object: add repository argument to create_object

Add a repository argument to allow the callers of create_object
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.

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>

blob.c

@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "blob.h"
+#include "repository.h"
 
 const char *blob_type = "blob";
 
@@ -7,7 +8,8 @@ struct blob *lookup_blob(const struct object_id *oid)
 {
 	struct object *obj = lookup_object(oid->hash);
 	if (!obj)
-		return create_object(oid->hash, alloc_blob_node());
+		return create_object(the_repository, oid->hash,
+				     alloc_blob_node());
 	return object_as_type(obj, OBJ_BLOB, 0);
 }
 

commit.c

@@ -50,7 +50,8 @@ struct commit *lookup_commit(const struct object_id *oid)
 {
 	struct object *obj = lookup_object(oid->hash);
 	if (!obj)
-		return create_object(oid->hash, alloc_commit_node());
+		return create_object(the_repository, oid->hash,
+				     alloc_commit_node());
 	return object_as_type(obj, OBJ_COMMIT, 0);
 }
 

object.c

@@ -138,7 +138,7 @@ static void grow_object_hash(void)
 	the_repository->parsed_objects->obj_hash_size = new_hash_size;
 }
 
-void *create_object(const unsigned char *sha1, void *o)
+void *create_object_the_repository(const unsigned char *sha1, void *o)
 {
 	struct object *obj = o;
 
@@ -178,7 +178,8 @@ struct object *lookup_unknown_object(const unsigned char *sha1)
 {
 	struct object *obj = lookup_object(sha1);
 	if (!obj)
-		obj = create_object(sha1, alloc_object_node());
+		obj = create_object(the_repository, sha1,
+				    alloc_object_node());
 	return obj;
 }
 

object.h

@@ -93,7 +93,8 @@ extern struct object *get_indexed_object(unsigned int);
  */
 struct object *lookup_object(const unsigned char *sha1);
 
-extern void *create_object(const unsigned char *sha1, void *obj);
+#define create_object(r, s, o) create_object_##r(s, o)
+extern void *create_object_the_repository(const unsigned char *sha1, void *obj);
 
 void *object_as_type(struct object *obj, enum object_type type, int quiet);
 

tag.c

@@ -93,7 +93,8 @@ struct tag *lookup_tag(const struct object_id *oid)
 {
 	struct object *obj = lookup_object(oid->hash);
 	if (!obj)
-		return create_object(oid->hash, alloc_tag_node());
+		return create_object(the_repository, oid->hash,
+				     alloc_tag_node());
 	return object_as_type(obj, OBJ_TAG, 0);
 }
 

tree.c

@@ -196,7 +196,8 @@ struct tree *lookup_tree(const struct object_id *oid)
 {
 	struct object *obj = lookup_object(oid->hash);
 	if (!obj)
-		return create_object(oid->hash, alloc_tree_node());
+		return create_object(the_repository, oid->hash,
+				     alloc_tree_node());
 	return object_as_type(obj, OBJ_TREE, 0);
 }