commit.c 40.3 KB
Newer Older
Kristian Høgsberg's avatar
Kristian Høgsberg committed
1 2 3 4 5 6 7 8 9
/*
 * Builtin "git commit"
 *
 * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>
 * Based on git-commit.sh by Junio C Hamano and Linus Torvalds
 */

#include "cache.h"
#include "cache-tree.h"
10
#include "color.h"
11
#include "dir.h"
Kristian Høgsberg's avatar
Kristian Høgsberg committed
12 13 14 15 16 17 18 19 20 21 22 23
#include "builtin.h"
#include "diff.h"
#include "diffcore.h"
#include "commit.h"
#include "revision.h"
#include "wt-status.h"
#include "run-command.h"
#include "refs.h"
#include "log-tree.h"
#include "strbuf.h"
#include "utf8.h"
#include "parse-options.h"
24
#include "string-list.h"
25
#include "rerere.h"
26
#include "unpack-trees.h"
27
#include "quote.h"
28
#include "submodule.h"
Kristian Høgsberg's avatar
Kristian Høgsberg committed
29 30

static const char * const builtin_commit_usage[] = {
Stephan Beyer's avatar
Stephan Beyer committed
31
	"git commit [options] [--] <filepattern>...",
Kristian Høgsberg's avatar
Kristian Høgsberg committed
32 33 34
	NULL
};

35
static const char * const builtin_status_usage[] = {
Stephan Beyer's avatar
Stephan Beyer committed
36
	"git status [options] [--] <filepattern>...",
37 38 39
	NULL
};

40 41 42 43 44
static const char implicit_ident_advice[] =
"Your name and email address were configured automatically based\n"
"on your username and hostname. Please check that they are accurate.\n"
"You can suppress this message by setting them explicitly:\n"
"\n"
45
"    git config --global user.name \"Your Name\"\n"
46 47
"    git config --global user.email you@example.com\n"
"\n"
48
"After doing this, you may fix the identity used for this commit with:\n"
49
"\n"
50
"    git commit --amend --reset-author\n";
51

52 53 54 55 56
static const char empty_amend_advice[] =
"You asked to amend the most recent commit, but doing so would make\n"
"it empty. You can repeat your command with --allow-empty, or you can\n"
"remove the commit entirely with \"git reset HEAD^\".\n";

57
static unsigned char head_sha1[20];
58

Kristian Høgsberg's avatar
Kristian Høgsberg committed
59 60
static char *use_message_buffer;
static const char commit_editmsg[] = "COMMIT_EDITMSG";
61 62 63 64 65
static struct lock_file index_lock; /* real index */
static struct lock_file false_lock; /* used only for partial commits */
static enum {
	COMMIT_AS_IS = 1,
	COMMIT_NORMAL,
66
	COMMIT_PARTIAL
67
} commit_style;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
68

69
static const char *logfile, *force_author;
70
static const char *template_file;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
71
static char *edit_message, *use_message;
72
static char *fixup_message, *squash_message;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
73
static int all, edit_flag, also, interactive, only, amend, signoff;
74
static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
75
static int no_post_rewrite, allow_empty_message;
76
static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
77 78 79 80 81 82 83 84 85 86
/*
 * The default commit message cleanup mode will remove the lines
 * beginning with # (shell comments) and leading and trailing
 * whitespaces (empty lines or containing only whitespaces)
 * if editor is used, and only the whitespaces if the message
 * is specified explicitly.
 */
static enum {
	CLEANUP_SPACE,
	CLEANUP_NONE,
87
	CLEANUP_ALL
88 89
} cleanup_mode;
static char *cleanup_arg;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
90

91
static int use_editor = 1, initial_commit, in_merge, include_status = 1;
92
static int show_ignored_in_status;
93 94
static const char *only_include_assumed;
static struct strbuf message;
95

96 97 98 99
static int null_termination;
static enum {
	STATUS_FORMAT_LONG,
	STATUS_FORMAT_SHORT,
100
	STATUS_FORMAT_PORCELAIN
101
} status_format = STATUS_FORMAT_LONG;
102
static int status_show_branch;
103

104 105 106 107 108 109 110
static int opt_parse_m(const struct option *opt, const char *arg, int unset)
{
	struct strbuf *buf = opt->value;
	if (unset)
		strbuf_setlen(buf, 0);
	else {
		strbuf_addstr(buf, arg);
111
		strbuf_addstr(buf, "\n\n");
112 113 114
	}
	return 0;
}
Kristian Høgsberg's avatar
Kristian Høgsberg committed
115 116

static struct option builtin_commit_options[] = {
117 118
	OPT__QUIET(&quiet, "suppress summary after successful commit"),
	OPT__VERBOSE(&verbose, "show diff in commit message template"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
119

120
	OPT_GROUP("Commit message options"),
121
	OPT_FILENAME('F', "file", &logfile, "read message from file"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
122
	OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"),
123
	OPT_STRING(0, "date", &force_date, "DATE", "override date for commit"),
124
	OPT_CALLBACK('m', "message", &message, "MESSAGE", "commit message", opt_parse_m),
125
	OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
126
	OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"),
127
	OPT_STRING(0, "fixup", &fixup_message, "COMMIT", "use autosquash formatted message to fixup specified commit"),
128
	OPT_STRING(0, "squash", &squash_message, "COMMIT", "use autosquash formatted message to squash specified commit"),
129
	OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"),
130
	OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
131
	OPT_FILENAME('t', "template", &template_file, "use specified template file"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
132
	OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),
133
	OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
134
	OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"),
135
	/* end commit message options */
Kristian Høgsberg's avatar
Kristian Høgsberg committed
136 137 138 139 140

	OPT_GROUP("Commit contents options"),
	OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
	OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
	OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
141
	OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
142
	OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
Junio C Hamano's avatar
Junio C Hamano committed
143
	OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"),
144 145
	OPT_SET_INT(0, "short", &status_format, "show status concisely",
		    STATUS_FORMAT_SHORT),
146
	OPT_BOOLEAN(0, "branch", &status_show_branch, "show branch information"),
147
	OPT_SET_INT(0, "porcelain", &status_format,
148
		    "machine-readable output", STATUS_FORMAT_PORCELAIN),
149 150
	OPT_BOOLEAN('z', "null", &null_termination,
		    "terminate entries with NUL"),
Kristian Høgsberg's avatar
Kristian Høgsberg committed
151
	OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
152
	OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"),
153
	{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
154
	/* end commit contents options */
Kristian Høgsberg's avatar
Kristian Høgsberg committed
155

156 157 158 159 160 161 162
	{ OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL,
	  "ok to record an empty change",
	  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
	{ OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL,
	  "ok to record a change with an empty message",
	  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },

Kristian Høgsberg's avatar
Kristian Høgsberg committed
163 164 165
	OPT_END()
};

166 167 168 169 170 171 172 173 174 175 176 177 178 179 180
static void rollback_index_files(void)
{
	switch (commit_style) {
	case COMMIT_AS_IS:
		break; /* nothing to do */
	case COMMIT_NORMAL:
		rollback_lock_file(&index_lock);
		break;
	case COMMIT_PARTIAL:
		rollback_lock_file(&index_lock);
		rollback_lock_file(&false_lock);
		break;
	}
}

181
static int commit_index_files(void)
182
{
183 184
	int err = 0;

185 186 187 188
	switch (commit_style) {
	case COMMIT_AS_IS:
		break; /* nothing to do */
	case COMMIT_NORMAL:
189
		err = commit_lock_file(&index_lock);
190 191
		break;
	case COMMIT_PARTIAL:
192
		err = commit_lock_file(&index_lock);
193 194 195
		rollback_lock_file(&false_lock);
		break;
	}
196 197

	return err;
198 199 200 201 202 203
}

/*
 * Take a union of paths in the index and the named tree (typically, "HEAD"),
 * and return the paths that match the given pattern in list.
 */
204
static int list_paths(struct string_list *list, const char *with_tree,
205 206 207 208 209 210 211 212 213 214 215 216 217 218
		      const char *prefix, const char **pattern)
{
	int i;
	char *m;

	for (i = 0; pattern[i]; i++)
		;
	m = xcalloc(1, i);

	if (with_tree)
		overlay_tree_on_cache(with_tree, prefix);

	for (i = 0; i < active_nr; i++) {
		struct cache_entry *ce = active_cache[i];
219 220
		struct string_list_item *item;

221
		if (ce->ce_flags & CE_UPDATE)
222
			continue;
223
		if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m))
224
			continue;
225
		item = string_list_insert(list, ce->name);
226 227
		if (ce_skip_worktree(ce))
			item->util = item; /* better a valid pointer than a fake one */
228 229 230 231 232
	}

	return report_path_error(m, pattern, prefix ? strlen(prefix) : 0);
}

233
static void add_remove_files(struct string_list *list)
234 235 236
{
	int i;
	for (i = 0; i < list->nr; i++) {
237
		struct stat st;
238
		struct string_list_item *p = &(list->items[i]);
239

240 241
		/* p->util is skip-worktree */
		if (p->util)
242
			continue;
243

244 245
		if (!lstat(p->string, &st)) {
			if (add_to_cache(p->string, &st, 0))
246 247
				die("updating files failed");
		} else
248
			remove_file_from_cache(p->string);
249 250 251
	}
}

252 253 254 255 256 257 258 259 260 261 262 263 264 265 266
static void create_base_index(void)
{
	struct tree *tree;
	struct unpack_trees_options opts;
	struct tree_desc t;

	if (initial_commit) {
		discard_cache();
		return;
	}

	memset(&opts, 0, sizeof(opts));
	opts.head_idx = 1;
	opts.index_only = 1;
	opts.merge = 1;
267 268
	opts.src_index = &the_index;
	opts.dst_index = &the_index;
269 270 271 272 273 274 275

	opts.fn = oneway_merge;
	tree = parse_tree_indirect(head_sha1);
	if (!tree)
		die("failed to unpack HEAD tree object");
	parse_tree(tree);
	init_tree_desc(&t, tree->buffer, tree->size);
276 277
	if (unpack_trees(1, &t, &opts))
		exit(128); /* We've already reported the error, finish dying */
278 279
}

280 281 282 283 284 285 286 287 288 289
static void refresh_cache_or_die(int refresh_flags)
{
	/*
	 * refresh_flags contains REFRESH_QUIET, so the only errors
	 * are for unmerged entries.
	 */
	if (refresh_cache(refresh_flags | REFRESH_IN_PORCELAIN))
		die_resolve_conflict("commit");
}

290
static char *prepare_index(int argc, const char **argv, const char *prefix, int is_status)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
291 292
{
	int fd;
293
	struct string_list partial;
294
	const char **pathspec = NULL;
295
	int refresh_flags = REFRESH_QUIET;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
296

297 298
	if (is_status)
		refresh_flags |= REFRESH_UNMERGED;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
299
	if (interactive) {
300 301
		if (interactive_add(argc, argv, prefix) != 0)
			die("interactive add failed");
Linus Torvalds's avatar
Linus Torvalds committed
302
		if (read_cache_preload(NULL) < 0)
303
			die("index file corrupt");
304
		commit_style = COMMIT_AS_IS;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
305 306 307
		return get_index_file();
	}

308 309
	if (*argv)
		pathspec = get_pathspec(prefix, argv);
310

Linus Torvalds's avatar
Linus Torvalds committed
311 312 313
	if (read_cache_preload(pathspec) < 0)
		die("index file corrupt");

314 315 316 317 318 319 320 321 322 323 324 325 326
	/*
	 * Non partial, non as-is commit.
	 *
	 * (1) get the real index;
	 * (2) update the_index as necessary;
	 * (3) write the_index out to the real index (still locked);
	 * (4) return the name of the locked index file.
	 *
	 * The caller should run hooks on the locked real index, and
	 * (A) if all goes well, commit the real index;
	 * (B) on failure, rollback the real index.
	 */
	if (all || (also && pathspec && *pathspec)) {
327
		fd = hold_locked_index(&index_lock, 1);
328
		add_files_to_cache(also ? prefix : NULL, pathspec, 0);
329
		refresh_cache_or_die(refresh_flags);
Brandon Casey's avatar
Brandon Casey committed
330 331
		if (write_cache(fd, active_cache, active_nr) ||
		    close_lock_file(&index_lock))
Kristian Høgsberg's avatar
Kristian Høgsberg committed
332
			die("unable to write new_index file");
333 334
		commit_style = COMMIT_NORMAL;
		return index_lock.filename;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
335 336
	}

337 338 339 340 341
	/*
	 * As-is commit.
	 *
	 * (1) return the name of the real index file.
	 *
342 343
	 * The caller should run hooks on the real index,
	 * and create commit from the_index.
344 345 346 347
	 * We still need to refresh the index here.
	 */
	if (!pathspec || !*pathspec) {
		fd = hold_locked_index(&index_lock, 1);
348
		refresh_cache_or_die(refresh_flags);
349 350 351 352 353 354 355
		if (active_cache_changed) {
			if (write_cache(fd, active_cache, active_nr) ||
			    commit_locked_index(&index_lock))
				die("unable to write new_index file");
		} else {
			rollback_lock_file(&index_lock);
		}
356
		commit_style = COMMIT_AS_IS;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
357 358 359
		return get_index_file();
	}

360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380
	/*
	 * A partial commit.
	 *
	 * (0) find the set of affected paths;
	 * (1) get lock on the real index file;
	 * (2) update the_index with the given paths;
	 * (3) write the_index out to the real index (still locked);
	 * (4) get lock on the false index file;
	 * (5) reset the_index from HEAD;
	 * (6) update the_index the same way as (2);
	 * (7) write the_index out to the false index file;
	 * (8) return the name of the false index file (still locked);
	 *
	 * The caller should run hooks on the locked false index, and
	 * create commit from it.  Then
	 * (A) if all goes well, commit the real index;
	 * (B) on failure, rollback the real index;
	 * In either case, rollback the false index.
	 */
	commit_style = COMMIT_PARTIAL;

381
	if (in_merge)
382 383 384
		die("cannot do a partial commit during a merge.");

	memset(&partial, 0, sizeof(partial));
385
	partial.strdup_strings = 1;
386 387 388 389 390 391 392 393 394
	if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec))
		exit(1);

	discard_cache();
	if (read_cache() < 0)
		die("cannot read the index");

	fd = hold_locked_index(&index_lock, 1);
	add_remove_files(&partial);
395
	refresh_cache(REFRESH_QUIET);
Brandon Casey's avatar
Brandon Casey committed
396 397
	if (write_cache(fd, active_cache, active_nr) ||
	    close_lock_file(&index_lock))
Kristian Høgsberg's avatar
Kristian Høgsberg committed
398 399
		die("unable to write new_index file");

400
	fd = hold_lock_file_for_update(&false_lock,
401 402
				       git_path("next-index-%"PRIuMAX,
						(uintmax_t) getpid()),
403
				       LOCK_DIE_ON_ERROR);
404 405

	create_base_index();
406
	add_remove_files(&partial);
407
	refresh_cache(REFRESH_QUIET);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
408

Brandon Casey's avatar
Brandon Casey committed
409 410
	if (write_cache(fd, active_cache, active_nr) ||
	    close_lock_file(&false_lock))
411
		die("unable to write temporary index file");
412 413 414 415

	discard_cache();
	read_cache_from(false_lock.filename);

416
	return false_lock.filename;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
417 418
}

419 420
static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
		      struct wt_status *s)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
421
{
422 423
	unsigned char sha1[20];

424 425
	if (s->relative_paths)
		s->prefix = prefix;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
426 427

	if (amend) {
428 429
		s->amend = 1;
		s->reference = "HEAD^1";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
430
	}
431 432 433 434
	s->verbose = verbose;
	s->index_file = index_file;
	s->fp = fp;
	s->nowarn = nowarn;
435
	s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
436

437
	wt_status_collect(s);
438 439 440

	switch (status_format) {
	case STATUS_FORMAT_SHORT:
441
		wt_shortstatus_print(s, null_termination, status_show_branch);
442 443
		break;
	case STATUS_FORMAT_PORCELAIN:
444
		wt_porcelain_print(s, null_termination);
445 446 447 448 449
		break;
	case STATUS_FORMAT_LONG:
		wt_status_print(s);
		break;
	}
Kristian Høgsberg's avatar
Kristian Høgsberg committed
450

451
	return s->commitable;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
452 453
}

454 455 456 457 458 459 460 461
static int is_a_merge(const unsigned char *sha1)
{
	struct commit *commit = lookup_commit(sha1);
	if (!commit || parse_commit(commit))
		die("could not parse HEAD commit");
	return !!(commit->parents && commit->parents->next);
}

Kristian Høgsberg's avatar
Kristian Høgsberg committed
462 463
static const char sign_off_header[] = "Signed-off-by: ";

464
static void determine_author_info(struct strbuf *author_ident)
465 466 467 468 469 470 471
{
	char *name, *email, *date;

	name = getenv("GIT_AUTHOR_NAME");
	email = getenv("GIT_AUTHOR_EMAIL");
	date = getenv("GIT_AUTHOR_DATE");

472
	if (use_message && !renew_authorship) {
473 474 475 476 477 478
		const char *a, *lb, *rb, *eol;

		a = strstr(use_message_buffer, "\nauthor ");
		if (!a)
			die("invalid commit: %s", use_message);

479 480 481 482
		lb = strchrnul(a + strlen("\nauthor "), '<');
		rb = strchrnul(lb, '>');
		eol = strchrnul(rb, '\n');
		if (!*lb || !*rb || !*eol)
483 484
			die("invalid commit: %s", use_message);

485 486 487 488 489 490 491 492 493
		if (lb == a + strlen("\nauthor "))
			/* \nauthor <foo@example.com> */
			name = xcalloc(1, 1);
		else
			name = xmemdupz(a + strlen("\nauthor "),
					(lb - strlen(" ") -
					 (a + strlen("\nauthor "))));
		email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
		date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
494 495 496 497 498 499 500 501 502 503 504 505
	}

	if (force_author) {
		const char *lb = strstr(force_author, " <");
		const char *rb = strchr(force_author, '>');

		if (!lb || !rb)
			die("malformed --author parameter");
		name = xstrndup(force_author, lb - force_author);
		email = xstrndup(lb + 2, rb - (lb + 2));
	}

506 507
	if (force_date)
		date = force_date;
508 509
	strbuf_addstr(author_ident, fmt_ident(name, email, date,
					      IDENT_ERROR_ON_NO_NAME));
510 511
}

512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
static int ends_rfc2822_footer(struct strbuf *sb)
{
	int ch;
	int hit = 0;
	int i, j, k;
	int len = sb->len;
	int first = 1;
	const char *buf = sb->buf;

	for (i = len - 1; i > 0; i--) {
		if (hit && buf[i] == '\n')
			break;
		hit = (buf[i] == '\n');
	}

	while (i < len - 1 && buf[i] == '\n')
		i++;

	for (; i < len; i = k) {
		for (k = i; k < len && buf[k] != '\n'; k++)
			; /* do nothing */
		k++;

		if ((buf[k] == ' ' || buf[k] == '\t') && !first)
			continue;

		first = 0;

		for (j = 0; i + j < len; j++) {
			ch = buf[i + j];
			if (ch == ':')
				break;
			if (isalnum(ch) ||
			    (ch == '-'))
				continue;
			return 0;
		}
	}
	return 1;
}

553 554 555 556 557 558 559 560 561
static char *cut_ident_timestamp_part(char *string)
{
	char *ket = strrchr(string, '>');
	if (!ket || ket[1] != ' ')
		die("Malformed ident string: '%s'", string);
	*++ket = '\0';
	return ket;
}

562
static int prepare_to_commit(const char *index_file, const char *prefix,
563 564
			     struct wt_status *s,
			     struct strbuf *author_ident)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
565 566
{
	struct stat statbuf;
567
	struct strbuf committer_ident = STRBUF_INIT;
568
	int commitable, saved_color_setting;
569
	struct strbuf sb = STRBUF_INIT;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
570 571
	char *buffer;
	FILE *fp;
572 573
	const char *hook_arg1 = NULL;
	const char *hook_arg2 = NULL;
574
	int ident_shown = 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
575

576 577
	if (!no_verify && run_hook(index_file, "pre-commit", NULL))
		return 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
578

579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597
	if (squash_message) {
		/*
		 * Insert the proper subject line before other commit
		 * message options add their content.
		 */
		if (use_message && !strcmp(use_message, squash_message))
			strbuf_addstr(&sb, "squash! ");
		else {
			struct pretty_print_context ctx = {0};
			struct commit *c;
			c = lookup_commit_reference_by_name(squash_message);
			if (!c)
				die("could not lookup commit %s", squash_message);
			ctx.output_encoding = get_commit_output_encoding();
			format_commit_message(c, "squash! %s\n\n", &sb,
					      &ctx);
		}
	}

598 599
	if (message.len) {
		strbuf_addbuf(&sb, &message);
600
		hook_arg1 = "message";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
601 602 603 604
	} else if (logfile && !strcmp(logfile, "-")) {
		if (isatty(0))
			fprintf(stderr, "(reading log message from standard input)\n");
		if (strbuf_read(&sb, 0, 0) < 0)
605
			die_errno("could not read log from standard input");
606
		hook_arg1 = "message";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
607 608
	} else if (logfile) {
		if (strbuf_read_file(&sb, logfile, 0) < 0)
609 610
			die_errno("could not read log file '%s'",
				  logfile);
611
		hook_arg1 = "message";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
612 613 614 615 616
	} else if (use_message) {
		buffer = strstr(use_message_buffer, "\n\n");
		if (!buffer || buffer[2] == '\0')
			die("commit has empty message");
		strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
617 618
		hook_arg1 = "commit";
		hook_arg2 = use_message;
619 620 621 622 623 624 625 626 627 628
	} else if (fixup_message) {
		struct pretty_print_context ctx = {0};
		struct commit *commit;
		commit = lookup_commit_reference_by_name(fixup_message);
		if (!commit)
			die("could not lookup commit %s", fixup_message);
		ctx.output_encoding = get_commit_output_encoding();
		format_commit_message(commit, "fixup! %s\n\n",
				      &sb, &ctx);
		hook_arg1 = "message";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
629 630
	} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
631
			die_errno("could not read MERGE_MSG");
632
		hook_arg1 = "merge";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
633 634
	} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
635
			die_errno("could not read SQUASH_MSG");
636
		hook_arg1 = "squash";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
637 638
	} else if (template_file && !stat(template_file, &statbuf)) {
		if (strbuf_read_file(&sb, template_file, 0) < 0)
639
			die_errno("could not read '%s'", template_file);
640
		hook_arg1 = "template";
Kristian Høgsberg's avatar
Kristian Høgsberg committed
641 642
	}

643 644 645 646 647 648 649
	/*
	 * This final case does not modify the template message,
	 * it just sets the argument to the prepare-commit-msg hook.
	 */
	else if (in_merge)
		hook_arg1 = "merge";

650 651 652 653 654 655 656 657 658 659
	if (squash_message) {
		/*
		 * If squash_commit was used for the commit subject,
		 * then we're possibly hijacking other commit log options.
		 * Reset the hook args to tell the real story.
		 */
		hook_arg1 = "message";
		hook_arg2 = "";
	}

Kristian Høgsberg's avatar
Kristian Høgsberg committed
660 661
	fp = fopen(git_path(commit_editmsg), "w");
	if (fp == NULL)
662
		die_errno("could not open '%s'", git_path(commit_editmsg));
Kristian Høgsberg's avatar
Kristian Høgsberg committed
663

664 665
	if (cleanup_mode != CLEANUP_NONE)
		stripspace(&sb, 0);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
666 667

	if (signoff) {
668
		struct strbuf sob = STRBUF_INIT;
669 670 671
		int i;

		strbuf_addstr(&sob, sign_off_header);
672 673
		strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
					     getenv("GIT_COMMITTER_EMAIL")));
674 675 676
		strbuf_addch(&sob, '\n');
		for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
			; /* do nothing */
677
		if (prefixcmp(sb.buf + i, sob.buf)) {
678
			if (!i || !ends_rfc2822_footer(&sb))
679
				strbuf_addch(&sb, '\n');
680
			strbuf_addbuf(&sb, &sob);
681
		}
682
		strbuf_release(&sob);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
683 684
	}

685
	if (fwrite(sb.buf, 1, sb.len, fp) < sb.len)
686
		die_errno("could not write commit template");
687

Kristian Høgsberg's avatar
Kristian Høgsberg committed
688 689
	strbuf_release(&sb);

690 691
	/* This checks and barfs if author is badly specified */
	determine_author_info(author_ident);
692

693
	/* This checks if committer ident is explicitly given */
694
	strbuf_addstr(&committer_ident, git_committer_info(0));
695
	if (use_editor && include_status) {
696
		char *ai_tmp, *ci_tmp;
697 698 699 700 701 702 703 704 705 706 707 708
		if (in_merge)
			fprintf(fp,
				"#\n"
				"# It looks like you may be committing a MERGE.\n"
				"# If this is not correct, please remove the file\n"
				"#	%s\n"
				"# and try again.\n"
				"#\n",
				git_path("MERGE_HEAD"));

		fprintf(fp,
			"\n"
Jeff King's avatar
Jeff King committed
709
			"# Please enter the commit message for your changes.");
710
		if (cleanup_mode == CLEANUP_ALL)
Jeff King's avatar
Jeff King committed
711 712 713 714
			fprintf(fp,
				" Lines starting\n"
				"# with '#' will be ignored, and an empty"
				" message aborts the commit.\n");
715
		else /* CLEANUP_SPACE, that is. */
Jeff King's avatar
Jeff King committed
716 717 718 719 720
			fprintf(fp,
				" Lines starting\n"
				"# with '#' will be kept; you may remove them"
				" yourself if you want to.\n"
				"# An empty message aborts the commit.\n");
721 722 723
		if (only_include_assumed)
			fprintf(fp, "# %s\n", only_include_assumed);

724 725 726
		ai_tmp = cut_ident_timestamp_part(author_ident->buf);
		ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
		if (strcmp(author_ident->buf, committer_ident.buf))
727
			fprintf(fp,
728 729 730
				"%s"
				"# Author:    %s\n",
				ident_shown++ ? "" : "#\n",
731
				author_ident->buf);
732

733
		if (!user_ident_sufficiently_given())
734 735 736 737
			fprintf(fp,
				"%s"
				"# Committer: %s\n",
				ident_shown++ ? "" : "#\n",
738
				committer_ident.buf);
739 740 741 742

		if (ident_shown)
			fprintf(fp, "#\n");

743 744 745 746
		saved_color_setting = s->use_color;
		s->use_color = 0;
		commitable = run_status(fp, index_file, prefix, 1, s);
		s->use_color = saved_color_setting;
747 748 749

		*ai_tmp = ' ';
		*ci_tmp = ' ';
750
	} else {
751
		unsigned char sha1[20];
752
		const char *parent = "HEAD";
753 754 755 756

		if (!active_nr && read_cache() < 0)
			die("Cannot read index");

757 758 759
		if (amend)
			parent = "HEAD^1";

760
		if (get_sha1(parent, sha1))
761
			commitable = !!active_nr;
762 763
		else
			commitable = index_differs_from(parent, 0);
764
	}
765
	strbuf_release(&committer_ident);
766

767
	fclose(fp);
768

769 770
	if (!commitable && !in_merge && !allow_empty &&
	    !(amend && is_a_merge(head_sha1))) {
771
		run_status(stdout, index_file, prefix, 0, s);
772 773
		if (amend)
			fputs(empty_amend_advice, stderr);
774
		return 0;
775 776
	}

777 778 779 780 781 782 783 784 785 786 787
	/*
	 * Re-read the index as pre-commit hook could have updated it,
	 * and write it out as a tree.  We must do this before we invoke
	 * the editor and after we invoke run_status above.
	 */
	discard_cache();
	read_cache_from(index_file);
	if (!active_cache_tree)
		active_cache_tree = cache_tree();
	if (cache_tree_update(active_cache_tree,
			      active_cache, active_nr, 0, 0) < 0) {
788
		error("Error building trees");
789
		return 0;
790
	}
Kristian Høgsberg's avatar
Kristian Høgsberg committed
791

792 793 794
	if (run_hook(index_file, "prepare-commit-msg",
		     git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
		return 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
795

796 797
	if (use_editor) {
		char index[PATH_MAX];
798 799
		const char *env[2] = { NULL };
		env[0] =  index;
800
		snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
801 802 803 804 805
		if (launch_editor(git_path(commit_editmsg), NULL, env)) {
			fprintf(stderr,
			"Please supply the message using either -m or -F option.\n");
			exit(1);
		}
806
	}
Kristian Høgsberg's avatar
Kristian Høgsberg committed
807

808 809 810 811
	if (!no_verify &&
	    run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
		return 0;
	}
Kristian Høgsberg's avatar
Kristian Høgsberg committed
812

813
	return 1;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
814 815 816
}

/*
817 818
 * Find out if the message in the strbuf contains only whitespace and
 * Signed-off-by lines.
Kristian Høgsberg's avatar
Kristian Høgsberg committed
819
 */
820
static int message_is_empty(struct strbuf *sb)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
821
{
822
	struct strbuf tmpl = STRBUF_INIT;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
823
	const char *nl;
824
	int eol, i, start = 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
825

826 827 828
	if (cleanup_mode == CLEANUP_NONE && sb->len)
		return 0;

Kristian Høgsberg's avatar
Kristian Høgsberg committed
829 830
	/* See if the template is just a prefix of the message. */
	if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) {
831
		stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858
		if (start + tmpl.len <= sb->len &&
		    memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0)
			start += tmpl.len;
	}
	strbuf_release(&tmpl);

	/* Check if the rest is just whitespace and Signed-of-by's. */
	for (i = start; i < sb->len; i++) {
		nl = memchr(sb->buf + i, '\n', sb->len - i);
		if (nl)
			eol = nl - sb->buf;
		else
			eol = sb->len;

		if (strlen(sign_off_header) <= eol - i &&
		    !prefixcmp(sb->buf + i, sign_off_header)) {
			i = eol;
			continue;
		}
		while (i < eol)
			if (!isspace(sb->buf[i++]))
				return 0;
	}

	return 1;
}

859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
static const char *find_author_by_nickname(const char *name)
{
	struct rev_info revs;
	struct commit *commit;
	struct strbuf buf = STRBUF_INIT;
	const char *av[20];
	int ac = 0;

	init_revisions(&revs, NULL);
	strbuf_addf(&buf, "--author=%s", name);
	av[++ac] = "--all";
	av[++ac] = "-i";
	av[++ac] = buf.buf;
	av[++ac] = NULL;
	setup_revisions(ac, av, &revs, NULL);
	prepare_revision_walk(&revs);
	commit = get_revision(&revs);
	if (commit) {
877 878
		struct pretty_print_context ctx = {0};
		ctx.date_mode = DATE_NORMAL;
879
		strbuf_release(&buf);
880
		format_commit_message(commit, "%an <%ae>", &buf, &ctx);
881 882 883 884 885
		return strbuf_detach(&buf, NULL);
	}
	die("No existing author found with '%s'", name);
}

886 887 888 889 890 891 892 893 894 895 896 897 898 899 900

static void handle_untracked_files_arg(struct wt_status *s)
{
	if (!untracked_files_arg)
		; /* default already initialized */
	else if (!strcmp(untracked_files_arg, "no"))
		s->show_untracked_files = SHOW_NO_UNTRACKED_FILES;
	else if (!strcmp(untracked_files_arg, "normal"))
		s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
	else if (!strcmp(untracked_files_arg, "all"))
		s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
	else
		die("Invalid untracked files mode '%s'", untracked_files_arg);
}

901
static int parse_and_validate_options(int argc, const char *argv[],
902
				      const char * const usage[],
903 904
				      const char *prefix,
				      struct wt_status *s)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
905 906 907
{
	int f = 0;

908 909
	argc = parse_options(argc, argv, prefix, builtin_commit_options, usage,
			     0);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
910

911 912 913
	if (force_author && !strchr(force_author, '>'))
		force_author = find_author_by_nickname(force_author);

914 915 916
	if (force_author && renew_authorship)
		die("Using both --reset-author and --author does not make sense");

917
	if (logfile || message.len || use_message || fixup_message)
918
		use_editor = 0;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
919
	if (edit_flag)
920
		use_editor = 1;
921 922
	if (!use_editor)
		setenv("GIT_EDITOR", ":", 1);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
923 924 925 926 927 928 929 930

	if (get_sha1("HEAD", head_sha1))
		initial_commit = 1;

	/* Sanity check options */
	if (amend && initial_commit)
		die("You have nothing to amend.");
	if (amend && in_merge)
931
		die("You are in the middle of a merge -- cannot amend.");
932 933
	if (fixup_message && squash_message)
		die("Options --squash and --fixup cannot be used together");
Kristian Høgsberg's avatar
Kristian Høgsberg committed
934 935 936 937
	if (use_message)
		f++;
	if (edit_message)
		f++;
938 939
	if (fixup_message)
		f++;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
940 941 942
	if (logfile)
		f++;
	if (f > 1)
943
		die("Only one of -c/-C/-F/--fixup can be used.");
944
	if (message.len && f > 0)
945
		die("Option -m cannot be combined with -c/-C/-F/--fixup.");
Kristian Høgsberg's avatar
Kristian Høgsberg committed
946 947
	if (edit_message)
		use_message = edit_message;
948
	if (amend && !use_message && !fixup_message)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
949
		use_message = "HEAD";
950 951
	if (!use_message && renew_authorship)
		die("--reset-author can be used only with -C, -c or --amend.");
Kristian Høgsberg's avatar
Kristian Høgsberg committed
952 953 954 955
	if (use_message) {
		const char *out_enc;
		struct commit *commit;

956 957
		commit = lookup_commit_reference_by_name(use_message);
		if (!commit)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
958
			die("could not lookup commit %s", use_message);
959 960
		out_enc = get_commit_output_encoding();
		use_message_buffer = logmsg_reencode(commit, out_enc);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977

		/*
		 * If we failed to reencode the buffer, just copy it
		 * byte for byte so the user can try to fix it up.
		 * This also handles the case where input and output
		 * encodings are identical.
		 */
		if (use_message_buffer == NULL)
			use_message_buffer = xstrdup(commit->buffer);
	}

	if (!!also + !!only + !!all + !!interactive > 1)
		die("Only one of --include/--only/--all/--interactive can be used.");
	if (argc == 0 && (also || (only && !amend)))
		die("No paths with --include/--only does not make sense.");
	if (argc == 0 && only && amend)
		only_include_assumed = "Clever... amending the last one with dirty index.";
978
	if (argc > 0 && !also && !only)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
979
		only_include_assumed = "Explicit paths specified without -i nor -o; assuming --only paths...";
980 981 982 983 984 985 986 987 988 989
	if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
		cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
	else if (!strcmp(cleanup_arg, "verbatim"))
		cleanup_mode = CLEANUP_NONE;
	else if (!strcmp(cleanup_arg, "whitespace"))
		cleanup_mode = CLEANUP_SPACE;
	else if (!strcmp(cleanup_arg, "strip"))
		cleanup_mode = CLEANUP_ALL;
	else
		die("Invalid cleanup mode %s", cleanup_arg);
Kristian Høgsberg's avatar
Kristian Høgsberg committed
990

991
	handle_untracked_files_arg(s);
992

Kristian Høgsberg's avatar
Kristian Høgsberg committed
993 994 995 996 997
	if (all && argc > 0)
		die("Paths with -a does not make sense.");
	else if (interactive && argc > 0)
		die("Paths with --interactive does not make sense.");

998 999 1000 1001 1002
	if (null_termination && status_format == STATUS_FORMAT_LONG)
		status_format = STATUS_FORMAT_PORCELAIN;
	if (status_format != STATUS_FORMAT_LONG)
		dry_run = 1;

Kristian Høgsberg's avatar
Kristian Høgsberg committed
1003 1004 1005
	return argc;
}

1006 1007
static int dry_run_commit(int argc, const char **argv, const char *prefix,
			  struct wt_status *s)
Kristian Høgsberg's avatar
Kristian Høgsberg committed
1008 1009
{
	int commitable;
Junio C Hamano's avatar
Junio C Hamano committed
1010
	const char *index_file;
Kristian Høgsberg's avatar
Kristian Høgsberg committed
1011

Junio C Hamano's avatar
Junio C Hamano committed
1012
	index_file = prepare_index(argc, argv, prefix, 1);
1013
	commitable = run_status(stdout, index_file, prefix, 0, s);
Junio C Hamano's avatar
Junio C Hamano committed
1014
	rollback_index_files();
Kristian Høgsberg's avatar
Kristian Høgsberg committed
1015

Junio C Hamano's avatar
Junio C Hamano committed
1016 1017 1018
	return commitable ? 0 : 1;
}

1019 1020 1021 1022
static int parse_status_slot(const char *var, int offset)
{
	if (!strcasecmp(var+offset, "header"))
		return WT_STATUS_HEADER;
1023 1024
	if (!strcasecmp(var+offset, "branch"))
		return WT_STATUS_ONBRANCH;
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
	if (!strcasecmp(var+offset, "updated")
		|| !strcasecmp(var+offset, "added"))
		return WT_STATUS_UPDATED;
	if (!strcasecmp(var+offset, "changed"))
		return WT_STATUS_CHANGED;
	if (!strcasecmp(var+offset, "untracked"))
		return WT_STATUS_UNTRACKED;
	if (!strcasecmp(var+offset, "nobranch"))
		return WT_STATUS_NOBRANCH;
	if (!strcasecmp(var+offset, "unmerged"))
		return WT_STATUS_UNMERGED;
1036
	return -1;
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055
}

static int git_status_config(const char *k, const char *v, void *cb)
{
	struct wt_status *s = cb;

	if (!strcmp(k, "status.submodulesummary")) {
		int is_bool;
		s->submodule_summary = git_config_bool_or_int(k, v, &is_bool);
		if (is_bool && s->submodule_summary)
			s->submodule_summary = -1;
		return 0;
	}
	if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
		s->use_color = git_config_colorbool(k, v, -1);
		return 0;
	}
	if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
		int slot = parse_status_slot(k, 13);
1056 1057
		if (slot < 0)
			return 0;
1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
		if (!v)
			return config_error_nonbool(k);
		color_parse(v, k, s->color_palette[slot]);
		return 0;
	}
	if (!strcmp(k, "status.relativepaths")) {
		s->relative_paths = git_config_bool(k, v);
		return 0;
	}
	if (!strcmp(k, "status.showuntrackedfiles")) {
		if (!v)
			return config_error_nonbool(k);
		else if (!strcmp(v, "no"))
			s->show_untracked_files = SHOW_NO_UNTRACKED_FILES;
		else if (!strcmp(v, "normal"))
			s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
		else if (!strcmp(v, "all"))
			s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
		else
			return error("Invalid untracked files mode '%s'", v);
		return 0;
	}
	return git_diff_ui_config(k, v, NULL);
}

Junio C Hamano's avatar
Junio C Hamano committed
1083 1084
int cmd_status(int argc, const char **argv, const char *prefix)
{
1085
	struct wt_status s;
1086
	int fd;
1087
	unsigned char sha1[20];
1088
	static struct option builtin_status_options[] = {
1089
		OPT__VERBOSE(&verbose, "be verbose"),
1090 1091
		OPT_SET_INT('s', "short", &status_format,
			    "show status concisely", STATUS_FORMAT_SHORT),
1092 1093
		OPT_BOOLEAN('b', "branch", &status_show_branch,
			    "show branch information"),
1094
		OPT_SET_INT(0, "porcelain", &status_format,
1095
			    "machine-readable output",
1096
			    STATUS_FORMAT_PORCELAIN),
1097 1098
		OPT_BOOLEAN('z', "null", &null_termination,
			    "terminate entries with NUL"),
1099 1100 1101 1102
		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
		  "mode",
		  "show untracked files, optional modes: all, normal, no. (Default: all)",
		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
1103 1104
		OPT_BOOLEAN(0, "ignored", &show_ignored_in_status,
			    "show ignored files"),
1105 1106 1107
		{ OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, "when",
		  "ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)",
		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
1108 1109 1110
		OPT_END(),
	};

1111 1112 1113
	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_status_usage, builtin_status_options);

1114
	if (null_termination && status_format == STATUS_FORMAT_LONG)
1115
		status_format = STATUS_FORMAT_PORCELAIN;
1116 1117

	wt_status_prepare(&s);
1118
	gitmodules_config();
1119
	git_config(git_status_config, &s);
1120
	in_merge = file_exists(git_path("MERGE_HEAD"));
1121
	argc = parse_options(argc, argv, prefix,
1122 1123
			     builtin_status_options,
			     builtin_status_usage, 0);
1124
	handle_untracked_files_arg(&s);
1125 1126
	if (show_ignored_in_status)
		s.show_ignored_files = 1;
1127 1128 1129
	if (*argv)
		s.pathspec = get_pathspec(prefix, argv);

1130
	read_cache_preload(s.pathspec);
1131
	refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);