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#!/usr/bin/perl

#
# $Id$
#

#- Copyright (C) 1999 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.

use strict;
use URPM;
use URPM::Build;
use File::Find;
use File::Path;
use Getopt::Long;

my ($noclean, $nooutput, $dontdie, $suffix, $dest) = (0, 0, 0, "");
my $tmpdir = (-d "$ENV{HOME}/tmp" ? "$ENV{HOME}/tmp" : $ENV{TMPDIR} || "/tmp") . "/.build_hdlist";

sub usage {
	print <<EOF;
Usage: $0 [options] [dir...]
Options:
  --help              print this message and exit
  --headersdir dir    put temporary files in dir
  --dest              build index from this dir
  -s                  silent mode
  --nobadrpm          do not stop on bad rpm
  --noclean           keep cache files
  --suffix SUFFIX     put a suffix on hdlist names
  
EOF
}

GetOptions(
	'help|h' => sub { usage(); exit },
	'noclean' => \$noclean,
	'headersdir=s' => \$tmpdir,
	'fermetagueule|s' => \$nooutput,
	'dest=s' => \$dest,
	'nobadrpm' => \$dontdie,
	'suffix=s' => \$suffix,
);

my $urpm = new URPM;
my $index = "hdlist$suffix.cz";
my $synthesis = "synthesis.$index";
my @dir = @ARGV ? @ARGV : ("."); 

grep { m!^/! } @dir and die "Directory path to parse should be relative";

$dest and chdir $dest or die "can't chdir in directory $dest";
rmtree($tmpdir) unless $noclean;
mkpath($tmpdir);

my @rpms;
sub wanted {
    	if (-f $_ && $_ =~ /^.*\.rpm$/ ) {
        	push(@rpms, $File::Find::name);
    	}
}

# get rpm list
open(LIST, "> list$suffix") or die "can't create list file: $!";
foreach my $dir (@dir) {
	print "parsing $dir\n" unless $nooutput;
	@rpms=();
	File::Find::find({wanted => \&wanted}, $dir);
	$urpm->parse_rpms_build_headers(dir  => $tmpdir,
					rpms => \@rpms,
			        	dontdie => $dontdie,
					silent => $nooutput);
	foreach my $rpm (@rpms) { print LIST "$rpm\n" };
}
close(LIST);

# create index file
# No rpms, exit !
@{$urpm->{depslist}} > 0 or die "nothing read";

$urpm->build_hdlist(start  => 0,
		    end    => $#{$urpm->{depslist}},
		    dir    => $tmpdir,
		    hdlist => $index,
		    ratio  => 9);
rmtree($tmpdir) unless $noclean;

# create synthesis file
$urpm->build_synthesis(start     => 0,
		       end       => $#{$urpm->{depslist}},
		       synthesis => $synthesis);