gitweb: Allow for multivalued parameters passed to href subroutine

Make it possible to generate URLs with multivalued parameters in the
href() subroutine, via passing reference to array of values.

Example:
  href(action=>"log", extra_options=>["--no-merges", "--first-parent"])

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 8a32899..498b936 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -629,7 +629,13 @@ sub href(%) {
        for (my $i = 0; $i < @mapping; $i += 2) {
                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
                if (defined $params{$name}) {
-                       push @result, $symbol . "=" . esc_param($params{$name});
+                       if (ref($params{$name}) eq "ARRAY") {
+                               foreach my $par (@{$params{$name}}) {
+                                       push @result, $symbol . "=" . esc_param($par);
+                               }
+                       } else {
+                               push @result, $symbol . "=" . esc_param($params{$name});
+                       }
                }
        }
        $href .= "?" . join(';', @result) if scalar @result;