builtin/pack-objects: make hash agnostic

bk2204 · gitster · commit 207899137dd7 · 2020-02-24T09:33:11.000-08:00
Avoid hard-coding a hash size, instead preferring to use the_hash_algo.

Signed-off-by: brian m. carlson &lt;sandals@crustytoothpaste.net&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git 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;
 		}

Original file line number	Diff line number	Diff line change
`@@ -879,7 +879,7 @@ static void write_reused_pack_one(size_t pos, struct hashfile *out,`
`879`	`879`	`len = encode_in_pack_object_header(header, sizeof(header),`
`880`	`880`	`OBJ_REF_DELTA, size);`
`881`	`881`	`hashwrite(out, header, len);`
`882`		`- hashwrite(out, base_sha1, 20);`
	`882`	`+ hashwrite(out, base_sha1, the_hash_algo->rawsz);`
`883`	`883`	`copy_pack_data(out, reuse_packfile, w_curs, cur, next - cur);`
`884`	`884`	`return;`
`885`	`885`	`}`