git-remote-mediawiki: actually send empty comment when they're empty

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/mw-to-git/git-remote-mediawiki b/contrib/mw-to-git/git-remote-mediawiki
index a6ad8cf33ccf2bc539948e86434f0746dfe3c273..a2da52f4d6194db5a93d5ae3875249027b02d9e0 100755 (executable)
--- a/contrib/mw-to-git/git-remote-mediawiki
+++ b/contrib/mw-to-git/git-remote-mediawiki
@@ -51,6 +51,9 @@ use constant EMPTY_CONTENT => "<!-- empty page -->\n";
 # used to reflect file creation or deletion in diff.
 use constant NULL_SHA1 => "0000000000000000000000000000000000000000";
 
+# Used on Git's side to reflect empty edit messages on the wiki
+use constant EMPTY_MESSAGE => '*Empty MediaWiki Message*';
+
 my $remotename = $ARGV[0];
 my $url = $ARGV[1];
 
@@ -935,7 +938,7 @@ sub mw_import_revids {
 
                my %commit;
                $commit{author} = $rev->{user} || 'Anonymous';
-               $commit{comment} = $rev->{comment} || '*Empty MediaWiki Message*';
+               $commit{comment} = $rev->{comment} || EMPTY_MESSAGE;
                $commit{title} = mediawiki_smudge_filename($page_title);
                $commit{mw_revision} = $rev->{revid};
                $commit{content} = mediawiki_smudge($rev->{'*'});
@@ -1050,6 +1053,10 @@ sub mw_push_file {
        my $oldrevid = shift;
        my $newrevid;
 
+       if ($summary eq EMPTY_MESSAGE) {
+               $summary = '';
+       }
+
        my $new_sha1 = $diff_info_split[3];
        my $old_sha1 = $diff_info_split[2];
        my $page_created = ($old_sha1 eq NULL_SHA1);