mirror of
https://git.savannah.gnu.org/git/emacs.git
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64687872f6
* etc/themes/wombat-theme.el: * etc/themes/wheatgrass-theme.el: * etc/themes/tsdh-light-theme.el: * etc/themes/tsdh-dark-theme.el: * etc/themes/tango-theme.el: * etc/themes/tango-dark-theme.el: * etc/themes/misterioso-theme.el: * etc/themes/manoj-dark-theme.el: * etc/themes/light-blue-theme.el: * etc/themes/leuven-theme.el: * etc/themes/dichromacy-theme.el: * etc/themes/deeper-blue-theme.el: * etc/themes/adwaita-theme.el: Add ':extend' attribute to all faces that are by default defined with it. * lisp/vc/smerge-mode.el (smerge-upper, smerge-lower) (smerge-base): * lisp/vc/log-view.el (log-view-file, log-view-message): * lisp/vc/ediff-init.el (ediff-current-diff-A) (ediff-current-diff-B, ediff-current-diff-C) (ediff-current-diff-Ancestor, ediff-even-diff-A) (ediff-even-diff-B, ediff-even-diff-C) (ediff-even-diff-Ancestor, ediff-odd-diff-A) (ediff-odd-diff-B, ediff-odd-diff-C) (ediff-odd-diff-Ancestor): * lisp/vc/diff-mode.el (diff-header, diff-file-header) (diff-removed, diff-added): Make sure all definitions of faces have the same value of the ':extend' property, otherwise customizing background color or underline etc. attributes of these faces on some displays will produce effects different from other displays.
642 lines
23 KiB
EmacsLisp
642 lines
23 KiB
EmacsLisp
;;; log-view.el --- Major mode for browsing revision log histories -*- lexical-binding: t -*-
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;; Copyright (C) 1999-2019 Free Software Foundation, Inc.
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;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
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;; Keywords: tools, vc
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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 <https://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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;; SCCS, RCS, CVS, Subversion, DaRCS, and Mercurial.
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;; Examples of log output:
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;;;; SCCS:
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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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;;;; 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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(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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(defvar cvs-force-command)
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(defgroup log-view nil
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"Major mode for browsing log output of revision log histories."
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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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'(
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("-" . negative-argument)
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("0" . digit-argument)
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("1" . digit-argument)
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("2" . digit-argument)
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("3" . digit-argument)
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("4" . digit-argument)
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("5" . digit-argument)
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("6" . digit-argument)
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("7" . digit-argument)
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("8" . digit-argument)
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("9" . digit-argument)
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("\C-m" . log-view-toggle-entry-display)
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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 special-mode-map
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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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["Toggle Details at Point" log-view-toggle-entry-display
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:active log-view-expanded-log-entry-function]
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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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(defvar log-view-expanded-log-entry-function nil
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"Function returning the detailed description of a Log View entry.
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It is called by the command `log-view-toggle-entry-display' with
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one arg, the revision tag (a string), and should return a string.
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If it is nil, `log-view-toggle-entry-display' does nothing.")
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(defface log-view-file
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'((((class color) (background light))
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(:background "grey70" :weight bold :extend t))
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(t (:weight bold :extend t)))
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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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(defface log-view-message
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'((((class color) (background light))
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(:background "grey85" :extend t))
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(t (:weight bold :extend t)))
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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-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 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 append)))
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(eval . `(,log-view-message-re . 'log-view-message))))
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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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"The VC fileset corresponding to the current log.")
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(defvar log-view-vc-backend nil
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"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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(hack-dir-local-variables-non-file-buffer))
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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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"Go to revision 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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"Return the 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-entry (&optional pos move)
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"Return the position and revision tag of the Log View entry at POS.
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This is a list (BEG TAG), where BEG is a buffer position and TAG
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is a string. If POS is nil or omitted, it defaults to point.
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If there is no entry at POS, return nil.
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If optional arg MOVE is non-nil, move point to BEG if found.
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Otherwise, don't move point."
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(let ((looping t)
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result)
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(save-excursion
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(when pos (goto-char pos))
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(forward-line 0)
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;; Treat "---" separator lines as part of the following revision.
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(forward-line (if (looking-at "-\\{20,\\}$") 2 1))
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(while looping
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(setq pos (re-search-backward log-view-message-re nil 'move)
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looping (and pos (log-view-inside-comment-p (point)))))
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(when pos
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(setq result
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(list pos (match-string-no-properties 1)))))
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(and move result (goto-char pos))
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result))
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(defun log-view-inside-comment-p (pos)
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"Return non-nil if POS lies inside an expanded log entry."
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(eq (get-text-property pos 'log-view-comment) t))
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(defun log-view-current-tag (&optional pos)
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"Return the revision tag (a string) of the Log View entry at POS.
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if POS is omitted or nil, it defaults to point."
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(cadr (log-view-current-entry pos)))
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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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(let* ((entry (log-view-current-entry nil t))
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(beg (car entry))
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found)
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(when entry
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;; Look to see if the current entry is marked.
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(setq found (get-char-property beg 'log-view-self))
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(if found
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(delete-overlay found)
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;; Create an overlay covering this entry and change its color.
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(let* ((end (if (get-text-property beg 'log-view-entry-expanded)
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(next-single-property-change beg 'log-view-comment)
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(log-view-end-of-defun)
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(point)))
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(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 (nth 1 entry))))))))
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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-toggle-entry-display ()
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"If possible, expand the current Log View entry.
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This calls `log-view-expanded-log-entry-function' to do the work."
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(interactive)
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;; Don't do anything unless `log-view-expanded-log-entry-function'
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;; is defined in this mode.
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(when (functionp log-view-expanded-log-entry-function)
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(let* ((opoint (point))
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(entry (log-view-current-entry nil t))
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(beg (car entry))
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(buffer-read-only nil))
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(when entry
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(if (get-text-property beg 'log-view-entry-expanded)
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;; If the entry is expanded, collapse it.
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(let ((pos (next-single-property-change beg 'log-view-comment)))
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(unless (and pos (log-view-inside-comment-p pos))
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(error "Broken markup in `log-view-toggle-entry-display'"))
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(delete-region pos
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(or
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(next-single-property-change pos 'log-view-comment)
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(point-max)))
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(put-text-property beg (1+ beg) 'log-view-entry-expanded nil)
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(if (< opoint pos)
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(goto-char opoint)))
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;; Otherwise, expand the entry.
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(let ((long-entry (funcall log-view-expanded-log-entry-function
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(nth 1 entry))))
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(when long-entry
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(put-text-property beg (1+ beg) 'log-view-entry-expanded t)
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(log-view-end-of-defun)
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(setq beg (point))
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(insert long-entry "\n")
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(add-text-properties
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beg (point)
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'(font-lock-face font-lock-comment-face log-view-comment t))
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(goto-char opoint))))))))
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(defun log-view-beginning-of-defun (&optional arg)
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"Move backward to the beginning of a Log View entry.
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With ARG, do it that many times. Negative ARG means move forward
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to the beginning of the ARGth following entry.
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This is Log View mode's default `beginning-of-defun-function'.
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It assumes that a log entry starts with a line matching
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`log-view-message-re'."
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(when (null arg) (setf arg 1))
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(if (< arg 0)
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;; In log view, the end of one defun is the beginning of the
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;; next, so punting to log-view-end-of-defun is safe in this
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;; context.
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(log-view-end-of-defun (- arg))
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(let ((found t))
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(while (> arg 0)
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(setf arg (1- arg))
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(let ((cur-start (log-view-current-entry)))
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(setf found
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(cond ((null cur-start)
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(goto-char (point-min))
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nil)
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((>= (car cur-start) (point))
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(unless (bobp)
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(forward-line -1)
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(setf arg (1+ arg)))
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nil)
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(t
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(goto-char (car cur-start))
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t)))))
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found)))
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(defun log-view-end-of-defun-1 ()
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"Move forward to the next Log View entry."
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(let ((looping t))
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(if (looking-at log-view-message-re)
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(goto-char (match-end 0)))
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(while looping
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(cond
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((re-search-forward log-view-message-re nil 'move)
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(unless (log-view-inside-comment-p (point))
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(setq looping nil)
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(goto-char (match-beginning 0))))
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;; Don't advance past the end buttons inserted by
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;; `vc-print-log-setup-buttons'.
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((looking-back "Show 2X entries Show unlimited entries"
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(line-beginning-position))
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(setq looping nil)
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(forward-line -1))
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;; There are no buttons if we've turned on unlimited entries.
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((eobp)
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(setq looping nil))))))
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(defun log-view-end-of-defun (&optional arg)
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"Move forward to the next Log View entry.
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Works like `end-of-defun'."
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(when (null arg) (setf arg 1))
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(if (< arg 0)
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(log-view-beginning-of-defun (- arg))
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(dotimes (_n arg)
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(log-view-end-of-defun-1)
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t)))
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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 (use-region-p) (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 POS.
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If called interactively, 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 (or (> (length log-view-vc-fileset) 1)
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(null (car log-view-vc-fileset))
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(file-directory-p (car log-view-vc-fileset)))
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(user-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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(or (log-view-current-entry nil t)
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(throw 'beginning-of-buffer nil))
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(cond ((memq backend '(SCCS RCS CVS 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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(declare-function vc-modify-change-comment "vc" (files rev oldcomment))
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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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(defun log-view-annotate-version (pos)
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"Annotate the version at POS.
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If called interactively, 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 (or (> (length log-view-vc-fileset) 1)
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(null (car log-view-vc-fileset))
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(file-directory-p (car log-view-vc-fileset)))
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(user-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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(vc-annotate (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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;;
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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 between two revisions.
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If the region is inactive or the mark is on the revision at
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point, get the diff between the revision at point and its
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previous revision. Otherwise, get the diff between the revisions
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where the region starts and ends.
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Unlike `log-view-diff-changeset', this function only shows the
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part of the changeset which affected the currently considered
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file(s)."
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(interactive
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(list (if (use-region-p) (region-beginning) (point))
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(if (use-region-p) (region-end) (point))))
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(log-view-diff-common beg end))
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(defun log-view-diff-changeset (beg end)
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"Get the diff between two revisions.
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If the region is inactive or the mark is on the revision at
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point, get the diff between the revision at point and its
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previous revision. Otherwise, get the diff between the revisions
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where the region starts and ends.
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Unlike `log-view-diff' this function shows the whole changeset,
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including changes affecting other files than the currently
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considered file(s)."
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(interactive
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(list (if (use-region-p) (region-beginning) (point))
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(if (use-region-p) (region-end) (point))))
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(when (eq (vc-call-backend log-view-vc-backend 'revision-granularity) 'file)
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(error "The %s backend does not support changeset diffs" log-view-vc-backend))
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(let ((default-directory (vc-root-dir)))
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(log-view-diff-common beg end t)))
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(defun log-view-diff-common (beg end &optional whole-changeset)
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(let* ((to (log-view-current-tag beg))
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(fr-entry (log-view-current-entry end))
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(fr (cadr fr-entry)))
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;; When TO and FR are the same, or when point is on a line after
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;; the last entry, look at the previous revision.
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(when (or (string-equal fr to)
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(>= end
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(save-excursion
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(goto-char end)
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(log-view-end-of-defun)
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(point))))
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(setq fr (vc-call-backend log-view-vc-backend 'previous-revision nil fr)))
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(vc-diff-internal
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t (list log-view-vc-backend
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;; The value passed here should follow what
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;; `vc-deduce-fileset' returns. If we want to see the
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;; diff for all the files in the changeset, pass NIL for
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;; the file list.
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(unless whole-changeset
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(if log-view-per-file-logs
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(list (log-view-current-file))
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log-view-vc-fileset)))
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fr to)))
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(provide 'log-view)
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;;; log-view.el ends here
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