[thirdparty/git.git] / update-index.c

/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.h"
#include "strbuf.h"

/*
 * Default to not allowing changes to the list of files. The
 * tool doesn't actually care, but this makes it harder to add
 * files to the revision control by mistake by doing something
 * like "git-update-index *" and suddenly having all the object
 * files be revision controlled.
 */
static int allow_add = 0, allow_remove = 0, allow_replace = 0, allow_unmerged = 0, not_new = 0, quiet = 0, info_only = 0;
static int force_remove;

/* Three functions to allow overloaded pointer return; see linux/err.h */
static inline void *ERR_PTR(long error)
{
	return (void *) error;
}

static inline long PTR_ERR(const void *ptr)
{
	return (long) ptr;
}

static inline long IS_ERR(const void *ptr)
{
	return (unsigned long)ptr > (unsigned long)-1000L;
}

static int add_file_to_cache(const char *path)
{
	int size, namelen, option, status;
	struct cache_entry *ce;
	struct stat st;
	int fd;
	char *target;

	status = lstat(path, &st);
	if (status < 0 || S_ISDIR(st.st_mode)) {
		/* When we used to have "path" and now we want to add
		 * "path/file", we need a way to remove "path" before
		 * being able to add "path/file".  However,
		 * "git-update-index --remove path" would not work.
		 * --force-remove can be used but this is more user
		 * friendly, especially since we can do the opposite
		 * case just fine without --force-remove.
		 */
		if (status == 0 || (errno == ENOENT || errno == ENOTDIR)) {
			if (allow_remove) {
				if (remove_file_from_cache(path))
					return error("%s: cannot remove from the index",
					             path);
				else
					return 0;
			} else if (status < 0) {
				return error("%s: does not exist and --remove not passed",
				             path);
			}
		}
		if (0 == status)
			return error("%s: is a directory - add files inside instead",
			             path);
		else
			return error("lstat(\"%s\"): %s", path,
				     strerror(errno));
	}
	namelen = strlen(path);
	size = cache_entry_size(namelen);
	ce = xmalloc(size);
	memset(ce, 0, size);
	memcpy(ce->name, path, namelen);
	fill_stat_cache_info(ce, &st);
	ce->ce_mode = create_ce_mode(st.st_mode);
	ce->ce_flags = htons(namelen);
	switch (st.st_mode & S_IFMT) {
	case S_IFREG:
		fd = open(path, O_RDONLY);
		if (fd < 0)
			return error("open(\"%s\"): %s", path, strerror(errno));
		if (index_fd(ce->sha1, fd, &st, !info_only, NULL) < 0)
			return error("%s: failed to insert into database", path);
		break;
	case S_IFLNK:
		target = xmalloc(st.st_size+1);
		if (readlink(path, target, st.st_size+1) != st.st_size) {
			char *errstr = strerror(errno);
			free(target);
			return error("readlink(\"%s\"): %s", path,
			             errstr);
		}
		if (info_only) {
			unsigned char hdr[50];
			int hdrlen;
			write_sha1_file_prepare(target, st.st_size, "blob",
						ce->sha1, hdr, &hdrlen);
		} else if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
			return error("%s: failed to insert into database", path);
		free(target);
		break;
	default:
		return error("%s: unsupported file type", path);
	}
	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
	option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
	if (add_cache_entry(ce, option))
		return error("%s: cannot add to the index - missing --add option?",
			     path);
	return 0;
}

/*
 * "refresh" does not calculate a new sha1 file or bring the
 * cache up-to-date for mode/content changes. But what it
 * _does_ do is to "re-match" the stat information of a file
 * with the cache, so that you can refresh the cache for a
 * file that hasn't been changed but where the stat entry is
 * out of date.
 *
 * For example, you'd want to do this after doing a "git-read-tree",
 * to link up the stat cache details with the proper files.
 */
static struct cache_entry *refresh_entry(struct cache_entry *ce)
{
	struct stat st;
	struct cache_entry *updated;
	int changed, size;

	if (lstat(ce->name, &st) < 0)
		return ERR_PTR(-errno);

	changed = ce_match_stat(ce, &st);
	if (!changed)
		return NULL;

	if (ce_modified(ce, &st))
		return ERR_PTR(-EINVAL);

	size = ce_size(ce);
	updated = xmalloc(size);
	memcpy(updated, ce, size);
	fill_stat_cache_info(updated, &st);
	return updated;
}

static int refresh_cache(void)
{
	int i;
	int has_errors = 0;

	for (i = 0; i < active_nr; i++) {
		struct cache_entry *ce, *new;
		ce = active_cache[i];
		if (ce_stage(ce)) {
			while ((i < active_nr) &&
			       ! strcmp(active_cache[i]->name, ce->name))
				i++;
			i--;
			if (allow_unmerged)
				continue;
			printf("%s: needs merge\n", ce->name);
			has_errors = 1;
			continue;
		}

		new = refresh_entry(ce);
		if (!new)
			continue;
		if (IS_ERR(new)) {
			if (not_new && PTR_ERR(new) == -ENOENT)
				continue;
			if (quiet)
				continue;
			printf("%s: needs update\n", ce->name);
			has_errors = 1;
			continue;
		}
		active_cache_changed = 1;
		/* You can NOT just free active_cache[i] here, since it
		 * might not be necessarily malloc()ed but can also come
		 * from mmap(). */
		active_cache[i] = new;
	}
	return has_errors;
}

/*
 * We fundamentally don't like some paths: we don't want
 * dot or dot-dot anywhere, and for obvious reasons don't
 * want to recurse into ".git" either.
 *
 * Also, we don't want double slashes or slashes at the
 * end that can make pathnames ambiguous.
 */
static int verify_dotfile(const char *rest)
{
	/*
	 * The first character was '.', but that
	 * has already been discarded, we now test
	 * the rest.
	 */
	switch (*rest) {
	/* "." is not allowed */
	case '\0': case '/':
		return 0;

	/*
	 * ".git" followed by  NUL or slash is bad. This
	 * shares the path end test with the ".." case.
	 */
	case 'g':
		if (rest[1] != 'i')
			break;
		if (rest[2] != 't')
			break;
		rest += 2;
	/* fallthrough */
	case '.':
		if (rest[1] == '\0' || rest[1] == '/')
			return 0;
	}
	return 1;
}

static int verify_path(const char *path)
{
	char c;

	goto inside;
	for (;;) {
		if (!c)
			return 1;
		if (c == '/') {
inside:
			c = *path++;
			switch (c) {
			default:
				continue;
			case '/': case '\0':
				break;
			case '.':
				if (verify_dotfile(path))
					continue;
			}
			return 0;
		}
		c = *path++;
	}
}

static int add_cacheinfo(const char *arg1, const char *arg2, const char *arg3)
{
	int size, len, option;
	unsigned int mode;
	unsigned char sha1[20];
	struct cache_entry *ce;

	if (sscanf(arg1, "%o", &mode) != 1)
		return -1;
	if (get_sha1_hex(arg2, sha1))
		return -1;
	if (!verify_path(arg3))
		return -1;

	len = strlen(arg3);
	size = cache_entry_size(len);
	ce = xmalloc(size);
	memset(ce, 0, size);

	memcpy(ce->sha1, sha1, 20);
	memcpy(ce->name, arg3, len);
	ce->ce_flags = htons(len);
	ce->ce_mode = create_ce_mode(mode);
	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
	option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
	return add_cache_entry(ce, option);
}

static struct cache_file cache_file;


static void update_one(const char *path, const char *prefix, int prefix_length)
{
	const char *p = prefix_path(prefix, prefix_length, path);
	if (!verify_path(p)) {
		fprintf(stderr, "Ignoring path %s\n", path);
		return;
	}
	if (force_remove) {
		if (remove_file_from_cache(p))
			die("git-update-index: unable to remove %s", path);
		return;
	}
	if (add_file_to_cache(p))
		die("Unable to process file %s", path);
}

int main(int argc, const char **argv)
{
	int i, newfd, entries, has_errors = 0, line_termination = '\n';
	int allow_options = 1;
	int read_from_stdin = 0;
	const char *prefix = setup_git_directory();
	int prefix_length = prefix ? strlen(prefix) : 0;

	newfd = hold_index_file_for_update(&cache_file, get_index_file());
	if (newfd < 0)
		die("unable to create new cachefile");

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	for (i = 1 ; i < argc; i++) {
		const char *path = argv[i];

		if (allow_options && *path == '-') {
			if (!strcmp(path, "--")) {
				allow_options = 0;
				continue;
			}
			if (!strcmp(path, "-q")) {
				quiet = 1;
				continue;
			}
			if (!strcmp(path, "--add")) {
				allow_add = 1;
				continue;
			}
			if (!strcmp(path, "--replace")) {
				allow_replace = 1;
				continue;
			}
			if (!strcmp(path, "--remove")) {
				allow_remove = 1;
				continue;
			}
			if (!strcmp(path, "--unmerged")) {
				allow_unmerged = 1;
				continue;
			}
			if (!strcmp(path, "--refresh")) {
				has_errors |= refresh_cache();
				continue;
			}
			if (!strcmp(path, "--cacheinfo")) {
				if (i+3 >= argc)
					die("git-update-index: --cacheinfo <mode> <sha1> <path>");
				if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
					die("git-update-index: --cacheinfo cannot add %s", argv[i+3]);
				i += 3;
				continue;
			}
			if (!strcmp(path, "--info-only")) {
				info_only = 1;
				continue;
			}
			if (!strcmp(path, "--force-remove")) {
				force_remove = 1;
				continue;
			}
			if (!strcmp(path, "-z")) {
				line_termination = 0;
				continue;
			}
			if (!strcmp(path, "--stdin")) {
				if (i != argc - 1)
					die("--stdin must be at the end");
				read_from_stdin = 1;
				break;
			}
			if (!strcmp(path, "--ignore-missing")) {
				not_new = 1;
				continue;
			}
			die("unknown option %s", path);
		}
		update_one(path, prefix, prefix_length);
	}
	if (read_from_stdin) {
		struct strbuf buf;
		strbuf_init(&buf);
		while (1) {
			read_line(&buf, stdin, line_termination);
			if (buf.eof)
				break;
			update_one(buf.buf, prefix, prefix_length);
		}
	}
	if (active_cache_changed) {
		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_index_file(&cache_file))
			die("Unable to write new cachefile");
	}

	return has_errors ? 1 : 0;
}
Commit	Line	Data
8bc9a0c7 LT	1	/*
	2	* GIT - The information manager from hell
	3	*
	4	* Copyright (C) Linus Torvalds, 2005
	5	*/
e83c5163	6	#include "cache.h"
ee1bec3d	7	#include "strbuf.h"
e83c5163	8
121481ab LT	9	/*
	10	* Default to not allowing changes to the list of files. The
	11	* tool doesn't actually care, but this makes it harder to add
	12	* files to the revision control by mistake by doing something
215a7ad1	13	* like "git-update-index *" and suddenly having all the object
121481ab LT	14	* files be revision controlled.
121481ab LT	15	*/
5d1a5c02	16	static int allow_add = 0, allow_remove = 0, allow_replace = 0, allow_unmerged = 0, not_new = 0, quiet = 0, info_only = 0;
9b63f501	17	static int force_remove;
c6e007b0 JB	18
	19	/* Three functions to allow overloaded pointer return; see linux/err.h */
	20	static inline void *ERR_PTR(long error)
	21	{
	22	return (void *) error;
	23	}
	24
	25	static inline long PTR_ERR(const void *ptr)
	26	{
	27	return (long) ptr;
	28	}
	29
	30	static inline long IS_ERR(const void *ptr)
	31	{
	32	return (unsigned long)ptr > (unsigned long)-1000L;
	33	}
121481ab	34
6b5ee137	35	static int add_file_to_cache(const char *path)
e83c5163	36	{
4c5abf42	37	int size, namelen, option, status;
e83c5163 LT	38	struct cache_entry *ce;
	39	struct stat st;
	40	int fd;
ffbe1add	41	char *target;
e83c5163	42
4c5abf42 JH	43	status = lstat(path, &st);
	44	if (status < 0 \|\| S_ISDIR(st.st_mode)) {
	45	/* When we used to have "path" and now we want to add
	46	* "path/file", we need a way to remove "path" before
	47	* being able to add "path/file". However,
215a7ad1	48	* "git-update-index --remove path" would not work.
4c5abf42 JH	49	* --force-remove can be used but this is more user
	50	* friendly, especially since we can do the opposite
	51	* case just fine without --force-remove.
	52	*/
	53	if (status == 0 \|\| (errno == ENOENT \|\| errno == ENOTDIR)) {
34143b26 PB	54	if (allow_remove) {
	55	if (remove_file_from_cache(path))
	56	return error("%s: cannot remove from the index",
	57	path);
	58	else
	59	return 0;
	60	} else if (status < 0) {
	61	return error("%s: does not exist and --remove not passed",
	62	path);
	63	}
121481ab	64	}
89bc8c78	65	if (0 == status)
34143b26 PB	66	return error("%s: is a directory - add files inside instead",
34143b26 PB	67	path);
89bc8c78 AW	68	else
	69	return error("lstat(\"%s\"): %s", path,
	70	strerror(errno));
e83c5163	71	}
e83c5163 LT	72	namelen = strlen(path);
e83c5163 LT	73	size = cache_entry_size(namelen);
812666c8	74	ce = xmalloc(size);
e83c5163 LT	75	memset(ce, 0, size);
e83c5163 LT	76	memcpy(ce->name, path, namelen);
711cf3a0	77	fill_stat_cache_info(ce, &st);
e4479470	78	ce->ce_mode = create_ce_mode(st.st_mode);
f5cabd13	79	ce->ce_flags = htons(namelen);
8ae0a8c5 KS	80	switch (st.st_mode & S_IFMT) {
	81	case S_IFREG:
	82	fd = open(path, O_RDONLY);
	83	if (fd < 0)
34143b26	84	return error("open(\"%s\"): %s", path, strerror(errno));
df6e1516	85	if (index_fd(ce->sha1, fd, &st, !info_only, NULL) < 0)
34143b26	86	return error("%s: failed to insert into database", path);
8ae0a8c5 KS	87	break;
8ae0a8c5 KS	88	case S_IFLNK:
ffbe1add KS	89	target = xmalloc(st.st_size+1);
ffbe1add KS	90	if (readlink(path, target, st.st_size+1) != st.st_size) {
34143b26	91	char *errstr = strerror(errno);
ffbe1add	92	free(target);
34143b26 PB	93	return error("readlink(\"%s\"): %s", path,
34143b26 PB	94	errstr);
ffbe1add	95	}
df6e1516 BL	96	if (info_only) {
	97	unsigned char hdr[50];
	98	int hdrlen;
	99	write_sha1_file_prepare(target, st.st_size, "blob",
	100	ce->sha1, hdr, &hdrlen);
	101	} else if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
34143b26	102	return error("%s: failed to insert into database", path);
ffbe1add	103	free(target);
8ae0a8c5 KS	104	break;
8ae0a8c5 KS	105	default:
34143b26	106	return error("%s: unsupported file type", path);
8ae0a8c5	107	}
192268c1 JH	108	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
192268c1 JH	109	option \|= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
34143b26 PB	110	if (add_cache_entry(ce, option))
	111	return error("%s: cannot add to the index - missing --add option?",
	112	path);
	113	return 0;
121481ab LT	114	}
121481ab LT	115
711cf3a0 LT	116	/*
	117	* "refresh" does not calculate a new sha1 file or bring the
	118	* cache up-to-date for mode/content changes. But what it
	119	* _does_ do is to "re-match" the stat information of a file
	120	* with the cache, so that you can refresh the cache for a
	121	* file that hasn't been changed but where the stat entry is
	122	* out of date.
	123	*
667bb59b	124	* For example, you'd want to do this after doing a "git-read-tree",
711cf3a0 LT	125	* to link up the stat cache details with the proper files.
	126	*/
	127	static struct cache_entry refresh_entry(struct cache_entry ce)
	128	{
	129	struct stat st;
	130	struct cache_entry *updated;
	131	int changed, size;
	132
8ae0a8c5	133	if (lstat(ce->name, &st) < 0)
c6e007b0	134	return ERR_PTR(-errno);
711cf3a0	135
5d728c84	136	changed = ce_match_stat(ce, &st);
711cf3a0	137	if (!changed)
5d1a5c02	138	return NULL;
711cf3a0	139
b0391890	140	if (ce_modified(ce, &st))
c6e007b0	141	return ERR_PTR(-EINVAL);
711cf3a0 LT	142
711cf3a0 LT	143	size = ce_size(ce);
812666c8	144	updated = xmalloc(size);
711cf3a0 LT	145	memcpy(updated, ce, size);
	146	fill_stat_cache_info(updated, &st);
	147	return updated;
121481ab LT	148	}
121481ab LT	149
90535218	150	static int refresh_cache(void)
121481ab LT	151	{
121481ab LT	152	int i;
90535218	153	int has_errors = 0;
121481ab	154
711cf3a0	155	for (i = 0; i < active_nr; i++) {
1bc992ac JH	156	struct cache_entry ce, new;
	157	ce = active_cache[i];
	158	if (ce_stage(ce)) {
1bc992ac JH	159	while ((i < active_nr) &&
	160	! strcmp(active_cache[i]->name, ce->name))
	161	i++;
	162	i--;
5d1a5c02 LT	163	if (allow_unmerged)
	164	continue;
	165	printf("%s: needs merge\n", ce->name);
	166	has_errors = 1;
1bc992ac JH	167	continue;
1bc992ac JH	168	}
711cf3a0	169
1bc992ac	170	new = refresh_entry(ce);
5d1a5c02 LT	171	if (!new)
5d1a5c02 LT	172	continue;
c6e007b0	173	if (IS_ERR(new)) {
0ed3715f LT	174	if (not_new && PTR_ERR(new) == -ENOENT)
	175	continue;
	176	if (quiet)
	177	continue;
	178	printf("%s: needs update\n", ce->name);
	179	has_errors = 1;
711cf3a0 LT	180	continue;
711cf3a0 LT	181	}
ee267527	182	active_cache_changed = 1;
62d046a0 PB	183	/* You can NOT just free active_cache[i] here, since it
	184	* might not be necessarily malloc()ed but can also come
	185	* from mmap(). */
711cf3a0 LT	186	active_cache[i] = new;
711cf3a0 LT	187	}
90535218	188	return has_errors;
e83c5163 LT	189	}
e83c5163 LT	190
e83c5163 LT	191	/*
e83c5163 LT	192	* We fundamentally don't like some paths: we don't want
320d3a1b LT	193	* dot or dot-dot anywhere, and for obvious reasons don't
320d3a1b LT	194	* want to recurse into ".git" either.
e83c5163 LT	195	*
e83c5163 LT	196	* Also, we don't want double slashes or slashes at the
aebb2679	197	* end that can make pathnames ambiguous.
e83c5163	198	*/
320d3a1b LT	199	static int verify_dotfile(const char *rest)
	200	{
	201	/*
	202	* The first character was '.', but that
	203	* has already been discarded, we now test
	204	* the rest.
	205	*/
	206	switch (*rest) {
	207	/* "." is not allowed */
	208	case '\0': case '/':
	209	return 0;
	210
	211	/*
	212	* ".git" followed by NUL or slash is bad. This
	213	* shares the path end test with the ".." case.
	214	*/
	215	case 'g':
	216	if (rest[1] != 'i')
	217	break;
	218	if (rest[2] != 't')
	219	break;
	220	rest += 2;
	221	/* fallthrough */
	222	case '.':
	223	if (rest[1] == '\0' \|\| rest[1] == '/')
	224	return 0;
	225	}
	226	return 1;
	227	}
	228
6b5ee137	229	static int verify_path(const char *path)
e83c5163 LT	230	{
	231	char c;
	232
	233	goto inside;
	234	for (;;) {
	235	if (!c)
	236	return 1;
	237	if (c == '/') {
	238	inside:
	239	c = *path++;
320d3a1b LT	240	switch (c) {
320d3a1b LT	241	default:
e83c5163	242	continue;
320d3a1b LT	243	case '/': case '\0':
	244	break;
	245	case '.':
	246	if (verify_dotfile(path))
	247	continue;
	248	}
e83c5163 LT	249	return 0;
	250	}
	251	c = *path++;
	252	}
	253	}
	254
6b5ee137	255	static int add_cacheinfo(const char arg1, const char arg2, const char *arg3)
9945d980	256	{
192268c1	257	int size, len, option;
9945d980 LT	258	unsigned int mode;
	259	unsigned char sha1[20];
	260	struct cache_entry *ce;
	261
	262	if (sscanf(arg1, "%o", &mode) != 1)
	263	return -1;
9945d980 LT	264	if (get_sha1_hex(arg2, sha1))
9945d980 LT	265	return -1;
9945d980 LT	266	if (!verify_path(arg3))
9945d980 LT	267	return -1;
9945d980 LT	268
	269	len = strlen(arg3);
	270	size = cache_entry_size(len);
812666c8	271	ce = xmalloc(size);
9945d980 LT	272	memset(ce, 0, size);
	273
	274	memcpy(ce->sha1, sha1, 20);
	275	memcpy(ce->name, arg3, len);
f5cabd13	276	ce->ce_flags = htons(len);
e4479470	277	ce->ce_mode = create_ce_mode(mode);
192268c1 JH	278	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
	279	option \|= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
	280	return add_cache_entry(ce, option);
9945d980 LT	281	}
9945d980 LT	282
e99d59ff	283	static struct cache_file cache_file;
f2a19340	284
ee1bec3d JH	285
	286	static void update_one(const char path, const char prefix, int prefix_length)
	287	{
	288	const char *p = prefix_path(prefix, prefix_length, path);
	289	if (!verify_path(p)) {
	290	fprintf(stderr, "Ignoring path %s\n", path);
	291	return;
	292	}
	293	if (force_remove) {
	294	if (remove_file_from_cache(p))
	295	die("git-update-index: unable to remove %s", path);
	296	return;
	297	}
	298	if (add_file_to_cache(p))
	299	die("Unable to process file %s", path);
	300	}
	301
6b5ee137	302	int main(int argc, const char **argv)
e83c5163	303	{
ee1bec3d	304	int i, newfd, entries, has_errors = 0, line_termination = '\n';
121481ab	305	int allow_options = 1;
ee1bec3d	306	int read_from_stdin = 0;
cfb0af1d	307	const char *prefix = setup_git_directory();
ee1bec3d	308	int prefix_length = prefix ? strlen(prefix) : 0;
bb233d69	309
415e96c8	310	newfd = hold_index_file_for_update(&cache_file, get_index_file());
9614b8dc	311	if (newfd < 0)
2de381f9	312	die("unable to create new cachefile");
9614b8dc	313
e83c5163	314	entries = read_cache();
9614b8dc	315	if (entries < 0)
2de381f9	316	die("cache corrupted");
e83c5163	317
e83c5163	318	for (i = 1 ; i < argc; i++) {
6b5ee137	319	const char *path = argv[i];
121481ab LT	320
	321	if (allow_options && *path == '-') {
	322	if (!strcmp(path, "--")) {
	323	allow_options = 0;
	324	continue;
	325	}
0ed3715f LT	326	if (!strcmp(path, "-q")) {
	327	quiet = 1;
	328	continue;
	329	}
121481ab LT	330	if (!strcmp(path, "--add")) {
	331	allow_add = 1;
	332	continue;
	333	}
192268c1 JH	334	if (!strcmp(path, "--replace")) {
	335	allow_replace = 1;
	336	continue;
	337	}
121481ab LT	338	if (!strcmp(path, "--remove")) {
	339	allow_remove = 1;
	340	continue;
	341	}
5d1a5c02 LT	342	if (!strcmp(path, "--unmerged")) {
	343	allow_unmerged = 1;
	344	continue;
	345	}
121481ab	346	if (!strcmp(path, "--refresh")) {
90535218	347	has_errors \|= refresh_cache();
121481ab LT	348	continue;
121481ab LT	349	}
9945d980	350	if (!strcmp(path, "--cacheinfo")) {
b3f94c4b	351	if (i+3 >= argc)
215a7ad1	352	die("git-update-index: --cacheinfo <mode> <sha1> <path>");
b3f94c4b	353	if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
215a7ad1	354	die("git-update-index: --cacheinfo cannot add %s", argv[i+3]);
9945d980 LT	355	i += 3;
	356	continue;
	357	}
df6e1516 BL	358	if (!strcmp(path, "--info-only")) {
	359	info_only = 1;
	360	continue;
	361	}
0ff5bf7c	362	if (!strcmp(path, "--force-remove")) {
9b63f501	363	force_remove = 1;
0ff5bf7c JH	364	continue;
0ff5bf7c JH	365	}
ee1bec3d JH	366	if (!strcmp(path, "-z")) {
	367	line_termination = 0;
	368	continue;
	369	}
	370	if (!strcmp(path, "--stdin")) {
	371	if (i != argc - 1)
	372	die("--stdin must be at the end");
	373	read_from_stdin = 1;
	374	break;
	375	}
c6e007b0 JB	376	if (!strcmp(path, "--ignore-missing")) {
	377	not_new = 1;
	378	continue;
	379	}
2de381f9	380	die("unknown option %s", path);
121481ab	381	}
ee1bec3d JH	382	update_one(path, prefix, prefix_length);
	383	}
	384	if (read_from_stdin) {
	385	struct strbuf buf;
	386	strbuf_init(&buf);
	387	while (1) {
	388	read_line(&buf, stdin, line_termination);
	389	if (buf.eof)
	390	break;
	391	update_one(buf.buf, prefix, prefix_length);
9b63f501	392	}
e83c5163	393	}
5cd5ace7 LT	394	if (active_cache_changed) {
	395	if (write_cache(newfd, active_cache, active_nr) \|\|
	396	commit_index_file(&cache_file))
	397	die("Unable to write new cachefile");
	398	}
9614b8dc	399
c4b83e61	400	return has_errors ? 1 : 0;
e83c5163	401	}