Add how-to on using update-hook.

diff --git a/diffcore-pathspec.c b/diffcore-pathspec.c
index a48acbc965d5187fc9abb3ffab4fc9e60d4feac3..68fe009132d1e900138a9d61bb7c658e23d9b76d 100644 (file)
--- a/diffcore-pathspec.c
+++ b/diffcore-pathspec.c
@@ -29,6 +29,8 @@ static int matches_pathspec(const char *name, struct path_spec *s, int cnt)
                    name[len] == 0 ||
                    name[len] == '/')
                        return 1;
+               if (!len)
+                       return 1;
        }
        return 0;
 }