;;; vc-cvs.el --- non-resident support for CVS version-control
-;; Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: FSF (see vc.el for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
-;; $Id$
-
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;;;
(defcustom vc-cvs-global-switches nil
- "*Global switches to pass to any CVS command."
+ "Global switches to pass to any CVS command."
:type '(choice (const :tag "None" nil)
(string :tag "Argument String")
(repeat :tag "Argument List"
:group 'vc)
(defcustom vc-cvs-register-switches nil
- "*Extra switches for registering a file into CVS.
+ "Switches for registering a file into CVS.
A string or list of strings passed to the checkin program by
-\\[vc-register]."
- :type '(choice (const :tag "None" nil)
+\\[vc-register]. If nil, use the value of `vc-register-switches'.
+If t, use no switches."
+ :type '(choice (const :tag "Unspecified" nil)
+ (const :tag "None" t)
(string :tag "Argument String")
- (repeat :tag "Argument List"
- :value ("")
- string))
+ (repeat :tag "Argument List" :value ("") string))
:version "21.1"
:group 'vc)
(defcustom vc-cvs-diff-switches nil
- "*A string or list of strings specifying extra switches for cvs diff under VC."
- :type '(choice (const :tag "None" nil)
- (string :tag "Argument String")
- (repeat :tag "Argument List"
- :value ("")
- string))
+ "String or list of strings specifying switches for CVS diff under VC.
+If nil, use the value of `vc-diff-switches'. If t, use no switches."
+ :type '(choice (const :tag "Unspecified" nil)
+ (const :tag "None" t)
+ (string :tag "Argument String")
+ (repeat :tag "Argument List" :value ("") string))
:version "21.1"
:group 'vc)
(defcustom vc-cvs-header (or (cdr (assoc 'CVS vc-header-alist)) '("\$Id\$"))
- "*Header keywords to be inserted by `vc-insert-headers'."
+ "Header keywords to be inserted by `vc-insert-headers'."
:version "21.1"
:type '(repeat string)
:group 'vc)
(defcustom vc-cvs-use-edit t
- "*Non-nil means to use `cvs edit' to \"check out\" a file.
+ "Non-nil means to use `cvs edit' to \"check out\" a file.
This is only meaningful if you don't use the implicit checkout model
\(i.e. if you have $CVSREAD set)."
:type 'boolean
:version "21.1"
:group 'vc)
-(defcustom vc-cvs-stay-local t
- "*Non-nil means use local operations when possible for remote repositories.
+(defcustom vc-cvs-stay-local 'only-file
+ "Non-nil means use local operations when possible for remote repositories.
This avoids slow queries over the network and instead uses heuristics
and past information to determine the current status of a file.
+If value is the symbol `only-file' `vc-dir' will connect to the
+server, but heuristics will be used to determine the status for
+all other VC operations.
+
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
symbol `except'; then VC always stays local except for hosts matched
by these regular expressions."
:type '(choice (const :tag "Always stay local" t)
- (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")
+ (const :tag "Only for file operations" only-file)
+ (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"
+ :version "23.1"
:group 'vc)
(defcustom vc-cvs-sticky-date-format-string "%c"
- "*Format string for mode-line display of sticky date.
+ "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)
:group 'vc)
(defcustom vc-cvs-sticky-tag-display t
- "*Specify the mode-line display of sticky tags.
+ "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
(defun vc-cvs-state (file)
"CVS-specific version of `vc-state'."
- (if (vc-stay-local-p file)
+ (if (vc-stay-local-p file 'CVS)
(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.
state))
(with-temp-buffer
(cd (file-name-directory file))
- (vc-cvs-command t 0 file "status")
+ (let (process-file-side-effects)
+ (vc-cvs-command t 0 file "status"))
(vc-cvs-parse-status t))))
(defun vc-cvs-state-heuristic (file)
(defun vc-cvs-register (files &optional rev comment)
"Register FILES into the CVS version-control system.
COMMENT can be used to provide an initial description of FILES.
-
-`vc-register-switches' and `vc-cvs-register-switches' are passed to
-the CVS command (in that order)."
+Passes either `vc-cvs-register-switches' or `vc-register-switches'
+to the CVS command."
;; Register the directories if needed.
(let (dirs)
(dolist (file files)
(while (and (stringp dir)
(not (equal dir (setq dir (file-name-directory dir))))
dir)
- (setq dir (if (file-directory-p
+ (setq dir (if (file-exists-p
(expand-file-name "CVS/Entries" dir))
- t (directory-file-name dir))))
+ t
+ (directory-file-name dir))))
(eq dir t)))
(defun vc-cvs-checkin (files rev comment)
"-A"
(concat "-r" rev))))
(vc-switches 'CVS 'checkout)))
- (vc-mode-line file))
+ (vc-mode-line file 'CVS))
(message "Checking out %s...done" file))
(defun vc-cvs-delete-file (file)
0 ;; there were no news; indicate success
(if (re-search-forward
(concat "^\\([CMUP] \\)?"
- (regexp-quote (file-name-nondirectory file))
+ (regexp-quote
+ (substring file (1+ (length (expand-file-name
+ "." default-directory)))))
"\\( already contains the differences between \\)?")
nil t)
(cond
;;; History functions
;;;
-(defun vc-cvs-print-log (files &optional buffer)
+(declare-function vc-rcs-print-log-cleanup "vc-rcs" ())
+
+(defun vc-cvs-print-log (files buffer &optional shortlog start-revision-ignored limit)
"Get change logs associated with FILES."
+ (require 'vc-rcs)
;; It's just the catenation of the individual logs.
(vc-cvs-command
buffer
- (if (vc-stay-local-p files) 'async 0)
- files "log"))
+ (if (vc-stay-local-p files 'CVS) 'async 0)
+ files "log")
+ (with-current-buffer buffer
+ (vc-exec-after (vc-rcs-print-log-cleanup)))
+ (when limit 'limit-unsupported))
(defun vc-cvs-comment-history (file)
"Get comment history of a file."
(defun vc-cvs-diff (files &optional oldvers newvers buffer)
"Get a difference report using CVS between two revisions of FILE."
- (let* ((async (and (not vc-disable-async-diff)
- (vc-stay-local-p files)))
+ (let* (process-file-side-effects
+ (async (and (not vc-disable-async-diff)
+ (vc-stay-local-p files 'CVS)))
(invoke-cvs-diff-list nil)
status)
;; Look through the file list and see if any files have backups
(coding-system-for-read (vc-coding-system-for-diff file)))
(if (and file-oldvers file-newvers)
(progn
+ ;; This used to append diff-switches and vc-diff-switches,
+ ;; which was consistent with the vc-diff-switches doc at that
+ ;; time, but not with the actual behavior of any other VC diff.
(apply 'vc-do-command (or buffer "*vc-diff*") 1 "diff" nil
- (append (if (listp diff-switches)
- diff-switches
- (list diff-switches))
- (if (listp vc-diff-switches)
- vc-diff-switches
- (list vc-diff-switches))
+ ;; Not a CVS diff, does not use vc-cvs-diff-switches.
+ (append (vc-switches nil 'diff)
(list (file-relative-name file-oldvers)
(file-relative-name file-newvers))))
(setq status 0))
"Execute \"cvs annotate\" on FILE, inserting the contents in BUFFER.
Optional arg REVISION is a revision to annotate from."
(vc-cvs-command buffer
- (if (vc-stay-local-p file)
+ (if (vc-stay-local-p file 'CVS)
'async 0)
file "annotate"
(if revision (concat "-r" revision)))
(match-string-no-properties 1)
nil)))
+(defun vc-cvs-previous-revision (file rev)
+ (vc-call-backend 'RCS 'previous-revision file rev))
+
+(defun vc-cvs-next-revision (file rev)
+ (vc-call-backend 'RCS 'next-revision file rev))
+
+;; FIXME: This should probably be replaced by code using cvs2cl.
+(defun vc-cvs-update-changelog (files)
+ (vc-call-backend 'RCS 'update-changelog files))
+
;;;
;;; Tag system
;;;
;;; Miscellaneous
;;;
-(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-make-version-backups-p (file)
+ "Return non-nil if version backups should be made for FILE."
+ (vc-stay-local-p file 'CVS))
(defun vc-cvs-check-headers ()
"Check if the current file has any headers in it."
(append vc-cvs-global-switches
flags))))
-(defalias 'vc-cvs-stay-local-p 'vc-stay-local-p) ;Back-compatibility.
+(defun vc-cvs-stay-local-p (file) ;Back-compatibility.
+ (vc-stay-local-p file 'CVS))
(defun vc-cvs-repository-hostname (dirname)
"Hostname of the CVS server associated to workarea DIRNAME."
(buffer-substring (point)
(line-end-position))))))))
+(defun vc-cvs-parse-uhp (path)
+ "parse user@host/path into (user@host /path)"
+ (if (string-match "\\([^/]+\\)\\(/.*\\)" path)
+ (list (match-string 1 path) (match-string 2 path))
+ (list nil path)))
+
(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
+ [: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
;; Invalid CVS root
nil)
((= len 1)
- ;; Simple PATH => method `local'
- (cons "local"
- (cons nil root-list)))
+ (let ((uhp (vc-cvs-parse-uhp (car root-list))))
+ (cons (if (car uhp) "ext" "local") uhp)))
((= len 2)
;; [USER@]HOST:PATH => method `ext'
(and (not (equal (car root-list) ""))
(cons "ext" root-list)))
((= len 3)
- ;; :METHOD:PATH
+ ;; :METHOD:PATH or :METHOD:USER@HOSTNAME/PATH
(cons (cadr root-list)
- (cons nil (cddr root-list))))
+ (vc-cvs-parse-uhp (caddr root-list))))
(t
;; :METHOD:[USER@]HOST:PATH
(cdr root-list)))))
(file nil)
(result nil)
(missing nil)
+ (ignore-next nil)
(subdir default-directory))
(goto-char (point-min))
(while
;; Look for either a file entry, an unregistered file, or a
;; directory change.
(re-search-forward
- "\\(^=+\n\\([^=c?\n].*\n\\|\n\\)+\\)\\|\\(\\(^?? .*\n\\)+\\)\\|\\(^cvs status: Examining .*\n\\)"
+ "\\(^=+\n\\([^=c?\n].*\n\\|\n\\)+\\)\\|\\(\\(^?? .*\n\\)+\\)\\|\\(^cvs status: \\(Examining\\|nothing\\) .*\n\\)"
nil t)
;; FIXME: get rid of narrowing here.
(narrow-to-region (match-beginning 0) (match-end 0))
(expand-file-name (match-string 1) subdir)))
(push (list file 'unregistered) result)
(forward-line 1))
+ (when (looking-at "cvs status: nothing known about")
+ ;; We asked about a non existent file. The output looks like this:
+
+ ;; cvs status: nothing known about `lisp/v.diff'
+ ;; ===================================================================
+ ;; File: no file v.diff Status: Unknown
+ ;;
+ ;; Working revision: No entry for v.diff
+ ;; Repository revision: No revision control file
+ ;;
+
+ ;; Due to narrowing in this iteration we only see the "cvs
+ ;; status:" line, so just set a flag so that we can ignore the
+ ;; file in the next iteration.
+ (setq ignore-next t))
;; A file entry.
(when (re-search-forward "^File: \\(no file \\)?\\(.*[^ \t]\\)[ \t]+Status: \\(.*\\)" nil t)
(setq missing (match-string 1))
((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)))
+ (if ignore-next
+ (setq ignore-next nil)
+ (unless (eq status 'up-to-date)
+ (push (list file status) result))))
(goto-char (point-max))
(widen))
(funcall update-function result))
;; (funcall update-function result)))
)
+;; Based on vc-cvs-dir-state-heuristic from Emacs 22.
+;; FIXME does not mention unregistered files.
+(defun vc-cvs-dir-status-heuristic (dir update-function &optional basedir)
+ "Find the CVS state of all files in DIR, using only local information."
+ (let (file basename status result dirlist)
+ (with-temp-buffer
+ (vc-cvs-get-entries dir)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if (looking-at "D/\\([^/]*\\)////")
+ (push (expand-file-name (match-string 1) dir) dirlist)
+ ;; CVS-removed files are not taken under VC control.
+ (when (looking-at "/\\([^/]*\\)/[^/-]")
+ (setq basename (match-string 1)
+ file (expand-file-name basename dir)
+ status (or (vc-file-getprop file 'vc-state)
+ (vc-cvs-parse-entry file t)))
+ (unless (eq status 'up-to-date)
+ (push (list (if basedir
+ (file-relative-name file basedir)
+ basename)
+ status) result))))
+ (forward-line 1)))
+ (dolist (subdir dirlist)
+ (setq result (append result
+ (vc-cvs-dir-status-heuristic subdir nil
+ (or basedir dir)))))
+ (if basedir result
+ (funcall update-function result))))
+
(defun vc-cvs-dir-status (dir update-function)
"Create a list of conses (file . state) for DIR."
- (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")
+ ;; FIXME check all files in DIR instead?
+ (let ((local (vc-stay-local-p dir 'CVS)))
+ (if (and local (not (eq local 'only-file)))
+ (vc-cvs-dir-status-heuristic dir update-function)
+ (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-dir-status-files (dir files default-state update-function)
+ "Create a list of conses (file . state) for DIR."
+ (apply 'vc-cvs-command (current-buffer) 'async dir "-f" "status" files)
(vc-exec-after
`(vc-cvs-after-dir-status (quote ,update-function))))
(buffer-substring (point) (point-max)))
(file-error nil)))
-(defun vc-cvs-status-extra-headers (dir)
+(defun vc-cvs-dir-extra-headers (dir)
"Extract and represent per-directory properties of a CVS working copy."
(let ((repo
(condition-case nil
(insert-file-contents "CVS/Root")
(goto-char (point-min))
(and (looking-at ":ext:") (delete-char 5))
- (buffer-substring (point) (1- (point-max))))
+ (concat (buffer-substring (point) (1- (point-max))) "\n"))
(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"))
+ (skip-chars-forward "^\n")
+ (concat (buffer-substring (point-min) (point)) "\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 ""))
+ (cond (module
+ (concat (propertize "Module : " 'face 'font-lock-type-face)
+ (propertize module 'face 'font-lock-variable-name-face)))
+ (t ""))
+ (if (file-readable-p "CVS/Tag")
+ (let ((tag (vc-cvs-file-to-string "CVS/Tag")))
+ (cond
+ ((string-match "\\`T" tag)
+ (concat (propertize "Tag : " 'face 'font-lock-type-face)
+ (propertize (substring tag 1)
+ 'face 'font-lock-variable-name-face)))
+ ((string-match "\\`D" tag)
+ (concat (propertize "Date : " 'face 'font-lock-type-face)
+ (propertize (substring tag 1)
+ '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)
;; 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)))))))))
+ (let* ((time (match-string 2))
+ (mtime (nth 5 (file-attributes file)))
+ (parsed-time (progn (require 'parse-time)
+ (parse-time-string (concat time " +0000")))))
+ (cond ((and (not (string-match "\\+" time))
+ (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))))))))
;; Completion of revision names.
;; Just so I don't feel like I'm duplicating code from pcl-cvs, I'll use
;; tag names.
(defun vc-cvs-revision-table (file)
- (let ((default-directory (file-name-directory file))
+ (let (process-file-side-effects
+ (default-directory (file-name-directory file))
(res nil))
(with-temp-buffer
(vc-cvs-command t nil file "log")