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#!/usr/bin/perl
#- Synchronize mulitple RPMS/SRPMS directories.
#- Copyright (C) 1999 MandrakeSoft (fpons@mandrakesoft.com)
#-
#- 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.
use strict qw(subs vars refs);
#- compare a version string.
use URPM;
#- get basename for a file.
sub basename { $_[0] =~ /([^\/]*)$/ ? $1 : $_[0]; }
#- system functions.
sub cp {
my $pid;
if ($pid = fork()) {
waitpid($pid, 0);
} else {
exec '/bin/cp', @_;
}
}
sub mv {
my $pid;
if ($pid = fork()) {
waitpid($pid, 0);
} else {
exec '/bin/mv', @_;
}
}
sub rm {
my $pid;
if ($pid = fork()) {
waitpid($pid, 0);
} else {
exec '/bin/rm', '-f', @_;
}
}
#- get a hash on name of srpms/rpms in a directory.
sub get_rpms {
my ($dir, $rpms, $flag, $modifiable) = @_;
opendir D, $dir or die "cannot open directory $dir\n";
map {
if (/([^\/]*?)-([^-]*)-([^-]*)\.([^-\.]*)\.rpm$/) {
my $key = "$1 $4"; #- get name including architecture.
if ($rpms->{$key}) {
if (URPM::ranges_overlap("== $2-$3", "> $rpms->{$key}{version}-$rpms->{$key}{release}")) {
if ($modifiable) {
if ($flag->{sorted}) {
print "you said rpms directory is sorted, so I keep obsoleted $rpms->{$key}{file} by $_ in $rpms->{$key}{dir}\n" if $flag->{verbose};
} else {
if (-d $flag->{conflict}) {
print "moving obsoleted $rpms->{$key}{file} by $_ in $rpms->{$key}{dir}\n" if $flag->{verbose};
mv("$rpms->{$key}{dir}/$rpms->{$key}{file}", $flag->{conflict});
} elsif ($flag->{clean}) {
print "removing obsoleted $rpms->{$key}{file} by $_ in $rpms->{$key}{dir}\n" if $flag->{verbose};
rm("$rpms->{$key}{dir}/$rpms->{$key}{file}");
}
}
}
$rpms->{$key} = { key => $key,
name => $1,
version => $2,
release => $3,
arch => $4,
dir => $dir,
file => $_,
};
} else {
if ($modifiable) {
if (-d $flag->{conflict}) {
print "copying older or equal $_ by $rpms->{$key}{file} in $flag->{conflict}\n" if $flag->{verbose};
cp("$dir/$_", $flag->{conflict});
chmod 0644, "$flag->{conflict}/$_";
} elsif ($flag->{clean}) {
print "removing older or equal $_ by $rpms->{$key}{file} in $dir\n" if $flag->{verbose};
rm("$dir/$_");
}
}
}
} else {
$rpms->{$key} = { key => $key,
name => $1,
version => $2,
release => $3,
arch => $4,
dir => $dir,
file => $_,
};
}
} else {
print STDERR "unable to parse filename $_\n";
}
} grep { /\.rpm$/ } readdir D;
closedir D;
}
#- sync packages list according to hashes of rpms.
sub sync_medium {
my ($rpmsdirs, $list, $rpms, $flag) = @_;
my %pkg2dir;
#- build a hash according to rpmsdirs and list for package name.
my $i = 0;
foreach (@$list) {
local *F;
open F, $_ or die "unable to open packages list file \"$_\"\n";
foreach (<F>) {
chomp;
print STDERR "package \"$_\" is listed in mulitple list files!\n" if $pkg2dir{$_};
$pkg2dir{$_} = $rpmsdirs->[$i];
print "package \"$_\" listed in list files does not exists in rpms directory\n" if $flag->{verbose} && !$rpms->{$_};
}
close F;
++$i;
}
#- check for right directory, and move if necessary.
foreach (values %$rpms) {
unless ($pkg2dir{$_->{key}}) {
print "file $_->{file} in $_->{dir} define package \"$_->{name}\" not listed in list files\n" if $flag->{verbose};
} elsif ($_->{dir} ne $pkg2dir{$_->{key}}) {
print "moving file $_->{file} in $_->{dir} to $pkg2dir{$_->{key}}\n" if $flag->{verbose};
mv("$_->{dir}/$_->{file}", $pkg2dir{$_->{key}});
$_->{dir} = $pkg2dir{$_->{key}};
}
}
}
#- sync two hashes of rpms, update rpms and printer newer version that are not taken into account.
sub sync_rpms {
my ($source, $target, $flag) = @_;
#- search in source part.
foreach (keys %$source) {
unless ($target->{$_}) {
if ($flag->{verbose}) {
print "adding $source->{$_}{file}" . (-d $flag->{add} ? " to $flag->{add}\n" : " is neccessary!\n");
}
if (-d $flag->{add}) {
cp("$source->{$_}{dir}/$source->{$_}{file}", $flag->{add});
chmod 0644, "$flag->{add}/$source->{$_}{file}";
}
}
}
#- search in both part.
foreach (keys %$source) {
if ($target->{$_}) {
if (URPM::ranges_overlap("== $source->{$_}{version}-$source->{$_}{release}",
">= $target->{$_}{version}-$target->{$_}{release}")) {
if ("$source->{$_}{version}-$source->{$_}{release}" eq "$target->{$_}{version}-$target->{$_}{release}") {
-s "$source->{$_}{dir}/$source->{$_}{file}" == -s "$target->{$_}{dir}/$target->{$_}{file}" and next;
}
if ($flag->{verbose}) {
print "updating $target->{$_}{dir}/$target->{$_}{file} with newer version $source->{$_}{file}\n";
}
if ($flag->{update}) {
cp("$source->{$_}{dir}/$source->{$_}{file}", $target->{$_}{dir});
chmod 0644, "$target->{$_}{dir}/$source->{$_}{file}";
unless (-e "$target->{$_}{dir}/$source->{$_}{file}") {
die "unable to copy $source->{$_}{file} from $source->{$_}{dir} into $target->{$_}{dir}\n";
}
rm("$target->{$_}{dir}/$target->{$_}{file}") unless $source->{$_}{file} eq $target->{$_}{file}; #- copy on eq
}
} elsif ($source->{$_}{version} ne $target->{$_}{version} || $source->{$_}{release} ne $target->{$_}{release}) {
if ($flag->{verbose}) {
print STDERR "keeping more up-to-date version $target->{$_}{dir}/$target->{$_}{file} against $source->{$_}{dir}/$source->{$_}{file}, check your repository !\n";
}
} #- say nothing if source is equal to target.
}
}
#- search in target part.
foreach (keys %$target) {
unless ($source->{$_}) {
if ($flag->{verbose}) {
print "removing $target->{$_}{file}" . ($flag->{remove} ? " from $target->{$_}{dir}\n" : " is neccessary!\n");
my $k = $_;
}
if ($flag->{remove}) {
rm("$target->{$_}{dir}/$target->{$_}{file}");
}
}
}
}
#- main program.
sub main {
my @from_rpms;
my @to_rpms;
my @list;
my $target;
my %flag;
my %source;
my %target;
foreach (@_) {
if (/^--(\w*)$/) {
if ($1 eq 'verbose' || $1 eq 'update' || $1 eq 'remove' || $1 eq 'clean' || $1 eq 'sorted') {
$flag{$1} = 1;
} elsif ($1 eq 'add' || $1 eq 'conflict') {
$flag{$1} = undef;
} elsif ($1 eq 'from') {
$target = \@from_rpms;
} elsif ($1 eq 'to') {
$target = \@to_rpms;
} elsif ($1 eq 'list') {
$target = \@list;
} else {
die "unknown option: $1\n";
}
} else {
if (exists $flag{add} && ! $flag{add}) {
$flag{add} = $_;
die "cannot add to non-directory: $_\n" unless -d $flag{add};
} elsif (exists $flag{conflict} && ! $flag{conflict}) {
$flag{conflict} = $_;
die "cannot add to non-directory: $_\n" unless -d $flag{conflict};
} else {
die "unknown parameter: $_\n" unless $target;
push @$target, $_;
}
}
}
die "usage: syncrpms [--update] [--remove] [--clean] [--sorted] [--add <dir>] [--conflict <dir>] --from <dir_sources> --to <dir_targets> [--list <files>]\n"
unless scalar(@from_rpms) > 0 || scalar(@to_rpms) > 0;
#- parse directory structures.
get_rpms($_, \%source, \%flag, 0) foreach @from_rpms;
print STDERR "reading " . scalar(keys %source) . " packages as source rpms from\n";
print STDERR " $_\n" foreach @from_rpms;
get_rpms($_, \%target, \%flag, 1) foreach @to_rpms;
print STDERR "reading " . scalar(keys %target) . " packages as target rpms from\n";
print STDERR " $_\n" foreach @to_rpms;
sync_medium(\@to_rpms, \@list, \%target, \%flag) if scalar(@list) > 0 && scalar(@to_rpms) > 0;
sync_rpms(\%source, \%target, \%flag) if scalar(@from_rpms) > 0 && scalar(@to_rpms) > 0;
}
main(@ARGV);
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