* Fix mercurial backend to deal with empty commit messages.

[ikiwiki.git] / IkiWiki / Rcs / mercurial.pm

diff --git a/IkiWiki/Rcs/mercurial.pm b/IkiWiki/Rcs/mercurial.pm
index e4cc6deb376ead514c0f3f3b7be7ddb1057d6c5f..84bf99c687d95cd0f956343b0bffeca1bacfd13a 100644 (file)
--- a/IkiWiki/Rcs/mercurial.pm
+++ b/IkiWiki/Rcs/mercurial.pm
@@ -79,9 +79,12 @@ sub rcs_commit ($$$;$$) { #{{{
        }
 
        $message = possibly_foolish_untaint($message);
+       if (! length $message) {
+               $message = "no message given";
+       }
 
-       my @cmdline = ("hg", "-q", "-R", "$config{srcdir}", "commit", 
-                      "-m", "$message", "-u", "$user");
+       my @cmdline = ("hg", "-q", "-R", $config{srcdir}, "commit", 
+                      "-m", $message, "-u", $user);
        if (system(@cmdline) != 0) {
                warn "'@cmdline' failed: $!";
        }