add guard against enabling multiple rcs plugins

[ikiwiki.git] / IkiWiki / Plugin / git.pm

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 5e302729ea1c26c80c93d4974e94e8a57e444012..6f0ac56d5c3b13204c92d0dda1c0dbac417d07d4 100644 (file)
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -11,6 +11,9 @@ my $sha1_pattern     = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
 my $dummy_commit_msg = 'dummy commit';      # message to skip in recent changes
 
 sub import { #{{{
+       if (exists $IkiWiki::hooks{rcs}) {
+               error(gettext("cannot use multiple rcs plugins"));
+       }
        hook(type => "checkconfig", id => "git", call => \&checkconfig);
        hook(type => "getsetup", id => "git", call => \&getsetup);
        hook(type => "rcs", id => "rcs_update", call => \&rcs_update);