Use different mirror for backports.

[wannabuild.git] / bin / keep-latest

diff --git a/bin/keep-latest b/bin/keep-latest
index eabcc10129f508f3d9bb7dff8cc35b7b98309bdf..788dcc5eb4185cc35d87c1e4e726ea721fcaf272 100755 (executable)
--- a/bin/keep-latest
+++ b/bin/keep-latest
@@ -3,41 +3,53 @@
 use strict;
 use warnings;
 
+use lib '/org/wanna-build/bin';
 use WannaBuild; # for version compare
 
 if (!@ARGV) {
-       print STDERR "Usage: $0 Packages1 Packages2 ..\n";
+       print STDERR "Usage: $0 arch Packages1 Packages2 ..\n";
        print STDERR "\n";
        print STDERR "This perl scripts reads the Packages files given on the command line and\n";
-       print STDERR "outputs a Packages file which contians each package exactly once, using the\n";
-       print STDERR "one with the highest version number.\n";
+       print STDERR "outputs a Packages file which contians each package at most\n";
+       print STDERR "once, using the one with the highest version number.\n";
        print STDERR "";
-       print STDERR "Since it only looks at Package: and Version:, it works with Sources files\n";
-       print STDERR "as well\n";
+       print STDERR "Since it only looks at Package:, Version: and Architecture:, it works with\n";
+       print STDERR "Sources files as well\n";
+       print STDERR "\n";
+       print STDERR "It throws out any package not arch \"all\" or the given architecture.\n";
+       print STDERR "Pass \"source\" to keep all entries.\n";
+
        exit 1;
 }
 
 my %version;
 my %data;
 
+my $arch = shift @ARGV;
+
 local($/) = ""; # read in paragraph mode
 while (<>) {
-       my( $version, $name );
+       my( $version, $name, $architecture );
+       $architecture="none"; # better to keep an entry too much than to delete an entry
        /^Package:\s*(\S+)$/mi and $name = $1;
        /^Version:\s*(\S+)$/mi and $version = $1;
+       /^Architecture:\s*(\S+)$/mi and $architecture = $1;
        if (!defined $name or !defined $version) {
                warn "Stanza without Package or Version\n";
                next;
        }
+       if ($arch ne "source" && defined $architecture && $architecture ne "all" && $architecture ne $arch) {
+               next;
+       }
+       my $key = $name;
 
-       if ((!exists $version{$name}) or version_less($version{name},$version)) {
-               $version{$name} = $version;
-               $data{$name} = $_;
+       if ((!exists $version{$key}) or version_less($version{$key},$version)) {
+               $version{$key} = $version;
+               $data{$key} = $_;
        }
 }
-
 foreach (values %data) {
-       s/\n*$/\n\n/;# always one empty line to separate stanzas
+       chomp; $_ .= "\n\n";
        print;
 }