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package MDV::Distribconf::Utils;
use strict;
use warnings;
use MDV::Packdrakeng;
use Digest::MD5;
use Devel::Peek;
our ($VERSION) = (qq$Revision$ =~ /(\d+)/)[0];
=head1 NAME
MDV::Distribconf::Utils
=head1 DESCRIPTION
Contains basic functions used by Distribconf
=head1 FUNCTIONS
=head2 hdlist_vs_dir($hdlistfile, @dirs)
Return two arrayrefs about rpms included only in hdlist or in directories
=cut
sub hdlist_vs_dir {
my ($hdlist, @dir) = @_;
my (@only_pack, @only_dir);
my @rpms;
foreach my $dir (@dir) {
push(@rpms, grep { -e $_ } glob("$dir/*.rpm"));
}
@rpms = sort { ($b =~ m:.*/+(.*):)[0] cmp ($a =~ m:([^/]+)$:)[0] } @rpms;
if (-f $hdlist and my $pack = MDV::Packdrakeng->open(archive => $hdlist)) {
my $hdlisttime = (stat($hdlist))[9];
my (undef, $files, undef) = $pack->getcontent();
my @hdrs = sort { $b cmp $a } map { "$_.rpm" } @{$files || []};
my ($r, $h) = ("", "");
do {
my $base_r = ($r =~ m:([^/]+)$:)[0] || '';
my $comp = ($base_r cmp $h);
my $st_d = (stat($r))[9] if ($r);
if ($comp < 0) { push(@only_pack, $h); }
elsif ($comp > 0) { push(@only_dir, $base_r); }
elsif ($r && (!defined($st_d) || $st_d > $hdlisttime)) {
push(@only_pack, $h);
push(@only_dir, ($r =~ m:.*/+(.*):)[0]);
}
if ($comp <= 0) {
$h = shift(@hdrs) || '';
}
if ($comp >= 0) {
$r = shift(@rpms) || '';
}
} while (scalar(@rpms) || scalar(@hdrs));
} else {
return(undef, [ map { m:.*/+(.*):; $1 } @rpms ]);
}
return (\@only_pack, \@only_dir);
}
=head2 checkmd5($md5file, @files)
Return an array ref to unsync file found and a hashref containing
files and their found md5.
=cut
sub checkmd5 {
my ($md5file, @files) = @_;
my %foundmd5;
foreach my $file (@files) {
my ($basename) = $file =~ m:.*/+([^/]*)$:; #: vi syntax coloring
if (open(my $hfile, "<", $file)) {
my $ctx = Digest::MD5->new;
$ctx->addfile($hfile);
close($hfile);
$foundmd5{$basename} = $ctx->hexdigest;
} else {
$foundmd5{$basename} = '';
}
}
open(my $hmd5, "<", $md5file) or return([ keys %foundmd5 ], \%foundmd5);
my %md5;
while (<$hmd5>) {
chomp;
s/#.*//;
/^(.{32}) (.*)/ or next;
$md5{$2} = $1;
}
close($hmd5);
my @badfiles = grep { $foundmd5{$_} ne ($md5{$_} || '') } keys %foundmd5;
return (\@badfiles, \%foundmd5);
}
1;
__END__
=head1 SEE ALSO
L<MDV::Distribconf>
=head1 AUTHOR
Olivier Thauvin <nanardon@mandriva.org>
=head1 LICENSE AND COPYRIGHT
(c) 2005, 2006, 2007 Olivier Thauvin
(c) 2005, 2006, 2007 Mandriva
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
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