[thirdparty/git.git] / repository.c

/*
 * not really _using_ the compat macros, just make sure the_index
 * declaration matches the definition in this file.
 */
#define USE_THE_INDEX_VARIABLE
#include "git-compat-util.h"
#include "abspath.h"
#include "repository.h"
#include "object-store-ll.h"
#include "config.h"
#include "object.h"
#include "lockfile.h"
#include "path.h"
#include "read-cache-ll.h"
#include "remote.h"
#include "setup.h"
#include "loose.h"
#include "submodule-config.h"
#include "sparse-index.h"
#include "trace2.h"
#include "promisor-remote.h"

/* The main repository */
static struct repository the_repo;
struct repository *the_repository;
struct index_state the_index;

void initialize_the_repository(void)
{
	the_repository = &the_repo;

	the_repo.index = &the_index;
	the_repo.objects = raw_object_store_new();
	the_repo.remote_state = remote_state_new();
	the_repo.parsed_objects = parsed_object_pool_new();

	index_state_init(&the_index, the_repository);

	repo_set_hash_algo(&the_repo, GIT_HASH_SHA1);
}

static void expand_base_dir(char **out, const char *in,
			    const char *base_dir, const char *def_in)
{
	free(*out);
	if (in)
		*out = xstrdup(in);
	else
		*out = xstrfmt("%s/%s", base_dir, def_in);
}

static void repo_set_commondir(struct repository *repo,
			       const char *commondir)
{
	struct strbuf sb = STRBUF_INIT;

	free(repo->commondir);

	if (commondir) {
		repo->different_commondir = 1;
		repo->commondir = xstrdup(commondir);
		return;
	}

	repo->different_commondir = get_common_dir_noenv(&sb, repo->gitdir);
	repo->commondir = strbuf_detach(&sb, NULL);
}

void repo_set_gitdir(struct repository *repo,
		     const char *root,
		     const struct set_gitdir_args *o)
{
	const char *gitfile = read_gitfile(root);
	/*
	 * repo->gitdir is saved because the caller could pass "root"
	 * that also points to repo->gitdir. We want to keep it alive
	 * until after xstrdup(root). Then we can free it.
	 */
	char *old_gitdir = repo->gitdir;

	repo->gitdir = xstrdup(gitfile ? gitfile : root);
	free(old_gitdir);

	repo_set_commondir(repo, o->commondir);

	if (!repo->objects->odb) {
		CALLOC_ARRAY(repo->objects->odb, 1);
		repo->objects->odb_tail = &repo->objects->odb->next;
	}
	expand_base_dir(&repo->objects->odb->path, o->object_dir,
			repo->commondir, "objects");

	repo->objects->odb->disable_ref_updates = o->disable_ref_updates;

	free(repo->objects->alternate_db);
	repo->objects->alternate_db = xstrdup_or_null(o->alternate_db);
	expand_base_dir(&repo->graft_file, o->graft_file,
			repo->commondir, "info/grafts");
	expand_base_dir(&repo->index_file, o->index_file,
			repo->gitdir, "index");
}

void repo_set_hash_algo(struct repository *repo, int hash_algo)
{
	repo->hash_algo = &hash_algos[hash_algo];
}

void repo_set_compat_hash_algo(struct repository *repo, int algo)
{
	if (hash_algo_by_ptr(repo->hash_algo) == algo)
		BUG("hash_algo and compat_hash_algo match");
	repo->compat_hash_algo = algo ? &hash_algos[algo] : NULL;
	if (repo->compat_hash_algo)
		repo_read_loose_object_map(repo);
}

/*
 * Attempt to resolve and set the provided 'gitdir' for repository 'repo'.
 * Return 0 upon success and a non-zero value upon failure.
 */
static int repo_init_gitdir(struct repository *repo, const char *gitdir)
{
	int ret = 0;
	int error = 0;
	char *abspath = NULL;
	const char *resolved_gitdir;
	struct set_gitdir_args args = { NULL };

	abspath = real_pathdup(gitdir, 0);
	if (!abspath) {
		ret = -1;
		goto out;
	}

	/* 'gitdir' must reference the gitdir directly */
	resolved_gitdir = resolve_gitdir_gently(abspath, &error);
	if (!resolved_gitdir) {
		ret = -1;
		goto out;
	}

	repo_set_gitdir(repo, resolved_gitdir, &args);

out:
	free(abspath);
	return ret;
}

void repo_set_worktree(struct repository *repo, const char *path)
{
	repo->worktree = real_pathdup(path, 1);

	trace2_def_repo(repo);
}

static int read_and_verify_repository_format(struct repository_format *format,
					     const char *commondir)
{
	int ret = 0;
	struct strbuf sb = STRBUF_INIT;

	strbuf_addf(&sb, "%s/config", commondir);
	read_repository_format(format, sb.buf);
	strbuf_reset(&sb);

	if (verify_repository_format(format, &sb) < 0) {
		warning("%s", sb.buf);
		ret = -1;
	}

	strbuf_release(&sb);
	return ret;
}

/*
 * Initialize 'repo' based on the provided 'gitdir'.
 * Return 0 upon success and a non-zero value upon failure.
 */
int repo_init(struct repository *repo,
	      const char *gitdir,
	      const char *worktree)
{
	struct repository_format format = REPOSITORY_FORMAT_INIT;
	memset(repo, 0, sizeof(*repo));

	repo->objects = raw_object_store_new();
	repo->parsed_objects = parsed_object_pool_new();
	repo->remote_state = remote_state_new();

	if (repo_init_gitdir(repo, gitdir))
		goto error;

	if (read_and_verify_repository_format(&format, repo->commondir))
		goto error;

	repo_set_hash_algo(repo, format.hash_algo);
	repo_set_compat_hash_algo(repo, format.compat_hash_algo);
	repo->repository_format_worktree_config = format.worktree_config;

	/* take ownership of format.partial_clone */
	repo->repository_format_partial_clone = format.partial_clone;
	format.partial_clone = NULL;

	if (worktree)
		repo_set_worktree(repo, worktree);

	if (repo->compat_hash_algo)
		repo_read_loose_object_map(repo);

	clear_repository_format(&format);
	return 0;

error:
	repo_clear(repo);
	return -1;
}

int repo_submodule_init(struct repository *subrepo,
			struct repository *superproject,
			const char *path,
			const struct object_id *treeish_name)
{
	struct strbuf gitdir = STRBUF_INIT;
	struct strbuf worktree = STRBUF_INIT;
	int ret = 0;

	strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
	strbuf_repo_worktree_path(&worktree, superproject, "%s", path);

	if (repo_init(subrepo, gitdir.buf, worktree.buf)) {
		/*
		 * If initialization fails then it may be due to the submodule
		 * not being populated in the superproject's worktree.  Instead
		 * we can try to initialize the submodule by finding it's gitdir
		 * in the superproject's 'modules' directory.  In this case the
		 * submodule would not have a worktree.
		 */
		const struct submodule *sub =
			submodule_from_path(superproject, treeish_name, path);
		if (!sub) {
			ret = -1;
			goto out;
		}

		strbuf_reset(&gitdir);
		submodule_name_to_gitdir(&gitdir, superproject, sub->name);

		if (repo_init(subrepo, gitdir.buf, NULL)) {
			ret = -1;
			goto out;
		}
	}

	subrepo->submodule_prefix = xstrfmt("%s%s/",
					    superproject->submodule_prefix ?
					    superproject->submodule_prefix :
					    "", path);

out:
	strbuf_release(&gitdir);
	strbuf_release(&worktree);
	return ret;
}

static void repo_clear_path_cache(struct repo_path_cache *cache)
{
	FREE_AND_NULL(cache->squash_msg);
	FREE_AND_NULL(cache->squash_msg);
	FREE_AND_NULL(cache->merge_msg);
	FREE_AND_NULL(cache->merge_rr);
	FREE_AND_NULL(cache->merge_mode);
	FREE_AND_NULL(cache->merge_head);
	FREE_AND_NULL(cache->merge_autostash);
	FREE_AND_NULL(cache->auto_merge);
	FREE_AND_NULL(cache->fetch_head);
	FREE_AND_NULL(cache->shallow);
}

void repo_clear(struct repository *repo)
{
	FREE_AND_NULL(repo->gitdir);
	FREE_AND_NULL(repo->commondir);
	FREE_AND_NULL(repo->graft_file);
	FREE_AND_NULL(repo->index_file);
	FREE_AND_NULL(repo->worktree);
	FREE_AND_NULL(repo->submodule_prefix);

	raw_object_store_clear(repo->objects);
	FREE_AND_NULL(repo->objects);

	parsed_object_pool_clear(repo->parsed_objects);
	FREE_AND_NULL(repo->parsed_objects);

	if (repo->config) {
		git_configset_clear(repo->config);
		FREE_AND_NULL(repo->config);
	}

	if (repo->submodule_cache) {
		submodule_cache_free(repo->submodule_cache);
		repo->submodule_cache = NULL;
	}

	if (repo->index) {
		discard_index(repo->index);
		if (repo->index != &the_index)
			FREE_AND_NULL(repo->index);
	}

	if (repo->promisor_remote_config) {
		promisor_remote_clear(repo->promisor_remote_config);
		FREE_AND_NULL(repo->promisor_remote_config);
	}

	if (repo->remote_state) {
		remote_state_clear(repo->remote_state);
		FREE_AND_NULL(repo->remote_state);
	}

	repo_clear_path_cache(&repo->cached_paths);
}

int repo_read_index(struct repository *repo)
{
	int res;

	/* Complete the double-reference */
	if (!repo->index) {
		ALLOC_ARRAY(repo->index, 1);
		index_state_init(repo->index, repo);
	} else if (repo->index->repo != repo) {
		BUG("repo's index should point back at itself");
	}

	res = read_index_from(repo->index, repo->index_file, repo->gitdir);

	prepare_repo_settings(repo);
	if (repo->settings.command_requires_full_index)
		ensure_full_index(repo->index);

	/*
	 * If sparse checkouts are in use, check whether paths with the
	 * SKIP_WORKTREE attribute are missing from the worktree; if not,
	 * clear that attribute for that path.
	 */
	clear_skip_worktree_from_present_files(repo->index);

	return res;
}

int repo_hold_locked_index(struct repository *repo,
			   struct lock_file *lf,
			   int flags)
{
	if (!repo->index_file)
		BUG("the repo hasn't been setup");
	return hold_lock_file_for_update(lf, repo->index_file, flags);
}
Commit	Line	Data
f8adbec9 NTND	1	/*
	2	* not really _using_ the compat macros, just make sure the_index
	3	* declaration matches the definition in this file.
	4	*/
666f53eb	5	#define USE_THE_INDEX_VARIABLE
bc5c5ec0	6	#include "git-compat-util.h"
0b027f6c	7	#include "abspath.h"
359efeff	8	#include "repository.h"
a034e910	9	#include "object-store-ll.h"
3b256228	10	#include "config.h"
99bf115c	11	#include "object.h"
3a95f31d	12	#include "lockfile.h"
c339932b	13	#include "path.h"
08c46a49	14	#include "read-cache-ll.h"
fd3cb050	15	#include "remote.h"
e38da487	16	#include "setup.h"
23b2c7e9	17	#include "loose.h"
bf12fcdf	18	#include "submodule-config.h"
3964fc2a	19	#include "sparse-index.h"
74ea5c95	20	#include "trace2.h"
ef7dc2e9	21	#include "promisor-remote.h"
359efeff BW	22
359efeff BW	23	/* The main repository */
b2f0ecee NTND	24	static struct repository the_repo;
b2f0ecee NTND	25	struct repository *the_repository;
f8adbec9	26	struct index_state the_index;
b2f0ecee NTND	27
	28	void initialize_the_repository(void)
	29	{
	30	the_repository = &the_repo;
	31
	32	the_repo.index = &the_index;
90c62155	33	the_repo.objects = raw_object_store_new();
fd3cb050	34	the_repo.remote_state = remote_state_new();
99bf115c SB	35	the_repo.parsed_objects = parsed_object_pool_new();
99bf115c SB	36
6269f8ea ÆAB	37	index_state_init(&the_index, the_repository);
6269f8ea ÆAB	38
b2f0ecee NTND	39	repo_set_hash_algo(&the_repo, GIT_HASH_SHA1);
b2f0ecee NTND	40	}
359efeff	41
357a03eb NTND	42	static void expand_base_dir(char *out, const char in,
	43	const char base_dir, const char def_in)
	44	{
	45	free(*out);
	46	if (in)
	47	*out = xstrdup(in);
	48	else
	49	*out = xstrfmt("%s/%s", base_dir, def_in);
	50	}
	51
	52	static void repo_set_commondir(struct repository *repo,
	53	const char *commondir)
359efeff BW	54	{
	55	struct strbuf sb = STRBUF_INIT;
	56
f9b7573f	57	free(repo->commondir);
357a03eb NTND	58
	59	if (commondir) {
	60	repo->different_commondir = 1;
	61	repo->commondir = xstrdup(commondir);
	62	return;
	63	}
	64
	65	repo->different_commondir = get_common_dir_noenv(&sb, repo->gitdir);
359efeff	66	repo->commondir = strbuf_detach(&sb, NULL);
359efeff BW	67	}
359efeff BW	68
357a03eb NTND	69	void repo_set_gitdir(struct repository *repo,
	70	const char *root,
	71	const struct set_gitdir_args *o)
359efeff	72	{
357a03eb NTND	73	const char *gitfile = read_gitfile(root);
	74	/*
	75	* repo->gitdir is saved because the caller could pass "root"
	76	* that also points to repo->gitdir. We want to keep it alive
	77	* until after xstrdup(root). Then we can free it.
	78	*/
1fb2b636	79	char *old_gitdir = repo->gitdir;
359efeff	80
357a03eb	81	repo->gitdir = xstrdup(gitfile ? gitfile : root);
1fb2b636	82	free(old_gitdir);
357a03eb NTND	83
357a03eb NTND	84	repo_set_commondir(repo, o->commondir);
f0eaf638 JK	85
f0eaf638 JK	86	if (!repo->objects->odb) {
ca56dadb	87	CALLOC_ARRAY(repo->objects->odb, 1);
f0eaf638 JK	88	repo->objects->odb_tail = &repo->objects->odb->next;
	89	}
	90	expand_base_dir(&repo->objects->odb->path, o->object_dir,
357a03eb	91	repo->commondir, "objects");
f0eaf638	92
ecd81dfc NS	93	repo->objects->odb->disable_ref_updates = o->disable_ref_updates;
ecd81dfc NS	94
90c62155 SB	95	free(repo->objects->alternate_db);
90c62155 SB	96	repo->objects->alternate_db = xstrdup_or_null(o->alternate_db);
357a03eb NTND	97	expand_base_dir(&repo->graft_file, o->graft_file,
	98	repo->commondir, "info/grafts");
	99	expand_base_dir(&repo->index_file, o->index_file,
	100	repo->gitdir, "index");
359efeff BW	101	}
359efeff BW	102
78a67668	103	void repo_set_hash_algo(struct repository *repo, int hash_algo)
	104	{
	105	repo->hash_algo = &hash_algos[hash_algo];
	106	}
	107
15a1ca1a EB	108	void repo_set_compat_hash_algo(struct repository *repo, int algo)
	109	{
	110	if (hash_algo_by_ptr(repo->hash_algo) == algo)
	111	BUG("hash_algo and compat_hash_algo match");
	112	repo->compat_hash_algo = algo ? &hash_algos[algo] : NULL;
23b2c7e9	113	if (repo->compat_hash_algo)
23b2c7e9	114	repo_read_loose_object_map(repo);
15a1ca1a EB	115	}
15a1ca1a EB	116
359efeff BW	117	/*
	118	* Attempt to resolve and set the provided 'gitdir' for repository 'repo'.
	119	* Return 0 upon success and a non-zero value upon failure.
	120	*/
	121	static int repo_init_gitdir(struct repository repo, const char gitdir)
	122	{
	123	int ret = 0;
	124	int error = 0;
	125	char *abspath = NULL;
	126	const char *resolved_gitdir;
357a03eb	127	struct set_gitdir_args args = { NULL };
359efeff BW	128
	129	abspath = real_pathdup(gitdir, 0);
	130	if (!abspath) {
	131	ret = -1;
	132	goto out;
	133	}
	134
	135	/* 'gitdir' must reference the gitdir directly */
	136	resolved_gitdir = resolve_gitdir_gently(abspath, &error);
	137	if (!resolved_gitdir) {
	138	ret = -1;
	139	goto out;
	140	}
	141
357a03eb	142	repo_set_gitdir(repo, resolved_gitdir, &args);
359efeff BW	143
	144	out:
	145	free(abspath);
	146	return ret;
	147	}
	148
	149	void repo_set_worktree(struct repository repo, const char path)
	150	{
	151	repo->worktree = real_pathdup(path, 1);
ee4512ed JH	152
ee4512ed JH	153	trace2_def_repo(repo);
359efeff BW	154	}
	155
	156	static int read_and_verify_repository_format(struct repository_format *format,
	157	const char *commondir)
	158	{
	159	int ret = 0;
	160	struct strbuf sb = STRBUF_INIT;
	161
	162	strbuf_addf(&sb, "%s/config", commondir);
	163	read_repository_format(format, sb.buf);
	164	strbuf_reset(&sb);
	165
	166	if (verify_repository_format(format, &sb) < 0) {
	167	warning("%s", sb.buf);
	168	ret = -1;
	169	}
	170
	171	strbuf_release(&sb);
	172	return ret;
	173	}
	174
	175	/*
	176	* Initialize 'repo' based on the provided 'gitdir'.
	177	* Return 0 upon success and a non-zero value upon failure.
	178	*/
da62f786 SB	179	int repo_init(struct repository *repo,
	180	const char *gitdir,
	181	const char *worktree)
359efeff	182	{
e8805af1	183	struct repository_format format = REPOSITORY_FORMAT_INIT;
359efeff BW	184	memset(repo, 0, sizeof(*repo));
359efeff BW	185
90c62155	186	repo->objects = raw_object_store_new();
99bf115c	187	repo->parsed_objects = parsed_object_pool_new();
fd3cb050	188	repo->remote_state = remote_state_new();
90c62155	189
359efeff BW	190	if (repo_init_gitdir(repo, gitdir))
	191	goto error;
	192
	193	if (read_and_verify_repository_format(&format, repo->commondir))
	194	goto error;
	195
78a67668	196	repo_set_hash_algo(repo, format.hash_algo);
9ae702fa	197	repo_set_compat_hash_algo(repo, format.compat_hash_algo);
3867f6d6	198	repo->repository_format_worktree_config = format.worktree_config;
78a67668	199
ebaf3bcf JT	200	/* take ownership of format.partial_clone */
	201	repo->repository_format_partial_clone = format.partial_clone;
	202	format.partial_clone = NULL;
	203
359efeff BW	204	if (worktree)
	205	repo_set_worktree(repo, worktree);
	206
23b2c7e9	207	if (repo->compat_hash_algo)
	208	repo_read_loose_object_map(repo);
	209
e8805af1	210	clear_repository_format(&format);
359efeff BW	211	return 0;
	212
	213	error:
	214	repo_clear(repo);
	215	return -1;
	216	}
	217
d5498e08	218	int repo_submodule_init(struct repository *subrepo,
96dc883b	219	struct repository *superproject,
8eb8dcf9 JT	220	const char *path,
8eb8dcf9 JT	221	const struct object_id *treeish_name)
96dc883b	222	{
96dc883b BW	223	struct strbuf gitdir = STRBUF_INIT;
	224	struct strbuf worktree = STRBUF_INIT;
	225	int ret = 0;
	226
8eb8dcf9 JT	227	strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
8eb8dcf9 JT	228	strbuf_repo_worktree_path(&worktree, superproject, "%s", path);
96dc883b	229
d5498e08	230	if (repo_init(subrepo, gitdir.buf, worktree.buf)) {
96dc883b	231	/*
15beaaa3	232	* If initialization fails then it may be due to the submodule
96dc883b	233	* not being populated in the superproject's worktree. Instead
15beaaa3	234	* we can try to initialize the submodule by finding it's gitdir
96dc883b BW	235	* in the superproject's 'modules' directory. In this case the
	236	* submodule would not have a worktree.
	237	*/
8eb8dcf9 JT	238	const struct submodule *sub =
	239	submodule_from_path(superproject, treeish_name, path);
	240	if (!sub) {
	241	ret = -1;
	242	goto out;
	243	}
	244
96dc883b	245	strbuf_reset(&gitdir);
ce125d43	246	submodule_name_to_gitdir(&gitdir, superproject, sub->name);
96dc883b	247
d5498e08	248	if (repo_init(subrepo, gitdir.buf, NULL)) {
96dc883b BW	249	ret = -1;
	250	goto out;
	251	}
	252	}
	253
d5498e08 SB	254	subrepo->submodule_prefix = xstrfmt("%s%s/",
	255	superproject->submodule_prefix ?
	256	superproject->submodule_prefix :
8eb8dcf9	257	"", path);
96dc883b BW	258
	259	out:
	260	strbuf_release(&gitdir);
	261	strbuf_release(&worktree);
	262	return ret;
	263	}
	264
759f3407 ÆAB	265	static void repo_clear_path_cache(struct repo_path_cache *cache)
	266	{
	267	FREE_AND_NULL(cache->squash_msg);
	268	FREE_AND_NULL(cache->squash_msg);
	269	FREE_AND_NULL(cache->merge_msg);
	270	FREE_AND_NULL(cache->merge_rr);
	271	FREE_AND_NULL(cache->merge_mode);
	272	FREE_AND_NULL(cache->merge_head);
	273	FREE_AND_NULL(cache->merge_autostash);
	274	FREE_AND_NULL(cache->auto_merge);
	275	FREE_AND_NULL(cache->fetch_head);
	276	FREE_AND_NULL(cache->shallow);
	277	}
	278
359efeff BW	279	void repo_clear(struct repository *repo)
359efeff BW	280	{
90dd04aa RS	281	FREE_AND_NULL(repo->gitdir);
90dd04aa RS	282	FREE_AND_NULL(repo->commondir);
90dd04aa RS	283	FREE_AND_NULL(repo->graft_file);
	284	FREE_AND_NULL(repo->index_file);
	285	FREE_AND_NULL(repo->worktree);
	286	FREE_AND_NULL(repo->submodule_prefix);
3b256228	287
90c62155 SB	288	raw_object_store_clear(repo->objects);
	289	FREE_AND_NULL(repo->objects);
	290
99bf115c SB	291	parsed_object_pool_clear(repo->parsed_objects);
	292	FREE_AND_NULL(repo->parsed_objects);
	293
3b256228 BW	294	if (repo->config) {
3b256228 BW	295	git_configset_clear(repo->config);
90dd04aa	296	FREE_AND_NULL(repo->config);
3b256228	297	}
639e30b5	298
bf12fcdf BW	299	if (repo->submodule_cache) {
	300	submodule_cache_free(repo->submodule_cache);
	301	repo->submodule_cache = NULL;
	302	}
	303
639e30b5 BW	304	if (repo->index) {
639e30b5 BW	305	discard_index(repo->index);
74373b5f NTND	306	if (repo->index != &the_index)
74373b5f NTND	307	FREE_AND_NULL(repo->index);
639e30b5	308	}
ef7dc2e9 JT	309
	310	if (repo->promisor_remote_config) {
	311	promisor_remote_clear(repo->promisor_remote_config);
	312	FREE_AND_NULL(repo->promisor_remote_config);
	313	}
fd3cb050 GC	314
	315	if (repo->remote_state) {
	316	remote_state_clear(repo->remote_state);
	317	FREE_AND_NULL(repo->remote_state);
	318	}
759f3407 ÆAB	319
759f3407 ÆAB	320	repo_clear_path_cache(&repo->cached_paths);
639e30b5 BW	321	}
	322
	323	int repo_read_index(struct repository *repo)
	324	{
3964fc2a DS	325	int res;
3964fc2a DS	326
6269f8ea	327	/* Complete the double-reference */
2f6b1eb7 ÆAB	328	if (!repo->index) {
2f6b1eb7 ÆAB	329	ALLOC_ARRAY(repo->index, 1);
6269f8ea ÆAB	330	index_state_init(repo->index, repo);
6269f8ea ÆAB	331	} else if (repo->index->repo != repo) {
1fd9ae51	332	BUG("repo's index should point back at itself");
6269f8ea	333	}
1fd9ae51	334
3964fc2a DS	335	res = read_index_from(repo->index, repo->index_file, repo->gitdir);
	336
	337	prepare_repo_settings(repo);
	338	if (repo->settings.command_requires_full_index)
	339	ensure_full_index(repo->index);
	340
af6a5187 EN	341	/*
	342	* If sparse checkouts are in use, check whether paths with the
	343	* SKIP_WORKTREE attribute are missing from the worktree; if not,
	344	* clear that attribute for that path.
	345	*/
	346	clear_skip_worktree_from_present_files(repo->index);
	347
3964fc2a	348	return res;
359efeff	349	}
3a95f31d NTND	350
	351	int repo_hold_locked_index(struct repository *repo,
	352	struct lock_file *lf,
	353	int flags)
	354	{
	355	if (!repo->index_file)
	356	BUG("the repo hasn't been setup");
	357	return hold_lock_file_for_update(lf, repo->index_file, flags);
	358	}