| Current File : //usr/bin/dpkg-parsechangelog |
#!/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 <https://www.gnu.org/licenses/>.
use strict;
use warnings;
use Dpkg ();
use Dpkg::Gettext;
use Dpkg::Getopt;
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, --file <changelog-file>
get per-version info from this file.
-F <changelog-format> force changelog format.
-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>
set output format (defaults to 'dpkg').
--reverse include all changes in reverse order.
--all include all changes.
-s, --since <version> include all changes later than <version>.
-v <version> ditto.
-u, --until <version> include all changes earlier than <version>.
-f, --from <version> include all changes equal or later than <version>.
-t, --to <version> include all changes up to or equal than <version>.
-c, --count <number> include <number> entries from the top (or tail
if <number> is lower than 0).
-n <number> ditto.
-o, --offset <number> change starting point for --count, counted from
the top (or tail if <number> is lower than 0).
"), $Dpkg::PROGNAME;
}
@ARGV = normalize_options(args => \@ARGV, delim => '--');
while (@ARGV) {
last unless $ARGV[0] =~ m/^-/;
my $arg = shift;
if ($arg eq '--') {
last;
} elsif ($arg eq '-L') {
warning(g_('-L is obsolete; it is without effect'));
} elsif ($arg eq '-F') {
$options{changelogformat} = shift;
usageerr(g_('bad changelog format name'))
unless length $options{changelogformat} and
$options{changelogformat} =~ m/^([0-9a-z]+)$/;
} elsif ($arg eq '--format') {
$options{format} = shift;
} elsif ($arg eq '--reverse') {
$options{reverse} = 1;
} elsif ($arg eq '-l' or $arg eq '--file') {
$options{file} = shift;
usageerr(g_('missing changelog filename'))
unless length $options{file};
} elsif ($arg eq '-S' or $arg eq '--show-field') {
$fieldname = shift;
} elsif ($arg eq '-c' or $arg eq '--count' or $arg eq '-n') {
$options{count} = shift;
} elsif ($arg eq '-f' or $arg eq '--from') {
$options{from} = shift;
} elsif ($arg eq '-o' or $arg eq '--offset') {
$options{offset} = shift;
} elsif ($arg eq '-s' or $arg eq '--since' or $arg eq '-v') {
$options{since} = shift;
} elsif ($arg eq '-t' or $arg eq '--to') {
$options{to} = shift;
} elsif ($arg eq '-u' or $arg eq '--until') {
## no critic (ControlStructures::ProhibitUntilBlocks)
$options{until} = shift;
## use critic
} elsif ($arg eq '--all') {
$options{all} = undef;
} elsif ($arg eq '-?' or $arg eq '--help') {
usage(); exit(0);
} elsif ($arg eq '--version') {
version(); exit(0);
} else {
usageerr(g_("unknown option '%s'"), $arg);
}
}
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) {
next if not exists $f->{$fieldname};
my ($first_line, @lines) = split /\n/, $f->{$fieldname};
my $v = '';
$v .= $first_line if length $first_line;
$v .= "\n";
foreach (@lines) {
s/\s+$//;
if (length == 0 or /^\.+$/) {
$v .= ".$_\n";
} else {
$v .= "$_\n";
}
}
print $v;
} else {
print $f->output();
}
}