[thirdparty/git.git] / builtin / ls-files.c

/*
 * This merges the file listing in the directory cache index
 * with the actual working directory list, and shows different
 * combinations of the two.
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.h"
#include "quote.h"
#include "dir.h"
#include "builtin.h"
#include "tree.h"
#include "parse-options.h"
#include "resolve-undo.h"
#include "string-list.h"

static int abbrev;
static int show_deleted;
static int show_cached;
static int show_others;
static int show_stage;
static int show_unmerged;
static int show_resolve_undo;
static int show_modified;
static int show_killed;
static int show_valid_bit;
static int line_terminator = '\n';
static int debug_mode;

static const char *prefix;
static int max_prefix_len;
static int prefix_len;
static const char **pathspec;
static int error_unmatch;
static char *ps_matched;
static const char *with_tree;
static int exc_given;

static const char *tag_cached = "";
static const char *tag_unmerged = "";
static const char *tag_removed = "";
static const char *tag_other = "";
static const char *tag_killed = "";
static const char *tag_modified = "";
static const char *tag_skip_worktree = "";
static const char *tag_resolve_undo = "";

static void write_name(const char* name, size_t len)
{
	write_name_quoted_relative(name, len, prefix, prefix_len, stdout,
			line_terminator);
}

static void show_dir_entry(const char *tag, struct dir_entry *ent)
{
	int len = max_prefix_len;

	if (len >= ent->len)
		die("git ls-files: internal error - directory entry not superset of prefix");

	if (!match_pathspec(pathspec, ent->name, ent->len, len, ps_matched))
		return;

	fputs(tag, stdout);
	write_name(ent->name, ent->len);
}

static void show_other_files(struct dir_struct *dir)
{
	int i;

	for (i = 0; i < dir->nr; i++) {
		struct dir_entry *ent = dir->entries[i];
		if (!cache_name_is_other(ent->name, ent->len))
			continue;
		show_dir_entry(tag_other, ent);
	}
}

static void show_killed_files(struct dir_struct *dir)
{
	int i;
	for (i = 0; i < dir->nr; i++) {
		struct dir_entry *ent = dir->entries[i];
		char *cp, *sp;
		int pos, len, killed = 0;

		for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
			sp = strchr(cp, '/');
			if (!sp) {
				/* If ent->name is prefix of an entry in the
				 * cache, it will be killed.
				 */
				pos = cache_name_pos(ent->name, ent->len);
				if (0 <= pos)
					die("bug in show-killed-files");
				pos = -pos - 1;
				while (pos < active_nr &&
				       ce_stage(active_cache[pos]))
					pos++; /* skip unmerged */
				if (active_nr <= pos)
					break;
				/* pos points at a name immediately after
				 * ent->name in the cache.  Does it expect
				 * ent->name to be a directory?
				 */
				len = ce_namelen(active_cache[pos]);
				if ((ent->len < len) &&
				    !strncmp(active_cache[pos]->name,
					     ent->name, ent->len) &&
				    active_cache[pos]->name[ent->len] == '/')
					killed = 1;
				break;
			}
			if (0 <= cache_name_pos(ent->name, sp - ent->name)) {
				/* If any of the leading directories in
				 * ent->name is registered in the cache,
				 * ent->name will be killed.
				 */
				killed = 1;
				break;
			}
		}
		if (killed)
			show_dir_entry(tag_killed, dir->entries[i]);
	}
}

static void show_ce_entry(const char *tag, struct cache_entry *ce)
{
	int len = max_prefix_len;

	if (len >= ce_namelen(ce))
		die("git ls-files: internal error - cache entry not superset of prefix");

	if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), len, ps_matched))
		return;

	if (tag && *tag && show_valid_bit &&
	    (ce->ce_flags & CE_VALID)) {
		static char alttag[4];
		memcpy(alttag, tag, 3);
		if (isalpha(tag[0]))
			alttag[0] = tolower(tag[0]);
		else if (tag[0] == '?')
			alttag[0] = '!';
		else {
			alttag[0] = 'v';
			alttag[1] = tag[0];
			alttag[2] = ' ';
			alttag[3] = 0;
		}
		tag = alttag;
	}

	if (!show_stage) {
		fputs(tag, stdout);
	} else {
		printf("%s%06o %s %d\t",
		       tag,
		       ce->ce_mode,
		       find_unique_abbrev(ce->sha1,abbrev),
		       ce_stage(ce));
	}
	write_name(ce->name, ce_namelen(ce));
	if (debug_mode) {
		printf("  ctime: %d:%d\n", ce->ce_ctime.sec, ce->ce_ctime.nsec);
		printf("  mtime: %d:%d\n", ce->ce_mtime.sec, ce->ce_mtime.nsec);
		printf("  dev: %d\tino: %d\n", ce->ce_dev, ce->ce_ino);
		printf("  uid: %d\tgid: %d\n", ce->ce_uid, ce->ce_gid);
		printf("  size: %d\tflags: %x\n", ce->ce_size, ce->ce_flags);
	}
}

static void show_ru_info(void)
{
	struct string_list_item *item;

	if (!the_index.resolve_undo)
		return;

	for_each_string_list_item(item, the_index.resolve_undo) {
		const char *path = item->string;
		struct resolve_undo_info *ui = item->util;
		int i, len;

		len = strlen(path);
		if (len < max_prefix_len)
			continue; /* outside of the prefix */
		if (!match_pathspec(pathspec, path, len, max_prefix_len, ps_matched))
			continue; /* uninterested */
		for (i = 0; i < 3; i++) {
			if (!ui->mode[i])
				continue;
			printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
			       find_unique_abbrev(ui->sha1[i], abbrev),
			       i + 1);
			write_name(path, len);
		}
	}
}

static void show_files(struct dir_struct *dir)
{
	int i;

	/* For cached/deleted files we don't need to even do the readdir */
	if (show_others || show_killed) {
		fill_directory(dir, pathspec);
		if (show_others)
			show_other_files(dir);
		if (show_killed)
			show_killed_files(dir);
	}
	if (show_cached | show_stage) {
		for (i = 0; i < active_nr; i++) {
			struct cache_entry *ce = active_cache[i];
			int dtype = ce_to_dtype(ce);
			if (dir->flags & DIR_SHOW_IGNORED &&
			    !excluded(dir, ce->name, &dtype))
				continue;
			if (show_unmerged && !ce_stage(ce))
				continue;
			if (ce->ce_flags & CE_UPDATE)
				continue;
			show_ce_entry(ce_stage(ce) ? tag_unmerged :
				(ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
		}
	}
	if (show_deleted | show_modified) {
		for (i = 0; i < active_nr; i++) {
			struct cache_entry *ce = active_cache[i];
			struct stat st;
			int err;
			int dtype = ce_to_dtype(ce);
			if (dir->flags & DIR_SHOW_IGNORED &&
			    !excluded(dir, ce->name, &dtype))
				continue;
			if (ce->ce_flags & CE_UPDATE)
				continue;
			if (ce_skip_worktree(ce))
				continue;
			err = lstat(ce->name, &st);
			if (show_deleted && err)
				show_ce_entry(tag_removed, ce);
			if (show_modified && ce_modified(ce, &st, 0))
				show_ce_entry(tag_modified, ce);
		}
	}
}

/*
 * Prune the index to only contain stuff starting with "prefix"
 */
static void prune_cache(const char *prefix)
{
	int pos = cache_name_pos(prefix, max_prefix_len);
	unsigned int first, last;

	if (pos < 0)
		pos = -pos-1;
	memmove(active_cache, active_cache + pos,
		(active_nr - pos) * sizeof(struct cache_entry *));
	active_nr -= pos;
	first = 0;
	last = active_nr;
	while (last > first) {
		int next = (last + first) >> 1;
		struct cache_entry *ce = active_cache[next];
		if (!strncmp(ce->name, prefix, max_prefix_len)) {
			first = next+1;
			continue;
		}
		last = next;
	}
	active_nr = last;
}

static void strip_trailing_slash_from_submodules(void)
{
	const char **p;

	for (p = pathspec; *p != NULL; p++) {
		int len = strlen(*p), pos;

		if (len < 1 || (*p)[len - 1] != '/')
			continue;
		pos = cache_name_pos(*p, len - 1);
		if (pos >= 0 && S_ISGITLINK(active_cache[pos]->ce_mode))
			*p = xstrndup(*p, len - 1);
	}
}

/*
 * Read the tree specified with --with-tree option
 * (typically, HEAD) into stage #1 and then
 * squash them down to stage #0.  This is used for
 * --error-unmatch to list and check the path patterns
 * that were given from the command line.  We are not
 * going to write this index out.
 */
void overlay_tree_on_cache(const char *tree_name, const char *prefix)
{
	struct tree *tree;
	unsigned char sha1[20];
	struct pathspec pathspec;
	struct cache_entry *last_stage0 = NULL;
	int i;

	if (get_sha1(tree_name, sha1))
		die("tree-ish %s not found.", tree_name);
	tree = parse_tree_indirect(sha1);
	if (!tree)
		die("bad tree-ish %s", tree_name);

	/* Hoist the unmerged entries up to stage #3 to make room */
	for (i = 0; i < active_nr; i++) {
		struct cache_entry *ce = active_cache[i];
		if (!ce_stage(ce))
			continue;
		ce->ce_flags |= CE_STAGEMASK;
	}

	if (prefix) {
		static const char *(matchbuf[2]);
		matchbuf[0] = prefix;
		matchbuf[1] = NULL;
		init_pathspec(&pathspec, matchbuf);
		pathspec.items[0].use_wildcard = 0;
	} else
		init_pathspec(&pathspec, NULL);
	if (read_tree(tree, 1, &pathspec))
		die("unable to read tree entries %s", tree_name);

	for (i = 0; i < active_nr; i++) {
		struct cache_entry *ce = active_cache[i];
		switch (ce_stage(ce)) {
		case 0:
			last_stage0 = ce;
			/* fallthru */
		default:
			continue;
		case 1:
			/*
			 * If there is stage #0 entry for this, we do not
			 * need to show it.  We use CE_UPDATE bit to mark
			 * such an entry.
			 */
			if (last_stage0 &&
			    !strcmp(last_stage0->name, ce->name))
				ce->ce_flags |= CE_UPDATE;
		}
	}
}

int report_path_error(const char *ps_matched, const char **pathspec, int prefix_len)
{
	/*
	 * Make sure all pathspec matched; otherwise it is an error.
	 */
	int num, errors = 0;
	for (num = 0; pathspec[num]; num++) {
		int other, found_dup;

		if (ps_matched[num])
			continue;
		/*
		 * The caller might have fed identical pathspec
		 * twice.  Do not barf on such a mistake.
		 */
		for (found_dup = other = 0;
		     !found_dup && pathspec[other];
		     other++) {
			if (other == num || !ps_matched[other])
				continue;
			if (!strcmp(pathspec[other], pathspec[num]))
				/*
				 * Ok, we have a match already.
				 */
				found_dup = 1;
		}
		if (found_dup)
			continue;

		error("pathspec '%s' did not match any file(s) known to git.",
		      pathspec[num] + prefix_len);
		errors++;
	}
	return errors;
}

static const char * const ls_files_usage[] = {
	"git ls-files [options] [<file>...]",
	NULL
};

static int option_parse_z(const struct option *opt,
			  const char *arg, int unset)
{
	line_terminator = unset ? '\n' : '\0';

	return 0;
}

static int option_parse_exclude(const struct option *opt,
				const char *arg, int unset)
{
	struct exclude_list *list = opt->value;

	exc_given = 1;
	add_exclude(arg, "", 0, list);

	return 0;
}

static int option_parse_exclude_from(const struct option *opt,
				     const char *arg, int unset)
{
	struct dir_struct *dir = opt->value;

	exc_given = 1;
	add_excludes_from_file(dir, arg);

	return 0;
}

static int option_parse_exclude_standard(const struct option *opt,
					 const char *arg, int unset)
{
	struct dir_struct *dir = opt->value;

	exc_given = 1;
	setup_standard_excludes(dir);

	return 0;
}

int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
{
	int require_work_tree = 0, show_tag = 0;
	const char *max_prefix;
	struct dir_struct dir;
	struct option builtin_ls_files_options[] = {
		{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
			"paths are separated with NUL character",
			PARSE_OPT_NOARG, option_parse_z },
		OPT_BOOLEAN('t', NULL, &show_tag,
			"identify the file status with tags"),
		OPT_BOOLEAN('v', NULL, &show_valid_bit,
			"use lowercase letters for 'assume unchanged' files"),
		OPT_BOOLEAN('c', "cached", &show_cached,
			"show cached files in the output (default)"),
		OPT_BOOLEAN('d', "deleted", &show_deleted,
			"show deleted files in the output"),
		OPT_BOOLEAN('m', "modified", &show_modified,
			"show modified files in the output"),
		OPT_BOOLEAN('o', "others", &show_others,
			"show other files in the output"),
		OPT_BIT('i', "ignored", &dir.flags,
			"show ignored files in the output",
			DIR_SHOW_IGNORED),
		OPT_BOOLEAN('s', "stage", &show_stage,
			"show staged contents' object name in the output"),
		OPT_BOOLEAN('k', "killed", &show_killed,
			"show files on the filesystem that need to be removed"),
		OPT_BIT(0, "directory", &dir.flags,
			"show 'other' directories' name only",
			DIR_SHOW_OTHER_DIRECTORIES),
		OPT_NEGBIT(0, "empty-directory", &dir.flags,
			"don't show empty directories",
			DIR_HIDE_EMPTY_DIRECTORIES),
		OPT_BOOLEAN('u', "unmerged", &show_unmerged,
			"show unmerged files in the output"),
		OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo,
			    "show resolve-undo information"),
		{ OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern",
			"skip files matching pattern",
			0, option_parse_exclude },
		{ OPTION_CALLBACK, 'X', "exclude-from", &dir, "file",
			"exclude patterns are read from <file>",
			0, option_parse_exclude_from },
		OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file",
			"read additional per-directory exclude patterns in <file>"),
		{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
			"add the standard git exclusions",
			PARSE_OPT_NOARG, option_parse_exclude_standard },
		{ OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
			"make the output relative to the project top directory",
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
		OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
			"if any <file> is not in the index, treat this as an error"),
		OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
			"pretend that paths removed since <tree-ish> are still present"),
		OPT__ABBREV(&abbrev),
		OPT_BOOLEAN(0, "debug", &debug_mode, "show debugging data"),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(ls_files_usage, builtin_ls_files_options);

	memset(&dir, 0, sizeof(dir));
	prefix = cmd_prefix;
	if (prefix)
		prefix_len = strlen(prefix);
	git_config(git_default_config, NULL);

	if (read_cache() < 0)
		die("index file corrupt");

	argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
			ls_files_usage, 0);
	if (show_tag || show_valid_bit) {
		tag_cached = "H ";
		tag_unmerged = "M ";
		tag_removed = "R ";
		tag_modified = "C ";
		tag_other = "? ";
		tag_killed = "K ";
		tag_skip_worktree = "S ";
		tag_resolve_undo = "U ";
	}
	if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
		require_work_tree = 1;
	if (show_unmerged)
		/*
		 * There's no point in showing unmerged unless
		 * you also show the stage information.
		 */
		show_stage = 1;
	if (dir.exclude_per_dir)
		exc_given = 1;

	if (require_work_tree && !is_inside_work_tree())
		setup_work_tree();

	pathspec = get_pathspec(prefix, argv);

	/* be nice with submodule paths ending in a slash */
	if (pathspec)
		strip_trailing_slash_from_submodules();

	/* Find common prefix for all pathspec's */
	max_prefix = common_prefix(pathspec);
	max_prefix_len = max_prefix ? strlen(max_prefix) : 0;

	/* Treat unmatching pathspec elements as errors */
	if (pathspec && error_unmatch) {
		int num;
		for (num = 0; pathspec[num]; num++)
			;
		ps_matched = xcalloc(1, num);
	}

	if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
		die("ls-files --ignored needs some exclude pattern");

	/* With no flags, we default to showing the cached files */
	if (!(show_stage | show_deleted | show_others | show_unmerged |
	      show_killed | show_modified | show_resolve_undo))
		show_cached = 1;

	if (max_prefix)
		prune_cache(max_prefix);
	if (with_tree) {
		/*
		 * Basic sanity check; show-stages and show-unmerged
		 * would not make any sense with this option.
		 */
		if (show_stage || show_unmerged)
			die("ls-files --with-tree is incompatible with -s or -u");
		overlay_tree_on_cache(with_tree, max_prefix);
	}
	show_files(&dir);
	if (show_resolve_undo)
		show_ru_info();

	if (ps_matched) {
		int bad;
		bad = report_path_error(ps_matched, pathspec, prefix_len);
		if (bad)
			fprintf(stderr, "Did you forget to 'git add'?\n");

		return bad ? 1 : 0;
	}

	return 0;
}
Commit	Line	Data
8695c8bf LT	1	/*
	2	* This merges the file listing in the directory cache index
	3	* with the actual working directory list, and shows different
	4	* combinations of the two.
	5	*
	6	* Copyright (C) Linus Torvalds, 2005
	7	*/
8695c8bf	8	#include "cache.h"
22ddf719	9	#include "quote.h"
453ec4bd	10	#include "dir.h"
0864f264	11	#include "builtin.h"
64586e75	12	#include "tree.h"
ce8e8804	13	#include "parse-options.h"
9d9a2f4a JH	14	#include "resolve-undo.h"
9d9a2f4a JH	15	#include "string-list.h"
8695c8bf	16
96f1e58f DR	17	static int abbrev;
	18	static int show_deleted;
	19	static int show_cached;
	20	static int show_others;
	21	static int show_stage;
	22	static int show_unmerged;
9d9a2f4a	23	static int show_resolve_undo;
96f1e58f DR	24	static int show_modified;
	25	static int show_killed;
	26	static int show_valid_bit;
b83c8345	27	static int line_terminator = '\n';
84974217	28	static int debug_mode;
8695c8bf	29
efad1a56 CB	30	static const char *prefix;
efad1a56 CB	31	static int max_prefix_len;
96f1e58f	32	static int prefix_len;
96f1e58f DR	33	static const char **pathspec;
	34	static int error_unmatch;
	35	static char *ps_matched;
64586e75	36	static const char *with_tree;
ce8e8804	37	static int exc_given;
5be4efbe	38
20d37ef6 PB	39	static const char *tag_cached = "";
	40	static const char *tag_unmerged = "";
	41	static const char *tag_removed = "";
	42	static const char *tag_other = "";
6ca45943	43	static const char *tag_killed = "";
b0391890	44	static const char *tag_modified = "";
44a36913	45	static const char *tag_skip_worktree = "";
9d9a2f4a	46	static const char *tag_resolve_undo = "";
20d37ef6	47
efad1a56 CB	48	static void write_name(const char* name, size_t len)
	49	{
	50	write_name_quoted_relative(name, len, prefix, prefix_len, stdout,
	51	line_terminator);
	52	}
	53
453ec4bd	54	static void show_dir_entry(const char tag, struct dir_entry ent)
5be4efbe	55	{
efad1a56	56	int len = max_prefix_len;
5be4efbe LT	57
5be4efbe LT	58	if (len >= ent->len)
7e44c935	59	die("git ls-files: internal error - directory entry not superset of prefix");
5be4efbe	60
0b50922a	61	if (!match_pathspec(pathspec, ent->name, ent->len, len, ps_matched))
5be4efbe LT	62	return;
5be4efbe LT	63
22ddf719	64	fputs(tag, stdout);
efad1a56	65	write_name(ent->name, ent->len);
5be4efbe LT	66	}
5be4efbe LT	67
453ec4bd	68	static void show_other_files(struct dir_struct *dir)
fcbc3083 JH	69	{
fcbc3083 JH	70	int i;
5698454e	71
453ec4bd	72	for (i = 0; i < dir->nr; i++) {
453ec4bd	73	struct dir_entry *ent = dir->entries[i];
98fa4738 JK	74	if (!cache_name_is_other(ent->name, ent->len))
98fa4738 JK	75	continue;
fcbc3083 JH	76	show_dir_entry(tag_other, ent);
	77	}
	78	}
	79
453ec4bd	80	static void show_killed_files(struct dir_struct *dir)
6ca45943 JH	81	{
6ca45943 JH	82	int i;
453ec4bd LT	83	for (i = 0; i < dir->nr; i++) {
453ec4bd LT	84	struct dir_entry *ent = dir->entries[i];
6ca45943 JH	85	char cp, sp;
	86	int pos, len, killed = 0;
	87
	88	for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
	89	sp = strchr(cp, '/');
	90	if (!sp) {
	91	/* If ent->name is prefix of an entry in the
	92	* cache, it will be killed.
	93	*/
	94	pos = cache_name_pos(ent->name, ent->len);
	95	if (0 <= pos)
	96	die("bug in show-killed-files");
	97	pos = -pos - 1;
	98	while (pos < active_nr &&
	99	ce_stage(active_cache[pos]))
	100	pos++; /* skip unmerged */
	101	if (active_nr <= pos)
	102	break;
	103	/* pos points at a name immediately after
	104	* ent->name in the cache. Does it expect
	105	* ent->name to be a directory?
	106	*/
	107	len = ce_namelen(active_cache[pos]);
	108	if ((ent->len < len) &&
	109	!strncmp(active_cache[pos]->name,
	110	ent->name, ent->len) &&
	111	active_cache[pos]->name[ent->len] == '/')
	112	killed = 1;
	113	break;
	114	}
	115	if (0 <= cache_name_pos(ent->name, sp - ent->name)) {
	116	/* If any of the leading directories in
	117	* ent->name is registered in the cache,
	118	* ent->name will be killed.
	119	*/
	120	killed = 1;
	121	break;
	122	}
	123	}
	124	if (killed)
453ec4bd	125	show_dir_entry(tag_killed, dir->entries[i]);
6ca45943	126	}
8695c8bf LT	127	}
8695c8bf LT	128
5be4efbe LT	129	static void show_ce_entry(const char tag, struct cache_entry ce)
5be4efbe LT	130	{
efad1a56	131	int len = max_prefix_len;
5be4efbe LT	132
5be4efbe LT	133	if (len >= ce_namelen(ce))
7e44c935	134	die("git ls-files: internal error - cache entry not superset of prefix");
5be4efbe	135
0b50922a	136	if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), len, ps_matched))
5be4efbe LT	137	return;
5be4efbe LT	138
8bb2e03b	139	if (tag && *tag && show_valid_bit &&
7a51ed66	140	(ce->ce_flags & CE_VALID)) {
2bcab240 JH	141	static char alttag[4];
	142	memcpy(alttag, tag, 3);
	143	if (isalpha(tag[0]))
	144	alttag[0] = tolower(tag[0]);
	145	else if (tag[0] == '?')
	146	alttag[0] = '!';
	147	else {
	148	alttag[0] = 'v';
	149	alttag[1] = tag[0];
	150	alttag[2] = ' ';
	151	alttag[3] = 0;
	152	}
	153	tag = alttag;
	154	}
	155
22ddf719 JH	156	if (!show_stage) {
22ddf719 JH	157	fputs(tag, stdout);
663af342	158	} else {
22ddf719	159	printf("%s%06o %s %d\t",
5be4efbe	160	tag,
7a51ed66	161	ce->ce_mode,
531e758d	162	find_unique_abbrev(ce->sha1,abbrev),
22ddf719	163	ce_stage(ce));
22ddf719	164	}
efad1a56	165	write_name(ce->name, ce_namelen(ce));
84974217 TR	166	if (debug_mode) {
	167	printf(" ctime: %d:%d\n", ce->ce_ctime.sec, ce->ce_ctime.nsec);
	168	printf(" mtime: %d:%d\n", ce->ce_mtime.sec, ce->ce_mtime.nsec);
	169	printf(" dev: %d\tino: %d\n", ce->ce_dev, ce->ce_ino);
	170	printf(" uid: %d\tgid: %d\n", ce->ce_uid, ce->ce_gid);
	171	printf(" size: %d\tflags: %x\n", ce->ce_size, ce->ce_flags);
	172	}
5be4efbe LT	173	}
5be4efbe LT	174
efad1a56	175	static void show_ru_info(void)
9d9a2f4a	176	{
8a57c6e9 AR	177	struct string_list_item *item;
8a57c6e9 AR	178
9d9a2f4a JH	179	if (!the_index.resolve_undo)
9d9a2f4a JH	180	return;
8a57c6e9 AR	181
	182	for_each_string_list_item(item, the_index.resolve_undo) {
	183	const char *path = item->string;
	184	struct resolve_undo_info *ui = item->util;
	185	int i, len;
	186
	187	len = strlen(path);
	188	if (len < max_prefix_len)
	189	continue; /* outside of the prefix */
	190	if (!match_pathspec(pathspec, path, len, max_prefix_len, ps_matched))
	191	continue; /* uninterested */
	192	for (i = 0; i < 3; i++) {
	193	if (!ui->mode[i])
	194	continue;
	195	printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
	196	find_unique_abbrev(ui->sha1[i], abbrev),
	197	i + 1);
	198	write_name(path, len);
	199	}
	200	}
9d9a2f4a JH	201	}
9d9a2f4a JH	202
efad1a56	203	static void show_files(struct dir_struct *dir)
8695c8bf LT	204	{
	205	int i;
	206
	207	/* For cached/deleted files we don't need to even do the readdir */
6ca45943	208	if (show_others \|\| show_killed) {
1d8842d9	209	fill_directory(dir, pathspec);
6ca45943	210	if (show_others)
453ec4bd	211	show_other_files(dir);
6ca45943	212	if (show_killed)
453ec4bd	213	show_killed_files(dir);
8695c8bf	214	}
aee46198	215	if (show_cached \| show_stage) {
8695c8bf LT	216	for (i = 0; i < active_nr; i++) {
8695c8bf LT	217	struct cache_entry *ce = active_cache[i];
500348aa JK	218	int dtype = ce_to_dtype(ce);
	219	if (dir->flags & DIR_SHOW_IGNORED &&
	220	!excluded(dir, ce->name, &dtype))
	221	continue;
eec8c633 LT	222	if (show_unmerged && !ce_stage(ce))
eec8c633 LT	223	continue;
7a51ed66	224	if (ce->ce_flags & CE_UPDATE)
64586e75	225	continue;
44a36913 NTND	226	show_ce_entry(ce_stage(ce) ? tag_unmerged :
44a36913 NTND	227	(ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
8695c8bf LT	228	}
8695c8bf LT	229	}
b0391890	230	if (show_deleted \| show_modified) {
8695c8bf LT	231	for (i = 0; i < active_nr; i++) {
	232	struct cache_entry *ce = active_cache[i];
	233	struct stat st;
b0391890	234	int err;
500348aa JK	235	int dtype = ce_to_dtype(ce);
	236	if (dir->flags & DIR_SHOW_IGNORED &&
	237	!excluded(dir, ce->name, &dtype))
	238	continue;
4b4e26d2 JH	239	if (ce->ce_flags & CE_UPDATE)
4b4e26d2 JH	240	continue;
b4d1690d NTND	241	if (ce_skip_worktree(ce))
b4d1690d NTND	242	continue;
b0391890 JH	243	err = lstat(ce->name, &st);
	244	if (show_deleted && err)
	245	show_ce_entry(tag_removed, ce);
2bcab240	246	if (show_modified && ce_modified(ce, &st, 0))
b0391890	247	show_ce_entry(tag_modified, ce);
5be4efbe LT	248	}
	249	}
	250	}
	251
	252	/*
	253	* Prune the index to only contain stuff starting with "prefix"
	254	*/
3e04228b	255	static void prune_cache(const char *prefix)
5be4efbe	256	{
efad1a56	257	int pos = cache_name_pos(prefix, max_prefix_len);
5be4efbe LT	258	unsigned int first, last;
	259
	260	if (pos < 0)
	261	pos = -pos-1;
95af39fc KP	262	memmove(active_cache, active_cache + pos,
95af39fc KP	263	(active_nr - pos) * sizeof(struct cache_entry *));
5be4efbe LT	264	active_nr -= pos;
	265	first = 0;
	266	last = active_nr;
	267	while (last > first) {
	268	int next = (last + first) >> 1;
	269	struct cache_entry *ce = active_cache[next];
efad1a56	270	if (!strncmp(ce->name, prefix, max_prefix_len)) {
5be4efbe LT	271	first = next+1;
5be4efbe LT	272	continue;
8695c8bf	273	}
5be4efbe LT	274	last = next;
	275	}
	276	active_nr = last;
	277	}
	278
f3670a57 JS	279	static void strip_trailing_slash_from_submodules(void)
	280	{
	281	const char **p;
	282
	283	for (p = pathspec; *p != NULL; p++) {
	284	int len = strlen(*p), pos;
	285
	286	if (len < 1 \|\| (*p)[len - 1] != '/')
	287	continue;
	288	pos = cache_name_pos(*p, len - 1);
	289	if (pos >= 0 && S_ISGITLINK(active_cache[pos]->ce_mode))
	290	p = xstrndup(p, len - 1);
	291	}
	292	}
	293
64586e75 JH	294	/*
	295	* Read the tree specified with --with-tree option
	296	* (typically, HEAD) into stage #1 and then
	297	* squash them down to stage #0. This is used for
	298	* --error-unmatch to list and check the path patterns
	299	* that were given from the command line. We are not
	300	* going to write this index out.
	301	*/
ee425e46	302	void overlay_tree_on_cache(const char tree_name, const char prefix)
64586e75 JH	303	{
	304	struct tree *tree;
	305	unsigned char sha1[20];
f0096c06	306	struct pathspec pathspec;
64586e75 JH	307	struct cache_entry *last_stage0 = NULL;
	308	int i;
	309
	310	if (get_sha1(tree_name, sha1))
	311	die("tree-ish %s not found.", tree_name);
	312	tree = parse_tree_indirect(sha1);
	313	if (!tree)
	314	die("bad tree-ish %s", tree_name);
	315
	316	/* Hoist the unmerged entries up to stage #3 to make room */
	317	for (i = 0; i < active_nr; i++) {
	318	struct cache_entry *ce = active_cache[i];
	319	if (!ce_stage(ce))
	320	continue;
7a51ed66	321	ce->ce_flags \|= CE_STAGEMASK;
64586e75 JH	322	}
	323
	324	if (prefix) {
	325	static const char *(matchbuf[2]);
	326	matchbuf[0] = prefix;
07e77e40	327	matchbuf[1] = NULL;
f0096c06	328	init_pathspec(&pathspec, matchbuf);
33e0f62b	329	pathspec.items[0].use_wildcard = 0;
64586e75	330	} else
f0096c06 NTND	331	init_pathspec(&pathspec, NULL);
f0096c06 NTND	332	if (read_tree(tree, 1, &pathspec))
64586e75 JH	333	die("unable to read tree entries %s", tree_name);
	334
	335	for (i = 0; i < active_nr; i++) {
	336	struct cache_entry *ce = active_cache[i];
	337	switch (ce_stage(ce)) {
	338	case 0:
	339	last_stage0 = ce;
	340	/* fallthru */
	341	default:
	342	continue;
	343	case 1:
	344	/*
	345	* If there is stage #0 entry for this, we do not
	346	* need to show it. We use CE_UPDATE bit to mark
	347	* such an entry.
	348	*/
	349	if (last_stage0 &&
	350	!strcmp(last_stage0->name, ce->name))
7a51ed66	351	ce->ce_flags \|= CE_UPDATE;
64586e75 JH	352	}
	353	}
	354	}
	355
efad1a56	356	int report_path_error(const char ps_matched, const char *pathspec, int prefix_len)
ee425e46 JH	357	{
	358	/*
	359	* Make sure all pathspec matched; otherwise it is an error.
	360	*/
	361	int num, errors = 0;
	362	for (num = 0; pathspec[num]; num++) {
	363	int other, found_dup;
	364
	365	if (ps_matched[num])
	366	continue;
	367	/*
	368	* The caller might have fed identical pathspec
	369	* twice. Do not barf on such a mistake.
	370	*/
	371	for (found_dup = other = 0;
	372	!found_dup && pathspec[other];
	373	other++) {
	374	if (other == num \|\| !ps_matched[other])
	375	continue;
	376	if (!strcmp(pathspec[other], pathspec[num]))
	377	/*
	378	* Ok, we have a match already.
	379	*/
	380	found_dup = 1;
	381	}
	382	if (found_dup)
	383	continue;
	384
	385	error("pathspec '%s' did not match any file(s) known to git.",
efad1a56	386	pathspec[num] + prefix_len);
ee425e46 JH	387	errors++;
	388	}
	389	return errors;
	390	}
	391
ce8e8804	392	static const char * const ls_files_usage[] = {
0adda936	393	"git ls-files [options] [<file>...]",
ce8e8804 MV	394	NULL
	395	};
	396
	397	static int option_parse_z(const struct option *opt,
	398	const char *arg, int unset)
	399	{
	400	line_terminator = unset ? '\n' : '\0';
	401
	402	return 0;
	403	}
	404
	405	static int option_parse_exclude(const struct option *opt,
	406	const char *arg, int unset)
	407	{
	408	struct exclude_list *list = opt->value;
	409
	410	exc_given = 1;
	411	add_exclude(arg, "", 0, list);
	412
	413	return 0;
	414	}
	415
	416	static int option_parse_exclude_from(const struct option *opt,
	417	const char *arg, int unset)
	418	{
	419	struct dir_struct *dir = opt->value;
	420
	421	exc_given = 1;
	422	add_excludes_from_file(dir, arg);
	423
	424	return 0;
	425	}
	426
	427	static int option_parse_exclude_standard(const struct option *opt,
	428	const char *arg, int unset)
	429	{
	430	struct dir_struct *dir = opt->value;
	431
	432	exc_given = 1;
	433	setup_standard_excludes(dir);
	434
	435	return 0;
	436	}
cf9a113d	437
efad1a56	438	int cmd_ls_files(int argc, const char *argv, const char cmd_prefix)
8695c8bf	439	{
ce8e8804	440	int require_work_tree = 0, show_tag = 0;
efad1a56	441	const char *max_prefix;
453ec4bd	442	struct dir_struct dir;
ce8e8804 MV	443	struct option builtin_ls_files_options[] = {
	444	{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
	445	"paths are separated with NUL character",
	446	PARSE_OPT_NOARG, option_parse_z },
	447	OPT_BOOLEAN('t', NULL, &show_tag,
	448	"identify the file status with tags"),
	449	OPT_BOOLEAN('v', NULL, &show_valid_bit,
	450	"use lowercase letters for 'assume unchanged' files"),
	451	OPT_BOOLEAN('c', "cached", &show_cached,
	452	"show cached files in the output (default)"),
	453	OPT_BOOLEAN('d', "deleted", &show_deleted,
	454	"show deleted files in the output"),
	455	OPT_BOOLEAN('m', "modified", &show_modified,
	456	"show modified files in the output"),
	457	OPT_BOOLEAN('o', "others", &show_others,
	458	"show other files in the output"),
	459	OPT_BIT('i', "ignored", &dir.flags,
	460	"show ignored files in the output",
	461	DIR_SHOW_IGNORED),
	462	OPT_BOOLEAN('s', "stage", &show_stage,
	463	"show staged contents' object name in the output"),
	464	OPT_BOOLEAN('k', "killed", &show_killed,
	465	"show files on the filesystem that need to be removed"),
	466	OPT_BIT(0, "directory", &dir.flags,
	467	"show 'other' directories' name only",
	468	DIR_SHOW_OTHER_DIRECTORIES),
e9008b9a	469	OPT_NEGBIT(0, "empty-directory", &dir.flags,
2fb6d6d6	470	"don't show empty directories",
ce8e8804 MV	471	DIR_HIDE_EMPTY_DIRECTORIES),
	472	OPT_BOOLEAN('u', "unmerged", &show_unmerged,
	473	"show unmerged files in the output"),
9d9a2f4a JH	474	OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo,
9d9a2f4a JH	475	"show resolve-undo information"),
ce8e8804 MV	476	{ OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern",
	477	"skip files matching pattern",
	478	0, option_parse_exclude },
	479	{ OPTION_CALLBACK, 'X', "exclude-from", &dir, "file",
	480	"exclude patterns are read from <file>",
	481	0, option_parse_exclude_from },
	482	OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file",
	483	"read additional per-directory exclude patterns in <file>"),
	484	{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
	485	"add the standard git exclusions",
	486	PARSE_OPT_NOARG, option_parse_exclude_standard },
efad1a56	487	{ OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
ce8e8804 MV	488	"make the output relative to the project top directory",
	489	PARSE_OPT_NOARG \| PARSE_OPT_NONEG, NULL },
	490	OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
	491	"if any <file> is not in the index, treat this as an error"),
	492	OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
	493	"pretend that paths removed since <tree-ish> are still present"),
	494	OPT__ABBREV(&abbrev),
84974217	495	OPT_BOOLEAN(0, "debug", &debug_mode, "show debugging data"),
ce8e8804 MV	496	OPT_END()
ce8e8804 MV	497	};
8695c8bf	498
cbb3167e NTND	499	if (argc == 2 && !strcmp(argv[1], "-h"))
	500	usage_with_options(ls_files_usage, builtin_ls_files_options);
	501
453ec4bd	502	memset(&dir, 0, sizeof(dir));
efad1a56	503	prefix = cmd_prefix;
5be4efbe	504	if (prefix)
efad1a56	505	prefix_len = strlen(prefix);
ef90d6d4	506	git_config(git_default_config, NULL);
5be4efbe	507
c28b3d6e NTND	508	if (read_cache() < 0)
	509	die("index file corrupt");
	510
37782920	511	argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
ce8e8804 MV	512	ls_files_usage, 0);
	513	if (show_tag \|\| show_valid_bit) {
	514	tag_cached = "H ";
	515	tag_unmerged = "M ";
	516	tag_removed = "R ";
	517	tag_modified = "C ";
	518	tag_other = "? ";
	519	tag_killed = "K ";
44a36913	520	tag_skip_worktree = "S ";
9d9a2f4a	521	tag_resolve_undo = "U ";
9ff768e9	522	}
de2e3b04	523	if (show_modified \|\| show_others \|\| show_deleted \|\| (dir.flags & DIR_SHOW_IGNORED) \|\| show_killed)
ce8e8804 MV	524	require_work_tree = 1;
	525	if (show_unmerged)
	526	/*
	527	* There's no point in showing unmerged unless
	528	* you also show the stage information.
	529	*/
	530	show_stage = 1;
	531	if (dir.exclude_per_dir)
	532	exc_given = 1;
9ff768e9	533
7d8ae932 MH	534	if (require_work_tree && !is_inside_work_tree())
7d8ae932 MH	535	setup_work_tree();
6d9ba67b	536
ce8e8804	537	pathspec = get_pathspec(prefix, argv);
56fc5108	538
3ea3c215	539	/* be nice with submodule paths ending in a slash */
f3670a57 JS	540	if (pathspec)
	541	strip_trailing_slash_from_submodules();
	542
efad1a56	543	/* Find common prefix for all pathspec's */
f950eb95	544	max_prefix = common_prefix(pathspec);
8894d535	545	max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
5be4efbe	546
bba319b5 JH	547	/* Treat unmatching pathspec elements as errors */
	548	if (pathspec && error_unmatch) {
	549	int num;
	550	for (num = 0; pathspec[num]; num++)
	551	;
	552	ps_matched = xcalloc(1, num);
	553	}
	554
ac78b009 BW	555	if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
ac78b009 BW	556	die("ls-files --ignored needs some exclude pattern");
8695c8bf LT	557
8695c8bf LT	558	/* With no flags, we default to showing the cached files */
b0391890	559	if (!(show_stage \| show_deleted \| show_others \| show_unmerged \|
9d9a2f4a	560	show_killed \| show_modified \| show_resolve_undo))
8695c8bf LT	561	show_cached = 1;
8695c8bf LT	562
efad1a56 CB	563	if (max_prefix)
efad1a56 CB	564	prune_cache(max_prefix);
64586e75 JH	565	if (with_tree) {
	566	/*
	567	* Basic sanity check; show-stages and show-unmerged
	568	* would not make any sense with this option.
	569	*/
	570	if (show_stage \|\| show_unmerged)
	571	die("ls-files --with-tree is incompatible with -s or -u");
efad1a56	572	overlay_tree_on_cache(with_tree, max_prefix);
64586e75	573	}
efad1a56	574	show_files(&dir);
9d9a2f4a	575	if (show_resolve_undo)
efad1a56	576	show_ru_info();
bba319b5 JH	577
bba319b5 JH	578	if (ps_matched) {
ee425e46	579	int bad;
efad1a56	580	bad = report_path_error(ps_matched, pathspec, prefix_len);
ee425e46	581	if (bad)
ced7b828 AE	582	fprintf(stderr, "Did you forget to 'git add'?\n");
ced7b828 AE	583
ee425e46	584	return bad ? 1 : 0;
bba319b5 JH	585	}
bba319b5 JH	586
8695c8bf LT	587	return 0;
8695c8bf LT	588	}