builtin/pack-objects: make hash agnostic

Avoid hard-coding a hash size, instead preferring to use the_hash_algo.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 940fbcb7b375b69fe8094d9d03f313a279d2df44..fceac7b4625eb1705c24e0eaac44f766a067ae40 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -879,7 +879,7 @@ static void write_reused_pack_one(size_t pos, struct hashfile *out,
                        len = encode_in_pack_object_header(header, sizeof(header),
                                                           OBJ_REF_DELTA, size);
                        hashwrite(out, header, len);
-                       hashwrite(out, base_sha1, 20);
+                       hashwrite(out, base_sha1, the_hash_algo->rawsz);
                        copy_pack_data(out, reuse_packfile, w_curs, cur, next - cur);
                        return;
                }