[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);
}

void repo_set_ref_storage_format(struct repository *repo, unsigned int format)
{
	repo->ref_storage_format = format;
}

/*
 * 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_set_ref_storage_format(repo, format.ref_storage_format);
	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->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
173761e2 PS	117	void repo_set_ref_storage_format(struct repository *repo, unsigned int format)
	118	{
	119	repo->ref_storage_format = format;
	120	}
	121
359efeff BW	122	/*
	123	* Attempt to resolve and set the provided 'gitdir' for repository 'repo'.
	124	* Return 0 upon success and a non-zero value upon failure.
	125	*/
	126	static int repo_init_gitdir(struct repository repo, const char gitdir)
	127	{
	128	int ret = 0;
	129	int error = 0;
	130	char *abspath = NULL;
	131	const char *resolved_gitdir;
357a03eb	132	struct set_gitdir_args args = { NULL };
359efeff BW	133
	134	abspath = real_pathdup(gitdir, 0);
	135	if (!abspath) {
	136	ret = -1;
	137	goto out;
	138	}
	139
	140	/* 'gitdir' must reference the gitdir directly */
	141	resolved_gitdir = resolve_gitdir_gently(abspath, &error);
	142	if (!resolved_gitdir) {
	143	ret = -1;
	144	goto out;
	145	}
	146
357a03eb	147	repo_set_gitdir(repo, resolved_gitdir, &args);
359efeff BW	148
	149	out:
	150	free(abspath);
	151	return ret;
	152	}
	153
	154	void repo_set_worktree(struct repository repo, const char path)
	155	{
	156	repo->worktree = real_pathdup(path, 1);
ee4512ed JH	157
ee4512ed JH	158	trace2_def_repo(repo);
359efeff BW	159	}
	160
	161	static int read_and_verify_repository_format(struct repository_format *format,
	162	const char *commondir)
	163	{
	164	int ret = 0;
	165	struct strbuf sb = STRBUF_INIT;
	166
	167	strbuf_addf(&sb, "%s/config", commondir);
	168	read_repository_format(format, sb.buf);
	169	strbuf_reset(&sb);
	170
	171	if (verify_repository_format(format, &sb) < 0) {
	172	warning("%s", sb.buf);
	173	ret = -1;
	174	}
	175
	176	strbuf_release(&sb);
	177	return ret;
	178	}
	179
	180	/*
	181	* Initialize 'repo' based on the provided 'gitdir'.
	182	* Return 0 upon success and a non-zero value upon failure.
	183	*/
da62f786 SB	184	int repo_init(struct repository *repo,
	185	const char *gitdir,
	186	const char *worktree)
359efeff	187	{
e8805af1	188	struct repository_format format = REPOSITORY_FORMAT_INIT;
359efeff BW	189	memset(repo, 0, sizeof(*repo));
359efeff BW	190
90c62155	191	repo->objects = raw_object_store_new();
99bf115c	192	repo->parsed_objects = parsed_object_pool_new();
fd3cb050	193	repo->remote_state = remote_state_new();
90c62155	194
359efeff BW	195	if (repo_init_gitdir(repo, gitdir))
	196	goto error;
	197
	198	if (read_and_verify_repository_format(&format, repo->commondir))
	199	goto error;
	200
78a67668	201	repo_set_hash_algo(repo, format.hash_algo);
9ae702fa	202	repo_set_compat_hash_algo(repo, format.compat_hash_algo);
173761e2	203	repo_set_ref_storage_format(repo, format.ref_storage_format);
3867f6d6	204	repo->repository_format_worktree_config = format.worktree_config;
78a67668	205
ebaf3bcf JT	206	/* take ownership of format.partial_clone */
	207	repo->repository_format_partial_clone = format.partial_clone;
	208	format.partial_clone = NULL;
	209
359efeff BW	210	if (worktree)
	211	repo_set_worktree(repo, worktree);
	212
23b2c7e9	213	if (repo->compat_hash_algo)
	214	repo_read_loose_object_map(repo);
	215
e8805af1	216	clear_repository_format(&format);
359efeff BW	217	return 0;
	218
	219	error:
	220	repo_clear(repo);
	221	return -1;
	222	}
	223
d5498e08	224	int repo_submodule_init(struct repository *subrepo,
96dc883b	225	struct repository *superproject,
8eb8dcf9 JT	226	const char *path,
8eb8dcf9 JT	227	const struct object_id *treeish_name)
96dc883b	228	{
96dc883b BW	229	struct strbuf gitdir = STRBUF_INIT;
	230	struct strbuf worktree = STRBUF_INIT;
	231	int ret = 0;
	232
8eb8dcf9 JT	233	strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
8eb8dcf9 JT	234	strbuf_repo_worktree_path(&worktree, superproject, "%s", path);
96dc883b	235
d5498e08	236	if (repo_init(subrepo, gitdir.buf, worktree.buf)) {
96dc883b	237	/*
15beaaa3	238	* If initialization fails then it may be due to the submodule
96dc883b	239	* not being populated in the superproject's worktree. Instead
15beaaa3	240	* we can try to initialize the submodule by finding it's gitdir
96dc883b BW	241	* in the superproject's 'modules' directory. In this case the
	242	* submodule would not have a worktree.
	243	*/
8eb8dcf9 JT	244	const struct submodule *sub =
	245	submodule_from_path(superproject, treeish_name, path);
	246	if (!sub) {
	247	ret = -1;
	248	goto out;
	249	}
	250
96dc883b	251	strbuf_reset(&gitdir);
ce125d43	252	submodule_name_to_gitdir(&gitdir, superproject, sub->name);
96dc883b	253
d5498e08	254	if (repo_init(subrepo, gitdir.buf, NULL)) {
96dc883b BW	255	ret = -1;
	256	goto out;
	257	}
	258	}
	259
d5498e08 SB	260	subrepo->submodule_prefix = xstrfmt("%s%s/",
	261	superproject->submodule_prefix ?
	262	superproject->submodule_prefix :
8eb8dcf9	263	"", path);
96dc883b BW	264
	265	out:
	266	strbuf_release(&gitdir);
	267	strbuf_release(&worktree);
	268	return ret;
	269	}
	270
759f3407 ÆAB	271	static void repo_clear_path_cache(struct repo_path_cache *cache)
	272	{
	273	FREE_AND_NULL(cache->squash_msg);
	274	FREE_AND_NULL(cache->squash_msg);
	275	FREE_AND_NULL(cache->merge_msg);
	276	FREE_AND_NULL(cache->merge_rr);
	277	FREE_AND_NULL(cache->merge_mode);
	278	FREE_AND_NULL(cache->merge_head);
759f3407 ÆAB	279	FREE_AND_NULL(cache->fetch_head);
	280	FREE_AND_NULL(cache->shallow);
	281	}
	282
359efeff BW	283	void repo_clear(struct repository *repo)
359efeff BW	284	{
90dd04aa RS	285	FREE_AND_NULL(repo->gitdir);
90dd04aa RS	286	FREE_AND_NULL(repo->commondir);
90dd04aa RS	287	FREE_AND_NULL(repo->graft_file);
	288	FREE_AND_NULL(repo->index_file);
	289	FREE_AND_NULL(repo->worktree);
	290	FREE_AND_NULL(repo->submodule_prefix);
3b256228	291
90c62155 SB	292	raw_object_store_clear(repo->objects);
	293	FREE_AND_NULL(repo->objects);
	294
99bf115c SB	295	parsed_object_pool_clear(repo->parsed_objects);
	296	FREE_AND_NULL(repo->parsed_objects);
	297
3b256228 BW	298	if (repo->config) {
3b256228 BW	299	git_configset_clear(repo->config);
90dd04aa	300	FREE_AND_NULL(repo->config);
3b256228	301	}
639e30b5	302
bf12fcdf BW	303	if (repo->submodule_cache) {
	304	submodule_cache_free(repo->submodule_cache);
	305	repo->submodule_cache = NULL;
	306	}
	307
639e30b5 BW	308	if (repo->index) {
639e30b5 BW	309	discard_index(repo->index);
74373b5f NTND	310	if (repo->index != &the_index)
74373b5f NTND	311	FREE_AND_NULL(repo->index);
639e30b5	312	}
ef7dc2e9 JT	313
	314	if (repo->promisor_remote_config) {
	315	promisor_remote_clear(repo->promisor_remote_config);
	316	FREE_AND_NULL(repo->promisor_remote_config);
	317	}
fd3cb050 GC	318
	319	if (repo->remote_state) {
	320	remote_state_clear(repo->remote_state);
	321	FREE_AND_NULL(repo->remote_state);
	322	}
759f3407 ÆAB	323
759f3407 ÆAB	324	repo_clear_path_cache(&repo->cached_paths);
639e30b5 BW	325	}
	326
	327	int repo_read_index(struct repository *repo)
	328	{
3964fc2a DS	329	int res;
3964fc2a DS	330
6269f8ea	331	/* Complete the double-reference */
2f6b1eb7 ÆAB	332	if (!repo->index) {
2f6b1eb7 ÆAB	333	ALLOC_ARRAY(repo->index, 1);
6269f8ea ÆAB	334	index_state_init(repo->index, repo);
6269f8ea ÆAB	335	} else if (repo->index->repo != repo) {
1fd9ae51	336	BUG("repo's index should point back at itself");
6269f8ea	337	}
1fd9ae51	338
3964fc2a DS	339	res = read_index_from(repo->index, repo->index_file, repo->gitdir);
	340
	341	prepare_repo_settings(repo);
	342	if (repo->settings.command_requires_full_index)
	343	ensure_full_index(repo->index);
	344
af6a5187 EN	345	/*
	346	* If sparse checkouts are in use, check whether paths with the
	347	* SKIP_WORKTREE attribute are missing from the worktree; if not,
	348	* clear that attribute for that path.
	349	*/
	350	clear_skip_worktree_from_present_files(repo->index);
	351
3964fc2a	352	return res;
359efeff	353	}
3a95f31d NTND	354
	355	int repo_hold_locked_index(struct repository *repo,
	356	struct lock_file *lf,
	357	int flags)
	358	{
	359	if (!repo->index_file)
	360	BUG("the repo hasn't been setup");
	361	return hold_lock_file_for_update(lf, repo->index_file, flags);
	362	}