object: add repository argument to parse_object_buffer

Add a repository argument to allow the callers of parse_object_buffer
to be more specific about which repository to act on. This is a small
mechanical change; it doesn't change the implementation to handle
repositories other than the_repository yet.

As with the previous commits, use a macro to catch callers passing a
repository other than the_repository at compile time.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

7 files changed, 18 insertions, 9 deletions

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index e39c4e2..03a2e4b 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -244,7 +244,8 @@ static void export_blob(const struct object_id *oid)
 			die ("Could not read blob %s", oid_to_hex(oid));
 		if (check_object_signature(oid, buf, size, type_name(type)) < 0)
 			die("sha1 mismatch in blob %s", oid_to_hex(oid));
-		object = parse_object_buffer(oid, type, size, buf, &eaten);
+		object = parse_object_buffer(the_repository, oid, type,
+					     size, buf, &eaten);
 	}
 
 	if (!object)
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 12d01e9..09cf533 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -392,7 +392,8 @@ static int fsck_obj_buffer(const struct object_id *oid, enum object_type type,
 	 * verify_packfile(), data_valid variable for details.
 	 */
 	struct object *obj;
-	obj = parse_object_buffer(oid, type, size, buffer, eaten);
+	obj = parse_object_buffer(the_repository, oid, type, size, buffer,
+				  eaten);
 	if (!obj) {
 		errors_found |= ERROR_OBJECT;
 		return error("%s: object corrupt or missing", oid_to_hex(oid));
@@ -525,7 +526,9 @@ static int fsck_loose(const struct object_id *oid, const char *path, void *data)
 	if (!contents && type != OBJ_BLOB)
 		BUG("read_loose_object streamed a non-blob");
 
-	obj = parse_object_buffer(oid, type, size, contents, &eaten);
+	obj = parse_object_buffer(the_repository, oid, type, size,
+				  contents, &eaten);
+
 	if (!obj) {
 		errors_found |= ERROR_OBJECT;
 		error("%s: object could not be parsed: %s",
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 74fe297..9c08cf3 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -851,7 +851,8 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
 			 * we do not need to free the memory here, as the
 			 * buf is deleted by the caller.
 			 */
-			obj = parse_object_buffer(oid, type, size, buf,
+			obj = parse_object_buffer(the_repository, oid, type,
+						  size, buf,
 						  &eaten);
 			if (!obj)
 				die(_("invalid %s"), type_name(type));
diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c
index 335b5ed..75d1d5e 100644
--- a/builtin/unpack-objects.c
+++ b/builtin/unpack-objects.c
@@ -265,7 +265,8 @@ static void write_object(unsigned nr, enum object_type type,
 		int eaten;
 		hash_object_file(buf, size, type_name(type), &obj_list[nr].oid);
 		added_object(nr, type, buf, size);
-		obj = parse_object_buffer(&obj_list[nr].oid, type, size, buf,
+		obj = parse_object_buffer(the_repository, &obj_list[nr].oid,
+					  type, size, buf,
 					  &eaten);
 		if (!obj)
 			die("invalid %s", type_name(type));
diff --git a/object.c b/object.c
index 002ebb6..4971969 100644
--- a/object.c
+++ b/object.c
@@ -186,7 +186,7 @@ struct object *lookup_unknown_object(const unsigned char *sha1)
 	return obj;
 }
 
-struct object *parse_object_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
+struct object *parse_object_buffer_the_repository(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
 {
 	struct object *obj;
 	*eaten_p = 0;
@@ -278,7 +278,8 @@ struct object *parse_object_the_repository(const struct object_id *oid)
 			return NULL;
 		}
 
-		obj = parse_object_buffer(oid, type, size, buffer, &eaten);
+		obj = parse_object_buffer(the_repository, oid, type, size,
+					  buffer, &eaten);
 		if (!eaten)
 			free(buffer);
 		return obj;
diff --git a/object.h b/object.h
index f840a42..2ba23c0 100644
--- a/object.h
+++ b/object.h
@@ -135,7 +135,8 @@ struct object *parse_object_or_die(const struct object_id *oid, const char *name
  * parsing it.  eaten_p indicates if the object has a borrowed copy
  * of buffer and the caller should not free() it.
  */
-struct object *parse_object_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
+#define parse_object_buffer(r, o, t, s, b, e) parse_object_buffer_##r(o, t, s, b, e)
+struct object *parse_object_buffer_the_repository(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
 
 /** Returns the object, with potentially excess memory allocated. **/
 struct object *lookup_unknown_object(const unsigned  char *sha1);
diff --git a/ref-filter.c b/ref-filter.c
index 044c28c..ec9479a 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -807,7 +807,8 @@ static void *get_obj(const struct object_id *oid, struct object **obj, unsigned
 	void *buf = read_object_file(oid, &type, sz);
 
 	if (buf)
-		*obj = parse_object_buffer(oid, type, *sz, buf, eaten);
+		*obj = parse_object_buffer(the_repository, oid, type, *sz,
+					   buf, eaten);
 	else
 		*obj = NULL;
 	return buf;