fsck: store repository in fsck options

The fsck subsystem relies on `the_repository` quite a bit. While we
could of course explicitly pass a repository down the callchain, we
already have a `struct fsck_options` that we pass to almost all
functions.

Extend the options to also store the repository to make it readily
available.

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

builtin/fsck.c

@@ -243,7 +243,7 @@ static int mark_unreachable_referents(const struct object_id *oid,
 			object_as_type(obj, type, 0);
 	}
 
-	fsck_options_init(&options, FSCK_OPTIONS_DEFAULT);
+	fsck_options_init(&options, the_repository, FSCK_OPTIONS_DEFAULT);
 	options.walk = mark_used;
 	fsck_walk(obj, NULL, &options);
 	if (obj->type == OBJ_TREE)
@@ -987,7 +987,7 @@ static struct option fsck_opts[] = {
 int cmd_fsck(int argc,
 	     const char **argv,
 	     const char *prefix,
-	     struct repository *repo UNUSED)
+	     struct repository *repo)
 {
 	struct odb_source *source;
 	struct snapshot snap = {
@@ -1005,10 +1005,10 @@ int cmd_fsck(int argc,
 
 	argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
 
-	fsck_options_init(&fsck_walk_options, FSCK_OPTIONS_DEFAULT);
+	fsck_options_init(&fsck_walk_options, repo, FSCK_OPTIONS_DEFAULT);
 	fsck_walk_options.walk = mark_object;
 
-	fsck_options_init(&fsck_obj_options, FSCK_OPTIONS_DEFAULT);
+	fsck_options_init(&fsck_obj_options, repo, FSCK_OPTIONS_DEFAULT);
 	fsck_obj_options.walk = mark_used;
 	fsck_obj_options.error_func = fsck_objects_error_func;
 	if (check_strict)

builtin/index-pack.c

@@ -1909,7 +1909,7 @@ int cmd_index_pack(int argc,
 
 	disable_replace_refs();
 
-	fsck_options_init(&fsck_options, FSCK_OPTIONS_MISSING_GITMODULES);
+	fsck_options_init(&fsck_options, the_repository, FSCK_OPTIONS_MISSING_GITMODULES);
 	fsck_options.walk = mark_link;
 
 	reset_pack_idx_option(&opts);

builtin/mktag.c

@@ -75,7 +75,7 @@ static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type)
 int cmd_mktag(int argc,
 	      const char **argv,
 	      const char *prefix,
-	      struct repository *repo UNUSED)
+	      struct repository *repo)
 {
 	static struct option builtin_mktag_options[] = {
 		OPT_BOOL(0, "strict", &option_strict,
@@ -94,7 +94,7 @@ int cmd_mktag(int argc,
 	if (strbuf_read(&buf, 0, 0) < 0)
 		die_errno(_("could not read from stdin"));
 
-	fsck_options_init(&fsck_options, FSCK_OPTIONS_STRICT);
+	fsck_options_init(&fsck_options, repo, FSCK_OPTIONS_STRICT);
 	fsck_options.error_func = mktag_fsck_error_func;
 	fsck_set_msg_type_from_ids(&fsck_options, FSCK_MSG_EXTRA_HEADER_ENTRY,
 				   FSCK_WARN);

builtin/refs.c

@@ -78,7 +78,7 @@ out:
 }
 
 static int cmd_refs_verify(int argc, const char **argv, const char *prefix,
-			   struct repository *repo UNUSED)
+			   struct repository *repo)
 {
 	struct fsck_options fsck_refs_options;
 	struct worktree **worktrees;
@@ -93,7 +93,7 @@ static int cmd_refs_verify(int argc, const char **argv, const char *prefix,
 	};
 	int ret = 0;
 
-	fsck_options_init(&fsck_refs_options, FSCK_OPTIONS_REFS);
+	fsck_options_init(&fsck_refs_options, repo, FSCK_OPTIONS_REFS);
 
 	argc = parse_options(argc, argv, prefix, options, verify_usage, 0);
 	if (argc)

builtin/unpack-objects.c

@@ -613,7 +613,7 @@ static void unpack_all(void)
 int cmd_unpack_objects(int argc,
 		       const char **argv,
 		       const char *prefix UNUSED,
-		       struct repository *repo UNUSED)
+		       struct repository *repo)
 {
 	int i;
 	struct object_id oid;
@@ -627,7 +627,7 @@ int cmd_unpack_objects(int argc,
 
 	show_usage_if_asked(argc, argv, unpack_usage);
 
-	fsck_options_init(&fsck_options, FSCK_OPTIONS_STRICT);
+	fsck_options_init(&fsck_options, repo, FSCK_OPTIONS_STRICT);
 
 	for (i = 1 ; i < argc; i++) {
 		const char *arg = argv[i];

fetch-pack.c

@@ -1229,7 +1229,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
 	} else
 		alternate_shallow_file = NULL;
 
-	fsck_options_init(&fsck_options, FSCK_OPTIONS_MISSING_GITMODULES);
+	fsck_options_init(&fsck_options, the_repository, FSCK_OPTIONS_MISSING_GITMODULES);
 	if (get_pack(args, fd, pack_lockfiles, NULL, sought, nr_sought,
 		     &fsck_options.gitmodules_found))
 		die(_("git fetch-pack: fetch failed."));
@@ -1675,7 +1675,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
 	struct strvec index_pack_args = STRVEC_INIT;
 	const char *promisor_remote_config;
 
-	fsck_options_init(&fsck_options, FSCK_OPTIONS_MISSING_GITMODULES);
+	fsck_options_init(&fsck_options, the_repository, FSCK_OPTIONS_MISSING_GITMODULES);
 
 	if (server_feature_v2("promisor-remote", &promisor_remote_config))
 		promisor_remote_reply(promisor_remote_config, NULL);

fsck.c

@@ -1381,6 +1381,7 @@ bool fsck_has_queued_checks(struct fsck_options *options)
 }
 
 void fsck_options_init(struct fsck_options *options,
+		       struct repository *repo,
 		       enum fsck_options_type type)
 {
 	static const struct fsck_options defaults[] = {
@@ -1423,6 +1424,8 @@ void fsck_options_init(struct fsck_options *options,
 	default:
 		BUG("unknown fsck options type %d", type);
 	}
+
+	options->repo = repo;
 }
 
 void fsck_options_clear(struct fsck_options *options)

fsck.h

@@ -166,7 +166,10 @@ struct fsck_ref_report {
 	const char *path;
 };
 
+struct repository;
+
 struct fsck_options {
+	struct repository *repo;
 	fsck_walk_func walk;
 	fsck_error error_func;
 	unsigned strict;
@@ -235,6 +238,7 @@ enum fsck_options_type {
 };
 
 void fsck_options_init(struct fsck_options *options,
+		       struct repository *repo,
 		       enum fsck_options_type type);
 
 /*

object-file.c

@@ -1281,7 +1281,7 @@ static int index_mem(struct index_state *istate,
 	if (flags & INDEX_FORMAT_CHECK) {
 		struct fsck_options opts;
 
-		fsck_options_init(&opts, FSCK_OPTIONS_DEFAULT);
+		fsck_options_init(&opts, the_repository, FSCK_OPTIONS_DEFAULT);
 		opts.strict = 1;
 		opts.error_func = hash_format_check_report;
 		if (fsck_buffer(null_oid(istate->repo->hash_algo), type, buf, size, &opts))