package urpm; use strict; use vars qw($VERSION @ISA); $VERSION = '1.6'; =head1 NAME urpm - Mandrake perl tools to handle urpmi database =head1 SYNOPSYS require urpm; my $urpm = new urpm; $urpm->read_depslist(); $urpm->read_provides(); $urpm->read_compss(); $urpm->read_config(); =head1 DESCRIPTION C is used by urpmi executable to manipulate packages and mediums on a Linux-Mandrake distribution. =head1 SEE ALSO rpmtools package is used to manipulate at a lower level hdlist and rpm files. =head1 COPYRIGHT Copyright (C) 2000 MandrakeSoft This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. =cut use rpmtools; use POSIX; use Locale::GetText; #- I18N. setlocale (LC_ALL, ""); Locale::GetText::textdomain ("urpmi"); sub _ { my ($format, @params) = @_; sprintf(Locale::GetText::I_($format), @params); } #- create a new urpm object. sub new { my ($class) = @_; bless { config => "/etc/urpmi/urpmi.cfg", skiplist => "/etc/urpmi/skip.list", depslist => "/var/lib/urpmi/depslist.ordered", provides => "/var/lib/urpmi/provides", compss => "/var/lib/urpmi/compss", statedir => "/var/lib/urpmi", cachedir => "/var/cache/urpmi", media => undef, params => new rpmtools, fatal => sub { printf STDERR "%s\n", $_[1]; exit($_[0]) }, error => sub { printf STDERR "%s\n", $_[0] }, log => sub { printf STDERR "%s\n", $_[0] }, }, $class; } #- quoting/unquoting a string that may be containing space chars. sub quotespace { local $_ = $_[0]; s/(\s)/\\$1/g; $_ } sub unquotespace { local $_ = $_[0]; s/\\(\s)/$1/g; $_ } #- read /etc/urpmi/urpmi.cfg as config file, keep compability with older #- configuration file by examining if one entry is of the form #- { #- ... #- } #- else only this form is used #- #- with sub read_config { my ($urpm, %options) = @_; #- keep in mind if it has been called before. $urpm->{media} and return; $urpm->{media} ||= []; #- check urpmi.cfg content, if the file is old keep track #- of old format used. local (*F, $_); open F, $urpm->{config}; #- no filename can be allowed on some case while () { chomp; s/#.*$//; s/^\s*//; s/\s*$//; /^(.*?[^\\])\s+(?:(.*?[^\\])\s+)?{$/ and do { #- urpmi.cfg format extention my $medium = { name => unquotespace($1), clear_url => unquotespace($2) }; while () { chomp; s/#.*$//; s/^\s*//; s/\s*$//; /^hdlist\s*:\s*(.*)$/ and $medium->{hdlist} = $1, next; /^with_hdlist\s*:\s*(.*)$/ and $medium->{with_hdlist} = $1, next; /^list\s*:\s*(.*)$/ and $medium->{list} = $1, next; /^removable\s*:\s*(.*)$/ and $medium->{removable} = $1, next; /^update\s*$/ and $medium->{update} = 1, next; /^ignore\s*$/ and $medium->{ignore} = 1, next; /^modified\s*$/ and $medium->{modified} = 1, next; $_ eq '}' and last; $_ and $urpm->{error}(_("syntax error in config file at line %s", $.)); } $urpm->probe_medium($medium, %options) and push @{$urpm->{media}}, $medium; next; }; /^(.*?[^\\])\s+(.*?[^\\])\s+with\s+(.*)$/ and do { #- urpmi.cfg old format for ftp my $medium = { name => unquotespace($1), clear_url => unquotespace($2), with_hdlist => unquotespace($3) }; $urpm->probe_medium($medium, %options) and push @{$urpm->{media}}, $medium; next; }; /^(.*?[^\\])\s+(?:(.*?[^\\])\s*)?$/ and do { #- urpmi.cfg old format (assume hdlist..cz2?) my $medium = { name => unquotespace($1), clear_url => unquotespace($2) }; $urpm->probe_medium($medium, %options) and push @{$urpm->{media}}, $medium; next; }; $_ and $urpm->{error}(_("syntax error in config file at line %s", $.)); } close F; #- keep in mind when an hdlist/list file is used, really usefull for #- the next probe. my (%hdlists, %lists); foreach (@{$urpm->{media}}) { exists $hdlists{$_->{hdlist}} and $_->{ignore} = 1, $urpm->{error}(_("medium \"%s\" try to use an already used hdlist, medium ignored", $_->{name})); $hdlists{$_->{hdlist}} = undef; exists $lists{$_->{list}} and $_->{ignore} = 1, $urpm->{error}(_("medium \"%s\" try to use an already used list, medium ignored", $_->{name})); $lists{$_->{list}} = undef; } #- urpmi.cfg if old is not enough to known the various media, track #- directly into /var/lib/urpmi, foreach (glob("$urpm->{statedir}/hdlist.*")) { if (/\/hdlist\.((.*)\.cz2?)$/) { #- check if it has already been detected above. exists $hdlists{"hdlist.$1"} and next; #- if not this is a new media to take care if #- there is a list file. if (-s "$urpm->{statedir}/list.$2") { if (exists $lists{"list.$2"}) { $urpm->{error}(_("unable to take care of medium \"%s\" as list file is already used by another medium", $2)); } else { my $medium; foreach (@{$urpm->{media}}) { $_->{name} eq $2 and $medium = $_, last; } $medium and $urpm->{error}(_("unable to use name \"%s\" for unamed medium because it is already used", $2)), next; $medium = { name => $2, hdlist => "hdlist.$1", list => "list.$2" }; $urpm->probe_medium($medium, %options) and push @{$urpm->{media}}, $medium; } } else { $urpm->{error}(_("unable to take medium \"%s\" into account as no list file [%s] exists", $2, "$urpm->{statedir}/list.$2")); } } else { $urpm->{error}(_("unable to determine medium of this hdlist file [%s]", $_)); } } #- check the presence of hdlist file and list file if necessary. #- TODO?: degraded mode is possible with a list file but no hdlist, the medium #- is no longer updatable nor removable TODO unless ($options{nocheck_access}) { foreach (@{$urpm->{media}}) { $_->{ignore} and next; -r "$urpm->{statedir}/$_->{hdlist}" or $_->{ignore} = 1, $urpm->{error}(_("unable to access hdlist file of \"%s\", medium ignored", $_->{name})); $_->{list} && -r "$urpm->{statedir}/$_->{list}" or $_->{ignore} = 1, $urpm->{error}(_("unable to access list file of \"%s\", medium ignored", $_->{name})); } } } #- probe medium to be used, take old medium into account too. sub probe_medium { my ($urpm, $medium, %options) = @_; local $_; my $existing_medium; foreach (@{$urpm->{media}}) { $_->{name} eq $medium->{name} and $existing_medium = $_, last; } $existing_medium and $urpm->{error}(_("trying to bypass existing medium \"%s\", avoiding", $medium->{name})), return; unless ($medium->{ignore} || $medium->{hdlist}) { $medium->{hdlist} = "hdlist.$medium->{name}.cz"; -e "$urpm->{statedir}/$medium->{hdlist}" or $medium->{hdlist} = "hdlist.$medium->{name}.cz2"; -e "$urpm->{statedir}/$medium->{hdlist}" or $medium->{ignore} = 1, $urpm->{error}(_("unable to find hdlist file for \"%s\", medium ignored", $medium->{name})); } unless ($medium->{ignore} || $medium->{list}) { $medium->{list} = "list.$medium->{name}"; -e "$urpm->{statedir}/$medium->{list}" or $medium->{ignore} = 1, $urpm->{error}(_("unable to find list file for \"%s\", medium ignored", $medium->{name})); } #- there is a little more to do at this point as url is not known, inspect directly list file for it. unless ($medium->{url} || $medium->{clear_url}) { my %probe; local *L; open L, "$urpm->{statedir}/$medium->{list}"; while () { /^(.*)\/[^\/]*/ and $probe{$1} = undef; } close L; foreach (sort { length($a) <=> length($b) } keys %probe) { if ($medium->{url}) { $medium->{url} eq substr($_, 0, length($medium->{url})) or $medium->{ignore} || $urpm->{error}(_("incoherent list file for \"%s\", medium ignored", $medium->{name})), $medium->{ignore} = 1, last; } else { $medium->{url} = $_; } } unless ($options{nocheck_access}) { $medium->{url} or $medium->{ignore} || $urpm->{error}(_("unable to inspect list file for \"%s\", medium ignored", $medium->{name})), $medium->{ignore} = 1; #, last; keeping it cause perl to exit caller loop ... } } $medium->{url} ||= $medium->{clear_url}; $medium->{removable} ||= $medium->{url} =~ /^removable_([^_:]*)(?:_[^:]*)?:/ && "/dev/$1"; #" $medium; } #- write back urpmi.cfg code to allow modification of medium listed. sub write_config { my ($urpm) = @_; #- avoid trashing exiting configuration in this case. $urpm->{media} or return; local *F; open F, ">$urpm->{config}" or $urpm->{fatal}(6, _("unable to write config file [%s]", $urpm->{config})); foreach my $medium (@{$urpm->{media}}) { printf F "%s %s {\n", quotespace($medium->{name}), quotespace($medium->{clear_url}); foreach (qw(hdlist with_hdlist list removable)) { $medium->{$_} and printf F " %s: %s\n", $_, $medium->{$_}; } foreach (qw(update ignore modified)) { $medium->{$_} and printf F " %s\n", $_; } printf F "}\n\n"; } close F; $urpm->{log}(_("write config file [%s]", $urpm->{config})); } #- add a new medium, sync the config file accordingly. sub add_medium { my ($urpm, $name, $url, $with_hdlist, %options) = @_; #- make sure configuration has been read. $urpm->{media} or $urpm->read_config(); #- if a medium with that name has already been found #- we have to exit now my ($medium); foreach (@{$urpm->{media}}) { $_->{name} eq $2 and $medium = $_; } $medium and $urpm->{fatal}(5, _("medium \"%s\" already exists", $medium)); #- creating the medium info. $medium = { name => $name, url => $url, hdlist => "hdlist.$name.cz", list => "list.$name", update => $options{update}, modified => 1, }; #- check to see if the medium is using file protocol or removable medium. if (my ($prefix, $dir) = $url =~ /^(removable_.*?|file):\/(.*)/) { #- the directory given does not exist or may be accessible #- by mounting some other. try to figure out these directory and #- mount everything necessary. $urpm->try_mounting($dir, 'mount') or $urpm->{log}(_("unable to access medium \"%s\"", $name)), return; #- check if directory is somewhat normalized so that we can get back hdlist, #- check it that case if depslist, compss and provides file are also #- provided. if (!($with_hdlist && -e "$dir/$with_hdlist") && $dir =~ /RPMS([^\/]*)\/*$/) { foreach my $rdir (qw(Mandrake/base ../Mandrake/base ..)) { -e "$dir/$_/hdlist$1.cz" and $with_hdlist = "$_/hdlist$1.cz", last; -e "$dir/$_/hdlist$1.cz2" and $with_hdlist = "$_/hdlist$1.cz2", last; } } #- add some more flags for this type of medium. $medium->{clear_url} = $url; $medium->{removable} = $url =~ /^removable_([^_:]*)(?:_[^:]*)?:/ && "/dev/$1"; #" } #- all flags once everything has been computed. $with_hdlist and $medium->{with_hdlist} = $with_hdlist; #- create an entry in media list. push @{$urpm->{media}}, $medium; #- keep in mind the database has been modified and base files need to be updated. #- this will be done automatically by transfering modified flag from medium to global. } sub remove_media { my $urpm = shift; my %media; @media{@_} = undef; my @result; foreach (@{$urpm->{media}}) { if (exists $media{$_->{name}}) { $media{$_->{name}} = 1; #- keep it mind this one has been removed #- remove file associated with this medium. #- this is the hdlist and the list files. unlink "$urpm->{statedir}/synthesis.$_->{hdlist}"; unlink "$urpm->{statedir}/$_->{hdlist}"; unlink "$urpm->{statedir}/$_->{list}"; } else { push @result, $_; #- not removed so keep it } } #- check if some arguments does not correspond to medium name. foreach (keys %media) { if ($media{$_}) { #- when a medium is removed, depslist and others need to be recomputed. $urpm->{modified} = 1; } else { $urpm->{error}(_("trying to remove inexistant medium \"%s\"", $_)); } } #- special case if there is no more media registered. #- there is no need to recompute the hdlist and the files #- can be safely removed. if ($urpm->{modified} && @result == 0) { unlink $urpm->{depslist}; unlink $urpm->{provides}; unlink $urpm->{compss}; } #- restore newer media list. $urpm->{media} = \@result; } sub select_media { my $urpm = shift; my %media; @media{@_} = undef; foreach (@{$urpm->{media}}) { if (exists $media{$_->{name}}) { $media{$_->{name}} = 1; #- keep it mind this one has been selected. #- select medium by setting modified flags, do not check ignore. $_->{modified} = 1; } } #- check if some arguments does not correspond to medium name. foreach (keys %media) { unless ($media{$_}) { $urpm->{error}(_("trying to select inexistant medium \"%s\"", $_)); } } } sub build_synthesis_hdlist { my ($urpm, $medium) = @_; my $params = new rpmtools; push @{$params->{flags}}, 'sense'; #- make sure to enable sense flags. $urpm->{log}(_("reading hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}")); $params->read_hdlists("$urpm->{statedir}/$medium->{hdlist}") or return; eval { unlink "$urpm->{statedir}/synthesis.$medium->{hdlist}"; local *F; open F, "| gzip >'$urpm->{statedir}/synthesis.$medium->{hdlist}'"; foreach my $p (values %{$params->{info}}) { foreach (qw(provides requires)) { @{$p->{$_} || []} > 0 and print F "$p->{name}\@$_\@" . join('@', map { s/\[\*\]//g; s/\[(.*)\]/ $1/g; $_ } @{$p->{$_}}) . "\n"; } } close F or die "unable to use gzip for compressing hdlist synthesis"; }; if ($@) { unlink "$urpm->{statedir}/synthesis.$medium->{hdlist}"; $urpm->{error}(_("unable to build synthesis file for medium \"%s\"", $medium->{name})); return; } else { $urpm->{log}(_("built hdlist synthesis file for medium \"%s\"", $medium->{name})); } 1; } #- update urpmi database regarding the current configuration. #- take care of modification and try some trick to bypass #- computational of base files. #- allow options : #- all -> all medium are rebuilded #- force -> try to force rebuilding base files (1) or hdlist from rpms files (2). #- noclean -> keep header directory cleaned. sub update_media { my ($urpm, %options) = @_; #- do not trust existing hdlist and try to recompute them. #- avoid trashing existing configuration in this case. $urpm->{media} or return; #- examine each medium to see if one of them need to be updated. #- if this is the case and if not forced, try to use a pre-calculated #- hdlist file else build it from rpms files. foreach my $medium (@{$urpm->{media}}) { #- take care of modified medium only or all if all have to be recomputed. #- but do not take care of removable media for all. $medium->{ignore} and next; $medium->{modified} ||= $options{all} && $medium->{url} !~ /removable/ or next; #- list of rpm files for this medium, only available for local medium where #- the source hdlist is not used (use force). my ($prefix, $dir, $error, @files); #- check to see if the medium is using file protocol or removable medium. if (($prefix, $dir) = $medium->{url} =~ /^(removable_.*?|file):\/(.*)/) { #- the directory given does not exist and may be accessible #- by mounting some other. try to figure out these directory and #- mount everything necessary. $urpm->try_mounting($dir, 'mount') or $urpm->{log}(_("unable to access medium \"%s\"", $medium->{name})), next; #- try to get the description if it has been found. unlink "$urpm->{statedir}/descriptions.$medium->{name}"; -e "$dir/../descriptions" and system("cp", "-a", "$dir/../descriptions", "$urpm->{statedir}/descriptions.$medium->{name}"); #- if the source hdlist is present and we are not forcing using rpms file if ($options{force} < 2 && $medium->{with_hdlist} && -e "$dir/$medium->{with_hdlist}") { unlink "$urpm->{cachedir}/partial/$medium->{hdlist}"; system("cp", "-a", "$dir/$medium->{with_hdlist}", "$urpm->{cachedir}/partial/$medium->{hdlist}"); -s "$urpm->{cachedir}/partial/$medium->{hdlist}" or $error = 1, $urpm->{error}(_("copy of [%s] failed", "$dir/$medium->{with_hdlist}")); #- check if the file are equals... unless ($error) { my @sstat = stat "$urpm->{cachedir}/partial/$medium->{hdlist}"; my @lstat = stat "$urpm->{statedir}/$medium->{hdlist}"; if ($sstat[7] == $lstat[7] && $sstat[9] == $lstat[9]) { #- the two files are considered equal here, the medium is so not modified. $medium->{modified} = 0; unlink "$urpm->{cachedir}/partial/$medium->{hdlist}"; next; } } } else { #- try to find rpm files, use recursive method, added additional #- / after dir to make sure it will be taken into account if this #- is a symlink to a directory. #- make sure rpm filename format is correct and is not a source rpm #- which are not well managed by urpmi. @files = grep { $_ !~ /\.src\.rpm/ } split "\n", `find '$dir/' -name "*.rpm" -print`; #- check files contains something good! if (@files > 0) { #- we need to rebuild from rpm files the hdlist. eval { $urpm->{log}(_("building hdlist [%s]", "$urpm->{cachedir}/partial/$medium->{hdlist}")); $urpm->{params}->build_hdlist($options{noclean}, $options{ratio} || 4, "$urpm->{cachedir}/headers", "$urpm->{cachedir}/partial/$medium->{hdlist}", @files); }; $@ and $error = 1, $urpm->{error}(_("unable to build hdlist: %s", $@)); } else { $error = 1; $urpm->{error}(_("no rpm files found from [%s]", $dir)); } } } else { my $basename = ($medium->{with_hdlist} =~ /^.*\/([^\/]*)$/ && $1) || $medium->{with_hdlist}; #- try to get the description if it has been found. unlink "$urpm->{cachedir}/partial/descriptions"; rename "$urpm->{statedir}/descriptions.$medium->{name}", "$urpm->{cachedir}/partial/descriptions"; system("wget", "-NP", "$urpm->{cachedir}/partial", "$medium->{url}/../descriptions"); -e "$urpm->{cachedir}/partial/descriptions" and rename "$urpm->{cachedir}/partial/descriptions", "$urpm->{statedir}/descriptions.$medium->{name}"; #- try to sync (copy if needed) local copy after restored the previous one. unlink "$urpm->{cachedir}/partial/$basename"; $options{force} >= 2 || ! -e "$urpm->{statedir}/$medium->{hdlist}" or system("cp", "-a", "$urpm->{statedir}/$medium->{hdlist}", "$urpm->{cachedir}/partial/$basename"); system("wget", "-NP", "$urpm->{cachedir}/partial", "$medium->{url}/$medium->{with_hdlist}"); $? == 0 or $error = 1, $urpm->{error}(_("wget of [%s] failed (maybe wget is missing?)", "/$medium->{with_hdlist}")); -s "$urpm->{cachedir}/partial/$basename" or $error = 1, $urpm->{error}(_("wget of [%s] failed", "/$medium->{with_hdlist}")); unless ($error) { my @sstat = stat "$urpm->{cachedir}/partial/$basename"; my @lstat = stat "$urpm->{statedir}/$medium->{hdlist}"; if ($sstat[7] == $lstat[7] && $sstat[9] == $lstat[9]) { #- the two files are considered equal here, the medium is so not modified. $medium->{modified} = 0; unlink "$urpm->{cachedir}/partial/$basename"; next; } #- the file are different, update local copy. rename "$urpm->{cachedir}/partial/$basename", "$urpm->{cachedir}/partial/$medium->{hdlist}"; } } #- build list file according to hdlist used. unless (-s "$urpm->{cachedir}/partial/$medium->{hdlist}") { $error = 1; $urpm->{error}(_("no hdlist file found for medium \"%s\"", $medium->{name})); } #- make sure group and other does not have any access to this file. unless ($error) { #- sort list file contents according to depslist.ordered file. my %list; if (@files) { foreach (@files) { /\/([^\/]*)-[^-\/]*-[^-\/]*\.[^\/]*\.rpm/; $list{"$prefix:/$_\n"} = ($urpm->{params}{names}{$1} || { id => 1000000000 })->{id}; } } else { local (*F, $_); open F, "parsehdlist '$urpm->{cachedir}/partial/$medium->{hdlist}' |"; while () { /^([^\/]*)-[^-\/]*-[^-\/]*\.[^\/]*\.rpm/; $list{"$medium->{url}/$_"} = ($urpm->{params}{names}{$1} || { id => 1000000000 })->{id}; } close F or $error = 1, $urpm->{error}(_("unable to parse hdlist file of \"%s\"", $medium->{name})); } #- check there is something found. %list or $error = 1, $urpm->{error}(_("nothing to write in list file for \"%s\"", $medium->{name})); #- write list file. local *LIST; my $mask = umask 077; open LIST, ">$urpm->{cachedir}/partial/$medium->{list}" or $error = 1, $urpm->{error}(_("unable to write list file of \"%s\"", $medium->{name})); umask $mask; print LIST sort { $list{$a} <=> $list{$b} } keys %list; close LIST; #- check if at least something has been written into list file. -s "$urpm->{cachedir}/partial/$medium->{list}" or $error = 1, $urpm->{error}(_("nothing written in list file for \"%s\"", $medium->{name})); } if ($error) { #- an error has occured for updating the medium, we have to remove tempory files. unlink "$urpm->{cachedir}/partial/$medium->{hdlist}"; unlink "$urpm->{cachedir}/partial/$medium->{list}"; } else { #- make sure to rebuild base files and clean medium modified state. $medium->{modified} = 0; $urpm->{modified} = 1; #- but use newly created file. unlink "$urpm->{statedir}/$medium->{hdlist}"; unlink "$urpm->{statedir}/$medium->{list}"; rename "$urpm->{cachedir}/partial/$medium->{hdlist}", "$urpm->{statedir}/$medium->{hdlist}"; rename "$urpm->{cachedir}/partial/$medium->{list}", "$urpm->{statedir}/$medium->{list}"; #- and create synthesis file associated. $urpm->build_synthesis_hdlist($medium); } } #- build base files (depslist.ordered, provides, compss) according to modified global status. if ($urpm->{modified}) { #- special case if there is no more media registered. #- there is no need to recompute the hdlist and the files #- can be safely removed. if (@{$urpm->{media}} == 0) { unlink $urpm->{depslist}; unlink $urpm->{provides}; unlink $urpm->{compss}; $urpm->{modified} = 0; } if ($options{force} < 1 && @{$urpm->{media}} == 1 && $urpm->{media}[0]{with_hdlist}) { #- this is a special mode where is only one hdlist using a source hdlist, in such #- case we are searching for source depslist, provides and compss files. #- if they are not found or if force is used, an error message is printed and #- we continue using computed results. my $medium = $urpm->{media}[0]; my $basedir = $medium->{with_hdlist} =~ /^(.*)\/[^\/]*$/ && $1; foreach my $target ($urpm->{depslist}, $urpm->{provides}, $urpm->{compss}, 'END') { $target eq 'END' and $urpm->{modified} = 0, last; #- assume everything is ok. my $basename = $target =~ /^.*\/([^\/]*)$/ && $1; if (my ($prefix, $dir) = $medium->{url} =~ /^(removable_.*?|file):\/(.*)/) { #- the directory should be existing in any cases or this is an error #- so there is no need of trying to mount it. if (-e "$dir/$basedir/$basename") { system("cp", "-f", "$dir/$basedir/$basename", $target); $? == 0 or $urpm->{error}(_("unable to copy source of [%s] from [%s]", $target, "$dir/$basedir/$basename")), last; } else { $urpm->{error}(_("source of [%s] not found as [%s]", $target, "$dir/$basedir/$basename")), last; } } else { #- we have to use wget here instead. system("wget", "-O", $target, "$medium->{url}/$basedir/$basename"); $? == 0 or $urpm->{error}(_("wget of [%s] failed (maybe wget is missing?)", "$medium->{url}/$basedir/$basename")), last; } } } if ($urpm->{modified}) { #- cleaning. $urpm->{params}->clean(); foreach my $medium (@{$urpm->{media}}) { $medium->{ignore} and next; $urpm->{log}(_("reading hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}")); $urpm->{params}->read_hdlists("$urpm->{statedir}/$medium->{hdlist}") or next; } $urpm->{log}(_("keeping only files referenced in provides")); $urpm->{params}->keep_only_cleaned_provides_files(); foreach my $medium (@{$urpm->{media}}) { $medium->{ignore} and next; $urpm->{log}(_("reading hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}")); $urpm->{params}->read_hdlists("$urpm->{statedir}/$medium->{hdlist}") or next; } $urpm->{log}(_("computing dependencies")); $urpm->{params}->compute_depslist(); #- once everything has been computed, write back the files to #- sync the urpmi database. $urpm->write_base_files(); $urpm->{modified} = 0; } #- clean headers cache directory to remove everything that is no more #- usefull according to depslist used. if ($options{noclean}) { local (*D, $_); my %arch; opendir D, "$urpm->{cachedir}/headers"; while (defined($_ = readdir D)) { /^([^\/]*)-([^-]*)-([^-]*)\.([^\.]*)$/ and $arch{"$1-$2-$3"} = $4; } closedir D; $urpm->{log}(_("found %d headers in cache", scalar(keys %arch))); foreach (@{$urpm->{params}{depslist}}) { delete $arch{"$_->{name}-$_->{version}-$_->{release}"}; } $urpm->{log}(_("removing %d obsolete headers in cache", scalar(keys %arch))); foreach (keys %arch) { unlink "$urpm->{cachedir}/headers/$_.$arch{$_}"; } } #- this file is written in any cases. $urpm->write_config(); #- now everything is finished. system("sync"); } } #- check for necessity of mounting some directory to get access sub try_mounting { my ($urpm, $dir, $mode) = @_; if ($mode eq 'mount' ? !-e $dir : -e $dir) { my ($fdir, $pdir, $v, %fstab, @possible_mount_point) = $dir; #- read /etc/fstab and check for existing mount point. local (*F, $_); open F, "/etc/fstab"; while () { /^\s*\S+\s+(\/\S+)/ and $fstab{$1} = 0; } open F, "/etc/mtab"; while () { /^\s*\S+\s+(\/\S+)/ and $fstab{$1} = 1; } close F; #- try to follow symlink, too complex symlink graph may not #- be seen. while ($v = readlink $fdir) { if ($fdir =~ /^\//) { $fdir = $v; } else { while ($v =~ /^\.\.\/(.*)/) { $v = $1; $fdir =~ s/^(.*)\/[^\/]+\/*/$1/; } $fdir .= "/$v"; } } #- check the possible mount point. foreach (split '/', $fdir) { length($_) or next; $pdir .= "/$_"; foreach ($pdir, "$pdir/") { exists $fstab{$_} and push @possible_mount_point, $_; } } #- try to mount or unmount according to mode. $mode ne 'mount' and @possible_mount_point = reverse @possible_mount_point; foreach (@possible_mount_point) { $fstab{$_} == ($mode ne 'mount') and $fstab{$_} = ($mode eq 'mount'), $urpm->{log}($mode eq 'mount' ? _("mounting %s", $_) : _("unmounting %s", $_)), `$mode '$_' 2>/dev/null`; } } $mode eq 'mount' ? -e $dir : !-e $dir; } #- read depslist file using rpmtools, this file is not managed directly by urpm. sub read_depslist { my ($urpm) = @_; local *F; open F, $urpm->{depslist} or $urpm->{error}(_("unable to read depslist file [%s]", $urpm->{depslist})), return; $urpm->{params}->read_depslist(\*F); close F; $urpm->{log}(_("read depslist file [%s]", $urpm->{depslist})); 1; } #- read providest file using rpmtools, this file is not managed directly by urpm. sub read_provides { my ($urpm) = @_; local *F; open F, $urpm->{provides} or $urpm->{error}(_("unable to read provides file [%s]", $urpm->{provides})), return; $urpm->{params}->read_provides(\*F); close F; $urpm->{log}(_("read provides file [%s]", $urpm->{provides})); 1; } #- read providest file using rpmtools, this file is not managed directly by urpm. sub read_compss { my ($urpm) = @_; local *F; open F, $urpm->{compss} or $urpm->{error}(_("unable to read compss file [%s]", $urpm->{compss})), return; $urpm->{params}->read_compss(\*F); close F; $urpm->{log}(_("read compss file [%s]", $urpm->{compss})); 1; } #- write base files using rpmtools, these files are not managed directly by urpm. sub write_base_files { my ($urpm) = @_; local *F; open F, ">$urpm->{depslist}" or $urpm->{fatal}(6, _("unable to write depslist file [%s]", $urpm->{depslist})); $urpm->{params}->write_depslist(\*F); close F; $urpm->{log}(_("write depslist file [%s]", $urpm->{depslist})); open F, ">$urpm->{provides}" or $urpm->{fatal}(6, _("unable to write provides file [%s]", $urpm->{provides})); $urpm->{params}->write_provides(\*F); close F; $urpm->{log}(_("write provides file [%s]", $urpm->{provides})); open F, ">$urpm->{compss}" or $urpm->{fatal}(6, _("unable to write compss file [%s]", $urpm->{compss})); $urpm->{params}->write_compss(\*F); close F; $urpm->{log}(_("write compss file [%s]", $urpm->{compss})); } #- try to determine which package are belonging to which medium. #- a flag active is used for that, transfered from medium to each #- package. #- relocation can use this flag after. sub filter_active_media { my ($urpm, %options) = @_; my (%fullname2id); #- build association hash to retrieve id and examine all list files. foreach (0 .. $#{$urpm->{params}{depslist}}) { my $p = $urpm->{params}{depslist}[$_]; $fullname2id{"$p->{name}-$p->{version}-$p->{release}.$p->{arch}"} = $_; } #- examine each medium to search for packages. #- now get rpm file name in hdlist to match list file. require packdrake; foreach my $medium (@{$urpm->{media} || []}) { if (-r "$urpm->{statedir}/$medium->{hdlist}" && ($medium->{active} || $options{use_update} && $medium->{update}) && !$medium->{ignore}) { my $packer = eval { new packdrake("$urpm->{statedir}/$medium->{hdlist}"); }; $packer or $urpm->{error}(_("unable to parse correctly [%s]", "$urpm->{statedir}/$medium->{hdlist}")), next; foreach (@{$packer->{files}}) { $packer->{data}{$_}[0] eq 'f' or next; if (my ($fullname) = /^([^:\s]*-[^:\-\s]+-[^:\-\s]+\.[^:\.\-\s]*)(?::\S+)?/) { my $id = delete $fullname2id{$fullname}; defined $id and $urpm->{params}{depslist}[$id]{active} = 1; } else { $urpm->{log}(_("unable to parse correctly [%s] on value \"%s\"", "$urpm->{statedir}/$medium->{hdlist}", $_)); } } } } } #- relocate depslist array id to use only the most recent packages, #- reorder info hashes to give only access to best packages. sub relocate_depslist_provides { my ($urpm, %options) = @_; my $relocated_entries = undef; #- reset names hash now, will be filled after. $urpm->{params}{names} = {}; foreach (@{$urpm->{params}{depslist} || []}) { my $fullname = "$_->{name}-$_->{version}-$_->{release}.$_->{arch}"; if ($options{use_active} && !$_->{active}) { #- disable non active package if active flag should be checked. delete $urpm->{params}{info}{$fullname}; } else { #- remove access to info if arch is incompatible and only #- take into account compatible arch to examine. #- set names hash by prefering first better version, #- then better release, then better arch. $relocated_entries ||= 0; if (rpmtools::compat_arch($_->{arch})) { my $p = $urpm->{params}{names}{$_->{name}}; if ($p) { my $cmp_version = $_->{serial} == $p->{serial} && rpmtools::version_compare($_->{version}, $p->{version}); my $cmp_release = $cmp_version == 0 && rpmtools::version_compare($_->{release}, $p->{release}); if ($_->{serial} > $p->{serial} || $cmp_version > 0 || $cmp_release > 0 || ($_->{serial} == $p->{serial} && $cmp_version == 0 && $cmp_release == 0 && rpmtools::better_arch($_->{arch}, $p->{arch}))) { $urpm->{params}{names}{$_->{name}} = $_; ++$relocated_entries; } } else { $urpm->{params}{names}{$_->{name}} = $_; ++$relocated_entries; } } } } #- relocate id used in depslist array, delete id if the package #- should NOT be used. foreach (@{$urpm->{params}{depslist}}) { unless ($_->{source}) { #- hack to avoid losing local package. my $p = $urpm->{params}{names}{$_->{name}}; if ($p) { $_->{id} = $p->{id}; } else { delete $_->{id}; } } } #- examine provides to remove non allowed provides (no id). foreach (values %{$urpm->{params}{provides}}) { my %list; foreach (@$_) { if ($urpm->{params}{info}{$_} && defined $urpm->{params}{info}{$_}{id}) { $list{$_} = undef; } } $_ = [ keys %list ]; } $urpm->{log}(_("relocated %s entries in depslist", $relocated_entries)); $relocated_entries; } #- register local packages for being installed, keep track of source. sub register_local_packages { my ($urpm, $minimal, @files) = @_; my ($error, @names); #- examine each rpm and build the depslist for them using current #- depslist and provides environment. foreach (@files) { /(.*\/)?[^\/]*\.rpm$/ or $error = 1, $urpm->{error}(_("invalid rpm file name [%s]", $_)), next; -r $_ or $error = 1, $urpm->{error}(_("unable to access rpm file [%s]", $_)), next; my ($fullname) = $urpm->{params}->read_rpms($_); my $pkg = $urpm->{params}{info}{$fullname}; $pkg or $urpm->{error}(_("unable to register rpm file")), next; $pkg->{source} = $1 ? $_ : "./$_"; push @names, $fullname; } $error and $urpm->{fatal}(1, _("error registering local packages")); #- compute id or depslist associated. #- minimal mode says dependencies will be resolved in a cleaner way. if ($minimal) { $urpm->{params}->compute_id; } else { $urpm->{params}->compute_depslist; } #- return package names... @names; } #- search packages registered by their name by storing their id into packages hash. sub search_packages { my ($urpm, $packages, $names, %options) = @_; my (%exact, %exact_a, %exact_ra, %found, %foundi); foreach my $v (@$names) { #- it is a way of speedup, providing the name of a package directly help #- to find the package. #- this is necessary if providing a name list of package to upgrade. if ($urpm->{params}{names}{$v} && defined $urpm->{params}{names}{$v}{id}) { $exact{$v} = $urpm->{params}{names}{$v}{id}; next; } my $qv = quotemeta $v; if ($options{use_provides}) { #- try to search through provides. if (my $provide_v = $urpm->{params}{provides}{$v}) { if (@{$provide_v} == 1 && $urpm->{params}{info}{$provide_v->[0]} && defined $urpm->{params}{info}{$provide_v->[0]}{id}) { #- we assume that if the there is only one package providing the resource exactly, #- this should be the best one that is described. $exact{$v} = $urpm->{params}{info}{$provide_v->[0]}{id}; next; } } foreach (keys %{$urpm->{params}{provides}}) { #- search through provides to find if a provide match this one. /$qv/ and push @{$found{$v}}, grep { defined $_ } map { $urpm->{params}{info}{$_}{id} } @{$urpm->{params}{provides}{$_}}; /$qv/i and push @{$found{$v}}, grep { defined $_ } map { $urpm->{params}{info}{$_}{id} } @{$urpm->{params}{provides}{$_}}; } } foreach my $id (0 .. $#{$urpm->{params}{depslist}}) { my $info = $urpm->{params}{depslist}[$id]; rpmtools::compat_arch($info->{arch}) && (!$options{use_active} || $info->{active}) or next; my $pack_ra = "$info->{name}-$info->{version}"; my $pack_a = "$pack_ra-$info->{release}"; my $pack = "$pack_a.$info->{arch}"; if ($pack eq $v) { $exact{$v} = $id; next; } elsif ($pack_a eq $v) { push @{$exact_a{$v}}, $id; next; } elsif ($pack_ra eq $v) { push @{$exact_ra{$v}}, $id; next; } $pack =~ /$qv/ and push @{$found{$v}}, $id; $pack =~ /$qv/i and push @{$foundi{$v}}, $id; ++$id; } } my $result = 1; foreach (@$names) { if (defined $exact{$_}) { $packages->{$exact{$_}} = undef; } else { #- at this level, we need to search the best package given for a given name, #- always prefer alread found package. my %l; foreach (@{$exact_a{$_} || $exact_ra{$_} || $found{$_} || $foundi{$_} || []}) { my $info = $urpm->{params}{depslist}[$_]; push @{$l{$info->{name}}}, { id => $_, info => $info }; } if (values(%l) == 0) { $urpm->{error}(_("no package named %s", $_)); $result = 0; } elsif (values(%l) > 1 && !$options{all}) { $urpm->{error}(_("The following packages contain %s: %s", $_, join(' ', keys %l))); $result = 0; } else { foreach (values %l) { my $best; foreach (@$_) { if ($best) { my $cmp_version = ($_->{info}{serial} == $best->{info}{serial} && rpmtools::version_compare($_->{info}{version}, $best->{info}{version})); my $cmp_release = $cmp_version == 0 && rpmtools::version_compare($_->{info}{release}, $best->{info}{release}); if ($_->{info}{serial} > $best->{info}{serial} || $cmp_version > 0 || $cmp_release > 0 || ($_->{info}{serial} == $best->{info}{serial} && $cmp_version == 0 && $cmp_release == 0 && rpmtools::better_arch($_->{info}{arch}, $best->{info}{arch}))) { $best = $_; } } else { $best = $_; } } $packages->{$best->{id}} = undef; } } } } #- return true if no error have been encoutered, else false. $result; } #- compute the closure of a list, mostly internal function for filter_packages_to_upgrade. #- limited to values in packages which should not be a reference. #- package are identified by their id. sub compute_closure { my ($urpm, $packages, $installed, $select_choices) = @_; my ($id, @packages) = (undef, keys %$packages); #- at this level, compute global closure of what is requested, regardless of #- choices for which all package in the choices are taken and their dependencies. #- allow iteration over a modifying list. while (defined($id = shift @packages)) { #- get a relocated id if possible, by this way. $id = $urpm->{params}{depslist}[$id]{id}; defined $id or next; #- this means we have an incompatible arch only (uggly and test it?) #- avoid a package if it has already been dropped in the sense of #- selected directly by another way. foreach ($id, split ' ', $urpm->{params}{depslist}[$id]{deps}) { if (/\|/) { my ($follow_id, @upgradable_choices, %choices_id); @choices_id{grep { defined $_ } map { $urpm->{params}{depslist}[$_]{id} } split /\|/, $_} = (); my @choices = sort { $a <=> $b } keys(%choices_id); foreach (@choices) { $installed && $installed->{$_} and $follow_id = -1, last; exists $packages->{$_} && ! ref $packages->{$_} and $follow_id = $_, last; $installed && exists $installed->{$_} and push @upgradable_choices, $_; } unless (defined $follow_id) { #- if there are at least one upgradable choice, use it instead #- of asking the user to chose among a list. if (@upgradable_choices == 1) { push @packages, $upgradable_choices[0]; } else { @upgradable_choices > 1 and @choices = @upgradable_choices; #- propose the choice to the user now, or select the best one (as it is supposed to be). my @selection = $select_choices ? ($select_choices->($urpm, $id, @choices)) : (); if (@selection) { foreach (@selection) { unshift @packages, $_; exists $packages->{$_} or $packages->{$_} = 1; } } else { foreach (@choices) { push @{$packages->{$_} ||= []}, \@choices; } } } } } else { local $_ = $urpm->{params}{depslist}[$_]{id}; if (ref $packages->{$_}) { #- all the choices associated here have to be dropped, need to copy else #- there could be problem with foreach on a modifying list. foreach my $choices (@{$packages->{$id}}) { foreach (@$choices) { $packages->{$_} = [ grep { $_ != $choices } @{$packages->{$_}} ]; @{$packages->{$_}} > 0 or delete $packages->{$_}; } } } if ($installed && $installed->{$_}) { delete $packages->{$_}; } else { exists $packages->{$_} or $packages->{$_} = $installed && ! exists $installed->{$_}; } } } } } #- filter the packages list (assuming only the key is registered, so undefined #- value stored) to keep only packages that need to be upgraded, #- additionnal packages will be stored using non null values, #- choice will have a list of other choices as values, #- initial packages will have a 0 stored as values. #- options allow changing some behaviour of the algorithms: #- complete -> perform a complete closure before trying to look for upgrade. sub filter_packages_to_upgrade { my ($urpm, $packages, $select_choices, %options) = @_; my ($id, %closures, %installed, @packages_installed); my $db = rpmtools::db_open(''); #- keep it open for all operation that could be done. #- request the primary list to rpmlib if complete mode is not activated. if (!$options{complete}) { #- there are not too many packages selected here to allow #- take care of package up-to-date at this point, #- so check version and if the package does not need to #- updated, ignore it and his dependencies. rpmtools::db_traverse_tag($db, "name", [ map { $urpm->{params}{depslist}[$_]{name} } keys %$packages ], [ qw(name version release serial) ], sub { my ($p) = @_; my $pkg = $urpm->{params}{info}{$p->{name}}; if ($pkg) { my $cmp = rpmtools::version_compare($pkg->{version}, $p->{version}); $installed{$pkg->{id}} = !($pkg->{serial} > $p->{serial} || $pkg->{serial} == $p->{serial} && ($cmp > 0 || $cmp == 0 && rpmtools::version_compare($pkg->{release}, $p->{release}) > 0)) and delete $packages->{$pkg->{id}}; } }); } #- select first level of packages, as in packages list will only be #- examined deps of each. #- at this level, compute global closure of what is requested, regardless of #- choices for which all package in the choices are taken and their dependencies. #- allow iteration over a modifying list. @closures{keys %$packages} = (); $urpm->compute_closure(\%closures, undef, sub { my ($urpm, @l) = @_; @l }); #- closures has been done so that its keys are the package that may be examined. #- according to number of keys, get all package installed or only the necessary #- packages. my $examine_installed_packages = sub { my ($p) = @_; my $pkg = $urpm->{params}{names}{$p->{name}}; if ($pkg && exists $closures{$pkg->{id}}) { my $cmp = rpmtools::version_compare($pkg->{version}, $p->{version}); $installed{$pkg->{id}} = !($pkg->{serial} > $p->{serial} || $pkg->{serial} == $p->{serial} && ($cmp > 0 || $cmp == 0 && rpmtools::version_compare($pkg->{release}, $p->{release}) > 0)) and delete $packages->{$pkg->{id}}; } }; #- do not take care of already examined packages. delete @closures{keys %installed}; if (scalar(keys %closures) < 100) { rpmtools::db_traverse_tag($db, "name", [ map { $urpm->{params}{depslist}[$_]{name} } keys %closures ], [ qw(name version release serial) ], $examine_installed_packages); } else { rpmtools::db_traverse($db, [ qw(name version release serial) ], $examine_installed_packages); } rpmtools::db_close($db); #- recompute closure but ask for which package to select on a choices. #- this is necessary to have the result before the end else some dependency may #- be losed or added. #- accept no choice allow to browse list, and to compute it with more iteration. %closures = (); @closures{keys %$packages} = (); $urpm->compute_closure(\%closures, \%installed, $select_choices); #- restore package to match selection done, update the values according to #- need upgrade (0), requested (undef), already installed (not present) or #- newly added (1). #- choices if not chosen are present as ref. foreach (keys %closures) { exists $packages->{$_} or $packages->{$_} = $closures{$_}; } $packages; } #- filter minimal list, upgrade packages only according to rpm requires #- satisfied, remove upgrade for package already installed or with a better #- version, try to upgrade to minimize upgrade errors. #- all additional package selected have a true value. sub filter_minimal_packages_to_upgrade { my ($urpm, $packages, $select_choices, %options) = @_; #- make a subprocess here for reading filelist, this is important #- not to waste a lot of memory for the main program which will fork #- latter for each transaction. local (*INPUT, *OUTPUT_CHILD); local (*INPUT_CHILD, *OUTPUT); my $pid = 1; #- try to figure out if parsehdlist need to be called, #- or we have to use synthesis file. my @synthesis = map { "$urpm->{statedir}/synthesis.$_->{hdlist}" } grep { ! $_->{ignore} } @{$urpm->{media}}; if (grep { ! -r $_ || ! -s $_ } @synthesis) { $urpm->{log}(_("unable to find all synthesis file, using parsehdlist server")); pipe INPUT, OUTPUT_CHILD; pipe INPUT_CHILD, OUTPUT; $pid = fork(); } else { foreach (@synthesis) { local *F; open F, "gzip -dc '$_' |"; local $_; my %info; my $update_info = sub { my $found; #- check with provides that version and release are matching else ignore safely. #- simply ignore src rpm, which does not have any provides. $info{name} && $info{provides} or return; foreach (@{$info{provides}}) { if (/(\S*)\s*==\s*(?:\d+:)?([^-]*)-([^-]*)/ && $info{name} eq $1) { my $pre_fullname = "$1-$2-$3"; foreach (@{$urpm->{params}{provides}{$1}}) { if (/(.*?-[^-]*-[^-]*)\.([^\-\.]*)$/ && $pre_fullname eq $1 && ($found = $urpm->{params}{info}{$_})) { foreach my $tag (keys %info) { $found->{$tag} ||= $info{$tag}; } return 1; #- we have found the right info. } } } } $found and return 0; #- we are sure having found a package but with wrong version or release. #- at this level, nothing in params has been found, this could be an error so #- at least print an error message. $urpm->{log}(_("unknown data associated with %s", $info{name})); return; }; while () { chomp; my ($name, $tag, @data) = split '@'; if ($name ne $info{name}) { $update_info->(); %info = ( name => $name ); } $info{$tag} = \@data; } $update_info->(); close F; } } if ($pid) { close INPUT_CHILD; close OUTPUT_CHILD; select((select(OUTPUT), $| = 1)[0]); #- internal reading from interactive mode of parsehdlist. #- takes a code to call with the line read, this avoid allocating #- memory for that. my $ask_child = sub { my ($name, $tag, $code) = @_; $code or die "no callback code for parsehdlist output"; if ($pid == 1) { my $p = $urpm->{params}{info}{$name} || $urpm->{params}{names}{$name}; foreach (@{$p->{$tag} || []}) { $code->($_); } } else { print OUTPUT "$name:$tag\n"; local $_; while () { chomp; /^\s*$/ and last; $code->($_); } } }; my ($db, @packages) = (rpmtools::db_open(''), keys %$packages); my ($id, %installed); #- at this level, compute global closure of what is requested, regardless of #- choices for which all package in the choices are taken and their dependencies. #- allow iteration over a modifying list. while (defined($id = shift @packages)) { if (ref $id) { #- at this point we have almost only choices to resolves. #- but we have to check if one package here is already selected #- previously, if this is the case, use it instead. foreach (@$id) { exists $packages->{$_} and $id = undef, last; } defined $id or next; #- propose the choice to the user now, or select the best one (as it is supposed to be). my @selection = $select_choices ? ($select_choices->($urpm, undef, @$id)) : ($id->[0]); foreach (@selection) { unshift @packages, $_; exists $packages->{$_} or $packages->{$_} = 1; } } my $pkg = $urpm->{params}{depslist}[$id]; defined $pkg->{id} or next; #- id has been removed for package that only exists on some arch. #- search for package that will be upgraded, and check the difference #- of provides to see if something will be altered and need to be upgraded. #- this is bogus as it only take care of == operator if any. #- defining %provides here could slow the algorithm but it solves multi-pass #- where a provides is A and after A == version-release, when A is already #- installed. my (%diffprovides, %provides); rpmtools::db_traverse_tag($db, 'name', [ $pkg->{name} ], [ qw(name version release sense provides) ], sub { my ($p) = @_; foreach (@{$p->{provides}}) { s/\[\*\]//; s/\[([^\]]*)\]/ $1/; /^(\S*\s*\S*\s*)(\d+:)?([^\s-]*)(-?\S*)/; foreach ($_, "$1$3", "$1$2$3", "$1$3$4") { $diffprovides{$_} = "$p->{name}-$p->{version}-$p->{release}"; } } }); $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "provides", sub { $_[0] =~ /^(\S*\s*\S*\s*)(\d+:)?([^\s-]*)(-?\S*)/; foreach ($_[0], "$1$3", "$1$2$3", "$1$3$4") { delete $diffprovides{$_[0]}; } }); foreach ($pkg->{name}, "$pkg->{name} == $pkg->{version}", "$pkg->{name} == $pkg->{version}-$pkg->{release}") { delete $diffprovides{$_}; } delete $diffprovides{""}; foreach (keys %diffprovides) { #- check for exact match on it. if (/^(\S*)\s*(\S*)\s*(\d+:)?([^\s-]*)-?(\S*)/) { rpmtools::db_traverse_tag($db, 'whatrequires', [ $1 ], [ qw(name version release sense requires) ], sub{ my ($p) = @_; foreach (@{$p->{requires}}) { s/\[\*\]//; s/\[([^\]]*)\]/ $1/; exists $diffprovides{$_} and $provides{$p->{name}} = undef; } }); } } #- iterate over requires of the packages, register them. $provides{$pkg->{name}} = undef; #"$pkg->{name}-$pkg->{version}-$pkg->{release}"; $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "requires", sub { if ($_[0] =~ /^(\S*)\s*(\S*)\s*([^\s\-]*)-?(\S*)/) { exists $provides{$1} and return; #- if the provides is not found, it will be resolved at next step, else #- it will be resolved by searching the rpm database. $provides{$1} ||= undef; my $check_pkg = sub { $3 and eval(rpmtools::version_compare($_[0]{version}, $3) . $2 . 0) || return; $4 and eval(rpmtools::version_compare($_[0]{release}, $4) . $2 . 0) || return; $provides{$1} = "$_[0]{name}-$_[0]{version}-$_[0]{release}"; }; rpmtools::db_traverse_tag($db, 'whatprovides', [ $1 ], [ qw (name version release) ], $check_pkg); rpmtools::db_traverse_tag($db, 'path', [ $1 ], [ qw (name version release) ], $check_pkg); } }); #- at this point, all unresolved provides (requires) should be fixed by #- provides files, try to minimize choice at this level. foreach (keys %provides) { $provides{$_} and next; my (%pre_choices, @pre_choices, @choices, @upgradable_choices, %choices_id); foreach my $fullname (@{$urpm->{params}{provides}{$_}}) { my $pkg = $urpm->{params}{info}{$fullname}; push @{$pre_choices{$pkg->{name}}}, $pkg; } foreach (values %pre_choices) { #- there is at least one element in each list of values. if (@$_ == 1) { push @pre_choices, $_->[0]; } else { #- take the best one, according to id used. my $chosen_pkg; foreach my $id (%$packages) { my $candidate_pkg = $urpm->{params}{depslist}[$id]; $candidate_pkg->{name} eq $pkg->{name} or next; foreach my $pkg (@$_) { $pkg == $candidate_pkg and $chosen_pkg = $pkg, last; } } $chosen_pkg ||= $urpm->{params}{names}{$_->[0]{name}}; #- at least take the best normally used. push @pre_choices, $chosen_pkg; } } foreach my $pkg (@pre_choices) { push @choices, $pkg; rpmtools::db_traverse_tag($db, 'name', [ $_ ], [ qw(name version release serial) ], sub { my ($p) = @_; my $cmp = rpmtools::version_compare($pkg->{version}, $p->{version}); $installed{$pkg->{id}} ||= !($pkg->{serial} > $p->{serial} || $pkg->{serial} == $p->{serial} && ($cmp > 0 || $cmp == 0 && rpmtools::version_compare($pkg->{release}, $p->{release}) > 0)); }); $installed{$pkg->{id}} and delete $packages->{$pkg->{id}}; if (exists $packages->{$pkg->{id}} || $installed{$pkg->{id}}) { #- the package is already selected, or installed with a better version and release. @choices = @upgradable_choices = (); last; } exists $installed{$pkg->{id}} and push @upgradable_choices, $pkg; } @upgradable_choices > 0 and @choices = @upgradable_choices; @choices_id{map { $_->{id} } @choices} = (); if (keys(%choices_id) > 0) { if (keys(%choices_id) == 1) { my ($id) = keys(%choices_id); exists $packages->{$id} or $packages->{$id} = 1; unshift @packages, $id; } else { push @packages, [ sort { $a <=> $b } keys %choices_id ]; } } } } rpmtools::db_close($db); #- no need to still use the child as this point, we can let him to terminate. if ($pid > 1) { close OUTPUT; close INPUT; waitpid $pid, 0; } } else { close INPUT; close OUTPUT; open STDIN, "<&INPUT_CHILD"; open STDOUT, ">&OUTPUT_CHILD"; exec "parsehdlist", "--interactive", map { "$urpm->{statedir}/$_->{hdlist}" } grep { ! $_->{ignore} } @{$urpm->{media}} or rpmtools::_exit(1); } } #- get out of package that should not be upgraded. sub deselect_unwanted_packages { my ($urpm, $packages, %options) = @_; my %skip; local ($_, *F); open F, $urpm->{skiplist}; while () { chomp; s/#.*$//; s/^\s*//; s/\s*$//; foreach (@{$urpm->{params}{provides}{$_} || []}) { my $pkg = $urpm->{params}{info}{$_} or next; $options{force} || (exists $packages->{$pkg->{id}} && defined $packages->{$pkg->{id}}) and delete $packages->{$pkg->{id}}; } } close F; } #- select source for package selected. #- according to keys given in the packages hash. #- return a list of list containing the source description for each rpm, #- match exactly the number of medium registered, ignored medium always #- have a null list. sub get_source_packages { my ($urpm, $packages) = @_; my ($error, @local_to_removes, @local_sources, @list, %fullname2id, %file2fullnames); local (*D, *F, $_); #- build association hash to retrieve id and examine all list files. foreach (keys %$packages) { my $p = $urpm->{params}{depslist}[$_]; if ($p->{source}) { push @local_sources, $p->{source}; } else { $fullname2id{"$p->{name}-$p->{version}-$p->{release}.$p->{arch}"} = $_; } } #- examine each medium to search for packages. #- now get rpm file name in hdlist to match list file. require packdrake; foreach my $medium (@{$urpm->{media} || []}) { if (-r "$urpm->{statedir}/$medium->{hdlist}" && -r "$urpm->{statedir}/$medium->{list}" && !$medium->{ignore}) { my $packer = eval { new packdrake("$urpm->{statedir}/$medium->{hdlist}"); }; $packer or $urpm->{error}(_("unable to parse correctly [%s]", "$urpm->{statedir}/$medium->{hdlist}")), next; foreach (@{$packer->{files}}) { $packer->{data}{$_}[0] eq 'f' or next; if (my ($fullname, $file) = /^([^:\s]*-[^:\-\s]+-[^:\-\s]+\.[^:\.\-\s]*)(?::(\S+))?/) { $file2fullnames{$file || $fullname}{$fullname} = undef; } else { $urpm->{log}(_("unable to parse correctly [%s] on value \"%s\"", "$urpm->{statedir}/$medium->{hdlist}", $_)); } } } } #- examine the local repository, which is trusted. opendir D, "$urpm->{cachedir}/rpms"; while (defined($_ = readdir D)) { if (/([^\/]*)\.rpm/) { if (keys(%{$file2fullnames{$1} || {}}) > 1) { $urpm->{error}(_("there are multiples packages with the same rpm filename \"%s\""), $1); next; } elsif (keys(%{$file2fullnames{$1} || {}}) == 1) { my ($fullname) = keys(%{$file2fullnames{$1} || {}}); if (defined delete $fullname2id{$fullname}) { push @local_sources, "$urpm->{cachedir}/rpms/$1.rpm"; } else { push @local_to_removes, "$urpm->{cachedir}/rpms/$1.rpm"; } } } #- no error on unknown filename located in cache (because .listing) } closedir D; foreach my $medium (@{$urpm->{media} || []}) { my @sources; if (-r "$urpm->{statedir}/$medium->{hdlist}" && -r "$urpm->{statedir}/$medium->{list}" && !$medium->{ignore}) { open F, "$urpm->{statedir}/$medium->{list}"; while () { if (/(.*)\/([^\/]*)\.rpm$/) { if (keys(%{$file2fullnames{$2} || {}}) > 1) { $urpm->{error}(_("there are multiples packages with the same rpm filename \"%s\""), $2); next; } elsif (keys(%{$file2fullnames{$2} || {}}) == 1) { my ($fullname) = keys(%{$file2fullnames{$2} || {}}); defined delete $fullname2id{$fullname} and push @sources, "$1/$2.rpm"; } } else { chomp; $error = 1; $urpm->{error}(_("unable to parse correctly [%s] on value \"%s\"", "$urpm->{statedir}/$medium->{list}", $_)); last; } } close F; } push @list, \@sources; } #- examine package list to see if a package has not been found. foreach (keys %fullname2id) { $error = 1; $urpm->{error}(_("package %s is not found.", $_)); } $error ? () : ( \@local_sources, \@list, \@local_to_removes ); } #- upload package that may need to be uploaded. #- make sure header are available in the appropriate directory. #- change location to find the right package in the local #- filesystem for only one transaction. #- try to mount/eject removable media here. #- return a list of package ready for rpm. sub upload_source_packages { my ($urpm, $local_sources, $list, $force_local, $ask_for_medium) = @_; my (@sources, @distant_sources, %media, %removables); #- make sure everything is correct on input... @{$urpm->{media}} == @$list or return; #- removable media have to be examined to keep mounted the one that has #- more package than other (size is better ?). my $examine_removable_medium = sub { my ($id, $device, $copy) = @_; my $medium = $urpm->{media}[$id]; $media{$id} = undef; if (my ($prefix, $dir) = $medium->{url} =~ /^(removable_[^:]*|file):\/(.*)/) { until (-e $dir) { #- the directory given does not exist or may be accessible #- by mounting some other. try to figure out these directory and #- mount everything necessary. unless ($urpm->try_mounting($dir, 'mount')) { $ask_for_medium or $urpm->{fatal}(4, _("medium \"%s\" is not selected", $medium->{name})); $urpm->try_mounting($dir, 'unmount'); system("eject", $device); $ask_for_medium->($medium->{name}, $medium->{removable}) or $urpm->{fatal}(4, _("medium \"%s\" is not selected", $medium->{name})); } } if (-e $dir) { my @removable_sources; foreach (@{$list->[$id]}) { /^(removable_[^:]*|file):\/(.*\/([^\/]*))/ or next; -r $2 or $urpm->{error}(_("unable to read rpm file [%s] from medium \"%s\"", $2, $medium->{name})); if ($copy) { push @removable_sources, $2; push @sources, "$urpm->{cachedir}/rpms/$3"; } else { push @sources, $2; } } if (@removable_sources) { system("cp", "-a", @removable_sources, "$urpm->{cachedir}/rpms"); } } else { $urpm->{error}(_("medium \"%s\" is not selected", $medium->{name})); } } else { #- we have a removable device that is not removable, well... $urpm->{error}(_("incoherent medium \"%s\" marked removable but not really", $medium->{name})); } }; foreach (0..$#$list) { @{$list->[$_]} or next; my $medium = $urpm->{media}[$_]; #- examine non removable device but that may be mounted. if ($medium->{removable}) { push @{$removables{$medium->{removable}} ||= []}, $_; } elsif (my ($prefix, $dir) = $medium->{url} =~ /^(removable_[^:]*|file):\/(.*)/) { -e $dir || $urpm->try_mounting($dir, 'mount') or $urpm->{error}(_("unable to access medium \"%s\"", $medium->{name})), next; } } foreach my $device (keys %removables) { #- here we have only removable device. #- if more than one media use this device, we have to sort #- needed package to copy first the needed rpms files. if (@{$removables{$device}} > 1) { my @sorted_media = sort { @{$list->[$a]} <=> @{$list->[$b]} } @{$removables{$device}}; #- mount all except the biggest one. foreach (@sorted_media[0 .. $#sorted_media-1]) { $examine_removable_medium->($_, $device, 'copy'); } #- now mount the last one... $removables{$device} = [ $sorted_media[-1] ]; } #- mount the removable device, only one or the important one. $examine_removable_medium->($removables{$device}[0], $device); } #- get back all ftp and http accessible rpms file into the local cache #- if necessary (as used by checksig or any other reasons). #- we are using wget for that with an input from its stdin. foreach (0..$#$list) { exists $media{$_} and next; @{$list->[$_]} or next; foreach (@{$list->[$_]}) { if (/^(removable_[^:]*|file):\/(.*)/) { push @sources, $2; } elsif (/^([^:]*):\/(.*\/([^\/]*))/) { if ($force_local) { push @distant_sources, $_; push @sources, "$urpm->{cachedir}/rpms/$3"; } else { push @sources, $_; } } else { $urpm->{error}(_("malformed input: [%s]", $_)); } } } foreach (@distant_sources) { $urpm->{log}(_("retrieving [%s]", $_)); system "wget", "-NP", "$urpm->{cachedir}/rpms", $_; $? == 0 or $urpm->{error}(_("wget of [%s] failed", "/$_")); } #- return the list of rpm file that have to be installed, they are all local now. @$local_sources, @sources; } sub select_packages_to_upgrade { my ($urpm, $prefix, $packages, $remove_packages, $keep_files) = @_; my $db = rpmtools::db_open($prefix); #- used for package that are not correctly updated. #- should only be used when nothing else can be done correctly. my %upgradeNeedRemove = ( #'libstdc++' => 1, #'compat-glibc' => 1, #'compat-libs' => 1, ); #- help removing package which may have different release numbering my %toRemove; #- help searching package to upgrade in regard to already installed files. my %installedFilesForUpgrade; #- help keeping memory by this set of package that have been obsoleted. my %obsoletedPackages; #- make a subprocess here for reading filelist, this is important #- not to waste a lot of memory for the main program which will fork #- latter for each transaction. local (*INPUT, *OUTPUT_CHILD); pipe INPUT, OUTPUT_CHILD; local (*INPUT_CHILD, *OUTPUT); pipe INPUT_CHILD, OUTPUT; if (my $pid = fork()) { close INPUT_CHILD; close OUTPUT_CHILD; select((select(OUTPUT), $| = 1)[0]); #- internal reading from interactive mode of parsehdlist. #- takes a code to call with the line read, this avoid allocating #- memory for that. my $ask_child = sub { my ($name, $tag, $code) = @_; $code or die "no callback code for parsehdlist output"; print OUTPUT "$name:$tag\n"; local $_; while () { chomp; /^\s*$/ and last; $code->($_); } }; #- select packages which obseletes other package, obselete package are not removed, #- should we remove them ? this could be dangerous ! foreach my $pkg (values %{$urpm->{params}{info}}) { $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "obsoletes", sub { #- take care of flags and version and release if present if ($_[0] =~ /^(\S*)\s*(\S*)\s*([^\s-]*)-?(\S*)/ && rpmtools::db_traverse_tag($db, "name", [$1], [], undef) > 0) { $3 and eval(rpmtools::version_compare($pkg->{version}, $3) . $2 . 0) or next; $4 and eval(rpmtools::version_compare($pkg->{release}, $4) . $2 . 0) or next; $urpm->{log}(_("selecting %s using obsoletes", "$pkg->{name}-$pkg->{version}-$pkg->{release}")); $obsoletedPackages{$1} = undef; $pkg->{selected} = 1; } }); } #- mark all files which are not in /dev or /etc/rc.d/ for packages which are already installed but which #- are not in the packages list to upgrade. #- the 'installed' property will make a package unable to be selected, look at select. rpmtools::db_traverse($db, [ qw(name version release serial files) ], sub { my ($p) = @_; my $otherPackage = $p->{release} !~ /mdk\w*$/ && "$p->{name}-$p->{version}-$p->{release}"; my $pkg = $urpm->{params}{names}{$p->{name}}; if ($pkg) { my $version_cmp = rpmtools::version_compare($p->{version}, $pkg->{version}); if ($p->{serial} > $pkg->{serial} || $p->{serial} == $pkg->{serial} && ($version_cmp > 0 || $version_cmp == 0 && rpmtools::version_compare($p->{release}, $pkg->{release}) >= 0)) { if ($otherPackage && $version_cmp <= 0) { $toRemove{$otherPackage} = 0; $pkg->{selected} = 1; $urpm->{log}(_("removing %s to upgrade ...\n to %s since it will not be updated otherwise", $otherPackage, "$pkg->{name}-$pkg->{version}-$pkg->{release}")); } else { $pkg->{installed} = 1; } } elsif ($upgradeNeedRemove{$pkg->{name}}) { my $otherPackage = "$p->{name}-$p->{version}-$p->{release}"; $toRemove{$otherPackage} = 0; $pkg->{selected} = 1; $urpm->{log}(_("removing %s to upgrade ...\n to %s since it will not upgrade correctly!", $otherPackage, "$pkg->{name}-$pkg->{version}-$pkg->{release}")); } } else { if (! exists $obsoletedPackages{$p->{name}}) { @installedFilesForUpgrade{grep { ($_ !~ m|^/dev/| && $_ !~ m|^/etc/rc.d/| && $_ !~ m|\.la$| && ! -d "$prefix/$_" && ! -l "$prefix/$_") } @{$p->{files}}} = (); } } }); #- find new packages to upgrade. foreach my $pkg (values %{$urpm->{params}{info}}) { my $skipThis = 0; my $count = rpmtools::db_traverse_tag($db, "name", [ $pkg->{name} ], [ 'name' ], sub { $skipThis ||= $pkg->{installed}; }); #- skip if not installed (package not found in current install). $skipThis ||= ($count == 0); #- select the package if it is already installed with a lower version or simply not installed. unless ($skipThis) { my $cumulSize; $pkg->{selected} = 1; #- keep in mind installed files which are not being updated. doing this costs in #- execution time but use less memory, else hash all installed files and unhash #- all file for package marked for upgrade. rpmtools::db_traverse_tag($db, "name", [ $pkg->{name} ], [ qw(name files) ], sub { my ($p) = @_; @installedFilesForUpgrade{grep { ($_ !~ m|^/dev/| && $_ !~ m|^/etc/rc.d/| && $_ !~ m|\.la$| && ! -d "$prefix/$_" && ! -l "$prefix/$_") } @{$p->{files}}} = (); }); $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "files", sub { delete $installedFilesForUpgrade{$_[0]}; }); } } #- unmark all files for all packages marked for upgrade. it may not have been done above #- since some packages may have been selected by depsList. foreach my $pkg (values %{$urpm->{params}{info}}) { if ($pkg->{selected}) { $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "files", sub { delete $installedFilesForUpgrade{$_[0]}; }); } } #- select packages which contains marked files, then unmark on selection. #- a special case can be made here, the selection is done only for packages #- requiring locales if the locales are selected. #- another special case are for devel packages where fixes over the time has #- made some files moving between the normal package and its devel couterpart. #- if only one file is affected, no devel package is selected. foreach my $pkg (values %{$urpm->{params}{info}}) { unless ($pkg->{selected}) { my $toSelect = 0; $ask_child->("$pkg->{name}-$pkg->{version}-$pkg->{release}.$pkg->{arch}", "files", sub { if ($_[0] !~ m|^/dev/| && $_[0] !~ m|^/etc/rc.d/| && $_ !~ m|\.la$| && exists $installedFilesForUpgrade{$_[0]}) { ++$toSelect if ! -d "$prefix/$_[0]" && ! -l "$prefix/$_[0]"; } delete $installedFilesForUpgrade{$_[0]}; }); if ($toSelect) { if ($toSelect <= 1 && $pkg->{name} =~ /-devel/) { $urpm->{log}(_("avoid selecting %s as not enough files will be updated", "$pkg->{name}-$pkg->{version}-$pkg->{release}")); } else { #- default case is assumed to allow upgrade. my @deps = map { /\|/ and next; #- do not inspect choice my $p = $urpm->{params}{depslist}[$_]; $p && $p->{name} =~ /locales-/ ? ($p) : () } split ' ', $pkg->{deps}; if (@deps == 0 || @deps > 0 && (grep { !$_->{selected} && !$_->{installed} } @deps) == 0) { $urpm->{log}(_("selecting %s by selection on files", $pkg->{name})); $pkg->{selected} = 1; } else { $urpm->{log}(_("avoid selecting %s as its locales language is not already selected", "$pkg->{name}-$pkg->{version}-$pkg->{release}")); } } } } } #- clean memory... %installedFilesForUpgrade = (); #- no need to still use the child as this point, we can let him to terminate. close OUTPUT; close INPUT; waitpid $pid, 0; } else { close INPUT; close OUTPUT; open STDIN, "<&INPUT_CHILD"; open STDOUT, ">&OUTPUT_CHILD"; exec "parsehdlist", "--interactive", map { "$urpm->{statedir}/$_->{hdlist}" } grep { ! $_->{ignore} } @{$urpm->{media}} or rpmtools::_exit(1); } #- let the caller known about what we found here! foreach my $pkg (values %{$urpm->{params}{info}}) { $packages->{$pkg->{id}} = 0 if $pkg->{selected}; } #- clean false value on toRemove. delete $toRemove{''}; #- get filenames that should be saved for packages to remove. #- typically config files, but it may broke for packages that #- are very old when compabilty has been broken. #- but new version may saved to .rpmnew so it not so hard ! if ($keep_files && keys %toRemove) { rpmtools::db_traverse($db, [ qw(name version release conffiles) ], sub { my ($p) = @_; my $otherPackage = "$p->{name}-$p->{version}-$p->{release}"; if (exists $toRemove{$otherPackage}) { @{$keep_files}{@{$p->{conffiles} || []}} = (); } }); } #- close db, job finished ! rpmtools::db_close($db); } 1;