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

/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.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-cache *" and suddenly having all the object
 * files be revision controlled.
 */
static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0;

/* 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(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-cache --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)
				return remove_file_from_cache(path);
		}
		return error("open(\"%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 -1;
		if (index_fd(ce->sha1, fd, &st) < 0)
			return -1;
		break;
	case S_IFLNK:
		target = xmalloc(st.st_size+1);
		if (readlink(path, target, st.st_size+1) != st.st_size) {
			free(target);
			return -1;
		}
		if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
			return -1;
		free(target);
		break;
	default:
		return -1;
	}
	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 int match_data(int fd, void *buffer, unsigned long size)
{
	while (size) {
		char compare[1024];
		int ret = read(fd, compare, sizeof(compare));

		if (ret <= 0 || ret > size || memcmp(buffer, compare, ret))
			return -1;
		size -= ret;
		buffer += ret;
	}
	return 0;
}

static int compare_data(struct cache_entry *ce, unsigned long expected_size)
{
	int match = -1;
	int fd = open(ce->name, O_RDONLY);

	if (fd >= 0) {
		void *buffer;
		unsigned long size;
		char type[20];

		buffer = read_sha1_file(ce->sha1, type, &size);
		if (buffer) {
			if (size == expected_size && !strcmp(type, "blob"))
				match = match_data(fd, buffer, size);
			free(buffer);
		}
		close(fd);
	}
	return match;
}

static int compare_link(struct cache_entry *ce, unsigned long expected_size)
{
	int match = -1;
	char *target;
	void *buffer;
	unsigned long size;
	char type[10];
	int len;

	target = xmalloc(expected_size);
	len = readlink(ce->name, target, expected_size);
	if (len != expected_size) {
		free(target);
		return -1;
	}
	buffer = read_sha1_file(ce->sha1, type, &size);
	if (!buffer) {
		free(target);
		return -1;
	}
	if (size == expected_size)
		match = memcmp(buffer, target, size);
	free(buffer);
	free(target);
	return match;
}

/*
 * "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 ce;

	/*
	 * If the mode or type has changed, there's no point in trying
	 * to refresh the entry - it's not going to match
	 */
	if (changed & (MODE_CHANGED | TYPE_CHANGED))
		return ERR_PTR(-EINVAL);

	switch (st.st_mode & S_IFMT) {
	case S_IFREG:
		if (compare_data(ce, st.st_size))
			return ERR_PTR(-EINVAL);
		break;
	case S_IFLNK:
		if (compare_link(ce, st.st_size))
			return ERR_PTR(-EINVAL);
		break;
	default:
		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)) {
			printf("%s: needs merge\n", ce->name);
			has_errors = 1;
			while ((i < active_nr) &&
			       ! strcmp(active_cache[i]->name, ce->name))
				i++;
			i--;
			continue;
		}

		new = refresh_entry(ce);
		if (IS_ERR(new)) {
			if (!(not_new && PTR_ERR(new) == -ENOENT)) {
				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(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(char *arg1, char *arg2, 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;

int main(int argc, char **argv)
{
	int i, newfd, entries, has_errors = 0;
	int allow_options = 1;

	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++) {
		char *path = argv[i];

		if (allow_options && *path == '-') {
			if (!strcmp(path, "--")) {
				allow_options = 0;
				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, "--refresh")) {
				has_errors |= refresh_cache();
				continue;
			}
			if (!strcmp(path, "--cacheinfo")) {
				if (i+3 >= argc)
					die("git-update-cache: --cacheinfo <mode> <sha1> <path>");
				if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
					die("git-update-cache: --cacheinfo cannot add %s", argv[i+3]);
				i += 3;
				continue;
			}
			if (!strcmp(path, "--force-remove")) {
				if (argc <= i + 1)
					die("git-update-cache: --force-remove <path>");
				if (remove_file_from_cache(argv[i+1]))
					die("git-update-cache: --force-remove cannot remove %s", argv[i+1]);
				i++;
				continue;
			}

			if (!strcmp(path, "--ignore-missing")) {
				not_new = 1;
				continue;
			}
			die("unknown option %s", path);
		}
		if (!verify_path(path)) {
			fprintf(stderr, "Ignoring path %s\n", argv[i]);
			continue;
		}
		if (add_file_to_cache(path))
			die("Unable to add %s to database", path);
	}
	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 LT	6	#include "cache.h"
e83c5163 LT	7
121481ab LT	8	/*
	9	* Default to not allowing changes to the list of files. The
	10	* tool doesn't actually care, but this makes it harder to add
	11	* files to the revision control by mistake by doing something
667bb59b	12	* like "git-update-cache *" and suddenly having all the object
121481ab LT	13	* files be revision controlled.
121481ab LT	14	*/
192268c1	15	static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0;
c6e007b0 JB	16
	17	/* Three functions to allow overloaded pointer return; see linux/err.h */
	18	static inline void *ERR_PTR(long error)
	19	{
	20	return (void *) error;
	21	}
	22
	23	static inline long PTR_ERR(const void *ptr)
	24	{
	25	return (long) ptr;
	26	}
	27
	28	static inline long IS_ERR(const void *ptr)
	29	{
	30	return (unsigned long)ptr > (unsigned long)-1000L;
	31	}
121481ab	32
ee267527	33	static int add_file_to_cache(char *path)
e83c5163	34	{
4c5abf42	35	int size, namelen, option, status;
e83c5163 LT	36	struct cache_entry *ce;
	37	struct stat st;
	38	int fd;
ffbe1add	39	char *target;
e83c5163	40
4c5abf42 JH	41	status = lstat(path, &st);
	42	if (status < 0 \|\| S_ISDIR(st.st_mode)) {
	43	/* When we used to have "path" and now we want to add
	44	* "path/file", we need a way to remove "path" before
	45	* being able to add "path/file". However,
	46	* "git-update-cache --remove path" would not work.
	47	* --force-remove can be used but this is more user
	48	* friendly, especially since we can do the opposite
	49	* case just fine without --force-remove.
	50	*/
	51	if (status == 0 \|\| (errno == ENOENT \|\| errno == ENOTDIR)) {
121481ab LT	52	if (allow_remove)
	53	return remove_file_from_cache(path);
	54	}
071c41a0	55	return error("open(\"%s\"): %s", path, strerror(errno));
e83c5163	56	}
e83c5163 LT	57	namelen = strlen(path);
e83c5163 LT	58	size = cache_entry_size(namelen);
812666c8	59	ce = xmalloc(size);
e83c5163 LT	60	memset(ce, 0, size);
e83c5163 LT	61	memcpy(ce->name, path, namelen);
711cf3a0	62	fill_stat_cache_info(ce, &st);
e4479470	63	ce->ce_mode = create_ce_mode(st.st_mode);
f5cabd13	64	ce->ce_flags = htons(namelen);
8ae0a8c5 KS	65	switch (st.st_mode & S_IFMT) {
	66	case S_IFREG:
	67	fd = open(path, O_RDONLY);
	68	if (fd < 0)
	69	return -1;
	70	if (index_fd(ce->sha1, fd, &st) < 0)
	71	return -1;
	72	break;
	73	case S_IFLNK:
ffbe1add KS	74	target = xmalloc(st.st_size+1);
	75	if (readlink(path, target, st.st_size+1) != st.st_size) {
	76	free(target);
8ae0a8c5	77	return -1;
ffbe1add KS	78	}
ffbe1add KS	79	if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
8ae0a8c5	80	return -1;
ffbe1add	81	free(target);
8ae0a8c5 KS	82	break;
8ae0a8c5 KS	83	default:
e83c5163	84	return -1;
8ae0a8c5	85	}
192268c1 JH	86	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
	87	option \|= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
	88	return add_cache_entry(ce, option);
121481ab LT	89	}
121481ab LT	90
711cf3a0 LT	91	static int match_data(int fd, void *buffer, unsigned long size)
	92	{
	93	while (size) {
	94	char compare[1024];
	95	int ret = read(fd, compare, sizeof(compare));
	96
	97	if (ret <= 0 \|\| ret > size \|\| memcmp(buffer, compare, ret))
	98	return -1;
	99	size -= ret;
	100	buffer += ret;
	101	}
	102	return 0;
	103	}
	104
32d197f1	105	static int compare_data(struct cache_entry *ce, unsigned long expected_size)
121481ab	106	{
711cf3a0 LT	107	int match = -1;
	108	int fd = open(ce->name, O_RDONLY);
	109
	110	if (fd >= 0) {
	111	void *buffer;
	112	unsigned long size;
cb1da3a7	113	char type[20];
711cf3a0 LT	114
	115	buffer = read_sha1_file(ce->sha1, type, &size);
	116	if (buffer) {
32d197f1	117	if (size == expected_size && !strcmp(type, "blob"))
711cf3a0 LT	118	match = match_data(fd, buffer, size);
	119	free(buffer);
	120	}
	121	close(fd);
	122	}
	123	return match;
	124	}
	125
ffbe1add KS	126	static int compare_link(struct cache_entry *ce, unsigned long expected_size)
	127	{
	128	int match = -1;
	129	char *target;
	130	void *buffer;
	131	unsigned long size;
	132	char type[10];
	133	int len;
	134
	135	target = xmalloc(expected_size);
	136	len = readlink(ce->name, target, expected_size);
	137	if (len != expected_size) {
	138	free(target);
	139	return -1;
	140	}
	141	buffer = read_sha1_file(ce->sha1, type, &size);
	142	if (!buffer) {
	143	free(target);
	144	return -1;
	145	}
	146	if (size == expected_size)
	147	match = memcmp(buffer, target, size);
	148	free(buffer);
	149	free(target);
	150	return match;
	151	}
	152
711cf3a0 LT	153	/*
	154	* "refresh" does not calculate a new sha1 file or bring the
	155	* cache up-to-date for mode/content changes. But what it
	156	* _does_ do is to "re-match" the stat information of a file
	157	* with the cache, so that you can refresh the cache for a
	158	* file that hasn't been changed but where the stat entry is
	159	* out of date.
	160	*
667bb59b	161	* For example, you'd want to do this after doing a "git-read-tree",
711cf3a0 LT	162	* to link up the stat cache details with the proper files.
	163	*/
	164	static struct cache_entry refresh_entry(struct cache_entry ce)
	165	{
	166	struct stat st;
	167	struct cache_entry *updated;
	168	int changed, size;
	169
8ae0a8c5	170	if (lstat(ce->name, &st) < 0)
c6e007b0	171	return ERR_PTR(-errno);
711cf3a0	172
5d728c84	173	changed = ce_match_stat(ce, &st);
711cf3a0 LT	174	if (!changed)
	175	return ce;
	176
121481ab	177	/*
8ae0a8c5	178	* If the mode or type has changed, there's no point in trying
711cf3a0	179	* to refresh the entry - it's not going to match
121481ab	180	*/
8ae0a8c5	181	if (changed & (MODE_CHANGED \| TYPE_CHANGED))
c6e007b0	182	return ERR_PTR(-EINVAL);
711cf3a0	183
ffbe1add KS	184	switch (st.st_mode & S_IFMT) {
	185	case S_IFREG:
	186	if (compare_data(ce, st.st_size))
	187	return ERR_PTR(-EINVAL);
	188	break;
	189	case S_IFLNK:
	190	if (compare_link(ce, st.st_size))
	191	return ERR_PTR(-EINVAL);
	192	break;
	193	default:
c6e007b0	194	return ERR_PTR(-EINVAL);
ffbe1add	195	}
711cf3a0 LT	196
711cf3a0 LT	197	size = ce_size(ce);
812666c8	198	updated = xmalloc(size);
711cf3a0 LT	199	memcpy(updated, ce, size);
	200	fill_stat_cache_info(updated, &st);
	201	return updated;
121481ab LT	202	}
121481ab LT	203
90535218	204	static int refresh_cache(void)
121481ab LT	205	{
121481ab LT	206	int i;
90535218	207	int has_errors = 0;
121481ab	208
711cf3a0	209	for (i = 0; i < active_nr; i++) {
1bc992ac JH	210	struct cache_entry ce, new;
	211	ce = active_cache[i];
	212	if (ce_stage(ce)) {
	213	printf("%s: needs merge\n", ce->name);
90535218	214	has_errors = 1;
1bc992ac JH	215	while ((i < active_nr) &&
	216	! strcmp(active_cache[i]->name, ce->name))
	217	i++;
	218	i--;
	219	continue;
	220	}
711cf3a0	221
1bc992ac	222	new = refresh_entry(ce);
c6e007b0	223	if (IS_ERR(new)) {
90535218	224	if (!(not_new && PTR_ERR(new) == -ENOENT)) {
c6e007b0	225	printf("%s: needs update\n", ce->name);
90535218 JH	226	has_errors = 1;
90535218 JH	227	}
711cf3a0 LT	228	continue;
711cf3a0 LT	229	}
ee267527	230	active_cache_changed = 1;
62d046a0 PB	231	/* You can NOT just free active_cache[i] here, since it
	232	* might not be necessarily malloc()ed but can also come
	233	* from mmap(). */
711cf3a0 LT	234	active_cache[i] = new;
711cf3a0 LT	235	}
90535218	236	return has_errors;
e83c5163 LT	237	}
e83c5163 LT	238
e83c5163 LT	239	/*
e83c5163 LT	240	* We fundamentally don't like some paths: we don't want
320d3a1b LT	241	* dot or dot-dot anywhere, and for obvious reasons don't
320d3a1b LT	242	* want to recurse into ".git" either.
e83c5163 LT	243	*
e83c5163 LT	244	* Also, we don't want double slashes or slashes at the
aebb2679	245	* end that can make pathnames ambiguous.
e83c5163	246	*/
320d3a1b LT	247	static int verify_dotfile(const char *rest)
	248	{
	249	/*
	250	* The first character was '.', but that
	251	* has already been discarded, we now test
	252	* the rest.
	253	*/
	254	switch (*rest) {
	255	/* "." is not allowed */
	256	case '\0': case '/':
	257	return 0;
	258
	259	/*
	260	* ".git" followed by NUL or slash is bad. This
	261	* shares the path end test with the ".." case.
	262	*/
	263	case 'g':
	264	if (rest[1] != 'i')
	265	break;
	266	if (rest[2] != 't')
	267	break;
	268	rest += 2;
	269	/* fallthrough */
	270	case '.':
	271	if (rest[1] == '\0' \|\| rest[1] == '/')
	272	return 0;
	273	}
	274	return 1;
	275	}
	276
e83c5163 LT	277	static int verify_path(char *path)
	278	{
	279	char c;
	280
	281	goto inside;
	282	for (;;) {
	283	if (!c)
	284	return 1;
	285	if (c == '/') {
	286	inside:
	287	c = *path++;
320d3a1b LT	288	switch (c) {
320d3a1b LT	289	default:
e83c5163	290	continue;
320d3a1b LT	291	case '/': case '\0':
	292	break;
	293	case '.':
	294	if (verify_dotfile(path))
	295	continue;
	296	}
e83c5163 LT	297	return 0;
	298	}
	299	c = *path++;
	300	}
	301	}
	302
9945d980 LT	303	static int add_cacheinfo(char arg1, char arg2, char *arg3)
9945d980 LT	304	{
192268c1	305	int size, len, option;
9945d980 LT	306	unsigned int mode;
	307	unsigned char sha1[20];
	308	struct cache_entry *ce;
	309
	310	if (sscanf(arg1, "%o", &mode) != 1)
	311	return -1;
9945d980 LT	312	if (get_sha1_hex(arg2, sha1))
9945d980 LT	313	return -1;
9945d980 LT	314	if (!verify_path(arg3))
9945d980 LT	315	return -1;
9945d980 LT	316
	317	len = strlen(arg3);
	318	size = cache_entry_size(len);
812666c8	319	ce = xmalloc(size);
9945d980 LT	320	memset(ce, 0, size);
	321
	322	memcpy(ce->sha1, sha1, 20);
	323	memcpy(ce->name, arg3, len);
f5cabd13	324	ce->ce_flags = htons(len);
e4479470	325	ce->ce_mode = create_ce_mode(mode);
192268c1 JH	326	option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
	327	option \|= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
	328	return add_cache_entry(ce, option);
9945d980 LT	329	}
9945d980 LT	330
e99d59ff	331	static struct cache_file cache_file;
f2a19340	332
e83c5163 LT	333	int main(int argc, char **argv)
e83c5163 LT	334	{
90535218	335	int i, newfd, entries, has_errors = 0;
121481ab	336	int allow_options = 1;
bb233d69	337
415e96c8	338	newfd = hold_index_file_for_update(&cache_file, get_index_file());
9614b8dc	339	if (newfd < 0)
2de381f9	340	die("unable to create new cachefile");
9614b8dc	341
e83c5163	342	entries = read_cache();
9614b8dc	343	if (entries < 0)
2de381f9	344	die("cache corrupted");
e83c5163	345
e83c5163 LT	346	for (i = 1 ; i < argc; i++) {
e83c5163 LT	347	char *path = argv[i];
121481ab LT	348
	349	if (allow_options && *path == '-') {
	350	if (!strcmp(path, "--")) {
	351	allow_options = 0;
	352	continue;
	353	}
	354	if (!strcmp(path, "--add")) {
	355	allow_add = 1;
	356	continue;
	357	}
192268c1 JH	358	if (!strcmp(path, "--replace")) {
	359	allow_replace = 1;
	360	continue;
	361	}
121481ab LT	362	if (!strcmp(path, "--remove")) {
	363	allow_remove = 1;
	364	continue;
	365	}
	366	if (!strcmp(path, "--refresh")) {
90535218	367	has_errors \|= refresh_cache();
121481ab LT	368	continue;
121481ab LT	369	}
9945d980	370	if (!strcmp(path, "--cacheinfo")) {
b3f94c4b	371	if (i+3 >= argc)
667bb59b	372	die("git-update-cache: --cacheinfo <mode> <sha1> <path>");
b3f94c4b	373	if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
667bb59b	374	die("git-update-cache: --cacheinfo cannot add %s", argv[i+3]);
9945d980 LT	375	i += 3;
	376	continue;
	377	}
0ff5bf7c JH	378	if (!strcmp(path, "--force-remove")) {
0ff5bf7c JH	379	if (argc <= i + 1)
667bb59b	380	die("git-update-cache: --force-remove <path>");
0ff5bf7c	381	if (remove_file_from_cache(argv[i+1]))
667bb59b	382	die("git-update-cache: --force-remove cannot remove %s", argv[i+1]);
0ff5bf7c JH	383	i++;
	384	continue;
	385	}
	386
c6e007b0 JB	387	if (!strcmp(path, "--ignore-missing")) {
	388	not_new = 1;
	389	continue;
	390	}
2de381f9	391	die("unknown option %s", path);
121481ab	392	}
e83c5163 LT	393	if (!verify_path(path)) {
	394	fprintf(stderr, "Ignoring path %s\n", argv[i]);
	395	continue;
	396	}
9614b8dc	397	if (add_file_to_cache(path))
2de381f9	398	die("Unable to add %s to database", path);
e83c5163	399	}
415e96c8 JH	400	if (write_cache(newfd, active_cache, active_nr) \|\|
415e96c8 JH	401	commit_index_file(&cache_file))
2de381f9	402	die("Unable to write new cachefile");
9614b8dc	403
c4b83e61	404	return has_errors ? 1 : 0;
e83c5163	405	}