git-fetch: do not look into $GIT_DIR/refs to see if a tag exists.

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 53087faf7a63e6268ffff5239142a00c120dcf8f..c1867d2a0052ad797481f3d5f9aa544952ff251b 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -53,7 +53,7 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
        struct name_entry entry;
        int cnt;
 
-       memcpy(it->sha1, tree->object.sha1, 20);
+       hashcpy(it->sha1, tree->object.sha1);
        desc.buf = tree->buffer;
        desc.size = tree->size;
        cnt = 0;