;;; vc-cvs.el --- non-resident support for CVS version-control
-;; Copyright (C) 1995,98,99,2000,2001 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003,
+;; 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
-;; $Id: vc-cvs.el,v 1.20 2001/02/02 07:21:21 spiegel Exp $
+;; $Id$
;; This file is part of GNU Emacs.
;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Customization options
;;;
+(defcustom vc-cvs-global-switches nil
+ "*Global switches to pass to any CVS command."
+ :type '(choice (const :tag "None" nil)
+ (string :tag "Argument String")
+ (repeat :tag "Argument List"
+ :value ("")
+ string))
+ :version "22.1"
+ :group 'vc)
+
(defcustom vc-cvs-register-switches nil
"*Extra switches for registering a file into CVS.
A string or list of strings passed to the checkin program by
(defcustom vc-cvs-stay-local t
"*Non-nil means use local operations when possible for remote repositories.
-This avoids slow queries over the network. Turning this option on
-will instruct VC to use only heuristics and past information to
-determine the current status of a file. The value can also be a
-regular expression to match against the host name of a repository;
-then VC only stays local for hosts that match it."
+This avoids slow queries over the network and instead uses heuristics
+and past information to determine the current status of a file.
+
+The value can also be a regular expression or list of regular
+expressions to match against the host name of a repository; then VC
+only stays local for hosts that match it. Alternatively, the value
+can be a list of regular expressions where the first element is the
+symbol `except'; then VC always stays local except for hosts matched
+by these regular expressions."
:type '(choice (const :tag "Always stay local" t)
- (string :tag "Host regexp")
- (const :tag "Don't stay local" nil))
+ (const :tag "Don't stay local" nil)
+ (list :format "\nExamine hostname and %v" :tag "Examine hostname ..."
+ (set :format "%v" :inline t (const :format "%t" :tag "don't" except))
+ (regexp :format " stay local,\n%t: %v" :tag "if it matches")
+ (repeat :format "%v%i\n" :inline t (regexp :tag "or"))))
:version "21.1"
:group 'vc)
+(defcustom vc-cvs-sticky-date-format-string "%c"
+ "*Format string for mode-line display of sticky date.
+Format is according to `format-time-string'. Only used if
+`vc-cvs-sticky-tag-display' is t."
+ :type '(string)
+ :version "22.1"
+ :group 'vc)
+
+(defcustom vc-cvs-sticky-tag-display t
+ "*Specify the mode-line display of sticky tags.
+Value t means default display, nil means no display at all. If the
+value is a function or macro, it is called with the sticky tag and
+its' type as parameters, in that order. TYPE can have three different
+values: `symbolic-name' (TAG is a string), `revision-number' (TAG is a
+string) and `date' (TAG is a date as returned by `encode-time'). The
+return value of the function or macro will be displayed as a string.
+
+Here's an example that will display the formatted date for sticky
+dates and the word \"Sticky\" for sticky tag names and revisions.
+
+ (lambda (tag type)
+ (cond ((eq type 'date) (format-time-string
+ vc-cvs-sticky-date-format-string tag))
+ ((eq type 'revision-number) \"Sticky\")
+ ((eq type 'symbolic-name) \"Sticky\")))
+
+Here's an example that will abbreviate to the first character only,
+any text before the first occurrence of `-' for sticky symbolic tags.
+If the sticky tag is a revision number, the word \"Sticky\" is
+displayed. Date and time is displayed for sticky dates.
+
+ (lambda (tag type)
+ (cond ((eq type 'date) (format-time-string \"%Y%m%d %H:%M\" tag))
+ ((eq type 'revision-number) \"Sticky\")
+ ((eq type 'symbolic-name)
+ (condition-case nil
+ (progn
+ (string-match \"\\\\([^-]*\\\\)\\\\(.*\\\\)\" tag)
+ (concat (substring (match-string 1 tag) 0 1) \":\"
+ (substring (match-string 2 tag) 1 nil)))
+ (error tag))))) ; Fall-back to given tag name.
+
+See also variable `vc-cvs-sticky-date-format-string'."
+ :type '(choice boolean function)
+ :version "22.1"
+ :group 'vc)
;;;
;;; Internal variables
;;;
-(defvar vc-cvs-local-month-numbers
- '(("Jan" . 1) ("Feb" . 2) ("Mar" . 3) ("Apr" . 4)
- ("May" . 5) ("Jun" . 6) ("Jul" . 7) ("Aug" . 8)
- ("Sep" . 9) ("Oct" . 10) ("Nov" . 11) ("Dec" . 12))
- "Local association list of month numbers.")
-
;;;
;;; State-querying functions
;;;###autoload (defun vc-cvs-registered (f)
;;;###autoload (when (file-readable-p (expand-file-name
;;;###autoload "CVS/Entries" (file-name-directory f)))
-;;;###autoload (require 'vc-cvs)
+;;;###autoload (load "vc-cvs")
;;;###autoload (vc-cvs-registered f)))
(defun vc-cvs-registered (file)
(case-fold-search nil))
(if (file-readable-p (expand-file-name "CVS/Entries" dirname))
(with-temp-buffer
- (vc-insert-file (expand-file-name "CVS/Entries" dirname))
+ (vc-cvs-get-entries dirname)
(goto-char (point-min))
(cond
((re-search-forward
- (concat "^/" (regexp-quote basename) "/") nil t)
+ ;; CVS-removed files are not taken under VC control.
+ (concat "^/" (regexp-quote basename) "/[^/-]") nil t)
(beginning-of-line)
(vc-cvs-parse-entry file)
t)
(defun vc-cvs-state (file)
"CVS-specific version of `vc-state'."
- (if (vc-cvs-stay-local-p file)
+ (if (vc-stay-local-p file)
(let ((state (vc-file-getprop file 'vc-state)))
;; If we should stay local, use the heuristic but only if
;; we don't have a more precise state already available.
- (if (memq state '(up-to-date edited))
+ (if (memq state '(up-to-date edited nil))
(vc-cvs-state-heuristic file)
state))
(with-temp-buffer
(cd (file-name-directory file))
- (vc-do-command t 0 "cvs" file "status")
+ (vc-cvs-command t 0 file "status")
(vc-cvs-parse-status t))))
(defun vc-cvs-state-heuristic (file)
(defun vc-cvs-dir-state (dir)
"Find the CVS state of all files in DIR."
- (if (vc-cvs-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
- (vc-do-command t 0 "cvs" nil "status" "-l")
- (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))))))
+ ;; 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
+ (vc-cvs-command t 0 nil "status" "-l")
+ (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-workfile-version (file)
"CVS-specific version of `vc-workfile-version'."
(defun vc-cvs-checkout-model (file)
"CVS-specific version of `vc-checkout-model'."
- (if (or (getenv "CVSREAD")
- ;; 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 (file-attributes file))))
+ (if (getenv "CVSREAD")
'announce
- 'implicit))
+ (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 handles the
-special case of a CVS file that is added but not yet committed."
- (let ((state (vc-state file))
- (rev (vc-workfile-version file)))
- (cond ((string= rev "0")
- ;; A file that is added but not yet committed.
- "CVS @@")
- ((or (eq state 'up-to-date)
- (eq state 'needs-patch))
- (concat "CVS-" rev))
- ((stringp state)
- (concat "CVS:" state ":" rev))
- (t
- ;; Not just for the 'edited state, but also a fallback
- ;; for all other states. Think about different symbols
- ;; for 'needs-patch and 'needs-merge.
- (concat "CVS:" rev)))))
+Compared to the default implementation, this function does two things:
+Handle the special case of a CVS file that is added but not yet
+committed and support display of sticky tags."
+ (let ((sticky-tag (vc-file-getprop file 'vc-cvs-sticky-tag))
+ (string (if (string= (vc-workfile-version file) "0")
+ ;; A file that is added but not yet committed.
+ "CVS @@"
+ (vc-default-mode-line-string 'CVS file))))
+ (if (zerop (length sticky-tag))
+ string
+ (concat string "[" sticky-tag "]"))))
(defun vc-cvs-dired-state-info (file)
"CVS-specific version of `vc-dired-state-info'."
- (let* ((cvs-state (vc-state file))
- (state (cond ((eq cvs-state 'edited) "modified")
- ((eq cvs-state 'needs-patch) "patch")
- ((eq cvs-state 'needs-merge) "merge")
- ;; FIXME: those two states cannot occur right now
- ((eq cvs-state 'unlocked-changes) "conflict")
- ((eq cvs-state 'locally-added) "added")
- )))
- (if state (concat "(" state ")"))))
+ (let ((cvs-state (vc-state file)))
+ (cond ((eq cvs-state 'edited)
+ (if (equal (vc-workfile-version file) "0")
+ "(added)" "(modified)"))
+ ((eq cvs-state 'needs-patch) "(patch)")
+ ((eq cvs-state 'needs-merge) "(merge)"))))
;;;
`vc-register-switches' and `vc-cvs-register-switches' are passed to
the CVS command (in that order)."
- (let ((switches (list
- (if (stringp vc-register-switches)
- (list vc-register-switches)
- vc-register-switches)
- (if (stringp vc-cvs-register-switches)
- (list vc-cvs-register-switches)
- vc-cvs-register-switches))))
-
- (apply 'vc-do-command nil 0 "cvs" file
- "add"
- (and comment (string-match "[^\t\n ]" comment)
- (concat "-m" comment))
- switches)))
+ (when (and (not (vc-cvs-responsible-p file))
+ (vc-cvs-could-register file))
+ ;; Register the directory if needed.
+ (vc-cvs-register (directory-file-name (file-name-directory file))))
+ (apply 'vc-cvs-command nil 0 file
+ "add"
+ (and comment (string-match "[^\t\n ]" comment)
+ (concat "-m" comment))
+ (vc-switches 'CVS 'register)))
(defun vc-cvs-responsible-p (file)
"Return non-nil if CVS thinks it is responsible for FILE."
(defun vc-cvs-could-register (file)
"Return non-nil if FILE could be registered in CVS.
-This is only possible if CVS is responsible for FILE's directory."
- (vc-cvs-responsible-p file))
+This is only possible if CVS is managing FILE's directory or one of
+its parents."
+ (let ((dir file))
+ (while (and (stringp dir)
+ (not (equal dir (setq dir (file-name-directory dir))))
+ dir)
+ (setq dir (if (file-directory-p
+ (expand-file-name "CVS/Entries" dir))
+ t (directory-file-name dir))))
+ (eq dir t)))
(defun vc-cvs-checkin (file rev comment)
"CVS-specific version of `vc-backend-checkin'."
- (let ((switches (if (stringp vc-checkin-switches)
- (list vc-checkin-switches)
- vc-checkin-switches))
- status)
- ;; explicit check-in to the trunk requires a double check-in (first
- ;; unexplicit) (CVS-1.3)
- (if (and rev (vc-trunk-p rev))
- (apply 'vc-do-command nil 1 "cvs" file
- "ci" "-m" "intermediate"
- switches))
- (setq status (apply 'vc-do-command nil 1 "cvs" file
- "ci" (if rev (concat "-r" rev))
- (concat "-m" comment)
- switches))
+ (unless (or (not rev) (vc-cvs-valid-version-number-p rev))
+ (if (not (vc-cvs-valid-symbolic-tag-name-p rev))
+ (error "%s is not a valid symbolic tag name" rev)
+ ;; If the input revison is a valid symbolic tag name, we create it
+ ;; as a branch, commit and switch to it.
+ (apply 'vc-cvs-command nil 0 file "tag" "-b" (list rev))
+ (apply 'vc-cvs-command nil 0 file "update" "-r" (list rev))
+ (vc-file-setprop file 'vc-cvs-sticky-tag rev)))
+ (let ((status (apply 'vc-cvs-command nil 1 file
+ "ci" (if rev (concat "-r" rev))
+ (concat "-m" comment)
+ (vc-switches 'CVS 'checkin))))
(set-buffer "*vc*")
(goto-char (point-min))
(when (not (zerop status))
;; tell it from the permissions of the file (see
;; vc-cvs-checkout-model).
(vc-file-setprop file 'vc-checkout-model nil)
- ;; if this was an explicit check-in, remove the sticky tag
- (if rev (vc-do-command nil 0 "cvs" file "update" "-A"))))
+
+ ;; if this was an explicit check-in (does not include creation of
+ ;; a branch), remove the sticky tag.
+ (if (and rev (not (vc-cvs-valid-symbolic-tag-name-p rev)))
+ (vc-cvs-command nil 0 file "update" "-A"))))
+
+(defun vc-cvs-find-version (file rev buffer)
+ (apply 'vc-cvs-command
+ buffer 0 file
+ "-Q" ; suppress diagnostic output
+ "update"
+ (and rev (not (string= rev ""))
+ (concat "-r" rev))
+ "-p"
+ (vc-switches 'CVS 'checkout)))
(defun vc-cvs-checkout (file &optional editable rev workfile)
"Retrieve a revision of FILE into a WORKFILE.
(save-excursion
;; Change buffers to get local value of vc-checkout-switches.
(if file-buffer (set-buffer file-buffer))
- (setq switches (if (stringp vc-checkout-switches)
- (list vc-checkout-switches)
- vc-checkout-switches))
+ (setq switches (vc-switches 'CVS 'checkout))
;; Save this buffer's default-directory
;; and use save-excursion to make sure it is restored
;; in the same buffer it was saved in.
(let ((coding-system-for-read 'no-conversion)
(coding-system-for-write 'no-conversion))
(with-temp-file filename
- (apply 'vc-do-command
- (current-buffer) 0 "cvs" file
+ (apply 'vc-cvs-command
+ (current-buffer) 0 file
"-Q" ; suppress diagnostic output
"update"
- (and rev (not (string= rev ""))
+ (and (stringp rev)
+ (not (string= rev ""))
(concat "-r" rev))
"-p"
switches)))
;; 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))
- (if vc-cvs-use-edit
- (vc-do-command nil 0 "cvs" file "edit")
- (set-file-modes file (logior (file-modes file) 128))
- (if file-buffer (toggle-read-only -1))))
- ;; Check out a particular version (or recreate the file).
- (vc-file-setprop file 'vc-workfile-version nil)
- (apply 'vc-do-command nil 0 "cvs" file
- (and editable
- (or (not (file-exists-p file))
- (not (eq (vc-cvs-checkout-model file)
- 'implicit)))
- "-w")
- "update"
- ;; default for verbose checkout: clear the sticky tag so
- ;; that the actual update will get the head of the trunk
- (if (or (not rev) (string= rev ""))
- "-A"
- (concat "-r" rev))
- switches))))
+ (if vc-cvs-use-edit
+ (vc-cvs-command nil 0 file "edit")
+ (set-file-modes file (logior (file-modes file) 128))
+ (if file-buffer (toggle-read-only -1))))
+ ;; Check out a particular version (or recreate the file).
+ (vc-file-setprop file 'vc-workfile-version nil)
+ (apply 'vc-cvs-command nil 0 file
+ (and editable
+ (or (not (file-exists-p file))
+ (not (eq (vc-cvs-checkout-model file)
+ 'implicit)))
+ "-w")
+ "update"
+ (when rev
+ (unless (eq rev t)
+ ;; default for verbose checkout: clear the
+ ;; sticky tag so that the actual update will
+ ;; get the head of the trunk
+ (if (string= rev "")
+ "-A"
+ (concat "-r" rev))))
+ switches))))
(vc-mode-line file)
(message "Checking out %s...done" filename)))))
-(defun vc-cvs-revert (file)
+(defun vc-cvs-delete-file (file)
+ (vc-cvs-command nil 0 file "remove" "-f")
+ (vc-cvs-command nil 0 file "commit" "-mRemoved."))
+
+(defun vc-cvs-revert (file &optional contents-done)
"Revert FILE to the version it was based on."
- ;; Check out via standard output (caused by the final argument
- ;; FILE below), so that no sticky tag is set.
- (vc-cvs-checkout file nil (vc-workfile-version file) file)
- ;; If "cvs edit" was used to make the file writable,
- ;; call "cvs unedit" now to undo that.
- (if (and (not (eq (vc-cvs-checkout-model file) 'implicit))
- vc-cvs-use-edit)
- (vc-do-command nil 0 "cvs" file "unedit")))
+ (unless contents-done
+ ;; Check out via standard output (caused by the final argument
+ ;; FILE below), so that no sticky tag is set.
+ (vc-cvs-checkout file nil (vc-workfile-version file) file))
+ (unless (eq (vc-checkout-model 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
+ (set-file-modes file (logand (file-modes file) 3950)))))
(defun vc-cvs-merge (file first-version &optional second-version)
"Merge changes into current working copy of FILE.
The changes are between FIRST-VERSION and SECOND-VERSION."
- (vc-do-command nil 0 "cvs" file
+ (vc-cvs-command nil 0 file
"update" "-kk"
(concat "-j" first-version)
(concat "-j" second-version))
(vc-file-setprop file 'vc-state 'edited)
- (save-excursion
- (set-buffer (get-buffer "*vc*"))
+ (with-current-buffer (get-buffer "*vc*")
(goto-char (point-min))
(if (re-search-forward "conflicts during merge" nil t)
1 ; signal error
(defun vc-cvs-merge-news (file)
"Merge in any new changes made to FILE."
(message "Merging changes into %s..." file)
- (save-excursion
- ;; (vc-file-setprop file 'vc-workfile-version nil)
- (vc-file-setprop file 'vc-checkout-time 0)
- (vc-do-command nil 0 "cvs" file "update")
- ;; Analyze the merge result reported by CVS, and set
- ;; file properties accordingly.
- (set-buffer (get-buffer "*vc*"))
+ ;; (vc-file-setprop file 'vc-workfile-version nil)
+ (vc-file-setprop file 'vc-checkout-time 0)
+ (vc-cvs-command nil 0 file "update")
+ ;; Analyze the merge result reported by CVS, and set
+ ;; file properties accordingly.
+ (with-current-buffer (get-buffer "*vc*")
(goto-char (point-min))
;; get new workfile version
- (if (re-search-forward (concat "^Merging differences between "
- "[01234567890.]* and "
- "\\([01234567890.]*\\) into")
- nil t)
+ (if (re-search-forward
+ "^Merging differences between [0-9.]* and \\([0-9.]*\\) into" nil t)
(vc-file-setprop file 'vc-workfile-version (match-string 1))
(vc-file-setprop file 'vc-workfile-version nil))
;; get file status
;;; History functions
;;;
-(defun vc-cvs-print-log (file)
+(defun vc-cvs-print-log (file &optional buffer)
"Get change log associated with FILE."
- (vc-do-command nil (if (vc-cvs-stay-local-p file) 'async 0)
- "cvs" file "log"))
-
-(defun vc-cvs-show-log-entry (version)
- (when (re-search-forward
- ;; also match some context, for safety
- (concat "----\nrevision " version
- "\\(\tlocked by:.*\n\\|\n\\)date: ") nil t)
- ;; set the display window so that
- ;; the whole log entry is displayed
- (let (start end lines)
- (beginning-of-line) (forward-line -1) (setq start (point))
- (if (not (re-search-forward "^----*\nrevision" nil t))
- (setq end (point-max))
- (beginning-of-line) (forward-line -1) (setq end (point)))
- (setq lines (count-lines start end))
- (cond
- ;; if the global information and this log entry fit
- ;; into the window, display from the beginning
- ((< (count-lines (point-min) end) (window-height))
- (goto-char (point-min))
- (recenter 0)
- (goto-char start))
- ;; if the whole entry fits into the window,
- ;; display it centered
- ((< (1+ lines) (window-height))
- (goto-char start)
- (recenter (1- (- (/ (window-height) 2) (/ lines 2)))))
- ;; otherwise (the entry is too large for the window),
- ;; display from the start
- (t
- (goto-char start)
- (recenter 0))))))
+ (vc-cvs-command
+ buffer
+ (if (and (vc-stay-local-p file) (fboundp 'start-process)) 'async 0)
+ file "log"))
-(defun vc-cvs-diff (file &optional oldvers newvers)
+(defun vc-cvs-diff (file &optional oldvers newvers buffer)
"Get a difference report using CVS between two versions of FILE."
- (let (options status (diff-switches-list (vc-diff-switches-list cvs)))
- (if (string= (vc-workfile-version file) "0")
- ;; This file is added but not yet committed; there is no master file.
- (if (or oldvers newvers)
- (error "No revisions of %s exist" file)
- ;; we regard this as "changed".
- ;; diff it against /dev/null.
- (apply 'vc-do-command "*vc-diff*"
- 1 "diff" file
- (append diff-switches-list '("/dev/null"))))
- (setq status
- (apply 'vc-do-command "*vc-diff*"
- (if (vc-cvs-stay-local-p file) 'async 1)
- "cvs" file "diff"
- (and oldvers (concat "-r" oldvers))
- (and newvers (concat "-r" newvers))
- diff-switches-list))
- (if (vc-cvs-stay-local-p file)
- 1 ;; async diff, pessimistic assumption
- status))))
+ (if (string= (vc-workfile-version file) "0")
+ ;; This file is added but not yet committed; there is no master file.
+ (if (or oldvers newvers)
+ (error "No revisions of %s exist" file)
+ ;; We regard this as "changed".
+ ;; Diff it against /dev/null.
+ ;; Note: this is NOT a "cvs diff".
+ (apply 'vc-do-command (or buffer "*vc-diff*")
+ 1 "diff" file
+ (append (vc-switches nil 'diff) '("/dev/null")))
+ ;; Even if it's empty, it's locally modified.
+ 1)
+ (let* ((async (and (not vc-disable-async-diff)
+ (vc-stay-local-p file)
+ (fboundp 'start-process)))
+ (status (apply 'vc-cvs-command (or buffer "*vc-diff*")
+ (if async 'async 1)
+ file "diff"
+ (and oldvers (concat "-r" oldvers))
+ (and newvers (concat "-r" newvers))
+ (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))))))
(defun vc-cvs-annotate-command (file buffer &optional version)
"Execute \"cvs annotate\" on FILE, inserting the contents in BUFFER.
Optional arg VERSION is a version to annotate from."
- (vc-do-command buffer 0 "cvs" file "annotate" (if version
- (concat "-r" version))))
-
-(defun vc-cvs-annotate-difference (point)
- "Return the difference between the time of the line and the current time.
-Return values are as defined for `current-time'."
- ;; We need a list of months and their corresponding numbers.
- (if (looking-at "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): ")
- (progn
- (let* ((day (string-to-number (match-string 1)))
- (month (cdr (assoc (match-string 2) vc-cvs-local-month-numbers)))
- (year-tmp (string-to-number (match-string 3)))
- ;; Years 0..68 are 2000..2068.
- ;; Years 69..99 are 1969..1999.
- (year (+ (cond ((> 69 year-tmp) 2000)
- ((> 100 year-tmp) 1900)
- (t 0))
- year-tmp)))
- (goto-char (match-end 0)) ; Position at end makes for nicer overlay result
- (- (car (current-time))
- (car (encode-time 0 0 0 day month year)))))
- ;; If we did not look directly at an annotation, there might be
- ;; some further down. This is the case if we are positioned at
- ;; the very top of the buffer, for instance.
- (if (re-search-forward
- "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): " nil t)
- (progn
- (beginning-of-line nil)
- (vc-cvs-annotate-difference (point))))))
-
+ (vc-cvs-command buffer 0 file "annotate" (if version (concat "-r" version)))
+ (with-current-buffer buffer
+ (goto-char (point-min))
+ (re-search-forward "^[0-9]")
+ (delete-region (point-min) (1- (point)))))
+
+(defun vc-cvs-annotate-current-time ()
+ "Return the current time, based at midnight of the current day, and
+encoded as fractional days."
+ (vc-annotate-convert-time
+ (apply 'encode-time 0 0 0 (nthcdr 3 (decode-time (current-time))))))
+
+(defun vc-cvs-annotate-time ()
+ "Return the time of the next annotation (as fraction of days)
+systime, or nil if there is none."
+ (let* ((bol (point))
+ (cache (get-text-property bol 'vc-cvs-annotate-time))
+ buffer-read-only)
+ (cond
+ (cache)
+ ((looking-at
+ "^\\S-+\\s-+\\S-+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): ")
+ (let ((day (string-to-number (match-string 1)))
+ (month (cdr (assq (intern (match-string 2))
+ '((Jan . 1) (Feb . 2) (Mar . 3)
+ (Apr . 4) (May . 5) (Jun . 6)
+ (Jul . 7) (Aug . 8) (Sep . 9)
+ (Oct . 10) (Nov . 11) (Dec . 12)))))
+ (year (let ((tmp (string-to-number (match-string 3))))
+ ;; Years 0..68 are 2000..2068.
+ ;; Years 69..99 are 1969..1999.
+ (+ (cond ((> 69 tmp) 2000)
+ ((> 100 tmp) 1900)
+ (t 0))
+ tmp))))
+ (put-text-property
+ bol (1+ bol) 'vc-cvs-annotate-time
+ (setq cache (cons
+ ;; Position at end makes for nicer overlay result.
+ (match-end 0)
+ (vc-annotate-convert-time
+ (encode-time 0 0 0 day month year))))))))
+ (when cache
+ (goto-char (car cache)) ; fontify from here to eol
+ (cdr cache)))) ; days (float)
+
+(defun vc-cvs-annotate-extract-revision-at-line ()
+ (save-excursion
+ (beginning-of-line)
+ (if (re-search-forward "^\\([0-9]+\\.[0-9]+\\(\\.[0-9]+\\)*\\) +("
+ (line-end-position) t)
+ (match-string-no-properties 1)
+ nil)))
;;;
;;; Snapshot system
"Assign to DIR's current version 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-do-command nil 0 "cvs" dir "tag" "-c" (if branchp "-b") name)
- (when branchp (vc-do-command nil 0 "cvs" dir "update" "-r" name)))
+ (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'.
If UPDATE is non-nil, then update (resynch) any affected buffers."
(with-current-buffer (get-buffer-create "*vc*")
- (let ((default-directory dir))
+ (let ((default-directory dir)
+ (sticky-tag))
(erase-buffer)
(if (or (not name) (string= name ""))
- (vc-do-command t 0 "cvs" nil "update")
- (vc-do-command t 0 "cvs" nil "update" "-r" name))
+ (vc-cvs-command t 0 nil "update")
+ (vc-cvs-command t 0 nil "update" "-r" name)
+ (setq sticky-tag name))
(when update
(goto-char (point-min))
(while (not (eobp))
(vc-file-setprop file 'vc-state 'edited)
(vc-file-setprop file 'vc-workfile-version nil)
(vc-file-setprop file 'vc-checkout-time 0)))
+ (vc-file-setprop file 'vc-cvs-sticky-tag sticky-tag)
(vc-resynch-buffer file t t))))
(forward-line 1))))))
;;; Miscellaneous
;;;
-(defun vc-cvs-make-version-backups-p (file)
- "Return non-nil if version backups should be made for FILE."
- (vc-cvs-stay-local-p file))
+(defalias 'vc-cvs-make-version-backups-p 'vc-stay-local-p
+ "Return non-nil if version backups should be made for FILE.")
(defun vc-cvs-check-headers ()
"Check if the current file has any headers in it."
;;; Internal functions
;;;
-(defun vc-cvs-stay-local-p (file)
- "Return non-nil if VC should stay local when handling FILE."
- (if vc-cvs-stay-local
- (let* ((dirname (if (file-directory-p file)
- (directory-file-name file)
- (file-name-directory file)))
- (prop
- (or (vc-file-getprop dirname 'vc-cvs-stay-local-p)
- (let ((rootname (expand-file-name "CVS/Root" dirname)))
- (vc-file-setprop
- dirname 'vc-cvs-stay-local-p
- (when (file-readable-p rootname)
- (with-temp-buffer
- (vc-insert-file rootname)
- (goto-char (point-min))
- (if (looking-at "\\([^:]*\\):")
- (if (not (stringp vc-cvs-stay-local))
- 'yes
- (let ((hostname (match-string 1)))
- (if (string-match vc-cvs-stay-local hostname)
- 'yes
- 'no)))
- 'no))))))))
- (if (eq prop 'yes) t nil))))
+(defun vc-cvs-command (buffer okstatus file &rest flags)
+ "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" file
+ (if (stringp vc-cvs-global-switches)
+ (cons vc-cvs-global-switches flags)
+ (append vc-cvs-global-switches
+ flags))))
+
+(defalias 'vc-cvs-stay-local-p 'vc-stay-local-p) ;Back-compatibility.
+
+(defun vc-cvs-repository-hostname (dirname)
+ "Hostname of the CVS server associated to workarea DIRNAME."
+ (let ((rootname (expand-file-name "CVS/Root" dirname)))
+ (when (file-readable-p rootname)
+ (with-temp-buffer
+ (let ((coding-system-for-read
+ (or file-name-coding-system
+ default-file-name-coding-system)))
+ (vc-insert-file rootname))
+ (goto-char (point-min))
+ (nth 2 (vc-cvs-parse-root
+ (buffer-substring (point)
+ (line-end-position))))))))
+
+(defun vc-cvs-parse-root (root)
+ "Split CVS ROOT specification string into a list of fields.
+A CVS root specification of the form
+ [:METHOD:][[USER@]HOSTNAME:]/path/to/repository
+is converted to a normalized record with the following structure:
+ \(METHOD USER HOSTNAME CVS-ROOT).
+The default METHOD for a CVS root of the form
+ /path/to/repository
+is `local'.
+The default METHOD for a CVS root of the form
+ [USER@]HOSTNAME:/path/to/repository
+is `ext'.
+For an empty string, nil is returned (invalid CVS root)."
+ ;; Split CVS root into colon separated fields (0-4).
+ ;; The `x:' makes sure, that leading colons are not lost;
+ ;; `HOST:/PATH' is then different from `:METHOD:/PATH'.
+ (let* ((root-list (cdr (split-string (concat "x:" root) ":")))
+ (len (length root-list))
+ ;; All syntactic varieties will get a proper METHOD.
+ (root-list
+ (cond
+ ((= len 0)
+ ;; Invalid CVS root
+ nil)
+ ((= len 1)
+ ;; Simple PATH => method `local'
+ (cons "local"
+ (cons nil root-list)))
+ ((= len 2)
+ ;; [USER@]HOST:PATH => method `ext'
+ (and (not (equal (car root-list) ""))
+ (cons "ext" root-list)))
+ ((= len 3)
+ ;; :METHOD:PATH
+ (cons (cadr root-list)
+ (cons nil (cddr root-list))))
+ (t
+ ;; :METHOD:[USER@]HOST:PATH
+ (cdr root-list)))))
+ (if root-list
+ (let ((method (car root-list))
+ (uhost (or (cadr root-list) ""))
+ (root (nth 2 root-list))
+ user host)
+ ;; Split USER@HOST
+ (if (string-match "\\(.*\\)@\\(.*\\)" uhost)
+ (setq user (match-string 1 uhost)
+ host (match-string 2 uhost))
+ (setq host uhost))
+ ;; Remove empty HOST
+ (and (equal host "")
+ (setq host))
+ ;; Fix windows style CVS root `:local:C:\\project\\cvs\\some\\dir'
+ (and host
+ (equal method "local")
+ (setq root (concat host ":" root) host))
+ ;; Normalize CVS root record
+ (list method user host root)))))
(defun vc-cvs-parse-status (&optional full)
"Parse output of \"cvs status\" command in the current buffer.
(setq status (match-string 1)))
(if (and full
(re-search-forward
- "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
+ "\\(RCS Version\\|RCS Revision\\|Repository revision\\):\
\[\t ]+\\([0-9.]+\\)"
nil t))
(vc-file-setprop file 'vc-latest-version (match-string 2)))
- (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)
- (t 'edited)))))))
+ (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)
+ (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-insert-file (expand-file-name "CVS/Entries" dir))
+ (vc-cvs-get-entries dir)
(goto-char (point-min))
(while (not (eobp))
- (when (looking-at "/\\([^/]*\\)/")
+ ;; 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))))
+(defun vc-cvs-get-entries (dir)
+ "Insert the CVS/Entries file from below DIR into the current buffer.
+This function ensures that the correct coding system is used for that,
+which may not be the one that is used for the files' contents.
+CVS/Entries should only be accessed through this function."
+ (let ((coding-system-for-read (or file-name-coding-system
+ default-file-name-coding-system)))
+ (vc-insert-file (expand-file-name "CVS/Entries" dir))))
+
+(defun vc-cvs-valid-symbolic-tag-name-p (tag)
+ "Return non-nil if TAG is a valid symbolic tag name."
+ ;; According to the CVS manual, a valid symbolic tag must start with
+ ;; an uppercase or lowercase letter and can contain uppercase and
+ ;; lowercase letters, digits, `-', and `_'.
+ (and (string-match "^[a-zA-Z]" tag)
+ (not (string-match "[^a-z0-9A-Z-_]" tag))))
+
+(defun vc-cvs-valid-version-number-p (tag)
+ "Return non-nil if TAG is a valid version number."
+ (and (string-match "^[0-9]" tag)
+ (not (string-match "[^0-9.]" tag))))
+
+(defun vc-cvs-parse-sticky-tag (match-type match-tag)
+ "Parse and return the sticky tag as a string.
+`match-data' is protected."
+ (let ((data (match-data))
+ (tag)
+ (type (cond ((string= match-type "D") 'date)
+ ((string= match-type "T")
+ (if (vc-cvs-valid-symbolic-tag-name-p match-tag)
+ 'symbolic-name
+ 'revision-number))
+ (t nil))))
+ (unwind-protect
+ (progn
+ (cond
+ ;; Sticky Date tag. Convert to a proper date value (`encode-time')
+ ((eq type 'date)
+ (string-match
+ "\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)"
+ match-tag)
+ (let* ((year-tmp (string-to-number (match-string 1 match-tag)))
+ (month (string-to-number (match-string 2 match-tag)))
+ (day (string-to-number (match-string 3 match-tag)))
+ (hour (string-to-number (match-string 4 match-tag)))
+ (min (string-to-number (match-string 5 match-tag)))
+ (sec (string-to-number (match-string 6 match-tag)))
+ ;; Years 0..68 are 2000..2068.
+ ;; Years 69..99 are 1969..1999.
+ (year (+ (cond ((> 69 year-tmp) 2000)
+ ((> 100 year-tmp) 1900)
+ (t 0))
+ year-tmp)))
+ (setq tag (encode-time sec min hour day month year))))
+ ;; Sticky Tag name or revision number
+ ((eq type 'symbolic-name) (setq tag match-tag))
+ ((eq type 'revision-number) (setq tag match-tag))
+ ;; Default is no sticky tag at all
+ (t nil))
+ (cond ((eq vc-cvs-sticky-tag-display nil) nil)
+ ((eq vc-cvs-sticky-tag-display t)
+ (cond ((eq type 'date) (format-time-string
+ vc-cvs-sticky-date-format-string
+ tag))
+ ((eq type 'symbolic-name) tag)
+ ((eq type 'revision-number) tag)
+ (t nil)))
+ ((functionp vc-cvs-sticky-tag-display)
+ (funcall vc-cvs-sticky-tag-display tag type))
+ (t nil)))
+
+ (set-match-data data))))
+
(defun vc-cvs-parse-entry (file &optional set-state)
"Parse a line from CVS/Entries.
Compare modification time to that of the FILE, set file properties
(concat "/[^/]+"
;; revision
"/\\([^/]*\\)"
- ;; timestamp
- "/[A-Z][a-z][a-z]" ;; week day (irrelevant)
- " \\([A-Z][a-z][a-z]\\)" ;; month name
- " *\\([0-9]*\\)" ;; day of month
- " \\([0-9]*\\):\\([0-9]*\\):\\([0-9]*\\)" ;; hms
- " \\([0-9]*\\)" ;; year
- ;; optional conflict field
- "\\(+[^/]*\\)?/"))
- (vc-file-setprop file 'vc-workfile-version (match-string 1))
- ;; compare checkout time and modification time
- (let ((second (string-to-number (match-string 6)))
- (minute (string-to-number (match-string 5)))
- (hour (string-to-number (match-string 4)))
- (day (string-to-number (match-string 3)))
- (year (string-to-number (match-string 7)))
- (month (/ (string-match
- (match-string 2)
- "xxxJanFebMarAprMayJunJulAugSepOctNovDec")
- 3))
- (mtime (nth 5 (file-attributes file))))
- (cond ((equal mtime
- (encode-time second minute hour day month year 0))
- (vc-file-setprop file 'vc-checkout-time mtime)
- (if set-state (vc-file-setprop file 'vc-state 'up-to-date)))
- (t
- (vc-file-setprop file 'vc-checkout-time 0)
- (if set-state (vc-file-setprop file 'vc-state 'edited))))))
- ;; entry with arbitrary text as timestamp
- ;; (this means we should consider it modified)
- ((looking-at
- (concat "/[^/]+"
- ;; revision
- "/\\([^/]*\\)"
- ;; timestamp (arbitrary text)
- "/[^/]*"
- ;; optional conflict field
- "\\(+[^/]*\\)?/"))
+ ;; timestamp and optional conflict field
+ "/\\([^/]*\\)/"
+ ;; options
+ "\\([^/]*\\)/"
+ ;; sticky tag
+ "\\(.\\|\\)" ;Sticky tag type (date or tag name, could be empty)
+ "\\(.*\\)")) ;Sticky tag
(vc-file-setprop file 'vc-workfile-version (match-string 1))
- (vc-file-setprop file 'vc-checkout-time 0)
- (if set-state (vc-file-setprop file 'vc-state 'edited)))))
+ (vc-file-setprop file 'vc-cvs-sticky-tag
+ (vc-cvs-parse-sticky-tag (match-string 4)
+ (match-string 5)))
+ ;; Compare checkout time and modification time.
+ ;; This is intentionally different from the algorithm that CVS uses
+ ;; (which is based on textual comparison), because there can be problems
+ ;; generating a time string that looks exactly like the one from CVS.
+ (let ((mtime (nth 5 (file-attributes file))))
+ (require 'parse-time)
+ (let ((parsed-time
+ (parse-time-string (concat (match-string 2) " +0000"))))
+ (cond ((and (not (string-match "\\+" (match-string 2)))
+ (car parsed-time)
+ (equal mtime (apply 'encode-time parsed-time)))
+ (vc-file-setprop file 'vc-checkout-time mtime)
+ (if set-state (vc-file-setprop file 'vc-state 'up-to-date)))
+ (t
+ (vc-file-setprop file 'vc-checkout-time 0)
+ (if set-state (vc-file-setprop file 'vc-state 'edited)))))))))
(provide 'vc-cvs)
+;;; arch-tag: 60e1402a-aa53-4607-927a-cf74f144b432
;;; vc-cvs.el ends here
HCoop / bpt / emacs.git / blobdiff