108 lines
3.2 KiB
Perl
Executable file
108 lines
3.2 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# dpkg-vendor
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#
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# Copyright © 2009 Raphaël Hertzog <hertzog@debian.org>
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# Copyright © 2009,2012 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 strict;
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use warnings;
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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::Vendor qw(get_vendor_dir get_vendor_info get_current_vendor);
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textdomain('dpkg-dev');
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sub version {
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printf g_("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION;
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printf g_('
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This is free software; see the GNU General Public License version 2 or
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later for copying conditions. There is NO warranty.
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');
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}
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sub usage {
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printf g_(
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'Usage: %s [<option>...] [<command>]')
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. "\n\n" . g_(
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'Commands:
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--is <vendor> returns true if current vendor is <vendor>.
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--derives-from <vendor> returns true if current vendor derives from <vendor>.
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--query <field> print the content of the vendor-specific field.
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--help show this help message.
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--version show the version.')
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. "\n\n" . g_(
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'Options:
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--vendor <vendor> assume <vendor> is the current vendor.')
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. "\n", $Dpkg::PROGNAME;
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}
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my ($vendor, $param, $action);
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while (@ARGV) {
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$_ = shift(@ARGV);
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if (m/^--vendor$/) {
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$vendor = shift(@ARGV);
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usageerr(g_('%s needs a parameter'), $_) unless defined $vendor;
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} elsif (m/^--(is|derives-from|query)$/) {
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usageerr(g_('two commands specified: --%s and --%s'), $1, $action)
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if defined($action);
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$action = $1;
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$param = shift(@ARGV);
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usageerr(g_('%s needs a parameter'), $_) unless defined $param;
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} elsif (m/^-(?:\?|-help)$/) {
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usage();
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exit 0;
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} elsif (m/^--version$/) {
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version();
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exit 0;
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} else {
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usageerr(g_("unknown option '%s'"), $_);
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}
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}
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usageerr(g_('need an action option')) unless defined($action);
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# Uses $ENV{DEB_VENDOR} if set
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$vendor //= get_current_vendor();
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my $info = get_vendor_info($vendor);
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unless (defined($info)) {
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error(g_("vendor %s doesn't exist in %s"), $vendor || 'default',
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get_vendor_dir());
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}
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if ($action eq 'is') {
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exit(0) if lc($param) eq lc($info->{'Vendor'});
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exit(1);
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} elsif ($action eq 'derives-from') {
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exit(0) if lc($param) eq lc($info->{'Vendor'});
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while (defined($info) && exists $info->{'Parent'}) {
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$info = get_vendor_info($info->{'Parent'});
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exit(0) if lc($param) eq lc($info->{'Vendor'});
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}
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exit(1);
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} elsif ($action eq 'query') {
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if (exists $info->{$param}) {
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print $info->{$param} . "\n";
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exit(0);
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} else {
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exit(1);
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}
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}
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