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package Iurt::Urpmi;

use strict;
use RPM4::Header;
use File::Basename;
use File::NCopy qw(copy);
use MDV::Distribconf::Build;
use Iurt::Chroot qw(add_local_user create_temp_chroot check_build_chroot);
use Iurt::Process qw(perform_command clean clean_process sudo);
use Iurt::Config qw(dump_cache_par get_maint get_package_prefix);
use Iurt::Util qw(plog);


sub new {
    my ($class, %opt) = @_;
    my $self = bless {
        config  => $opt{config},
        run => $opt{run},
	urpmi_options => $opt{urpmi_options},
    }, $class;
    my $config = $self->{config};
    my $run = $self->{run};

    if ($run->{use_system_distrib}) {
	$config->{basesystem_media_root} ||= $run->{use_system_distrib};
    } elsif ($run->{chrooted_urpmi}) {
	my ($host) = $run->{chrooted_urpmi}{rooted_media} =~ m,(?:file|http|ftp)://([^/]*),;
	my ($_name, $_aliases, $_addrtype, $_length, @addrs) = gethostbyname($host);

	my $ip = join('.', unpack('C4', $addrs[0]));

	$ip =~ /\d+\.\d+\.\d+\.\d+/
		or die "FATAL: could not resolve $host ip address";

	$run->{chrooted_urpmi}{rooted_media} =~ s/$host/$ip/;
	$run->{chrooted_media} = $run->{chrooted_urpmi}{rooted_media} .
			"/$run->{distro}/$run->{my_arch}";

	# Now squash all slashes that don't follow colon
	$run->{chrooted_media} =~ s|(?<!:)/+|/|g;

	plog('DEBUG', "installation media: $run->{chrooted_media}");
    }
    $self->{urpmi_media_options} .=
	" --use-distrib $config->{repository}/$run->{distro}/$run->{my_arch}";

    $self;
}

sub set_command {
    my ($self, $chroot_tmp) = @_;
    $self->{urpmi_command} = "urpmi $self->{urpmi_options} $self->{urpmi_media_options} --root $chroot_tmp";
}

sub set_local_media {
    my ($self, $local_media) = @_;
    $self->{local_media} = $local_media;
}

sub add_to_local_media {
    my ($self, $chroot_tmp, $srpm, $luser) = @_;
    my $local_media = $self->{local_media};

    system("cp $chroot_tmp/home/$luser/rpm/RPMS/*/*.rpm $local_media &>/dev/null") and plog("ERROR: could not copy rpm files from $chroot_tmp/home/$luser/rpm/RPMS/ to $local_media ($!)");
    system("cp $chroot_tmp/home/$luser/rpm/SRPMS/$srpm $local_media &>/dev/null") and plog("ERROR: could not copy $srpm from $chroot_tmp/home/$luser/rpm/SRPMS/ to $local_media ($!)");
}

sub urpmi_command {
    my ($self, $chroot_tmp, $_luser) = @_;
    my $run = $self->{run};
    my $local_media = $self->{local_media};

    #plog(3, "urpmi_command ($chroot_tmp user $luser)");
    if ($run->{chrooted_urpmi}) { 
	$self->{urpmi_command} = "urpmi $self->{urpmi_options} $self->{urpmi_media_options} --root $chroot_tmp ";

# CM: commented out
#     this was causing rpm database corruption problems and the packages
#     are already installed
#
#        if (!install_packages($self, 'chroot', $chroot_tmp, $local_spool, {}, 'configure', "[ADMIN] installation of urpmi and sudo failed in the chroot $run->{my_arch}", { maintainer => $config->{admin}, check => 1 }, 'urpmi', 'sudo')) {
#	    $run->{chrooted_urpmi} = 0;
#	    return
#	}

	# Here should be added only the needed media for the given package
	#  main/release -> main/release
	#  main/testing -> main/release main/testing
	#  contrib/release -> contrib/release main/release
	#  contrib/testing -> contrib/testing contrib/release main/testing main/release
	#  non-free/release ...
	# This is now done with an option in iurt2 --chrooted-urpmi -m media1 media2 -- media_url

	if ($run->{chrooted_urpmi}{media}) {
	    foreach my $m (@{$run->{chrooted_urpmi}{media}}) {
		my $m_name = $m;
		$m_name =~ s,/,_,g;
		if (!add_media($self, $chroot_tmp, $m_name,
			"$m_name $run->{chrooted_media}/media/$m")) {
		    $run->{chrooted_urpmi} = 0;
		    return;
		}
	    }
	} else {
	    if (!add_media($self, $chroot_tmp, 'Main', "--distrib $run->{chrooted_media}")) {
		if (!add_media($self, $chroot_tmp, 'Main', "--wget --distrib $run->{chrooted_media}")) {
		    $run->{chrooted_urpmi} = 0;
		    return;
		}
	    }
	}

	foreach my $m (@{$run->{additional_media}{media}}) {
	    my $name = "$run->{additional_media}{repository}_$m";
	    $name =~ s![/:]!_!g;

	    my $url;
	    if (($run->{additional_media}{repository} =~ m!^(http:|ftp:)!)) {
		$url = $run->{additional_media}{repository};
	    }
	    else {
		$url = "/urpmi_medias/$run->{distro}/$m";
	    }

	    # Check if the media is not empty, as add_media will abort if it fails
	    opendir (my $DP, $url) or next;
	    my @contents = readdir $DP;
	    close ($DP);
	    if ($#contents <= 1) {
		# Just entries: . ..
		next;
	    }

	    if (!add_media($self, $chroot_tmp, $name, "$name $url")) {
		plog("ERROR: Unable to add media $m");
	    }
	}

	if (-d "$local_media") {
	    mkdir("$chroot_tmp/iurt_media/");
	    opendir my $dir, $local_media;
	    my $next;
	    foreach my $f (readdir $dir) {
		$f =~ /(\.rpm|^hdlist.cz)$/ or next;
		if (!link "$local_media/$f", "$chroot_tmp/iurt_media") {
		    if (!copy "$local_media/$f", "$chroot_tmp/iurt_media") {
			plog("ERROR: could not copy file $local_media/$f to $chroot_tmp/iurt_media");
			$next = 1;
			last;
		    }
		}
	    }
	    next if $next;
	    add_media($self, $chroot_tmp, 'iurt_group', "iurt_group file:///iurt_media") or next;
	}

	$self->{urpmi_command} = "chroot $chroot_tmp urpmi $self->{urpmi_options} ";
	return 1;
    } else {
	$self->{urpmi_command} = "urpmi $self->{urpmi_options} $self->{urpmi_media_options} --root $chroot_tmp";
    }
}

sub check_media_added {
    my ($chroot, $media) = @_;
    my $medias = `sudo chroot $chroot urpmq --list-media 2>&1`;
    print "MEDIA $medias ($media)\n";
    $medias =~ /$media/m;
}

sub add_media {
    my ($self, $chroot, $regexp, $media) = @_;
    my $run = $self->{run};
    my $config = $self->{config};
    my $cache = $run->{cache};

    plog("add chroot media: $run->{chrooted_media}");

    if (!perform_command("sudo chroot $chroot urpmi.addmedia --probe-hdlist $media", 
		$run, $config, $cache, 
		mail => $config->{admin},
		timeout => 300, 
		freq => 1,
		retry => 2,
		debug_mail => $run->{debug})) {
	}
    if (!check_media_added($chroot, $regexp)) { 
	plog('ERR', "ERROR iurt could not add media into the chroot");
	return;
    } 
    1;
}

sub add_packages {
    my ($self, $chroot, $_user, @packages) = @_;
    my $run = $self->{run};
    my $config = $self->{config};
    my $cache = $run->{cache};
    if (!perform_command("sudo $self->{urpmi_command} @packages", 
		$run, $config, $cache, 
		timeout => 300, 
		freq => 1,
		retry => 2,
		error_ok => [ 11 ],
		debug_mail => $run->{debug},
		error_regexp => 'cannot be installed',
		wait_regexp => {
		    'is needed by' => sub { 
		        plog("WARNING: rpm database seems corrupted, retrying"); 
		        system("sudo chroot $chroot rm -rf /var/lib/rpm/__db* &> /dev/null");
		        1;
		        }, 
		    'database locked' => sub { 
		        plog("WARNING: urpmi database locked, waiting...");
		        sleep 30; 
		        $self->{wait_limit}++; 
		        if ($self->{wait_limit} > 10) { 
		    	    $self->{wait_limit} = 0;
			    system(qq(sudo pkill -9 urpmi &>/dev/null));
			    return;
			} 
			1;
		  } },)) {
	plog("ERROR: could not install @packages inside $chroot");
	return 0;
    }
    1;
}

sub get_local_provides {
    my ($self) = @_;
    my $run = $self->{run};
    my $program_name = $run->{program_name};
    my $local_media = $self->{local_media};

    opendir my $dir, $local_media;
    plog(1, "get local provides ($local_media)");
    require URPM;
    my $urpm = new URPM;
    foreach my $d (readdir $dir) {
	$d =~ /\.src\.rpm$/ and next;
	$d =~ /\.rpm$/ or next;
	my $id = $urpm->parse_rpm("$local_media/$d");
	my $pkg = $urpm->{depslist}[$id];
	plog(3, "$program_name: checking $d provides");
        foreach ($pkg->provides, $pkg->files) {
	    plog(3, "$program_name: adding $_ as provides of $d");
	    $run->{local_provides}{$_} = $d;
	}
    }
    1;
}

sub get_build_requires {
    my ($self, $union_id, $luser) = @_;
    my $run = $self->{run};
    my $config = $self->{config};
    my $cache = $run->{cache};

    $run->{todo_requires} = {};
    plog("get_build_requires");

    my ($u_id, $chroot_tmp) = create_temp_chroot($run, $config, $cache, $union_id, $run->{chroot_tmp}, $run->{chroot_tar}) or return;
    add_local_user($chroot_tmp, $run, $config, $luser, $run->{uid}) or return;
    $union_id = $u_id;
    
    my $urpm = new URPM;
    foreach my $p (@{$run->{todo}}) {
	my ($dir, $srpm, $s) = @$p;
	recreate_srpm($self, $run, $config, $chroot_tmp, $dir, $srpm, $run->{user}) or return;
	$s or next;
	my $id = $urpm->parse_rpm("$dir/$srpm");
	my $pkg = $urpm->{depslist}[$id];
        foreach ($pkg->requires) {
	    plog(3, "adding $_ as requires of $srpm");
	    $run->{todo_requires}{$_} = $srpm;
	}
    }
    1;
}

sub order_packages {
    my ($self, $union_id, $provides, $luser) = @_;
    my $run = $self->{run};
    my @packages = @{$run->{todo}};
    my $move;

    plog(1, "order_packages");
    get_local_provides($self) or return;
    if (!$run->{todo_requires}) {
	get_build_requires($self, $union_id, $luser) or return;
    }
    my %visit;
    my %status;
    do { 
	$move = 0;
	foreach my $p (@packages) {
	    my ($_dir, $rpm, $status) = @$p;
	    defined $status{$rpm} && $status{$rpm} == 0 and next;
	    plog("checking packages $rpm");
	    foreach my $r (@{$run->{todo_requires}{$rpm}}) {
		plog("checking requires $r");
		if (!$run->{local_provides}{$r}) { 
		    if ($provides->{$r}) {
			$status = 1;
		    } else {
			$status = 0;
		    }
		} elsif ($visit{$rpm}{$r}) {
		    # to evit loops
		    $status = 0;
		} elsif ($run->{done}{$rpm} && $run->{done}{$provides->{$r}}) {
		    if ($run->{done}{$rpm} < $run->{done}{$provides->{$r}}) {
			$move = 1;
			$status = $status{$provides->{$r}} + 1;
		    } else {
			$status = 0;
		    }
		} elsif ($status < $status{$provides->{$r}}) {
		    $move = 1;
		    $status = $status{$provides->{$r}} + 1;
		}
		$visit{$rpm}{$r} = 1;
	    }
	    $status{$rpm} = $status;
	    $p->[2] = $status;
	}
    } while $move;    
    $run->{todo} = [ sort { $a->[2] <=> $b->[2] } @packages ];
    if ($run->{verbose}) {
	foreach (@packages) {
	    plog("order_packages $_->[1]");
	}
    }
    @packages;
}
	
sub wait_urpmi { 
    my ($self) = @_;
    my $run = $self->{run};

    plog("WARNING: urpmi database locked, waiting...") if $run->{debug};
    sleep 30; 
    $self->{wait_limit}++; 
    if ($self->{wait_limit} > 8) { 
	$self->{wait_limit} = 0; system(qq(sudo pkill -9 urpmi &>/dev/null));
    } 
}

sub install_packages_old {
    my ($self, $local_spool, $srpm, $log, $error, @packages) = @_;
    my $run = $self->{run};
    my $config = $self->{config};
    my $cache = $run->{cache};
    my $log_spool = "$local_spool/log/$srpm/";
    -d $log_spool or mkdir $log_spool;
    if (!perform_command("sudo $self->{urpmi_command} @packages", 
		$run, $config, $cache, 
		#	mail => $maintainer, 
		error => $error, 
		hash => "${log}_$srpm", 
		srpm => $srpm,
		timeout => 600, 
		retry => 2,
		debug_mail => $run->{debug},
		freq => 1, 
		wait_regexp => { 'database locked' => \&wait_urpmi },
		error_regexp => 'unable to access',
		log => $log_spool)) {
	    $cache->{failure}{$srpm} = 1;
	    $run->{status}{$srpm} = 'binary_test_failure';
	    return 0;
	}
	1;
}

sub install_packages {
    my ($self, $title, $chroot_tmp, $local_spool, $pack_provide, $log, $error, $opt, @packages) = @_;

    my $maintainer = $opt->{maintainer};
    my $run = $self->{run};
    my $config = $self->{config};
    my $cache = $run->{cache};
    my $program_name = $run->{program_name};
    my $ok;
    my @to_install;

    plog('DEBUG', "installing @packages");

    if ($run->{chrooted_urpmi}) {
       	@to_install = map { s/$chroot_tmp//; $_ } @packages;
    } else {
	push @to_install, @packages;
    }

    @to_install or return 1;

    (my $log_dirname = $title) =~ s/.*:(.*)\.src.rpm/$1/;

    my $log_spool = "$local_spool/log/$log_dirname/";

    mkdir $log_spool;

    my $try_urpmi = 1;
    my @rpm = grep { !/\.src\.rpm$/ } @to_install;

    return 1 if ($opt->{check} && -f "$chroot_tmp/bin/rpm" && @rpm && !system("sudo chroot $chroot_tmp rpm -q @to_install"));

    if ($try_urpmi) {
	foreach my $try (
		[ '', 'using urpmi' ],
		[ '', 'rebuild rpm base and retry', '_retry' ],
		[ ' --allow-nodeps', 'retrying with nodeps' , '_nodeps' ],
		[ ' --no-install', 'using rpm directly', '_rpm' ]
	) {
	    my ($opt, $msg, $suf) = @$try;

	    plog('INFO', "install dependencies: $msg");
	    my $unsatisfied;

	    if (!perform_command(
		    "sudo $self->{urpmi_command} $opt @to_install", 
		    $run, $config, $cache,
		    error => $error,
		    logname => "${log}$suf", 
		    hash => "${log}_$title$suf", 
		    timeout => 600, 
		    srpm => $title,
		    freq => 1,
		    #cc => $cc, 
		    retry => 3,
		    debug_mail => $run->{debug},
		    error_regexp => 'cannot be installed',
		    wait_regexp => { 
			'database locked' => \&wait_urpmi, 
			'is needed by' => sub { 
			    plog('WARN', "WARNING: rpm database seems corrupted, retrying"); 
			    system("sudo chroot $chroot_tmp rm -rf /var/lib/rpm/__db* &> /dev/null");
			    1;
			}, 
		    }, 
		    log => $log_spool,
		    callback => sub { 
			my ($opt, $output) = @_;
			plog('DEBUG', "calling callback for $opt->{hash}");

# 20060614
# it seems the is needed urpmi error is due to something else (likely a
# database corruption error).	    
# my @missing_deps = $output =~ /(?:(\S+) is needed by )|(?:\(due to unsatisfied ([^[ ]*)(?: (.*)|\[(.*)\])?\))/g;
#

			my @missing_deps = $output =~ /([^ \n]+) \(due to unsatisfied ([^[ \n]*)(?: ([^\n]*)|\[([^\n]*)\])?\)/g;

			# as it seems that rpm db corruption is making urpmi
			# returning false problem on deps installation, try
			# to compile anyway

			@missing_deps or return 1;
			$unsatisfied = 1;

			while (my $missing_package = shift @missing_deps) {
			    my $missing_deps = shift @missing_deps;
			    my $version = shift @missing_deps;
			    my $version2 = shift @missing_deps;
			    $version ||= $version2 || 0;
			    my $p = $pack_provide->{$missing_deps} || $missing_deps;
			    my ($missing_package_name, $first_maint);
			    if ($missing_package !~ /\.src$/) {
				($first_maint, $missing_package_name) = get_maint($run, $missing_package);
				plog(5, "likely $missing_package_name need to be rebuilt ($first_maint)");
			    } else {
				$missing_package = '';
			    }

			    my ($other_maint) = get_maint($run, $p);
			    plog('FAIL', "missing dep: $missing_deps ($other_maint) missing_package $missing_package ($first_maint)");
			    $run->{status}{$title} = 'missing_dep';
			    foreach my $m ($first_maint, $other_maint) { # FIXME: (tv) this loop is useless !!!
				if ($other_maint && $other_maint ne 'NOT_FOUND') {
				    $opt->{mail} = $config->{admin};
				    #$opt->{mail} .= ", $other_maint";
				}
			    }

			    if (!$opt->{mail}) { 
				$opt->{mail} = $config->{admin};
			    }

			    # remember what is needed, and do not try to
			    # recompile until it is available

			    if ($missing_package) {
				$opt->{error} = "[MISSING] $missing_deps, needed by $missing_package to build $title, is not available on $run->{my_arch} (rebuild $missing_package?)";
				$cache->{needed}{$title}{$missing_deps} = { package => $missing_package , version => $version, maint => $first_maint || $other_maint || $maintainer };
			    } else {
				$opt->{error} = "[MISSING] $missing_deps, needed to build $title, is not available on $run->{my_arch}";
				$cache->{needed}{$title}{$missing_deps} = { package => $missing_package , version => $version, maint => $maintainer || $other_maint };
			    }
			} 
			0;
		    },
		)) {
		if (!clean_process($run, "$self->{urpmi_command} $opt @to_install", $run->{verbose})) {
		    dump_cache_par($run);
		    die "FATAL $program_name: Could not have urpmi working !";
		}
		$unsatisfied and last;
	    } else { 
		if (!@rpm || !system("sudo chroot $chroot_tmp rpm -q @rpm")) {
		    plog("installation successful");
		    $ok = 1;
		}
	    }

	    if (-f "$chroot_tmp/bin/rpm") {
		if (!$ok && system("sudo chroot $chroot_tmp rm -rf /var/lib/rpm/__db*; sudo chroot $chroot_tmp rpm --rebuilddb")) {
		    plog("ERROR: rebuilding rpm db failed, aborting ($!)");
		    last;
		}
		if ($suf eq '_rpm') {
		    plog(1, "trying to install all the rpms in $chroot_tmp/var/cache/urpmi/rpms/ manually");
		    if (!system("sudo chroot $chroot_tmp rpm -Uvh --force --nodeps /var/cache/urpmi/rpms/*.rpm")) {
			$ok = 1;
			last;
		    } else {
			$ok = 0;
		    }
		}
	    }
	    last if $ok == 1;
	}
    }
    if (!-f "$chroot_tmp/bin/rpm" || @rpm && system("sudo chroot $chroot_tmp rpm -q @to_install")) {
	plog(1, "ERROR: urpmi is not working, doing it manually");
	my $root = "$config->{repository}/$run->{distro}/$run->{my_arch}";
	my $depslist = "$root/media/media_info/depslist.ordered";
	if (-f $depslist) {
	    my $distrib = $self->{distrib};
	    if (!$distrib) { 
		$distrib = MDV::Distribconf::Build->new($root);
		plog(3, "getting media config from $root");
		if (!$distrib->loadtree) {
		    plog(1, "ERROR: $root does not seem to be a distribution tree\n");
		    return;
		}
		$distrib->parse_mediacfg;
		foreach my $media ($distrib->listmedia) {
		    $media =~ /(SRPMS|debug_)/ and next;
		    my $path = $distrib->getfullpath($media, 'path');
		    opendir my $rpmdh, $path;
		    foreach my $rpm (readdir $rpmdh) {
			if ($rpm =~ /^(.*)-([^-]+)-([^-]+)\.([^.]+)\.rpm/) {
			    $distrib->{file}{"$1-$2-$3.$4"} = "$path/$rpm";
			}
		    }
		}
	    }
	    $self->{distrib} = $distrib;
	    plog(3, "using $depslist to resolve dependencies");
	    open my $depsfh, $depslist;
	    my %packages;
	    my @deps;
	    my $i;
	    my @install;
	    my @pack;
	    while (<$depsfh>) {
		my ($pack, $_size, @d) = split ' ';
		$pack =~ s/:\d+$//;
		push @deps, \@d;
		my ($name, $version, $release, $arch) = $pack =~ /(.*)-([^-]+)-([^-]+)\.([^.]+)$/;
		$pack[$i] = $pack;
		$packages{$pack} ||= $i;
		if ($arch ne 'src' && !$packages{$name}) {
		    $packages{$name} = $i;
		    $packages{"$name-$version"} = $i;
		    $packages{"$name-$version-$release"} = $i;
		}
		$i++;
	    }
	    plog(4, "$i packages found");
	    my %done;
	    # rpm -root $chroot -qa does not work
	    if (-f "$chroot_tmp/bin/rpm") {
		my $qa = `sudo chroot $chroot_tmp rpm -qa --qf "\%{name}-\%{version}-\%{release}.\%{arch}\n"`;
		foreach my $rpm (split "\n", $qa) {
		    plog(6, "$rpm already installed");
		    $done{$rpm} = 1;
		}
	    }
	    foreach my $p (@to_install) {
		my $pa = $pack[$packages{$p}];
		$done{$pa} and next;
		my $f = $distrib->{file}{$pa};
		if ($f) {
		    push @install, $pa;
		} else {
		    plog(1, "ERROR: main package $p is not present in the repository");
		    return 0;
		}
	    }
	    my $dok;
	    while (!$dok) {
		$dok = 1;
		foreach my $p (@install) {
		    $done{$p} and next;
		    $done{$p} = 1;
		    plog(5, "adding deps for $p (", join(', ', @{$deps[$packages{$p}]}, ")"));
		    foreach my $d (@{$deps[$packages{$p}]}) {
			plog("$d (pack $pack[$d]) done $done{$d} done pack $done{$pack[$d]}");
			$done{$d} and next;
			$done{$pack[$d]} and next;
			$done{$d} = 1;
			if ($d =~ /\d+/) {
			    my $f = $distrib->{file}{$pack[$d]};
			    if ($f) {
				$dok = 1;
				plog(5, "adding $pack[$d]");
				push @install, $pack[$d];
			    } else {
				plog(2, "ERROR: deps for $p, $pack[$d] ($d) is not present in the repository");
			    }
			} elsif ($d =~ /\|/) {
			    my $done;
			    foreach my $a (split '\|', $d) {
				my $f = $distrib->{file}{$pack[$a]};
				if ($f) {
				    $done = 1;
				    if (!$done{$pack[$a]}) {
					$dok = 1;
					plog(5, "adding $pack[$a]");
					push @install, $pack[$a];
					$done{$pack[$a]} = 1;
				    }
				    last;
				} else {
				    plog(2, "ERROR: alternate deps, $pack[$a] ($d) is not present in the repository, using alternative");
				}
			    }
			    if (!$done) {
				plog(2, "ERROR: no alternatives present in the repository");
			    }
			}
		    }
		}
	    }
	    my $rpms;
	    my %install_done;
         # FIXME: (tv) this loop could be simplified with uniq() from MDK::Common:
         # eg: $rpms = join(map { "$distrib->{file}{$_}" } uniq(@install))
	    foreach my $rpm (@install) {
		$install_done{$rpm} and next;
		print "$program_name: will install $rpm ($distrib->{file}{$rpm})\n" if $run->{verbose} > 3;
		$install_done{$rpm} = 1;
		$rpms .= "$distrib->{file}{$rpm} ";
	    }
	    if ($rpms) {
		return !system("sudo rpm --ignoresize --nosignature --root $chroot_tmp -Uvh $rpms");
	    }
	    $ok = 1;
	}
    }
    $ok;
}

sub clean_urpmi_process {
    my ($self) = @_;
    my $run = $self->{run};
    my $program_name = $run->{program_name};
    if (!$run->{chrooted_urpmi}) {
	my $match = $self->{urpmi_command} or return;
	if (!clean_process($run, $match, $run->{verbose})) {
	    dump_cache_par($run);
	    die "FATAL $program_name: Could not have urpmi working !";
	}
    }
}

sub update_srpm {
	my ($self, $dir, $rpm, $wrong_rpm) = @_;
	my $run = $self->{run};
	my $cache = $run->{cache};
	my ($arch) = $rpm =~ /([^\.]+)\.rpm$/ or return 0;
	my $srpm = $cache->{rpm_srpm}{$rpm};
	if (!$srpm) {
		my $hdr = RPM4::Header->new("$dir/$rpm");
		$hdr or return 0;
		$srpm = $hdr->queryformat('%{SOURCERPM}');
		$cache->{rpm_srpm}{$rpm} = $srpm;
	}
	$srpm = fix_srpm_name($cache, $srpm, $rpm, $wrong_rpm);
	$arch, $srpm;
}

sub fix_srpm_name {
	my ($cache, $srpm, $rpm, $wrong_rpm) = @_;
	my $old_srpm = $srpm;
	if ($srpm =~ s/^lib64/lib/) {
		push @$wrong_rpm, [ $old_srpm, $rpm ] if ref $wrong_rpm;
		$cache->{rpm_srpm}{$rpm} = $srpm;
	}
	$srpm;
}

sub recreate_srpm {
    my ($_self, $run, $config, $chroot_tmp, $dir, $srpm, $luser, $b_retry) = @_;
# recreate a new srpm for buildarch condition in the spec file
    my $program_name = $run->{program_name};
    my $cache = $run->{cache};
    my $with_flags = $run->{with_flags};

    plog('NOTIFY', "recreate srpm: $srpm");

    perform_command([ 
	sub { 
	    my ($s, $d) = @_; 
	    sudo($run, $config, '--cp', $s, $d) } , [ "$dir/$srpm", "$chroot_tmp/home/$luser/rpm/SRPMS/" ] ], 
	$run, $config, $cache, 
	type => 'perl',
	mail => $config->{admin}, 
	error => "[REBUILD] cannot copy $srpm to $chroot_tmp", 
	debug_mail => $run->{debug},
	hash => "copy_$srpm") or return;

    my %opt = (mail => $config->{admin}, 
	error => "[REBUILD] cannot install $srpm in $chroot_tmp", 
	debug_mail => $run->{debug},
	hash => "install_$srpm",
	retry => $b_retry,
	callback => sub { 
	    my ($opt, $output) = @_;
	    plog('DEBUG', "calling callback for $opt->{hash}");
	    if ($output =~ /warning: (group|user) .* does not exist - using root|Header V3 DSA signature/i) {
		return 1;
	    } elsif ($output =~ /user $luser does not exist|cannot write to \%sourcedir/) {
		plog('WARN', "WARNING: chroot seems corrupted!");
		$opt->{error} = "[CHROOT] chroot is corrupted";
		$opt->{retry} ||= 1;
		return;
	    }
	    1;
	});
    plog('DEBUG', "recreating src.rpm...");
    if (!perform_command(qq(sudo chroot $chroot_tmp su $luser -c "rpm -i /home/$luser/rpm/SRPMS/$srpm"), 
	    $run, $config, $cache, %opt)) {
	plog("ERROR: chrooting failed (retry $opt{retry}") if $run->{debug};
	if ($opt{retry}) {
	    check_build_chroot($run->{chroot_path}, $run->{chroot_tar}, $run,  $config) or return;
	    return -1;
	}
	return;
    }
    
    my $spec;
    my $oldsrpm = "$chroot_tmp/home/$luser/rpm/SRPMS/$srpm";
    my $filelist = `rpm -qlp $oldsrpm`;
    my ($name) = $srpm =~ /(?:.*:)?(.*)-[^-]+-[^-]+\.src\.rpm$/;
    foreach my $file (split "\n", $filelist) {
	if ($file =~ /(.*)\.spec/) {
	    if (!$spec) {
		$spec = $file;
	    } elsif ($1 eq $name) {
		$spec = $file;
	    }
	}
    } 
    # 20060515 This should not be necessairy any more if urpmi *.spec works, but it doesn't
    #
    my $ret = perform_command(qq(sudo chroot $chroot_tmp su $luser -c "rpm --nodeps -bs $with_flags /home/$luser/rpm/SPECS/$spec"), 
	$run, $config, $cache, 
	mail => $config->{admin}, 
	error => "[REBUILD] cannot create $srpm in $chroot_tmp", 
	debug_mail => $run->{debug},
	hash => "create_$srpm"
    );

    # Return if we can't regenerate srpm
    #
    return (0, ,) unless $ret;

    # CM: was: foreach my $file (readdir $dir)
    #     The above line returned entries in a strange order in my test
    #     system, such as
    #      .. 
    #      cowsay-3.03-11mdv2007.1.src.rpm
    #      cowsay-3.03-11mdv2007.0.src.rpm
    #      .
    #     assigning '.' to $new_rpm. Now sorting the output.

    # we should better perform a rpm -qp -qf "%{name}-%{version}-%{release}.src.rpm" $spec
    my $file;
    my $stat;
    foreach my $f (glob "$chroot_tmp/home/$luser/rpm/SRPMS/$name-*.src.rpm") {
	my (@s) = stat $f;
	if ($s[9] > $stat) {
	    $file = $f;
	    $stat = $s[9];
	}
    }     
    my ($new_srpm) = basename($file);
    my $prefix = get_package_prefix($srpm);
    my $newfile = "$chroot_tmp/home/$luser/rpm/SRPMS/$prefix$new_srpm";
    if (-f $file && $newfile ne $file) {
	if (-f $newfile) {
	    sudo($run, $config, '--rm', $newfile) or die "$program_name: could not delete $newfile ($!)";
	}
	sudo($run, $config, '--ln', $file, $newfile) or die "$program_name: linking $file to $newfile failed ($!)";
	unlink $file;
	unlink $oldsrpm if $oldsrpm ne $newfile;
    }
    plog('NOTIFY', "new srpm: $prefix$new_srpm");
    ($ret, "$prefix$new_srpm", $spec);
}

1;