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1064 lines
40 KiB
EmacsLisp
1064 lines
40 KiB
EmacsLisp
;;; vc-cvs.el --- non-resident support for CVS version-control
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;; Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003,
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;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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;; Author: FSF (see vc.el for full credits)
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;; Maintainer: Andre Spiegel <spiegel@gnu.org>
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;; $Id$
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(eval-when-compile (require 'cl) (require 'vc))
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;; Clear up the cache to force vc-call to check again and discover
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;; new functions when we reload this file.
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(put 'CVS 'vc-functions nil)
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;;;
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;;; Customization options
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;;;
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(defcustom vc-cvs-global-switches nil
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"*Global switches to pass to any CVS command."
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:type '(choice (const :tag "None" nil)
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(string :tag "Argument String")
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(repeat :tag "Argument List"
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:value ("")
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string))
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:version "22.1"
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:group 'vc)
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(defcustom vc-cvs-register-switches nil
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"*Extra switches for registering a file into CVS.
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A string or list of strings passed to the checkin program by
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\\[vc-register]."
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:type '(choice (const :tag "None" nil)
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(string :tag "Argument String")
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(repeat :tag "Argument List"
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:value ("")
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string))
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:version "21.1"
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:group 'vc)
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(defcustom vc-cvs-diff-switches nil
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"*A string or list of strings specifying extra switches for cvs diff under VC."
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:type '(choice (const :tag "None" nil)
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(string :tag "Argument String")
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(repeat :tag "Argument List"
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:value ("")
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string))
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:version "21.1"
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:group 'vc)
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(defcustom vc-cvs-header (or (cdr (assoc 'CVS vc-header-alist)) '("\$Id\$"))
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"*Header keywords to be inserted by `vc-insert-headers'."
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:version "21.1"
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:type '(repeat string)
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:group 'vc)
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(defcustom vc-cvs-use-edit t
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"*Non-nil means to use `cvs edit' to \"check out\" a file.
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This is only meaningful if you don't use the implicit checkout model
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\(i.e. if you have $CVSREAD set)."
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:type 'boolean
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:version "21.1"
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:group 'vc)
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(defcustom vc-cvs-stay-local t
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"*Non-nil means use local operations when possible for remote repositories.
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This avoids slow queries over the network and instead uses heuristics
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and past information to determine the current status of a file.
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The value can also be a regular expression or list of regular
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expressions to match against the host name of a repository; then VC
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only stays local for hosts that match it. Alternatively, the value
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can be a list of regular expressions where the first element is the
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symbol `except'; then VC always stays local except for hosts matched
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by these regular expressions."
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:type '(choice (const :tag "Always stay local" t)
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(const :tag "Don't stay local" nil)
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(list :format "\nExamine hostname and %v" :tag "Examine hostname ..."
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(set :format "%v" :inline t (const :format "%t" :tag "don't" except))
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(regexp :format " stay local,\n%t: %v" :tag "if it matches")
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(repeat :format "%v%i\n" :inline t (regexp :tag "or"))))
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:version "21.1"
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:group 'vc)
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(defcustom vc-cvs-sticky-date-format-string "%c"
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"*Format string for mode-line display of sticky date.
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Format is according to `format-time-string'. Only used if
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`vc-cvs-sticky-tag-display' is t."
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:type '(string)
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:version "22.1"
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:group 'vc)
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(defcustom vc-cvs-sticky-tag-display t
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"*Specify the mode-line display of sticky tags.
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Value t means default display, nil means no display at all. If the
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value is a function or macro, it is called with the sticky tag and
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its' type as parameters, in that order. TYPE can have three different
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values: `symbolic-name' (TAG is a string), `revision-number' (TAG is a
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string) and `date' (TAG is a date as returned by `encode-time'). The
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return value of the function or macro will be displayed as a string.
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Here's an example that will display the formatted date for sticky
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dates and the word \"Sticky\" for sticky tag names and revisions.
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(lambda (tag type)
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(cond ((eq type 'date) (format-time-string
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vc-cvs-sticky-date-format-string tag))
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((eq type 'revision-number) \"Sticky\")
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((eq type 'symbolic-name) \"Sticky\")))
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Here's an example that will abbreviate to the first character only,
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any text before the first occurrence of `-' for sticky symbolic tags.
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If the sticky tag is a revision number, the word \"Sticky\" is
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displayed. Date and time is displayed for sticky dates.
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(lambda (tag type)
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(cond ((eq type 'date) (format-time-string \"%Y%m%d %H:%M\" tag))
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((eq type 'revision-number) \"Sticky\")
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((eq type 'symbolic-name)
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(condition-case nil
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(progn
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(string-match \"\\\\([^-]*\\\\)\\\\(.*\\\\)\" tag)
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(concat (substring (match-string 1 tag) 0 1) \":\"
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(substring (match-string 2 tag) 1 nil)))
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(error tag))))) ; Fall-back to given tag name.
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See also variable `vc-cvs-sticky-date-format-string'."
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:type '(choice boolean function)
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:version "22.1"
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:group 'vc)
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;;;
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;;; Internal variables
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;;;
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;;;
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;;; State-querying functions
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;;;
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;;;###autoload (defun vc-cvs-registered (f)
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;;;###autoload (when (file-readable-p (expand-file-name
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;;;###autoload "CVS/Entries" (file-name-directory f)))
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;;;###autoload (load "vc-cvs")
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;;;###autoload (vc-cvs-registered f)))
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(defun vc-cvs-registered (file)
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"Check if FILE is CVS registered."
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(let ((dirname (or (file-name-directory file) ""))
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(basename (file-name-nondirectory file))
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;; make sure that the file name is searched case-sensitively
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(case-fold-search nil))
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(if (file-readable-p (expand-file-name "CVS/Entries" dirname))
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(with-temp-buffer
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(vc-cvs-get-entries dirname)
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(goto-char (point-min))
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(cond
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((re-search-forward
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;; CVS-removed files are not taken under VC control.
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(concat "^/" (regexp-quote basename) "/[^/-]") nil t)
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(beginning-of-line)
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(vc-cvs-parse-entry file)
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t)
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(t nil)))
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nil)))
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(defun vc-cvs-state (file)
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"CVS-specific version of `vc-state'."
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(if (vc-stay-local-p file)
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(let ((state (vc-file-getprop file 'vc-state)))
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;; If we should stay local, use the heuristic but only if
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;; we don't have a more precise state already available.
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(if (memq state '(up-to-date edited nil))
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(vc-cvs-state-heuristic file)
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state))
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(with-temp-buffer
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(cd (file-name-directory file))
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(vc-cvs-command t 0 file "status")
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(vc-cvs-parse-status t))))
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(defun vc-cvs-state-heuristic (file)
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"CVS-specific state heuristic."
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;; If the file has not changed since checkout, consider it `up-to-date'.
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;; Otherwise consider it `edited'.
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(let ((checkout-time (vc-file-getprop file 'vc-checkout-time))
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(lastmod (nth 5 (file-attributes file))))
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(cond
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((equal checkout-time lastmod) 'up-to-date)
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((string= (vc-working-revision file) "0") 'added)
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(t 'edited))))
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(defun vc-cvs-dir-state (dir)
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"Find the CVS state of all files in DIR and subdirectories."
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;; if DIR is not under CVS control, don't do anything.
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(when (file-readable-p (expand-file-name "CVS/Entries" dir))
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(if (vc-stay-local-p dir)
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(vc-cvs-dir-state-heuristic dir)
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(let ((default-directory dir))
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;; Don't specify DIR in this command, the default-directory is
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;; enough. Otherwise it might fail with remote repositories.
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(with-temp-buffer
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(buffer-disable-undo) ;; Because these buffers can get huge
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(vc-cvs-command t 0 nil "status")
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(goto-char (point-min))
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(while (re-search-forward "^=+\n\\([^=\n].*\n\\|\n\\)+" nil t)
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(narrow-to-region (match-beginning 0) (match-end 0))
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(vc-cvs-parse-status)
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(goto-char (point-max))
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(widen)))))))
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(defun vc-cvs-working-revision (file)
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"CVS-specific version of `vc-working-revision'."
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;; There is no need to consult RCS headers under CVS, because we
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;; get the workfile version for free when we recognize that a file
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;; is registered in CVS.
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(vc-cvs-registered file)
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(vc-file-getprop file 'vc-working-revision))
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(defun vc-cvs-checkout-model (file)
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"CVS-specific version of `vc-checkout-model'."
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(if (getenv "CVSREAD")
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'announce
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(let ((attrib (file-attributes file)))
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(if (and attrib ;; don't check further if FILE doesn't exist
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;; If the file is not writable (despite CVSREAD being
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;; undefined), this is probably because the file is being
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;; "watched" by other developers.
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;; (If vc-mistrust-permissions was t, we actually shouldn't
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;; trust this, but there is no other way to learn this from CVS
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;; at the moment (version 1.9).)
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(string-match "r-..-..-." (nth 8 attrib)))
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'announce
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'implicit))))
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(defun vc-cvs-mode-line-string (file)
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"Return string for placement into the modeline for FILE.
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Compared to the default implementation, this function does two things:
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Handle the special case of a CVS file that is added but not yet
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committed and support display of sticky tags."
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(let* ((sticky-tag (vc-file-getprop file 'vc-cvs-sticky-tag))
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help-echo
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(string
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(let ((def-ml (vc-default-mode-line-string 'CVS file)))
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(setq help-echo
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(get-text-property 0 'help-echo def-ml))
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def-ml)))
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(propertize
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(if (zerop (length sticky-tag))
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string
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(setq help-echo (format "%s on the '%s' branch"
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help-echo sticky-tag))
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(concat string "[" sticky-tag "]"))
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'help-echo help-echo)))
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;;;
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;;; State-changing functions
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;;;
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(defun vc-cvs-register (files &optional rev comment)
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"Register FILES into the CVS version-control system.
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COMMENT can be used to provide an initial description of FILES.
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`vc-register-switches' and `vc-cvs-register-switches' are passed to
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the CVS command (in that order)."
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;; Register the directories if needed.
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(let (dirs)
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(dolist (file files)
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(and (not (vc-cvs-responsible-p file))
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(vc-cvs-could-register file)
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(push (directory-file-name (file-name-directory file)) dirs)))
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(if dirs (vc-cvs-register dirs)))
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(apply 'vc-cvs-command nil 0 files
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"add"
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(and comment (string-match "[^\t\n ]" comment)
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(concat "-m" comment))
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(vc-switches 'CVS 'register)))
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(defun vc-cvs-responsible-p (file)
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"Return non-nil if CVS thinks it is responsible for FILE."
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(file-directory-p (expand-file-name "CVS"
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(if (file-directory-p file)
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file
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(file-name-directory file)))))
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(defun vc-cvs-could-register (file)
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"Return non-nil if FILE could be registered in CVS.
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This is only possible if CVS is managing FILE's directory or one of
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its parents."
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(let ((dir file))
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(while (and (stringp dir)
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(not (equal dir (setq dir (file-name-directory dir))))
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dir)
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(setq dir (if (file-directory-p
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(expand-file-name "CVS/Entries" dir))
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t (directory-file-name dir))))
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(eq dir t)))
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(defun vc-cvs-checkin (files rev comment)
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"CVS-specific version of `vc-backend-checkin'."
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(unless (or (not rev) (vc-cvs-valid-revision-number-p rev))
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(if (not (vc-cvs-valid-symbolic-tag-name-p rev))
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(error "%s is not a valid symbolic tag name" rev)
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;; If the input revison is a valid symbolic tag name, we create it
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;; as a branch, commit and switch to it.
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(apply 'vc-cvs-command nil 0 files "tag" "-b" (list rev))
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(apply 'vc-cvs-command nil 0 files "update" "-r" (list rev))
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(mapc (lambda (file) (vc-file-setprop file 'vc-cvs-sticky-tag rev))
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files)))
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(let ((status (apply 'vc-cvs-command nil 1 files
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"ci" (if rev (concat "-r" rev))
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(concat "-m" comment)
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(vc-switches 'CVS 'checkin))))
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(set-buffer "*vc*")
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(goto-char (point-min))
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(when (not (zerop status))
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;; Check checkin problem.
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(cond
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((re-search-forward "Up-to-date check failed" nil t)
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(mapc (lambda (file) (vc-file-setprop file 'vc-state 'needs-merge))
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files)
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(error "%s" (substitute-command-keys
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(concat "Up-to-date check failed: "
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"type \\[vc-next-action] to merge in changes"))))
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(t
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(pop-to-buffer (current-buffer))
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(goto-char (point-min))
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(shrink-window-if-larger-than-buffer)
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(error "Check-in failed"))))
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;; Single-file commit? Then update the revision by parsing the buffer.
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;; Otherwise we can't necessarily tell what goes with what; clear
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;; its properties so they have to be refetched.
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(if (= (length files) 1)
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(vc-file-setprop
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(car files) 'vc-working-revision
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(vc-parse-buffer "^\\(new\\|initial\\) revision: \\([0-9.]+\\)" 2))
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(mapc (lambda (file) (vc-file-clearprops file)) files))
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;; Anyway, forget the checkout model of the file, because we might have
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;; guessed wrong when we found the file. After commit, we can
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;; tell it from the permissions of the file (see
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;; vc-cvs-checkout-model).
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(mapc (lambda (file) (vc-file-setprop file 'vc-checkout-model nil))
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files)
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;; if this was an explicit check-in (does not include creation of
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;; a branch), remove the sticky tag.
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(if (and rev (not (vc-cvs-valid-symbolic-tag-name-p rev)))
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(vc-cvs-command nil 0 files "update" "-A"))))
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(defun vc-cvs-find-revision (file rev buffer)
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(apply 'vc-cvs-command
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buffer 0 file
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"-Q" ; suppress diagnostic output
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"update"
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(and rev (not (string= rev ""))
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(concat "-r" rev))
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"-p"
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(vc-switches 'CVS 'checkout)))
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(defun vc-cvs-checkout (file &optional editable rev)
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"Checkout a revision of FILE into the working area.
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EDITABLE non-nil means that the file should be writable.
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REV is the revision to check out."
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(message "Checking out %s..." file)
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;; Change buffers to get local value of vc-checkout-switches.
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(with-current-buffer (or (get-file-buffer file) (current-buffer))
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(if (and (file-exists-p file) (not rev))
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;; If no revision was specified, just make the file writable
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;; if necessary (using `cvs-edit' if requested).
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(and editable (not (eq (vc-cvs-checkout-model file) 'implicit))
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(if vc-cvs-use-edit
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(vc-cvs-command nil 0 file "edit")
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(set-file-modes file (logior (file-modes file) 128))
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(if (equal file buffer-file-name) (toggle-read-only -1))))
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;; Check out a particular revision (or recreate the file).
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(vc-file-setprop file 'vc-working-revision nil)
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(apply 'vc-cvs-command nil 0 file
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(and editable "-w")
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"update"
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(when rev
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(unless (eq rev t)
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;; default for verbose checkout: clear the
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;; sticky tag so that the actual update will
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;; get the head of the trunk
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(if (string= rev "")
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"-A"
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(concat "-r" rev))))
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(vc-switches 'CVS 'checkout)))
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(vc-mode-line file))
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(message "Checking out %s...done" file))
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(defun vc-cvs-delete-file (file)
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(vc-cvs-command nil 0 file "remove" "-f")
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(vc-cvs-command nil 0 file "commit" "-mRemoved."))
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(defun vc-cvs-revert (file &optional contents-done)
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"Revert FILE to the working revision on which it was based."
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(vc-default-revert 'CVS file contents-done)
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(unless (eq (vc-checkout-model file) 'implicit)
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(if vc-cvs-use-edit
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(vc-cvs-command nil 0 file "unedit")
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;; Make the file read-only by switching off all w-bits
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(set-file-modes file (logand (file-modes file) 3950)))))
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(defun vc-cvs-merge (file first-revision &optional second-revision)
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"Merge changes into current working copy of FILE.
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The changes are between FIRST-REVISION and SECOND-REVISION."
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(vc-cvs-command nil 0 file
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"update" "-kk"
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(concat "-j" first-revision)
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(concat "-j" second-revision))
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(vc-file-setprop file 'vc-state 'edited)
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(with-current-buffer (get-buffer "*vc*")
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(goto-char (point-min))
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(if (re-search-forward "conflicts during merge" nil t)
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1 ; signal error
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0))) ; signal success
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(defun vc-cvs-merge-news (file)
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"Merge in any new changes made to FILE."
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(message "Merging changes into %s..." file)
|
|
;; (vc-file-setprop file 'vc-working-revision nil)
|
|
(vc-file-setprop file 'vc-checkout-time 0)
|
|
(vc-cvs-command nil nil 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 working revision
|
|
(if (re-search-forward
|
|
"^Merging differences between [0-9.]* and \\([0-9.]*\\) into" nil t)
|
|
(vc-file-setprop file 'vc-working-revision (match-string 1))
|
|
(vc-file-setprop file 'vc-working-revision nil))
|
|
;; get file status
|
|
(prog1
|
|
(if (eq (buffer-size) 0)
|
|
0 ;; there were no news; indicate success
|
|
(if (re-search-forward
|
|
(concat "^\\([CMUP] \\)?"
|
|
(regexp-quote (file-name-nondirectory file))
|
|
"\\( already contains the differences between \\)?")
|
|
nil t)
|
|
(cond
|
|
;; Merge successful, we are in sync with repository now
|
|
((or (match-string 2)
|
|
(string= (match-string 1) "U ")
|
|
(string= (match-string 1) "P "))
|
|
(vc-file-setprop file 'vc-state 'up-to-date)
|
|
(vc-file-setprop file 'vc-checkout-time
|
|
(nth 5 (file-attributes file)))
|
|
0);; indicate success to the caller
|
|
;; Merge successful, but our own changes are still in the file
|
|
((string= (match-string 1) "M ")
|
|
(vc-file-setprop file 'vc-state 'edited)
|
|
0);; indicate success to the caller
|
|
;; Conflicts detected!
|
|
(t
|
|
(vc-file-setprop file 'vc-state 'edited)
|
|
1);; signal the error to the caller
|
|
)
|
|
(pop-to-buffer "*vc*")
|
|
(error "Couldn't analyze cvs update result")))
|
|
(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.
|
|
Will fail unless you have administrative privileges on the repo."
|
|
(vc-cvs-command nil 0 files "admin" (concat "-m" rev ":" comment)))
|
|
|
|
;;;
|
|
;;; History functions
|
|
;;;
|
|
|
|
(defun vc-cvs-print-log (files &optional buffer)
|
|
"Get change logs associated with FILES."
|
|
;; It's just the catenation of the individual logs.
|
|
(vc-cvs-command
|
|
buffer
|
|
(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-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)))
|
|
(invoke-cvs-diff-list nil)
|
|
status)
|
|
;; Look through the file list and see if any files have backups
|
|
;; that can be used to do a plain "diff" instead of "cvs diff".
|
|
(dolist (file files)
|
|
(let ((ov oldvers)
|
|
(nv newvers))
|
|
(when (or (not ov) (string-equal ov ""))
|
|
(setq ov (vc-working-revision file)))
|
|
(when (string-equal nv "")
|
|
(setq nv nil))
|
|
(let ((file-oldvers (vc-version-backup-file file ov))
|
|
(file-newvers (if (not nv)
|
|
file
|
|
(vc-version-backup-file file nv)))
|
|
(coding-system-for-read (vc-coding-system-for-diff file)))
|
|
(if (and file-oldvers file-newvers)
|
|
(progn
|
|
(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))
|
|
(list (file-relative-name file-oldvers)
|
|
(file-relative-name file-newvers))))
|
|
(setq status 0))
|
|
(push file invoke-cvs-diff-list)))))
|
|
(when invoke-cvs-diff-list
|
|
(setq status (apply 'vc-cvs-command (or buffer "*vc-diff*")
|
|
(if async 'async 1)
|
|
invoke-cvs-diff-list "diff"
|
|
(and oldvers (concat "-r" oldvers))
|
|
(and newvers (concat "-r" newvers))
|
|
(vc-switches 'CVS 'diff))))
|
|
(if async 1 status))) ; async diff, pessimistic assumption
|
|
|
|
(defconst vc-cvs-annotate-first-line-re "^[0-9]")
|
|
|
|
(defun vc-cvs-annotate-process-filter (process string)
|
|
(setq string (concat (process-get process 'output) string))
|
|
(if (not (string-match vc-cvs-annotate-first-line-re string))
|
|
;; Still waiting for the first real line.
|
|
(process-put process 'output string)
|
|
(let ((vc-filter (process-get process 'vc-filter)))
|
|
(set-process-filter process vc-filter)
|
|
(funcall vc-filter process (substring string (match-beginning 0))))))
|
|
|
|
(defun vc-cvs-annotate-command (file buffer &optional revision)
|
|
"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)
|
|
'async 0)
|
|
file "annotate"
|
|
(if revision (concat "-r" revision)))
|
|
;; Strip the leading few lines.
|
|
(let ((proc (get-buffer-process buffer)))
|
|
(if proc
|
|
;; If running asynchronously, use a process filter.
|
|
(progn
|
|
(process-put proc 'vc-filter (process-filter proc))
|
|
(set-process-filter proc 'vc-cvs-annotate-process-filter))
|
|
(with-current-buffer buffer
|
|
(goto-char (point-min))
|
|
(re-search-forward vc-cvs-annotate-first-line-re)
|
|
(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))
|
|
(inhibit-read-only t)
|
|
(inhibit-modification-hooks t))
|
|
(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.
|
|
;; Don't put actual buffer pos here, but only relative
|
|
;; distance, so we don't ever move backward in the
|
|
;; goto-char below, even if the text is moved.
|
|
(- (match-end 0) (match-beginning 0))
|
|
(vc-annotate-convert-time
|
|
(encode-time 0 0 0 day month year))))))))
|
|
(when cache
|
|
(goto-char (+ bol (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
|
|
;;;
|
|
|
|
(defun vc-cvs-create-snapshot (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'.
|
|
If UPDATE is non-nil, then update (resynch) any affected buffers."
|
|
(with-current-buffer (get-buffer-create "*vc*")
|
|
(let ((default-directory dir)
|
|
(sticky-tag))
|
|
(erase-buffer)
|
|
(if (or (not name) (string= 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))
|
|
(if (looking-at "\\([CMUP]\\) \\(.*\\)")
|
|
(let* ((file (expand-file-name (match-string 2) dir))
|
|
(state (match-string 1))
|
|
(buffer (find-buffer-visiting file)))
|
|
(when buffer
|
|
(cond
|
|
((or (string= state "U")
|
|
(string= state "P"))
|
|
(vc-file-setprop file 'vc-state 'up-to-date)
|
|
(vc-file-setprop file 'vc-working-revision nil)
|
|
(vc-file-setprop file 'vc-checkout-time
|
|
(nth 5 (file-attributes file))))
|
|
((or (string= state "M")
|
|
(string= state "C"))
|
|
(vc-file-setprop file 'vc-state 'edited)
|
|
(vc-file-setprop file 'vc-working-revision 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
|
|
;;;
|
|
|
|
(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."
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(re-search-forward "\\$[A-Za-z\300-\326\330-\366\370-\377]+\
|
|
\\(: [\t -#%-\176\240-\377]*\\)?\\$" nil t)))
|
|
|
|
|
|
;;;
|
|
;;; Internal functions
|
|
;;;
|
|
|
|
(defun vc-cvs-root (dir)
|
|
(vc-find-root dir "CVS" t))
|
|
|
|
(defun vc-cvs-command (buffer okstatus files &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" files
|
|
(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)))))
|
|
|
|
;; XXX: This does not work correctly for subdirectories. "cvs status"
|
|
;; 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.
|
|
(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 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))
|
|
(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)
|
|
(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\\):\
|
|
\[\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)
|
|
(if missing 'missing '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)
|
|
;; Heavily inspired by vc-cvs-parse-status. AKA a quick hack.
|
|
;; It 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
|
|
;; 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\\)"
|
|
nil t)
|
|
;; XXX: get rid of narrowing here.
|
|
(narrow-to-region (match-beginning 0) (match-end 0))
|
|
(goto-char (point-min))
|
|
;; The subdir
|
|
(when (looking-at "cvs status: Examining \\(.+\\)")
|
|
(setq subdir (expand-file-name (match-string 1))))
|
|
;; Unregistered files
|
|
(while (looking-at "? \\(.*\\)")
|
|
(setq file (file-relative-name
|
|
(expand-file-name (match-string 1) subdir)))
|
|
(push (list file 'unregistered) result)
|
|
(forward-line 1))
|
|
;; A file entry.
|
|
(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 (file-relative-name
|
|
(expand-file-name (match-string 1) subdir)))
|
|
(if (not (re-search-forward "\\=[ \t]+Status: \\(.*\\)" nil t))
|
|
(push (list 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)
|
|
(if missing 'missing '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 (list file status) result))))))
|
|
(goto-char (point-max))
|
|
(widen))
|
|
(funcall update-function result status-buffer)))
|
|
|
|
;; XXX Experimental function for the vc-dired replacement.
|
|
(defun vc-cvs-dir-status (dir update-function status-buffer)
|
|
"Create a list of conses (file . state) for DIR."
|
|
(vc-cvs-command (current-buffer) 'async dir "status")
|
|
(vc-exec-after
|
|
`(vc-cvs-after-dir-status (quote ,update-function) ,status-buffer)))
|
|
|
|
(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-revision-number-p (tag)
|
|
"Return non-nil if TAG is a valid revision 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
|
|
accordingly. However, `vc-state' is set only if optional arg SET-STATE
|
|
is non-nil."
|
|
(cond
|
|
;; entry for a "locally added" file (not yet committed)
|
|
((looking-at "/[^/]+/0/")
|
|
(vc-file-setprop file 'vc-backend 'CVS)
|
|
(vc-file-setprop file 'vc-checkout-time 0)
|
|
(vc-file-setprop file 'vc-working-revision "0")
|
|
(if set-state (vc-file-setprop file 'vc-state 'added)))
|
|
;; normal entry
|
|
((looking-at
|
|
(concat "/[^/]+"
|
|
;; revision
|
|
"/\\([^/]*\\)"
|
|
;; 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-backend 'CVS)
|
|
(vc-file-setprop file 'vc-working-revision (match-string 1))
|
|
(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)))))))))
|
|
|
|
;; Completion of revision names.
|
|
;; Just so I don't feel like I'm duplicating code from pcl-cvs, I'll use
|
|
;; `cvs log' so I can list all the revision numbers rather than only
|
|
;; tag names.
|
|
|
|
(defun vc-cvs-revision-table (file)
|
|
(let ((default-directory (file-name-directory file))
|
|
(res nil))
|
|
(with-temp-buffer
|
|
(vc-cvs-command t nil file "log")
|
|
(goto-char (point-min))
|
|
(when (re-search-forward "^symbolic names:\n" nil t)
|
|
(while (looking-at "^ \\(.*\\): \\(.*\\)")
|
|
(push (cons (match-string 1) (match-string 2)) res)
|
|
(forward-line 1)))
|
|
(while (re-search-forward "^revision \\([0-9.]+\\)" nil t)
|
|
(push (match-string 1) res))
|
|
res)))
|
|
|
|
(defun vc-cvs-revision-completion-table (files)
|
|
(lexical-let ((files files)
|
|
table)
|
|
(setq table (lazy-completion-table
|
|
table (lambda () (vc-cvs-revision-table (car files)))))
|
|
table))
|
|
|
|
|
|
(provide 'vc-cvs)
|
|
|
|
;; arch-tag: 60e1402a-aa53-4607-927a-cf74f144b432
|
|
;;; vc-cvs.el ends here
|