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#!/usr/bin/perl
#
# dpkg-name
#
# Copyright © 1995,1996 Erick Branderhorst <branderh@debian.org>.
# Copyright © 2006-2010,2012-2013 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 File::Basename;
use File::Path;
use Dpkg ();
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Control;
use Dpkg::Arch qw(get_host_arch);
textdomain('dpkg-dev');
my %options = (
subdir => 0,
destdir => '',
createdir => 0,
overwrite => 0,
symlink => 0,
architecture => 1,
);
sub version()
{
printf(_g("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION);
}
sub usage()
{
printf(_g("Usage: %s [<option>...] <file>...\n"), $Dpkg::PROGNAME);
print(_g("
Options:
-a, --no-architecture no architecture part in filename.
-o, --overwrite overwrite if file exists.
-k, --symlink don't create a new file, but a symlink.
-s, --subdir [dir] move file into subdir (use with care).
-c, --create-dir create target dir if not there (use with care).
-?, --help show this help message.
-v, --version show the version.
file.deb changes to <package>_<version>_<architecture>.<package_type>
according to the 'underscores convention'.
"));
}
sub fileexists($)
{
my ($filename) = @_;
if (-f $filename) {
return 1;
} else {
warning(_g("cannot find '%s'"), $filename);
return 0;
}
}
sub filesame($$)
{
my ($a, $b) = @_;
my @sta = stat($a);
my @stb = stat($b);
# Same device and inode numbers.
return (@sta and @stb and $sta[0] == $stb[0] and $sta[1] == $stb[1]);
}
sub getfields($)
{
my ($filename) = @_;
# Read the fields
open(my $cdata_fh, '-|', 'dpkg-deb', '-f', '--', $filename)
or syserr(_g('cannot open %s'), $filename);
my $fields = Dpkg::Control->new(type => CTRL_PKG_DEB);
$fields->parse($cdata_fh, sprintf(_g('binary control file %s'), $filename));
close($cdata_fh);
return $fields;
}
sub getarch($$)
{
my ($filename, $fields) = @_;
my $arch = $fields->{Architecture};
if (not $fields->{Architecture} and $options{architecture}) {
$arch = get_host_arch();
warning(_g("assuming architecture '%s' for '%s'"), $arch, $filename);
}
return $arch;
}
sub getname($$$)
{
my ($filename, $fields, $arch) = @_;
my $pkg = $fields->{Package};
(my $version = $fields->{Version}) =~ s/.*://;
my $type = $fields->{'Package-Type'} || 'deb';
my $tname;
if ($options{architecture}) {
$tname = "$pkg\_$version\_$arch.$type";
} else {
$tname = "$pkg\_$version.$type";
}
(my $name = $tname) =~ s/ //g;
if ($tname ne $name) { # control fields have spaces
warning(_g("bad package control information for '%s'"), $filename);
}
return $name;
}
sub getdir($$$)
{
my ($filename, $fields, $arch) = @_;
my $dir;
if (!$options{destdir}) {
$dir = dirname($filename);
if ($options{subdir}) {
my $section = $fields->{Section};
if (!$section) {
$section = 'no-section';
warning(_g("assuming section '%s' for '%s'"), $section,
$filename);
}
if ($section ne 'non-free' and $section ne 'contrib' and
$section ne 'no-section') {
$dir = "unstable/binary-$arch/$section";
} else {
$dir = "$section/binary-$arch";
}
}
} else {
$dir = $options{destdir};
}
return $dir;
}
sub move($)
{
my ($filename) = @_;
if (fileexists($filename)) {
my $fields = getfields($filename);
unless (exists $fields->{Package}) {
warning(_g("no Package field found in '%s', skipping it"),
$filename);
return;
}
my $arch = getarch($filename, $fields);
my $name = getname($filename, $fields, $arch);
my $dir = getdir($filename, $fields, $arch);
if (! -d $dir) {
if ($options{createdir}) {
if (mkpath($dir)) {
info(_g("created directory '%s'"), $dir);
} else {
error(_g("cannot create directory '%s'"), $dir);
}
} else {
error(_g("no such directory '%s', try --create-dir (-c) option"),
$dir);
}
}
my $newname = "$dir/$name";
my @command;
if ($options{symlink}) {
@command = qw(ln -s --);
} else {
@command = qw(mv --);
}
if (filesame($newname, $filename)) {
warning(_g("skipping '%s'"), $filename);
} elsif (-f $newname and not $options{overwrite}) {
warning(_g("cannot move '%s' to existing file"), $filename);
} elsif (system(@command, $filename, $newname) == 0) {
info(_g("moved '%s' to '%s'"), basename($filename), $newname);
} else {
error(_g('mkdir can be used to create directory'));
}
}
}
my @files;
while (@ARGV) {
$_ = shift(@ARGV);
if (m/^-\?|--help$/) {
usage();
exit(0);
} elsif (m/^-v|--version$/) {
version();
exit(0);
} elsif (m/^-c|--create-dir$/) {
$options{createdir} = 1;
} elsif (m/^-s|--subdir$/) {
$options{subdir} = 1;
if (-d $ARGV[0]) {
$options{destdir} = shift(@ARGV);
}
} elsif (m/^-o|--overwrite$/) {
$options{overwrite} = 1;
} elsif (m/^-k|--symlink$/) {
$options{symlink} = 1;
} elsif (m/^-a|--no-architecture$/) {
$options{architecture} = 0;
} elsif (m/^--$/) {
push @files, @ARGV;
last;
} elsif (m/^-/) {
usageerr(_g("unknown option \`%s'"), $_);
} else {
push @files, $_;
}
}
@files or usageerr(_g('need at least a filename'));
foreach my $file (@files) {
move($file);
}
0;