1 files changed, 51 insertions, 9 deletions

diff --git a/object.c b/object.c
index 0afdfd19b7..a0a756f24f 100644
--- a/object.c
+++ b/object.c
@@ -4,6 +4,8 @@
 #include "tree.h"
 #include "commit.h"
 #include "tag.h"
+#include "object-store.h"
+#include "packfile.h"
 
 static struct object **obj_hash;
 static int nr_objs, obj_hash_size;
@@ -26,7 +28,7 @@ static const char *object_type_strings[] = {
 	"tag",		/* OBJ_TAG = 4 */
 };
 
-const char *typename(unsigned int type)
+const char *type_name(unsigned int type)
 {
 	if (type >= ARRAY_SIZE(object_type_strings))
 		return NULL;
@@ -166,7 +168,7 @@ void *object_as_type(struct object *obj, enum object_type type, int quiet)
 		if (!quiet)
 			error("object %s is a %s, not a %s",
 			      oid_to_hex(&obj->oid),
-			      typename(obj->type), typename(type));
+			      type_name(obj->type), type_name(type));
 		return NULL;
 	}
 }
@@ -244,7 +246,7 @@ 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;
 
@@ -252,10 +254,10 @@ struct object *parse_object(const struct object_id *oid)
 	if (obj && obj->parsed)
 		return obj;
 
-	if ((obj && obj->type == OBJ_BLOB) ||
+	if ((obj && obj->type == OBJ_BLOB && has_object_file(oid)) ||
 	    (!obj && has_object_file(oid) &&
-	     sha1_object_info(oid->hash, NULL) == OBJ_BLOB)) {
-		if (check_sha1_signature(repl, NULL, 0, NULL) < 0) {
+	     oid_object_info(oid, NULL) == OBJ_BLOB)) {
+		if (check_object_signature(repl, NULL, 0, NULL) < 0) {
 			error("sha1 mismatch %s", oid_to_hex(oid));
 			return NULL;
 		}
@@ -263,11 +265,11 @@ struct object *parse_object(const struct object_id *oid)
 		return lookup_object(oid->hash);
 	}
 
-	buffer = read_sha1_file(oid->hash, &type, &size);
+	buffer = read_object_file(oid, &type, &size);
 	if (buffer) {
-		if (check_sha1_signature(repl, buffer, size, typename(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;
 		}
 
@@ -445,3 +447,43 @@ void clear_commit_marks_all(unsigned int flags)
 			obj->flags &= ~flags;
 	}
 }
+
+struct raw_object_store *raw_object_store_new(void)
+{
+	struct raw_object_store *o = xmalloc(sizeof(*o));
+
+	memset(o, 0, sizeof(*o));
+	INIT_LIST_HEAD(&o->packed_git_mru);
+	return o;
+}
+
+static void free_alt_odb(struct alternate_object_database *alt)
+{
+	strbuf_release(&alt->scratch);
+	oid_array_clear(&alt->loose_objects_cache);
+	free(alt);
+}
+
+static void free_alt_odbs(struct raw_object_store *o)
+{
+	while (o->alt_odb_list) {
+		struct alternate_object_database *next;
+
+		next = o->alt_odb_list->next;
+		free_alt_odb(o->alt_odb_list);
+		o->alt_odb_list = next;
+	}
+}
+
+void raw_object_store_clear(struct raw_object_store *o)
+{
+	FREE_AND_NULL(o->objectdir);
+	FREE_AND_NULL(o->alternate_db);
+
+	free_alt_odbs(o);
+	o->alt_odb_tail = NULL;
+
+	INIT_LIST_HEAD(&o->packed_git_mru);
+	close_all_packs(o);
+	o->packed_git = NULL;
+}