)) |
845 | key entry) | |
846 | (dolist (region (cdr entries)) | |
847 | (setq key (cons buf region)) | |
848 | (if (setq entry (assoc key log-entries)) | |
849 | (setcdr entry (append (cdr entry) (list file))) | |
850 | (push (list key file) log-entries))))) | |
851 | ;; Now map over log-entries, and extract the strings. | |
852 | (dolist (log-entry (nreverse log-entries)) | |
853 | (apply 'log-edit-changelog-insert-entries | |
854 | (append (car log-entry) (cdr log-entry))) | |
ce8794df SM |
855 | (insert "\n")) |
856 | log-edit-author)) | |
5b467bf4 | 857 | |
e97a42c1 SM |
858 | (defun log-edit-extract-headers (headers comment) |
859 | "Extract headers from COMMENT to form command line arguments. | |
860 | HEADERS should be an alist with elements of the form (HEADER . CMDARG) | |
861 | associating header names to the corresponding cmdline option name and the | |
862 | result is then a list of the form (MSG CMDARG1 HDRTEXT1 CMDARG2 HDRTEXT2...). | |
863 | where MSG is the remaining text from STRING. | |
864 | If \"Summary\" is not in HEADERS, then the \"Summary\" header is extracted | |
865 | anyway and put back as the first line of MSG." | |
866 | (with-temp-buffer | |
867 | (insert comment) | |
868 | (rfc822-goto-eoh) | |
869 | (narrow-to-region (point-min) (point)) | |
870 | (let ((case-fold-search t) | |
871 | (summary ()) | |
872 | (res ())) | |
873 | (dolist (header (if (assoc "Summary" headers) headers | |
874 | (cons '("Summary" . t) headers))) | |
875 | (goto-char (point-min)) | |
876 | (while (re-search-forward (concat "^" (car header) | |
877 | ":" log-edit-header-contents-regexp) | |
878 | nil t) | |
879 | (if (eq t (cdr header)) | |
880 | (setq summary (match-string 1)) | |
881 | (push (match-string 1) res) | |
882 | (push (or (cdr header) (car header)) res)) | |
883 | (replace-match "" t t))) | |
884 | ;; Remove header separator if the header is empty. | |
885 | (widen) | |
09158997 | 886 | (goto-char (point-min)) |
e97a42c1 SM |
887 | (when (looking-at "\\([ \t]*\n\\)+") |
888 | (delete-region (match-beginning 0) (match-end 0))) | |
889 | (if summary (insert summary "\n")) | |
890 | (cons (buffer-string) res)))) | |
09158997 | 891 | |
5b467bf4 | 892 | (provide 'log-edit) |
54877f36 | 893 | |
5b467bf4 | 894 | ;;; log-edit.el ends here |