fix $git_root caching

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 794afb74065ab919f942a88799a61db24eb1476d..5922494bce8859124b99dcd53613ca7c49320fe6 100644 (file)
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -741,7 +741,7 @@ sub git_find_root {
                }
        }
 
-       return $subdir;
+       return $git_root=$subdir;
 }
 
 }