Convert lookup_replace_object to struct object_id

Convert both the argument and the return value to be pointers to struct
object_id.  Update the callers and their internals to deal with the new
type.  Remove several temporaries which are no longer needed.

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

1 files changed, 4 insertions, 10 deletions

diff --git a/object.c b/object.c
index 8e32f0d..2c90938 100644
--- a/object.c
+++ b/object.c
@@ -244,7 +244,7 @@ struct object *parse_object(const struct object_id *oid)
 	unsigned long size;
 	enum object_type type;
 	int eaten;
-	const unsigned char *repl = lookup_replace_object(oid->hash);
+	const struct object_id *repl = lookup_replace_object(oid);
 	void *buffer;
 	struct object *obj;
 
@@ -255,10 +255,7 @@ struct object *parse_object(const struct object_id *oid)
 	if ((obj && obj->type == OBJ_BLOB && has_object_file(oid)) ||
 	    (!obj && has_object_file(oid) &&
 	     oid_object_info(oid, NULL) == OBJ_BLOB)) {
-		struct object_id reploid;
-		hashcpy(reploid.hash, repl);
-
-		if (check_object_signature(&reploid, NULL, 0, NULL) < 0) {
+		if (check_object_signature(repl, NULL, 0, NULL) < 0) {
 			error("sha1 mismatch %s", oid_to_hex(oid));
 			return NULL;
 		}
@@ -268,12 +265,9 @@ struct object *parse_object(const struct object_id *oid)
 
 	buffer = read_object_file(oid, &type, &size);
 	if (buffer) {
-		struct object_id reploid;
-		hashcpy(reploid.hash, repl);
-
-		if (check_object_signature(&reploid, buffer, size, type_name(type)) < 0) {
+		if (check_object_signature(repl, buffer, size, type_name(type)) < 0) {
 			free(buffer);
-			error("sha1 mismatch %s", sha1_to_hex(repl));
+			error("sha1 mismatch %s", oid_to_hex(repl));
 			return NULL;
 		}