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3a59f3db KH |
1 | ;; stgit.el: An emacs mode for StGit |
2 | ;; | |
3 | ;; Copyright (C) 2007 David Kågedal <davidk@lysator.liu.se> | |
4 | ;; | |
5 | ;; To install: put this file on the load-path and place the following | |
6 | ;; in your .emacs file: | |
7 | ;; | |
8 | ;; (require 'stgit) | |
9 | ;; | |
10 | ;; To start: `M-x stgit' | |
11 | ||
56d81fe5 DK |
12 | (defun stgit (dir) |
13 | "Manage stgit patches" | |
14 | (interactive "DDirectory: \n") | |
52144ce5 | 15 | (switch-to-stgit-buffer (git-get-top-dir dir)) |
1f0bf00f | 16 | (stgit-reload)) |
56d81fe5 | 17 | |
52144ce5 KH |
18 | (defun git-get-top-dir (dir) |
19 | "Retrieve the top-level directory of a git tree." | |
20 | (let ((cdup (with-output-to-string | |
21 | (with-current-buffer standard-output | |
22 | (cd dir) | |
23 | (unless (eq 0 (call-process "git" nil t nil | |
24 | "rev-parse" "--show-cdup")) | |
25 | (error "cannot find top-level git tree for %s." dir)))))) | |
26 | (expand-file-name (concat (file-name-as-directory dir) | |
27 | (car (split-string cdup "\n")))))) | |
28 | ||
56d81fe5 DK |
29 | (defun switch-to-stgit-buffer (dir) |
30 | "Switch to a (possibly new) buffer displaying StGit patches for DIR" | |
31 | (setq dir (file-name-as-directory dir)) | |
32 | (let ((buffers (buffer-list))) | |
33 | (while (and buffers | |
34 | (not (with-current-buffer (car buffers) | |
35 | (and (eq major-mode 'stgit-mode) | |
36 | (string= default-directory dir))))) | |
37 | (setq buffers (cdr buffers))) | |
38 | (switch-to-buffer (if buffers | |
39 | (car buffers) | |
40 | (create-stgit-buffer dir))))) | |
41 | ||
42 | (defun create-stgit-buffer (dir) | |
43 | "Create a buffer for showing StGit patches. | |
44 | Argument DIR is the repository path." | |
45 | (let ((buf (create-file-buffer (concat dir "*stgit*"))) | |
46 | (inhibit-read-only t)) | |
47 | (with-current-buffer buf | |
48 | (setq default-directory dir) | |
49 | (stgit-mode) | |
50 | (setq buffer-read-only t)) | |
51 | buf)) | |
52 | ||
53 | (defmacro stgit-capture-output (name &rest body) | |
54 | "Capture StGit output and show it in a window at the end" | |
34afb86c DK |
55 | `(let ((output-buf (get-buffer-create ,(or name "*StGit output*"))) |
56 | (stgit-dir default-directory) | |
57 | (inhibit-read-only t)) | |
56d81fe5 | 58 | (with-current-buffer output-buf |
34afb86c DK |
59 | (erase-buffer) |
60 | (setq default-directory stgit-dir) | |
61 | (setq buffer-read-only t)) | |
56d81fe5 DK |
62 | (let ((standard-output output-buf)) |
63 | ,@body) | |
34afb86c DK |
64 | (with-current-buffer output-buf |
65 | (set-buffer-modified-p nil) | |
66 | (setq buffer-read-only t) | |
67 | (if (< (point-min) (point-max)) | |
68 | (display-buffer output-buf t))))) | |
56d81fe5 DK |
69 | (put 'stgit-capture-output 'lisp-indent-function 1) |
70 | ||
9aecd505 | 71 | (defun stgit-run-silent (&rest args) |
56d81fe5 DK |
72 | (apply 'call-process "stg" nil standard-output nil args)) |
73 | ||
9aecd505 DK |
74 | (defun stgit-run (&rest args) |
75 | (let ((msgcmd (mapconcat #'identity args " "))) | |
76 | (message "Running stg %s..." msgcmd) | |
77 | (apply 'call-process "stg" nil standard-output nil args) | |
78 | (message "Running stg %s...done" msgcmd))) | |
79 | ||
1f0bf00f | 80 | (defun stgit-reload () |
56d81fe5 DK |
81 | "Update the contents of the stgit buffer" |
82 | (interactive) | |
83 | (let ((inhibit-read-only t) | |
84 | (curline (line-number-at-pos)) | |
85 | (curpatch (stgit-patch-at-point))) | |
86 | (erase-buffer) | |
87 | (insert "Branch: ") | |
9aecd505 DK |
88 | (stgit-run-silent "branch") |
89 | (stgit-run-silent "series" "--description") | |
6df83d42 | 90 | (stgit-rescan) |
56d81fe5 DK |
91 | (if curpatch |
92 | (stgit-goto-patch curpatch) | |
93 | (goto-line curline)))) | |
94 | ||
07f464e0 DK |
95 | (defface stgit-description-face |
96 | '((((background dark)) (:foreground "tan")) | |
97 | (((background light)) (:foreground "dark red"))) | |
98 | "The face used for StGit desriptions") | |
99 | ||
100 | (defface stgit-top-patch-face | |
101 | '((((background dark)) (:weight bold :foreground "yellow")) | |
102 | (((background light)) (:weight bold :foreground "purple")) | |
103 | (t (:weight bold))) | |
104 | "The face used for the top patch names") | |
105 | ||
106 | (defface stgit-applied-patch-face | |
107 | '((((background dark)) (:foreground "light yellow")) | |
108 | (((background light)) (:foreground "purple")) | |
109 | (t ())) | |
110 | "The face used for applied patch names") | |
111 | ||
112 | (defface stgit-unapplied-patch-face | |
113 | '((((background dark)) (:foreground "gray80")) | |
114 | (((background light)) (:foreground "orchid")) | |
115 | (t ())) | |
116 | "The face used for unapplied patch names") | |
117 | ||
6df83d42 DK |
118 | (defun stgit-rescan () |
119 | "Rescan the status buffer." | |
07f464e0 | 120 | (save-excursion |
6df83d42 DK |
121 | (let ((marked ())) |
122 | (goto-char (point-min)) | |
123 | (while (not (eobp)) | |
124 | (cond ((looking-at "Branch: \\(.*\\)") | |
125 | (put-text-property (match-beginning 1) (match-end 1) | |
126 | 'face 'bold)) | |
8ee1e4b4 | 127 | ((looking-at "\\([>+-]\\)\\( \\)\\([^ ]+\\) *[|#] \\(.*\\)") |
6df83d42 DK |
128 | (let ((state (match-string 1)) |
129 | (patchsym (intern (match-string 3)))) | |
130 | (put-text-property | |
131 | (match-beginning 3) (match-end 3) 'face | |
132 | (cond ((string= state ">") 'stgit-top-patch-face) | |
133 | ((string= state "+") 'stgit-applied-patch-face) | |
134 | ((string= state "-") 'stgit-unapplied-patch-face))) | |
135 | (put-text-property (match-beginning 4) (match-end 4) | |
136 | 'face 'stgit-description-face) | |
137 | (when (memq patchsym stgit-marked-patches) | |
138 | (replace-match "*" nil nil nil 2) | |
1c2426dc | 139 | (setq marked (cons patchsym marked))))) |
ad80ce22 DK |
140 | ((or (looking-at "stg series: Branch \".*\" not initialised") |
141 | (looking-at "stg series: .*: branch not initialized")) | |
1c2426dc DK |
142 | (forward-line 1) |
143 | (insert "Run M-x stgit-init to initialise"))) | |
6df83d42 DK |
144 | (forward-line 1)) |
145 | (setq stgit-marked-patches (nreverse marked))))) | |
07f464e0 | 146 | |
83327d53 GH |
147 | (defun stgit-quit () |
148 | "Hide the stgit buffer" | |
149 | (interactive) | |
150 | (bury-buffer)) | |
151 | ||
56d81fe5 DK |
152 | (defvar stgit-mode-hook nil |
153 | "Run after `stgit-mode' is setup.") | |
154 | ||
155 | (defvar stgit-mode-map nil | |
156 | "Keymap for StGit major mode.") | |
157 | ||
158 | (unless stgit-mode-map | |
159 | (setq stgit-mode-map (make-keymap)) | |
160 | (suppress-keymap stgit-mode-map) | |
022a3664 GH |
161 | (mapc (lambda (arg) (define-key stgit-mode-map (car arg) (cdr arg))) |
162 | '((" " . stgit-mark) | |
3dccdc9b | 163 | ("m" . stgit-mark) |
022a3664 GH |
164 | ("\d" . stgit-unmark) |
165 | ("?" . stgit-help) | |
166 | ("h" . stgit-help) | |
167 | ("p" . previous-line) | |
168 | ("n" . next-line) | |
169 | ("g" . stgit-reload) | |
170 | ("r" . stgit-refresh) | |
171 | ("\C-c\C-r" . stgit-rename) | |
172 | ("e" . stgit-edit) | |
173 | ("c" . stgit-coalesce) | |
174 | ("N" . stgit-new) | |
175 | ("R" . stgit-repair) | |
176 | ("C" . stgit-commit) | |
177 | ("U" . stgit-uncommit) | |
178 | (">" . stgit-push-next) | |
179 | ("<" . stgit-pop-next) | |
180 | ("P" . stgit-push-or-pop) | |
181 | ("G" . stgit-goto) | |
182 | ("=" . stgit-show) | |
183 | ("D" . stgit-delete) | |
184 | ([(control ?/)] . stgit-undo) | |
83327d53 GH |
185 | ("\C-_" . stgit-undo) |
186 | ("q" . stgit-quit)))) | |
56d81fe5 DK |
187 | |
188 | (defun stgit-mode () | |
189 | "Major mode for interacting with StGit. | |
190 | Commands: | |
191 | \\{stgit-mode-map}" | |
192 | (kill-all-local-variables) | |
193 | (buffer-disable-undo) | |
194 | (setq mode-name "StGit" | |
195 | major-mode 'stgit-mode | |
196 | goal-column 2) | |
197 | (use-local-map stgit-mode-map) | |
198 | (set (make-local-variable 'list-buffers-directory) default-directory) | |
6df83d42 | 199 | (set (make-local-variable 'stgit-marked-patches) nil) |
2870f8b8 | 200 | (set-variable 'truncate-lines 't) |
56d81fe5 DK |
201 | (run-hooks 'stgit-mode-hook)) |
202 | ||
6df83d42 DK |
203 | (defun stgit-add-mark (patch) |
204 | (let ((patchsym (intern patch))) | |
205 | (setq stgit-marked-patches (cons patchsym stgit-marked-patches)))) | |
206 | ||
207 | (defun stgit-remove-mark (patch) | |
208 | (let ((patchsym (intern patch))) | |
209 | (setq stgit-marked-patches (delq patchsym stgit-marked-patches)))) | |
210 | ||
e6b1fdae DK |
211 | (defun stgit-clear-marks () |
212 | (setq stgit-marked-patches '())) | |
213 | ||
6df83d42 DK |
214 | (defun stgit-marked-patches () |
215 | "Return the names of the marked patches." | |
216 | (mapcar 'symbol-name stgit-marked-patches)) | |
217 | ||
56d81fe5 DK |
218 | (defun stgit-patch-at-point () |
219 | "Return the patch name on the current line" | |
220 | (save-excursion | |
221 | (beginning-of-line) | |
6df83d42 | 222 | (if (looking-at "[>+-][ *]\\([^ ]*\\)") |
07f464e0 | 223 | (match-string-no-properties 1) |
56d81fe5 DK |
224 | nil))) |
225 | ||
7755d7f1 KH |
226 | (defun stgit-patches-marked-or-at-point () |
227 | "Return the names of the marked patches, or the patch on the current line." | |
228 | (if stgit-marked-patches | |
229 | (stgit-marked-patches) | |
230 | (let ((patch (stgit-patch-at-point))) | |
231 | (if patch | |
232 | (list patch) | |
233 | '())))) | |
234 | ||
56d81fe5 DK |
235 | (defun stgit-goto-patch (patch) |
236 | "Move point to the line containing PATCH" | |
237 | (let ((p (point))) | |
238 | (goto-char (point-min)) | |
6df83d42 | 239 | (if (re-search-forward (concat "^[>+-][ *]" (regexp-quote patch) " ") nil t) |
56d81fe5 DK |
240 | (progn (move-to-column goal-column) |
241 | t) | |
242 | (goto-char p) | |
243 | nil))) | |
244 | ||
1c2426dc DK |
245 | (defun stgit-init () |
246 | "Run stg init" | |
247 | (interactive) | |
248 | (stgit-capture-output nil | |
249 | (stgit-run "init")) | |
1f0bf00f | 250 | (stgit-reload)) |
1c2426dc | 251 | |
6df83d42 DK |
252 | (defun stgit-mark () |
253 | "Mark the patch under point" | |
254 | (interactive) | |
255 | (let ((patch (stgit-patch-at-point))) | |
256 | (stgit-add-mark patch) | |
1f0bf00f | 257 | (stgit-reload)) |
6df83d42 DK |
258 | (next-line)) |
259 | ||
260 | (defun stgit-unmark () | |
261 | "Mark the patch on the previous line" | |
262 | (interactive) | |
263 | (forward-line -1) | |
264 | (let ((patch (stgit-patch-at-point))) | |
265 | (stgit-remove-mark patch) | |
1f0bf00f | 266 | (stgit-reload))) |
6df83d42 | 267 | |
56d81fe5 DK |
268 | (defun stgit-rename (name) |
269 | "Rename the patch under point" | |
270 | (interactive (list (read-string "Patch name: " (stgit-patch-at-point)))) | |
271 | (let ((old-name (stgit-patch-at-point))) | |
272 | (unless old-name | |
273 | (error "No patch on this line")) | |
274 | (stgit-capture-output nil | |
275 | (stgit-run "rename" old-name name)) | |
1f0bf00f | 276 | (stgit-reload) |
56d81fe5 DK |
277 | (stgit-goto-patch name))) |
278 | ||
26201d96 DK |
279 | (defun stgit-repair () |
280 | "Run stg repair" | |
281 | (interactive) | |
282 | (stgit-capture-output nil | |
283 | (stgit-run "repair")) | |
1f0bf00f | 284 | (stgit-reload)) |
26201d96 | 285 | |
c4aad9a7 DK |
286 | (defun stgit-commit () |
287 | "Run stg commit." | |
288 | (interactive) | |
289 | (stgit-capture-output nil (stgit-run "commit")) | |
1f0bf00f | 290 | (stgit-reload)) |
c4aad9a7 DK |
291 | |
292 | (defun stgit-uncommit (arg) | |
293 | "Run stg uncommit. Numeric arg determines number of patches to uncommit." | |
294 | (interactive "p") | |
295 | (stgit-capture-output nil (stgit-run "uncommit" "-n" (number-to-string arg))) | |
1f0bf00f | 296 | (stgit-reload)) |
c4aad9a7 | 297 | |
0b661144 DK |
298 | (defun stgit-push-next (npatches) |
299 | "Push the first unapplied patch. | |
300 | With numeric prefix argument, push that many patches." | |
301 | (interactive "p") | |
302 | (stgit-capture-output nil (stgit-run "push" "-n" | |
303 | (number-to-string npatches))) | |
1f0bf00f | 304 | (stgit-reload)) |
56d81fe5 | 305 | |
0b661144 DK |
306 | (defun stgit-pop-next (npatches) |
307 | "Pop the topmost applied patch. | |
308 | With numeric prefix argument, pop that many patches." | |
309 | (interactive "p") | |
310 | (stgit-capture-output nil (stgit-run "pop" "-n" (number-to-string npatches))) | |
1f0bf00f | 311 | (stgit-reload)) |
56d81fe5 | 312 | |
f9182fca KH |
313 | (defun stgit-applied-at-point () |
314 | "Is the patch on the current line applied?" | |
315 | (save-excursion | |
316 | (beginning-of-line) | |
317 | (looking-at "[>+]"))) | |
318 | ||
319 | (defun stgit-push-or-pop () | |
320 | "Push or pop the patch on the current line" | |
321 | (interactive) | |
322 | (let ((patch (stgit-patch-at-point)) | |
323 | (applied (stgit-applied-at-point))) | |
324 | (stgit-capture-output nil | |
325 | (stgit-run (if applied "pop" "push") patch)) | |
1f0bf00f | 326 | (stgit-reload))) |
f9182fca | 327 | |
c7adf5ef KH |
328 | (defun stgit-goto () |
329 | "Go to the patch on the current line" | |
330 | (interactive) | |
331 | (let ((patch (stgit-patch-at-point))) | |
332 | (stgit-capture-output nil | |
333 | (stgit-run "goto" patch)) | |
1f0bf00f | 334 | (stgit-reload))) |
c7adf5ef | 335 | |
56d81fe5 DK |
336 | (defun stgit-show () |
337 | "Show the patch on the current line" | |
338 | (interactive) | |
339 | (stgit-capture-output "*StGit patch*" | |
340 | (stgit-run "show" (stgit-patch-at-point)) | |
341 | (with-current-buffer standard-output | |
342 | (goto-char (point-min)) | |
343 | (diff-mode)))) | |
0663524d | 344 | |
0bca35c8 DK |
345 | (defun stgit-edit () |
346 | "Edit the patch on the current line" | |
347 | (interactive) | |
8ae7dc9d | 348 | (let ((patch (stgit-patch-at-point)) |
0780be79 | 349 | (edit-buf (get-buffer-create "*StGit edit*")) |
0bca35c8 DK |
350 | (dir default-directory)) |
351 | (log-edit 'stgit-confirm-edit t nil edit-buf) | |
352 | (set (make-local-variable 'stgit-edit-patch) patch) | |
353 | (setq default-directory dir) | |
354 | (let ((standard-output edit-buf)) | |
9aecd505 | 355 | (stgit-run-silent "edit" "--save-template=-" patch)))) |
0bca35c8 DK |
356 | |
357 | (defun stgit-confirm-edit () | |
358 | (interactive) | |
359 | (let ((file (make-temp-file "stgit-edit-"))) | |
360 | (write-region (point-min) (point-max) file) | |
361 | (stgit-capture-output nil | |
362 | (stgit-run "edit" "-f" file stgit-edit-patch)) | |
363 | (with-current-buffer log-edit-parent-buffer | |
1f0bf00f | 364 | (stgit-reload)))) |
0bca35c8 | 365 | |
64c097a0 DK |
366 | (defun stgit-new () |
367 | "Create a new patch" | |
368 | (interactive) | |
0780be79 | 369 | (let ((edit-buf (get-buffer-create "*StGit edit*"))) |
64c097a0 DK |
370 | (log-edit 'stgit-confirm-new t nil edit-buf))) |
371 | ||
372 | (defun stgit-confirm-new () | |
373 | (interactive) | |
27b0f9e4 | 374 | (let ((file (make-temp-file "stgit-edit-"))) |
64c097a0 DK |
375 | (write-region (point-min) (point-max) file) |
376 | (stgit-capture-output nil | |
27b0f9e4 | 377 | (stgit-run "new" "-f" file)) |
64c097a0 | 378 | (with-current-buffer log-edit-parent-buffer |
1f0bf00f | 379 | (stgit-reload)))) |
64c097a0 DK |
380 | |
381 | (defun stgit-create-patch-name (description) | |
382 | "Create a patch name from a long description" | |
383 | (let ((patch "")) | |
384 | (while (> (length description) 0) | |
385 | (cond ((string-match "\\`[a-zA-Z_-]+" description) | |
386 | (setq patch (downcase (concat patch (match-string 0 description)))) | |
387 | (setq description (substring description (match-end 0)))) | |
388 | ((string-match "\\` +" description) | |
389 | (setq patch (concat patch "-")) | |
390 | (setq description (substring description (match-end 0)))) | |
391 | ((string-match "\\`[^a-zA-Z_-]+" description) | |
392 | (setq description (substring description (match-end 0)))))) | |
393 | (cond ((= (length patch) 0) | |
394 | "patch") | |
395 | ((> (length patch) 20) | |
396 | (substring patch 0 20)) | |
397 | (t patch)))) | |
0bca35c8 | 398 | |
7755d7f1 KH |
399 | (defun stgit-delete (patch-names) |
400 | "Delete the named patches" | |
401 | (interactive (list (stgit-patches-marked-or-at-point))) | |
402 | (if (zerop (length patch-names)) | |
403 | (error "No patches to delete") | |
404 | (when (yes-or-no-p (format "Really delete %d patches? " | |
405 | (length patch-names))) | |
406 | (stgit-capture-output nil | |
407 | (apply 'stgit-run "delete" patch-names)) | |
1f0bf00f | 408 | (stgit-reload)))) |
7755d7f1 | 409 | |
ea0def18 DK |
410 | (defun stgit-coalesce (patch-names) |
411 | "Run stg coalesce on the named patches" | |
412 | (interactive (list (stgit-marked-patches))) | |
0780be79 | 413 | (let ((edit-buf (get-buffer-create "*StGit edit*")) |
ea0def18 DK |
414 | (dir default-directory)) |
415 | (log-edit 'stgit-confirm-coalesce t nil edit-buf) | |
416 | (set (make-local-variable 'stgit-patches) patch-names) | |
417 | (setq default-directory dir) | |
418 | (let ((standard-output edit-buf)) | |
9aecd505 | 419 | (apply 'stgit-run-silent "coalesce" "--save-template=-" patch-names)))) |
ea0def18 DK |
420 | |
421 | (defun stgit-confirm-coalesce () | |
422 | (interactive) | |
423 | (let ((file (make-temp-file "stgit-edit-"))) | |
424 | (write-region (point-min) (point-max) file) | |
425 | (stgit-capture-output nil | |
426 | (apply 'stgit-run "coalesce" "-f" file stgit-patches)) | |
427 | (with-current-buffer log-edit-parent-buffer | |
e6b1fdae DK |
428 | (stgit-clear-marks) |
429 | ;; Go to first marked patch and stay there | |
430 | (goto-char (point-min)) | |
431 | (re-search-forward (concat "^[>+-]\\*") nil t) | |
432 | (move-to-column goal-column) | |
433 | (let ((pos (point))) | |
1f0bf00f | 434 | (stgit-reload) |
e6b1fdae | 435 | (goto-char pos))))) |
ea0def18 | 436 | |
0663524d KH |
437 | (defun stgit-help () |
438 | "Display help for the StGit mode." | |
439 | (interactive) | |
440 | (describe-function 'stgit-mode)) | |
3a59f3db | 441 | |
83e51dbf DK |
442 | (defun stgit-undo (&optional arg) |
443 | "Run stg undo. | |
444 | With prefix argument, run it with the --hard flag." | |
445 | (interactive "P") | |
446 | (stgit-capture-output nil | |
447 | (if arg | |
448 | (stgit-run "undo" "--hard") | |
449 | (stgit-run "undo"))) | |
1f0bf00f | 450 | (stgit-reload)) |
83e51dbf | 451 | |
4d73c4d8 DK |
452 | (defun stgit-refresh (&optional arg) |
453 | "Run stg refresh. | |
454 | With prefix argument, refresh the patch under point." | |
455 | (interactive "P") | |
456 | (let ((patchargs (if arg | |
457 | (let ((patches (stgit-patches-marked-or-at-point))) | |
458 | (cond ((null patches) | |
459 | (error "no patch to update")) | |
460 | ((> (length patches) 1) | |
461 | (error "too many patches selected")) | |
462 | (t | |
463 | (cons "-p" patches)))) | |
464 | nil))) | |
465 | (stgit-capture-output nil | |
466 | (apply 'stgit-run "refresh" patchargs))) | |
467 | (stgit-reload)) | |
468 | ||
3a59f3db | 469 | (provide 'stgit) |