#! /usr/bin/perl
-# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
+# 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., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, 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.
if ($result == 0 || $help) {
print <<USAGE;
+
Usage: $0 [options] [CHANGELOG...]
-Print entries in ChangeLogs matching various criteria. Valid options
-are
- --author=AUTHOR match entries whose author line matches
+Print entries in ChangeLogs matching various criteria.
+Valid options are:
+
+ --author=AUTHOR Match entries whose author line matches
regular expression AUTHOR
- --text=TEXT match entries whose text matches regular
- expression TEXT.
- --exclude=TEXT exclude entries matching TEXT.
- --from-date=YYYY-MM-DD match entries not older than given date
- --to-date=YYYY-MM-DD match entries not younger than given date
- --rcs-log format output suitable for RCS log entries.
- --with-date print short date line in RCS log
- --reverse show entries in reverse (chronological) order
- --version print version info
- --help print this help
+ --text=TEXT Match entries whose text matches regular
+ expression TEXT
+ --exclude=TEXT Exclude entries matching TEXT
+ --from-date=YYYY-MM-DD Match entries not older than given date
+ --to-date=YYYY-MM-DD Match entries not younger than given date
+ --rcs-log Format output suitable for RCS log entries
+ --with-date Print short date line in RCS log
+ --reverse Show entries in reverse (chronological) order
+ --version Print version info
+ --help Print this help
If no CHANGELOG is specified scan the files "ChangeLog" and
-"ChangeLog.[9-1]" 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 $help ? 0 : 1;
+ exit !$help;
}
# Print version info and exit if `--version' was specified.
if ($version) {
- print "0.1\n";
+ print "0.3\n";
exit 0;
}
# options specified, i.e. it matches $author, and its date is in
# the range $from_date <= date <= $to_date.
-sub header_match_p ($) {
+sub header_match_p {
my $header = shift;
return 0 unless $header;
# command line, i.e. it matches $regexp, and it doesn't match
# $exclude.
-sub entry_match_p ($) {
+sub entry_match_p {
my $entry = shift;
return 0 unless $entry;
# lines are not printed, and leading spaces and file names are removed
# from ChangeLog entries.
-sub print_log ($$) {
+sub print_log {
my ($header, $entry) = @_;
my $output = '';
# Scan LOG for matching entries, and print them to standard output.
-sub parse_changelog ($) {
+sub parse_changelog {
my $log = shift;
my $entry = undef;
my $header = undef;
close IN;
if ($reverse) {
- while (defined (my $entry = pop @entries)) {
- print $entry;
+ for (my $entry = @entries; $entry; $entry--) {
+ print $entries[$entry-1];
}
}
}
# 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.9...ChangeLog.1 according to $reverse.
+# ChangeLog.NNN according to $reverse.
unless (@ARGV > 0) {
- @ARGV = ("ChangeLog", map {"ChangeLog.$_"} reverse 1..9);
+ @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;
}
}
+# arch-tag: 9e4f6749-e053-4bb7-b3ad-11947318418e
# grep-changelog ends here.