Add is_clone flag to available commands

This will be used to make these operations configurable via a config
option.

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

cmd.h

@@ -8,7 +8,8 @@ struct cgit_cmd {
 	cgit_cmd_fn fn;
 	unsigned int want_repo:1,
 		want_layout:1,
-		want_vpath:1;
+		want_vpath:1,
+		is_clone:1;
 };
 
 extern struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx);