object: split out functions relating to object store subsystem

Split out functions relating to the object store subsystem from
"object.c". This helps us to separate concerns.

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

object-store-ll.h

@@ -92,9 +92,6 @@ struct oidtree *odb_loose_cache(struct object_directory *odb,
 /* Empty the loose object cache for the specified object directory. */
 void odb_clear_loose_cache(struct object_directory *odb);
 
-/* Clear and free the specified object directory */
-void free_object_directory(struct object_directory *odb);
-
 struct packed_git {
 	struct hashmap_entry packmap_ent;
 	struct packed_git *next;

object-store.c

@@ -2,11 +2,13 @@
 
 #include "git-compat-util.h"
 #include "abspath.h"
+#include "commit-graph.h"
 #include "config.h"
 #include "environment.h"
 #include "gettext.h"
 #include "hex.h"
 #include "lockfile.h"
+#include "loose.h"
 #include "object-file-convert.h"
 #include "object-file.h"
 #include "object-store.h"
@@ -361,6 +363,14 @@ struct object_directory *set_temporary_primary_odb(const char *dir, int will_des
 	return new_odb->next;
 }
 
+static void free_object_directory(struct object_directory *odb)
+{
+	free(odb->path);
+	odb_clear_loose_cache(odb);
+	loose_object_map_clear(&odb->loose_map);
+	free(odb);
+}
+
 void restore_primary_odb(struct object_directory *restore_odb, const char *old_path)
 {
 	struct object_directory *cur_odb = the_repository->objects->odb;
@@ -970,3 +980,59 @@ void assert_oid_type(const struct object_id *oid, enum object_type expect)
 		die(_("%s is not a valid '%s' object"), oid_to_hex(oid),
 		    type_name(expect));
 }
+
+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);
+	hashmap_init(&o->pack_map, pack_map_entry_cmp, NULL, 0);
+	pthread_mutex_init(&o->replace_mutex, NULL);
+	return o;
+}
+
+static void free_object_directories(struct raw_object_store *o)
+{
+	while (o->odb) {
+		struct object_directory *next;
+
+		next = o->odb->next;
+		free_object_directory(o->odb);
+		o->odb = next;
+	}
+	kh_destroy_odb_path_map(o->odb_by_path);
+	o->odb_by_path = NULL;
+}
+
+void raw_object_store_clear(struct raw_object_store *o)
+{
+	FREE_AND_NULL(o->alternate_db);
+
+	oidmap_free(o->replace_map, 1);
+	FREE_AND_NULL(o->replace_map);
+	pthread_mutex_destroy(&o->replace_mutex);
+
+	free_commit_graph(o->commit_graph);
+	o->commit_graph = NULL;
+	o->commit_graph_attempted = 0;
+
+	free_object_directories(o);
+	o->odb_tail = NULL;
+	o->loaded_alternates = 0;
+
+	INIT_LIST_HEAD(&o->packed_git_mru);
+	close_object_store(o);
+
+	/*
+	 * `close_object_store()` only closes the packfiles, but doesn't free
+	 * them. We thus have to do this manually.
+	 */
+	for (struct packed_git *p = o->packed_git, *next; p; p = next) {
+		next = p->next;
+		free(p);
+	}
+	o->packed_git = NULL;
+
+	hashmap_clear(&o->pack_map);
+}

object.c

@@ -6,16 +6,13 @@
 #include "object.h"
 #include "replace-object.h"
 #include "object-file.h"
-#include "object-store.h"
 #include "blob.h"
 #include "statinfo.h"
 #include "tree.h"
 #include "commit.h"
 #include "tag.h"
 #include "alloc.h"
-#include "packfile.h"
 #include "commit-graph.h"
-#include "loose.h"
 
 unsigned int get_max_object_index(const struct repository *repo)
 {
@@ -567,70 +564,6 @@ struct parsed_object_pool *parsed_object_pool_new(struct repository *repo)
 	return o;
 }
 
-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);
-	hashmap_init(&o->pack_map, pack_map_entry_cmp, NULL, 0);
-	pthread_mutex_init(&o->replace_mutex, NULL);
-	return o;
-}
-
-void free_object_directory(struct object_directory *odb)
-{
-	free(odb->path);
-	odb_clear_loose_cache(odb);
-	loose_object_map_clear(&odb->loose_map);
-	free(odb);
-}
-
-static void free_object_directories(struct raw_object_store *o)
-{
-	while (o->odb) {
-		struct object_directory *next;
-
-		next = o->odb->next;
-		free_object_directory(o->odb);
-		o->odb = next;
-	}
-	kh_destroy_odb_path_map(o->odb_by_path);
-	o->odb_by_path = NULL;
-}
-
-void raw_object_store_clear(struct raw_object_store *o)
-{
-	FREE_AND_NULL(o->alternate_db);
-
-	oidmap_free(o->replace_map, 1);
-	FREE_AND_NULL(o->replace_map);
-	pthread_mutex_destroy(&o->replace_mutex);
-
-	free_commit_graph(o->commit_graph);
-	o->commit_graph = NULL;
-	o->commit_graph_attempted = 0;
-
-	free_object_directories(o);
-	o->odb_tail = NULL;
-	o->loaded_alternates = 0;
-
-	INIT_LIST_HEAD(&o->packed_git_mru);
-	close_object_store(o);
-
-	/*
-	 * `close_object_store()` only closes the packfiles, but doesn't free
-	 * them. We thus have to do this manually.
-	 */
-	for (struct packed_git *p = o->packed_git, *next; p; p = next) {
-		next = p->next;
-		free(p);
-	}
-	o->packed_git = NULL;
-
-	hashmap_clear(&o->pack_map);
-}
-
 void parsed_object_pool_reset_commit_grafts(struct parsed_object_pool *o)
 {
 	for (int i = 0; i < o->grafts_nr; i++) {