wt-status.c · matheusbsbs/matheus-bagliano

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1	#define USE_THE_REPOSITORY_VARIABLE
2	#define DISABLE_SIGN_COMPARE_WARNINGS
3
4	#include "git-compat-util.h"
5	#include "advice.h"
6	#include "wt-status.h"
7	#include "object.h"
8	#include "dir.h"
9	#include "commit.h"
10	#include "diff.h"
11	#include "environment.h"
12	#include "gettext.h"
13	#include "hash.h"
14	#include "hex.h"
15	#include "object-name.h"
16	#include "path.h"
17	#include "revision.h"
18	#include "diffcore.h"
19	#include "quote.h"
20	#include "repository.h"
21	#include "run-command.h"
22	#include "strvec.h"
23	#include "remote.h"
24	#include "refs.h"
25	#include "submodule.h"
26	#include "column.h"
27	#include "read-cache.h"
28	#include "setup.h"
29	#include "strbuf.h"
30	#include "trace.h"
31	#include "trace2.h"
32	#include "tree.h"
33	#include "utf8.h"
34	#include "worktree.h"
35	#include "lockfile.h"
36	#include "sequencer.h"
37	#include "fsmonitor-settings.h"
38
39	#define AB_DELAY_WARNING_IN_MS (2 * 1000)
40	#define UF_DELAY_WARNING_IN_MS (2 * 1000)
41
42	static const char cut_line[] =
43	"------------------------ >8 ------------------------\n";
44
45	static char default_wt_status_colors[][COLOR_MAXLEN] = {
46	GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
47	GIT_COLOR_GREEN, /* WT_STATUS_UPDATED */
48	GIT_COLOR_RED, /* WT_STATUS_CHANGED */
49	GIT_COLOR_RED, /* WT_STATUS_UNTRACKED */
50	GIT_COLOR_RED, /* WT_STATUS_NOBRANCH */
51	GIT_COLOR_RED, /* WT_STATUS_UNMERGED */
52	GIT_COLOR_GREEN, /* WT_STATUS_LOCAL_BRANCH */
53	GIT_COLOR_RED, /* WT_STATUS_REMOTE_BRANCH */
54	GIT_COLOR_NIL, /* WT_STATUS_ONBRANCH */
55	};
56
57	static const char color(int slot, struct wt_status s)
58	{
59	const char *c = "";
60	if (want_color(s->use_color))
61	c = s->color_palette[slot];
62	if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
63	c = s->color_palette[WT_STATUS_HEADER];
64	return c;
65	}
66
67	static void status_vprintf(struct wt_status s, int at_bol, const char color,
68	const char fmt, va_list ap, const char trail)
69	{
70	struct strbuf sb = STRBUF_INIT;
71	struct strbuf linebuf = STRBUF_INIT;
72	const char line, eol;
73
74	strbuf_vaddf(&sb, fmt, ap);
75	if (!sb.len) {
76	if (s->display_comment_prefix) {
77	strbuf_addstr(&sb, comment_line_str);
78	if (!trail)
79	strbuf_addch(&sb, ' ');
80	}
81	color_print_strbuf(s->fp, color, &sb);
82	if (trail)
83	fprintf(s->fp, "%s", trail);
84	strbuf_release(&sb);
85	return;
86	}
87	for (line = sb.buf; *line; line = eol + 1) {
88	eol = strchr(line, '\n');
89
90	strbuf_reset(&linebuf);
91	if (at_bol && s->display_comment_prefix) {
92	strbuf_addstr(&linebuf, comment_line_str);
93	if (line != '\n' && line != '\t')
94	strbuf_addch(&linebuf, ' ');
95	}
96	if (eol)
97	strbuf_add(&linebuf, line, eol - line);
98	else
99	strbuf_addstr(&linebuf, line);
100	color_print_strbuf(s->fp, color, &linebuf);
101	if (eol)
102	fprintf(s->fp, "\n");
103	else
104	break;
105	at_bol = 1;
106	}
107	if (trail)
108	fprintf(s->fp, "%s", trail);
109	strbuf_release(&linebuf);
110	strbuf_release(&sb);
111	}
112
113	void status_printf_ln(struct wt_status s, const char color,
114	const char *fmt, ...)
115	{
116	va_list ap;
117
118	va_start(ap, fmt);
119	status_vprintf(s, 1, color, fmt, ap, "\n");
120	va_end(ap);
121	}
122
123	void status_printf(struct wt_status s, const char color,
124	const char *fmt, ...)
125	{
126	va_list ap;
127
128	va_start(ap, fmt);
129	status_vprintf(s, 1, color, fmt, ap, NULL);
130	va_end(ap);
131	}
132
133	__attribute__((format (printf, 3, 4)))
134	static void status_printf_more(struct wt_status s, const char color,
135	const char *fmt, ...)
136	{
137	va_list ap;
138
139	va_start(ap, fmt);
140	status_vprintf(s, 0, color, fmt, ap, NULL);
141	va_end(ap);
142	}
143
144	void wt_status_prepare(struct repository r, struct wt_status s)
145	{
146	memset(s, 0, sizeof(*s));
147	s->repo = r;
148	memcpy(s->color_palette, default_wt_status_colors,
149	sizeof(default_wt_status_colors));
150	s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
151	s->use_color = GIT_COLOR_UNKNOWN;
152	s->relative_paths = 1;
153	s->branch = refs_resolve_refdup(get_main_ref_store(r),
154	"HEAD", 0, NULL, NULL);
155	s->reference = "HEAD";
156	s->fp = stdout;
157	s->index_file = repo_get_index_file(r);
158	s->change.strdup_strings = 1;
159	s->untracked.strdup_strings = 1;
160	s->ignored.strdup_strings = 1;
161	s->show_branch = -1; /* unspecified */
162	s->show_stash = 0;
163	s->ahead_behind_flags = AHEAD_BEHIND_UNSPECIFIED;
164	s->display_comment_prefix = 0;
165	s->detect_rename = -1;
166	s->rename_score = -1;
167	s->rename_limit = -1;
168	}
169
170	static void wt_longstatus_print_unmerged_header(struct wt_status *s)
171	{
172	int i;
173	int del_mod_conflict = 0;
174	int both_deleted = 0;
175	int not_deleted = 0;
176	const char *c = color(WT_STATUS_HEADER, s);
177
178	status_printf_ln(s, c, _("Unmerged paths:"));
179
180	for (i = 0; i < s->change.nr; i++) {
181	struct string_list_item *it = &(s->change.items[i]);
182	struct wt_status_change_data *d = it->util;
183
184	switch (d->stagemask) {
185	case 0:
186	break;
187	case 1:
188	both_deleted = 1;
189	break;
190	case 3:
191	case 5:
192	del_mod_conflict = 1;
193	break;
194	default:
195	not_deleted = 1;
196	break;
197	}
198	}
199
200	if (!s->hints)
201	return;
202	if (s->whence != FROM_COMMIT)
203	;
204	else if (!s->is_initial) {
205	if (!strcmp(s->reference, "HEAD"))
206	status_printf_ln(s, c,
207	_(" (use \"git restore --staged <file>...\" to unstage)"));
208	else
209	status_printf_ln(s, c,
210	_(" (use \"git restore --source=%s --staged <file>...\" to unstage)"),
211	s->reference);
212	} else
213	status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
214
215	if (!both_deleted) {
216	if (!del_mod_conflict)
217	status_printf_ln(s, c, _(" (use \"git add <file>...\" to mark resolution)"));
218	else
219	status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
220	} else if (!del_mod_conflict && !not_deleted) {
221	status_printf_ln(s, c, _(" (use \"git rm <file>...\" to mark resolution)"));
222	} else {
223	status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
224	}
225	}
226
227	static void wt_longstatus_print_cached_header(struct wt_status *s)
228	{
229	const char *c = color(WT_STATUS_HEADER, s);
230
231	status_printf_ln(s, c, _("Changes to be committed:"));
232	if (!s->hints)
233	return;
234	if (s->whence != FROM_COMMIT)
235	; /* NEEDSWORK: use "git reset --unresolve"??? */
236	else if (!s->is_initial) {
237	if (!strcmp(s->reference, "HEAD"))
238	status_printf_ln(s, c
239	, _(" (use \"git restore --staged <file>...\" to unstage)"));
240	else
241	status_printf_ln(s, c,
242	_(" (use \"git restore --source=%s --staged <file>...\" to unstage)"),
243	s->reference);
244	} else
245	status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
246	}
247
248	static void wt_longstatus_print_dirty_header(struct wt_status *s,
249	int has_deleted,
250	int has_dirty_submodules)
251	{
252	const char *c = color(WT_STATUS_HEADER, s);
253
254	status_printf_ln(s, c, _("Changes not staged for commit:"));
255	if (!s->hints)
256	return;
257	if (!has_deleted)
258	status_printf_ln(s, c, _(" (use \"git add <file>...\" to update what will be committed)"));
259	else
260	status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" to update what will be committed)"));
261	status_printf_ln(s, c, _(" (use \"git restore <file>...\" to discard changes in working directory)"));
262	if (has_dirty_submodules)
263	status_printf_ln(s, c, _(" (commit or discard the untracked or modified content in submodules)"));
264	}
265
266	static void wt_longstatus_print_other_header(struct wt_status *s,
267	const char *what,
268	const char *how)
269	{
270	const char *c = color(WT_STATUS_HEADER, s);
271	status_printf_ln(s, c, "%s:", what);
272	if (!s->hints)
273	return;
274	status_printf_ln(s, c, _(" (use \"git %s <file>...\" to include in what will be committed)"), how);
275	}
276
277	static void wt_longstatus_print_trailer(struct wt_status *s)
278	{
279	status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
280	}
281
282	static const char *wt_status_unmerged_status_string(int stagemask)
283	{
284	switch (stagemask) {
285	case 1:
286	return _("both deleted:");
287	case 2:
288	return _("added by us:");
289	case 3:
290	return _("deleted by them:");
291	case 4:
292	return _("added by them:");
293	case 5:
294	return _("deleted by us:");
295	case 6:
296	return _("both added:");
297	case 7:
298	return _("both modified:");
299	default:
300	BUG("unhandled unmerged status %x", stagemask);
301	}
302	}
303
304	static const char *wt_status_diff_status_string(int status)
305	{
306	switch (status) {
307	case DIFF_STATUS_ADDED:
308	return _("new file:");
309	case DIFF_STATUS_COPIED:
310	return _("copied:");
311	case DIFF_STATUS_DELETED:
312	return _("deleted:");
313	case DIFF_STATUS_MODIFIED:
314	return _("modified:");
315	case DIFF_STATUS_RENAMED:
316	return _("renamed:");
317	case DIFF_STATUS_TYPE_CHANGED:
318	return _("typechange:");
319	case DIFF_STATUS_UNKNOWN:
320	return _("unknown:");
321	case DIFF_STATUS_UNMERGED:
322	return _("unmerged:");
323	default:
324	return NULL;
325	}
326	}
327
328	static int maxwidth(const char (label)(int), int minval, int maxval)
329	{
330	int result = 0, i;
331
332	for (i = minval; i <= maxval; i++) {
333	const char *s = label(i);
334	int len = s ? utf8_strwidth(s) : 0;
335	if (len > result)
336	result = len;
337	}
338	return result;
339	}
340
341	static void wt_longstatus_print_unmerged_data(struct wt_status *s,
342	struct string_list_item *it)
343	{
344	const char *c = color(WT_STATUS_UNMERGED, s);
345	struct wt_status_change_data *d = it->util;
346	struct strbuf onebuf = STRBUF_INIT;
347	static char *padding;
348	static int label_width;
349	const char one, how;
350	int len;
351
352	if (!padding) {
353	label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
354	label_width += strlen(" ");
355	padding = xmallocz(label_width);
356	memset(padding, ' ', label_width);
357	}
358
359	one = quote_path(it->string, s->prefix, &onebuf, 0);
360	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
361
362	how = wt_status_unmerged_status_string(d->stagemask);
363	len = label_width - utf8_strwidth(how);
364	status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
365	strbuf_release(&onebuf);
366	}
367
368	static void wt_longstatus_print_change_data(struct wt_status *s,
369	int change_type,
370	struct string_list_item *it)
371	{
372	struct wt_status_change_data *d = it->util;
373	const char *c = color(change_type, s);
374	int status;
375	char *one_name;
376	char *two_name;
377	const char one, two;
378	struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
379	struct strbuf extra = STRBUF_INIT;
380	static char *padding;
381	static int label_width;
382	const char *what;
383	int len;
384
385	if (!padding) {
386	/* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
387	label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
388	label_width += strlen(" ");
389	padding = xmallocz(label_width);
390	memset(padding, ' ', label_width);
391	}
392
393	one_name = two_name = it->string;
394	switch (change_type) {
395	case WT_STATUS_UPDATED:
396	status = d->index_status;
397	break;
398	case WT_STATUS_CHANGED:
399	if (d->new_submodule_commits \|\| d->dirty_submodule) {
400	strbuf_addstr(&extra, " (");
401	if (d->new_submodule_commits)
402	strbuf_addstr(&extra, _("new commits, "));
403	if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
404	strbuf_addstr(&extra, _("modified content, "));
405	if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
406	strbuf_addstr(&extra, _("untracked content, "));
407	strbuf_setlen(&extra, extra.len - 2);
408	strbuf_addch(&extra, ')');
409	}
410	status = d->worktree_status;
411	break;
412	default:
413	BUG("unhandled change_type %d in wt_longstatus_print_change_data",
414	change_type);
415	}
416
417	/*
418	* Only pick up the rename it's relevant. If the rename is for
419	* the changed section and we're printing the updated section,
420	* ignore it.
421	*/
422	if (d->rename_status == status)
423	one_name = d->rename_source;
424
425	one = quote_path(one_name, s->prefix, &onebuf, 0);
426	two = quote_path(two_name, s->prefix, &twobuf, 0);
427
428	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
429	what = wt_status_diff_status_string(status);
430	if (!what)
431	BUG("unhandled diff status %c", status);
432	len = label_width - utf8_strwidth(what);
433	assert(len >= 0);
434	if (one_name != two_name)
435	status_printf_more(s, c, "%s%.*s%s -> %s",
436	what, len, padding, one, two);
437	else
438	status_printf_more(s, c, "%s%.*s%s",
439	what, len, padding, one);
440	if (extra.len) {
441	status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
442	strbuf_release(&extra);
443	}
444	status_printf_more(s, GIT_COLOR_NORMAL, "\n");
445	strbuf_release(&onebuf);
446	strbuf_release(&twobuf);
447	}
448
449	static char short_submodule_status(struct wt_status_change_data *d)
450	{
451	if (d->new_submodule_commits)
452	return 'M';
453	if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
454	return 'm';
455	if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
456	return '?';
457	return d->worktree_status;
458	}
459
460	static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
461	struct diff_options *options UNUSED,
462	void *data)
463	{
464	struct wt_status *s = data;
465	int i;
466
467	if (!q->nr)
468	return;
469	s->workdir_dirty = 1;
470	for (i = 0; i < q->nr; i++) {
471	struct diff_filepair *p;
472	struct string_list_item *it;
473	struct wt_status_change_data *d;
474
475	p = q->queue[i];
476	it = string_list_insert(&s->change, p->two->path);
477	d = it->util;
478	if (!d) {
479	CALLOC_ARRAY(d, 1);
480	it->util = d;
481	}
482	if (!d->worktree_status)
483	d->worktree_status = p->status;
484	if (S_ISGITLINK(p->two->mode)) {
485	d->dirty_submodule = p->two->dirty_submodule;
486	d->new_submodule_commits = !oideq(&p->one->oid,
487	&p->two->oid);
488	if (s->status_format == STATUS_FORMAT_SHORT)
489	d->worktree_status = short_submodule_status(d);
490	}
491
492	switch (p->status) {
493	case DIFF_STATUS_ADDED:
494	d->mode_worktree = p->two->mode;
495	break;
496
497	case DIFF_STATUS_DELETED:
498	d->mode_index = p->one->mode;
499	oidcpy(&d->oid_index, &p->one->oid);
500	/* mode_worktree is zero for a delete. */
501	break;
502
503	case DIFF_STATUS_COPIED:
504	case DIFF_STATUS_RENAMED:
505	if (d->rename_status)
506	BUG("multiple renames on the same target? how?");
507	d->rename_source = xstrdup(p->one->path);
508	d->rename_score = p->score * 100 / MAX_SCORE;
509	d->rename_status = p->status;
510	/* fallthru */
511	case DIFF_STATUS_MODIFIED:
512	case DIFF_STATUS_TYPE_CHANGED:
513	case DIFF_STATUS_UNMERGED:
514	d->mode_index = p->one->mode;
515	d->mode_worktree = p->two->mode;
516	oidcpy(&d->oid_index, &p->one->oid);
517	break;
518
519	default:
520	BUG("unhandled diff-files status '%c'", p->status);
521	break;
522	}
523
524	}
525	}
526
527	static int unmerged_mask(struct index_state istate, const char path)
528	{
529	int pos, mask;
530	const struct cache_entry *ce;
531
532	pos = index_name_pos(istate, path, strlen(path));
533	if (0 <= pos)
534	return 0;
535
536	mask = 0;
537	pos = -pos-1;
538	while (pos < istate->cache_nr) {
539	ce = istate->cache[pos++];
540	if (strcmp(ce->name, path) \|\| !ce_stage(ce))
541	break;
542	mask \|= (1 << (ce_stage(ce) - 1));
543	}
544	return mask;
545	}
546
547	static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
548	struct diff_options *options UNUSED,
549	void *data)
550	{
551	struct wt_status *s = data;
552	int i;
553
554	for (i = 0; i < q->nr; i++) {
555	struct diff_filepair *p;
556	struct string_list_item *it;
557	struct wt_status_change_data *d;
558
559	p = q->queue[i];
560	it = string_list_insert(&s->change, p->two->path);
561	d = it->util;
562	if (!d) {
563	CALLOC_ARRAY(d, 1);
564	it->util = d;
565	}
566	if (!d->index_status)
567	d->index_status = p->status;
568	switch (p->status) {
569	case DIFF_STATUS_ADDED:
570	/* Leave {mode,oid}_head zero for an add. */
571	d->mode_index = p->two->mode;
572	oidcpy(&d->oid_index, &p->two->oid);
573	s->committable = 1;
574	break;
575	case DIFF_STATUS_DELETED:
576	d->mode_head = p->one->mode;
577	oidcpy(&d->oid_head, &p->one->oid);
578	s->committable = 1;
579	/* Leave {mode,oid}_index zero for a delete. */
580	break;
581
582	case DIFF_STATUS_COPIED:
583	case DIFF_STATUS_RENAMED:
584	if (d->rename_status)
585	BUG("multiple renames on the same target? how?");
586	d->rename_source = xstrdup(p->one->path);
587	d->rename_score = p->score * 100 / MAX_SCORE;
588	d->rename_status = p->status;
589	/* fallthru */
590	case DIFF_STATUS_MODIFIED:
591	case DIFF_STATUS_TYPE_CHANGED:
592	d->mode_head = p->one->mode;
593	d->mode_index = p->two->mode;
594	oidcpy(&d->oid_head, &p->one->oid);
595	oidcpy(&d->oid_index, &p->two->oid);
596	s->committable = 1;
597	break;
598	case DIFF_STATUS_UNMERGED:
599	d->stagemask = unmerged_mask(s->repo->index,
600	p->two->path);
601	/*
602	* Don't bother setting {mode,oid}_{head,index} since the print
603	* code will output the stage values directly and not use the
604	* values in these fields.
605	*/
606	break;
607
608	default:
609	BUG("unhandled diff-index status '%c'", p->status);
610	break;
611	}
612	}
613	}
614
615	void wt_status_collect_changes_trees(struct wt_status *s,
616	const struct object_id *old_treeish,
617	const struct object_id *new_treeish)
618	{
619	struct diff_options opts = { 0 };
620
621	repo_diff_setup(s->repo, &opts);
622	opts.output_format = DIFF_FORMAT_CALLBACK;
623	opts.format_callback = wt_status_collect_updated_cb;
624	opts.format_callback_data = s;
625	opts.detect_rename = s->detect_rename >= 0 ? s->detect_rename : opts.detect_rename;
626	opts.rename_limit = s->rename_limit >= 0 ? s->rename_limit : opts.rename_limit;
627	opts.rename_score = s->rename_score >= 0 ? s->rename_score : opts.rename_score;
628	opts.flags.recursive = 1;
629	diff_setup_done(&opts);
630
631	diff_tree_oid(old_treeish, new_treeish, "", &opts);
632	diffcore_std(&opts);
633	diff_flush(&opts);
634	wt_status_get_state(s->repo, &s->state, 0);
635
636	diff_free(&opts);
637	}
638
639	static void wt_status_collect_changes_worktree(struct wt_status *s)
640	{
641	struct rev_info rev;
642
643	repo_init_revisions(s->repo, &rev, NULL);
644	setup_revisions(0, NULL, &rev, NULL);
645	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
646	rev.diffopt.flags.dirty_submodules = 1;
647	rev.diffopt.ita_invisible_in_index = 1;
648	if (!s->show_untracked_files)
649	rev.diffopt.flags.ignore_untracked_in_submodules = 1;
650	if (s->ignore_submodule_arg) {
651	rev.diffopt.flags.override_submodule_config = 1;
652	handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
653	} else if (!rev.diffopt.flags.ignore_submodule_set &&
654	s->show_untracked_files != SHOW_NO_UNTRACKED_FILES)
655	handle_ignore_submodules_arg(&rev.diffopt, "none");
656	rev.diffopt.format_callback = wt_status_collect_changed_cb;
657	rev.diffopt.format_callback_data = s;
658	rev.diffopt.detect_rename = s->detect_rename >= 0 ? s->detect_rename : rev.diffopt.detect_rename;
659	rev.diffopt.rename_limit = s->rename_limit >= 0 ? s->rename_limit : rev.diffopt.rename_limit;
660	rev.diffopt.rename_score = s->rename_score >= 0 ? s->rename_score : rev.diffopt.rename_score;
661	copy_pathspec(&rev.prune_data, &s->pathspec);
662	run_diff_files(&rev, 0);
663	release_revisions(&rev);
664	}
665
666	static void wt_status_collect_changes_index(struct wt_status *s)
667	{
668	struct rev_info rev;
669	struct setup_revision_opt opt;
670
671	repo_init_revisions(s->repo, &rev, NULL);
672	memset(&opt, 0, sizeof(opt));
673	opt.def = s->is_initial ? empty_tree_oid_hex(s->repo->hash_algo) : s->reference;
674	setup_revisions(0, NULL, &rev, &opt);
675
676	rev.diffopt.flags.override_submodule_config = 1;
677	rev.diffopt.ita_invisible_in_index = 1;
678	if (s->ignore_submodule_arg) {
679	handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
680	} else {
681	/*
682	* Unless the user did explicitly request a submodule ignore
683	* mode by passing a command line option we do not ignore any
684	* changed submodule SHA-1s when comparing index and HEAD, no
685	* matter what is configured. Otherwise the user won't be
686	* shown any submodules manually added (and which are
687	* staged to be committed), which would be really confusing.
688	*/
689	handle_ignore_submodules_arg(&rev.diffopt, "dirty");
690	}
691
692	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
693	rev.diffopt.format_callback = wt_status_collect_updated_cb;
694	rev.diffopt.format_callback_data = s;
695	rev.diffopt.detect_rename = s->detect_rename >= 0 ? s->detect_rename : rev.diffopt.detect_rename;
696	rev.diffopt.rename_limit = s->rename_limit >= 0 ? s->rename_limit : rev.diffopt.rename_limit;
697	rev.diffopt.rename_score = s->rename_score >= 0 ? s->rename_score : rev.diffopt.rename_score;
698
699	/*
700	* The `recursive` option must be enabled to allow the diff to recurse
701	* into subdirectories of sparse directory index entries. If it is not
702	* enabled, a subdirectory containing file(s) with changes is reported
703	* as "modified", rather than the modified files themselves.
704	*/
705	rev.diffopt.flags.recursive = 1;
706
707	copy_pathspec(&rev.prune_data, &s->pathspec);
708	run_diff_index(&rev, DIFF_INDEX_CACHED);
709	release_revisions(&rev);
710	}
711
712	static int add_file_to_list(const struct object_id *oid,
713	struct strbuf base, const char path,
714	unsigned int mode, void *context)
715	{
716	struct string_list_item *it;
717	struct wt_status_change_data *d;
718	struct wt_status *s = context;
719	struct strbuf full_name = STRBUF_INIT;
720
721	if (S_ISDIR(mode))
722	return READ_TREE_RECURSIVE;
723
724	strbuf_add(&full_name, base->buf, base->len);
725	strbuf_addstr(&full_name, path);
726	it = string_list_insert(&s->change, full_name.buf);
727	d = it->util;
728	if (!d) {
729	CALLOC_ARRAY(d, 1);
730	it->util = d;
731	}
732
733	d->index_status = DIFF_STATUS_ADDED;
734	/* Leave {mode,oid}_head zero for adds. */
735	d->mode_index = mode;
736	oidcpy(&d->oid_index, oid);
737	s->committable = 1;
738	strbuf_release(&full_name);
739	return 0;
740	}
741
742	static void wt_status_collect_changes_initial(struct wt_status *s)
743	{
744	struct index_state *istate = s->repo->index;
745	struct strbuf base = STRBUF_INIT;
746	int i;
747
748	for (i = 0; i < istate->cache_nr; i++) {
749	struct string_list_item *it;
750	struct wt_status_change_data *d;
751	const struct cache_entry *ce = istate->cache[i];
752
753	if (!ce_path_match(istate, ce, &s->pathspec, NULL))
754	continue;
755	if (ce_intent_to_add(ce))
756	continue;
757	if (S_ISSPARSEDIR(ce->ce_mode)) {
758	/*
759	* This is a sparse directory entry, so we want to collect all
760	* of the added files within the tree. This requires recursively
761	* expanding the trees to find the elements that are new in this
762	* tree and marking them with DIFF_STATUS_ADDED.
763	*/
764	struct pathspec ps = { 0 };
765	struct tree *tree = lookup_tree(istate->repo, &ce->oid);
766
767	ps.recursive = 1;
768	ps.has_wildcard = 1;
769	ps.max_depth = -1;
770
771	strbuf_reset(&base);
772	strbuf_add(&base, ce->name, ce->ce_namelen);
773	read_tree_at(istate->repo, tree, &base, 0, &ps,
774	add_file_to_list, s);
775
776	continue;
777	}
778
779	it = string_list_insert(&s->change, ce->name);
780	d = it->util;
781	if (!d) {
782	CALLOC_ARRAY(d, 1);
783	it->util = d;
784	}
785	if (ce_stage(ce)) {
786	d->index_status = DIFF_STATUS_UNMERGED;
787	d->stagemask \|= (1 << (ce_stage(ce) - 1));
788	/*
789	* Don't bother setting {mode,oid}_{head,index} since the print
790	* code will output the stage values directly and not use the
791	* values in these fields.
792	*/
793	s->committable = 1;
794	} else {
795	d->index_status = DIFF_STATUS_ADDED;
796	/* Leave {mode,oid}_head zero for adds. */
797	d->mode_index = ce->ce_mode;
798	oidcpy(&d->oid_index, &ce->oid);
799	s->committable = 1;
800	}
801	}
802
803	strbuf_release(&base);
804	}
805
806	static void wt_status_collect_untracked(struct wt_status *s)
807	{
808	int i;
809	struct dir_struct dir = DIR_INIT;
810	uint64_t t_begin = getnanotime();
811	struct index_state *istate = s->repo->index;
812
813	if (!s->show_untracked_files)
814	return;
815
816	if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
817	dir.flags \|=
818	DIR_SHOW_OTHER_DIRECTORIES \| DIR_HIDE_EMPTY_DIRECTORIES;
819	if (s->show_ignored_mode) {
820	dir.flags \|= DIR_SHOW_IGNORED_TOO;
821
822	if (s->show_ignored_mode == SHOW_MATCHING_IGNORED)
823	dir.flags \|= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
824	} else {
825	dir.untracked = istate->untracked;
826	}
827
828	setup_standard_excludes(&dir);
829
830	fill_directory(&dir, istate, &s->pathspec);
831
832	for (i = 0; i < dir.nr; i++) {
833	struct dir_entry *ent = dir.entries[i];
834	if (index_name_is_other(istate, ent->name, ent->len))
835	string_list_insert(&s->untracked, ent->name);
836	}
837
838	for (i = 0; i < dir.ignored_nr; i++) {
839	struct dir_entry *ent = dir.ignored[i];
840	if (index_name_is_other(istate, ent->name, ent->len))
841	string_list_insert(&s->ignored, ent->name);
842	}
843
844	dir_clear(&dir);
845
846	if (advice_enabled(ADVICE_STATUS_U_OPTION))
847	s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
848	}
849
850	static int has_unmerged(struct wt_status *s)
851	{
852	int i;
853
854	for (i = 0; i < s->change.nr; i++) {
855	struct wt_status_change_data *d;
856	d = s->change.items[i].util;
857	if (d->stagemask)
858	return 1;
859	}
860	return 0;
861	}
862
863	void wt_status_collect(struct wt_status *s)
864	{
865	trace2_region_enter("status", "worktrees", s->repo);
866	wt_status_collect_changes_worktree(s);
867	trace2_region_leave("status", "worktrees", s->repo);
868
869	if (s->is_initial) {
870	trace2_region_enter("status", "initial", s->repo);
871	wt_status_collect_changes_initial(s);
872	trace2_region_leave("status", "initial", s->repo);
873	} else {
874	trace2_region_enter("status", "index", s->repo);
875	wt_status_collect_changes_index(s);
876	trace2_region_leave("status", "index", s->repo);
877	}
878
879	trace2_region_enter("status", "untracked", s->repo);
880	wt_status_collect_untracked(s);
881	trace2_region_leave("status", "untracked", s->repo);
882
883	wt_status_get_state(s->repo, &s->state, s->branch && !strcmp(s->branch, "HEAD"));
884	if (s->state.merge_in_progress && !has_unmerged(s))
885	s->committable = 1;
886	}
887
888	void wt_status_collect_free_buffers(struct wt_status *s)
889	{
890	wt_status_state_free_buffers(&s->state);
891	}
892
893	void wt_status_state_free_buffers(struct wt_status_state *state)
894	{
895	FREE_AND_NULL(state->branch);
896	FREE_AND_NULL(state->onto);
897	FREE_AND_NULL(state->detached_from);
898	FREE_AND_NULL(state->bisecting_from);
899	}
900
901	static void wt_longstatus_print_unmerged(struct wt_status *s)
902	{
903	int shown_header = 0;
904	int i;
905
906	for (i = 0; i < s->change.nr; i++) {
907	struct wt_status_change_data *d;
908	struct string_list_item *it;
909	it = &(s->change.items[i]);
910	d = it->util;
911	if (!d->stagemask)
912	continue;
913	if (!shown_header) {
914	wt_longstatus_print_unmerged_header(s);
915	shown_header = 1;
916	}
917	wt_longstatus_print_unmerged_data(s, it);
918	}
919	if (shown_header)
920	wt_longstatus_print_trailer(s);
921
922	}
923
924	static void wt_longstatus_print_updated(struct wt_status *s)
925	{
926	int shown_header = 0;
927	int i;
928
929	for (i = 0; i < s->change.nr; i++) {
930	struct wt_status_change_data *d;
931	struct string_list_item *it;
932	it = &(s->change.items[i]);
933	d = it->util;
934	if (!d->index_status \|\|
935	d->index_status == DIFF_STATUS_UNMERGED)
936	continue;
937	if (!shown_header) {
938	wt_longstatus_print_cached_header(s);
939	shown_header = 1;
940	}
941	wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
942	}
943	if (shown_header)
944	wt_longstatus_print_trailer(s);
945	}
946
947	/*
948	* -1 : has delete
949	* 0 : no change
950	* 1 : some change but no delete
951	*/
952	static int wt_status_check_worktree_changes(struct wt_status *s,
953	int *dirty_submodules)
954	{
955	int i;
956	int changes = 0;
957
958	*dirty_submodules = 0;
959
960	for (i = 0; i < s->change.nr; i++) {
961	struct wt_status_change_data *d;
962	d = s->change.items[i].util;
963	if (!d->worktree_status \|\|
964	d->worktree_status == DIFF_STATUS_UNMERGED)
965	continue;
966	if (!changes)
967	changes = 1;
968	if (d->dirty_submodule)
969	*dirty_submodules = 1;
970	if (d->worktree_status == DIFF_STATUS_DELETED)
971	changes = -1;
972	}
973	return changes;
974	}
975
976	static void wt_longstatus_print_changed(struct wt_status *s)
977	{
978	int i, dirty_submodules;
979	int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
980
981	if (!worktree_changes)
982	return;
983
984	wt_longstatus_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
985
986	for (i = 0; i < s->change.nr; i++) {
987	struct wt_status_change_data *d;
988	struct string_list_item *it;
989	it = &(s->change.items[i]);
990	d = it->util;
991	if (!d->worktree_status \|\|
992	d->worktree_status == DIFF_STATUS_UNMERGED)
993	continue;
994	wt_longstatus_print_change_data(s, WT_STATUS_CHANGED, it);
995	}
996	wt_longstatus_print_trailer(s);
997	}
998
999	static int stash_count_refs(const char *refname UNUSED,
1000	struct object_id *ooid UNUSED,
1001	struct object_id *noid UNUSED,
1002	const char *email UNUSED,
1003	timestamp_t timestamp UNUSED, int tz UNUSED,
1004	const char message UNUSED, void cb_data)
1005	{
1006	int *c = cb_data;
1007	(*c)++;
1008	return 0;
1009	}
1010
1011	static int count_stash_entries(struct repository *r)
1012	{
1013	int n = 0;
1014	refs_for_each_reflog_ent(get_main_ref_store(r),
1015	"refs/stash", stash_count_refs, &n);
1016	return n;
1017	}
1018
1019	static void wt_longstatus_print_stash_summary(struct wt_status *s)
1020	{
1021	int stash_count = count_stash_entries(s->repo);
1022
1023	if (stash_count > 0)
1024	status_printf_ln(s, GIT_COLOR_NORMAL,
1025	Q_("Your stash currently has %d entry",
1026	"Your stash currently has %d entries", stash_count),
1027	stash_count);
1028	}
1029
1030	static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncommitted)
1031	{
1032	struct child_process sm_summary = CHILD_PROCESS_INIT;
1033	struct strbuf cmd_stdout = STRBUF_INIT;
1034	struct strbuf summary = STRBUF_INIT;
1035	char *summary_content;
1036
1037	strvec_pushf(&sm_summary.env, "GIT_INDEX_FILE=%s", s->index_file);
1038
1039	strvec_push(&sm_summary.args, "submodule");
1040	strvec_push(&sm_summary.args, "summary");
1041	strvec_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
1042	strvec_push(&sm_summary.args, "--for-status");
1043	strvec_push(&sm_summary.args, "--summary-limit");
1044	strvec_pushf(&sm_summary.args, "%d", s->submodule_summary);
1045	if (!uncommitted)
1046	strvec_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
1047
1048	sm_summary.git_cmd = 1;
1049	sm_summary.no_stdin = 1;
1050
1051	capture_command(&sm_summary, &cmd_stdout, 1024);
1052
1053	/* prepend header, only if there's an actual output */
1054	if (cmd_stdout.len) {
1055	if (uncommitted)
1056	strbuf_addstr(&summary, _("Submodules changed but not updated:"));
1057	else
1058	strbuf_addstr(&summary, _("Submodule changes to be committed:"));
1059	strbuf_addstr(&summary, "\n\n");
1060	}
1061	strbuf_addbuf(&summary, &cmd_stdout);
1062	strbuf_release(&cmd_stdout);
1063
1064	if (s->display_comment_prefix) {
1065	size_t len;
1066	summary_content = strbuf_detach(&summary, &len);
1067	strbuf_add_commented_lines(&summary, summary_content, len, comment_line_str);
1068	free(summary_content);
1069	}
1070
1071	fputs(summary.buf, s->fp);
1072	strbuf_release(&summary);
1073	}
1074
1075	static void wt_longstatus_print_other(struct wt_status *s,
1076	struct string_list *l,
1077	const char *what,
1078	const char *how)
1079	{
1080	int i;
1081	struct strbuf buf = STRBUF_INIT;
1082	static struct string_list output = STRING_LIST_INIT_DUP;
1083	struct column_options copts;
1084
1085	if (!l->nr)
1086	return;
1087
1088	wt_longstatus_print_other_header(s, what, how);
1089
1090	for (i = 0; i < l->nr; i++) {
1091	struct string_list_item *it;
1092	const char *path;
1093	it = &(l->items[i]);
1094	path = quote_path(it->string, s->prefix, &buf, 0);
1095	if (column_active(s->colopts)) {
1096	string_list_append(&output, path);
1097	continue;
1098	}
1099	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
1100	status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
1101	"%s\n", path);
1102	}
1103
1104	strbuf_release(&buf);
1105	if (!column_active(s->colopts))
1106	goto conclude;
1107
1108	strbuf_addf(&buf, "%s%s\t%s",
1109	color(WT_STATUS_HEADER, s),
1110	s->display_comment_prefix ? "#" : "",
1111	color(WT_STATUS_UNTRACKED, s));
1112	memset(&copts, 0, sizeof(copts));
1113	copts.padding = 1;
1114	copts.indent = buf.buf;
1115	if (want_color(s->use_color))
1116	copts.nl = GIT_COLOR_RESET "\n";
1117	print_columns(&output, s->colopts, &copts);
1118	string_list_clear(&output, 0);
1119	strbuf_release(&buf);
1120	conclude:
1121	status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1122	}
1123
1124	size_t wt_status_locate_end(const char *s, size_t len)
1125	{
1126	const char *p;
1127	struct strbuf pattern = STRBUF_INIT;
1128
1129	strbuf_addf(&pattern, "\n%s %s", comment_line_str, cut_line);
1130	if (starts_with(s, pattern.buf + 1))
1131	len = 0;
1132	else if ((p = strstr(s, pattern.buf))) {
1133	size_t newlen = p - s + 1;
1134	if (newlen < len)
1135	len = newlen;
1136	}
1137	strbuf_release(&pattern);
1138	return len;
1139	}
1140
1141	void wt_status_append_cut_line(struct strbuf *buf)
1142	{
1143	const char *explanation = _("Do not modify or remove the line above.\nEverything below it will be ignored.");
1144
1145	strbuf_commented_addf(buf, comment_line_str, "%s", cut_line);
1146	strbuf_add_commented_lines(buf, explanation, strlen(explanation), comment_line_str);
1147	}
1148
1149	void wt_status_add_cut_line(struct wt_status *s)
1150	{
1151	struct strbuf buf = STRBUF_INIT;
1152
1153	if (s->added_cut_line)
1154	return;
1155	s->added_cut_line = 1;
1156	wt_status_append_cut_line(&buf);
1157	fputs(buf.buf, s->fp);
1158	strbuf_release(&buf);
1159	}
1160
1161	static void wt_longstatus_print_verbose(struct wt_status *s)
1162	{
1163	struct rev_info rev;
1164	struct setup_revision_opt opt;
1165	int dirty_submodules;
1166	const char *c = color(WT_STATUS_HEADER, s);
1167
1168	repo_init_revisions(s->repo, &rev, NULL);
1169	rev.diffopt.flags.allow_textconv = 1;
1170	rev.diffopt.ita_invisible_in_index = 1;
1171
1172	memset(&opt, 0, sizeof(opt));
1173	opt.def = s->is_initial ? empty_tree_oid_hex(s->repo->hash_algo) : s->reference;
1174	setup_revisions(0, NULL, &rev, &opt);
1175
1176	rev.diffopt.output_format \|= DIFF_FORMAT_PATCH;
1177	rev.diffopt.detect_rename = s->detect_rename >= 0 ? s->detect_rename : rev.diffopt.detect_rename;
1178	rev.diffopt.rename_limit = s->rename_limit >= 0 ? s->rename_limit : rev.diffopt.rename_limit;
1179	rev.diffopt.rename_score = s->rename_score >= 0 ? s->rename_score : rev.diffopt.rename_score;
1180	rev.diffopt.file = s->fp;
1181	rev.diffopt.close_file = 0;
1182	/*
1183	* If we're not going to stdout, then we definitely don't
1184	* want color, since we are going to the commit message
1185	* file (and even the "auto" setting won't work, since it
1186	* will have checked isatty on stdout). But we then do want
1187	* to insert the scissor line here to reliably remove the
1188	* diff before committing, if we didn't already include one
1189	* before.
1190	*/
1191	if (s->fp != stdout) {
1192	rev.diffopt.use_color = GIT_COLOR_NEVER;
1193	wt_status_add_cut_line(s);
1194	}
1195	if (s->verbose > 1 && s->committable) {
1196	/* print_updated() printed a header, so do we */
1197	if (s->fp != stdout)
1198	wt_longstatus_print_trailer(s);
1199	status_printf_ln(s, c, _("Changes to be committed:"));
1200	rev.diffopt.a_prefix = "c/";
1201	rev.diffopt.b_prefix = "i/";
1202	} /* else use prefix as per user config */
1203	run_diff_index(&rev, DIFF_INDEX_CACHED);
1204	if (s->verbose > 1 &&
1205	wt_status_check_worktree_changes(s, &dirty_submodules)) {
1206	status_printf_ln(s, c,
1207	"--------------------------------------------------");
1208	status_printf_ln(s, c, _("Changes not staged for commit:"));
1209	setup_work_tree(the_repository);
1210	rev.diffopt.a_prefix = "i/";
1211	rev.diffopt.b_prefix = "w/";
1212	run_diff_files(&rev, 0);
1213	}
1214	release_revisions(&rev);
1215	}
1216
1217	static void wt_longstatus_print_tracking(struct wt_status *s)
1218	{
1219	struct strbuf sb = STRBUF_INIT;
1220	const char cp, ep, *branch_name;
1221	struct branch *branch;
1222	uint64_t t_begin = 0;
1223
1224	assert(s->branch && !s->is_initial);
1225	if (!skip_prefix(s->branch, "refs/heads/", &branch_name))
1226	return;
1227	branch = branch_get(branch_name);
1228
1229	t_begin = getnanotime();
1230
1231	if (!format_tracking_info(branch, &sb, s->ahead_behind_flags,
1232	!s->commit_template))
1233	return;
1234
1235	if (advice_enabled(ADVICE_STATUS_AHEAD_BEHIND_WARNING) &&
1236	s->ahead_behind_flags == AHEAD_BEHIND_FULL) {
1237	uint64_t t_delta_in_ms = (getnanotime() - t_begin) / 1000000;
1238	if (t_delta_in_ms > AB_DELAY_WARNING_IN_MS) {
1239	strbuf_addf(&sb, _("\n"
1240	"It took %.2f seconds to compute the branch ahead/behind values.\n"
1241	"You can use '--no-ahead-behind' to avoid this.\n"),
1242	t_delta_in_ms / 1000.0);
1243	}
1244	}
1245
1246	for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
1247	color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
1248	"%s%s%.*s",
1249	s->display_comment_prefix ? comment_line_str : "",
1250	s->display_comment_prefix ? " " : "",
1251	(int)(ep - cp), cp);
1252	if (s->display_comment_prefix)
1253	color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%s",
1254	comment_line_str);
1255	else
1256	fputs("\n", s->fp);
1257	strbuf_release(&sb);
1258	}
1259
1260	static int uf_was_slow(struct wt_status *s)
1261	{
1262	if (getenv("GIT_TEST_UF_DELAY_WARNING"))
1263	s->untracked_in_ms = 3250;
1264	return UF_DELAY_WARNING_IN_MS < s->untracked_in_ms;
1265	}
1266
1267	static void show_merge_in_progress(struct wt_status *s,
1268	const char *color)
1269	{
1270	if (has_unmerged(s)) {
1271	status_printf_ln(s, color, _("You have unmerged paths."));
1272	if (s->hints) {
1273	status_printf_ln(s, color,
1274	_(" (fix conflicts and run \"git commit\")"));
1275	status_printf_ln(s, color,
1276	_(" (use \"git merge --abort\" to abort the merge)"));
1277	}
1278	} else {
1279	status_printf_ln(s, color,
1280	_("All conflicts fixed but you are still merging."));
1281	if (s->hints)
1282	status_printf_ln(s, color,
1283	_(" (use \"git commit\" to conclude merge)"));
1284	}
1285	wt_longstatus_print_trailer(s);
1286	}
1287
1288	static void show_am_in_progress(struct wt_status *s,
1289	const char *color)
1290	{
1291	int am_empty_patch;
1292
1293	status_printf_ln(s, color,
1294	_("You are in the middle of an am session."));
1295	if (s->state.am_empty_patch)
1296	status_printf_ln(s, color,
1297	_("The current patch is empty."));
1298	if (s->hints) {
1299	am_empty_patch = s->state.am_empty_patch;
1300	if (!am_empty_patch)
1301	status_printf_ln(s, color,
1302	_(" (fix conflicts and then run \"git am --continue\")"));
1303	status_printf_ln(s, color,
1304	_(" (use \"git am --skip\" to skip this patch)"));
1305	if (am_empty_patch)
1306	status_printf_ln(s, color,
1307	_(" (use \"git am --allow-empty\" to record this patch as an empty commit)"));
1308	status_printf_ln(s, color,
1309	_(" (use \"git am --abort\" to restore the original branch)"));
1310	}
1311	wt_longstatus_print_trailer(s);
1312	}
1313
1314	static char read_line_from_git_path(struct repository r, const char *filename)
1315	{
1316	struct strbuf buf = STRBUF_INIT;
1317	FILE *fp = fopen_or_warn(repo_git_path_append(r, &buf,
1318	"%s", filename), "r");
1319
1320	if (!fp) {
1321	strbuf_release(&buf);
1322	return NULL;
1323	}
1324	strbuf_getline_lf(&buf, fp);
1325	if (!fclose(fp)) {
1326	return strbuf_detach(&buf, NULL);
1327	} else {
1328	strbuf_release(&buf);
1329	return NULL;
1330	}
1331	}
1332
1333	static int split_commit_in_progress(struct wt_status *s)
1334	{
1335	int split_in_progress = 0;
1336	struct object_id head_oid, orig_head_oid;
1337	char rebase_amend, rebase_orig_head;
1338	int head_flags, orig_head_flags;
1339
1340	if ((!s->amend && !s->nowarn && !s->workdir_dirty) \|\|
1341	!s->branch \|\| strcmp(s->branch, "HEAD"))
1342	return 0;
1343
1344	if (refs_read_ref_full(get_main_ref_store(s->repo), "HEAD", RESOLVE_REF_READING \| RESOLVE_REF_NO_RECURSE,
1345	&head_oid, &head_flags) \|\|
1346	refs_read_ref_full(get_main_ref_store(s->repo), "ORIG_HEAD", RESOLVE_REF_READING \| RESOLVE_REF_NO_RECURSE,
1347	&orig_head_oid, &orig_head_flags))
1348	return 0;
1349	if (head_flags & REF_ISSYMREF \|\| orig_head_flags & REF_ISSYMREF)
1350	return 0;
1351
1352	rebase_amend = read_line_from_git_path(s->repo, "rebase-merge/amend");
1353	rebase_orig_head = read_line_from_git_path(s->repo, "rebase-merge/orig-head");
1354
1355	if (!rebase_amend \|\| !rebase_orig_head)
1356	; /* fall through, no split in progress */
1357	else if (!strcmp(rebase_amend, rebase_orig_head))
1358	split_in_progress = !!strcmp(oid_to_hex(&head_oid), rebase_amend);
1359	else if (strcmp(oid_to_hex(&orig_head_oid), rebase_orig_head))
1360	split_in_progress = 1;
1361
1362	free(rebase_amend);
1363	free(rebase_orig_head);
1364
1365	return split_in_progress;
1366	}
1367
1368	/*
1369	* Turn
1370	* "pick d6a2f0303e897ec257dd0e0a39a5ccb709bc2047 some message"
1371	* into
1372	* "pick d6a2f03 some message"
1373	*
1374	* The function assumes that the line does not contain useless spaces
1375	* before or after the command.
1376	*/
1377	static void abbrev_oid_in_line(struct repository r, struct strbuf line)
1378	{
1379	struct string_list split = STRING_LIST_INIT_DUP;
1380	struct object_id oid;
1381
1382	if (starts_with(line->buf, "exec ") \|\|
1383	starts_with(line->buf, "x ") \|\|
1384	starts_with(line->buf, "label ") \|\|
1385	starts_with(line->buf, "l "))
1386	return;
1387
1388	if ((2 <= string_list_split(&split, line->buf, " ", 2)) &&
1389	!repo_get_oid(r, split.items[1].string, &oid)) {
1390	strbuf_reset(line);
1391	strbuf_addf(line, "%s ", split.items[0].string);
1392	strbuf_add_unique_abbrev(line, &oid, DEFAULT_ABBREV);
1393	for (size_t i = 2; i < split.nr; i++)
1394	strbuf_addf(line, " %s", split.items[i].string);
1395	}
1396	string_list_clear(&split, 0);
1397	}
1398
1399	static int read_rebase_todolist(struct repository r, const char fname, struct string_list *lines)
1400	{
1401	struct strbuf buf = STRBUF_INIT;
1402	FILE *f = fopen(repo_git_path_append(r, &buf, "%s", fname), "r");
1403	int ret;
1404
1405	if (!f) {
1406	if (errno == ENOENT) {
1407	ret = -1;
1408	goto out;
1409	}
1410	die_errno("Could not open file %s for reading",
1411	repo_git_path_replace(r, &buf, "%s", fname));
1412	}
1413	while (!strbuf_getline_lf(&buf, f)) {
1414	if (starts_with(buf.buf, comment_line_str))
1415	continue;
1416	strbuf_trim(&buf);
1417	if (!buf.len)
1418	continue;
1419	abbrev_oid_in_line(r, &buf);
1420	string_list_append(lines, buf.buf);
1421	}
1422	fclose(f);
1423
1424	ret = 0;
1425	out:
1426	strbuf_release(&buf);
1427	return ret;
1428	}
1429
1430	static void show_rebase_information(struct wt_status *s,
1431	const char *color)
1432	{
1433	if (s->state.rebase_interactive_in_progress) {
1434	int i;
1435	int nr_lines_to_show = 2;
1436
1437	struct string_list have_done = STRING_LIST_INIT_DUP;
1438	struct string_list yet_to_do = STRING_LIST_INIT_DUP;
1439
1440	read_rebase_todolist(s->repo, "rebase-merge/done", &have_done);
1441	if (read_rebase_todolist(s->repo, "rebase-merge/git-rebase-todo",
1442	&yet_to_do))
1443	status_printf_ln(s, color,
1444	_("git-rebase-todo is missing."));
1445	if (have_done.nr == 0)
1446	status_printf_ln(s, color, _("No commands done."));
1447	else {
1448	status_printf_ln(s, color,
1449	Q_("Last command done (%"PRIuMAX" command done):",
1450	"Last commands done (%"PRIuMAX" commands done):",
1451	have_done.nr),
1452	(uintmax_t)have_done.nr);
1453	for (i = (have_done.nr > nr_lines_to_show)
1454	? have_done.nr - nr_lines_to_show : 0;
1455	i < have_done.nr;
1456	i++)
1457	status_printf_ln(s, color, " %s", have_done.items[i].string);
1458	if (have_done.nr > nr_lines_to_show && s->hints) {
1459	char *path = repo_git_path(s->repo, "rebase-merge/done");
1460	status_printf_ln(s, color,
1461	_(" (see more in file %s)"), path);
1462	free(path);
1463	}
1464	}
1465
1466	if (yet_to_do.nr == 0)
1467	status_printf_ln(s, color,
1468	_("No commands remaining."));
1469	else {
1470	status_printf_ln(s, color,
1471	Q_("Next command to do (%"PRIuMAX" remaining command):",
1472	"Next commands to do (%"PRIuMAX" remaining commands):",
1473	yet_to_do.nr),
1474	(uintmax_t)yet_to_do.nr);
1475	for (i = 0; i < nr_lines_to_show && i < yet_to_do.nr; i++)
1476	status_printf_ln(s, color, " %s", yet_to_do.items[i].string);
1477	if (s->hints)
1478	status_printf_ln(s, color,
1479	_(" (use \"git rebase --edit-todo\" to view and edit)"));
1480	}
1481	string_list_clear(&yet_to_do, 0);
1482	string_list_clear(&have_done, 0);
1483	}
1484	}
1485
1486	static void print_rebase_state(struct wt_status *s,
1487	const char *color)
1488	{
1489	if (s->state.branch)
1490	status_printf_ln(s, color,
1491	_("You are currently rebasing branch '%s' on '%s'."),
1492	s->state.branch,
1493	s->state.onto);
1494	else
1495	status_printf_ln(s, color,
1496	_("You are currently rebasing."));
1497	}
1498
1499	static void show_rebase_in_progress(struct wt_status *s,
1500	const char *color)
1501	{
1502	struct stat st;
1503
1504	show_rebase_information(s, color);
1505	if (has_unmerged(s)) {
1506	print_rebase_state(s, color);
1507	if (s->hints) {
1508	status_printf_ln(s, color,
1509	_(" (fix conflicts and then run \"git rebase --continue\")"));
1510	status_printf_ln(s, color,
1511	_(" (use \"git rebase --skip\" to skip this patch)"));
1512	status_printf_ln(s, color,
1513	_(" (use \"git rebase --abort\" to check out the original branch)"));
1514	}
1515	} else if (s->state.rebase_in_progress \|\|
1516	!stat(git_path_merge_msg(s->repo), &st)) {
1517	print_rebase_state(s, color);
1518	if (s->hints)
1519	status_printf_ln(s, color,
1520	_(" (all conflicts fixed: run \"git rebase --continue\")"));
1521	} else if (split_commit_in_progress(s)) {
1522	if (s->state.branch)
1523	status_printf_ln(s, color,
1524	_("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1525	s->state.branch,
1526	s->state.onto);
1527	else
1528	status_printf_ln(s, color,
1529	_("You are currently splitting a commit during a rebase."));
1530	if (s->hints)
1531	status_printf_ln(s, color,
1532	_(" (Once your working directory is clean, run \"git rebase --continue\")"));
1533	} else {
1534	if (s->state.branch)
1535	status_printf_ln(s, color,
1536	_("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1537	s->state.branch,
1538	s->state.onto);
1539	else
1540	status_printf_ln(s, color,
1541	_("You are currently editing a commit during a rebase."));
1542	if (s->hints && !s->amend) {
1543	status_printf_ln(s, color,
1544	_(" (use \"git commit --amend\" to amend the current commit)"));
1545	status_printf_ln(s, color,
1546	_(" (use \"git rebase --continue\" once you are satisfied with your changes)"));
1547	}
1548	}
1549	wt_longstatus_print_trailer(s);
1550	}
1551
1552	static void show_cherry_pick_in_progress(struct wt_status *s,
1553	const char *color)
1554	{
1555	if (is_null_oid(&s->state.cherry_pick_head_oid))
1556	status_printf_ln(s, color,
1557	_("Cherry-pick currently in progress."));
1558	else
1559	status_printf_ln(s, color,
1560	_("You are currently cherry-picking commit %s."),
1561	repo_find_unique_abbrev(s->repo, &s->state.cherry_pick_head_oid,
1562	DEFAULT_ABBREV));
1563
1564	if (s->hints) {
1565	if (has_unmerged(s))
1566	status_printf_ln(s, color,
1567	_(" (fix conflicts and run \"git cherry-pick --continue\")"));
1568	else if (is_null_oid(&s->state.cherry_pick_head_oid))
1569	status_printf_ln(s, color,
1570	_(" (run \"git cherry-pick --continue\" to continue)"));
1571	else
1572	status_printf_ln(s, color,
1573	_(" (all conflicts fixed: run \"git cherry-pick --continue\")"));
1574	status_printf_ln(s, color,
1575	_(" (use \"git cherry-pick --skip\" to skip this patch)"));
1576	status_printf_ln(s, color,
1577	_(" (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1578	}
1579	wt_longstatus_print_trailer(s);
1580	}
1581
1582	static void show_revert_in_progress(struct wt_status *s,
1583	const char *color)
1584	{
1585	if (is_null_oid(&s->state.revert_head_oid))
1586	status_printf_ln(s, color,
1587	_("Revert currently in progress."));
1588	else
1589	status_printf_ln(s, color,
1590	_("You are currently reverting commit %s."),
1591	repo_find_unique_abbrev(s->repo, &s->state.revert_head_oid,
1592	DEFAULT_ABBREV));
1593	if (s->hints) {
1594	if (has_unmerged(s))
1595	status_printf_ln(s, color,
1596	_(" (fix conflicts and run \"git revert --continue\")"));
1597	else if (is_null_oid(&s->state.revert_head_oid))
1598	status_printf_ln(s, color,
1599	_(" (run \"git revert --continue\" to continue)"));
1600	else
1601	status_printf_ln(s, color,
1602	_(" (all conflicts fixed: run \"git revert --continue\")"));
1603	status_printf_ln(s, color,
1604	_(" (use \"git revert --skip\" to skip this patch)"));
1605	status_printf_ln(s, color,
1606	_(" (use \"git revert --abort\" to cancel the revert operation)"));
1607	}
1608	wt_longstatus_print_trailer(s);
1609	}
1610
1611	static void show_bisect_in_progress(struct wt_status *s,
1612	const char *color)
1613	{
1614	if (s->state.bisecting_from)
1615	status_printf_ln(s, color,
1616	_("You are currently bisecting, started from branch '%s'."),
1617	s->state.bisecting_from);
1618	else
1619	status_printf_ln(s, color,
1620	_("You are currently bisecting."));
1621	if (s->hints)
1622	status_printf_ln(s, color,
1623	_(" (use \"git bisect reset\" to get back to the original branch)"));
1624	wt_longstatus_print_trailer(s);
1625	}
1626
1627	static void show_sparse_checkout_in_use(struct wt_status *s,
1628	const char *color)
1629	{
1630	if (s->state.sparse_checkout_percentage == SPARSE_CHECKOUT_DISABLED)
1631	return;
1632
1633	if (s->state.sparse_checkout_percentage == SPARSE_CHECKOUT_SPARSE_INDEX)
1634	status_printf_ln(s, color, _("You are in a sparse checkout."));
1635	else
1636	status_printf_ln(s, color,
1637	_("You are in a sparse checkout with %d%% of tracked files present."),
1638	s->state.sparse_checkout_percentage);
1639	wt_longstatus_print_trailer(s);
1640	}
1641
1642	/*
1643	* Extract branch information from rebase/bisect
1644	*/
1645	static char get_branch(const struct worktree wt, const char *path)
1646	{
1647	struct strbuf sb = STRBUF_INIT;
1648	struct object_id oid;
1649	const char *branch_name;
1650
1651	if (strbuf_read_file(&sb, worktree_git_path(wt, "%s", path), 0) <= 0)
1652	goto got_nothing;
1653
1654	while (sb.len && sb.buf[sb.len - 1] == '\n')
1655	strbuf_setlen(&sb, sb.len - 1);
1656	if (!sb.len)
1657	goto got_nothing;
1658	if (skip_prefix(sb.buf, "refs/heads/", &branch_name))
1659	strbuf_remove(&sb, 0, branch_name - sb.buf);
1660	else if (starts_with(sb.buf, "refs/"))
1661	;
1662	else if (!get_oid_hex(sb.buf, &oid)) {
1663	strbuf_reset(&sb);
1664	strbuf_add_unique_abbrev(&sb, &oid, DEFAULT_ABBREV);
1665	} else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1666	goto got_nothing;
1667	else /* bisect */
1668	;
1669	return strbuf_detach(&sb, NULL);
1670
1671	got_nothing:
1672	strbuf_release(&sb);
1673	return NULL;
1674	}
1675
1676	struct grab_1st_switch_cbdata {
1677	struct strbuf buf;
1678	struct object_id noid;
1679	};
1680
1681	static int grab_1st_switch(const char *refname UNUSED,
1682	struct object_id *ooid UNUSED,
1683	struct object_id *noid,
1684	const char *email UNUSED,
1685	timestamp_t timestamp UNUSED, int tz UNUSED,
1686	const char message, void cb_data)
1687	{
1688	struct grab_1st_switch_cbdata *cb = cb_data;
1689	const char target = NULL, end;
1690
1691	if (!skip_prefix(message, "checkout: moving from ", &message))
1692	return 0;
1693	target = strstr(message, " to ");
1694	if (!target)
1695	return 0;
1696	target += strlen(" to ");
1697	strbuf_reset(&cb->buf);
1698	oidcpy(&cb->noid, noid);
1699	end = strchrnul(target, '\n');
1700	strbuf_add(&cb->buf, target, end - target);
1701	if (!strcmp(cb->buf.buf, "HEAD")) {
1702	/* HEAD is relative. Resolve it to the right reflog entry. */
1703	strbuf_reset(&cb->buf);
1704	strbuf_add_unique_abbrev(&cb->buf, noid, DEFAULT_ABBREV);
1705	}
1706	return 1;
1707	}
1708
1709	static void wt_status_get_detached_from(struct repository *r,
1710	struct wt_status_state *state)
1711	{
1712	struct grab_1st_switch_cbdata cb;
1713	struct commit *commit;
1714	struct object_id oid;
1715	char *ref = NULL;
1716
1717	strbuf_init(&cb.buf, 0);
1718	if (refs_for_each_reflog_ent_reverse(get_main_ref_store(r), "HEAD", grab_1st_switch, &cb) <= 0) {
1719	strbuf_release(&cb.buf);
1720	return;
1721	}
1722
1723	if (repo_dwim_ref(r, cb.buf.buf, cb.buf.len, &oid, &ref,
1724	1) == 1 &&
1725	/* oid is a commit? match without further lookup */
1726	(oideq(&cb.noid, &oid) \|\|
1727	/* perhaps oid is a tag, try to dereference to a commit */
1728	((commit = lookup_commit_reference_gently(r, &oid, 1)) != NULL &&
1729	oideq(&cb.noid, &commit->object.oid)))) {
1730	const char *from = ref;
1731	if (!skip_prefix(from, "refs/tags/", &from))
1732	skip_prefix(from, "refs/remotes/", &from);
1733	state->detached_from = xstrdup(from);
1734	} else
1735	state->detached_from =
1736	xstrdup(repo_find_unique_abbrev(r, &cb.noid, DEFAULT_ABBREV));
1737	oidcpy(&state->detached_oid, &cb.noid);
1738	state->detached_at = !repo_get_oid(r, "HEAD", &oid) &&
1739	oideq(&oid, &state->detached_oid);
1740
1741	free(ref);
1742	strbuf_release(&cb.buf);
1743	}
1744
1745	int wt_status_check_rebase(const struct worktree *wt,
1746	struct wt_status_state *state)
1747	{
1748	struct stat st;
1749
1750	if (!wt)
1751	BUG("wt_status_check_rebase() called with NULL worktree");
1752
1753	if (!stat(worktree_git_path(wt, "rebase-apply"), &st)) {
1754	if (!stat(worktree_git_path(wt, "rebase-apply/applying"), &st)) {
1755	state->am_in_progress = 1;
1756	if (!stat(worktree_git_path(wt, "rebase-apply/patch"), &st) && !st.st_size)
1757	state->am_empty_patch = 1;
1758	} else {
1759	state->rebase_in_progress = 1;
1760	state->branch = get_branch(wt, "rebase-apply/head-name");
1761	state->onto = get_branch(wt, "rebase-apply/onto");
1762	}
1763	} else if (!stat(worktree_git_path(wt, "rebase-merge"), &st)) {
1764	if (!stat(worktree_git_path(wt, "rebase-merge/interactive"), &st))
1765	state->rebase_interactive_in_progress = 1;
1766	else
1767	state->rebase_in_progress = 1;
1768	state->branch = get_branch(wt, "rebase-merge/head-name");
1769	state->onto = get_branch(wt, "rebase-merge/onto");
1770	} else
1771	return 0;
1772	return 1;
1773	}
1774
1775	int wt_status_check_bisect(const struct worktree *wt,
1776	struct wt_status_state *state)
1777	{
1778	struct stat st;
1779
1780	if (!wt)
1781	BUG("wt_status_check_bisect() called with NULL worktree");
1782
1783	if (!stat(worktree_git_path(wt, "BISECT_LOG"), &st)) {
1784	state->bisect_in_progress = 1;
1785	state->bisecting_from = get_branch(wt, "BISECT_START");
1786	return 1;
1787	}
1788	return 0;
1789	}
1790
1791	static void wt_status_check_sparse_checkout(struct repository *r,
1792	struct wt_status_state *state)
1793	{
1794	int skip_worktree = 0;
1795	int i;
1796	struct repo_config_values *cfg = repo_config_values(the_repository);
1797
1798	if (!cfg->apply_sparse_checkout \|\|
1799	r->index->cache_nr == 0) {
1800	/*
1801	* Don't compute percentage of checked out files if we
1802	* aren't in a sparse checkout or would get division by 0.
1803	*/
1804	state->sparse_checkout_percentage = SPARSE_CHECKOUT_DISABLED;
1805	return;
1806	}
1807
1808	if (r->index->sparse_index) {
1809	state->sparse_checkout_percentage = SPARSE_CHECKOUT_SPARSE_INDEX;
1810	return;
1811	}
1812
1813	for (i = 0; i < r->index->cache_nr; i++) {
1814	struct cache_entry *ce = r->index->cache[i];
1815	if (ce_skip_worktree(ce))
1816	skip_worktree++;
1817	}
1818
1819	state->sparse_checkout_percentage =
1820	100 - (100 * skip_worktree)/r->index->cache_nr;
1821	}
1822
1823	void wt_status_get_state(struct repository *r,
1824	struct wt_status_state *state,
1825	int get_detached_from)
1826	{
1827	struct stat st;
1828	struct object_id oid;
1829	enum replay_action action;
1830	struct worktree *wt = get_current_worktree(r);
1831
1832	if (!stat(git_path_merge_head(r), &st)) {
1833	wt_status_check_rebase(wt, state);
1834	state->merge_in_progress = 1;
1835	} else if (wt_status_check_rebase(wt, state)) {
1836	; /* all set */
1837	} else if (refs_ref_exists(get_main_ref_store(r), "CHERRY_PICK_HEAD") &&
1838	!repo_get_oid(r, "CHERRY_PICK_HEAD", &oid)) {
1839	state->cherry_pick_in_progress = 1;
1840	oidcpy(&state->cherry_pick_head_oid, &oid);
1841	}
1842	wt_status_check_bisect(wt, state);
1843	if (refs_ref_exists(get_main_ref_store(r), "REVERT_HEAD") &&
1844	!repo_get_oid(r, "REVERT_HEAD", &oid)) {
1845	state->revert_in_progress = 1;
1846	oidcpy(&state->revert_head_oid, &oid);
1847	}
1848	if (!sequencer_get_last_command(r, &action)) {
1849	if (action == REPLAY_PICK && !state->cherry_pick_in_progress) {
1850	state->cherry_pick_in_progress = 1;
1851	oidcpy(&state->cherry_pick_head_oid, null_oid(r->hash_algo));
1852	} else if (action == REPLAY_REVERT && !state->revert_in_progress) {
1853	state->revert_in_progress = 1;
1854	oidcpy(&state->revert_head_oid, null_oid(r->hash_algo));
1855	}
1856	}
1857	if (get_detached_from)
1858	wt_status_get_detached_from(r, state);
1859	wt_status_check_sparse_checkout(r, state);
1860
1861	free_worktree(wt);
1862	}
1863
1864	static void wt_longstatus_print_state(struct wt_status *s)
1865	{
1866	const char *state_color = color(WT_STATUS_HEADER, s);
1867	struct wt_status_state *state = &s->state;
1868
1869	if (state->merge_in_progress) {
1870	if (state->rebase_interactive_in_progress) {
1871	show_rebase_information(s, state_color);
1872	fputs("\n", s->fp);
1873	}
1874	show_merge_in_progress(s, state_color);
1875	} else if (state->am_in_progress)
1876	show_am_in_progress(s, state_color);
1877	else if (state->rebase_in_progress \|\| state->rebase_interactive_in_progress)
1878	show_rebase_in_progress(s, state_color);
1879	else if (state->cherry_pick_in_progress)
1880	show_cherry_pick_in_progress(s, state_color);
1881	else if (state->revert_in_progress)
1882	show_revert_in_progress(s, state_color);
1883	if (state->bisect_in_progress)
1884	show_bisect_in_progress(s, state_color);
1885
1886	if (state->sparse_checkout_percentage != SPARSE_CHECKOUT_DISABLED)
1887	show_sparse_checkout_in_use(s, state_color);
1888	}
1889
1890	static void wt_longstatus_print(struct wt_status *s)
1891	{
1892	const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1893	const char *branch_status_color = color(WT_STATUS_HEADER, s);
1894	enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(s->repo);
1895
1896	if (s->branch) {
1897	const char *on_what = _("On branch ");
1898	const char *branch_name = s->branch;
1899	if (!strcmp(branch_name, "HEAD")) {
1900	branch_status_color = color(WT_STATUS_NOBRANCH, s);
1901	if (s->state.rebase_in_progress \|\|
1902	s->state.rebase_interactive_in_progress) {
1903	if (s->state.rebase_interactive_in_progress)
1904	on_what = _("interactive rebase in progress; onto ");
1905	else
1906	on_what = _("rebase in progress; onto ");
1907	branch_name = s->state.onto;
1908	} else if (s->state.detached_from) {
1909	branch_name = s->state.detached_from;
1910	if (s->state.detached_at)
1911	on_what = _("HEAD detached at ");
1912	else
1913	on_what = _("HEAD detached from ");
1914	} else {
1915	branch_name = "";
1916	on_what = _("Not currently on any branch.");
1917	}
1918	} else
1919	skip_prefix(branch_name, "refs/heads/", &branch_name);
1920	status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1921	status_printf_more(s, branch_status_color, "%s", on_what);
1922	status_printf_more(s, branch_color, "%s\n", branch_name);
1923	if (!s->is_initial)
1924	wt_longstatus_print_tracking(s);
1925	}
1926
1927	wt_longstatus_print_state(s);
1928
1929	if (s->is_initial) {
1930	status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1931	status_printf_ln(s, color(WT_STATUS_HEADER, s),
1932	s->commit_template
1933	? _("Initial commit")
1934	: _("No commits yet"));
1935	status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1936	}
1937
1938	wt_longstatus_print_updated(s);
1939	wt_longstatus_print_unmerged(s);
1940	wt_longstatus_print_changed(s);
1941	if (s->submodule_summary &&
1942	(!s->ignore_submodule_arg \|\|
1943	strcmp(s->ignore_submodule_arg, "all"))) {
1944	wt_longstatus_print_submodule_summary(s, 0); /* staged */
1945	wt_longstatus_print_submodule_summary(s, 1); /* unstaged */
1946	}
1947	if (s->show_untracked_files) {
1948	wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
1949	if (s->show_ignored_mode)
1950	wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1951	if (advice_enabled(ADVICE_STATUS_U_OPTION) && uf_was_slow(s)) {
1952	status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1953	if (fsm_mode > FSMONITOR_MODE_DISABLED) {
1954	status_printf_ln(s, GIT_COLOR_NORMAL,
1955	_("It took %.2f seconds to enumerate untracked files,\n"
1956	"but the results were cached, and subsequent runs may be faster."),
1957	s->untracked_in_ms / 1000.0);
1958	} else {
1959	status_printf_ln(s, GIT_COLOR_NORMAL,
1960	_("It took %.2f seconds to enumerate untracked files."),
1961	s->untracked_in_ms / 1000.0);
1962	}
1963	status_printf_ln(s, GIT_COLOR_NORMAL,
1964	_("See 'git help status' for information on how to improve this."));
1965	status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1966	}
1967	} else if (s->committable)
1968	status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1969	s->hints
1970	? _(" (use -u option to show untracked files)") : "");
1971
1972	if (s->verbose)
1973	wt_longstatus_print_verbose(s);
1974	if (!s->committable) {
1975	if (s->amend)
1976	status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1977	else if (s->nowarn)
1978	; /* nothing */
1979	else if (s->workdir_dirty) {
1980	if (s->hints)
1981	fprintf(s->fp, _("no changes added to commit "
1982	"(use \"git add\" and/or "
1983	"\"git commit -a\")\n"));
1984	else
1985	fprintf(s->fp, _("no changes added to "
1986	"commit\n"));
1987	} else if (s->untracked.nr) {
1988	if (s->hints)
1989	fprintf(s->fp, _("nothing added to commit but "
1990	"untracked files present (use "
1991	"\"git add\" to track)\n"));
1992	else
1993	fprintf(s->fp, _("nothing added to commit but "
1994	"untracked files present\n"));
1995	} else if (s->is_initial) {
1996	if (s->hints)
1997	fprintf(s->fp, _("nothing to commit (create/"
1998	"copy files and use \"git "
1999	"add\" to track)\n"));
2000	else
2001	fprintf(s->fp, _("nothing to commit\n"));
2002	} else if (!s->show_untracked_files) {
2003	if (s->hints)
2004	fprintf(s->fp, _("nothing to commit (use -u to "
2005	"show untracked files)\n"));
2006	else
2007	fprintf(s->fp, _("nothing to commit\n"));
2008	} else
2009	fprintf(s->fp, _("nothing to commit, working tree "
2010	"clean\n"));
2011	}
2012	if(s->show_stash)
2013	wt_longstatus_print_stash_summary(s);
2014	}
2015
2016	static void wt_shortstatus_unmerged(struct string_list_item *it,
2017	struct wt_status *s)
2018	{
2019	struct wt_status_change_data *d = it->util;
2020	const char *how = "??";
2021
2022	switch (d->stagemask) {
2023	case 1: how = "DD"; break; /* both deleted */
2024	case 2: how = "AU"; break; /* added by us */
2025	case 3: how = "UD"; break; /* deleted by them */
2026	case 4: how = "UA"; break; /* added by them */
2027	case 5: how = "DU"; break; /* deleted by us */
2028	case 6: how = "AA"; break; /* both added */
2029	case 7: how = "UU"; break; /* both modified */
2030	}
2031	color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
2032	if (s->null_termination) {
2033	fprintf(s->fp, " %s%c", it->string, 0);
2034	} else {
2035	struct strbuf onebuf = STRBUF_INIT;
2036	const char *one;
2037	one = quote_path(it->string, s->prefix, &onebuf, QUOTE_PATH_QUOTE_SP);
2038	fprintf(s->fp, " %s\n", one);
2039	strbuf_release(&onebuf);
2040	}
2041	}
2042
2043	static void wt_shortstatus_status(struct string_list_item *it,
2044	struct wt_status *s)
2045	{
2046	struct wt_status_change_data *d = it->util;
2047
2048	if (d->index_status)
2049	color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
2050	else
2051	fputc(' ', s->fp);
2052	if (d->worktree_status)
2053	color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
2054	else
2055	fputc(' ', s->fp);
2056	fputc(' ', s->fp);
2057	if (s->null_termination) {
2058	fprintf(s->fp, "%s%c", it->string, 0);
2059	if (d->rename_source)
2060	fprintf(s->fp, "%s%c", d->rename_source, 0);
2061	} else {
2062	struct strbuf onebuf = STRBUF_INIT;
2063	const char *one;
2064
2065	if (d->rename_source) {
2066	one = quote_path(d->rename_source, s->prefix, &onebuf,
2067	QUOTE_PATH_QUOTE_SP);
2068	fprintf(s->fp, "%s -> ", one);
2069	strbuf_release(&onebuf);
2070	}
2071	one = quote_path(it->string, s->prefix, &onebuf, QUOTE_PATH_QUOTE_SP);
2072	fprintf(s->fp, "%s\n", one);
2073	strbuf_release(&onebuf);
2074	}
2075	}
2076
2077	static void wt_shortstatus_other(struct string_list_item *it,
2078	struct wt_status s, const char sign)
2079	{
2080	color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
2081	if (s->null_termination) {
2082	fprintf(s->fp, " %s%c", it->string, 0);
2083	} else {
2084	struct strbuf onebuf = STRBUF_INIT;
2085	const char *one;
2086	one = quote_path(it->string, s->prefix, &onebuf, QUOTE_PATH_QUOTE_SP);
2087	fprintf(s->fp, " %s\n", one);
2088	strbuf_release(&onebuf);
2089	}
2090	}
2091
2092	static void wt_shortstatus_print_tracking(struct wt_status *s)
2093	{
2094	struct branch *branch;
2095	const char *header_color = color(WT_STATUS_HEADER, s);
2096	const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
2097	const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
2098
2099	const char *base;
2100	char *short_base;
2101	const char *branch_name;
2102	int num_ours, num_theirs, sti;
2103	int upstream_is_gone = 0;
2104
2105	color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
2106
2107	if (!s->branch)
2108	return;
2109	branch_name = s->branch;
2110
2111	#define LABEL(string) (s->no_gettext ? (string) : _(string))
2112
2113	if (s->is_initial)
2114	color_fprintf(s->fp, header_color, LABEL(N_("No commits yet on ")));
2115
2116	if (!strcmp(s->branch, "HEAD")) {
2117	color_fprintf(s->fp, color(WT_STATUS_NOBRANCH, s), "%s",
2118	LABEL(N_("HEAD (no branch)")));
2119	goto conclude;
2120	}
2121
2122	skip_prefix(branch_name, "refs/heads/", &branch_name);
2123
2124	branch = branch_get(branch_name);
2125
2126	color_fprintf(s->fp, branch_color_local, "%s", branch_name);
2127
2128	sti = stat_tracking_info(branch, &num_ours, &num_theirs, &base,
2129	0, s->ahead_behind_flags);
2130	if (sti < 0) {
2131	if (!base)
2132	goto conclude;
2133
2134	upstream_is_gone = 1;
2135	}
2136
2137	short_base = refs_shorten_unambiguous_ref(get_main_ref_store(s->repo),
2138	base, 0);
2139	color_fprintf(s->fp, header_color, "...");
2140	color_fprintf(s->fp, branch_color_remote, "%s", short_base);
2141	free(short_base);
2142
2143	if (!upstream_is_gone && !sti)
2144	goto conclude;
2145
2146	color_fprintf(s->fp, header_color, " [");
2147	if (upstream_is_gone) {
2148	color_fprintf(s->fp, header_color, LABEL(N_("gone")));
2149	} else if (s->ahead_behind_flags == AHEAD_BEHIND_QUICK) {
2150	color_fprintf(s->fp, header_color, LABEL(N_("different")));
2151	} else if (!num_ours) {
2152	color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
2153	color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
2154	} else if (!num_theirs) {
2155	color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
2156	color_fprintf(s->fp, branch_color_local, "%d", num_ours);
2157	} else {
2158	color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
2159	color_fprintf(s->fp, branch_color_local, "%d", num_ours);
2160	color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
2161	color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
2162	}
2163
2164	color_fprintf(s->fp, header_color, "]");
2165	conclude:
2166	fputc(s->null_termination ? '\0' : '\n', s->fp);
2167	}
2168
2169	static void wt_shortstatus_print(struct wt_status *s)
2170	{
2171	struct string_list_item *it;
2172
2173	if (s->show_branch)
2174	wt_shortstatus_print_tracking(s);
2175
2176	for_each_string_list_item(it, &s->change) {
2177	struct wt_status_change_data *d = it->util;
2178
2179	if (d->stagemask)
2180	wt_shortstatus_unmerged(it, s);
2181	else
2182	wt_shortstatus_status(it, s);
2183	}
2184	for_each_string_list_item(it, &s->untracked)
2185	wt_shortstatus_other(it, s, "??");
2186
2187	for_each_string_list_item(it, &s->ignored)
2188	wt_shortstatus_other(it, s, "!!");
2189	}
2190
2191	static void wt_porcelain_print(struct wt_status *s)
2192	{
2193	s->use_color = GIT_COLOR_NEVER;
2194	s->relative_paths = 0;
2195	s->prefix = NULL;
2196	s->no_gettext = 1;
2197	wt_shortstatus_print(s);
2198	}
2199
2200	/*
2201	* Print branch information for porcelain v2 output. These lines
2202	* are printed when the '--branch' parameter is given.
2203	*
2204	* # branch.oid <commit><eol>
2205	* # branch.head <head><eol>
2206	* [# branch.upstream <upstream><eol>
2207	* [# branch.ab +<ahead> -<behind><eol>]]
2208	*
2209	* <commit> ::= the current commit hash or the literal
2210	* "(initial)" to indicate an initialized repo
2211	* with no commits.
2212	*
2213	* <head> ::= <branch_name> the current branch name or
2214	* "(detached)" literal when detached head or
2215	* "(unknown)" when something is wrong.
2216	*
2217	* <upstream> ::= the upstream branch name, when set.
2218	*
2219	* <ahead> ::= integer ahead value or '?'.
2220	*
2221	* <behind> ::= integer behind value or '?'.
2222	*
2223	* The end-of-line is defined by the -z flag.
2224	*
2225	* <eol> ::= NUL when -z,
2226	* LF when NOT -z.
2227	*
2228	* When an upstream is set and present, the 'branch.ab' line will
2229	* be printed with the ahead/behind counts for the branch and the
2230	* upstream. When AHEAD_BEHIND_QUICK is requested and the branches
2231	* are different, '?' will be substituted for the actual count.
2232	*/
2233	static void wt_porcelain_v2_print_tracking(struct wt_status *s)
2234	{
2235	struct branch *branch;
2236	const char *base;
2237	const char *branch_name;
2238	int ab_info, nr_ahead, nr_behind;
2239	char eol = s->null_termination ? '\0' : '\n';
2240
2241	fprintf(s->fp, "# branch.oid %s%c",
2242	(s->is_initial ? "(initial)" : oid_to_hex(&s->oid_commit)),
2243	eol);
2244
2245	if (!s->branch)
2246	fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol);
2247	else {
2248	if (!strcmp(s->branch, "HEAD")) {
2249	fprintf(s->fp, "# branch.head %s%c", "(detached)", eol);
2250
2251	if (s->state.rebase_in_progress \|\|
2252	s->state.rebase_interactive_in_progress)
2253	branch_name = s->state.onto;
2254	else if (s->state.detached_from)
2255	branch_name = s->state.detached_from;
2256	else
2257	branch_name = "";
2258	} else {
2259	branch_name = NULL;
2260	skip_prefix(s->branch, "refs/heads/", &branch_name);
2261
2262	fprintf(s->fp, "# branch.head %s%c", branch_name, eol);
2263	}
2264
2265	/* Lookup stats on the upstream tracking branch, if set. */
2266	branch = branch_get(branch_name);
2267	base = NULL;
2268	ab_info = stat_tracking_info(branch, &nr_ahead, &nr_behind,
2269	&base, 0, s->ahead_behind_flags);
2270	if (base) {
2271	base = refs_shorten_unambiguous_ref(get_main_ref_store(s->repo),
2272	base, 0);
2273	fprintf(s->fp, "# branch.upstream %s%c", base, eol);
2274	free((char *)base);
2275
2276	if (ab_info > 0) {
2277	/* different */
2278	if (nr_ahead \|\| nr_behind)
2279	fprintf(s->fp, "# branch.ab +%d -%d%c",
2280	nr_ahead, nr_behind, eol);
2281	else
2282	fprintf(s->fp, "# branch.ab +? -?%c",
2283	eol);
2284	} else if (!ab_info) {
2285	/* same */
2286	fprintf(s->fp, "# branch.ab +0 -0%c", eol);
2287	}
2288	}
2289	}
2290	}
2291
2292	/*
2293	* Print the stash count in a porcelain-friendly format
2294	*/
2295	static void wt_porcelain_v2_print_stash(struct wt_status *s)
2296	{
2297	int stash_count = count_stash_entries(s->repo);
2298	char eol = s->null_termination ? '\0' : '\n';
2299
2300	if (stash_count > 0)
2301	fprintf(s->fp, "# stash %d%c", stash_count, eol);
2302	}
2303
2304	/*
2305	* Convert various submodule status values into a
2306	* fixed-length string of characters in the buffer provided.
2307	*/
2308	static void wt_porcelain_v2_submodule_state(
2309	struct wt_status_change_data *d,
2310	char sub[5])
2311	{
2312	if (S_ISGITLINK(d->mode_head) \|\|
2313	S_ISGITLINK(d->mode_index) \|\|
2314	S_ISGITLINK(d->mode_worktree)) {
2315	sub[0] = 'S';
2316	sub[1] = d->new_submodule_commits ? 'C' : '.';
2317	sub[2] = (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED) ? 'M' : '.';
2318	sub[3] = (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) ? 'U' : '.';
2319	} else {
2320	sub[0] = 'N';
2321	sub[1] = '.';
2322	sub[2] = '.';
2323	sub[3] = '.';
2324	}
2325	sub[4] = 0;
2326	}
2327
2328	/*
2329	* Fix-up changed entries before we print them.
2330	*/
2331	static void wt_porcelain_v2_fix_up_changed(struct string_list_item *it)
2332	{
2333	struct wt_status_change_data *d = it->util;
2334
2335	if (!d->index_status) {
2336	/*
2337	* This entry is unchanged in the index (relative to the head).
2338	* Therefore, the collect_updated_cb was never called for this
2339	* entry (during the head-vs-index scan) and so the head column
2340	* fields were never set.
2341	*
2342	* We must have data for the index column (from the
2343	* index-vs-worktree scan (otherwise, this entry should not be
2344	* in the list of changes)).
2345	*
2346	* Copy index column fields to the head column, so that our
2347	* output looks complete.
2348	*/
2349	assert(d->mode_head == 0);
2350	d->mode_head = d->mode_index;
2351	oidcpy(&d->oid_head, &d->oid_index);
2352	}
2353
2354	if (!d->worktree_status) {
2355	/*
2356	* This entry is unchanged in the worktree (relative to the index).
2357	* Therefore, the collect_changed_cb was never called for this entry
2358	* (during the index-vs-worktree scan) and so the worktree column
2359	* fields were never set.
2360	*
2361	* We must have data for the index column (from the head-vs-index
2362	* scan).
2363	*
2364	* Copy the index column fields to the worktree column so that
2365	* our output looks complete.
2366	*
2367	* Note that we only have a mode field in the worktree column
2368	* because the scan code tries really hard to not have to compute it.
2369	*/
2370	assert(d->mode_worktree == 0);
2371	d->mode_worktree = d->mode_index;
2372	}
2373	}
2374
2375	/*
2376	* Print porcelain v2 info for tracked entries with changes.
2377	*/
2378	static void wt_porcelain_v2_print_changed_entry(
2379	struct string_list_item *it,
2380	struct wt_status *s)
2381	{
2382	struct wt_status_change_data *d = it->util;
2383	struct strbuf buf = STRBUF_INIT;
2384	struct strbuf buf_from = STRBUF_INIT;
2385	const char *path = NULL;
2386	const char *path_from = NULL;
2387	char key[3];
2388	char submodule_token[5];
2389	char sep_char, eol_char;
2390
2391	wt_porcelain_v2_fix_up_changed(it);
2392	wt_porcelain_v2_submodule_state(d, submodule_token);
2393
2394	key[0] = d->index_status ? d->index_status : '.';
2395	key[1] = d->worktree_status ? d->worktree_status : '.';
2396	key[2] = 0;
2397
2398	if (s->null_termination) {
2399	/*
2400	* In -z mode, we DO NOT C-quote pathnames. Current path is ALWAYS first.
2401	* A single NUL character separates them.
2402	*/
2403	sep_char = '\0';
2404	eol_char = '\0';
2405	path = it->string;
2406	path_from = d->rename_source;
2407	} else {
2408	/*
2409	* Path(s) are C-quoted if necessary. Current path is ALWAYS first.
2410	* The source path is only present when necessary.
2411	* A single TAB separates them (because paths can contain spaces
2412	* which are not escaped and C-quoting does escape TAB characters).
2413	*/
2414	sep_char = '\t';
2415	eol_char = '\n';
2416	path = quote_path(it->string, s->prefix, &buf, 0);
2417	if (d->rename_source)
2418	path_from = quote_path(d->rename_source, s->prefix, &buf_from, 0);
2419	}
2420
2421	if (path_from)
2422	fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c",
2423	key, submodule_token,
2424	d->mode_head, d->mode_index, d->mode_worktree,
2425	oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2426	d->rename_status, d->rename_score,
2427	path, sep_char, path_from, eol_char);
2428	else
2429	fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c",
2430	key, submodule_token,
2431	d->mode_head, d->mode_index, d->mode_worktree,
2432	oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2433	path, eol_char);
2434
2435	strbuf_release(&buf);
2436	strbuf_release(&buf_from);
2437	}
2438
2439	/*
2440	* Print porcelain v2 status info for unmerged entries.
2441	*/
2442	static void wt_porcelain_v2_print_unmerged_entry(
2443	struct string_list_item *it,
2444	struct wt_status *s)
2445	{
2446	struct wt_status_change_data *d = it->util;
2447	struct index_state *istate = s->repo->index;
2448	const struct cache_entry *ce;
2449	struct strbuf buf_index = STRBUF_INIT;
2450	const char *path_index = NULL;
2451	int pos, stage, sum;
2452	struct {
2453	int mode;
2454	struct object_id oid;
2455	} stages[3];
2456	const char *key;
2457	char submodule_token[5];
2458	char unmerged_prefix = 'u';
2459	char eol_char = s->null_termination ? '\0' : '\n';
2460
2461	wt_porcelain_v2_submodule_state(d, submodule_token);
2462
2463	switch (d->stagemask) {
2464	case 1: key = "DD"; break; /* both deleted */
2465	case 2: key = "AU"; break; /* added by us */
2466	case 3: key = "UD"; break; /* deleted by them */
2467	case 4: key = "UA"; break; /* added by them */
2468	case 5: key = "DU"; break; /* deleted by us */
2469	case 6: key = "AA"; break; /* both added */
2470	case 7: key = "UU"; break; /* both modified */
2471	default:
2472	BUG("unhandled unmerged status %x", d->stagemask);
2473	}
2474
2475	/*
2476	* Disregard d.aux.porcelain_v2 data that we accumulated
2477	* for the head and index columns during the scans and
2478	* replace with the actual stage data.
2479	*
2480	* Note that this is a last-one-wins for each the individual
2481	* stage [123] columns in the event of multiple cache entries
2482	* for same stage.
2483	*/
2484	memset(stages, 0, sizeof(stages));
2485	sum = 0;
2486	pos = index_name_pos(istate, it->string, strlen(it->string));
2487	assert(pos < 0);
2488	pos = -pos-1;
2489	while (pos < istate->cache_nr) {
2490	ce = istate->cache[pos++];
2491	stage = ce_stage(ce);
2492	if (strcmp(ce->name, it->string) \|\| !stage)
2493	break;
2494	stages[stage - 1].mode = ce->ce_mode;
2495	oidcpy(&stages[stage - 1].oid, &ce->oid);
2496	sum \|= (1 << (stage - 1));
2497	}
2498	if (sum != d->stagemask)
2499	BUG("observed stagemask 0x%x != expected stagemask 0x%x", sum, d->stagemask);
2500
2501	if (s->null_termination)
2502	path_index = it->string;
2503	else
2504	path_index = quote_path(it->string, s->prefix, &buf_index, 0);
2505
2506	fprintf(s->fp, "%c %s %s %06o %06o %06o %06o %s %s %s %s%c",
2507	unmerged_prefix, key, submodule_token,
2508	stages[0].mode, /* stage 1 */
2509	stages[1].mode, /* stage 2 */
2510	stages[2].mode, /* stage 3 */
2511	d->mode_worktree,
2512	oid_to_hex(&stages[0].oid), /* stage 1 */
2513	oid_to_hex(&stages[1].oid), /* stage 2 */
2514	oid_to_hex(&stages[2].oid), /* stage 3 */
2515	path_index,
2516	eol_char);
2517
2518	strbuf_release(&buf_index);
2519	}
2520
2521	/*
2522	* Print porcelain V2 status info for untracked and ignored entries.
2523	*/
2524	static void wt_porcelain_v2_print_other(
2525	struct string_list_item *it,
2526	struct wt_status *s,
2527	char prefix)
2528	{
2529	struct strbuf buf = STRBUF_INIT;
2530	const char *path;
2531	char eol_char;
2532
2533	if (s->null_termination) {
2534	path = it->string;
2535	eol_char = '\0';
2536	} else {
2537	path = quote_path(it->string, s->prefix, &buf, 0);
2538	eol_char = '\n';
2539	}
2540
2541	fprintf(s->fp, "%c %s%c", prefix, path, eol_char);
2542
2543	strbuf_release(&buf);
2544	}
2545
2546	/*
2547	* Print porcelain V2 status.
2548	*
2549	* [<v2_branch>]
2550	* [<v2_changed_items>]*
2551	* [<v2_unmerged_items>]*
2552	* [<v2_untracked_items>]*
2553	* [<v2_ignored_items>]*
2554	*
2555	*/
2556	static void wt_porcelain_v2_print(struct wt_status *s)
2557	{
2558	struct wt_status_change_data *d;
2559	struct string_list_item *it;
2560	int i;
2561
2562	if (s->show_branch)
2563	wt_porcelain_v2_print_tracking(s);
2564
2565	if (s->show_stash)
2566	wt_porcelain_v2_print_stash(s);
2567
2568	for (i = 0; i < s->change.nr; i++) {
2569	it = &(s->change.items[i]);
2570	d = it->util;
2571	if (!d->stagemask)
2572	wt_porcelain_v2_print_changed_entry(it, s);
2573	}
2574
2575	for (i = 0; i < s->change.nr; i++) {
2576	it = &(s->change.items[i]);
2577	d = it->util;
2578	if (d->stagemask)
2579	wt_porcelain_v2_print_unmerged_entry(it, s);
2580	}
2581
2582	for (i = 0; i < s->untracked.nr; i++) {
2583	it = &(s->untracked.items[i]);
2584	wt_porcelain_v2_print_other(it, s, '?');
2585	}
2586
2587	for (i = 0; i < s->ignored.nr; i++) {
2588	it = &(s->ignored.items[i]);
2589	wt_porcelain_v2_print_other(it, s, '!');
2590	}
2591	}
2592
2593	void wt_status_print(struct wt_status *s)
2594	{
2595	trace2_data_intmax("status", s->repo, "count/changed", s->change.nr);
2596	trace2_data_intmax("status", s->repo, "count/untracked",
2597	s->untracked.nr);
2598	trace2_data_intmax("status", s->repo, "count/ignored", s->ignored.nr);
2599
2600	trace2_region_enter("status", "print", s->repo);
2601
2602	switch (s->status_format) {
2603	case STATUS_FORMAT_SHORT:
2604	wt_shortstatus_print(s);
2605	break;
2606	case STATUS_FORMAT_PORCELAIN:
2607	wt_porcelain_print(s);
2608	break;
2609	case STATUS_FORMAT_PORCELAIN_V2:
2610	wt_porcelain_v2_print(s);
2611	break;
2612	case STATUS_FORMAT_UNSPECIFIED:
2613	BUG("finalize_deferred_config() should have been called");
2614	break;
2615	case STATUS_FORMAT_NONE:
2616	case STATUS_FORMAT_LONG:
2617	wt_longstatus_print(s);
2618	break;
2619	}
2620
2621	trace2_region_leave("status", "print", s->repo);
2622	}
2623
2624	/**
2625	* Returns 1 if there are unstaged changes, 0 otherwise.
2626	*/
2627	int has_unstaged_changes(struct repository *r, int ignore_submodules)
2628	{
2629	struct rev_info rev_info;
2630	int result;
2631
2632	repo_init_revisions(r, &rev_info, NULL);
2633	if (ignore_submodules) {
2634	rev_info.diffopt.flags.ignore_submodules = 1;
2635	rev_info.diffopt.flags.override_submodule_config = 1;
2636	}
2637	rev_info.diffopt.flags.quick = 1;
2638	diff_setup_done(&rev_info.diffopt);
2639	run_diff_files(&rev_info, 0);
2640	result = diff_result_code(&rev_info);
2641	release_revisions(&rev_info);
2642	return result;
2643	}
2644
2645	/**
2646	* Returns 1 if there are uncommitted changes, 0 otherwise.
2647	*/
2648	int has_uncommitted_changes(struct repository *r,
2649	int ignore_submodules)
2650	{
2651	struct rev_info rev_info;
2652	int result;
2653
2654	if (is_index_unborn(r->index))
2655	return 0;
2656
2657	repo_init_revisions(r, &rev_info, NULL);
2658	if (ignore_submodules)
2659	rev_info.diffopt.flags.ignore_submodules = 1;
2660	rev_info.diffopt.flags.quick = 1;
2661
2662	add_head_to_pending(&rev_info);
2663	if (!rev_info.pending.nr) {
2664	/*
2665	* We have no head (or it's corrupt); use the empty tree,
2666	* which will complain if the index is non-empty.
2667	*/
2668	struct tree *tree = lookup_tree(r, r->hash_algo->empty_tree);
2669	add_pending_object(&rev_info, &tree->object, "");
2670	}
2671
2672	diff_setup_done(&rev_info.diffopt);
2673	run_diff_index(&rev_info, DIFF_INDEX_CACHED);
2674	result = diff_result_code(&rev_info);
2675	release_revisions(&rev_info);
2676	return result;
2677	}
2678
2679	/**
2680	* If the work tree has unstaged or uncommitted changes, dies with the
2681	* appropriate message.
2682	*/
2683	int require_clean_work_tree(struct repository *r,
2684	const char *action,
2685	const char *hint,
2686	int ignore_submodules,
2687	int gently)
2688	{
2689	struct lock_file lock_file = LOCK_INIT;
2690	int err = 0, fd;
2691
2692	fd = repo_hold_locked_index(r, &lock_file, 0);
2693	refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL);
2694	if (0 <= fd)
2695	repo_update_index_if_able(r, &lock_file);
2696	rollback_lock_file(&lock_file);
2697
2698	if (has_unstaged_changes(r, ignore_submodules)) {
2699	/* TRANSLATORS: the action is e.g. "pull with rebase" */
2700	error(_("cannot %s: You have unstaged changes."), _(action));
2701	err = 1;
2702	}
2703
2704	if (has_uncommitted_changes(r, ignore_submodules)) {
2705	if (err)
2706	error(_("additionally, your index contains uncommitted changes."));
2707	else
2708	error(_("cannot %s: Your index contains uncommitted changes."),
2709	_(action));
2710	err = 1;
2711	}
2712
2713	if (err) {
2714	if (hint) {
2715	if (!*hint)
2716	BUG("empty hint passed to require_clean_work_tree();"
2717	" use NULL instead");
2718	error("%s", hint);
2719	}
2720	if (!gently)
2721	exit(128);
2722	}
2723
2724	return err;
2725	}