X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/3eb7ddf329945b08b2c4ed4ea2af8cc5dc578a74..657d4c0be3b677dda02f7d7e895ddb259b5de82b:/lib-src/grep-changelog
diff --git a/lib-src/grep-changelog b/lib-src/grep-changelog
index 455d2cea5a..b63ae90eaf 100755
--- a/lib-src/grep-changelog
+++ b/lib-src/grep-changelog
@@ -1,83 +1,101 @@
#! /usr/bin/perl
-# $Id: grep-changelog,v 1.5 2001/07/20 10:02:06 gerd Exp $
-# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
#
# This file is part of GNU Emacs.
-#
-# GNU Emacs is free software; you can redistribute it and/or modify
+
+# GNU Emacs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+
# You should have received a copy of the GNU General Public License
-# along with GNU Emacs; see the file COPYING. If not, write to the
-# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# along with GNU Emacs. If not, see .
# Extract entries from ChangeLogs matching specified criteria.
# Optionally format the resulting output to a form suitable for RCS
# logs, like they are used in Emacs, for example. In this format,
-# author lines leading spaces, and file names are removed.
+# author lines, leading spaces, and file names are removed.
require 5;
+use strict;
# Parse command line options.
+use vars qw($author $regexp $exclude $from_date $to_date
+ $rcs_log $with_date $version $help $reverse
+ @entries);
+
use Getopt::Long;
-$result = GetOptions ("author=s" => \$author,
- "text=s" => \$regexp,
- "exclude=s" => \$exclude,
- "from-date=s" => \$from_date,
- "to-date=s" => \$to_date,
- "rcs-log" => \$rcs_log,
- "with-date" => \$with_date,
- "version" => \$version,
- "help" => \$help);
-
-# If date options are specified, check that they have the format
-# YYYY-MM-DD.
-
-$result = 0 if $from_date && $from_date !~ /^\d\d\d\d-\d\d-\d\d$/;
-$result = 0 if $to_date && $to_date !~ /^\d\d\d\d-\d\d-\d\d$/;
+
+my $result;
+
+if (@ARGV == 0) {
+
+ # No arguments cannot possibly mean "show everything"!!
+ $result = 0;
+
+} else {
+
+ $result = GetOptions ("author=s" => \$author,
+ "text=s" => \$regexp,
+ "exclude=s" => \$exclude,
+ "from-date=s" => \$from_date,
+ "to-date=s" => \$to_date,
+ "rcs-log" => \$rcs_log,
+ "with-date" => \$with_date,
+ "reverse!" => \$reverse,
+ "version" => \$version,
+ "help" => \$help);
+
+ # If date options are specified, check that they have the format
+ # YYYY-MM-DD.
+
+ $result = 0 if $from_date && $from_date !~ /^\d\d\d\d-\d\d-\d\d$/;
+ $result = 0 if $to_date && $to_date !~ /^\d\d\d\d-\d\d-\d\d$/;
+}
# Print usage information and exit when necessary.
if ($result == 0 || $help) {
print <) {
+ while (defined(my $line = )) {
if ($line =~ /^\S/) {
# Line is an author-line. Print previous entry if
# it matches.
@@ -202,25 +229,39 @@ sub parse_changelog ($) {
if header_match_p ($header) && entry_match_p ($entry);
close IN;
+
+ if ($reverse) {
+ for (my $entry = @entries; $entry; $entry--) {
+ print $entries[$entry-1];
+ }
+ }
}
# Main program. Process ChangeLogs.
-if (@ARGV > 0) {
- # If files were specified on the command line, parse those files.
- while ($log = shift @ARGV) {
- parse_changelog ($log);
- }
-} else {
- # Parse default files ChangeLog and ChangeLog.9...ChangeLog.1 in
- # that order.
- parse_changelog ("ChangeLog");
- for ($i = 9; $i >= 1; --$i) {
- my $log = "ChangeLog.$i";
- parse_changelog ($log) if -f $log;
- }
+# If files were specified on the command line, parse those files in the
+# order supplied by the user; otherwise parse default files ChangeLog and
+# ChangeLog.NNN according to $reverse.
+unless (@ARGV > 0) {
+ @ARGV = ("ChangeLog");
+
+ push @ARGV,
+ map {"ChangeLog.$_"}
+ sort {$b <=> $a}
+ map {/\.(\d+)$/; $1}
+ do {
+ opendir D, '.';
+ grep /^ChangeLog\.\d+$/, readdir D;
+ };
+
+ @ARGV = reverse @ARGV if $reverse;
+}
+
+while (defined (my $log = shift @ARGV)) {
+ parse_changelog ($log) if -f $log;
}
+# arch-tag: 9e4f6749-e053-4bb7-b3ad-11947318418e
# grep-changelog ends here.