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207 lines
6.4 KiB
EmacsLisp
207 lines
6.4 KiB
EmacsLisp
;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output
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;; Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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;; Author: Stefan Monnier <monnier@cs.yale.edu>
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;; Keywords: rcs sccs cvs log version-control
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;; Revision: $Id: log-view.el,v 1.12 2001/12/16 16:28:59 monnier Exp $
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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 2, 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., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; Todo:
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;; - add compatibility with cvs-log.el
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;; - add ability to modify a log-entry (via cvs-mode-admin ;-)
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;; - remove references to cvs-*
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;;; Code:
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(eval-when-compile (require 'cl))
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(require 'pcvs-util)
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(autoload 'vc-version-diff "vc")
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(defgroup log-view nil
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"Major mode for browsing log output of RCS/CVS/SCCS."
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:group 'pcl-cvs
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:prefix "log-view-")
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(easy-mmode-defmap log-view-mode-map
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'(("q" . quit-window)
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("z" . kill-this-buffer)
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("m" . set-mark-command)
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("d" . log-view-diff)
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("f" . log-view-find-version)
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("n" . log-view-msg-next)
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("p" . log-view-msg-prev)
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("N" . log-view-file-next)
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("P" . log-view-file-prev)
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("\M-n" . log-view-file-next)
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("\M-p" . log-view-file-prev))
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"Log-View's keymap."
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:group 'log-view
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;; Here I really need either buffer-local keymap-inheritance
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;; or a minor-mode-map with lower precedence than the local map.
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:inherit (if (boundp 'cvs-mode-map) cvs-mode-map))
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(defvar log-view-mode-hook nil
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"Hook run at the end of `log-view-mode'.")
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(defface log-view-file-face
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'((((class color) (background light))
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(:background "grey70" :weight bold))
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(t (:weight bold)))
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"Face for the file header line in `log-view-mode'."
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:group 'log-view)
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(defvar log-view-file-face 'log-view-file-face)
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(defface log-view-message-face
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'((((class color) (background light))
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(:background "grey85"))
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(t (:weight bold)))
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"Face for the message header line in `log-view-mode'."
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:group 'log-view)
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(defvar log-view-message-face 'log-view-message-face)
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(defconst log-view-file-re
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(concat "^\\("
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"Working file: \\(.+\\)"
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"\\|SCCS/s\\.\\(.+\\):"
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"\\)\n"))
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(defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\|rev \\([0-9]+\\): .*\\|D \\([.0-9]+\\) .*\\)$")
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(defconst log-view-font-lock-keywords
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`((,log-view-file-re
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(2 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
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(3 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
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(0 log-view-file-face append))
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(,log-view-message-re . log-view-message-face)))
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(defconst log-view-font-lock-defaults
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'(log-view-font-lock-keywords t nil nil nil))
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;;;;
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;;;; Actual code
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;;;;
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;;;###autoload
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(define-derived-mode log-view-mode fundamental-mode "Log-View"
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"Major mode for browsing CVS log output."
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(setq buffer-read-only t)
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(set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults)
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(set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap))
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;;;;
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;;;; Navigation
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;;;;
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;; define log-view-{msg,file}-{next,prev}
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(easy-mmode-define-navigation log-view-msg log-view-message-re "log message")
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(easy-mmode-define-navigation log-view-file log-view-file-re "file")
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(defun log-view-goto-rev (rev)
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(goto-char (point-min))
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(ignore-errors
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(while (not (equal rev (log-view-current-tag)))
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(log-view-msg-next))
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t))
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;;;;
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;;;; Linkage to PCL-CVS (mostly copied from cvs-status.el)
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;;;;
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(defconst log-view-dir-re "^cvs[.ex]* [a-z]+: Logging \\(.+\\)$")
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(defun log-view-current-file ()
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(save-excursion
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(forward-line 1)
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(or (re-search-backward log-view-file-re nil t)
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(re-search-forward log-view-file-re))
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(let* ((file (or (match-string 2) (match-string 3)))
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(cvsdir (and (re-search-backward log-view-dir-re nil t)
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(match-string 1)))
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(pcldir (and (boundp 'cvs-pcl-cvs-dirchange-re)
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(re-search-backward cvs-pcl-cvs-dirchange-re nil t)
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(match-string 1)))
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(dir ""))
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(let ((default-directory ""))
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(when pcldir (setq dir (expand-file-name pcldir dir)))
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(when cvsdir (setq dir (expand-file-name cvsdir dir))))
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(expand-file-name file dir))))
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(defun log-view-current-tag (&optional where)
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(save-excursion
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(when where (goto-char where))
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(forward-line 1)
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(let ((pt (point)))
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(when (re-search-backward log-view-message-re nil t)
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(let ((rev (or (match-string 2) (match-string 3) (match-string 4))))
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(unless (re-search-forward log-view-file-re pt t)
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rev))))))
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(defun log-view-minor-wrap (buf f)
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(let ((data (with-current-buffer buf
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(cons
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(cons (log-view-current-file)
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(log-view-current-tag))
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(when mark-active
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(save-excursion
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(goto-char (mark))
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(cons (log-view-current-file)
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(log-view-current-tag))))))))
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(let ((cvs-branch-prefix (cdar data))
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(cvs-secondary-branch-prefix (and (cdar data) (cddr data)))
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(cvs-minor-current-files
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(cons (caar data)
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(when (and (cadr data) (not (equal (caar data) (cadr data))))
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(list (cadr data)))))
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;; FIXME: I need to force because the fileinfos are UNKNOWN
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(cvs-force-command "/F"))
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(funcall f))))
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(defun log-view-find-version (pos)
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"Visit the version at point."
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(interactive "d")
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(save-excursion
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(goto-char pos)
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(switch-to-buffer (vc-find-version (log-view-current-file)
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(log-view-current-tag)))))
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;;
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;; diff
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;;
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(defun log-view-diff (beg end)
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"Get the diff for several revisions.
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If the point is the same as the mark, get the diff for this revision.
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Otherwise, get the diff between the revisions
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were the region starts and ends."
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(interactive "r")
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(let ((fr (log-view-current-tag beg))
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(to (log-view-current-tag end)))
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(when (string-equal fr to)
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(save-excursion
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(goto-char end)
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(log-view-msg-next)
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(setq to (log-view-current-tag))))
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(vc-version-diff (log-view-current-file) to fr)))
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(provide 'log-view)
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;;; log-view.el ends here
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