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|
#! /usr/bin/perl
# -----------------------------------------------------------------------------
# Copyright (c) 2006, 2007 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# parseSusePatterns.pl
# - OpenSLX script to extract a package list from a given list of
# SUSE-pattern-files (*.pat).
# -----------------------------------------------------------------------------
use strict;
my $abstract = q[
parseSusePatterns.pl
This script is a tool for OpenSLX developers that allows to extract
package lists from a given set of SUSE pattern files.
];
use Getopt::Long;
use Pod::Usage;
my (
$helpReq,
$versionReq,
%patternNames,
%packageNames,
);
GetOptions(
'help|?' => \$helpReq,
'version' => \$versionReq,
) or pod2usage(2);
pod2usage(-msg => $abstract, -verbose => 0, -exitval => 1) if $helpReq;
if ($versionReq) {
system('slxversion');
exit 1;
}
if ($ARGV[0] !~ m[^(\w+)-(.+)$]) {
die "can't extract architecture from pattern file name '$ARGV[0]'";
}
my $arch = $2;
foreach my $patternFile (@ARGV) {
parsePatternFile($patternFile, 1);
}
print join("\n", sort keys %packageNames)."\n";
exit;
sub parsePatternFile
{
my $patternFile = shift;
my $outmost = shift;
if (!open(PAT, "<$patternFile")) {
return unless $outmost;
die "unable to open $patternFile";
}
undef $/;
my $content = <PAT>;
close(PAT);
$patternNames{$patternFile} = 1;
if ($content =~ m[^\=Sum.de:\s*(.+?)\s*$]ms) {
print "+ $1\n";
}
if ($content =~ m[^\+Sug:\s*?$(.+?)^\-Sug:\s*?$]ms) {
addSubPatterns($1);
}
if ($content =~ m[^\+Req:\s*?$(.+?)^\-Req:\s*?$]ms) {
addSubPatterns($1);
}
if ($content =~ m[^\+Rec:\s*?$(.+?)^\-Rec:\s*?$]ms) {
addSubPatterns($1);
}
if ($content =~ m[^\+Prq:\s*?$(.+?)^\-Prq:\s*?$]ms) {
addPkgNames($1);
}
if ($content =~ m[^\+Prc:\s*?$(.+?)^\-Prc:\s*?$]ms) {
addPkgNames($1);
}
}
sub addSubPatterns
{
my $patternNames = shift;
my @subPatterns
= grep { length($_) > 0 }
map { $_ =~ s[^\s*(.+?)\s*$][$1]; $_ }
split "\n", $patternNames;
foreach my $subPattern (@subPatterns) {
my $subPatternFile = "$subPattern-$arch";
if (!exists $patternNames{$subPatternFile}) {
parsePatternFile($subPatternFile);
}
}
}
sub addPkgNames
{
my $pkgs = shift;
my @pkgNames
= grep { length($_) > 0 }
map { $_ =~ s[^\s*(.+?)\s*$][$1]; $_ }
split "\n", $pkgs;
foreach my $pkgName (@pkgNames) {
$packageNames{$pkgName} = 1;
}
}
__END__
=head1 NAME
parseSusePatterns.pl - OpenSLX script to extract a package list from
a given list of SUSE-pattern-files (*.pat).
=head1 SYNOPSIS
parseSusePatterns.pl [options] <pattern-file> ...
Options:
--help brief help message
--version show version
=head1 OPTIONS
=over 8
=item B<--help>
Prints a brief help message and exits.
=item B<--version>
Prints the version and exits.
=back
=cut
|
