Add first cut at "git protocol" connect logic.

diff --git a/tree.h b/tree.h
index 056bd86fa9e5a62207bd52fbb124f080e8854253..74fe09d7634661d208f88536cf831c3858766450 100644 (file)
--- a/tree.h
+++ b/tree.h
@@ -24,7 +24,7 @@ struct tree {
        struct tree_entry_list *entries;
 };
 
-struct tree *lookup_tree(unsigned char *sha1);
+struct tree *lookup_tree(const unsigned char *sha1);
 
 int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);