package urpm::get_pkgs; # $Id: get_pkgs.pm 267986 2010-04-28 10:10:27Z cfergeau $ use strict; use urpm::msg; use urpm::sys; use urpm::util; use urpm::media; use urpm 'file_from_local_url'; # perl_checker: require urpm::select =head1 NAME urpm::get_pkgs - Package retrieving routines for urpmi =head1 SYNOPSIS =head1 DESCRIPTION =over =cut sub clean_all_cache { my ($urpm) = @_; #- clean download directory, do it here even if this is not the best moment. $urpm->{log}(N("cleaning %s and %s", "$urpm->{cachedir}/partial", "$urpm->{cachedir}/rpms")); urpm::sys::empty_dir("$urpm->{cachedir}/partial"); urpm::sys::empty_dir("$urpm->{cachedir}/rpms"); } sub cachedir_rpms { my ($urpm) = @_; #- examine the local repository, which is trusted (no gpg or pgp signature check but md5 is now done). my %fn2file; foreach my $filepath (glob("$urpm->{cachedir}/rpms/*")) { next if -d $filepath; if (! -s $filepath) { unlink $filepath; #- this file should be removed or is already empty. } else { my $filename = basename($filepath); my ($fullname) = $filename =~ /(.*)\.rpm$/ or next; $fn2file{$fullname} = $filepath; } } \%fn2file; } #- select sources for selected packages, #- according to keys of the packages hash. #- returns a list of lists containing the source description for each rpm, #- matching the exact number of registered media; ignored media being #- associated to a null list. sub _selected2local_and_ids { my ($urpm, $packages, %options) = @_; my (%protected_files, %local_sources, %fullname2id); #- build association hash to retrieve id and examine all list files. foreach (keys %$packages) { foreach my $id (split /\|/, $_) { if ($urpm->{source}{$_}) { my $file = $local_sources{$id} = $urpm->{source}{$id}; $protected_files{$file} = undef; } else { $fullname2id{$urpm->{depslist}[$id]->fullname} = $id; } } } #- examine the local repository, which is trusted (no gpg or pgp signature check but md5 is now done). my $cachedir_rpms = cachedir_rpms($urpm); foreach my $fullname (keys %$cachedir_rpms) { my $filepath = $cachedir_rpms->{$fullname}; if (my $id = delete $fullname2id{$fullname}) { $local_sources{$id} = $filepath; } else { $options{clean_other} && ! exists $protected_files{$filepath} and unlink $filepath; } } my %id2ids; foreach my $id (values %fullname2id) { my $pkg = $urpm->{depslist}[$id]; my $fullname = $pkg->fullname; my @pkg_ids = $pkg->arch eq 'src' ? do { # packages_by_name can't be used here since $urpm->{provides} doesn't have src.rpm # so a full search is needed my %requested; urpm::select::search_packages($urpm, \%requested, [$pkg->name], src => 1); map { split /\|/ } keys %requested; } : do { map { $_->id } grep { $_->filename !~ /\.delta\.rpm$/ || $urpm->is_delta_installable($_, $urpm->{root}); } grep { $fullname eq $_->fullname } $urpm->packages_by_name($pkg->name); }; $id2ids{$id} = \@pkg_ids; } (\%local_sources, \%id2ids); } sub selected2local_and_blists { my ($urpm, $selected, %options) = @_; my ($local_sources, $id2ids) = _selected2local_and_ids($urpm, $selected, %options); # id_map is a remapping of id. # it is needed because @list must be [ { id => pkg } ] where id is one the selected id, # not really the real package id my %id_map; foreach my $id (keys %$id2ids) { $id_map{$_} = $id foreach @{$id2ids->{$id}}; } my @remaining_ids = sort { $a <=> $b } keys %id_map; my @blists = map { my $medium = $_; my %pkgs; if (urpm::media::is_valid_medium($medium) && !$medium->{ignore}) { while (@remaining_ids) { my $id = $remaining_ids[0]; $medium->{start} <= $id && $id <= $medium->{end} or last; shift @remaining_ids; my $pkg = $urpm->{depslist}[$id]; $pkgs{$id_map{$id}} = $pkg; } } %pkgs ? { medium => $medium, pkgs => \%pkgs } : @{[]}; } (@{$urpm->{media} || []}); if (@remaining_ids) { $urpm->{error}(N("package %s is not found.", $urpm->{depslist}[$_]->fullname)) foreach @remaining_ids; return; } ($local_sources, \@blists); } #- side-effects: none sub _create_old_list_from_blists { my ($media, $blists) = @_; [ map { my $medium = $_; my ($blist) = grep { $_->{medium} == $medium } @$blists; { map { $_ => urpm::blist_pkg_to_url($blist, $blist->{pkgs}{$_}) } keys %{$blist->{pkgs}} } } @$media ]; } sub verify_partial_rpm_and_move { my ($urpm, $cachedir, $filename) = @_; URPM::verify_rpm("$cachedir/partial/$filename", nosignatures => 1) or do { unlink "$cachedir/partial/$filename"; return; }; #- it seems the the file has been downloaded correctly and has been checked to be valid. unlink "$cachedir/rpms/$filename"; urpm::sys::move_or_die($urpm, "$cachedir/partial/$filename", "$cachedir/rpms/$filename"); "$cachedir/rpms/$filename"; } =item get_distant_media_filesize($blists, $sources) Get the filesize of packages to download from remote media. =cut sub get_distant_media_filesize { my ($blists, $sources) = @_; my $filesize; #- get back all ftp and http accessible rpm files into the local cache foreach my $blist (@$blists) { #- examine all files to know what can be indexed on multiple media. while (my ($id, $pkg) = each %{$blist->{pkgs}}) { #- the given URL is trusted, so the file can safely be ignored. defined $sources->{$id} and next; if (!urpm::is_local_medium($blist->{medium})) { if (my $n = $pkg->filesize) { $filesize += $n; } } } } $filesize; } =item download_packages_of_distant_media($urpm, $blists, $sources, $error_sources, %options) Download packages listed in $blists, and put the result in $sources or $error_sources Options: quiet, callback, =cut sub download_packages_of_distant_media { my ($urpm, $blists, $sources, $error_sources, %options) = @_; my %errors; my %new_sources; #- get back all ftp and http accessible rpm files into the local cache foreach my $blist (@$blists) { my %blist_distant = (%$blist, pkgs => {}); #- examine all files to know what can be indexed on multiple media. while (my ($id, $pkg) = each %{$blist->{pkgs}}) { #- the given URL is trusted, so the file can safely be ignored. if (defined $sources->{$id}) { $new_sources{$id} = [ $pkg->id, $sources->{$id} ]; delete $sources->{$id}; next; } exists $new_sources{$id} and next; if (urpm::is_local_medium($blist->{medium})) { my $local_file = file_from_local_url(urpm::blist_pkg_to_url($blist, $pkg)); if (-r $local_file) { $new_sources{$id} = [ $pkg->id, $local_file ]; } else { $errors{$id} = [ $local_file, 'missing' ]; } } else { $blist_distant{pkgs}{$id} = $pkg; } } if (%{$blist_distant{pkgs}}) { my ($remote_sources, $remote_errors) = _download_packages_of_distant_media($urpm, \%blist_distant, %options); put_in_hash(\%new_sources, $remote_sources); put_in_hash(\%errors, $remote_errors); } } #- clean failed download which have succeeded. delete @errors{keys %$sources, keys %new_sources}; foreach (values %new_sources) { my ($id, $local_file) = @$_; $sources->{$id} = $local_file; } push @$error_sources, values %errors; 1; } # download packages listed in $blist, # and put the result in $sources or $errors sub _download_packages_of_distant_media { my ($urpm, $blist, %options) = @_; my $cachedir = urpm::valid_cachedir($urpm); my (%sources, %errors); $urpm->{log}(N("retrieving rpm files from medium \"%s\"...", $blist->{medium}{name})); if (urpm::download::sync_rel($urpm, $blist->{medium}, [ urpm::blist_to_filenames($blist) ], dir => "$cachedir/partial", quiet => $options{quiet}, is_versioned => 1, resume => $urpm->{options}{resume}, ask_retry => $options{ask_retry}, callback => $options{callback})) { $urpm->{log}(N("...retrieving done")); } else { $urpm->{error}(N("...retrieving failed: %s", $@)); } #- clean files that have not been downloaded, but keep in mind #- there have been problems downloading them at least once, this #- is necessary to keep track of failing downloads in order to #- present the error to the user. foreach my $id (keys %{$blist->{pkgs}}) { my $pkg = $blist->{pkgs}{$id}; my $filename = $pkg->filename; my $url = urpm::blist_pkg_to_url($blist, $pkg); if ($filename && -s "$cachedir/partial/$filename") { if (my $rpm = verify_partial_rpm_and_move($urpm, $cachedir, $filename)) { $sources{$id} = [ $pkg->id, $rpm ]; } else { $errors{$id} = [ $url, 'bad' ]; } } else { $errors{$id} = [ $url, 'missing' ]; } } (\%sources, \%errors); } 1; __END__ =back =head1 COPYRIGHT Copyright (C) 2005 MandrakeSoft SA Copyright (C) 2005-2010 Mandriva SA =cut