#! /usr/bin/perl
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005 Free Software Foundation, Inc.
+# 2005, 2006, 2007, 2008, 2009 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., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
+# along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
# Extract entries from ChangeLogs matching specified criteria.
@entries);
use Getopt::Long;
-my $result = GetOptions ("author=s" => \$author,
- "text=s" => \$regexp,
- "exclude=s" => \$exclude,
- "from-date=s" => \$from_date,
- "to-date=s" => \$to_date,
- "rcs-log" => \$rcs_log,
- "with-date" => \$with_date,
- "reverse!" => \$reverse,
- "version" => \$version,
- "help" => \$help);
-
-# If date options are specified, check that they have the format
-# YYYY-MM-DD.
-
-$result = 0 if $from_date && $from_date !~ /^\d\d\d\d-\d\d-\d\d$/;
-$result = 0 if $to_date && $to_date !~ /^\d\d\d\d-\d\d-\d\d$/;
+
+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.
--help Print this help
If no CHANGELOG is specified scan the files "ChangeLog" and
-"ChangeLog.1+" in the current directory. Old-style dates in ChangeLogs
+"ChangeLog.N+" in the current directory. Old-style dates in ChangeLogs
are not recognized.
USAGE
exit !$help;
# Print version info and exit if `--version' was specified.
if ($version) {
- print "0.2\n";
+ print "0.3\n";
exit 0;
}
# 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.1+ according to $reverse.
+# ChangeLog.NNN according to $reverse.
unless (@ARGV > 0) {
@ARGV = ("ChangeLog");