cgit.c: allow repo.*-filter options to unset the current default

If e.g. repo.commit-filter is specified as an empty string, this
is now properly handled as disabling the global commit-filter setting
for the current repository.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

diff --git a/cgit.c b/cgit.c
index fd341b83a48e543e00d36f8e160921a492150208..b3a98c1599ff8971d9af03a0ca8ea1a1b6d8abb0 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -21,7 +21,7 @@ struct cgit_filter *new_filter(const char *cmd, int extra_args)
 {
        struct cgit_filter *f;
 
-       if (!cmd)
+       if (!cmd || !cmd[0])
                return NULL;
 
        f = xmalloc(sizeof(struct cgit_filter));