Fix permissions handling (CVE-2010-0825).
[emacs.git] / lisp / pcvs-defs.el
bloba49cd2f1ab1c08bba2bf46d2ee56b903a41a485c
1 ;;; pcvs-defs.el --- variable definitions for PCL-CVS
3 ;; Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 ;; 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
5 ;; Free Software Foundation, Inc.
7 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
8 ;; Keywords: pcl-cvs
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software: you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation, either version 3 of the License, or
15 ;; (at your option) any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 ;;; Commentary:
28 ;;; Code:
30 (eval-when-compile (require 'cl))
31 (require 'pcvs-util)
33 ;;;; -------------------------------------------------------
34 ;;;; START OF THINGS TO CHECK WHEN INSTALLING
36 (defvar cvs-program "cvs"
37 "*Name or full path of the cvs executable.")
39 (defvar cvs-version
40 ;; With the divergence of the CVSNT codebase and version numbers, this is
41 ;; not really good any more.
42 (ignore-errors
43 (with-temp-buffer
44 (call-process cvs-program nil t nil "-v")
45 (goto-char (point-min))
46 (when (re-search-forward "(CVS\\(NT\\)?) \\([0-9]+\\)\\.\\([0-9]+\\)"
47 nil t)
48 (cons (string-to-number (match-string 1))
49 (string-to-number (match-string 2))))))
50 "*Version of `cvs' installed on your system.
51 It must be in the (MAJOR . MINOR) format.")
53 ;; FIXME: this is only used by cvs-mode-diff-backup
54 (defvar cvs-diff-program (or (and (boundp 'diff-command) diff-command) "diff")
55 "*Name or full path of the best diff program you've got.
56 NOTE: there are some nasty bugs in the context diff variants of some vendor
57 versions, such as the one in SunOS-4.")
59 ;;;; END OF THINGS TO CHECK WHEN INSTALLING
60 ;;;; --------------------------------------------------------
62 ;;;;
63 ;;;; User configuration variables:
64 ;;;;
65 ;;;; NOTE: these should be set in your ~/.emacs (or site-lisp/default.el) file.
66 ;;;;
68 (defgroup pcl-cvs nil
69 "Special support for the CVS versioning system."
70 :version "21.1"
71 :group 'tools
72 :prefix "cvs-")
75 ;; cvsrc options
78 (defcustom cvs-cvsrc-file (convert-standard-filename "~/.cvsrc")
79 "Path to your cvsrc file."
80 :group 'pcl-cvs
81 :type '(file))
83 (defvar cvs-shared-start 4
84 "Index of the first shared flag.
85 If set to 4, for instance, a numeric argument smaller than 4 will
86 select a non-shared flag, while a numeric argument greater than 3
87 will select a shared-flag.")
89 (defvar cvs-shared-flags (make-list cvs-shared-start nil)
90 "List of flags whose settings is shared among several commands.")
92 (defvar cvs-cvsroot nil
93 "*Specifies where the (current) cvs master repository is.
94 Overrides the environment variable $CVSROOT by sending \" -d dir\" to
95 all CVS commands. This switch is useful if you have multiple CVS
96 repositories. It can be set interactively with \\[cvs-change-cvsroot.]
97 There is no need to set this if $CVSROOT is set to a correct value.")
99 (defcustom cvs-auto-remove-handled nil
100 "If up-to-date files should be acknowledged automatically.
101 If T, they will be removed from the *cvs* buffer after every command.
102 If DELAYED, they will be removed from the *cvs* buffer before every command.
103 If STATUS, they will only be removed after a `cvs-mode-status' command.
104 Else, they will never be automatically removed from the *cvs* buffer."
105 :group 'pcl-cvs
106 :type '(choice (const nil) (const status) (const delayed) (const t)))
108 (defcustom cvs-auto-remove-directories 'handled
109 "If ALL, directory entries will never be shown.
110 If HANDLED, only non-handled directories will be shown.
111 If EMPTY, only non-empty directories will be shown."
112 :group 'pcl-cvs
113 :type '(choice (const :tag "No" nil) (const all) (const handled) (const empty)))
115 (defcustom cvs-auto-revert t
116 "Non-nil if changed files should automatically be reverted."
117 :group 'pcl-cvs
118 :type '(boolean))
120 (defcustom cvs-sort-ignore-file t
121 "Non-nil if `cvs-mode-ignore' should sort the .cvsignore automatically."
122 :group 'pcl-cvs
123 :type '(boolean))
125 (defcustom cvs-force-dir-tag t
126 "If non-nil, tagging can only be applied to directories.
127 Tagging should generally be applied a directory at a time, but sometimes it is
128 useful to be able to tag a single file. The normal way to do that is to use
129 `cvs-mode-force-command' so as to temporarily override the restrictions,"
130 :group 'pcl-cvs
131 :type '(boolean))
133 (defcustom cvs-default-ignore-marks nil
134 "Non-nil if cvs mode commands should ignore any marked files.
135 Normally they run on the files that are marked (with `cvs-mode-mark'),
136 or the file under the cursor if no files are marked. If this variable
137 is set to a non-nil value they will by default run on the file on the
138 current line. See also `cvs-invert-ignore-marks'"
139 :group 'pcl-cvs
140 :type '(boolean))
142 (defvar cvs-diff-ignore-marks t)
143 (make-obsolete-variable 'cvs-diff-ignore-marks
144 'cvs-invert-ignore-marks
145 "21.1")
147 (defcustom cvs-invert-ignore-marks
148 (let ((l ()))
149 (unless (equal cvs-diff-ignore-marks cvs-default-ignore-marks)
150 (push "diff" l))
151 (when (and cvs-force-dir-tag (not cvs-default-ignore-marks))
152 (push "tag" l))
154 "List of cvs commands that invert the default ignore-mark behavior.
155 Commands in this set will use the opposite default from the one set
156 in `cvs-default-ignore-marks'."
157 :group 'pcl-cvs
158 :type '(set (const "diff")
159 (const "tag")
160 (const "ignore")))
162 (defcustom cvs-confirm-removals t
163 "Ask for confirmation before removing files.
164 Non-nil means that PCL-CVS will ask confirmation before removing files
165 except for files whose content can readily be recovered from the repository.
166 A value of `list' means that the list of files to be deleted will be
167 displayed when asking for confirmation."
168 :group 'pcl-cvs
169 :type '(choice (const list)
170 (const t)
171 (const nil)))
173 (defcustom cvs-add-default-message nil
174 "Default message to use when adding files.
175 If set to nil, `cvs-mode-add' will always prompt for a message."
176 :group 'pcl-cvs
177 :type '(choice (const :tag "Prompt" nil)
178 (string)))
180 (defvar cvs-diff-buffer-name "*cvs-diff*")
181 (make-obsolete-variable 'cvs-diff-buffer-name
182 'cvs-buffer-name-alist
183 "21.1")
185 (defcustom cvs-find-file-and-jump nil
186 "Jump to the modified area when finding a file.
187 If non-nil, `cvs-mode-file-file' will place the cursor at the beginning of
188 the modified area. If the file is not locally modified, this will obviously
189 have no effect."
190 :group 'pcl-cvs
191 :type '(boolean))
193 (defcustom cvs-buffer-name-alist
194 '(("diff" cvs-diff-buffer-name diff-mode)
195 ("status" "*cvs-info*" cvs-status-mode)
196 ("tree" "*cvs-info*" cvs-status-mode)
197 ("message" "*cvs-commit*" nil log-edit)
198 ("log" "*cvs-info*" log-view-mode))
199 "Buffer name and mode to be used for each command.
200 This is a list of elements of the form
202 (CMD BUFNAME MODE &optional POSTPROC)
204 CMD is the name of the command.
205 BUFNAME is an expression that should evaluate to a string used as
206 a buffer name. It can use the variable CMD if it wants to.
207 MODE is the command to use to setup the buffer.
208 POSTPROC is a function that should be executed when the command terminates
210 The CMD used for `cvs-mode-commit' is \"message\". For that special
211 case, POSTPROC is called just after MODE with special arguments."
212 :group 'pcl-cvs
213 :type '(repeat
214 (list (choice (const "diff")
215 (const "status")
216 (const "tree")
217 (const "message")
218 (const "log")
219 (string))
220 (choice (const "*vc-diff*")
221 (const "*cvs-info*")
222 (const "*cvs-commit*")
223 (const (expand-file-name "*cvs-commit*"))
224 (const (format "*cvs-%s*" cmd))
225 (const (expand-file-name (format "*cvs-%s*" cmd)))
226 (sexp :value "my-cvs-info-buffer")
227 (const nil))
228 (choice (function-item diff-mode)
229 (function-item cvs-edit-mode)
230 (function-item cvs-status-mode)
231 function
232 (const nil))
233 (set :inline t
234 (choice (function-item cvs-status-cvstrees)
235 (function-item cvs-status-trees)
236 function)))))
238 (defvar cvs-buffer-name '(expand-file-name "*cvs*" dir) ;; "*cvs*"
239 "Name of the cvs buffer.
240 This expression will be evaluated in an environment where DIR is set to
241 the directory name of the cvs buffer.")
243 (defvar cvs-temp-buffer-name
244 ;; Was '(expand-file-name " *cvs-tmp*" dir), but that causes them to
245 ;; become non-hidden if uniquification is done `forward'.
246 " *cvs-tmp*"
247 "*Name of the cvs temporary buffer.
248 Output from cvs is placed here for asynchronous commands.")
250 (defcustom cvs-idiff-imerge-handlers
251 (if (fboundp 'ediff)
252 '(cvs-ediff-diff . cvs-ediff-merge)
253 '(cvs-emerge-diff . cvs-emerge-merge))
254 "Pair of functions to be used for resp. diff'ing and merg'ing interactively."
255 :group 'pcl-cvs
256 :type '(choice (const :tag "Ediff" (cvs-ediff-diff . cvs-ediff-merge))
257 (const :tag "Emerge" (cvs-emerge-diff . cvs-emerge-merge))))
259 (defvar cvs-mode-hook nil
260 "Run after `cvs-mode' was setup.")
263 ;;;;
264 ;;;; Internal variables, used in the process buffer.
265 ;;;;
267 (defvar cvs-postprocess nil
268 "(Buffer local) what to do once the process exits.")
270 ;;;;
271 ;;;; Internal variables for the *cvs* buffer.
272 ;;;;
274 (defcustom cvs-reuse-cvs-buffer 'subdir
275 "When to reuse an existing cvs buffer.
276 Alternatives are:
277 CURRENT: just reuse the current buffer if it is a cvs buffer
278 SAMEDIR: reuse any cvs buffer displaying the same directory
279 SUBDIR: or reuse any cvs buffer displaying any sub- or super- directory
280 ALWAYS: reuse any cvs buffer."
281 :group 'pcl-cvs
282 :type '(choice (const always) (const subdir) (const samedir) (const current)))
284 (defvar cvs-temp-buffer nil
285 "(Buffer local) The temporary buffer associated with this *cvs* buffer.")
287 (defvar cvs-lock-file nil
288 "Full path to a lock file that CVS is waiting for (or was waiting for).
289 This variable is buffer local and only used in the *cvs* buffer.")
291 (defvar cvs-lock-file-regexp "^#cvs\\.\\([trw]fl\\.[-.a-z0-9]+\\|lock\\)\\'"
292 "Regexp matching the possible names of locks in the CVS repository.")
294 (defconst cvs-cursor-column 22
295 "Column to position cursor in in `cvs-mode'.")
297 ;;;;
298 ;;;; Global internal variables
299 ;;;;
301 (defconst cvs-vendor-branch "1.1.1"
302 "The default branch used by CVS for vendor code.")
304 (easy-mmode-defmap cvs-mode-diff-map
305 '(("E" "imerge" . cvs-mode-imerge)
306 ("=" . cvs-mode-diff)
307 ("e" "idiff" . cvs-mode-idiff)
308 ("2" "other" . cvs-mode-idiff-other)
309 ("d" "diff" . cvs-mode-diff)
310 ("b" "backup" . cvs-mode-diff-backup)
311 ("h" "head" . cvs-mode-diff-head)
312 ("r" "repository" . cvs-mode-diff-repository)
313 ("y" "yesterday" . cvs-mode-diff-yesterday)
314 ("v" "vendor" . cvs-mode-diff-vendor))
315 "Keymap for diff-related operations in `cvs-mode'."
316 :name "Diff")
317 ;; This is necessary to allow correct handling of \\[cvs-mode-diff-map]
318 ;; in substitute-command-keys.
319 (fset 'cvs-mode-diff-map cvs-mode-diff-map)
321 (easy-mmode-defmap cvs-mode-map
322 ;;(define-prefix-command 'cvs-mode-map-diff-prefix)
323 ;;(define-prefix-command 'cvs-mode-map-control-c-prefix)
324 '(;; various
325 ;; (undo . cvs-mode-undo)
326 ("?" . cvs-help)
327 ("h" . cvs-help)
328 ("q" . cvs-bury-buffer)
329 ("z" . kill-this-buffer)
330 ("F" . cvs-mode-set-flags)
331 ;; ("\M-f" . cvs-mode-force-command)
332 ("!" . cvs-mode-force-command)
333 ("\C-c\C-c" . cvs-mode-kill-process)
334 ;; marking
335 ("m" . cvs-mode-mark)
336 ("M" . cvs-mode-mark-all-files)
337 ("S" . cvs-mode-mark-on-state)
338 ("u" . cvs-mode-unmark)
339 ("\C-?". cvs-mode-unmark-up)
340 ("%" . cvs-mode-mark-matching-files)
341 ("T" . cvs-mode-toggle-marks)
342 ("\M-\C-?" . cvs-mode-unmark-all-files)
343 ;; navigation keys
344 (" " . cvs-mode-next-line)
345 ("n" . cvs-mode-next-line)
346 ("p" . cvs-mode-previous-line)
347 ("\t" . cvs-mode-next-line)
348 ([backtab] . cvs-mode-previous-line)
349 ;; M- keys are usually those that operate on modules
350 ;;("\M-C". cvs-mode-rcs2log) ; i.e. "Create a ChangeLog"
351 ;;("\M-t". cvs-rtag)
352 ;;("\M-l". cvs-rlog)
353 ("\M-c". cvs-checkout)
354 ("\M-e". cvs-examine)
355 ("g" . cvs-mode-revert-buffer)
356 ("\M-u". cvs-update)
357 ("\M-s". cvs-status)
358 ;; diff commands
359 ("=" . cvs-mode-diff)
360 ("d" . cvs-mode-diff-map)
361 ;; keys that operate on individual files
362 ("\C-k" . cvs-mode-acknowledge)
363 ("A" . cvs-mode-add-change-log-entry-other-window)
364 ;;("B" . cvs-mode-byte-compile-files)
365 ("C" . cvs-mode-commit-setup)
366 ("O" . cvs-mode-update)
367 ("U" . cvs-mode-undo)
368 ("I" . cvs-mode-insert)
369 ("a" . cvs-mode-add)
370 ("b" . cvs-set-branch-prefix)
371 ("B" . cvs-set-secondary-branch-prefix)
372 ("c" . cvs-mode-commit)
373 ("e" . cvs-mode-examine)
374 ("f" . cvs-mode-find-file)
375 ("\C-m" . cvs-mode-find-file)
376 ("i" . cvs-mode-ignore)
377 ("l" . cvs-mode-log)
378 ("o" . cvs-mode-find-file-other-window)
379 ("r" . cvs-mode-remove)
380 ("s" . cvs-mode-status)
381 ("t" . cvs-mode-tag)
382 ("v" . cvs-mode-view-file)
383 ("x" . cvs-mode-remove-handled)
384 ;; cvstree bindings
385 ("+" . cvs-mode-tree)
386 ;; mouse bindings
387 ([mouse-2] . cvs-mode-find-file)
388 ([follow-link] . (lambda (pos)
389 (if (eq (get-char-property pos 'face) 'cvs-filename) t)))
390 ([(down-mouse-3)] . cvs-menu)
391 ;; dired-like bindings
392 ("\C-o" . cvs-mode-display-file)
393 ;; Emacs-21 toolbar
394 ;;([tool-bar item1] . (menu-item "Examine" cvs-examine :image (image :file "/usr/share/icons/xpaint.xpm" :type xpm)))
395 ;;([tool-bar item2] . (menu-item "Update" cvs-update :image (image :file "/usr/share/icons/mail1.xpm" :type xpm)))
397 "Keymap for `cvs-mode'."
398 :dense t
399 :suppress t)
401 (fset 'cvs-mode-map cvs-mode-map)
403 (easy-menu-define cvs-menu cvs-mode-map "Menu used in `cvs-mode'."
404 '("CVS"
405 ["Open file" cvs-mode-find-file t]
406 ["Open in other window" cvs-mode-find-file-other-window t]
407 ["Display in other window" cvs-mode-display-file t]
408 ["Interactive merge" cvs-mode-imerge t]
409 ("View diff"
410 ["Interactive diff" cvs-mode-idiff t]
411 ["Current diff" cvs-mode-diff t]
412 ["Diff with head" cvs-mode-diff-head t]
413 ["Diff with vendor" cvs-mode-diff-vendor t]
414 ["Diff against yesterday" cvs-mode-diff-yesterday t]
415 ["Diff with backup" cvs-mode-diff-backup t])
416 ["View log" cvs-mode-log t]
417 ["View status" cvs-mode-status t]
418 ["View tag tree" cvs-mode-tree t]
419 "----"
420 ["Insert" cvs-mode-insert]
421 ["Update" cvs-mode-update (cvs-enabledp 'update)]
422 ["Re-examine" cvs-mode-examine t]
423 ["Commit" cvs-mode-commit-setup (cvs-enabledp 'commit)]
424 ["Tag" cvs-mode-tag (cvs-enabledp (when cvs-force-dir-tag 'tag))]
425 ["Undo changes" cvs-mode-undo (cvs-enabledp 'undo)]
426 ["Add" cvs-mode-add (cvs-enabledp 'add)]
427 ["Remove" cvs-mode-remove (cvs-enabledp 'remove)]
428 ["Ignore" cvs-mode-ignore (cvs-enabledp 'ignore)]
429 ["Add ChangeLog" cvs-mode-add-change-log-entry-other-window t]
430 "----"
431 ["Mark" cvs-mode-mark t]
432 ["Mark all" cvs-mode-mark-all-files t]
433 ["Mark by regexp..." cvs-mode-mark-matching-files t]
434 ["Mark by state..." cvs-mode-mark-on-state t]
435 ["Unmark" cvs-mode-unmark t]
436 ["Unmark all" cvs-mode-unmark-all-files t]
437 ["Hide handled" cvs-mode-remove-handled t]
438 "----"
439 ["PCL-CVS Manual" (lambda () (interactive)
440 (info "(pcl-cvs)Top")) t]
441 "----"
442 ["Quit" cvs-mode-quit t]))
444 ;;;;
445 ;;;; CVS-Minor mode
446 ;;;;
448 (defcustom cvs-minor-mode-prefix "\C-xc"
449 "Prefix key for the `cvs-mode' bindings in `cvs-minor-mode'."
450 :group 'pcl-cvs)
452 (easy-mmode-defmap cvs-minor-mode-map
453 `((,cvs-minor-mode-prefix . cvs-mode-map)
454 ("e" . (menu-item nil cvs-mode-edit-log
455 :filter (lambda (x) (if (derived-mode-p 'log-view-mode) x)))))
456 "Keymap for `cvs-minor-mode', used in buffers related to PCL-CVS.")
458 (defvar cvs-buffer nil
459 "(Buffer local) The *cvs* buffer associated with this buffer.")
460 (put 'cvs-buffer 'permanent-local t)
461 ;;(make-variable-buffer-local 'cvs-buffer)
463 (defvar cvs-minor-wrap-function nil
464 "Function to call when switching to the *cvs* buffer.
465 Takes two arguments:
466 - a *cvs* buffer.
467 - a zero-arg function which is guaranteed not to switch buffer.
468 It is expected to call the function.")
469 ;;(make-variable-buffer-local 'cvs-minor-wrap-function)
471 (defvar cvs-minor-current-files)
472 ;;"Current files in a `cvs-minor-mode' buffer."
473 ;; This should stay `void' because we want to be able to tell the difference
474 ;; between an empty list and no list at all.
476 (defconst cvs-pcl-cvs-dirchange-re "^pcl-cvs: descending directory \\(.*\\)$")
478 ;;;;
479 ;;;; autoload the global menu
480 ;;;;
482 ;;;###autoload
483 (defvar cvs-global-menu
484 (let ((m (make-sparse-keymap "PCL-CVS")))
485 (define-key m [status]
486 `(menu-item ,(purecopy "Directory Status") cvs-status
487 :help ,(purecopy "A more verbose status of a workarea")))
488 (define-key m [checkout]
489 `(menu-item ,(purecopy "Checkout Module") cvs-checkout
490 :help ,(purecopy "Check out a module from the repository")))
491 (define-key m [update]
492 `(menu-item ,(purecopy "Update Directory") cvs-update
493 :help ,(purecopy "Fetch updates from the repository")))
494 (define-key m [examine]
495 `(menu-item ,(purecopy "Examine Directory") cvs-examine
496 :help ,(purecopy "Examine the current state of a workarea")))
497 (fset 'cvs-global-menu m)))
500 ;; cvs-1.10 and above can take file arguments in other directories
501 ;; while others need to be executed once per directory
502 (defvar cvs-execute-single-dir
503 (if (or (null cvs-version)
504 (or (>= (cdr cvs-version) 10) (> (car cvs-version) 1)))
505 ;; Supposedly some recent versions of CVS output some directory info
506 ;; as they recurse downthe tree, but it's not good enough in the case
507 ;; where we run "cvs status foo bar/foo".
508 '("status")
510 "Whether cvs commands should be executed a directory at a time.
511 If a list, specifies for which commands the single-dir mode should be used.
512 If T, single-dir mode should be used for all operations.
514 CVS versions before 1.10 did not allow passing them arguments in different
515 directories, so pcl-cvs checks what version you're using to determine
516 whether to use the new feature or not.
517 Sadly, even with a new cvs executable, if you connect to an older cvs server
518 \(typically a cvs-1.9 on the server), the old restriction applies. In such
519 a case the sanity check made by pcl-cvs fails and you will have to manually
520 set this variable to t (until the cvs server is upgraded).
521 When the above problem occurs, pcl-cvs should (hopefully) catch cvs' error
522 message and replace it with a message telling you to change this variable.")
525 (provide 'pcvs-defs)
527 ;; arch-tag: c7c701d0-d1d4-4aa9-a302-007bb03aca5e
528 ;;; pcvs-defs.el ends here