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56a03f46b8
* log-view.el (top-level): Require 'wid-edit. (Bug#5311) * wid-edit.el (widget-keymap): Doc fix.
545 lines
20 KiB
EmacsLisp
545 lines
20 KiB
EmacsLisp
;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output
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;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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;; 2008, 2009, 2010 Free Software Foundation, Inc.
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;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
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;; Keywords: rcs sccs cvs log version-control tools
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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 of the License, or
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;; (at your option) 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. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Major mode to browse revision log histories.
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;; Currently supports the format output by:
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;; RCS, SCCS, CVS, Subversion, and DaRCS.
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;; Examples of log output:
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;;;; RCS/CVS:
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;; ----------------------------
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;; revision 1.35 locked by: turlutut
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;; date: 2005-03-22 18:48:38 +0000; author: monnier; state: Exp; lines: +6 -8
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;; (gnus-display-time-event-handler):
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;; Check display-time-timer at runtime rather than only at load time
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;; in case display-time-mode is turned off in the mean time.
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;; ----------------------------
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;; revision 1.34
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;; date: 2005-02-09 15:50:38 +0000; author: kfstorm; state: Exp; lines: +7 -7
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;; branches: 1.34.2;
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;; Change release version from 21.4 to 22.1 throughout.
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;; Change development version from 21.3.50 to 22.0.50.
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;;;; SCCS:
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;;;; Subversion:
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;; ------------------------------------------------------------------------
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;; r4622 | ckuethe | 2007-12-23 18:18:01 -0500 (Sun, 23 Dec 2007) | 2 lines
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;;
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;; uBlox AEK-4T in binary mode. Added to unstable because it breaks gpsfake
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;;
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;; ------------------------------------------------------------------------
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;; r4621 | ckuethe | 2007-12-23 16:48:11 -0500 (Sun, 23 Dec 2007) | 3 lines
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;;
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;; Add a note about requiring usbfs to use the garmin gps18 (usb)
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;; Mention firmware testing the AC12 with firmware BQ00 and BQ04
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;;
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;; ------------------------------------------------------------------------
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;; r4620 | ckuethe | 2007-12-23 15:52:34 -0500 (Sun, 23 Dec 2007) | 1 line
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;;
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;; add link to latest hardware reference
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;; ------------------------------------------------------------------------
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;; r4619 | ckuethe | 2007-12-23 14:37:31 -0500 (Sun, 23 Dec 2007) | 1 line
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;;
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;; there is now a regression test for AC12 without raw data output
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;;;; Darcs:
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;; Changes to darcsum.el:
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;;
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;; Mon Nov 28 15:19:38 GMT 2005 Dave Love <fx@gnu.org>
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;; * Abstract process startup into darcsum-start-process. Use TERM=dumb.
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;; TERM=dumb avoids escape characters, at least, for any old darcs that
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;; doesn't understand DARCS_DONT_COLOR & al.
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;;
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;; Thu Nov 24 15:20:45 GMT 2005 Dave Love <fx@gnu.org>
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;; * darcsum-mode-related changes.
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;; Don't call font-lock-mode (unnecessary) or use-local-map (redundant).
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;; Use mode-class 'special. Add :group.
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;; Add trailing-whitespace option to mode hook and fix
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;; darcsum-display-changeset not to use trailing whitespace.
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;;;; Mercurial
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;; changeset: 11:8ff1a4166444
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;; tag: tip
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;; user: Eric S. Raymond <esr@thyrsus.com>
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;; date: Wed Dec 26 12:18:58 2007 -0500
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;; summary: Explain keywords. Add markup fixes.
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;;
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;; changeset: 10:20abc7ab09c3
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;; user: Eric S. Raymond <esr@thyrsus.com>
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;; date: Wed Dec 26 11:37:28 2007 -0500
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;; summary: Typo fixes.
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;;
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;; changeset: 9:ada9f4da88aa
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;; user: Eric S. Raymond <esr@thyrsus.com>
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;; date: Wed Dec 26 11:23:00 2007 -0500
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;; summary: Add RCS example session.
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;;; Todo:
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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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;; - make it easier to add support for new backends without changing the code.
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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-find-revision "vc")
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(autoload 'vc-diff-internal "vc")
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(defvar cvs-minor-wrap-function)
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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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;; Needed because log-view-mode-map inherits from widget-keymap. (Bug#5311)
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(require 'wid-edit)
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(easy-mmode-defmap log-view-mode-map
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'(("z" . kill-this-buffer)
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("q" . quit-window)
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("m" . log-view-toggle-mark-entry)
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("e" . log-view-modify-change-comment)
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("d" . log-view-diff)
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("=" . log-view-diff)
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("D" . log-view-diff-changeset)
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("a" . log-view-annotate-version)
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("f" . log-view-find-revision)
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("n" . log-view-msg-next)
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("p" . log-view-msg-prev)
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("\t" . log-view-msg-next)
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([backtab] . 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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:inherit widget-keymap
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:group 'log-view)
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(easy-menu-define log-view-mode-menu log-view-mode-map
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"Log-View Display Menu"
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`("Log-View"
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;; XXX Do we need menu entries for these?
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;; ["Quit" quit-window]
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;; ["Kill This Buffer" kill-this-buffer]
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["Mark Log Entry for Diff" set-mark-command
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:help ""]
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["Diff Revisions" log-view-diff
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:help "Get the diff between two revisions"]
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["Changeset Diff" log-view-diff-changeset
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:help "Get the changeset diff between two revisions"]
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["Visit Version" log-view-find-revision
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:help "Visit the version at point"]
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["Annotate Version" log-view-annotate-version
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:help "Annotate the version at point"]
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["Modify Log Comment" log-view-modify-change-comment
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:help "Edit the change comment displayed at point"]
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"-----"
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["Next Log Entry" log-view-msg-next
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:help "Go to the next count'th log message"]
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["Previous Log Entry" log-view-msg-prev
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:help "Go to the previous count'th log message"]
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["Next File" log-view-file-next
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:help "Go to the next count'th file"]
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["Previous File" log-view-file-prev
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:help "Go to the previous count'th file"]))
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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
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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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(define-obsolete-face-alias 'log-view-file-face 'log-view-file "22.1")
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(defvar log-view-file-face 'log-view-file)
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(defface log-view-message
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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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;; backward-compatibility alias
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(define-obsolete-face-alias 'log-view-message-face 'log-view-message "22.1")
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(defvar log-view-message-face 'log-view-message)
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(defvar log-view-file-re
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(concat "^\\(?:Working file: \\(?1:.+\\)" ;RCS and CVS.
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;; Subversion has no such thing??
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"\\|\\(?:SCCS/s\\.\\|Changes to \\)\\(?1:.+\\):" ;SCCS and Darcs.
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"\\)\n") ;Include the \n for font-lock reasons.
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"Regexp matching the text identifying the file.
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The match group number 1 should match the file name itself.")
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(defvar log-view-per-file-logs t
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"Set if to t if the logs are shown one file at a time.")
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(defvar log-view-message-re
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(concat "^\\(?:revision \\(?1:[.0-9]+\\)\\(?:\t.*\\)?" ; RCS and CVS.
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"\\|r\\(?1:[0-9]+\\) | .* | .*" ; Subversion.
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"\\|D \\(?1:[.0-9]+\\) .*" ; SCCS.
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;; Darcs doesn't have revision names. VC-darcs uses patch names
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;; instead. Darcs patch names are hashcodes, which do not appear
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;; in the log output :-(, but darcs accepts any prefix of the log
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;; message as a patch name, so we match the first line of the log
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;; message.
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;; First loosely match the date format.
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(concat "\\|[^ \n].*[^0-9\n][0-9][0-9]:[0-9][0-9][^0-9\n].*[^ \n]"
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;;Email of user and finally Msg, used as revision name.
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" .*@.*\n\\(?: \\* \\(?1:.*\\)\\)?")
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"\\)$")
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"Regexp matching the text identifying a revision.
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The match group number 1 should match the revision number itself.")
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(defvar log-view-font-lock-keywords
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;; We use `eval' so as to use the buffer-local value of log-view-file-re
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;; and log-view-message-re, if applicable.
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'((eval . `(,log-view-file-re
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(1 (if (boundp 'cvs-filename-face) cvs-filename-face))
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(0 log-view-file-face append)))
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(eval . `(,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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(defvar log-view-vc-fileset nil
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"Set this to the fileset corresponding to the current log.")
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(defvar log-view-vc-backend nil
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"Set this to the VC backend that created the current log.")
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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 special-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 'beginning-of-defun-function)
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'log-view-beginning-of-defun)
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(set (make-local-variable 'end-of-defun-function)
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'log-view-end-of-defun)
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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 nil t)
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(error "Unable to determine the current file"))
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(let* ((file (match-string 1))
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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 (match-string-no-properties 1)))
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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-toggle-mark-entry ()
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"Toggle the marked state for the log entry at point.
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Individual log entries can be marked and unmarked. The marked
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entries are denoted by changing their background color.
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`log-view-get-marked' returns the list of tags for the marked
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log entries."
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(interactive)
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(save-excursion
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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 ((beg (match-beginning 0))
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end ov ovlist found tag)
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(unless (re-search-forward log-view-file-re pt t)
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;; Look to see if the current entry is marked.
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(setq found (get-char-property (point) 'log-view-self))
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(if found
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(delete-overlay found)
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;; Create an overlay that covers this entry and change
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;; its color.
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(setq tag (log-view-current-tag (point)))
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(forward-line 1)
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(setq end
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(if (re-search-forward log-view-message-re nil t)
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(match-beginning 0)
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(point-max)))
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(setq ov (make-overlay beg end))
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(overlay-put ov 'face 'log-view-file)
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;; This is used to check if the overlay is present.
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(overlay-put ov 'log-view-self ov)
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(overlay-put ov 'log-view-marked tag))))))))
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(defun log-view-get-marked ()
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"Return the list of tags for the marked log entries."
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(save-excursion
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(let ((pos (point-min))
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marked-list ov)
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(while (setq pos (next-single-property-change pos 'face))
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(when (setq ov (get-char-property pos 'log-view-self))
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(push (overlay-get ov 'log-view-marked) marked-list)
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(setq pos (overlay-end ov))))
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marked-list)))
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(defun log-view-beginning-of-defun ()
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;; This assumes that a log entry starts with a line matching
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;; `log-view-message-re'. Modes that derive from `log-view-mode'
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;; for which this assumption is not valid will have to provide
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;; another implementation of this function. `log-view-msg-prev'
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;; does a similar job to this function, we can't use it here
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;; directly because it prints messages that are not appropriate in
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;; this context and it does not move to the beginning of the buffer
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;; when the point is before the first log entry.
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;; `log-view-beginning-of-defun' and `log-view-end-of-defun' have
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;; been checked to work with logs produced by RCS, CVS, git,
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;; mercurial and subversion.
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(re-search-backward log-view-message-re nil 'move))
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(defun log-view-end-of-defun ()
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;; The idea in this function is to search for the beginning of the
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;; next log entry using `log-view-message-re' and then go back one
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;; line when finding it. Modes that derive from `log-view-mode' for
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;; which this assumption is not valid will have to provide another
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;; implementation of this function.
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;; Look back and if there is no entry there it means we are before
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;; the first log entry, so go forward until finding one.
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(unless (save-excursion (re-search-backward log-view-message-re nil t))
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(re-search-forward log-view-message-re nil t))
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;; In case we are at the end of log entry going forward a line will
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;; make us find the next entry when searching. If we are inside of
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;; an entry going forward a line will still keep the point inside
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;; the same entry.
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(forward-line 1)
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;; In case we are at the beginning of an entry, move past it.
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(when (looking-at log-view-message-re)
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(goto-char (match-end 0))
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(forward-line 1))
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;; Search for the start of the next log entry. Go to the end of the
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;; buffer if we could not find a next entry.
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(when (re-search-forward log-view-message-re nil 'move)
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(goto-char (match-beginning 0))
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(forward-line -1)))
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(defvar cvs-minor-current-files)
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(defvar cvs-branch-prefix)
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(defvar cvs-secondary-branch-prefix)
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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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(let* ((beg (point))
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(end (if mark-active (mark) (point)))
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(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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(cons
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;; The first revision has to be the one at point, for
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;; operations that only take one revision
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;; (e.g. cvs-mode-edit).
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(cons (log-view-current-file) fr)
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(cons (log-view-current-file) to))))))
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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-revision (pos)
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"Visit the version at point."
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(interactive "d")
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(unless log-view-per-file-logs
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(when (> (length log-view-vc-fileset) 1)
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(error "Multiple files shown in this buffer, cannot use this command here")))
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(save-excursion
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(goto-char pos)
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(switch-to-buffer (vc-find-revision (if log-view-per-file-logs
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(log-view-current-file)
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(car log-view-vc-fileset))
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(log-view-current-tag)))))
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(defun log-view-extract-comment ()
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"Parse comment from around the current point in the log."
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(save-excursion
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(let (st en (backend (vc-backend (log-view-current-file))))
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(log-view-end-of-defun)
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(cond ((eq backend 'SVN)
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(forward-line -1)))
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(setq en (point))
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(log-view-beginning-of-defun)
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(cond ((memq backend '(SCCS RCS CVS MCVS SVN))
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(forward-line 2))
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|
((eq backend 'Hg)
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(forward-line 4)
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|
(re-search-forward "summary: *" nil t)))
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|
(setq st (point))
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|
(buffer-substring st en))))
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|
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(declare-function vc-modify-change-comment "vc" (files rev oldcomment))
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|
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(defun log-view-modify-change-comment ()
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|
"Edit the change comment displayed at point."
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|
(interactive)
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|
(vc-modify-change-comment (list (if log-view-per-file-logs
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|
(log-view-current-file)
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|
(car log-view-vc-fileset)))
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|
(log-view-current-tag)
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|
(log-view-extract-comment)))
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|
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|
(defun log-view-annotate-version (pos)
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|
"Annotate the version at point."
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|
(interactive "d")
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|
(unless log-view-per-file-logs
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|
(when (> (length log-view-vc-fileset) 1)
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|
(error "Multiple files shown in this buffer, cannot use this command here")))
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|
(save-excursion
|
|
(goto-char pos)
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|
(vc-annotate (if log-view-per-file-logs
|
|
(log-view-current-file)
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|
(car log-view-vc-fileset))
|
|
(log-view-current-tag))))
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|
|
|
;;
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|
;; diff
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|
;;
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|
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|
(defun log-view-diff (beg end)
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|
"Get the diff between two revisions.
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|
If the mark is not active or the mark is on the revision at point,
|
|
get the diff between the revision at point and its previous revision.
|
|
Otherwise, get the diff between the revisions where the region starts
|
|
and ends.
|
|
Contrary to `log-view-diff-changeset', it will only show the part of the
|
|
changeset that affected the currently considered file(s)."
|
|
(interactive
|
|
(list (if mark-active (region-beginning) (point))
|
|
(if mark-active (region-end) (point))))
|
|
(let ((fr (log-view-current-tag beg))
|
|
(to (log-view-current-tag end)))
|
|
(when (string-equal fr to)
|
|
(save-excursion
|
|
(goto-char end)
|
|
(log-view-msg-next)
|
|
(setq to (log-view-current-tag))))
|
|
(vc-diff-internal
|
|
t (list log-view-vc-backend
|
|
(if log-view-per-file-logs
|
|
(list (log-view-current-file))
|
|
log-view-vc-fileset))
|
|
to fr)))
|
|
|
|
(declare-function vc-diff-internal "vc"
|
|
(async vc-fileset rev1 rev2 &optional verbose))
|
|
|
|
(defun log-view-diff-changeset (beg end)
|
|
"Get the diff between two revisions.
|
|
If the mark is not active or the mark is on the revision at point,
|
|
get the diff between the revision at point and its previous revision.
|
|
Otherwise, get the diff between the revisions where the region starts
|
|
and ends.
|
|
Contrary to `log-view-diff', it will show the whole changeset including
|
|
the changes that affected other files than the currently considered file(s)."
|
|
(interactive
|
|
(list (if mark-active (region-beginning) (point))
|
|
(if mark-active (region-end) (point))))
|
|
(when (eq (vc-call-backend log-view-vc-backend 'revision-granularity) 'file)
|
|
(error "The %s backend does not support changeset diffs" log-view-vc-backend))
|
|
(let ((fr (log-view-current-tag beg))
|
|
(to (log-view-current-tag end)))
|
|
(when (string-equal fr to)
|
|
;; TO and FR are the same, look at the previous revision.
|
|
(setq to (vc-call-backend log-view-vc-backend 'previous-revision nil fr)))
|
|
(vc-diff-internal
|
|
t
|
|
;; We want to see the diff for all the files in the changeset, so
|
|
;; pass NIL for the file list. The value passed here should
|
|
;; follow what `vc-deduce-fileset' returns.
|
|
(list log-view-vc-backend nil)
|
|
to fr)))
|
|
|
|
(provide 'log-view)
|
|
|
|
;; arch-tag: 0d64220b-ce7e-4f62-9c2a-6b04c2f81f4f
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|
;;; log-view.el ends here
|