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show-ref: remove a stale comment
[git.git] / wt-status.c
bloba715e71906a9a2fbd62180dd017d140f68ad14a0
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 unsigned char sha1[20];
125
126 memset(s, 0, sizeof(*s));
127 memcpy(s->color_palette, default_wt_status_colors,
128 sizeof(default_wt_status_colors));
129 s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
130 s->use_color = -1;
131 s->relative_paths = 1;
132 s->branch = resolve_refdup("HEAD", 0, sha1, NULL);
133 s->reference = "HEAD";
134 s->fp = stdout;
135 s->index_file = get_index_file();
136 s->change.strdup_strings = 1;
137 s->untracked.strdup_strings = 1;
138 s->ignored.strdup_strings = 1;
139 s->show_branch = -1; /* unspecified */
140 s->display_comment_prefix = 0;
141 }
142
143 static void wt_longstatus_print_unmerged_header(struct wt_status *s)
144 {
145 int i;
146 int del_mod_conflict = 0;
147 int both_deleted = 0;
148 int not_deleted = 0;
149 const char *c = color(WT_STATUS_HEADER, s);
150
151 status_printf_ln(s, c, _("Unmerged paths:"));
152
153 for (i = 0; i < s->change.nr; i++) {
154 struct string_list_item *it = &(s->change.items[i]);
155 struct wt_status_change_data *d = it->util;
156
157 switch (d->stagemask) {
158 case 0:
159 break;
160 case 1:
161 both_deleted = 1;
162 break;
163 case 3:
164 case 5:
165 del_mod_conflict = 1;
166 break;
167 default:
168 not_deleted = 1;
169 break;
170 }
171 }
172
173 if (!s->hints)
174 return;
175 if (s->whence != FROM_COMMIT)
176 ;
177 else if (!s->is_initial)
178 status_printf_ln(s, c, _(" (use \"git reset %s <file>...\" to unstage)"), s->reference);
179 else
180 status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
181
182 if (!both_deleted) {
183 if (!del_mod_conflict)
184 status_printf_ln(s, c, _(" (use \"git add <file>...\" to mark resolution)"));
185 else
186 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
187 } else if (!del_mod_conflict && !not_deleted) {
188 status_printf_ln(s, c, _(" (use \"git rm <file>...\" to mark resolution)"));
189 } else {
190 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
191 }
192 status_printf_ln(s, c, "%s", "");
193 }
194
195 static void wt_longstatus_print_cached_header(struct wt_status *s)
196 {
197 const char *c = color(WT_STATUS_HEADER, s);
198
199 status_printf_ln(s, c, _("Changes to be committed:"));
200 if (!s->hints)
201 return;
202 if (s->whence != FROM_COMMIT)
203 ; /* NEEDSWORK: use "git reset --unresolve"??? */
204 else if (!s->is_initial)
205 status_printf_ln(s, c, _(" (use \"git reset %s <file>...\" to unstage)"), s->reference);
206 else
207 status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)"));
208 status_printf_ln(s, c, "%s", "");
209 }
210
211 static void wt_longstatus_print_dirty_header(struct wt_status *s,
212 int has_deleted,
213 int has_dirty_submodules)
214 {
215 const char *c = color(WT_STATUS_HEADER, s);
216
217 status_printf_ln(s, c, _("Changes not staged for commit:"));
218 if (!s->hints)
219 return;
220 if (!has_deleted)
221 status_printf_ln(s, c, _(" (use \"git add <file>...\" to update what will be committed)"));
222 else
223 status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" to update what will be committed)"));
224 status_printf_ln(s, c, _(" (use \"git checkout -- <file>...\" to discard changes in working directory)"));
225 if (has_dirty_submodules)
226 status_printf_ln(s, c, _(" (commit or discard the untracked or modified content in submodules)"));
227 status_printf_ln(s, c, "%s", "");
228 }
229
230 static void wt_longstatus_print_other_header(struct wt_status *s,
231 const char *what,
232 const char *how)
233 {
234 const char *c = color(WT_STATUS_HEADER, s);
235 status_printf_ln(s, c, "%s:", what);
236 if (!s->hints)
237 return;
238 status_printf_ln(s, c, _(" (use \"git %s <file>...\" to include in what will be committed)"), how);
239 status_printf_ln(s, c, "%s", "");
240 }
241
242 static void wt_longstatus_print_trailer(struct wt_status *s)
243 {
244 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
245 }
246
247 #define quote_path quote_path_relative
248
249 static const char *wt_status_unmerged_status_string(int stagemask)
250 {
251 switch (stagemask) {
252 case 1:
253 return _("both deleted:");
254 case 2:
255 return _("added by us:");
256 case 3:
257 return _("deleted by them:");
258 case 4:
259 return _("added by them:");
260 case 5:
261 return _("deleted by us:");
262 case 6:
263 return _("both added:");
264 case 7:
265 return _("both modified:");
266 default:
267 die("BUG: unhandled unmerged status %x", stagemask);
268 }
269 }
270
271 static const char *wt_status_diff_status_string(int status)
272 {
273 switch (status) {
274 case DIFF_STATUS_ADDED:
275 return _("new file:");
276 case DIFF_STATUS_COPIED:
277 return _("copied:");
278 case DIFF_STATUS_DELETED:
279 return _("deleted:");
280 case DIFF_STATUS_MODIFIED:
281 return _("modified:");
282 case DIFF_STATUS_RENAMED:
283 return _("renamed:");
284 case DIFF_STATUS_TYPE_CHANGED:
285 return _("typechange:");
286 case DIFF_STATUS_UNKNOWN:
287 return _("unknown:");
288 case DIFF_STATUS_UNMERGED:
289 return _("unmerged:");
290 default:
291 return NULL;
292 }
293 }
294
295 static int maxwidth(const char *(*label)(int), int minval, int maxval)
296 {
297 int result = 0, i;
298
299 for (i = minval; i <= maxval; i++) {
300 const char *s = label(i);
301 int len = s ? utf8_strwidth(s) : 0;
302 if (len > result)
303 result = len;
304 }
305 return result;
306 }
307
308 static void wt_longstatus_print_unmerged_data(struct wt_status *s,
309 struct string_list_item *it)
310 {
311 const char *c = color(WT_STATUS_UNMERGED, s);
312 struct wt_status_change_data *d = it->util;
313 struct strbuf onebuf = STRBUF_INIT;
314 static char *padding;
315 static int label_width;
316 const char *one, *how;
317 int len;
318
319 if (!padding) {
320 label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
321 label_width += strlen(" ");
322 padding = xmallocz(label_width);
323 memset(padding, ' ', label_width);
324 }
325
326 one = quote_path(it->string, s->prefix, &onebuf);
327 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
328
329 how = wt_status_unmerged_status_string(d->stagemask);
330 len = label_width - utf8_strwidth(how);
331 status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
332 strbuf_release(&onebuf);
333 }
334
335 static void wt_longstatus_print_change_data(struct wt_status *s,
336 int change_type,
337 struct string_list_item *it)
338 {
339 struct wt_status_change_data *d = it->util;
340 const char *c = color(change_type, s);
341 int status;
342 char *one_name;
343 char *two_name;
344 const char *one, *two;
345 struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
346 struct strbuf extra = STRBUF_INIT;
347 static char *padding;
348 static int label_width;
349 const char *what;
350 int len;
351
352 if (!padding) {
353 /* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
354 label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
355 label_width += strlen(" ");
356 padding = xmallocz(label_width);
357 memset(padding, ' ', label_width);
358 }
359
360 one_name = two_name = it->string;
361 switch (change_type) {
362 case WT_STATUS_UPDATED:
363 status = d->index_status;
364 if (d->head_path)
365 one_name = d->head_path;
366 break;
367 case WT_STATUS_CHANGED:
368 if (d->new_submodule_commits || d->dirty_submodule) {
369 strbuf_addstr(&extra, " (");
370 if (d->new_submodule_commits)
371 strbuf_addstr(&extra, _("new commits, "));
372 if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
373 strbuf_addstr(&extra, _("modified content, "));
374 if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
375 strbuf_addstr(&extra, _("untracked content, "));
376 strbuf_setlen(&extra, extra.len - 2);
377 strbuf_addch(&extra, ')');
378 }
379 status = d->worktree_status;
380 break;
381 default:
382 die("BUG: unhandled change_type %d in wt_longstatus_print_change_data",
383 change_type);
384 }
385
386 one = quote_path(one_name, s->prefix, &onebuf);
387 two = quote_path(two_name, s->prefix, &twobuf);
388
389 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
390 what = wt_status_diff_status_string(status);
391 if (!what)
392 die("BUG: unhandled diff status %c", status);
393 len = label_width - utf8_strwidth(what);
394 assert(len >= 0);
395 if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
396 status_printf_more(s, c, "%s%.*s%s -> %s",
397 what, len, padding, one, two);
398 else
399 status_printf_more(s, c, "%s%.*s%s",
400 what, len, padding, one);
401 if (extra.len) {
402 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
403 strbuf_release(&extra);
404 }
405 status_printf_more(s, GIT_COLOR_NORMAL, "\n");
406 strbuf_release(&onebuf);
407 strbuf_release(&twobuf);
408 }
409
410 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
411 struct diff_options *options,
412 void *data)
413 {
414 struct wt_status *s = data;
415 int i;
416
417 if (!q->nr)
418 return;
419 s->workdir_dirty = 1;
420 for (i = 0; i < q->nr; i++) {
421 struct diff_filepair *p;
422 struct string_list_item *it;
423 struct wt_status_change_data *d;
424
425 p = q->queue[i];
426 it = string_list_insert(&s->change, p->one->path);
427 d = it->util;
428 if (!d) {
429 d = xcalloc(1, sizeof(*d));
430 it->util = d;
431 }
432 if (!d->worktree_status)
433 d->worktree_status = p->status;
434 d->dirty_submodule = p->two->dirty_submodule;
435 if (S_ISGITLINK(p->two->mode))
436 d->new_submodule_commits = !!oidcmp(&p->one->oid,
437 &p->two->oid);
438
439 switch (p->status) {
440 case DIFF_STATUS_ADDED:
441 d->mode_worktree = p->two->mode;
442 break;
443
444 case DIFF_STATUS_DELETED:
445 d->mode_index = p->one->mode;
446 oidcpy(&d->oid_index, &p->one->oid);
447 /* mode_worktree is zero for a delete. */
448 break;
449
450 case DIFF_STATUS_MODIFIED:
451 case DIFF_STATUS_TYPE_CHANGED:
452 case DIFF_STATUS_UNMERGED:
453 d->mode_index = p->one->mode;
454 d->mode_worktree = p->two->mode;
455 oidcpy(&d->oid_index, &p->one->oid);
456 break;
457
458 case DIFF_STATUS_UNKNOWN:
459 die("BUG: worktree status unknown???");
460 break;
461 }
462
463 }
464 }
465
466 static int unmerged_mask(const char *path)
467 {
468 int pos, mask;
469 const struct cache_entry *ce;
470
471 pos = cache_name_pos(path, strlen(path));
472 if (0 <= pos)
473 return 0;
474
475 mask = 0;
476 pos = -pos-1;
477 while (pos < active_nr) {
478 ce = active_cache[pos++];
479 if (strcmp(ce->name, path) || !ce_stage(ce))
480 break;
481 mask |= (1 << (ce_stage(ce) - 1));
482 }
483 return mask;
484 }
485
486 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
487 struct diff_options *options,
488 void *data)
489 {
490 struct wt_status *s = data;
491 int i;
492
493 for (i = 0; i < q->nr; i++) {
494 struct diff_filepair *p;
495 struct string_list_item *it;
496 struct wt_status_change_data *d;
497
498 p = q->queue[i];
499 it = string_list_insert(&s->change, p->two->path);
500 d = it->util;
501 if (!d) {
502 d = xcalloc(1, sizeof(*d));
503 it->util = d;
504 }
505 if (!d->index_status)
506 d->index_status = p->status;
507 switch (p->status) {
508 case DIFF_STATUS_ADDED:
509 /* Leave {mode,oid}_head zero for an add. */
510 d->mode_index = p->two->mode;
511 oidcpy(&d->oid_index, &p->two->oid);
512 break;
513 case DIFF_STATUS_DELETED:
514 d->mode_head = p->one->mode;
515 oidcpy(&d->oid_head, &p->one->oid);
516 /* Leave {mode,oid}_index zero for a delete. */
517 break;
518
519 case DIFF_STATUS_COPIED:
520 case DIFF_STATUS_RENAMED:
521 d->head_path = xstrdup(p->one->path);
522 d->score = p->score * 100 / MAX_SCORE;
523 /* fallthru */
524 case DIFF_STATUS_MODIFIED:
525 case DIFF_STATUS_TYPE_CHANGED:
526 d->mode_head = p->one->mode;
527 d->mode_index = p->two->mode;
528 oidcpy(&d->oid_head, &p->one->oid);
529 oidcpy(&d->oid_index, &p->two->oid);
530 break;
531 case DIFF_STATUS_UNMERGED:
532 d->stagemask = unmerged_mask(p->two->path);
533 /*
534 * Don't bother setting {mode,oid}_{head,index} since the print
535 * code will output the stage values directly and not use the
536 * values in these fields.
537 */
538 break;
539 }
540 }
541 }
542
543 static void wt_status_collect_changes_worktree(struct wt_status *s)
544 {
545 struct rev_info rev;
546
547 init_revisions(&rev, NULL);
548 setup_revisions(0, NULL, &rev, NULL);
549 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
550 DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
551 rev.diffopt.ita_invisible_in_index = 1;
552 if (!s->show_untracked_files)
553 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
554 if (s->ignore_submodule_arg) {
555 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
556 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
557 }
558 rev.diffopt.format_callback = wt_status_collect_changed_cb;
559 rev.diffopt.format_callback_data = s;
560 copy_pathspec(&rev.prune_data, &s->pathspec);
561 run_diff_files(&rev, 0);
562 }
563
564 static void wt_status_collect_changes_index(struct wt_status *s)
565 {
566 struct rev_info rev;
567 struct setup_revision_opt opt;
568
569 init_revisions(&rev, NULL);
570 memset(&opt, 0, sizeof(opt));
571 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
572 setup_revisions(0, NULL, &rev, &opt);
573
574 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
575 rev.diffopt.ita_invisible_in_index = 1;
576 if (s->ignore_submodule_arg) {
577 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
578 } else {
579 /*
580 * Unless the user did explicitly request a submodule ignore
581 * mode by passing a command line option we do not ignore any
582 * changed submodule SHA-1s when comparing index and HEAD, no
583 * matter what is configured. Otherwise the user won't be
584 * shown any submodules she manually added (and which are
585 * staged to be committed), which would be really confusing.
586 */
587 handle_ignore_submodules_arg(&rev.diffopt, "dirty");
588 }
589
590 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
591 rev.diffopt.format_callback = wt_status_collect_updated_cb;
592 rev.diffopt.format_callback_data = s;
593 rev.diffopt.detect_rename = 1;
594 rev.diffopt.rename_limit = 200;
595 rev.diffopt.break_opt = 0;
596 copy_pathspec(&rev.prune_data, &s->pathspec);
597 run_diff_index(&rev, 1);
598 }
599
600 static void wt_status_collect_changes_initial(struct wt_status *s)
601 {
602 int i;
603
604 for (i = 0; i < active_nr; i++) {
605 struct string_list_item *it;
606 struct wt_status_change_data *d;
607 const struct cache_entry *ce = active_cache[i];
608
609 if (!ce_path_match(ce, &s->pathspec, NULL))
610 continue;
611 if (ce_intent_to_add(ce))
612 continue;
613 it = string_list_insert(&s->change, ce->name);
614 d = it->util;
615 if (!d) {
616 d = xcalloc(1, sizeof(*d));
617 it->util = d;
618 }
619 if (ce_stage(ce)) {
620 d->index_status = DIFF_STATUS_UNMERGED;
621 d->stagemask |= (1 << (ce_stage(ce) - 1));
622 /*
623 * Don't bother setting {mode,oid}_{head,index} since the print
624 * code will output the stage values directly and not use the
625 * values in these fields.
626 */
627 } else {
628 d->index_status = DIFF_STATUS_ADDED;
629 /* Leave {mode,oid}_head zero for adds. */
630 d->mode_index = ce->ce_mode;
631 hashcpy(d->oid_index.hash, ce->oid.hash);
632 }
633 }
634 }
635
636 static void wt_status_collect_untracked(struct wt_status *s)
637 {
638 int i;
639 struct dir_struct dir;
640 uint64_t t_begin = getnanotime();
641
642 if (!s->show_untracked_files)
643 return;
644
645 memset(&dir, 0, sizeof(dir));
646 if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
647 dir.flags |=
648 DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
649 if (s->show_ignored_files)
650 dir.flags |= DIR_SHOW_IGNORED_TOO;
651 else
652 dir.untracked = the_index.untracked;
653 setup_standard_excludes(&dir);
654
655 fill_directory(&dir, &s->pathspec);
656
657 for (i = 0; i < dir.nr; i++) {
658 struct dir_entry *ent = dir.entries[i];
659 if (cache_name_is_other(ent->name, ent->len) &&
660 dir_path_match(ent, &s->pathspec, 0, NULL))
661 string_list_insert(&s->untracked, ent->name);
662 free(ent);
663 }
664
665 for (i = 0; i < dir.ignored_nr; i++) {
666 struct dir_entry *ent = dir.ignored[i];
667 if (cache_name_is_other(ent->name, ent->len) &&
668 dir_path_match(ent, &s->pathspec, 0, NULL))
669 string_list_insert(&s->ignored, ent->name);
670 free(ent);
671 }
672
673 free(dir.entries);
674 free(dir.ignored);
675 clear_directory(&dir);
676
677 if (advice_status_u_option)
678 s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
679 }
680
681 void wt_status_collect(struct wt_status *s)
682 {
683 wt_status_collect_changes_worktree(s);
684
685 if (s->is_initial)
686 wt_status_collect_changes_initial(s);
687 else
688 wt_status_collect_changes_index(s);
689 wt_status_collect_untracked(s);
690 }
691
692 static void wt_longstatus_print_unmerged(struct wt_status *s)
693 {
694 int shown_header = 0;
695 int i;
696
697 for (i = 0; i < s->change.nr; i++) {
698 struct wt_status_change_data *d;
699 struct string_list_item *it;
700 it = &(s->change.items[i]);
701 d = it->util;
702 if (!d->stagemask)
703 continue;
704 if (!shown_header) {
705 wt_longstatus_print_unmerged_header(s);
706 shown_header = 1;
707 }
708 wt_longstatus_print_unmerged_data(s, it);
709 }
710 if (shown_header)
711 wt_longstatus_print_trailer(s);
712
713 }
714
715 static void wt_longstatus_print_updated(struct wt_status *s)
716 {
717 int shown_header = 0;
718 int i;
719
720 for (i = 0; i < s->change.nr; i++) {
721 struct wt_status_change_data *d;
722 struct string_list_item *it;
723 it = &(s->change.items[i]);
724 d = it->util;
725 if (!d->index_status ||
726 d->index_status == DIFF_STATUS_UNMERGED)
727 continue;
728 if (!shown_header) {
729 wt_longstatus_print_cached_header(s);
730 s->commitable = 1;
731 shown_header = 1;
732 }
733 wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
734 }
735 if (shown_header)
736 wt_longstatus_print_trailer(s);
737 }
738
739 /*
740 * -1 : has delete
741 * 0 : no change
742 * 1 : some change but no delete
743 */
744 static int wt_status_check_worktree_changes(struct wt_status *s,
745 int *dirty_submodules)
746 {
747 int i;
748 int changes = 0;
749
750 *dirty_submodules = 0;
751
752 for (i = 0; i < s->change.nr; i++) {
753 struct wt_status_change_data *d;
754 d = s->change.items[i].util;
755 if (!d->worktree_status ||
756 d->worktree_status == DIFF_STATUS_UNMERGED)
757 continue;
758 if (!changes)
759 changes = 1;
760 if (d->dirty_submodule)
761 *dirty_submodules = 1;
762 if (d->worktree_status == DIFF_STATUS_DELETED)
763 changes = -1;
764 }
765 return changes;
766 }
767
768 static void wt_longstatus_print_changed(struct wt_status *s)
769 {
770 int i, dirty_submodules;
771 int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
772
773 if (!worktree_changes)
774 return;
775
776 wt_longstatus_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
777
778 for (i = 0; i < s->change.nr; i++) {
779 struct wt_status_change_data *d;
780 struct string_list_item *it;
781 it = &(s->change.items[i]);
782 d = it->util;
783 if (!d->worktree_status ||
784 d->worktree_status == DIFF_STATUS_UNMERGED)
785 continue;
786 wt_longstatus_print_change_data(s, WT_STATUS_CHANGED, it);
787 }
788 wt_longstatus_print_trailer(s);
789 }
790
791 static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncommitted)
792 {
793 struct child_process sm_summary = CHILD_PROCESS_INIT;
794 struct strbuf cmd_stdout = STRBUF_INIT;
795 struct strbuf summary = STRBUF_INIT;
796 char *summary_content;
797
798 argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
799 s->index_file);
800
801 argv_array_push(&sm_summary.args, "submodule");
802 argv_array_push(&sm_summary.args, "summary");
803 argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
804 argv_array_push(&sm_summary.args, "--for-status");
805 argv_array_push(&sm_summary.args, "--summary-limit");
806 argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
807 if (!uncommitted)
808 argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
809
810 sm_summary.git_cmd = 1;
811 sm_summary.no_stdin = 1;
812
813 capture_command(&sm_summary, &cmd_stdout, 1024);
814
815 /* prepend header, only if there's an actual output */
816 if (cmd_stdout.len) {
817 if (uncommitted)
818 strbuf_addstr(&summary, _("Submodules changed but not updated:"));
819 else
820 strbuf_addstr(&summary, _("Submodule changes to be committed:"));
821 strbuf_addstr(&summary, "\n\n");
822 }
823 strbuf_addbuf(&summary, &cmd_stdout);
824 strbuf_release(&cmd_stdout);
825
826 if (s->display_comment_prefix) {
827 size_t len;
828 summary_content = strbuf_detach(&summary, &len);
829 strbuf_add_commented_lines(&summary, summary_content, len);
830 free(summary_content);
831 }
832
833 fputs(summary.buf, s->fp);
834 strbuf_release(&summary);
835 }
836
837 static void wt_longstatus_print_other(struct wt_status *s,
838 struct string_list *l,
839 const char *what,
840 const char *how)
841 {
842 int i;
843 struct strbuf buf = STRBUF_INIT;
844 static struct string_list output = STRING_LIST_INIT_DUP;
845 struct column_options copts;
846
847 if (!l->nr)
848 return;
849
850 wt_longstatus_print_other_header(s, what, how);
851
852 for (i = 0; i < l->nr; i++) {
853 struct string_list_item *it;
854 const char *path;
855 it = &(l->items[i]);
856 path = quote_path(it->string, s->prefix, &buf);
857 if (column_active(s->colopts)) {
858 string_list_append(&output, path);
859 continue;
860 }
861 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
862 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
863 "%s\n", path);
864 }
865
866 strbuf_release(&buf);
867 if (!column_active(s->colopts))
868 goto conclude;
869
870 strbuf_addf(&buf, "%s%s\t%s",
871 color(WT_STATUS_HEADER, s),
872 s->display_comment_prefix ? "#" : "",
873 color(WT_STATUS_UNTRACKED, s));
874 memset(&copts, 0, sizeof(copts));
875 copts.padding = 1;
876 copts.indent = buf.buf;
877 if (want_color(s->use_color))
878 copts.nl = GIT_COLOR_RESET "\n";
879 print_columns(&output, s->colopts, &copts);
880 string_list_clear(&output, 0);
881 strbuf_release(&buf);
882 conclude:
883 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
884 }
885
886 void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
887 {
888 const char *p;
889 struct strbuf pattern = STRBUF_INIT;
890
891 strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line);
892 if (starts_with(buf->buf, pattern.buf + 1))
893 strbuf_setlen(buf, 0);
894 else if ((p = strstr(buf->buf, pattern.buf)))
895 strbuf_setlen(buf, p - buf->buf + 1);
896 strbuf_release(&pattern);
897 }
898
899 void wt_status_add_cut_line(FILE *fp)
900 {
901 const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
902 struct strbuf buf = STRBUF_INIT;
903
904 fprintf(fp, "%c %s", comment_line_char, cut_line);
905 strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
906 fputs(buf.buf, fp);
907 strbuf_release(&buf);
908 }
909
910 static void wt_longstatus_print_verbose(struct wt_status *s)
911 {
912 struct rev_info rev;
913 struct setup_revision_opt opt;
914 int dirty_submodules;
915 const char *c = color(WT_STATUS_HEADER, s);
916
917 init_revisions(&rev, NULL);
918 DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
919 rev.diffopt.ita_invisible_in_index = 1;
920
921 memset(&opt, 0, sizeof(opt));
922 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
923 setup_revisions(0, NULL, &rev, &opt);
924
925 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
926 rev.diffopt.detect_rename = 1;
927 rev.diffopt.file = s->fp;
928 rev.diffopt.close_file = 0;
929 /*
930 * If we're not going to stdout, then we definitely don't
931 * want color, since we are going to the commit message
932 * file (and even the "auto" setting won't work, since it
933 * will have checked isatty on stdout). But we then do want
934 * to insert the scissor line here to reliably remove the
935 * diff before committing.
936 */
937 if (s->fp != stdout) {
938 rev.diffopt.use_color = 0;
939 wt_status_add_cut_line(s->fp);
940 }
941 if (s->verbose > 1 && s->commitable) {
942 /* print_updated() printed a header, so do we */
943 if (s->fp != stdout)
944 wt_longstatus_print_trailer(s);
945 status_printf_ln(s, c, _("Changes to be committed:"));
946 rev.diffopt.a_prefix = "c/";
947 rev.diffopt.b_prefix = "i/";
948 } /* else use prefix as per user config */
949 run_diff_index(&rev, 1);
950 if (s->verbose > 1 &&
951 wt_status_check_worktree_changes(s, &dirty_submodules)) {
952 status_printf_ln(s, c,
953 "--------------------------------------------------");
954 status_printf_ln(s, c, _("Changes not staged for commit:"));
955 setup_work_tree();
956 rev.diffopt.a_prefix = "i/";
957 rev.diffopt.b_prefix = "w/";
958 run_diff_files(&rev, 0);
959 }
960 }
961
962 static void wt_longstatus_print_tracking(struct wt_status *s)
963 {
964 struct strbuf sb = STRBUF_INIT;
965 const char *cp, *ep, *branch_name;
966 struct branch *branch;
967 char comment_line_string[3];
968 int i;
969
970 assert(s->branch && !s->is_initial);
971 if (!skip_prefix(s->branch, "refs/heads/", &branch_name))
972 return;
973 branch = branch_get(branch_name);
974 if (!format_tracking_info(branch, &sb))
975 return;
976
977 i = 0;
978 if (s->display_comment_prefix) {
979 comment_line_string[i++] = comment_line_char;
980 comment_line_string[i++] = ' ';
981 }
982 comment_line_string[i] = '\0';
983
984 for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
985 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
986 "%s%.*s", comment_line_string,
987 (int)(ep - cp), cp);
988 if (s->display_comment_prefix)
989 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
990 comment_line_char);
991 else
992 fputs("", s->fp);
993 }
994
995 static int has_unmerged(struct wt_status *s)
996 {
997 int i;
998
999 for (i = 0; i < s->change.nr; i++) {
1000 struct wt_status_change_data *d;
1001 d = s->change.items[i].util;
1002 if (d->stagemask)
1003 return 1;
1004 }
1005 return 0;
1006 }
1007
1008 static void show_merge_in_progress(struct wt_status *s,
1009 struct wt_status_state *state,
1010 const char *color)
1011 {
1012 if (has_unmerged(s)) {
1013 status_printf_ln(s, color, _("You have unmerged paths."));
1014 if (s->hints) {
1015 status_printf_ln(s, color,
1016 _(" (fix conflicts and run \"git commit\")"));
1017 status_printf_ln(s, color,
1018 _(" (use \"git merge --abort\" to abort the merge)"));
1019 }
1020 } else {
1021 s-> commitable = 1;
1022 status_printf_ln(s, color,
1023 _("All conflicts fixed but you are still merging."));
1024 if (s->hints)
1025 status_printf_ln(s, color,
1026 _(" (use \"git commit\" to conclude merge)"));
1027 }
1028 wt_longstatus_print_trailer(s);
1029 }
1030
1031 static void show_am_in_progress(struct wt_status *s,
1032 struct wt_status_state *state,
1033 const char *color)
1034 {
1035 status_printf_ln(s, color,
1036 _("You are in the middle of an am session."));
1037 if (state->am_empty_patch)
1038 status_printf_ln(s, color,
1039 _("The current patch is empty."));
1040 if (s->hints) {
1041 if (!state->am_empty_patch)
1042 status_printf_ln(s, color,
1043 _(" (fix conflicts and then run \"git am --continue\")"));
1044 status_printf_ln(s, color,
1045 _(" (use \"git am --skip\" to skip this patch)"));
1046 status_printf_ln(s, color,
1047 _(" (use \"git am --abort\" to restore the original branch)"));
1048 }
1049 wt_longstatus_print_trailer(s);
1050 }
1051
1052 static char *read_line_from_git_path(const char *filename)
1053 {
1054 struct strbuf buf = STRBUF_INIT;
1055 FILE *fp = fopen(git_path("%s", filename), "r");
1056 if (!fp) {
1057 strbuf_release(&buf);
1058 return NULL;
1059 }
1060 strbuf_getline_lf(&buf, fp);
1061 if (!fclose(fp)) {
1062 return strbuf_detach(&buf, NULL);
1063 } else {
1064 strbuf_release(&buf);
1065 return NULL;
1066 }
1067 }
1068
1069 static int split_commit_in_progress(struct wt_status *s)
1070 {
1071 int split_in_progress = 0;
1072 char *head = read_line_from_git_path("HEAD");
1073 char *orig_head = read_line_from_git_path("ORIG_HEAD");
1074 char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
1075 char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
1076
1077 if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
1078 !s->branch || strcmp(s->branch, "HEAD"))
1079 return split_in_progress;
1080
1081 if (!strcmp(rebase_amend, rebase_orig_head)) {
1082 if (strcmp(head, rebase_amend))
1083 split_in_progress = 1;
1084 } else if (strcmp(orig_head, rebase_orig_head)) {
1085 split_in_progress = 1;
1086 }
1087
1088 if (!s->amend && !s->nowarn && !s->workdir_dirty)
1089 split_in_progress = 0;
1090
1091 free(head);
1092 free(orig_head);
1093 free(rebase_amend);
1094 free(rebase_orig_head);
1095 return split_in_progress;
1096 }
1097
1098 /*
1099 * Turn
1100 * "pick d6a2f0303e897ec257dd0e0a39a5ccb709bc2047 some message"
1101 * into
1102 * "pick d6a2f03 some message"
1103 *
1104 * The function assumes that the line does not contain useless spaces
1105 * before or after the command.
1106 */
1107 static void abbrev_sha1_in_line(struct strbuf *line)
1108 {
1109 struct strbuf **split;
1110 int i;
1111
1112 if (starts_with(line->buf, "exec ") ||
1113 starts_with(line->buf, "x "))
1114 return;
1115
1116 split = strbuf_split_max(line, ' ', 3);
1117 if (split[0] && split[1]) {
1118 unsigned char sha1[20];
1119
1120 /*
1121 * strbuf_split_max left a space. Trim it and re-add
1122 * it after abbreviation.
1123 */
1124 strbuf_trim(split[1]);
1125 if (!get_sha1(split[1]->buf, sha1)) {
1126 strbuf_reset(split[1]);
1127 strbuf_add_unique_abbrev(split[1], sha1,
1128 DEFAULT_ABBREV);
1129 strbuf_addch(split[1], ' ');
1130 strbuf_reset(line);
1131 for (i = 0; split[i]; i++)
1132 strbuf_addbuf(line, split[i]);
1133 }
1134 }
1135 strbuf_list_free(split);
1136 }
1137
1138 static void read_rebase_todolist(const char *fname, struct string_list *lines)
1139 {
1140 struct strbuf line = STRBUF_INIT;
1141 FILE *f = fopen(git_path("%s", fname), "r");
1142
1143 if (!f)
1144 die_errno("Could not open file %s for reading",
1145 git_path("%s", fname));
1146 while (!strbuf_getline_lf(&line, f)) {
1147 if (line.len && line.buf[0] == comment_line_char)
1148 continue;
1149 strbuf_trim(&line);
1150 if (!line.len)
1151 continue;
1152 abbrev_sha1_in_line(&line);
1153 string_list_append(lines, line.buf);
1154 }
1155 }
1156
1157 static void show_rebase_information(struct wt_status *s,
1158 struct wt_status_state *state,
1159 const char *color)
1160 {
1161 if (state->rebase_interactive_in_progress) {
1162 int i;
1163 int nr_lines_to_show = 2;
1164
1165 struct string_list have_done = STRING_LIST_INIT_DUP;
1166 struct string_list yet_to_do = STRING_LIST_INIT_DUP;
1167
1168 read_rebase_todolist("rebase-merge/done", &have_done);
1169 read_rebase_todolist("rebase-merge/git-rebase-todo", &yet_to_do);
1170
1171 if (have_done.nr == 0)
1172 status_printf_ln(s, color, _("No commands done."));
1173 else {
1174 status_printf_ln(s, color,
1175 Q_("Last command done (%d command done):",
1176 "Last commands done (%d commands done):",
1177 have_done.nr),
1178 have_done.nr);
1179 for (i = (have_done.nr > nr_lines_to_show)
1180 ? have_done.nr - nr_lines_to_show : 0;
1181 i < have_done.nr;
1182 i++)
1183 status_printf_ln(s, color, " %s", have_done.items[i].string);
1184 if (have_done.nr > nr_lines_to_show && s->hints)
1185 status_printf_ln(s, color,
1186 _(" (see more in file %s)"), git_path("rebase-merge/done"));
1187 }
1188
1189 if (yet_to_do.nr == 0)
1190 status_printf_ln(s, color,
1191 _("No commands remaining."));
1192 else {
1193 status_printf_ln(s, color,
1194 Q_("Next command to do (%d remaining command):",
1195 "Next commands to do (%d remaining commands):",
1196 yet_to_do.nr),
1197 yet_to_do.nr);
1198 for (i = 0; i < nr_lines_to_show && i < yet_to_do.nr; i++)
1199 status_printf_ln(s, color, " %s", yet_to_do.items[i].string);
1200 if (s->hints)
1201 status_printf_ln(s, color,
1202 _(" (use \"git rebase --edit-todo\" to view and edit)"));
1203 }
1204 string_list_clear(&yet_to_do, 0);
1205 string_list_clear(&have_done, 0);
1206 }
1207 }
1208
1209 static void print_rebase_state(struct wt_status *s,
1210 struct wt_status_state *state,
1211 const char *color)
1212 {
1213 if (state->branch)
1214 status_printf_ln(s, color,
1215 _("You are currently rebasing branch '%s' on '%s'."),
1216 state->branch,
1217 state->onto);
1218 else
1219 status_printf_ln(s, color,
1220 _("You are currently rebasing."));
1221 }
1222
1223 static void show_rebase_in_progress(struct wt_status *s,
1224 struct wt_status_state *state,
1225 const char *color)
1226 {
1227 struct stat st;
1228
1229 show_rebase_information(s, state, color);
1230 if (has_unmerged(s)) {
1231 print_rebase_state(s, state, color);
1232 if (s->hints) {
1233 status_printf_ln(s, color,
1234 _(" (fix conflicts and then run \"git rebase --continue\")"));
1235 status_printf_ln(s, color,
1236 _(" (use \"git rebase --skip\" to skip this patch)"));
1237 status_printf_ln(s, color,
1238 _(" (use \"git rebase --abort\" to check out the original branch)"));
1239 }
1240 } else if (state->rebase_in_progress || !stat(git_path_merge_msg(), &st)) {
1241 print_rebase_state(s, state, color);
1242 if (s->hints)
1243 status_printf_ln(s, color,
1244 _(" (all conflicts fixed: run \"git rebase --continue\")"));
1245 } else if (split_commit_in_progress(s)) {
1246 if (state->branch)
1247 status_printf_ln(s, color,
1248 _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1249 state->branch,
1250 state->onto);
1251 else
1252 status_printf_ln(s, color,
1253 _("You are currently splitting a commit during a rebase."));
1254 if (s->hints)
1255 status_printf_ln(s, color,
1256 _(" (Once your working directory is clean, run \"git rebase --continue\")"));
1257 } else {
1258 if (state->branch)
1259 status_printf_ln(s, color,
1260 _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1261 state->branch,
1262 state->onto);
1263 else
1264 status_printf_ln(s, color,
1265 _("You are currently editing a commit during a rebase."));
1266 if (s->hints && !s->amend) {
1267 status_printf_ln(s, color,
1268 _(" (use \"git commit --amend\" to amend the current commit)"));
1269 status_printf_ln(s, color,
1270 _(" (use \"git rebase --continue\" once you are satisfied with your changes)"));
1271 }
1272 }
1273 wt_longstatus_print_trailer(s);
1274 }
1275
1276 static void show_cherry_pick_in_progress(struct wt_status *s,
1277 struct wt_status_state *state,
1278 const char *color)
1279 {
1280 status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1281 find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1282 if (s->hints) {
1283 if (has_unmerged(s))
1284 status_printf_ln(s, color,
1285 _(" (fix conflicts and run \"git cherry-pick --continue\")"));
1286 else
1287 status_printf_ln(s, color,
1288 _(" (all conflicts fixed: run \"git cherry-pick --continue\")"));
1289 status_printf_ln(s, color,
1290 _(" (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1291 }
1292 wt_longstatus_print_trailer(s);
1293 }
1294
1295 static void show_revert_in_progress(struct wt_status *s,
1296 struct wt_status_state *state,
1297 const char *color)
1298 {
1299 status_printf_ln(s, color, _("You are currently reverting commit %s."),
1300 find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1301 if (s->hints) {
1302 if (has_unmerged(s))
1303 status_printf_ln(s, color,
1304 _(" (fix conflicts and run \"git revert --continue\")"));
1305 else
1306 status_printf_ln(s, color,
1307 _(" (all conflicts fixed: run \"git revert --continue\")"));
1308 status_printf_ln(s, color,
1309 _(" (use \"git revert --abort\" to cancel the revert operation)"));
1310 }
1311 wt_longstatus_print_trailer(s);
1312 }
1313
1314 static void show_bisect_in_progress(struct wt_status *s,
1315 struct wt_status_state *state,
1316 const char *color)
1317 {
1318 if (state->branch)
1319 status_printf_ln(s, color,
1320 _("You are currently bisecting, started from branch '%s'."),
1321 state->branch);
1322 else
1323 status_printf_ln(s, color,
1324 _("You are currently bisecting."));
1325 if (s->hints)
1326 status_printf_ln(s, color,
1327 _(" (use \"git bisect reset\" to get back to the original branch)"));
1328 wt_longstatus_print_trailer(s);
1329 }
1330
1331 /*
1332 * Extract branch information from rebase/bisect
1333 */
1334 static char *get_branch(const struct worktree *wt, const char *path)
1335 {
1336 struct strbuf sb = STRBUF_INIT;
1337 unsigned char sha1[20];
1338 const char *branch_name;
1339
1340 if (strbuf_read_file(&sb, worktree_git_path(wt, "%s", path), 0) <= 0)
1341 goto got_nothing;
1342
1343 while (sb.len && sb.buf[sb.len - 1] == '\n')
1344 strbuf_setlen(&sb, sb.len - 1);
1345 if (!sb.len)
1346 goto got_nothing;
1347 if (skip_prefix(sb.buf, "refs/heads/", &branch_name))
1348 strbuf_remove(&sb, 0, branch_name - sb.buf);
1349 else if (starts_with(sb.buf, "refs/"))
1350 ;
1351 else if (!get_sha1_hex(sb.buf, sha1)) {
1352 strbuf_reset(&sb);
1353 strbuf_add_unique_abbrev(&sb, sha1, DEFAULT_ABBREV);
1354 } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1355 goto got_nothing;
1356 else /* bisect */
1357 ;
1358 return strbuf_detach(&sb, NULL);
1359
1360 got_nothing:
1361 strbuf_release(&sb);
1362 return NULL;
1363 }
1364
1365 struct grab_1st_switch_cbdata {
1366 struct strbuf buf;
1367 unsigned char nsha1[20];
1368 };
1369
1370 static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1371 const char *email, unsigned long timestamp, int tz,
1372 const char *message, void *cb_data)
1373 {
1374 struct grab_1st_switch_cbdata *cb = cb_data;
1375 const char *target = NULL, *end;
1376
1377 if (!skip_prefix(message, "checkout: moving from ", &message))
1378 return 0;
1379 target = strstr(message, " to ");
1380 if (!target)
1381 return 0;
1382 target += strlen(" to ");
1383 strbuf_reset(&cb->buf);
1384 hashcpy(cb->nsha1, nsha1);
1385 end = strchrnul(target, '\n');
1386 strbuf_add(&cb->buf, target, end - target);
1387 if (!strcmp(cb->buf.buf, "HEAD")) {
1388 /* HEAD is relative. Resolve it to the right reflog entry. */
1389 strbuf_reset(&cb->buf);
1390 strbuf_add_unique_abbrev(&cb->buf, nsha1, DEFAULT_ABBREV);
1391 }
1392 return 1;
1393 }
1394
1395 static void wt_status_get_detached_from(struct wt_status_state *state)
1396 {
1397 struct grab_1st_switch_cbdata cb;
1398 struct commit *commit;
1399 unsigned char sha1[20];
1400 char *ref = NULL;
1401
1402 strbuf_init(&cb.buf, 0);
1403 if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1404 strbuf_release(&cb.buf);
1405 return;
1406 }
1407
1408 if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1409 /* sha1 is a commit? match without further lookup */
1410 (!hashcmp(cb.nsha1, sha1) ||
1411 /* perhaps sha1 is a tag, try to dereference to a commit */
1412 ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1413 !hashcmp(cb.nsha1, commit->object.oid.hash)))) {
1414 const char *from = ref;
1415 if (!skip_prefix(from, "refs/tags/", &from))
1416 skip_prefix(from, "refs/remotes/", &from);
1417 state->detached_from = xstrdup(from);
1418 } else
1419 state->detached_from =
1420 xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1421 hashcpy(state->detached_sha1, cb.nsha1);
1422 state->detached_at = !get_sha1("HEAD", sha1) &&
1423 !hashcmp(sha1, state->detached_sha1);
1424
1425 free(ref);
1426 strbuf_release(&cb.buf);
1427 }
1428
1429 int wt_status_check_rebase(const struct worktree *wt,
1430 struct wt_status_state *state)
1431 {
1432 struct stat st;
1433
1434 if (!stat(worktree_git_path(wt, "rebase-apply"), &st)) {
1435 if (!stat(worktree_git_path(wt, "rebase-apply/applying"), &st)) {
1436 state->am_in_progress = 1;
1437 if (!stat(worktree_git_path(wt, "rebase-apply/patch"), &st) && !st.st_size)
1438 state->am_empty_patch = 1;
1439 } else {
1440 state->rebase_in_progress = 1;
1441 state->branch = get_branch(wt, "rebase-apply/head-name");
1442 state->onto = get_branch(wt, "rebase-apply/onto");
1443 }
1444 } else if (!stat(worktree_git_path(wt, "rebase-merge"), &st)) {
1445 if (!stat(worktree_git_path(wt, "rebase-merge/interactive"), &st))
1446 state->rebase_interactive_in_progress = 1;
1447 else
1448 state->rebase_in_progress = 1;
1449 state->branch = get_branch(wt, "rebase-merge/head-name");
1450 state->onto = get_branch(wt, "rebase-merge/onto");
1451 } else
1452 return 0;
1453 return 1;
1454 }
1455
1456 int wt_status_check_bisect(const struct worktree *wt,
1457 struct wt_status_state *state)
1458 {
1459 struct stat st;
1460
1461 if (!stat(worktree_git_path(wt, "BISECT_LOG"), &st)) {
1462 state->bisect_in_progress = 1;
1463 state->branch = get_branch(wt, "BISECT_START");
1464 return 1;
1465 }
1466 return 0;
1467 }
1468
1469 void wt_status_get_state(struct wt_status_state *state,
1470 int get_detached_from)
1471 {
1472 struct stat st;
1473 unsigned char sha1[20];
1474
1475 if (!stat(git_path_merge_head(), &st)) {
1476 state->merge_in_progress = 1;
1477 } else if (wt_status_check_rebase(NULL, state)) {
1478 ; /* all set */
1479 } else if (!stat(git_path_cherry_pick_head(), &st) &&
1480 !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1481 state->cherry_pick_in_progress = 1;
1482 hashcpy(state->cherry_pick_head_sha1, sha1);
1483 }
1484 wt_status_check_bisect(NULL, state);
1485 if (!stat(git_path_revert_head(), &st) &&
1486 !get_sha1("REVERT_HEAD", sha1)) {
1487 state->revert_in_progress = 1;
1488 hashcpy(state->revert_head_sha1, sha1);
1489 }
1490
1491 if (get_detached_from)
1492 wt_status_get_detached_from(state);
1493 }
1494
1495 static void wt_longstatus_print_state(struct wt_status *s,
1496 struct wt_status_state *state)
1497 {
1498 const char *state_color = color(WT_STATUS_HEADER, s);
1499 if (state->merge_in_progress)
1500 show_merge_in_progress(s, state, state_color);
1501 else if (state->am_in_progress)
1502 show_am_in_progress(s, state, state_color);
1503 else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1504 show_rebase_in_progress(s, state, state_color);
1505 else if (state->cherry_pick_in_progress)
1506 show_cherry_pick_in_progress(s, state, state_color);
1507 else if (state->revert_in_progress)
1508 show_revert_in_progress(s, state, state_color);
1509 if (state->bisect_in_progress)
1510 show_bisect_in_progress(s, state, state_color);
1511 }
1512
1513 static void wt_longstatus_print(struct wt_status *s)
1514 {
1515 const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1516 const char *branch_status_color = color(WT_STATUS_HEADER, s);
1517 struct wt_status_state state;
1518
1519 memset(&state, 0, sizeof(state));
1520 wt_status_get_state(&state,
1521 s->branch && !strcmp(s->branch, "HEAD"));
1522
1523 if (s->branch) {
1524 const char *on_what = _("On branch ");
1525 const char *branch_name = s->branch;
1526 if (!strcmp(branch_name, "HEAD")) {
1527 branch_status_color = color(WT_STATUS_NOBRANCH, s);
1528 if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1529 if (state.rebase_interactive_in_progress)
1530 on_what = _("interactive rebase in progress; onto ");
1531 else
1532 on_what = _("rebase in progress; onto ");
1533 branch_name = state.onto;
1534 } else if (state.detached_from) {
1535 branch_name = state.detached_from;
1536 if (state.detached_at)
1537 on_what = _("HEAD detached at ");
1538 else
1539 on_what = _("HEAD detached from ");
1540 } else {
1541 branch_name = "";
1542 on_what = _("Not currently on any branch.");
1543 }
1544 } else
1545 skip_prefix(branch_name, "refs/heads/", &branch_name);
1546 status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1547 status_printf_more(s, branch_status_color, "%s", on_what);
1548 status_printf_more(s, branch_color, "%s\n", branch_name);
1549 if (!s->is_initial)
1550 wt_longstatus_print_tracking(s);
1551 }
1552
1553 wt_longstatus_print_state(s, &state);
1554 free(state.branch);
1555 free(state.onto);
1556 free(state.detached_from);
1557
1558 if (s->is_initial) {
1559 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1560 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1561 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1562 }
1563
1564 wt_longstatus_print_updated(s);
1565 wt_longstatus_print_unmerged(s);
1566 wt_longstatus_print_changed(s);
1567 if (s->submodule_summary &&
1568 (!s->ignore_submodule_arg ||
1569 strcmp(s->ignore_submodule_arg, "all"))) {
1570 wt_longstatus_print_submodule_summary(s, 0); /* staged */
1571 wt_longstatus_print_submodule_summary(s, 1); /* unstaged */
1572 }
1573 if (s->show_untracked_files) {
1574 wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
1575 if (s->show_ignored_files)
1576 wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1577 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1578 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1579 status_printf_ln(s, GIT_COLOR_NORMAL,
1580 _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1581 "may speed it up, but you have to be careful not to forget to add\n"
1582 "new files yourself (see 'git help status')."),
1583 s->untracked_in_ms / 1000.0);
1584 }
1585 } else if (s->commitable)
1586 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1587 s->hints
1588 ? _(" (use -u option to show untracked files)") : "");
1589
1590 if (s->verbose)
1591 wt_longstatus_print_verbose(s);
1592 if (!s->commitable) {
1593 if (s->amend)
1594 status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1595 else if (s->nowarn)
1596 ; /* nothing */
1597 else if (s->workdir_dirty) {
1598 if (s->hints)
1599 printf(_("no changes added to commit "
1600 "(use \"git add\" and/or \"git commit -a\")\n"));
1601 else
1602 printf(_("no changes added to commit\n"));
1603 } else if (s->untracked.nr) {
1604 if (s->hints)
1605 printf(_("nothing added to commit but untracked files "
1606 "present (use \"git add\" to track)\n"));
1607 else
1608 printf(_("nothing added to commit but untracked files present\n"));
1609 } else if (s->is_initial) {
1610 if (s->hints)
1611 printf(_("nothing to commit (create/copy files "
1612 "and use \"git add\" to track)\n"));
1613 else
1614 printf(_("nothing to commit\n"));
1615 } else if (!s->show_untracked_files) {
1616 if (s->hints)
1617 printf(_("nothing to commit (use -u to show untracked files)\n"));
1618 else
1619 printf(_("nothing to commit\n"));
1620 } else
1621 printf(_("nothing to commit, working tree clean\n"));
1622 }
1623 }
1624
1625 static void wt_shortstatus_unmerged(struct string_list_item *it,
1626 struct wt_status *s)
1627 {
1628 struct wt_status_change_data *d = it->util;
1629 const char *how = "??";
1630
1631 switch (d->stagemask) {
1632 case 1: how = "DD"; break; /* both deleted */
1633 case 2: how = "AU"; break; /* added by us */
1634 case 3: how = "UD"; break; /* deleted by them */
1635 case 4: how = "UA"; break; /* added by them */
1636 case 5: how = "DU"; break; /* deleted by us */
1637 case 6: how = "AA"; break; /* both added */
1638 case 7: how = "UU"; break; /* both modified */
1639 }
1640 color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1641 if (s->null_termination) {
1642 fprintf(stdout, " %s%c", it->string, 0);
1643 } else {
1644 struct strbuf onebuf = STRBUF_INIT;
1645 const char *one;
1646 one = quote_path(it->string, s->prefix, &onebuf);
1647 printf(" %s\n", one);
1648 strbuf_release(&onebuf);
1649 }
1650 }
1651
1652 static void wt_shortstatus_status(struct string_list_item *it,
1653 struct wt_status *s)
1654 {
1655 struct wt_status_change_data *d = it->util;
1656
1657 if (d->index_status)
1658 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1659 else
1660 putchar(' ');
1661 if (d->worktree_status)
1662 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1663 else
1664 putchar(' ');
1665 putchar(' ');
1666 if (s->null_termination) {
1667 fprintf(stdout, "%s%c", it->string, 0);
1668 if (d->head_path)
1669 fprintf(stdout, "%s%c", d->head_path, 0);
1670 } else {
1671 struct strbuf onebuf = STRBUF_INIT;
1672 const char *one;
1673 if (d->head_path) {
1674 one = quote_path(d->head_path, s->prefix, &onebuf);
1675 if (*one != '"' && strchr(one, ' ') != NULL) {
1676 putchar('"');
1677 strbuf_addch(&onebuf, '"');
1678 one = onebuf.buf;
1679 }
1680 printf("%s -> ", one);
1681 strbuf_release(&onebuf);
1682 }
1683 one = quote_path(it->string, s->prefix, &onebuf);
1684 if (*one != '"' && strchr(one, ' ') != NULL) {
1685 putchar('"');
1686 strbuf_addch(&onebuf, '"');
1687 one = onebuf.buf;
1688 }
1689 printf("%s\n", one);
1690 strbuf_release(&onebuf);
1691 }
1692 }
1693
1694 static void wt_shortstatus_other(struct string_list_item *it,
1695 struct wt_status *s, const char *sign)
1696 {
1697 if (s->null_termination) {
1698 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1699 } else {
1700 struct strbuf onebuf = STRBUF_INIT;
1701 const char *one;
1702 one = quote_path(it->string, s->prefix, &onebuf);
1703 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1704 printf(" %s\n", one);
1705 strbuf_release(&onebuf);
1706 }
1707 }
1708
1709 static void wt_shortstatus_print_tracking(struct wt_status *s)
1710 {
1711 struct branch *branch;
1712 const char *header_color = color(WT_STATUS_HEADER, s);
1713 const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1714 const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1715
1716 const char *base;
1717 const char *branch_name;
1718 int num_ours, num_theirs;
1719 int upstream_is_gone = 0;
1720
1721 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1722
1723 if (!s->branch)
1724 return;
1725 branch_name = s->branch;
1726
1727 if (s->is_initial)
1728 color_fprintf(s->fp, header_color, _("Initial commit on "));
1729
1730 if (!strcmp(s->branch, "HEAD")) {
1731 color_fprintf(s->fp, color(WT_STATUS_NOBRANCH, s), "%s",
1732 _("HEAD (no branch)"));
1733 goto conclude;
1734 }
1735
1736 skip_prefix(branch_name, "refs/heads/", &branch_name);
1737
1738 branch = branch_get(branch_name);
1739
1740 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1741
1742 if (stat_tracking_info(branch, &num_ours, &num_theirs, &base) < 0) {
1743 if (!base)
1744 goto conclude;
1745
1746 upstream_is_gone = 1;
1747 }
1748
1749 base = shorten_unambiguous_ref(base, 0);
1750 color_fprintf(s->fp, header_color, "...");
1751 color_fprintf(s->fp, branch_color_remote, "%s", base);
1752 free((char *)base);
1753
1754 if (!upstream_is_gone && !num_ours && !num_theirs)
1755 goto conclude;
1756
1757 #define LABEL(string) (s->no_gettext ? (string) : _(string))
1758
1759 color_fprintf(s->fp, header_color, " [");
1760 if (upstream_is_gone) {
1761 color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1762 } else if (!num_ours) {
1763 color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1764 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1765 } else if (!num_theirs) {
1766 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1767 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1768 } else {
1769 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1770 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1771 color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1772 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1773 }
1774
1775 color_fprintf(s->fp, header_color, "]");
1776 conclude:
1777 fputc(s->null_termination ? '\0' : '\n', s->fp);
1778 }
1779
1780 static void wt_shortstatus_print(struct wt_status *s)
1781 {
1782 int i;
1783
1784 if (s->show_branch)
1785 wt_shortstatus_print_tracking(s);
1786
1787 for (i = 0; i < s->change.nr; i++) {
1788 struct wt_status_change_data *d;
1789 struct string_list_item *it;
1790
1791 it = &(s->change.items[i]);
1792 d = it->util;
1793 if (d->stagemask)
1794 wt_shortstatus_unmerged(it, s);
1795 else
1796 wt_shortstatus_status(it, s);
1797 }
1798 for (i = 0; i < s->untracked.nr; i++) {
1799 struct string_list_item *it;
1800
1801 it = &(s->untracked.items[i]);
1802 wt_shortstatus_other(it, s, "??");
1803 }
1804 for (i = 0; i < s->ignored.nr; i++) {
1805 struct string_list_item *it;
1806
1807 it = &(s->ignored.items[i]);
1808 wt_shortstatus_other(it, s, "!!");
1809 }
1810 }
1811
1812 static void wt_porcelain_print(struct wt_status *s)
1813 {
1814 s->use_color = 0;
1815 s->relative_paths = 0;
1816 s->prefix = NULL;
1817 s->no_gettext = 1;
1818 wt_shortstatus_print(s);
1819 }
1820
1821 /*
1822 * Print branch information for porcelain v2 output. These lines
1823 * are printed when the '--branch' parameter is given.
1824 *
1825 * # branch.oid <commit><eol>
1826 * # branch.head <head><eol>
1827 * [# branch.upstream <upstream><eol>
1828 * [# branch.ab +<ahead> -<behind><eol>]]
1829 *
1830 * <commit> ::= the current commit hash or the the literal
1831 * "(initial)" to indicate an initialized repo
1832 * with no commits.
1833 *
1834 * <head> ::= <branch_name> the current branch name or
1835 * "(detached)" literal when detached head or
1836 * "(unknown)" when something is wrong.
1837 *
1838 * <upstream> ::= the upstream branch name, when set.
1839 *
1840 * <ahead> ::= integer ahead value, when upstream set
1841 * and the commit is present (not gone).
1842 *
1843 * <behind> ::= integer behind value, when upstream set
1844 * and commit is present.
1845 *
1846 *
1847 * The end-of-line is defined by the -z flag.
1848 *
1849 * <eol> ::= NUL when -z,
1850 * LF when NOT -z.
1851 *
1852 */
1853 static void wt_porcelain_v2_print_tracking(struct wt_status *s)
1854 {
1855 struct branch *branch;
1856 const char *base;
1857 const char *branch_name;
1858 struct wt_status_state state;
1859 int ab_info, nr_ahead, nr_behind;
1860 char eol = s->null_termination ? '\0' : '\n';
1861
1862 memset(&state, 0, sizeof(state));
1863 wt_status_get_state(&state, s->branch && !strcmp(s->branch, "HEAD"));
1864
1865 fprintf(s->fp, "# branch.oid %s%c",
1866 (s->is_initial ? "(initial)" : sha1_to_hex(s->sha1_commit)),
1867 eol);
1868
1869 if (!s->branch)
1870 fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol);
1871 else {
1872 if (!strcmp(s->branch, "HEAD")) {
1873 fprintf(s->fp, "# branch.head %s%c", "(detached)", eol);
1874
1875 if (state.rebase_in_progress || state.rebase_interactive_in_progress)
1876 branch_name = state.onto;
1877 else if (state.detached_from)
1878 branch_name = state.detached_from;
1879 else
1880 branch_name = "";
1881 } else {
1882 branch_name = NULL;
1883 skip_prefix(s->branch, "refs/heads/", &branch_name);
1884
1885 fprintf(s->fp, "# branch.head %s%c", branch_name, eol);
1886 }
1887
1888 /* Lookup stats on the upstream tracking branch, if set. */
1889 branch = branch_get(branch_name);
1890 base = NULL;
1891 ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0);
1892 if (base) {
1893 base = shorten_unambiguous_ref(base, 0);
1894 fprintf(s->fp, "# branch.upstream %s%c", base, eol);
1895 free((char *)base);
1896
1897 if (ab_info)
1898 fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol);
1899 }
1900 }
1901
1902 free(state.branch);
1903 free(state.onto);
1904 free(state.detached_from);
1905 }
1906
1907 /*
1908 * Convert various submodule status values into a
1909 * fixed-length string of characters in the buffer provided.
1910 */
1911 static void wt_porcelain_v2_submodule_state(
1912 struct wt_status_change_data *d,
1913 char sub[5])
1914 {
1915 if (S_ISGITLINK(d->mode_head) ||
1916 S_ISGITLINK(d->mode_index) ||
1917 S_ISGITLINK(d->mode_worktree)) {
1918 sub[0] = 'S';
1919 sub[1] = d->new_submodule_commits ? 'C' : '.';
1920 sub[2] = (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED) ? 'M' : '.';
1921 sub[3] = (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) ? 'U' : '.';
1922 } else {
1923 sub[0] = 'N';
1924 sub[1] = '.';
1925 sub[2] = '.';
1926 sub[3] = '.';
1927 }
1928 sub[4] = 0;
1929 }
1930
1931 /*
1932 * Fix-up changed entries before we print them.
1933 */
1934 static void wt_porcelain_v2_fix_up_changed(
1935 struct string_list_item *it,
1936 struct wt_status *s)
1937 {
1938 struct wt_status_change_data *d = it->util;
1939
1940 if (!d->index_status) {
1941 /*
1942 * This entry is unchanged in the index (relative to the head).
1943 * Therefore, the collect_updated_cb was never called for this
1944 * entry (during the head-vs-index scan) and so the head column
1945 * fields were never set.
1946 *
1947 * We must have data for the index column (from the
1948 * index-vs-worktree scan (otherwise, this entry should not be
1949 * in the list of changes)).
1950 *
1951 * Copy index column fields to the head column, so that our
1952 * output looks complete.
1953 */
1954 assert(d->mode_head == 0);
1955 d->mode_head = d->mode_index;
1956 oidcpy(&d->oid_head, &d->oid_index);
1957 }
1958
1959 if (!d->worktree_status) {
1960 /*
1961 * This entry is unchanged in the worktree (relative to the index).
1962 * Therefore, the collect_changed_cb was never called for this entry
1963 * (during the index-vs-worktree scan) and so the worktree column
1964 * fields were never set.
1965 *
1966 * We must have data for the index column (from the head-vs-index
1967 * scan).
1968 *
1969 * Copy the index column fields to the worktree column so that
1970 * our output looks complete.
1971 *
1972 * Note that we only have a mode field in the worktree column
1973 * because the scan code tries really hard to not have to compute it.
1974 */
1975 assert(d->mode_worktree == 0);
1976 d->mode_worktree = d->mode_index;
1977 }
1978 }
1979
1980 /*
1981 * Print porcelain v2 info for tracked entries with changes.
1982 */
1983 static void wt_porcelain_v2_print_changed_entry(
1984 struct string_list_item *it,
1985 struct wt_status *s)
1986 {
1987 struct wt_status_change_data *d = it->util;
1988 struct strbuf buf_index = STRBUF_INIT;
1989 struct strbuf buf_head = STRBUF_INIT;
1990 const char *path_index = NULL;
1991 const char *path_head = NULL;
1992 char key[3];
1993 char submodule_token[5];
1994 char sep_char, eol_char;
1995
1996 wt_porcelain_v2_fix_up_changed(it, s);
1997 wt_porcelain_v2_submodule_state(d, submodule_token);
1998
1999 key[0] = d->index_status ? d->index_status : '.';
2000 key[1] = d->worktree_status ? d->worktree_status : '.';
2001 key[2] = 0;
2002
2003 if (s->null_termination) {
2004 /*
2005 * In -z mode, we DO NOT C-quote pathnames. Current path is ALWAYS first.
2006 * A single NUL character separates them.
2007 */
2008 sep_char = '\0';
2009 eol_char = '\0';
2010 path_index = it->string;
2011 path_head = d->head_path;
2012 } else {
2013 /*
2014 * Path(s) are C-quoted if necessary. Current path is ALWAYS first.
2015 * The source path is only present when necessary.
2016 * A single TAB separates them (because paths can contain spaces
2017 * which are not escaped and C-quoting does escape TAB characters).
2018 */
2019 sep_char = '\t';
2020 eol_char = '\n';
2021 path_index = quote_path(it->string, s->prefix, &buf_index);
2022 if (d->head_path)
2023 path_head = quote_path(d->head_path, s->prefix, &buf_head);
2024 }
2025
2026 if (path_head)
2027 fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c",
2028 key, submodule_token,
2029 d->mode_head, d->mode_index, d->mode_worktree,
2030 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2031 key[0], d->score,
2032 path_index, sep_char, path_head, eol_char);
2033 else
2034 fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c",
2035 key, submodule_token,
2036 d->mode_head, d->mode_index, d->mode_worktree,
2037 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2038 path_index, eol_char);
2039
2040 strbuf_release(&buf_index);
2041 strbuf_release(&buf_head);
2042 }
2043
2044 /*
2045 * Print porcelain v2 status info for unmerged entries.
2046 */
2047 static void wt_porcelain_v2_print_unmerged_entry(
2048 struct string_list_item *it,
2049 struct wt_status *s)
2050 {
2051 struct wt_status_change_data *d = it->util;
2052 const struct cache_entry *ce;
2053 struct strbuf buf_index = STRBUF_INIT;
2054 const char *path_index = NULL;
2055 int pos, stage, sum;
2056 struct {
2057 int mode;
2058 struct object_id oid;
2059 } stages[3];
2060 char *key;
2061 char submodule_token[5];
2062 char unmerged_prefix = 'u';
2063 char eol_char = s->null_termination ? '\0' : '\n';
2064
2065 wt_porcelain_v2_submodule_state(d, submodule_token);
2066
2067 switch (d->stagemask) {
2068 case 1: key = "DD"; break; /* both deleted */
2069 case 2: key = "AU"; break; /* added by us */
2070 case 3: key = "UD"; break; /* deleted by them */
2071 case 4: key = "UA"; break; /* added by them */
2072 case 5: key = "DU"; break; /* deleted by us */
2073 case 6: key = "AA"; break; /* both added */
2074 case 7: key = "UU"; break; /* both modified */
2075 default:
2076 die("BUG: unhandled unmerged status %x", d->stagemask);
2077 }
2078
2079 /*
2080 * Disregard d.aux.porcelain_v2 data that we accumulated
2081 * for the head and index columns during the scans and
2082 * replace with the actual stage data.
2083 *
2084 * Note that this is a last-one-wins for each the individual
2085 * stage [123] columns in the event of multiple cache entries
2086 * for same stage.
2087 */
2088 memset(stages, 0, sizeof(stages));
2089 sum = 0;
2090 pos = cache_name_pos(it->string, strlen(it->string));
2091 assert(pos < 0);
2092 pos = -pos-1;
2093 while (pos < active_nr) {
2094 ce = active_cache[pos++];
2095 stage = ce_stage(ce);
2096 if (strcmp(ce->name, it->string) || !stage)
2097 break;
2098 stages[stage - 1].mode = ce->ce_mode;
2099 hashcpy(stages[stage - 1].oid.hash, ce->oid.hash);
2100 sum |= (1 << (stage - 1));
2101 }
2102 if (sum != d->stagemask)
2103 die("BUG: observed stagemask 0x%x != expected stagemask 0x%x", sum, d->stagemask);
2104
2105 if (s->null_termination)
2106 path_index = it->string;
2107 else
2108 path_index = quote_path(it->string, s->prefix, &buf_index);
2109
2110 fprintf(s->fp, "%c %s %s %06o %06o %06o %06o %s %s %s %s%c",
2111 unmerged_prefix, key, submodule_token,
2112 stages[0].mode, /* stage 1 */
2113 stages[1].mode, /* stage 2 */
2114 stages[2].mode, /* stage 3 */
2115 d->mode_worktree,
2116 oid_to_hex(&stages[0].oid), /* stage 1 */
2117 oid_to_hex(&stages[1].oid), /* stage 2 */
2118 oid_to_hex(&stages[2].oid), /* stage 3 */
2119 path_index,
2120 eol_char);
2121
2122 strbuf_release(&buf_index);
2123 }
2124
2125 /*
2126 * Print porcelain V2 status info for untracked and ignored entries.
2127 */
2128 static void wt_porcelain_v2_print_other(
2129 struct string_list_item *it,
2130 struct wt_status *s,
2131 char prefix)
2132 {
2133 struct strbuf buf = STRBUF_INIT;
2134 const char *path;
2135 char eol_char;
2136
2137 if (s->null_termination) {
2138 path = it->string;
2139 eol_char = '\0';
2140 } else {
2141 path = quote_path(it->string, s->prefix, &buf);
2142 eol_char = '\n';
2143 }
2144
2145 fprintf(s->fp, "%c %s%c", prefix, path, eol_char);
2146
2147 strbuf_release(&buf);
2148 }
2149
2150 /*
2151 * Print porcelain V2 status.
2152 *
2153 * [<v2_branch>]
2154 * [<v2_changed_items>]*
2155 * [<v2_unmerged_items>]*
2156 * [<v2_untracked_items>]*
2157 * [<v2_ignored_items>]*
2158 *
2159 */
2160 static void wt_porcelain_v2_print(struct wt_status *s)
2161 {
2162 struct wt_status_change_data *d;
2163 struct string_list_item *it;
2164 int i;
2165
2166 if (s->show_branch)
2167 wt_porcelain_v2_print_tracking(s);
2168
2169 for (i = 0; i < s->change.nr; i++) {
2170 it = &(s->change.items[i]);
2171 d = it->util;
2172 if (!d->stagemask)
2173 wt_porcelain_v2_print_changed_entry(it, s);
2174 }
2175
2176 for (i = 0; i < s->change.nr; i++) {
2177 it = &(s->change.items[i]);
2178 d = it->util;
2179 if (d->stagemask)
2180 wt_porcelain_v2_print_unmerged_entry(it, s);
2181 }
2182
2183 for (i = 0; i < s->untracked.nr; i++) {
2184 it = &(s->untracked.items[i]);
2185 wt_porcelain_v2_print_other(it, s, '?');
2186 }
2187
2188 for (i = 0; i < s->ignored.nr; i++) {
2189 it = &(s->ignored.items[i]);
2190 wt_porcelain_v2_print_other(it, s, '!');
2191 }
2192 }
2193
2194 void wt_status_print(struct wt_status *s)
2195 {
2196 switch (s->status_format) {
2197 case STATUS_FORMAT_SHORT:
2198 wt_shortstatus_print(s);
2199 break;
2200 case STATUS_FORMAT_PORCELAIN:
2201 wt_porcelain_print(s);
2202 break;
2203 case STATUS_FORMAT_PORCELAIN_V2:
2204 wt_porcelain_v2_print(s);
2205 break;
2206 case STATUS_FORMAT_UNSPECIFIED:
2207 die("BUG: finalize_deferred_config() should have been called");
2208 break;
2209 case STATUS_FORMAT_NONE:
2210 case STATUS_FORMAT_LONG:
2211 wt_longstatus_print(s);
2212 break;
2213 }
2214 }
2215
2216 /**
2217 * Returns 1 if there are unstaged changes, 0 otherwise.
2218 */
2219 int has_unstaged_changes(int ignore_submodules)
2220 {
2221 struct rev_info rev_info;
2222 int result;
2223
2224 init_revisions(&rev_info, NULL);
2225 if (ignore_submodules)
2226 DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
2227 DIFF_OPT_SET(&rev_info.diffopt, QUICK);
2228 diff_setup_done(&rev_info.diffopt);
2229 result = run_diff_files(&rev_info, 0);
2230 return diff_result_code(&rev_info.diffopt, result);
2231 }
2232
2233 /**
2234 * Returns 1 if there are uncommitted changes, 0 otherwise.
2235 */
2236 int has_uncommitted_changes(int ignore_submodules)
2237 {
2238 struct rev_info rev_info;
2239 int result;
2240
2241 if (is_cache_unborn())
2242 return 0;
2243
2244 init_revisions(&rev_info, NULL);
2245 if (ignore_submodules)
2246 DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
2247 DIFF_OPT_SET(&rev_info.diffopt, QUICK);
2248 add_head_to_pending(&rev_info);
2249 diff_setup_done(&rev_info.diffopt);
2250 result = run_diff_index(&rev_info, 1);
2251 return diff_result_code(&rev_info.diffopt, result);
2252 }
2253
2254 /**
2255 * If the work tree has unstaged or uncommitted changes, dies with the
2256 * appropriate message.
2257 */
2258 int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
2259 {
2260 struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
2261 int err = 0, fd;
2262
2263 fd = hold_locked_index(lock_file, 0);
2264 refresh_cache(REFRESH_QUIET);
2265 if (0 <= fd)
2266 update_index_if_able(&the_index, lock_file);
2267 rollback_lock_file(lock_file);
2268
2269 if (has_unstaged_changes(ignore_submodules)) {
2270 /* TRANSLATORS: the action is e.g. "pull with rebase" */
2271 error(_("cannot %s: You have unstaged changes."), _(action));
2272 err = 1;
2273 }
2274
2275 if (has_uncommitted_changes(ignore_submodules)) {
2276 if (err)
2277 error(_("additionally, your index contains uncommitted changes."));
2278 else
2279 error(_("cannot %s: Your index contains uncommitted changes."),
2280 _(action));
2281 err = 1;
2282 }
2283
2284 if (err) {
2285 if (hint)
2286 error("%s", hint);
2287 if (!gently)
2288 exit(128);
2289 }
2290
2291 return err;
2292 }
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