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|
#!/usr/bin/perl
#
# dpkg-ar
#
# Copyright © 2024 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 warnings;
use strict;
use Dpkg ();
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Archive::Ar;
textdomain('dpkg-dev');
my $action;
sub version()
{
printf(g_("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION);
}
sub usage()
{
printf(g_("Usage: %s [<option>...]\n"), $Dpkg::PROGNAME);
print(g_('
Commands:
--create <archive> <file>... create an ar archive.
--list <archive> list the contents of an ar archive.
--extract <archive> [<file>...] extract the contents of an ar archive.
-?, --help show this help message.
--version show the version.
'));
}
sub create
{
my ($archive, @files) = @_;
my $ar = Dpkg::Archive::Ar->new(
filename => $archive,
create => 1,
);
foreach my $file (@files) {
$ar->add_file($file);
}
}
sub list
{
my $archive = shift;
my $ar = Dpkg::Archive::Ar->new(filename => $archive);
foreach my $member (@{$ar->get_members()}) {
print "$member->{name}\n";
}
}
sub extract
{
my ($archive, @files) = @_;
my %file = map { $_ => 1 } @files;
my $ar = Dpkg::Archive::Ar->new(filename => $archive);
foreach my $member (@{$ar->get_members()}) {
next if @files && ! exists $file{$member->{name}};
$ar->extract_member($member);
}
}
my @files;
while (@ARGV) {
my $arg = shift @ARGV;
if ($arg eq '-?' or $arg eq '--help') {
usage();
exit(0);
} elsif ($arg eq '-v' or $arg eq '--version') {
version();
exit(0);
} elsif ($arg eq '--create') {
$action = 'create';
} elsif ($arg eq '--list') {
$action = 'list';
} elsif ($arg eq '--extract') {
$action = 'extract';
} elsif ($arg eq '--') {
push @files, @ARGV;
last;
} elsif ($arg =~ m/^-/) {
usageerr(g_("unknown option '%s'"), $arg);
} else {
push @files, $arg;
}
}
@files or usageerr(g_('need at least an archive filename'));
if ($action eq 'create') {
if (@files == 1) {
usageerr(g_('need at least a file to add into the archive'));
}
create(@files);
} elsif ($action eq 'list') {
list(@files);
} elsif ($action eq 'extract') {
extract(@files);
}
|
