* Add sort_versions routine

[debbugs.git] / Debbugs / Packages.pm

diff --git a/Debbugs/Packages.pm b/Debbugs/Packages.pm
index b4b5ef7411fa18e821a4c5244a2a246506e1249d..5c4d22367d78a7eb66f0156109b9d54969fe0478 100644 (file)
--- a/Debbugs/Packages.pm
+++ b/Debbugs/Packages.pm
@@ -37,7 +37,7 @@ use Fcntl qw(O_RDONLY);
 use MLDBM qw(DB_File Storable);
 use Storable qw(dclone);
 use Params::Validate qw(validate_with :types);
-use Debbugs::Common qw(make_list globify_scalar);
+use Debbugs::Common qw(make_list globify_scalar sort_versions);
 
 use List::Util qw(min max);
 
@@ -393,6 +393,11 @@ may change in the future, so if you care, please code accordingly.)
 =item return_archs -- returns a version=>[archs] hash indicating which
 architectures are at which versions.
 
+=item largest_source_version_only -- if there is more than one source
+version in a particular distribution, discards all versions but the
+largest in that distribution. Defaults to 1, as this used to be the
+way that the Debian archive worked.
+
 =back
 
 When called in scalar context, this function will return hashrefs or
@@ -426,6 +431,9 @@ sub get_versions{
                                           return_archs => {type => BOOLEAN,
                                                            default => 0,
                                                           },
+                                          largest_source_version_only => {type => BOOLEAN,
+                                                                      default => 1,
+                                                                         },
                                          },
                               );
      my $versions;
@@ -460,10 +468,16 @@ sub get_versions{
                                        $_ ne 'source'
                                    } $source_only?'source':keys %{$version->{$dist}})) {
                    next unless defined $version->{$dist}{$arch};
-                   for my $ver (ref $version->{$dist}{$arch} ?
-                                keys %{$version->{$dist}{$arch}} :
-                                $version->{$dist}{$arch}
-                               ) {
+                   my @vers = ref $version->{$dist}{$arch} eq 'HASH' ?
+                       keys %{$version->{$dist}{$arch}} :
+                           make_list($version->{$dist}{$arch});
+                   if ($param{largest_source_version_only} and
+                       $arch eq 'source' and @vers > 1) {
+                       # order the versions, then pick the biggest version number
+                       @vers = sort_versions(@vers);
+                       @vers = $vers[-1];
+                   }
+                   for my $ver (@vers) {
                         my $f_ver = $ver;
                         if ($param{source}) {
                              ($f_ver) = make_source_versions(package => $package,