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|
#!/usr/bin/perl
#
# dpkg-parsechangelog
#
# Copyright © 1996 Ian Jackson
# Copyright © 2001 Wichert Akkerman
# Copyright © 2006-2012 Guillem Jover <guillem@debian.org>
#
# This program 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 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use Dpkg ();
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Changelog::Parse;
textdomain('dpkg-dev');
my %options;
my $fieldname;
sub version {
printf _g("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION;
printf _g('
This is free software; see the GNU General Public License version 2 or
later for copying conditions. There is NO warranty.
');
}
sub usage {
printf _g(
'Usage: %s [<option>...]')
. "\n\n" . _g(
'Options:
-l<changelog-file> get per-version info from this file.
-F<changelog-format> force changelog format.
-L<libdir> look for changelog parsers in <libdir>.
-S, --show-field <field> show the values for <field>.
-?, --help show this help message.
--version show the version.')
. "\n\n" . _g(
"Parser options:
--format <output-format> see man page for list of available
output formats, defaults to 'dpkg'
for compatibility with dpkg-dev
--since <version>, include all changes later than version
-s<version>, -v<version>
--until <version>, include all changes earlier than version
-u<version>
--from <version>, include all changes equal or later
-f<version> than version
--to <version>, -t<version> include all changes up to or equal
than version
--count <number>, include <number> entries from the top
-c<number>, -n<number> (or the tail if <number> is lower than 0)
--offset <number>, change the starting point for --count,
-o<number> counted from the top (or the tail if
<number> is lower than 0)
--all include all changes
"), $Dpkg::PROGNAME;
}
while (@ARGV) {
last unless $ARGV[0] =~ m/^-/;
$_ = shift(@ARGV);
if (m/^-L(.+)$/) {
$options{libdir} = $1;
} elsif (m/^-F([0-9a-z]+)$/) {
$options{changelogformat} = $1;
} elsif (m/^-l(.+)$/) {
$options{file} = $1;
} elsif (m/^-S(.+)$/) {
$fieldname = $1;
} elsif (m/^--show-field(?:=(.+))?$/) {
$fieldname = $1 // shift(@ARGV);
} elsif (m/^--$/) {
last;
} elsif (m/^-([cfnostuv])(.*)$/) {
if (($1 eq 'c') or ($1 eq 'n')) {
$options{count} = $2;
} elsif ($1 eq 'f') {
$options{from} = $2;
} elsif ($1 eq 'o') {
$options{offset} = $2;
} elsif (($1 eq 's') or ($1 eq 'v')) {
$options{since} = $2;
} elsif ($1 eq 't') {
$options{to} = $2;
} elsif ($1 eq 'u') {
## no critic (ControlStructures::ProhibitUntilBlocks)
$options{until} = $2;
## use critic
}
} elsif (m/^--(count|file|format|from|offset|since|to|until)(.*)$/) {
if ($2) {
$options{$1} = $2;
} else {
$options{$1} = shift(@ARGV);
}
} elsif (m/^--all$/) {
$options{all} = undef;
} elsif (m/^-(\?|-help)$/) {
usage(); exit(0);
} elsif (m/^--version$/) {
version(); exit(0);
} else {
usageerr(_g("unknown option \`%s'"), $_);
}
}
usageerr(_g('takes no non-option arguments')) if @ARGV;
my $count = 0;
my @fields = changelog_parse(%options);
foreach my $f (@fields) {
print "\n" if $count++;
if ($fieldname) {
print $f->{$fieldname} . "\n";
} else {
print $f->output();
}
}
|