;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; new functions when we reload this file.
(put 'CVS 'vc-functions nil)
+;;; Properties of the backend.
+
+(defun vc-cvs-revision-granularity () 'file)
+
+(defun vc-cvs-checkout-model (files)
+ "CVS-specific version of `vc-checkout-model'."
+ (if (getenv "CVSREAD")
+ 'announce
+ (let* ((file (if (consp files) (car files) files))
+ (attrib (file-attributes file)))
+ (or (vc-file-getprop file 'vc-checkout-model)
+ (vc-file-setprop
+ file 'vc-checkout-model
+ (if (and attrib ;; don't check further if FILE doesn't exist
+ ;; If the file is not writable (despite CVSREAD being
+ ;; undefined), this is probably because the file is being
+ ;; "watched" by other developers.
+ ;; (If vc-mistrust-permissions was t, we actually shouldn't
+ ;; trust this, but there is no other way to learn this from
+ ;; CVS at the moment (version 1.9).)
+ (string-match "r-..-..-." (nth 8 attrib)))
+ 'announce
+ 'implicit))))))
+
;;;
;;; Customization options
;;;
;; make sure that the file name is searched case-sensitively
(case-fold-search nil))
(if (file-readable-p (expand-file-name "CVS/Entries" dirname))
- (with-temp-buffer
- (vc-cvs-get-entries dirname)
- (goto-char (point-min))
- (cond
- ((re-search-forward
- ;; CVS-removed files are not taken under VC control.
- (concat "^/" (regexp-quote basename) "/[^/-]") nil t)
- (beginning-of-line)
- (vc-cvs-parse-entry file)
- t)
- (t nil)))
+ (or (string= basename "")
+ (with-temp-buffer
+ (vc-cvs-get-entries dirname)
+ (goto-char (point-min))
+ (cond ((re-search-forward
+ (concat "^/" (regexp-quote basename) "/[^/]") nil t)
+ (beginning-of-line)
+ (vc-cvs-parse-entry file)
+ t)
+ (t nil))))
nil)))
(defun vc-cvs-state (file)
(cond
((equal checkout-time lastmod) 'up-to-date)
((string= (vc-working-revision file) "0") 'added)
+ ((null checkout-time) 'unregistered)
(t 'edited))))
-(defun vc-cvs-dir-state (dir)
- "Find the CVS state of all files in DIR and subdirectories."
- ;; if DIR is not under CVS control, don't do anything.
- (when (file-readable-p (expand-file-name "CVS/Entries" dir))
- (if (vc-stay-local-p dir)
- (vc-cvs-dir-state-heuristic dir)
- (let ((default-directory dir))
- ;; Don't specify DIR in this command, the default-directory is
- ;; enough. Otherwise it might fail with remote repositories.
- (with-temp-buffer
- (buffer-disable-undo) ;; Because these buffers can get huge
- (vc-cvs-command t 0 nil "status")
- (goto-char (point-min))
- (while (re-search-forward "^=+\n\\([^=\n].*\n\\|\n\\)+" nil t)
- (narrow-to-region (match-beginning 0) (match-end 0))
- (vc-cvs-parse-status)
- (goto-char (point-max))
- (widen)))))))
-
(defun vc-cvs-working-revision (file)
"CVS-specific version of `vc-working-revision'."
;; There is no need to consult RCS headers under CVS, because we
(vc-cvs-registered file)
(vc-file-getprop file 'vc-working-revision))
-(defun vc-cvs-checkout-model (file)
- "CVS-specific version of `vc-checkout-model'."
- (if (getenv "CVSREAD")
- 'announce
- (let ((attrib (file-attributes file)))
- (if (and attrib ;; don't check further if FILE doesn't exist
- ;; If the file is not writable (despite CVSREAD being
- ;; undefined), this is probably because the file is being
- ;; "watched" by other developers.
- ;; (If vc-mistrust-permissions was t, we actually shouldn't
- ;; trust this, but there is no other way to learn this from CVS
- ;; at the moment (version 1.9).)
- (string-match "r-..-..-." (nth 8 attrib)))
- 'announce
- 'implicit))))
-
(defun vc-cvs-mode-line-string (file)
"Return string for placement into the modeline for FILE.
Compared to the default implementation, this function does two things:
help-echo
(string
(let ((def-ml (vc-default-mode-line-string 'CVS file)))
- (setq help-echo
+ (setq help-echo
(get-text-property 0 'help-echo def-ml))
def-ml)))
- (propertize
+ (propertize
(if (zerop (length sticky-tag))
string
- (setq help-echo (format "%s on the '%s' branch"
+ (setq help-echo (format "%s on the '%s' branch"
help-echo sticky-tag))
(concat string "[" sticky-tag "]"))
'help-echo help-echo)))
(vc-file-setprop
(car files) 'vc-working-revision
(vc-parse-buffer "^\\(new\\|initial\\) revision: \\([0-9.]+\\)" 2))
- (mapc (lambda (file) (vc-file-clearprops file)) files))
+ (mapc 'vc-file-clearprops files))
;; Anyway, forget the checkout model of the file, because we might have
;; guessed wrong when we found the file. After commit, we can
;; tell it from the permissions of the file (see
(if (and (file-exists-p file) (not rev))
;; If no revision was specified, just make the file writable
;; if necessary (using `cvs-edit' if requested).
- (and editable (not (eq (vc-cvs-checkout-model file) 'implicit))
+ (and editable (not (eq (vc-cvs-checkout-model (list file)) 'implicit))
(if vc-cvs-use-edit
(vc-cvs-command nil 0 file "edit")
(set-file-modes file (logior (file-modes file) 128))
(message "Checking out %s...done" file))
(defun vc-cvs-delete-file (file)
- (vc-cvs-command nil 0 file "remove" "-f")
- (vc-cvs-command nil 0 file "commit" "-mRemoved."))
+ (vc-cvs-command nil 0 file "remove" "-f"))
(defun vc-cvs-revert (file &optional contents-done)
"Revert FILE to the working revision on which it was based."
(vc-default-revert 'CVS file contents-done)
- (unless (eq (vc-checkout-model file) 'implicit)
+ (unless (eq (vc-cvs-checkout-model (list file)) 'implicit)
(if vc-cvs-use-edit
(vc-cvs-command nil 0 file "unedit")
;; Make the file read-only by switching off all w-bits
(with-current-buffer (get-buffer "*vc*")
(goto-char (point-min))
(if (re-search-forward "conflicts during merge" nil t)
- 1 ; signal error
- 0))) ; signal success
+ (progn
+ (vc-file-setprop file 'vc-state 'conflict)
+ ;; signal error
+ 1)
+ (vc-file-setprop file 'vc-state 'edited)
+ ;; signal success
+ 0)))
(defun vc-cvs-merge-news (file)
"Merge in any new changes made to FILE."
0);; indicate success to the caller
;; Conflicts detected!
(t
- (vc-file-setprop file 'vc-state 'edited)
+ (vc-file-setprop file 'vc-state 'conflict)
1);; signal the error to the caller
)
(pop-to-buffer "*vc*")
(message "Merging changes into %s...done" file))))
(defun vc-cvs-modify-change-comment (files rev comment)
- "Modify the change comments for FILES on a specified REV.
+ "Modify the change comments for FILES on a specified REV.
Will fail unless you have administrative privileges on the repo."
- (vc-cvs-command nil 0 files "rcs" (concat "-m" comment ":" rev)))
+ (vc-cvs-command nil 0 files "admin" (concat "-m" rev ":" comment)))
;;;
;;; History functions
(if (vc-stay-local-p files) 'async 0)
files "log"))
-(defun vc-cvs-wash-log ()
- "Remove all non-comment information from log output."
- (vc-call-backend 'RCS 'wash-log)
- nil)
+(defun vc-cvs-comment-history (file)
+ "Get comment history of a file."
+ (vc-call-backend 'RCS 'comment-history file))
(defun vc-cvs-diff (files &optional oldvers newvers buffer)
"Get a difference report using CVS between two revisions of FILE."
(vc-switches 'CVS 'diff))))
(if async 1 status))) ; async diff, pessimistic assumption
-
-(defun vc-cvs-diff-tree (dir &optional rev1 rev2)
- "Diff all files at and below DIR."
- (with-current-buffer "*vc-diff*"
- (setq default-directory dir)
- (if (vc-stay-local-p dir)
- ;; local diff: do it filewise, and only for files that are modified
- (vc-file-tree-walk
- dir
- (lambda (f)
- (vc-exec-after
- `(let ((coding-system-for-read (vc-coding-system-for-diff ',f)))
- ;; possible optimization: fetch the state of all files
- ;; in the tree via vc-cvs-dir-state-heuristic
- (unless (vc-up-to-date-p ',f)
- (message "Looking at %s" ',f)
- (vc-diff-internal ',f ',rev1 ',rev2))))))
- ;; cvs diff: use a single call for the entire tree
- (let ((coding-system-for-read
- (or coding-system-for-read 'undecided)))
- (apply 'vc-cvs-command "*vc-diff*" 1 nil "diff"
- (and rev1 (concat "-r" rev1))
- (and rev2 (concat "-r" rev2))
- (vc-switches 'CVS 'diff))))))
-
(defconst vc-cvs-annotate-first-line-re "^[0-9]")
(defun vc-cvs-annotate-process-filter (process string)
nil)))
;;;
-;;; Snapshot system
+;;; Tag system
;;;
-(defun vc-cvs-create-snapshot (dir name branchp)
+(defun vc-cvs-create-tag (dir name branchp)
"Assign to DIR's current revision a given NAME.
If BRANCHP is non-nil, the name is created as a branch (and the current
workspace is immediately moved to that new branch)."
(vc-cvs-command nil 0 dir "tag" "-c" (if branchp "-b") name)
(when branchp (vc-cvs-command nil 0 dir "update" "-r" name)))
-(defun vc-cvs-retrieve-snapshot (dir name update)
- "Retrieve a snapshot at and below DIR.
-NAME is the name of the snapshot; if it is empty, do a `cvs update'.
+(defun vc-cvs-retrieve-tag (dir name update)
+ "Retrieve a tag at and below DIR.
+NAME is the name of the tag; if it is empty, do a `cvs update'.
If UPDATE is non-nil, then update (resynch) any affected buffers."
(with-current-buffer (get-buffer-create "*vc*")
(let ((default-directory dir)
"A wrapper around `vc-do-command' for use in vc-cvs.el.
The difference to vc-do-command is that this function always invokes `cvs',
and that it passes `vc-cvs-global-switches' to it before FLAGS."
- (apply 'vc-do-command buffer okstatus "cvs" files
+ (apply 'vc-do-command (or buffer "*vc*") okstatus "cvs" files
(if (stringp vc-cvs-global-switches)
(cons vc-cvs-global-switches flags)
(append vc-cvs-global-switches
;; information is context sensitive, it contains lines like:
;; cvs status: Examining DIRNAME
;; and the file entries after that don't show the full path.
-;; Because of this vc-dired only shows changed files at the top level
-;; for CVS.
+;; Because of this VC directory listings only show changed files
+;; at the top level for CVS.
(defun vc-cvs-parse-status (&optional full)
"Parse output of \"cvs status\" command in the current buffer.
Set file properties accordingly. Unless FULL is t, parse only
essential information. Note that this can never set the 'ignored
state."
- (let (file status)
+ (let (file status missing)
(goto-char (point-min))
(while (looking-at "? \\(.*\\)")
(setq file (expand-file-name (match-string 1)))
(vc-file-setprop file 'vc-state 'unregistered)
(forward-line 1))
- (if (re-search-forward "^File: " nil t)
- (cond
- ((looking-at "no file") nil)
- ((re-search-forward "\\=\\([^ \t]+\\)" nil t)
- (setq file (expand-file-name (match-string 1)))
- (vc-file-setprop file 'vc-backend 'CVS)
- (if (not (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t))
- (setq status "Unknown")
- (setq status (match-string 1)))
- (if (and full
- (re-search-forward
- "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
+ (when (re-search-forward "^File: " nil t)
+ (when (setq missing (looking-at "no file "))
+ (goto-char (match-end 0)))
+ (cond
+ ((re-search-forward "\\=\\([^ \t]+\\)" nil t)
+ (setq file (expand-file-name (match-string 1)))
+ (vc-file-setprop file 'vc-backend 'CVS)
+ (setq status(if (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t)
+ (match-string 1) "Unknown"))
+ (when (and full
+ (re-search-forward
+ "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
\[\t ]+\\([0-9.]+\\)"
- nil t))
- (vc-file-setprop file 'vc-latest-revision (match-string 2)))
- (vc-file-setprop
- file 'vc-state
- (cond
- ((string-match "Up-to-date" status)
- (vc-file-setprop file 'vc-checkout-time
- (nth 5 (file-attributes file)))
- 'up-to-date)
- ((string-match "Locally Modified" status) 'edited)
- ((string-match "Needs Merge" status) 'needs-merge)
- ((string-match "Needs \\(Checkout\\|Patch\\)" status) 'needs-patch)
- ((string-match "Locally Added" status) 'added)
- ((string-match "Locally Removed" status) 'removed)
- (t 'edited))))))))
-
-(defun vc-cvs-dir-state-heuristic (dir)
- "Find the CVS state of all files in DIR, using only local information."
- (with-temp-buffer
- (vc-cvs-get-entries dir)
- (goto-char (point-min))
- (while (not (eobp))
- ;; CVS-removed files are not taken under VC control.
- (when (looking-at "/\\([^/]*\\)/[^/-]")
- (let ((file (expand-file-name (match-string 1) dir)))
- (unless (vc-file-getprop file 'vc-state)
- (vc-cvs-parse-entry file t))))
- (forward-line 1))))
-
-;; XXX Experimental function for the vc-dired replacement.
-(defun vc-cvs-after-dir-status (update-function status-buffer)
+ nil t))
+ (vc-file-setprop file 'vc-latest-revision (match-string 2)))
+ (vc-file-setprop
+ file 'vc-state
+ (cond
+ ((string-match "Up-to-date" status)
+ (vc-file-setprop file 'vc-checkout-time
+ (nth 5 (file-attributes file)))
+ 'up-to-date)
+ ((string-match "Locally Modified" status) 'edited)
+ ((string-match "Needs Merge" status) 'needs-merge)
+ ((string-match "Needs \\(Checkout\\|Patch\\)" status)
+ (if missing 'missing 'needs-update))
+ ((string-match "Locally Added" status) 'added)
+ ((string-match "Locally Removed" status) 'removed)
+ ((string-match "File had conflicts " status) 'conflict)
+ ((string-match "Unknown" status) 'unregistered)
+ (t 'edited))))))))
+
+(defun vc-cvs-after-dir-status (update-function)
;; Heavily inspired by vc-cvs-parse-status. AKA a quick hack.
- ;; It needs a lot of testing.
+ ;; This needs a lot of testing.
(let ((status nil)
(status-str nil)
(file nil)
(result nil)
+ (missing nil)
(subdir default-directory))
(goto-char (point-min))
(while
(re-search-forward
"\\(^=+\n\\([^=c?\n].*\n\\|\n\\)+\\)\\|\\(\\(^?? .*\n\\)+\\)\\|\\(^cvs status: Examining .*\n\\)"
nil t)
- ;; XXX: get rid of narrowing here.
+ ;; FIXME: get rid of narrowing here.
(narrow-to-region (match-beginning 0) (match-end 0))
(goto-char (point-min))
;; The subdir
(setq subdir (expand-file-name (match-string 1))))
;; Unregistered files
(while (looking-at "? \\(.*\\)")
- (setq file (file-relative-name
+ (setq file (file-relative-name
(expand-file-name (match-string 1) subdir)))
- (push (cons file 'unregistered) result)
+ (push (list file 'unregistered) result)
(forward-line 1))
;; A file entry.
- (when (re-search-forward "^File: " nil t)
- (cond
- ((looking-at "no file") nil)
- ((re-search-forward "\\=\\([^ \t]+\\)" nil t)
- (setq file (file-relative-name
- (expand-file-name (match-string 1) subdir)))
- (if (not (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t))
- (push (cons file 'unregistered) result)
- (setq status-str (match-string 1))
- (setq status
- (cond
- ((string-match "Up-to-date" status-str) 'up-to-date)
- ((string-match "Locally Modified" status-str) 'edited)
- ((string-match "Needs Merge" status-str) 'needs-merge)
- ((string-match "Needs \\(Checkout\\|Patch\\)" status-str)
- 'needs-patch)
- ((string-match "Locally Added" status-str) 'added)
- ((string-match "Locally Removed" status-str) 'removed)
- (t 'edited)))
- (unless (eq status 'up-to-date)
- (push (cons file status) result))))))
+ (when (re-search-forward "^File: \\(no file \\)?\\(.*[^ \t]\\)[ \t]+Status: \\(.*\\)" nil t)
+ (setq missing (match-string 1))
+ (setq file (file-relative-name
+ (expand-file-name (match-string 2) subdir)))
+ (setq status-str (match-string 3))
+ (setq status
+ (cond
+ ((string-match "Up-to-date" status-str) 'up-to-date)
+ ((string-match "Locally Modified" status-str) 'edited)
+ ((string-match "Needs Merge" status-str) 'needs-merge)
+ ((string-match "Needs \\(Checkout\\|Patch\\)" status-str)
+ (if missing 'missing 'needs-update))
+ ((string-match "Locally Added" status-str) 'added)
+ ((string-match "Locally Removed" status-str) 'removed)
+ ((string-match "File had conflicts " status-str) 'conflict)
+ ((string-match "Unknown" status-str) 'unregistered)
+ (t 'edited)))
+ (unless (eq status 'up-to-date)
+ (push (list file status) result)))
(goto-char (point-max))
(widen))
- ;; Remove the temporary buffer.
- (kill-buffer (current-buffer))
- (funcall update-function result status-buffer)))
-
-;; XXX Experimental function for the vc-dired replacement.
-(defun vc-cvs-dir-status (dir update-function status-buffer)
+ (funcall update-function result))
+ ;; Alternative implementation: use the "update" command instead of
+ ;; the "status" command.
+ ;; (let ((result nil)
+ ;; (translation '((?? . unregistered)
+ ;; (?A . added)
+ ;; (?C . conflict)
+ ;; (?M . edited)
+ ;; (?P . needs-merge)
+ ;; (?R . removed)
+ ;; (?U . needs-update))))
+ ;; (goto-char (point-min))
+ ;; (while (not (eobp))
+ ;; (if (looking-at "^[ACMPRU?] \\(.*\\)$")
+ ;; (push (list (match-string 1)
+ ;; (cdr (assoc (char-after) translation)))
+ ;; result)
+ ;; (cond
+ ;; ((looking-at "cvs update: warning: \\(.*\\) was lost")
+ ;; ;; Format is:
+ ;; ;; cvs update: warning: FILENAME was lost
+ ;; ;; U FILENAME
+ ;; (push (list (match-string 1) 'missing) result)
+ ;; ;; Skip the "U" line
+ ;; (forward-line 1))
+ ;; ((looking-at "cvs update: New directory `\\(.*\\)' -- ignored")
+ ;; (push (list (match-string 1) 'unregistered) result))))
+ ;; (forward-line 1))
+ ;; (funcall update-function result)))
+ )
+
+(defun vc-cvs-dir-status (dir update-function)
"Create a list of conses (file . state) for DIR."
- (with-current-buffer
- (get-buffer-create (expand-file-name " *VC-cvs* tmp status" dir))
- (erase-buffer)
- (vc-cvs-command (current-buffer) 'async dir "status")
- (vc-exec-after
- `(vc-cvs-after-dir-status (quote ,update-function) ,status-buffer))
- (current-buffer)))
+ (vc-cvs-command (current-buffer) 'async dir "-f" "status")
+ ;; Alternative implementation: use the "update" command instead of
+ ;; the "status" command.
+ ;; (vc-cvs-command (current-buffer) 'async
+ ;; (file-relative-name dir)
+ ;; "-f" "-n" "update" "-d" "-P")
+ (vc-exec-after
+ `(vc-cvs-after-dir-status (quote ,update-function))))
+
+(defun vc-cvs-file-to-string (file)
+ "Read the content of FILE and return it as a string."
+ (condition-case nil
+ (with-temp-buffer
+ (insert-file-contents file)
+ (goto-char (point-min))
+ (buffer-substring (point) (point-max)))
+ (file-error nil)))
+
+(defun vc-cvs-status-extra-headers (dir)
+ "Extract and represent per-directory properties of a CVS working copy."
+ (let ((repo
+ (condition-case nil
+ (with-temp-buffer
+ (insert-file-contents "CVS/Root")
+ (goto-char (point-min))
+ (and (looking-at ":ext:") (delete-char 5))
+ (buffer-substring (point) (1- (point-max))))
+ (file-error nil)))
+ (module
+ (condition-case nil
+ (with-temp-buffer
+ (insert-file-contents "CVS/Repository")
+ (goto-char (point-min))
+ (re-search-forward "[^/\n]*" nil t)
+ (concat (match-string 0) "\n"))
+ (file-error nil))))
+ (concat
+ (cond (module
+ (concat (propertize "Module : " 'face 'font-lock-type-face)
+ (propertize module 'face 'font-lock-variable-name-face)))
+ (t ""))
+ (cond (repo
+ (concat (propertize "Repository : " 'face 'font-lock-type-face)
+ (propertize repo 'face 'font-lock-variable-name-face)))
+ (t ""))
+ ;; In CVS, branch is a per-file property, not a per-directory property.
+ ;; We can't really do this here without making dangerous assumptions.
+ ;;(propertize "Branch: " 'face 'font-lock-type-face)
+ ;;(propertize "ADD CODE TO PRINT THE BRANCH NAME\n"
+ ;; 'face 'font-lock-warning-face)
+ )))
(defun vc-cvs-get-entries (dir)
"Insert the CVS/Entries file from below DIR into the current buffer.
(setq table (lazy-completion-table
table (lambda () (vc-cvs-revision-table (car files)))))
table))
-
+
(provide 'vc-cvs)