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#!/usr/bin/perl -w
################################################################
#
# Copyright (c) 1995-2014 SUSE Linux Products GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# 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 (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
BEGIN {
unshift @INC, ($::ENV{'BUILD_DIR'} || '/usr/lib/build');
}
use strict;
use Data::Dumper;
use Getopt::Long;
use Build ':rpm';
use Build::Rpm;
use Build::Rpmmd;
use Digest::MD5 ();
use File::Path qw(mkpath rmtree);
use File::Basename;
use File::Copy qw(move);
use IPC::SysV qw(IPC_PRIVATE S_IRUSR S_IWUSR IPC_CREAT IPC_EXCL SEM_UNDO);
use IPC::Semaphore;
Getopt::Long::Configure("no_ignore_case");
my $opt_dump;
my $opt_old;
my $opt_nosrc;
my $opt_bc;
my $opt_zypp;
my $cachedir = "/var/cache/build";
sub printold {
my ($pkg, $baseurl, $old_seen) = @_;
my $arch = $pkg->{'arch'};
$arch = 'src' if $pkg->{'arch'} eq 'nosrc';
return if $arch eq 'src' && $opt_nosrc;
my $evr = $pkg->{'version'}.'-'.$pkg->{'release'};
$evr = "$pkg->{'epoch'}:$evr" if $pkg->{'epoch'};
my $loc = $baseurl . $pkg->{'location'};
if ($old_seen->{$pkg->{'name'}}->{$arch}) {
my $vv = Build::Rpm::verscmp($old_seen->{$pkg->{'name'}}->{$arch}->{'evr'}, $evr, 0);
if ($vv >= 0) {
print "$loc\n";
return;
}
print $old_seen->{$pkg->{'name'}}->{$arch}->{'loc'}."\n";
}
$old_seen->{$pkg->{'name'}}->{$arch}->{'evr'} = $evr;
$old_seen->{$pkg->{'name'}}->{$arch}->{'loc'} = $loc;
}
GetOptions (
"nosrc" => \$opt_nosrc,
"dump" => \$opt_dump,
"old" => \$opt_old,
"zypp=s" => \$opt_zypp,
"cachedir=s" => \$cachedir,
) or exit(1);
$opt_bc = 1 unless $opt_dump || $opt_old;
my $old_seen = {}; # for opt_old
my @packages; # for opt_dump
for my $url (@ARGV) {
my $dir;
my $baseurl = $url;
if ($opt_zypp) {
$dir = $opt_zypp;
} elsif ($url =~ /^(?:ftps?|https?):\/\/([^\/]*)\/?/) {
my $repoid = Digest::MD5::md5_hex($url);
$dir = "$cachedir/$repoid/";
$baseurl .= '/' unless $baseurl =~ /\/$/;
mkpath("${dir}repodata");
#my $sem;
#my $key = IPC::SysV::ftok($dir, '1');
#if ($sem = IPC::Semaphore->new($key, 1, S_IRUSR | S_IWUSR | IPC_CREAT | IPC_EXCL)) {
# $sem->setval(0, 1);
#} else {
# $sem = IPC::Semaphore->new($key, 1, S_IRUSR | S_IWUSR | IPC_CREAT);
#}
#
#$sem->op(0, -1, SEM_UNDO);
#if (!-f "${dir}repodata/repomd.xml") {
system($INC[0].'/download', "${dir}repodata", "${baseurl}repodata/repomd.xml");
#}
#$sem->op(0, 1, SEM_UNDO);
#$sem->remove();
} else {
$dir = $url;
}
$dir .= '/' unless $dir =~ /\/$/;
$baseurl .= '/' unless $baseurl =~ /\/$/;
if (! -s "${dir}repodata/repomd.xml") {
die("zypp repo $url is not up to date, please refresh first\n") if $opt_zypp;
die("repo $url does not contain a repomd.xml file\n");
}
my @primaryfiles;
Build::Rpmmd::parse_repomd("${dir}repodata/repomd.xml", \@primaryfiles);
@primaryfiles = grep {$_->{'type'} eq 'primary' && defined($_->{'location'})} @primaryfiles;
# print Dumper(\@primaryfiles);
for my $f (@primaryfiles) {
my $u = "$dir$f->{'location'}";
if ($] > 5.007) {
require Encode;
utf8::downgrade($u);
}
my $cached;
#my $sem;
#my $key = IPC::SysV::ftok("${dir}repodata/", '1');
#if ($sem = IPC::Semaphore->new($key, 1, S_IRUSR | S_IWUSR | IPC_CREAT | IPC_EXCL)) {
# $sem->setval(0, 1);
#} else {
# $sem = IPC::Semaphore->new($key, 1, S_IRUSR | S_IWUSR | IPC_CREAT);
#}
#$sem->op(0, -1, SEM_UNDO);
if (-e $u) {
$cached = 1;
$cached = 0 if exists($f->{'size'}) && $f->{'size'} != (-s _);
$cached = 0 if !exists($f->{'size'}) && $u !~ /[0-9a-f]{32}-primary/;
}
if (!$cached) {
die("zypp repo $url is not up to date, please refresh first\n") if $opt_zypp;
if ($url =~ /^(?:ftps?|https?):\/\/([^\/]*)\/?/) {
if (system("$INC[0]/download", "${dir}repodata/", "${baseurl}repodata/" . basename($u))) {
die("download failed\n");
}
} else {
die("inconsistent repodata in $url\n");
}
}
#$sem->op(0, 1, SEM_UNDO);
#$sem->remove();
my $fh;
open($fh, '<', $u) or die "Error opening $u: $!\n";
if ($u =~ /\.gz$/) {
use IO::Uncompress::Gunzip qw($GunzipError);
$fh = new IO::Uncompress::Gunzip $fh or die "Error opening $u: $GunzipError\n";
}
Build::Rpmmd::parse($fh, sub {
if ($opt_dump) {
$_[0]->{'baseurl'} = $baseurl;
push @packages, $_[0] if $opt_dump;
}
if ($opt_bc) {
Build::writedeps(\*STDOUT, $_[0], $baseurl);
} elsif ($opt_old) {
printold($_[0], $baseurl, $old_seen);
}
}, 'addselfprovides' => 1);
close($fh);
}
}
if ($opt_dump) {
print Data::Dumper->Dump([\@packages], ['packages']); # caution: excessive memory consumption!
}
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