127 lines
3 KiB
Perl
Executable file
127 lines
3 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# dpkg-ar
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#
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# Copyright © 2024 Guillem Jover <guillem@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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use warnings;
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use strict;
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use Dpkg ();
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use Dpkg::Gettext;
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use Dpkg::ErrorHandling;
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use Dpkg::Archive::Ar;
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textdomain('dpkg-dev');
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my $action;
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sub version
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{
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printf(g_("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION);
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}
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sub usage
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{
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printf(g_("Usage: %s [<option>...]\n"), $Dpkg::PROGNAME);
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print(g_('
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Commands:
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--create <archive> <file>... create an ar archive.
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--list <archive> list the contents of an ar archive.
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--extract <archive> [<file>...] extract the contents of an ar archive.
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-?, --help show this help message.
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--version show the version.
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'));
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}
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sub create
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{
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my ($archive, @files) = @_;
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my $ar = Dpkg::Archive::Ar->new(
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filename => $archive,
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create => 1,
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);
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foreach my $file (@files) {
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$ar->add_file($file);
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}
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}
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sub list
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{
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my $archive = shift;
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my $ar = Dpkg::Archive::Ar->new(filename => $archive);
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foreach my $member (@{$ar->get_members()}) {
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print "$member->{name}\n";
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}
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}
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sub extract
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{
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my ($archive, @files) = @_;
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my %file = map { $_ => 1 } @files;
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my $ar = Dpkg::Archive::Ar->new(filename => $archive);
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foreach my $member (@{$ar->get_members()}) {
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next if @files && ! exists $file{$member->{name}};
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$ar->extract_member($member);
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}
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}
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my @files;
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while (@ARGV) {
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my $arg = shift @ARGV;
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if ($arg eq '-?' or $arg eq '--help') {
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usage();
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exit(0);
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} elsif ($arg eq '-v' or $arg eq '--version') {
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version();
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exit(0);
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} elsif ($arg eq '--create') {
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$action = 'create';
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} elsif ($arg eq '--list') {
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$action = 'list';
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} elsif ($arg eq '--extract') {
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$action = 'extract';
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} elsif ($arg eq '--') {
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push @files, @ARGV;
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last;
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} elsif ($arg =~ m/^-/) {
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usageerr(g_("unknown option '%s'"), $arg);
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} else {
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push @files, $arg;
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}
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}
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@files or usageerr(g_('need at least an archive filename'));
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if ($action eq 'create') {
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if (@files == 1) {
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usageerr(g_('need at least a file to add into the archive'));
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}
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create(@files);
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} elsif ($action eq 'list') {
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list(@files);
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} elsif ($action eq 'extract') {
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extract(@files);
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}
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