hash: require hash algorithm in `oidread()` and `oidclr()`

Both `oidread()` and `oidclr()` use `the_repository` to derive the hash
function that shall be used. Require callers to pass in the hash
algorithm to get rid of this implicit dependency.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/diff.c b/diff.c
index e70301df76..60d1f7be81 100644
--- a/diff.c
+++ b/diff.c
@@ -4567,7 +4567,7 @@ static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *is
 		if (!one->oid_valid) {
 			struct stat st;
 			if (one->is_stdin) {
-				oidclr(&one->oid);
+				oidclr(&one->oid, the_repository->hash_algo);
 				return;
 			}
 			if (lstat(one->path, &st) < 0)
@@ -4577,7 +4577,7 @@ static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *is
 		}
 	}
 	else
-		oidclr(&one->oid);
+		oidclr(&one->oid, the_repository->hash_algo);
 }
 
 static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
@@ -6404,7 +6404,7 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
 	the_hash_algo->init_fn(&ctx);
 	memset(&data, 0, sizeof(struct patch_id_t));
 	data.ctx = &ctx;
-	oidclr(oid);
+	oidclr(oid, the_repository->hash_algo);
 
 	for (i = 0; i < q->nr; i++) {
 		xpparam_t xpp;