/usr/lib/obs/server/BSBuild.pm is in obs-server 2.7.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2006, 2007 Michael Schroeder, Novell Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 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
#
################################################################
#
# Build service specific extensions to the build package
#
package BSBuild;
use strict;
sub gen_meta {
my ($myself, $subp, @deps) = @_;
my %depseen;
my @subp = @{$subp || []};
my $subpackre = '';
for (@subp) {
$subpackre .= "|/\Q$_\E/";
}
if ($subpackre) {
$subpackre = substr($subpackre, 1);
$subpackre = qr/$subpackre/;
}
my (%helper1, %helper2, %helper3, %cycle);
for (@deps) {
$helper1{$_} = tr/\///; # count '/'
/^([^ ]+ )((?:.*\/)?([^\/]*))$/ or die("bad dependency line: $_\n");
$helper2{$_} = $2; # path
$helper3{$_} = "$1$3"; # md5 lastpkg
if ($subpackre && "/$2/" =~ /$subpackre/) {
/ ([^\/]+)/ or die("bad dependency line: $_\n");
$cycle{$1} = 1; # detected a cycle!
}
}
if (%cycle) {
my $cyclere = '';
for (sort keys %cycle) {
$cyclere .= "|\Q/$_/\E";
}
$cyclere = substr($cyclere, 1);
$cyclere = qr/$cyclere/;
# kill all deps that use a package that we see directly
@deps = grep {"$_/" !~ /$cyclere/} @deps;
}
@deps = sort {$helper1{$a} <=> $helper1{$b} || $helper2{$a} cmp $helper2{$b} || $a cmp $b} @deps;
my @meta;
push @meta, $myself if defined($myself) && $myself ne '';
for my $d (@deps) {
next if $depseen{$helper3{$d}}; # skip if we already have this pkg with this md5
next if $subpackre && "/$helper2{$d}/" =~ /$subpackre/;
$depseen{$helper3{$d}} = 1;
push @meta, $d;
}
return @meta;
}
1;
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