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git-compat-util: introduce skip_to_optional_arg()
[git.git] / wt-status.c
blobef26f0744632fdcca919e68ffc58bf414b29e597
1 #include "cache.h"
2 #include "wt-status.h"
3 #include "object.h"
4 #include "dir.h"
5 #include "commit.h"
6 #include "diff.h"
7 #include "revision.h"
8 #include "diffcore.h"
9 #include "quote.h"
10 #include "run-command.h"
11 #include "argv-array.h"
12 #include "remote.h"
13 #include "refs.h"
14 #include "submodule.h"
15 #include "column.h"
16 #include "strbuf.h"
17 #include "utf8.h"
18 #include "worktree.h"
19 #include "lockfile.h"
20
21 static const char cut_line[] =
22 "------------------------ >8 ------------------------\n";
23
24 static char default_wt_status_colors[][COLOR_MAXLEN] = {
25 GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
26 GIT_COLOR_GREEN, /* WT_STATUS_UPDATED */
27 GIT_COLOR_RED, /* WT_STATUS_CHANGED */
28 GIT_COLOR_RED, /* WT_STATUS_UNTRACKED */
29 GIT_COLOR_RED, /* WT_STATUS_NOBRANCH */
30 GIT_COLOR_RED, /* WT_STATUS_UNMERGED */
31 GIT_COLOR_GREEN, /* WT_STATUS_LOCAL_BRANCH */
32 GIT_COLOR_RED, /* WT_STATUS_REMOTE_BRANCH */
33 GIT_COLOR_NIL, /* WT_STATUS_ONBRANCH */
34 };
35
36 static const char *color(int slot, struct wt_status *s)
37 {
38 const char *c = "";
39 if (want_color(s->use_color))
40 c = s->color_palette[slot];
41 if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
42 c = s->color_palette[WT_STATUS_HEADER];
43 return c;
44 }
45
46 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
47 const char *fmt, va_list ap, const char *trail)
48 {
49 struct strbuf sb = STRBUF_INIT;
50 struct strbuf linebuf = STRBUF_INIT;
51 const char *line, *eol;
52
53 strbuf_vaddf(&sb, fmt, ap);
54 if (!sb.len) {
55 if (s->display_comment_prefix) {
56 strbuf_addch(&sb, comment_line_char);
57 if (!trail)
58 strbuf_addch(&sb, ' ');
59 }
60 color_print_strbuf(s->fp, color, &sb);
61 if (trail)
62 fprintf(s->fp, "%s", trail);
63 strbuf_release(&sb);
64 return;
65 }
66 for (line = sb.buf; *line; line = eol + 1) {
67 eol = strchr(line, '\n');
68
69 strbuf_reset(&linebuf);
70 if (at_bol && s->display_comment_prefix) {
71 strbuf_addch(&linebuf, comment_line_char);
72 if (*line != '\n' && *line != '\t')
73 strbuf_addch(&linebuf, ' ');
74 }
75 if (eol)
76 strbuf_add(&linebuf, line, eol - line);
77 else
78 strbuf_addstr(&linebuf, line);
79 color_print_strbuf(s->fp, color, &linebuf);
80 if (eol)
81 fprintf(s->fp, "\n");
82 else
83 break;
84 at_bol = 1;
85 }
86 if (trail)
87 fprintf(s->fp, "%s", trail);
88 strbuf_release(&linebuf);
89 strbuf_release(&sb);
90 }
91
92 void status_printf_ln(struct wt_status *s, const char *color,
93 const char *fmt, ...)
94 {
95 va_list ap;
96
97 va_start(ap, fmt);
98 status_vprintf(s, 1, color, fmt, ap, "\n");
99 va_end(ap);
100 }
101
102 void status_printf(struct wt_status *s, const char *color,
103 const char *fmt, ...)
104 {
105 va_list ap;
106
107 va_start(ap, fmt);
108 status_vprintf(s, 1, color, fmt, ap, NULL);
109 va_end(ap);
110 }
111
112 static void status_printf_more(struct wt_status *s, const char *color,
113 const char *fmt, ...)
114 {
115 va_list ap;
116
117 va_start(ap, fmt);
118 status_vprintf(s, 0, color, fmt, ap, NULL);
119 va_end(ap);
120 }
121
122 void wt_status_prepare(struct wt_status *s)
123 {
124 memset(s, 0, sizeof(*s));
125 memcpy(s->color_palette, default_wt_status_colors,
126 sizeof(default_wt_status_colors));
127 s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
128 s->use_color = -1;
129 s->relative_paths = 1;
130 s->branch = resolve_refdup("HEAD", 0, NULL, NULL);
131 s->reference = "HEAD";
132 s->fp = stdout;
133 s->index_file = get_index_file();
134 s->change.strdup_strings = 1;
135 s->untracked.strdup_strings = 1;
136 s->ignored.strdup_strings = 1;
137 s->show_branch = -1; /* unspecified */
138 s->show_stash = 0;
139 s->display_comment_prefix = 0;
140 }
141
142 static void wt_longstatus_print_unmerged_header(struct wt_status *s)
143 {
144 int i;
145 int del_mod_conflict = 0;
146 int both_deleted = 0;
147 int not_deleted = 0;
148 const char *c = color(WT_STATUS_HEADER, s);
149
150 status_printf_ln(s, c, _("Unmerged paths:"));
151
152 for (i = 0; i < s->change.nr; i++) {
153 struct string_list_item *it = &(s->change.items[i]);
154 struct wt_status_change_data *d = it->util;
155
156 switch (d->stagemask) {
157 case 0:
158 break;
159 case 1:
160 both_deleted = 1;
161 break;
162 case 3:
163 case 5:
164 del_mod_conflict = 1;
165 break;
166 default:
167 not_deleted = 1;
168 break;
169 }
170 }
171
172 if (!s->hints)
173 return;
174 if (s->whence != FROM_COMMIT)
175 ;
176 else if (!s->is_initial)
177 status_printf_ln(s, c, _(" (use \"git reset %s <file>...\" to unstage)"), s->reference);
178 else
179 status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
180
181 if (!both_deleted) {
182 if (!del_mod_conflict)
183 status_printf_ln(s, c, _(" (use \"git add <file>...\" to mark resolution)"));
184 else
185 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
186 } else if (!del_mod_conflict && !not_deleted) {
187 status_printf_ln(s, c, _(" (use \"git rm <file>...\" to mark resolution)"));
188 } else {
189 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
190 }
191 status_printf_ln(s, c, "%s", "");
192 }
193
194 static void wt_longstatus_print_cached_header(struct wt_status *s)
195 {
196 const char *c = color(WT_STATUS_HEADER, s);
197
198 status_printf_ln(s, c, _("Changes to be committed:"));
199 if (!s->hints)
200 return;
201 if (s->whence != FROM_COMMIT)
202 ; /* NEEDSWORK: use "git reset --unresolve"??? */
203 else if (!s->is_initial)
204 status_printf_ln(s, c, _(" (use \"git reset %s <file>...\" to unstage)"), s->reference);
205 else
206 status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
207 status_printf_ln(s, c, "%s", "");
208 }
209
210 static void wt_longstatus_print_dirty_header(struct wt_status *s,
211 int has_deleted,
212 int has_dirty_submodules)
213 {
214 const char *c = color(WT_STATUS_HEADER, s);
215
216 status_printf_ln(s, c, _("Changes not staged for commit:"));
217 if (!s->hints)
218 return;
219 if (!has_deleted)
220 status_printf_ln(s, c, _(" (use \"git add <file>...\" to update what will be committed)"));
221 else
222 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" to update what will be committed)"));
223 status_printf_ln(s, c, _(" (use \"git checkout -- <file>...\" to discard changes in working directory)"));
224 if (has_dirty_submodules)
225 status_printf_ln(s, c, _(" (commit or discard the untracked or modified content in submodules)"));
226 status_printf_ln(s, c, "%s", "");
227 }
228
229 static void wt_longstatus_print_other_header(struct wt_status *s,
230 const char *what,
231 const char *how)
232 {
233 const char *c = color(WT_STATUS_HEADER, s);
234 status_printf_ln(s, c, "%s:", what);
235 if (!s->hints)
236 return;
237 status_printf_ln(s, c, _(" (use \"git %s <file>...\" to include in what will be committed)"), how);
238 status_printf_ln(s, c, "%s", "");
239 }
240
241 static void wt_longstatus_print_trailer(struct wt_status *s)
242 {
243 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
244 }
245
246 #define quote_path quote_path_relative
247
248 static const char *wt_status_unmerged_status_string(int stagemask)
249 {
250 switch (stagemask) {
251 case 1:
252 return _("both deleted:");
253 case 2:
254 return _("added by us:");
255 case 3:
256 return _("deleted by them:");
257 case 4:
258 return _("added by them:");
259 case 5:
260 return _("deleted by us:");
261 case 6:
262 return _("both added:");
263 case 7:
264 return _("both modified:");
265 default:
266 die("BUG: unhandled unmerged status %x", stagemask);
267 }
268 }
269
270 static const char *wt_status_diff_status_string(int status)
271 {
272 switch (status) {
273 case DIFF_STATUS_ADDED:
274 return _("new file:");
275 case DIFF_STATUS_COPIED:
276 return _("copied:");
277 case DIFF_STATUS_DELETED:
278 return _("deleted:");
279 case DIFF_STATUS_MODIFIED:
280 return _("modified:");
281 case DIFF_STATUS_RENAMED:
282 return _("renamed:");
283 case DIFF_STATUS_TYPE_CHANGED:
284 return _("typechange:");
285 case DIFF_STATUS_UNKNOWN:
286 return _("unknown:");
287 case DIFF_STATUS_UNMERGED:
288 return _("unmerged:");
289 default:
290 return NULL;
291 }
292 }
293
294 static int maxwidth(const char *(*label)(int), int minval, int maxval)
295 {
296 int result = 0, i;
297
298 for (i = minval; i <= maxval; i++) {
299 const char *s = label(i);
300 int len = s ? utf8_strwidth(s) : 0;
301 if (len > result)
302 result = len;
303 }
304 return result;
305 }
306
307 static void wt_longstatus_print_unmerged_data(struct wt_status *s,
308 struct string_list_item *it)
309 {
310 const char *c = color(WT_STATUS_UNMERGED, s);
311 struct wt_status_change_data *d = it->util;
312 struct strbuf onebuf = STRBUF_INIT;
313 static char *padding;
314 static int label_width;
315 const char *one, *how;
316 int len;
317
318 if (!padding) {
319 label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
320 label_width += strlen(" ");
321 padding = xmallocz(label_width);
322 memset(padding, ' ', label_width);
323 }
324
325 one = quote_path(it->string, s->prefix, &onebuf);
326 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
327
328 how = wt_status_unmerged_status_string(d->stagemask);
329 len = label_width - utf8_strwidth(how);
330 status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
331 strbuf_release(&onebuf);
332 }
333
334 static void wt_longstatus_print_change_data(struct wt_status *s,
335 int change_type,
336 struct string_list_item *it)
337 {
338 struct wt_status_change_data *d = it->util;
339 const char *c = color(change_type, s);
340 int status;
341 char *one_name;
342 char *two_name;
343 const char *one, *two;
344 struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
345 struct strbuf extra = STRBUF_INIT;
346 static char *padding;
347 static int label_width;
348 const char *what;
349 int len;
350
351 if (!padding) {
352 /* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
353 label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
354 label_width += strlen(" ");
355 padding = xmallocz(label_width);
356 memset(padding, ' ', label_width);
357 }
358
359 one_name = two_name = it->string;
360 switch (change_type) {
361 case WT_STATUS_UPDATED:
362 status = d->index_status;
363 if (d->head_path)
364 one_name = d->head_path;
365 break;
366 case WT_STATUS_CHANGED:
367 if (d->new_submodule_commits || d->dirty_submodule) {
368 strbuf_addstr(&extra, " (");
369 if (d->new_submodule_commits)
370 strbuf_addstr(&extra, _("new commits, "));
371 if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
372 strbuf_addstr(&extra, _("modified content, "));
373 if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
374 strbuf_addstr(&extra, _("untracked content, "));
375 strbuf_setlen(&extra, extra.len - 2);
376 strbuf_addch(&extra, ')');
377 }
378 status = d->worktree_status;
379 break;
380 default:
381 die("BUG: unhandled change_type %d in wt_longstatus_print_change_data",
382 change_type);
383 }
384
385 one = quote_path(one_name, s->prefix, &onebuf);
386 two = quote_path(two_name, s->prefix, &twobuf);
387
388 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
389 what = wt_status_diff_status_string(status);
390 if (!what)
391 die("BUG: unhandled diff status %c", status);
392 len = label_width - utf8_strwidth(what);
393 assert(len >= 0);
394 if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
395 status_printf_more(s, c, "%s%.*s%s -> %s",
396 what, len, padding, one, two);
397 else
398 status_printf_more(s, c, "%s%.*s%s",
399 what, len, padding, one);
400 if (extra.len) {
401 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
402 strbuf_release(&extra);
403 }
404 status_printf_more(s, GIT_COLOR_NORMAL, "\n");
405 strbuf_release(&onebuf);
406 strbuf_release(&twobuf);
407 }
408
409 static char short_submodule_status(struct wt_status_change_data *d) {
410 if (d->new_submodule_commits)
411 return 'M';
412 if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
413 return 'm';
414 if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
415 return '?';
416 return d->worktree_status;
417 }
418
419 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
420 struct diff_options *options,
421 void *data)
422 {
423 struct wt_status *s = data;
424 int i;
425
426 if (!q->nr)
427 return;
428 s->workdir_dirty = 1;
429 for (i = 0; i < q->nr; i++) {
430 struct diff_filepair *p;
431 struct string_list_item *it;
432 struct wt_status_change_data *d;
433
434 p = q->queue[i];
435 it = string_list_insert(&s->change, p->one->path);
436 d = it->util;
437 if (!d) {
438 d = xcalloc(1, sizeof(*d));
439 it->util = d;
440 }
441 if (!d->worktree_status)
442 d->worktree_status = p->status;
443 if (S_ISGITLINK(p->two->mode)) {
444 d->dirty_submodule = p->two->dirty_submodule;
445 d->new_submodule_commits = !!oidcmp(&p->one->oid,
446 &p->two->oid);
447 if (s->status_format == STATUS_FORMAT_SHORT)
448 d->worktree_status = short_submodule_status(d);
449 }
450
451 switch (p->status) {
452 case DIFF_STATUS_ADDED:
453 d->mode_worktree = p->two->mode;
454 break;
455
456 case DIFF_STATUS_DELETED:
457 d->mode_index = p->one->mode;
458 oidcpy(&d->oid_index, &p->one->oid);
459 /* mode_worktree is zero for a delete. */
460 break;
461
462 case DIFF_STATUS_MODIFIED:
463 case DIFF_STATUS_TYPE_CHANGED:
464 case DIFF_STATUS_UNMERGED:
465 d->mode_index = p->one->mode;
466 d->mode_worktree = p->two->mode;
467 oidcpy(&d->oid_index, &p->one->oid);
468 break;
469
470 case DIFF_STATUS_UNKNOWN:
471 die("BUG: worktree status unknown???");
472 break;
473 }
474
475 }
476 }
477
478 static int unmerged_mask(const char *path)
479 {
480 int pos, mask;
481 const struct cache_entry *ce;
482
483 pos = cache_name_pos(path, strlen(path));
484 if (0 <= pos)
485 return 0;
486
487 mask = 0;
488 pos = -pos-1;
489 while (pos < active_nr) {
490 ce = active_cache[pos++];
491 if (strcmp(ce->name, path) || !ce_stage(ce))
492 break;
493 mask |= (1 << (ce_stage(ce) - 1));
494 }
495 return mask;
496 }
497
498 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
499 struct diff_options *options,
500 void *data)
501 {
502 struct wt_status *s = data;
503 int i;
504
505 for (i = 0; i < q->nr; i++) {
506 struct diff_filepair *p;
507 struct string_list_item *it;
508 struct wt_status_change_data *d;
509
510 p = q->queue[i];
511 it = string_list_insert(&s->change, p->two->path);
512 d = it->util;
513 if (!d) {
514 d = xcalloc(1, sizeof(*d));
515 it->util = d;
516 }
517 if (!d->index_status)
518 d->index_status = p->status;
519 switch (p->status) {
520 case DIFF_STATUS_ADDED:
521 /* Leave {mode,oid}_head zero for an add. */
522 d->mode_index = p->two->mode;
523 oidcpy(&d->oid_index, &p->two->oid);
524 break;
525 case DIFF_STATUS_DELETED:
526 d->mode_head = p->one->mode;
527 oidcpy(&d->oid_head, &p->one->oid);
528 /* Leave {mode,oid}_index zero for a delete. */
529 break;
530
531 case DIFF_STATUS_COPIED:
532 case DIFF_STATUS_RENAMED:
533 d->head_path = xstrdup(p->one->path);
534 d->score = p->score * 100 / MAX_SCORE;
535 /* fallthru */
536 case DIFF_STATUS_MODIFIED:
537 case DIFF_STATUS_TYPE_CHANGED:
538 d->mode_head = p->one->mode;
539 d->mode_index = p->two->mode;
540 oidcpy(&d->oid_head, &p->one->oid);
541 oidcpy(&d->oid_index, &p->two->oid);
542 break;
543 case DIFF_STATUS_UNMERGED:
544 d->stagemask = unmerged_mask(p->two->path);
545 /*
546 * Don't bother setting {mode,oid}_{head,index} since the print
547 * code will output the stage values directly and not use the
548 * values in these fields.
549 */
550 break;
551 }
552 }
553 }
554
555 static void wt_status_collect_changes_worktree(struct wt_status *s)
556 {
557 struct rev_info rev;
558
559 init_revisions(&rev, NULL);
560 setup_revisions(0, NULL, &rev, NULL);
561 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
562 rev.diffopt.flags.dirty_submodules = 1;
563 rev.diffopt.ita_invisible_in_index = 1;
564 if (!s->show_untracked_files)
565 rev.diffopt.flags.ignore_untracked_in_submodules = 1;
566 if (s->ignore_submodule_arg) {
567 rev.diffopt.flags.override_submodule_config = 1;
568 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
569 }
570 rev.diffopt.format_callback = wt_status_collect_changed_cb;
571 rev.diffopt.format_callback_data = s;
572 copy_pathspec(&rev.prune_data, &s->pathspec);
573 run_diff_files(&rev, 0);
574 }
575
576 static void wt_status_collect_changes_index(struct wt_status *s)
577 {
578 struct rev_info rev;
579 struct setup_revision_opt opt;
580
581 init_revisions(&rev, NULL);
582 memset(&opt, 0, sizeof(opt));
583 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
584 setup_revisions(0, NULL, &rev, &opt);
585
586 rev.diffopt.flags.override_submodule_config = 1;
587 rev.diffopt.ita_invisible_in_index = 1;
588 if (s->ignore_submodule_arg) {
589 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
590 } else {
591 /*
592 * Unless the user did explicitly request a submodule ignore
593 * mode by passing a command line option we do not ignore any
594 * changed submodule SHA-1s when comparing index and HEAD, no
595 * matter what is configured. Otherwise the user won't be
596 * shown any submodules she manually added (and which are
597 * staged to be committed), which would be really confusing.
598 */
599 handle_ignore_submodules_arg(&rev.diffopt, "dirty");
600 }
601
602 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
603 rev.diffopt.format_callback = wt_status_collect_updated_cb;
604 rev.diffopt.format_callback_data = s;
605 rev.diffopt.detect_rename = 1;
606 rev.diffopt.rename_limit = 200;
607 rev.diffopt.break_opt = 0;
608 copy_pathspec(&rev.prune_data, &s->pathspec);
609 run_diff_index(&rev, 1);
610 }
611
612 static void wt_status_collect_changes_initial(struct wt_status *s)
613 {
614 int i;
615
616 for (i = 0; i < active_nr; i++) {
617 struct string_list_item *it;
618 struct wt_status_change_data *d;
619 const struct cache_entry *ce = active_cache[i];
620
621 if (!ce_path_match(ce, &s->pathspec, NULL))
622 continue;
623 if (ce_intent_to_add(ce))
624 continue;
625 it = string_list_insert(&s->change, ce->name);
626 d = it->util;
627 if (!d) {
628 d = xcalloc(1, sizeof(*d));
629 it->util = d;
630 }
631 if (ce_stage(ce)) {
632 d->index_status = DIFF_STATUS_UNMERGED;
633 d->stagemask |= (1 << (ce_stage(ce) - 1));
634 /*
635 * Don't bother setting {mode,oid}_{head,index} since the print
636 * code will output the stage values directly and not use the
637 * values in these fields.
638 */
639 } else {
640 d->index_status = DIFF_STATUS_ADDED;
641 /* Leave {mode,oid}_head zero for adds. */
642 d->mode_index = ce->ce_mode;
643 oidcpy(&d->oid_index, &ce->oid);
644 }
645 }
646 }
647
648 static void wt_status_collect_untracked(struct wt_status *s)
649 {
650 int i;
651 struct dir_struct dir;
652 uint64_t t_begin = getnanotime();
653
654 if (!s->show_untracked_files)
655 return;
656
657 memset(&dir, 0, sizeof(dir));
658 if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
659 dir.flags |=
660 DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
661 if (s->show_ignored_mode) {
662 dir.flags |= DIR_SHOW_IGNORED_TOO;
663
664 if (s->show_ignored_mode == SHOW_MATCHING_IGNORED)
665 dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
666 } else {
667 dir.untracked = the_index.untracked;
668 }
669
670 setup_standard_excludes(&dir);
671
672 fill_directory(&dir, &the_index, &s->pathspec);
673
674 for (i = 0; i < dir.nr; i++) {
675 struct dir_entry *ent = dir.entries[i];
676 if (cache_name_is_other(ent->name, ent->len) &&
677 dir_path_match(ent, &s->pathspec, 0, NULL))
678 string_list_insert(&s->untracked, ent->name);
679 free(ent);
680 }
681
682 for (i = 0; i < dir.ignored_nr; i++) {
683 struct dir_entry *ent = dir.ignored[i];
684 if (cache_name_is_other(ent->name, ent->len) &&
685 dir_path_match(ent, &s->pathspec, 0, NULL))
686 string_list_insert(&s->ignored, ent->name);
687 free(ent);
688 }
689
690 free(dir.entries);
691 free(dir.ignored);
692 clear_directory(&dir);
693
694 if (advice_status_u_option)
695 s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
696 }
697
698 void wt_status_collect(struct wt_status *s)
699 {
700 wt_status_collect_changes_worktree(s);
701
702 if (s->is_initial)
703 wt_status_collect_changes_initial(s);
704 else
705 wt_status_collect_changes_index(s);
706 wt_status_collect_untracked(s);
707 }
708
709 static void wt_longstatus_print_unmerged(struct wt_status *s)
710 {
711 int shown_header = 0;
712 int i;
713
714 for (i = 0; i < s->change.nr; i++) {
715 struct wt_status_change_data *d;
716 struct string_list_item *it;
717 it = &(s->change.items[i]);
718 d = it->util;
719 if (!d->stagemask)
720 continue;
721 if (!shown_header) {
722 wt_longstatus_print_unmerged_header(s);
723 shown_header = 1;
724 }
725 wt_longstatus_print_unmerged_data(s, it);
726 }
727 if (shown_header)
728 wt_longstatus_print_trailer(s);
729
730 }
731
732 static void wt_longstatus_print_updated(struct wt_status *s)
733 {
734 int shown_header = 0;
735 int i;
736
737 for (i = 0; i < s->change.nr; i++) {
738 struct wt_status_change_data *d;
739 struct string_list_item *it;
740 it = &(s->change.items[i]);
741 d = it->util;
742 if (!d->index_status ||
743 d->index_status == DIFF_STATUS_UNMERGED)
744 continue;
745 if (!shown_header) {
746 wt_longstatus_print_cached_header(s);
747 s->commitable = 1;
748 shown_header = 1;
749 }
750 wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
751 }
752 if (shown_header)
753 wt_longstatus_print_trailer(s);
754 }
755
756 /*
757 * -1 : has delete
758 * 0 : no change
759 * 1 : some change but no delete
760 */
761 static int wt_status_check_worktree_changes(struct wt_status *s,
762 int *dirty_submodules)
763 {
764 int i;
765 int changes = 0;
766
767 *dirty_submodules = 0;
768
769 for (i = 0; i < s->change.nr; i++) {
770 struct wt_status_change_data *d;
771 d = s->change.items[i].util;
772 if (!d->worktree_status ||
773 d->worktree_status == DIFF_STATUS_UNMERGED)
774 continue;
775 if (!changes)
776 changes = 1;
777 if (d->dirty_submodule)
778 *dirty_submodules = 1;
779 if (d->worktree_status == DIFF_STATUS_DELETED)
780 changes = -1;
781 }
782 return changes;
783 }
784
785 static void wt_longstatus_print_changed(struct wt_status *s)
786 {
787 int i, dirty_submodules;
788 int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
789
790 if (!worktree_changes)
791 return;
792
793 wt_longstatus_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
794
795 for (i = 0; i < s->change.nr; i++) {
796 struct wt_status_change_data *d;
797 struct string_list_item *it;
798 it = &(s->change.items[i]);
799 d = it->util;
800 if (!d->worktree_status ||
801 d->worktree_status == DIFF_STATUS_UNMERGED)
802 continue;
803 wt_longstatus_print_change_data(s, WT_STATUS_CHANGED, it);
804 }
805 wt_longstatus_print_trailer(s);
806 }
807
808 static int stash_count_refs(struct object_id *ooid, struct object_id *noid,
809 const char *email, timestamp_t timestamp, int tz,
810 const char *message, void *cb_data)
811 {
812 int *c = cb_data;
813 (*c)++;
814 return 0;
815 }
816
817 static void wt_longstatus_print_stash_summary(struct wt_status *s)
818 {
819 int stash_count = 0;
820
821 for_each_reflog_ent("refs/stash", stash_count_refs, &stash_count);
822 if (stash_count > 0)
823 status_printf_ln(s, GIT_COLOR_NORMAL,
824 Q_("Your stash currently has %d entry",
825 "Your stash currently has %d entries", stash_count),
826 stash_count);
827 }
828
829 static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncommitted)
830 {
831 struct child_process sm_summary = CHILD_PROCESS_INIT;
832 struct strbuf cmd_stdout = STRBUF_INIT;
833 struct strbuf summary = STRBUF_INIT;
834 char *summary_content;
835
836 argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
837 s->index_file);
838
839 argv_array_push(&sm_summary.args, "submodule");
840 argv_array_push(&sm_summary.args, "summary");
841 argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
842 argv_array_push(&sm_summary.args, "--for-status");
843 argv_array_push(&sm_summary.args, "--summary-limit");
844 argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
845 if (!uncommitted)
846 argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
847
848 sm_summary.git_cmd = 1;
849 sm_summary.no_stdin = 1;
850
851 capture_command(&sm_summary, &cmd_stdout, 1024);
852
853 /* prepend header, only if there's an actual output */
854 if (cmd_stdout.len) {
855 if (uncommitted)
856 strbuf_addstr(&summary, _("Submodules changed but not updated:"));
857 else
858 strbuf_addstr(&summary, _("Submodule changes to be committed:"));
859 strbuf_addstr(&summary, "\n\n");
860 }
861 strbuf_addbuf(&summary, &cmd_stdout);
862 strbuf_release(&cmd_stdout);
863
864 if (s->display_comment_prefix) {
865 size_t len;
866 summary_content = strbuf_detach(&summary, &len);
867 strbuf_add_commented_lines(&summary, summary_content, len);
868 free(summary_content);
869 }
870
871 fputs(summary.buf, s->fp);
872 strbuf_release(&summary);
873 }
874
875 static void wt_longstatus_print_other(struct wt_status *s,
876 struct string_list *l,
877 const char *what,
878 const char *how)
879 {
880 int i;
881 struct strbuf buf = STRBUF_INIT;
882 static struct string_list output = STRING_LIST_INIT_DUP;
883 struct column_options copts;
884
885 if (!l->nr)
886 return;
887
888 wt_longstatus_print_other_header(s, what, how);
889
890 for (i = 0; i < l->nr; i++) {
891 struct string_list_item *it;
892 const char *path;
893 it = &(l->items[i]);
894 path = quote_path(it->string, s->prefix, &buf);
895 if (column_active(s->colopts)) {
896 string_list_append(&output, path);
897 continue;
898 }
899 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
900 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
901 "%s\n", path);
902 }
903
904 strbuf_release(&buf);
905 if (!column_active(s->colopts))
906 goto conclude;
907
908 strbuf_addf(&buf, "%s%s\t%s",
909 color(WT_STATUS_HEADER, s),
910 s->display_comment_prefix ? "#" : "",
911 color(WT_STATUS_UNTRACKED, s));
912 memset(&copts, 0, sizeof(copts));
913 copts.padding = 1;
914 copts.indent = buf.buf;
915 if (want_color(s->use_color))
916 copts.nl = GIT_COLOR_RESET "\n";
917 print_columns(&output, s->colopts, &copts);
918 string_list_clear(&output, 0);
919 strbuf_release(&buf);
920 conclude:
921 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
922 }
923
924 size_t wt_status_locate_end(const char *s, size_t len)
925 {
926 const char *p;
927 struct strbuf pattern = STRBUF_INIT;
928
929 strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line);
930 if (starts_with(s, pattern.buf + 1))
931 len = 0;
932 else if ((p = strstr(s, pattern.buf)))
933 len = p - s + 1;
934 strbuf_release(&pattern);
935 return len;
936 }
937
938 void wt_status_add_cut_line(FILE *fp)
939 {
940 const char *explanation = _("Do not modify or remove the line above.\nEverything below it will be ignored.");
941 struct strbuf buf = STRBUF_INIT;
942
943 fprintf(fp, "%c %s", comment_line_char, cut_line);
944 strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
945 fputs(buf.buf, fp);
946 strbuf_release(&buf);
947 }
948
949 static void wt_longstatus_print_verbose(struct wt_status *s)
950 {
951 struct rev_info rev;
952 struct setup_revision_opt opt;
953 int dirty_submodules;
954 const char *c = color(WT_STATUS_HEADER, s);
955
956 init_revisions(&rev, NULL);
957 rev.diffopt.flags.allow_textconv = 1;
958 rev.diffopt.ita_invisible_in_index = 1;
959
960 memset(&opt, 0, sizeof(opt));
961 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
962 setup_revisions(0, NULL, &rev, &opt);
963
964 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
965 rev.diffopt.detect_rename = 1;
966 rev.diffopt.file = s->fp;
967 rev.diffopt.close_file = 0;
968 /*
969 * If we're not going to stdout, then we definitely don't
970 * want color, since we are going to the commit message
971 * file (and even the "auto" setting won't work, since it
972 * will have checked isatty on stdout). But we then do want
973 * to insert the scissor line here to reliably remove the
974 * diff before committing.
975 */
976 if (s->fp != stdout) {
977 rev.diffopt.use_color = 0;
978 wt_status_add_cut_line(s->fp);
979 }
980 if (s->verbose > 1 && s->commitable) {
981 /* print_updated() printed a header, so do we */
982 if (s->fp != stdout)
983 wt_longstatus_print_trailer(s);
984 status_printf_ln(s, c, _("Changes to be committed:"));
985 rev.diffopt.a_prefix = "c/";
986 rev.diffopt.b_prefix = "i/";
987 } /* else use prefix as per user config */
988 run_diff_index(&rev, 1);
989 if (s->verbose > 1 &&
990 wt_status_check_worktree_changes(s, &dirty_submodules)) {
991 status_printf_ln(s, c,
992 "--------------------------------------------------");
993 status_printf_ln(s, c, _("Changes not staged for commit:"));
994 setup_work_tree();
995 rev.diffopt.a_prefix = "i/";
996 rev.diffopt.b_prefix = "w/";
997 run_diff_files(&rev, 0);
998 }
999 }
1000
1001 static void wt_longstatus_print_tracking(struct wt_status *s)
1002 {
1003 struct strbuf sb = STRBUF_INIT;
1004 const char *cp, *ep, *branch_name;
1005 struct branch *branch;
1006 char comment_line_string[3];
1007 int i;
1008
1009 assert(s->branch && !s->is_initial);
1010 if (!skip_prefix(s->branch, "refs/heads/", &branch_name))
1011 return;
1012 branch = branch_get(branch_name);
1013 if (!format_tracking_info(branch, &sb))
1014 return;
1015
1016 i = 0;
1017 if (s->display_comment_prefix) {
1018 comment_line_string[i++] = comment_line_char;
1019 comment_line_string[i++] = ' ';
1020 }
1021 comment_line_string[i] = '\0';
1022
1023 for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
1024 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
1025 "%s%.*s", comment_line_string,
1026 (int)(ep - cp), cp);
1027 if (s->display_comment_prefix)
1028 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
1029 comment_line_char);
1030 else
1031 fputs("\n", s->fp);
1032 strbuf_release(&sb);
1033 }
1034
1035 static int has_unmerged(struct wt_status *s)
1036 {
1037 int i;
1038
1039 for (i = 0; i < s->change.nr; i++) {
1040 struct wt_status_change_data *d;
1041 d = s->change.items[i].util;
1042 if (d->stagemask)
1043 return 1;
1044 }
1045 return 0;
1046 }
1047
1048 static void show_merge_in_progress(struct wt_status *s,
1049 struct wt_status_state *state,
1050 const char *color)
1051 {
1052 if (has_unmerged(s)) {
1053 status_printf_ln(s, color, _("You have unmerged paths."));
1054 if (s->hints) {
1055 status_printf_ln(s, color,
1056 _(" (fix conflicts and run \"git commit\")"));
1057 status_printf_ln(s, color,
1058 _(" (use \"git merge --abort\" to abort the merge)"));
1059 }
1060 } else {
1061 s-> commitable = 1;
1062 status_printf_ln(s, color,
1063 _("All conflicts fixed but you are still merging."));
1064 if (s->hints)
1065 status_printf_ln(s, color,
1066 _(" (use \"git commit\" to conclude merge)"));
1067 }
1068 wt_longstatus_print_trailer(s);
1069 }
1070
1071 static void show_am_in_progress(struct wt_status *s,
1072 struct wt_status_state *state,
1073 const char *color)
1074 {
1075 status_printf_ln(s, color,
1076 _("You are in the middle of an am session."));
1077 if (state->am_empty_patch)
1078 status_printf_ln(s, color,
1079 _("The current patch is empty."));
1080 if (s->hints) {
1081 if (!state->am_empty_patch)
1082 status_printf_ln(s, color,
1083 _(" (fix conflicts and then run \"git am --continue\")"));
1084 status_printf_ln(s, color,
1085 _(" (use \"git am --skip\" to skip this patch)"));
1086 status_printf_ln(s, color,
1087 _(" (use \"git am --abort\" to restore the original branch)"));
1088 }
1089 wt_longstatus_print_trailer(s);
1090 }
1091
1092 static char *read_line_from_git_path(const char *filename)
1093 {
1094 struct strbuf buf = STRBUF_INIT;
1095 FILE *fp = fopen_or_warn(git_path("%s", filename), "r");
1096
1097 if (!fp) {
1098 strbuf_release(&buf);
1099 return NULL;
1100 }
1101 strbuf_getline_lf(&buf, fp);
1102 if (!fclose(fp)) {
1103 return strbuf_detach(&buf, NULL);
1104 } else {
1105 strbuf_release(&buf);
1106 return NULL;
1107 }
1108 }
1109
1110 static int split_commit_in_progress(struct wt_status *s)
1111 {
1112 int split_in_progress = 0;
1113 char *head, *orig_head, *rebase_amend, *rebase_orig_head;
1114
1115 if ((!s->amend && !s->nowarn && !s->workdir_dirty) ||
1116 !s->branch || strcmp(s->branch, "HEAD"))
1117 return 0;
1118
1119 head = read_line_from_git_path("HEAD");
1120 orig_head = read_line_from_git_path("ORIG_HEAD");
1121 rebase_amend = read_line_from_git_path("rebase-merge/amend");
1122 rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
1123
1124 if (!head || !orig_head || !rebase_amend || !rebase_orig_head)
1125 ; /* fall through, no split in progress */
1126 else if (!strcmp(rebase_amend, rebase_orig_head))
1127 split_in_progress = !!strcmp(head, rebase_amend);
1128 else if (strcmp(orig_head, rebase_orig_head))
1129 split_in_progress = 1;
1130
1131 free(head);
1132 free(orig_head);
1133 free(rebase_amend);
1134 free(rebase_orig_head);
1135
1136 return split_in_progress;
1137 }
1138
1139 /*
1140 * Turn
1141 * "pick d6a2f0303e897ec257dd0e0a39a5ccb709bc2047 some message"
1142 * into
1143 * "pick d6a2f03 some message"
1144 *
1145 * The function assumes that the line does not contain useless spaces
1146 * before or after the command.
1147 */
1148 static void abbrev_sha1_in_line(struct strbuf *line)
1149 {
1150 struct strbuf **split;
1151 int i;
1152
1153 if (starts_with(line->buf, "exec ") ||
1154 starts_with(line->buf, "x "))
1155 return;
1156
1157 split = strbuf_split_max(line, ' ', 3);
1158 if (split[0] && split[1]) {
1159 struct object_id oid;
1160
1161 /*
1162 * strbuf_split_max left a space. Trim it and re-add
1163 * it after abbreviation.
1164 */
1165 strbuf_trim(split[1]);
1166 if (!get_oid(split[1]->buf, &oid)) {
1167 strbuf_reset(split[1]);
1168 strbuf_add_unique_abbrev(split[1], oid.hash,
1169 DEFAULT_ABBREV);
1170 strbuf_addch(split[1], ' ');
1171 strbuf_reset(line);
1172 for (i = 0; split[i]; i++)
1173 strbuf_addbuf(line, split[i]);
1174 }
1175 }
1176 strbuf_list_free(split);
1177 }
1178
1179 static int read_rebase_todolist(const char *fname, struct string_list *lines)
1180 {
1181 struct strbuf line = STRBUF_INIT;
1182 FILE *f = fopen(git_path("%s", fname), "r");
1183
1184 if (!f) {
1185 if (errno == ENOENT)
1186 return -1;
1187 die_errno("Could not open file %s for reading",
1188 git_path("%s", fname));
1189 }
1190 while (!strbuf_getline_lf(&line, f)) {
1191 if (line.len && line.buf[0] == comment_line_char)
1192 continue;
1193 strbuf_trim(&line);
1194 if (!line.len)
1195 continue;
1196 abbrev_sha1_in_line(&line);
1197 string_list_append(lines, line.buf);
1198 }
1199 fclose(f);
1200 strbuf_release(&line);
1201 return 0;
1202 }
1203
1204 static void show_rebase_information(struct wt_status *s,
1205 struct wt_status_state *state,
1206 const char *color)
1207 {
1208 if (state->rebase_interactive_in_progress) {
1209 int i;
1210 int nr_lines_to_show = 2;
1211
1212 struct string_list have_done = STRING_LIST_INIT_DUP;
1213 struct string_list yet_to_do = STRING_LIST_INIT_DUP;
1214
1215 read_rebase_todolist("rebase-merge/done", &have_done);
1216 if (read_rebase_todolist("rebase-merge/git-rebase-todo",
1217 &yet_to_do))
1218 status_printf_ln(s, color,
1219 _("git-rebase-todo is missing."));
1220 if (have_done.nr == 0)
1221 status_printf_ln(s, color, _("No commands done."));
1222 else {
1223 status_printf_ln(s, color,
1224 Q_("Last command done (%d command done):",
1225 "Last commands done (%d commands done):",
1226 have_done.nr),
1227 have_done.nr);
1228 for (i = (have_done.nr > nr_lines_to_show)
1229 ? have_done.nr - nr_lines_to_show : 0;
1230 i < have_done.nr;
1231 i++)
1232 status_printf_ln(s, color, " %s", have_done.items[i].string);
1233 if (have_done.nr > nr_lines_to_show && s->hints)
1234 status_printf_ln(s, color,
1235 _(" (see more in file %s)"), git_path("rebase-merge/done"));
1236 }
1237
1238 if (yet_to_do.nr == 0)
1239 status_printf_ln(s, color,
1240 _("No commands remaining."));
1241 else {
1242 status_printf_ln(s, color,
1243 Q_("Next command to do (%d remaining command):",
1244 "Next commands to do (%d remaining commands):",
1245 yet_to_do.nr),
1246 yet_to_do.nr);
1247 for (i = 0; i < nr_lines_to_show && i < yet_to_do.nr; i++)
1248 status_printf_ln(s, color, " %s", yet_to_do.items[i].string);
1249 if (s->hints)
1250 status_printf_ln(s, color,
1251 _(" (use \"git rebase --edit-todo\" to view and edit)"));
1252 }
1253 string_list_clear(&yet_to_do, 0);
1254 string_list_clear(&have_done, 0);
1255 }
1256 }
1257
1258 static void print_rebase_state(struct wt_status *s,
1259 struct wt_status_state *state,
1260 const char *color)
1261 {
1262 if (state->branch)
1263 status_printf_ln(s, color,
1264 _("You are currently rebasing branch '%s' on '%s'."),
1265 state->branch,
1266 state->onto);
1267 else
1268 status_printf_ln(s, color,
1269 _("You are currently rebasing."));
1270 }
1271
1272 static void show_rebase_in_progress(struct wt_status *s,
1273 struct wt_status_state *state,
1274 const char *color)
1275 {
1276 struct stat st;
1277
1278 show_rebase_information(s, state, color);
1279 if (has_unmerged(s)) {
1280 print_rebase_state(s, state, color);
1281 if (s->hints) {
1282 status_printf_ln(s, color,
1283 _(" (fix conflicts and then run \"git rebase --continue\")"));
1284 status_printf_ln(s, color,
1285 _(" (use \"git rebase --skip\" to skip this patch)"));
1286 status_printf_ln(s, color,
1287 _(" (use \"git rebase --abort\" to check out the original branch)"));
1288 }
1289 } else if (state->rebase_in_progress || !stat(git_path_merge_msg(), &st)) {
1290 print_rebase_state(s, state, color);
1291 if (s->hints)
1292 status_printf_ln(s, color,
1293 _(" (all conflicts fixed: run \"git rebase --continue\")"));
1294 } else if (split_commit_in_progress(s)) {
1295 if (state->branch)
1296 status_printf_ln(s, color,
1297 _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1298 state->branch,
1299 state->onto);
1300 else
1301 status_printf_ln(s, color,
1302 _("You are currently splitting a commit during a rebase."));
1303 if (s->hints)
1304 status_printf_ln(s, color,
1305 _(" (Once your working directory is clean, run \"git rebase --continue\")"));
1306 } else {
1307 if (state->branch)
1308 status_printf_ln(s, color,
1309 _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1310 state->branch,
1311 state->onto);
1312 else
1313 status_printf_ln(s, color,
1314 _("You are currently editing a commit during a rebase."));
1315 if (s->hints && !s->amend) {
1316 status_printf_ln(s, color,
1317 _(" (use \"git commit --amend\" to amend the current commit)"));
1318 status_printf_ln(s, color,
1319 _(" (use \"git rebase --continue\" once you are satisfied with your changes)"));
1320 }
1321 }
1322 wt_longstatus_print_trailer(s);
1323 }
1324
1325 static void show_cherry_pick_in_progress(struct wt_status *s,
1326 struct wt_status_state *state,
1327 const char *color)
1328 {
1329 status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1330 find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1331 if (s->hints) {
1332 if (has_unmerged(s))
1333 status_printf_ln(s, color,
1334 _(" (fix conflicts and run \"git cherry-pick --continue\")"));
1335 else
1336 status_printf_ln(s, color,
1337 _(" (all conflicts fixed: run \"git cherry-pick --continue\")"));
1338 status_printf_ln(s, color,
1339 _(" (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1340 }
1341 wt_longstatus_print_trailer(s);
1342 }
1343
1344 static void show_revert_in_progress(struct wt_status *s,
1345 struct wt_status_state *state,
1346 const char *color)
1347 {
1348 status_printf_ln(s, color, _("You are currently reverting commit %s."),
1349 find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1350 if (s->hints) {
1351 if (has_unmerged(s))
1352 status_printf_ln(s, color,
1353 _(" (fix conflicts and run \"git revert --continue\")"));
1354 else
1355 status_printf_ln(s, color,
1356 _(" (all conflicts fixed: run \"git revert --continue\")"));
1357 status_printf_ln(s, color,
1358 _(" (use \"git revert --abort\" to cancel the revert operation)"));
1359 }
1360 wt_longstatus_print_trailer(s);
1361 }
1362
1363 static void show_bisect_in_progress(struct wt_status *s,
1364 struct wt_status_state *state,
1365 const char *color)
1366 {
1367 if (state->branch)
1368 status_printf_ln(s, color,
1369 _("You are currently bisecting, started from branch '%s'."),
1370 state->branch);
1371 else
1372 status_printf_ln(s, color,
1373 _("You are currently bisecting."));
1374 if (s->hints)
1375 status_printf_ln(s, color,
1376 _(" (use \"git bisect reset\" to get back to the original branch)"));
1377 wt_longstatus_print_trailer(s);
1378 }
1379
1380 /*
1381 * Extract branch information from rebase/bisect
1382 */
1383 static char *get_branch(const struct worktree *wt, const char *path)
1384 {
1385 struct strbuf sb = STRBUF_INIT;
1386 struct object_id oid;
1387 const char *branch_name;
1388
1389 if (strbuf_read_file(&sb, worktree_git_path(wt, "%s", path), 0) <= 0)
1390 goto got_nothing;
1391
1392 while (sb.len && sb.buf[sb.len - 1] == '\n')
1393 strbuf_setlen(&sb, sb.len - 1);
1394 if (!sb.len)
1395 goto got_nothing;
1396 if (skip_prefix(sb.buf, "refs/heads/", &branch_name))
1397 strbuf_remove(&sb, 0, branch_name - sb.buf);
1398 else if (starts_with(sb.buf, "refs/"))
1399 ;
1400 else if (!get_oid_hex(sb.buf, &oid)) {
1401 strbuf_reset(&sb);
1402 strbuf_add_unique_abbrev(&sb, oid.hash, DEFAULT_ABBREV);
1403 } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1404 goto got_nothing;
1405 else /* bisect */
1406 ;
1407 return strbuf_detach(&sb, NULL);
1408
1409 got_nothing:
1410 strbuf_release(&sb);
1411 return NULL;
1412 }
1413
1414 struct grab_1st_switch_cbdata {
1415 struct strbuf buf;
1416 struct object_id noid;
1417 };
1418
1419 static int grab_1st_switch(struct object_id *ooid, struct object_id *noid,
1420 const char *email, timestamp_t timestamp, int tz,
1421 const char *message, void *cb_data)
1422 {
1423 struct grab_1st_switch_cbdata *cb = cb_data;
1424 const char *target = NULL, *end;
1425
1426 if (!skip_prefix(message, "checkout: moving from ", &message))
1427 return 0;
1428 target = strstr(message, " to ");
1429 if (!target)
1430 return 0;
1431 target += strlen(" to ");
1432 strbuf_reset(&cb->buf);
1433 oidcpy(&cb->noid, noid);
1434 end = strchrnul(target, '\n');
1435 strbuf_add(&cb->buf, target, end - target);
1436 if (!strcmp(cb->buf.buf, "HEAD")) {
1437 /* HEAD is relative. Resolve it to the right reflog entry. */
1438 strbuf_reset(&cb->buf);
1439 strbuf_add_unique_abbrev(&cb->buf, noid->hash, DEFAULT_ABBREV);
1440 }
1441 return 1;
1442 }
1443
1444 static void wt_status_get_detached_from(struct wt_status_state *state)
1445 {
1446 struct grab_1st_switch_cbdata cb;
1447 struct commit *commit;
1448 struct object_id oid;
1449 char *ref = NULL;
1450
1451 strbuf_init(&cb.buf, 0);
1452 if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1453 strbuf_release(&cb.buf);
1454 return;
1455 }
1456
1457 if (dwim_ref(cb.buf.buf, cb.buf.len, &oid, &ref) == 1 &&
1458 /* sha1 is a commit? match without further lookup */
1459 (!oidcmp(&cb.noid, &oid) ||
1460 /* perhaps sha1 is a tag, try to dereference to a commit */
1461 ((commit = lookup_commit_reference_gently(&oid, 1)) != NULL &&
1462 !oidcmp(&cb.noid, &commit->object.oid)))) {
1463 const char *from = ref;
1464 if (!skip_prefix(from, "refs/tags/", &from))
1465 skip_prefix(from, "refs/remotes/", &from);
1466 state->detached_from = xstrdup(from);
1467 } else
1468 state->detached_from =
1469 xstrdup(find_unique_abbrev(cb.noid.hash, DEFAULT_ABBREV));
1470 hashcpy(state->detached_sha1, cb.noid.hash);
1471 state->detached_at = !get_oid("HEAD", &oid) &&
1472 !hashcmp(oid.hash, state->detached_sha1);
1473
1474 free(ref);
1475 strbuf_release(&cb.buf);
1476 }
1477
1478 int wt_status_check_rebase(const struct worktree *wt,
1479 struct wt_status_state *state)
1480 {
1481 struct stat st;
1482
1483 if (!stat(worktree_git_path(wt, "rebase-apply"), &st)) {
1484 if (!stat(worktree_git_path(wt, "rebase-apply/applying"), &st)) {
1485 state->am_in_progress = 1;
1486 if (!stat(worktree_git_path(wt, "rebase-apply/patch"), &st) && !st.st_size)
1487 state->am_empty_patch = 1;
1488 } else {
1489 state->rebase_in_progress = 1;
1490 state->branch = get_branch(wt, "rebase-apply/head-name");
1491 state->onto = get_branch(wt, "rebase-apply/onto");
1492 }
1493 } else if (!stat(worktree_git_path(wt, "rebase-merge"), &st)) {
1494 if (!stat(worktree_git_path(wt, "rebase-merge/interactive"), &st))
1495 state->rebase_interactive_in_progress = 1;
1496 else
1497 state->rebase_in_progress = 1;
1498 state->branch = get_branch(wt, "rebase-merge/head-name");
1499 state->onto = get_branch(wt, "rebase-merge/onto");
1500 } else
1501 return 0;
1502 return 1;
1503 }
1504
1505 int wt_status_check_bisect(const struct worktree *wt,
1506 struct wt_status_state *state)
1507 {
1508 struct stat st;
1509
1510 if (!stat(worktree_git_path(wt, "BISECT_LOG"), &st)) {
1511 state->bisect_in_progress = 1;
1512 state->branch = get_branch(wt, "BISECT_START");
1513 return 1;
1514 }
1515 return 0;
1516 }
1517
1518 void wt_status_get_state(struct wt_status_state *state,
1519 int get_detached_from)
1520 {
1521 struct stat st;
1522 struct object_id oid;
1523
1524 if (!stat(git_path_merge_head(), &st)) {
1525 state->merge_in_progress = 1;
1526 } else if (wt_status_check_rebase(NULL, state)) {
1527 ; /* all set */
1528 } else if (!stat(git_path_cherry_pick_head(), &st) &&
1529 !get_oid("CHERRY_PICK_HEAD", &oid)) {
1530 state->cherry_pick_in_progress = 1;
1531 hashcpy(state->cherry_pick_head_sha1, oid.hash);
1532 }
1533 wt_status_check_bisect(NULL, state);
1534 if (!stat(git_path_revert_head(), &st) &&
1535 !get_oid("REVERT_HEAD", &oid)) {
1536 state->revert_in_progress = 1;
1537 hashcpy(state->revert_head_sha1, oid.hash);
1538 }
1539
1540 if (get_detached_from)
1541 wt_status_get_detached_from(state);
1542 }
1543
1544 static void wt_longstatus_print_state(struct wt_status *s,
1545 struct wt_status_state *state)
1546 {
1547 const char *state_color = color(WT_STATUS_HEADER, s);
1548 if (state->merge_in_progress)
1549 show_merge_in_progress(s, state, state_color);
1550 else if (state->am_in_progress)
1551 show_am_in_progress(s, state, state_color);
1552 else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1553 show_rebase_in_progress(s, state, state_color);
1554 else if (state->cherry_pick_in_progress)
1555 show_cherry_pick_in_progress(s, state, state_color);
1556 else if (state->revert_in_progress)
1557 show_revert_in_progress(s, state, state_color);
1558 if (state->bisect_in_progress)
1559 show_bisect_in_progress(s, state, state_color);
1560 }
1561
1562 static void wt_longstatus_print(struct wt_status *s)
1563 {
1564 const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1565 const char *branch_status_color = color(WT_STATUS_HEADER, s);
1566 struct wt_status_state state;
1567
1568 memset(&state, 0, sizeof(state));
1569 wt_status_get_state(&state,
1570 s->branch && !strcmp(s->branch, "HEAD"));
1571
1572 if (s->branch) {
1573 const char *on_what = _("On branch ");
1574 const char *branch_name = s->branch;
1575 if (!strcmp(branch_name, "HEAD")) {
1576 branch_status_color = color(WT_STATUS_NOBRANCH, s);
1577 if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1578 if (state.rebase_interactive_in_progress)
1579 on_what = _("interactive rebase in progress; onto ");
1580 else
1581 on_what = _("rebase in progress; onto ");
1582 branch_name = state.onto;
1583 } else if (state.detached_from) {
1584 branch_name = state.detached_from;
1585 if (state.detached_at)
1586 on_what = _("HEAD detached at ");
1587 else
1588 on_what = _("HEAD detached from ");
1589 } else {
1590 branch_name = "";
1591 on_what = _("Not currently on any branch.");
1592 }
1593 } else
1594 skip_prefix(branch_name, "refs/heads/", &branch_name);
1595 status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1596 status_printf_more(s, branch_status_color, "%s", on_what);
1597 status_printf_more(s, branch_color, "%s\n", branch_name);
1598 if (!s->is_initial)
1599 wt_longstatus_print_tracking(s);
1600 }
1601
1602 wt_longstatus_print_state(s, &state);
1603 free(state.branch);
1604 free(state.onto);
1605 free(state.detached_from);
1606
1607 if (s->is_initial) {
1608 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1609 status_printf_ln(s, color(WT_STATUS_HEADER, s),
1610 s->commit_template
1611 ? _("Initial commit")
1612 : _("No commits yet"));
1613 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1614 }
1615
1616 wt_longstatus_print_updated(s);
1617 wt_longstatus_print_unmerged(s);
1618 wt_longstatus_print_changed(s);
1619 if (s->submodule_summary &&
1620 (!s->ignore_submodule_arg ||
1621 strcmp(s->ignore_submodule_arg, "all"))) {
1622 wt_longstatus_print_submodule_summary(s, 0); /* staged */
1623 wt_longstatus_print_submodule_summary(s, 1); /* unstaged */
1624 }
1625 if (s->show_untracked_files) {
1626 wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
1627 if (s->show_ignored_mode)
1628 wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1629 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1630 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1631 status_printf_ln(s, GIT_COLOR_NORMAL,
1632 _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1633 "may speed it up, but you have to be careful not to forget to add\n"
1634 "new files yourself (see 'git help status')."),
1635 s->untracked_in_ms / 1000.0);
1636 }
1637 } else if (s->commitable)
1638 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1639 s->hints
1640 ? _(" (use -u option to show untracked files)") : "");
1641
1642 if (s->verbose)
1643 wt_longstatus_print_verbose(s);
1644 if (!s->commitable) {
1645 if (s->amend)
1646 status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1647 else if (s->nowarn)
1648 ; /* nothing */
1649 else if (s->workdir_dirty) {
1650 if (s->hints)
1651 printf(_("no changes added to commit "
1652 "(use \"git add\" and/or \"git commit -a\")\n"));
1653 else
1654 printf(_("no changes added to commit\n"));
1655 } else if (s->untracked.nr) {
1656 if (s->hints)
1657 printf(_("nothing added to commit but untracked files "
1658 "present (use \"git add\" to track)\n"));
1659 else
1660 printf(_("nothing added to commit but untracked files present\n"));
1661 } else if (s->is_initial) {
1662 if (s->hints)
1663 printf(_("nothing to commit (create/copy files "
1664 "and use \"git add\" to track)\n"));
1665 else
1666 printf(_("nothing to commit\n"));
1667 } else if (!s->show_untracked_files) {
1668 if (s->hints)
1669 printf(_("nothing to commit (use -u to show untracked files)\n"));
1670 else
1671 printf(_("nothing to commit\n"));
1672 } else
1673 printf(_("nothing to commit, working tree clean\n"));
1674 }
1675 if(s->show_stash)
1676 wt_longstatus_print_stash_summary(s);
1677 }
1678
1679 static void wt_shortstatus_unmerged(struct string_list_item *it,
1680 struct wt_status *s)
1681 {
1682 struct wt_status_change_data *d = it->util;
1683 const char *how = "??";
1684
1685 switch (d->stagemask) {
1686 case 1: how = "DD"; break; /* both deleted */
1687 case 2: how = "AU"; break; /* added by us */
1688 case 3: how = "UD"; break; /* deleted by them */
1689 case 4: how = "UA"; break; /* added by them */
1690 case 5: how = "DU"; break; /* deleted by us */
1691 case 6: how = "AA"; break; /* both added */
1692 case 7: how = "UU"; break; /* both modified */
1693 }
1694 color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1695 if (s->null_termination) {
1696 fprintf(stdout, " %s%c", it->string, 0);
1697 } else {
1698 struct strbuf onebuf = STRBUF_INIT;
1699 const char *one;
1700 one = quote_path(it->string, s->prefix, &onebuf);
1701 printf(" %s\n", one);
1702 strbuf_release(&onebuf);
1703 }
1704 }
1705
1706 static void wt_shortstatus_status(struct string_list_item *it,
1707 struct wt_status *s)
1708 {
1709 struct wt_status_change_data *d = it->util;
1710
1711 if (d->index_status)
1712 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1713 else
1714 putchar(' ');
1715 if (d->worktree_status)
1716 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1717 else
1718 putchar(' ');
1719 putchar(' ');
1720 if (s->null_termination) {
1721 fprintf(stdout, "%s%c", it->string, 0);
1722 if (d->head_path)
1723 fprintf(stdout, "%s%c", d->head_path, 0);
1724 } else {
1725 struct strbuf onebuf = STRBUF_INIT;
1726 const char *one;
1727 if (d->head_path) {
1728 one = quote_path(d->head_path, s->prefix, &onebuf);
1729 if (*one != '"' && strchr(one, ' ') != NULL) {
1730 putchar('"');
1731 strbuf_addch(&onebuf, '"');
1732 one = onebuf.buf;
1733 }
1734 printf("%s -> ", one);
1735 strbuf_release(&onebuf);
1736 }
1737 one = quote_path(it->string, s->prefix, &onebuf);
1738 if (*one != '"' && strchr(one, ' ') != NULL) {
1739 putchar('"');
1740 strbuf_addch(&onebuf, '"');
1741 one = onebuf.buf;
1742 }
1743 printf("%s\n", one);
1744 strbuf_release(&onebuf);
1745 }
1746 }
1747
1748 static void wt_shortstatus_other(struct string_list_item *it,
1749 struct wt_status *s, const char *sign)
1750 {
1751 if (s->null_termination) {
1752 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1753 } else {
1754 struct strbuf onebuf = STRBUF_INIT;
1755 const char *one;
1756 one = quote_path(it->string, s->prefix, &onebuf);
1757 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1758 printf(" %s\n", one);
1759 strbuf_release(&onebuf);
1760 }
1761 }
1762
1763 static void wt_shortstatus_print_tracking(struct wt_status *s)
1764 {
1765 struct branch *branch;
1766 const char *header_color = color(WT_STATUS_HEADER, s);
1767 const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1768 const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1769
1770 const char *base;
1771 char *short_base;
1772 const char *branch_name;
1773 int num_ours, num_theirs;
1774 int upstream_is_gone = 0;
1775
1776 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1777
1778 if (!s->branch)
1779 return;
1780 branch_name = s->branch;
1781
1782 #define LABEL(string) (s->no_gettext ? (string) : _(string))
1783
1784 if (s->is_initial)
1785 color_fprintf(s->fp, header_color, LABEL(N_("No commits yet on ")));
1786
1787 if (!strcmp(s->branch, "HEAD")) {
1788 color_fprintf(s->fp, color(WT_STATUS_NOBRANCH, s), "%s",
1789 LABEL(N_("HEAD (no branch)")));
1790 goto conclude;
1791 }
1792
1793 skip_prefix(branch_name, "refs/heads/", &branch_name);
1794
1795 branch = branch_get(branch_name);
1796
1797 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1798
1799 if (stat_tracking_info(branch, &num_ours, &num_theirs, &base) < 0) {
1800 if (!base)
1801 goto conclude;
1802
1803 upstream_is_gone = 1;
1804 }
1805
1806 short_base = shorten_unambiguous_ref(base, 0);
1807 color_fprintf(s->fp, header_color, "...");
1808 color_fprintf(s->fp, branch_color_remote, "%s", short_base);
1809 free(short_base);
1810
1811 if (!upstream_is_gone && !num_ours && !num_theirs)
1812 goto conclude;
1813
1814 color_fprintf(s->fp, header_color, " [");
1815 if (upstream_is_gone) {
1816 color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1817 } else if (!num_ours) {
1818 color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1819 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1820 } else if (!num_theirs) {
1821 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1822 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1823 } else {
1824 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1825 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1826 color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1827 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1828 }
1829
1830 color_fprintf(s->fp, header_color, "]");
1831 conclude:
1832 fputc(s->null_termination ? '\0' : '\n', s->fp);
1833 }
1834
1835 static void wt_shortstatus_print(struct wt_status *s)
1836 {
1837 struct string_list_item *it;
1838
1839 if (s->show_branch)
1840 wt_shortstatus_print_tracking(s);
1841
1842 for_each_string_list_item(it, &s->change) {
1843 struct wt_status_change_data *d = it->util;
1844
1845 if (d->stagemask)
1846 wt_shortstatus_unmerged(it, s);
1847 else
1848 wt_shortstatus_status(it, s);
1849 }
1850 for_each_string_list_item(it, &s->untracked)
1851 wt_shortstatus_other(it, s, "??");
1852
1853 for_each_string_list_item(it, &s->ignored)
1854 wt_shortstatus_other(it, s, "!!");
1855 }
1856
1857 static void wt_porcelain_print(struct wt_status *s)
1858 {
1859 s->use_color = 0;
1860 s->relative_paths = 0;
1861 s->prefix = NULL;
1862 s->no_gettext = 1;
1863 wt_shortstatus_print(s);
1864 }
1865
1866 /*
1867 * Print branch information for porcelain v2 output. These lines
1868 * are printed when the '--branch' parameter is given.
1869 *
1870 * # branch.oid <commit><eol>
1871 * # branch.head <head><eol>
1872 * [# branch.upstream <upstream><eol>
1873 * [# branch.ab +<ahead> -<behind><eol>]]
1874 *
1875 * <commit> ::= the current commit hash or the the literal
1876 * "(initial)" to indicate an initialized repo
1877 * with no commits.
1878 *
1879 * <head> ::= <branch_name> the current branch name or
1880 * "(detached)" literal when detached head or
1881 * "(unknown)" when something is wrong.
1882 *
1883 * <upstream> ::= the upstream branch name, when set.
1884 *
1885 * <ahead> ::= integer ahead value, when upstream set
1886 * and the commit is present (not gone).
1887 *
1888 * <behind> ::= integer behind value, when upstream set
1889 * and commit is present.
1890 *
1891 *
1892 * The end-of-line is defined by the -z flag.
1893 *
1894 * <eol> ::= NUL when -z,
1895 * LF when NOT -z.
1896 *
1897 */
1898 static void wt_porcelain_v2_print_tracking(struct wt_status *s)
1899 {
1900 struct branch *branch;
1901 const char *base;
1902 const char *branch_name;
1903 struct wt_status_state state;
1904 int ab_info, nr_ahead, nr_behind;
1905 char eol = s->null_termination ? '\0' : '\n';
1906
1907 memset(&state, 0, sizeof(state));
1908 wt_status_get_state(&state, s->branch && !strcmp(s->branch, "HEAD"));
1909
1910 fprintf(s->fp, "# branch.oid %s%c",
1911 (s->is_initial ? "(initial)" : sha1_to_hex(s->sha1_commit)),
1912 eol);
1913
1914 if (!s->branch)
1915 fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol);
1916 else {
1917 if (!strcmp(s->branch, "HEAD")) {
1918 fprintf(s->fp, "# branch.head %s%c", "(detached)", eol);
1919
1920 if (state.rebase_in_progress || state.rebase_interactive_in_progress)
1921 branch_name = state.onto;
1922 else if (state.detached_from)
1923 branch_name = state.detached_from;
1924 else
1925 branch_name = "";
1926 } else {
1927 branch_name = NULL;
1928 skip_prefix(s->branch, "refs/heads/", &branch_name);
1929
1930 fprintf(s->fp, "# branch.head %s%c", branch_name, eol);
1931 }
1932
1933 /* Lookup stats on the upstream tracking branch, if set. */
1934 branch = branch_get(branch_name);
1935 base = NULL;
1936 ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0);
1937 if (base) {
1938 base = shorten_unambiguous_ref(base, 0);
1939 fprintf(s->fp, "# branch.upstream %s%c", base, eol);
1940 free((char *)base);
1941
1942 if (ab_info)
1943 fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol);
1944 }
1945 }
1946
1947 free(state.branch);
1948 free(state.onto);
1949 free(state.detached_from);
1950 }
1951
1952 /*
1953 * Convert various submodule status values into a
1954 * fixed-length string of characters in the buffer provided.
1955 */
1956 static void wt_porcelain_v2_submodule_state(
1957 struct wt_status_change_data *d,
1958 char sub[5])
1959 {
1960 if (S_ISGITLINK(d->mode_head) ||
1961 S_ISGITLINK(d->mode_index) ||
1962 S_ISGITLINK(d->mode_worktree)) {
1963 sub[0] = 'S';
1964 sub[1] = d->new_submodule_commits ? 'C' : '.';
1965 sub[2] = (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED) ? 'M' : '.';
1966 sub[3] = (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) ? 'U' : '.';
1967 } else {
1968 sub[0] = 'N';
1969 sub[1] = '.';
1970 sub[2] = '.';
1971 sub[3] = '.';
1972 }
1973 sub[4] = 0;
1974 }
1975
1976 /*
1977 * Fix-up changed entries before we print them.
1978 */
1979 static void wt_porcelain_v2_fix_up_changed(
1980 struct string_list_item *it,
1981 struct wt_status *s)
1982 {
1983 struct wt_status_change_data *d = it->util;
1984
1985 if (!d->index_status) {
1986 /*
1987 * This entry is unchanged in the index (relative to the head).
1988 * Therefore, the collect_updated_cb was never called for this
1989 * entry (during the head-vs-index scan) and so the head column
1990 * fields were never set.
1991 *
1992 * We must have data for the index column (from the
1993 * index-vs-worktree scan (otherwise, this entry should not be
1994 * in the list of changes)).
1995 *
1996 * Copy index column fields to the head column, so that our
1997 * output looks complete.
1998 */
1999 assert(d->mode_head == 0);
2000 d->mode_head = d->mode_index;
2001 oidcpy(&d->oid_head, &d->oid_index);
2002 }
2003
2004 if (!d->worktree_status) {
2005 /*
2006 * This entry is unchanged in the worktree (relative to the index).
2007 * Therefore, the collect_changed_cb was never called for this entry
2008 * (during the index-vs-worktree scan) and so the worktree column
2009 * fields were never set.
2010 *
2011 * We must have data for the index column (from the head-vs-index
2012 * scan).
2013 *
2014 * Copy the index column fields to the worktree column so that
2015 * our output looks complete.
2016 *
2017 * Note that we only have a mode field in the worktree column
2018 * because the scan code tries really hard to not have to compute it.
2019 */
2020 assert(d->mode_worktree == 0);
2021 d->mode_worktree = d->mode_index;
2022 }
2023 }
2024
2025 /*
2026 * Print porcelain v2 info for tracked entries with changes.
2027 */
2028 static void wt_porcelain_v2_print_changed_entry(
2029 struct string_list_item *it,
2030 struct wt_status *s)
2031 {
2032 struct wt_status_change_data *d = it->util;
2033 struct strbuf buf_index = STRBUF_INIT;
2034 struct strbuf buf_head = STRBUF_INIT;
2035 const char *path_index = NULL;
2036 const char *path_head = NULL;
2037 char key[3];
2038 char submodule_token[5];
2039 char sep_char, eol_char;
2040
2041 wt_porcelain_v2_fix_up_changed(it, s);
2042 wt_porcelain_v2_submodule_state(d, submodule_token);
2043
2044 key[0] = d->index_status ? d->index_status : '.';
2045 key[1] = d->worktree_status ? d->worktree_status : '.';
2046 key[2] = 0;
2047
2048 if (s->null_termination) {
2049 /*
2050 * In -z mode, we DO NOT C-quote pathnames. Current path is ALWAYS first.
2051 * A single NUL character separates them.
2052 */
2053 sep_char = '\0';
2054 eol_char = '\0';
2055 path_index = it->string;
2056 path_head = d->head_path;
2057 } else {
2058 /*
2059 * Path(s) are C-quoted if necessary. Current path is ALWAYS first.
2060 * The source path is only present when necessary.
2061 * A single TAB separates them (because paths can contain spaces
2062 * which are not escaped and C-quoting does escape TAB characters).
2063 */
2064 sep_char = '\t';
2065 eol_char = '\n';
2066 path_index = quote_path(it->string, s->prefix, &buf_index);
2067 if (d->head_path)
2068 path_head = quote_path(d->head_path, s->prefix, &buf_head);
2069 }
2070
2071 if (path_head)
2072 fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c",
2073 key, submodule_token,
2074 d->mode_head, d->mode_index, d->mode_worktree,
2075 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2076 key[0], d->score,
2077 path_index, sep_char, path_head, eol_char);
2078 else
2079 fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c",
2080 key, submodule_token,
2081 d->mode_head, d->mode_index, d->mode_worktree,
2082 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2083 path_index, eol_char);
2084
2085 strbuf_release(&buf_index);
2086 strbuf_release(&buf_head);
2087 }
2088
2089 /*
2090 * Print porcelain v2 status info for unmerged entries.
2091 */
2092 static void wt_porcelain_v2_print_unmerged_entry(
2093 struct string_list_item *it,
2094 struct wt_status *s)
2095 {
2096 struct wt_status_change_data *d = it->util;
2097 const struct cache_entry *ce;
2098 struct strbuf buf_index = STRBUF_INIT;
2099 const char *path_index = NULL;
2100 int pos, stage, sum;
2101 struct {
2102 int mode;
2103 struct object_id oid;
2104 } stages[3];
2105 char *key;
2106 char submodule_token[5];
2107 char unmerged_prefix = 'u';
2108 char eol_char = s->null_termination ? '\0' : '\n';
2109
2110 wt_porcelain_v2_submodule_state(d, submodule_token);
2111
2112 switch (d->stagemask) {
2113 case 1: key = "DD"; break; /* both deleted */
2114 case 2: key = "AU"; break; /* added by us */
2115 case 3: key = "UD"; break; /* deleted by them */
2116 case 4: key = "UA"; break; /* added by them */
2117 case 5: key = "DU"; break; /* deleted by us */
2118 case 6: key = "AA"; break; /* both added */
2119 case 7: key = "UU"; break; /* both modified */
2120 default:
2121 die("BUG: unhandled unmerged status %x", d->stagemask);
2122 }
2123
2124 /*
2125 * Disregard d.aux.porcelain_v2 data that we accumulated
2126 * for the head and index columns during the scans and
2127 * replace with the actual stage data.
2128 *
2129 * Note that this is a last-one-wins for each the individual
2130 * stage [123] columns in the event of multiple cache entries
2131 * for same stage.
2132 */
2133 memset(stages, 0, sizeof(stages));
2134 sum = 0;
2135 pos = cache_name_pos(it->string, strlen(it->string));
2136 assert(pos < 0);
2137 pos = -pos-1;
2138 while (pos < active_nr) {
2139 ce = active_cache[pos++];
2140 stage = ce_stage(ce);
2141 if (strcmp(ce->name, it->string) || !stage)
2142 break;
2143 stages[stage - 1].mode = ce->ce_mode;
2144 oidcpy(&stages[stage - 1].oid, &ce->oid);
2145 sum |= (1 << (stage - 1));
2146 }
2147 if (sum != d->stagemask)
2148 die("BUG: observed stagemask 0x%x != expected stagemask 0x%x", sum, d->stagemask);
2149
2150 if (s->null_termination)
2151 path_index = it->string;
2152 else
2153 path_index = quote_path(it->string, s->prefix, &buf_index);
2154
2155 fprintf(s->fp, "%c %s %s %06o %06o %06o %06o %s %s %s %s%c",
2156 unmerged_prefix, key, submodule_token,
2157 stages[0].mode, /* stage 1 */
2158 stages[1].mode, /* stage 2 */
2159 stages[2].mode, /* stage 3 */
2160 d->mode_worktree,
2161 oid_to_hex(&stages[0].oid), /* stage 1 */
2162 oid_to_hex(&stages[1].oid), /* stage 2 */
2163 oid_to_hex(&stages[2].oid), /* stage 3 */
2164 path_index,
2165 eol_char);
2166
2167 strbuf_release(&buf_index);
2168 }
2169
2170 /*
2171 * Print porcelain V2 status info for untracked and ignored entries.
2172 */
2173 static void wt_porcelain_v2_print_other(
2174 struct string_list_item *it,
2175 struct wt_status *s,
2176 char prefix)
2177 {
2178 struct strbuf buf = STRBUF_INIT;
2179 const char *path;
2180 char eol_char;
2181
2182 if (s->null_termination) {
2183 path = it->string;
2184 eol_char = '\0';
2185 } else {
2186 path = quote_path(it->string, s->prefix, &buf);
2187 eol_char = '\n';
2188 }
2189
2190 fprintf(s->fp, "%c %s%c", prefix, path, eol_char);
2191
2192 strbuf_release(&buf);
2193 }
2194
2195 /*
2196 * Print porcelain V2 status.
2197 *
2198 * [<v2_branch>]
2199 * [<v2_changed_items>]*
2200 * [<v2_unmerged_items>]*
2201 * [<v2_untracked_items>]*
2202 * [<v2_ignored_items>]*
2203 *
2204 */
2205 static void wt_porcelain_v2_print(struct wt_status *s)
2206 {
2207 struct wt_status_change_data *d;
2208 struct string_list_item *it;
2209 int i;
2210
2211 if (s->show_branch)
2212 wt_porcelain_v2_print_tracking(s);
2213
2214 for (i = 0; i < s->change.nr; i++) {
2215 it = &(s->change.items[i]);
2216 d = it->util;
2217 if (!d->stagemask)
2218 wt_porcelain_v2_print_changed_entry(it, s);
2219 }
2220
2221 for (i = 0; i < s->change.nr; i++) {
2222 it = &(s->change.items[i]);
2223 d = it->util;
2224 if (d->stagemask)
2225 wt_porcelain_v2_print_unmerged_entry(it, s);
2226 }
2227
2228 for (i = 0; i < s->untracked.nr; i++) {
2229 it = &(s->untracked.items[i]);
2230 wt_porcelain_v2_print_other(it, s, '?');
2231 }
2232
2233 for (i = 0; i < s->ignored.nr; i++) {
2234 it = &(s->ignored.items[i]);
2235 wt_porcelain_v2_print_other(it, s, '!');
2236 }
2237 }
2238
2239 void wt_status_print(struct wt_status *s)
2240 {
2241 switch (s->status_format) {
2242 case STATUS_FORMAT_SHORT:
2243 wt_shortstatus_print(s);
2244 break;
2245 case STATUS_FORMAT_PORCELAIN:
2246 wt_porcelain_print(s);
2247 break;
2248 case STATUS_FORMAT_PORCELAIN_V2:
2249 wt_porcelain_v2_print(s);
2250 break;
2251 case STATUS_FORMAT_UNSPECIFIED:
2252 die("BUG: finalize_deferred_config() should have been called");
2253 break;
2254 case STATUS_FORMAT_NONE:
2255 case STATUS_FORMAT_LONG:
2256 wt_longstatus_print(s);
2257 break;
2258 }
2259 }
2260
2261 /**
2262 * Returns 1 if there are unstaged changes, 0 otherwise.
2263 */
2264 int has_unstaged_changes(int ignore_submodules)
2265 {
2266 struct rev_info rev_info;
2267 int result;
2268
2269 init_revisions(&rev_info, NULL);
2270 if (ignore_submodules) {
2271 rev_info.diffopt.flags.ignore_submodules = 1;
2272 rev_info.diffopt.flags.override_submodule_config = 1;
2273 }
2274 rev_info.diffopt.flags.quick = 1;
2275 diff_setup_done(&rev_info.diffopt);
2276 result = run_diff_files(&rev_info, 0);
2277 return diff_result_code(&rev_info.diffopt, result);
2278 }
2279
2280 /**
2281 * Returns 1 if there are uncommitted changes, 0 otherwise.
2282 */
2283 int has_uncommitted_changes(int ignore_submodules)
2284 {
2285 struct rev_info rev_info;
2286 int result;
2287
2288 if (is_cache_unborn())
2289 return 0;
2290
2291 init_revisions(&rev_info, NULL);
2292 if (ignore_submodules)
2293 rev_info.diffopt.flags.ignore_submodules = 1;
2294 rev_info.diffopt.flags.quick = 1;
2295 add_head_to_pending(&rev_info);
2296 diff_setup_done(&rev_info.diffopt);
2297 result = run_diff_index(&rev_info, 1);
2298 return diff_result_code(&rev_info.diffopt, result);
2299 }
2300
2301 /**
2302 * If the work tree has unstaged or uncommitted changes, dies with the
2303 * appropriate message.
2304 */
2305 int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
2306 {
2307 struct lock_file lock_file = LOCK_INIT;
2308 int err = 0, fd;
2309
2310 fd = hold_locked_index(&lock_file, 0);
2311 refresh_cache(REFRESH_QUIET);
2312 if (0 <= fd)
2313 update_index_if_able(&the_index, &lock_file);
2314 rollback_lock_file(&lock_file);
2315
2316 if (has_unstaged_changes(ignore_submodules)) {
2317 /* TRANSLATORS: the action is e.g. "pull with rebase" */
2318 error(_("cannot %s: You have unstaged changes."), _(action));
2319 err = 1;
2320 }
2321
2322 if (has_uncommitted_changes(ignore_submodules)) {
2323 if (err)
2324 error(_("additionally, your index contains uncommitted changes."));
2325 else
2326 error(_("cannot %s: Your index contains uncommitted changes."),
2327 _(action));
2328 err = 1;
2329 }
2330
2331 if (err) {
2332 if (hint)
2333 error("%s", hint);
2334 if (!gently)
2335 exit(128);
2336 }
2337
2338 return err;
2339 }
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