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sha1_name: make wraparound of the index into ring-buffer explicit
[git.git] / wt-status.c
blob0bd2781225a2a9fa3e7a553aaf49112745743244
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 die("BUG: worktree status add???");
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 if (!s->show_untracked_files)
552 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
553 if (s->ignore_submodule_arg) {
554 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
555 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
556 }
557 rev.diffopt.format_callback = wt_status_collect_changed_cb;
558 rev.diffopt.format_callback_data = s;
559 copy_pathspec(&rev.prune_data, &s->pathspec);
560 run_diff_files(&rev, 0);
561 }
562
563 static void wt_status_collect_changes_index(struct wt_status *s)
564 {
565 struct rev_info rev;
566 struct setup_revision_opt opt;
567
568 init_revisions(&rev, NULL);
569 memset(&opt, 0, sizeof(opt));
570 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
571 setup_revisions(0, NULL, &rev, &opt);
572
573 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
574 if (s->ignore_submodule_arg) {
575 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
576 } else {
577 /*
578 * Unless the user did explicitly request a submodule ignore
579 * mode by passing a command line option we do not ignore any
580 * changed submodule SHA-1s when comparing index and HEAD, no
581 * matter what is configured. Otherwise the user won't be
582 * shown any submodules she manually added (and which are
583 * staged to be committed), which would be really confusing.
584 */
585 handle_ignore_submodules_arg(&rev.diffopt, "dirty");
586 }
587
588 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
589 rev.diffopt.format_callback = wt_status_collect_updated_cb;
590 rev.diffopt.format_callback_data = s;
591 rev.diffopt.detect_rename = 1;
592 rev.diffopt.rename_limit = 200;
593 rev.diffopt.break_opt = 0;
594 copy_pathspec(&rev.prune_data, &s->pathspec);
595 run_diff_index(&rev, 1);
596 }
597
598 static void wt_status_collect_changes_initial(struct wt_status *s)
599 {
600 int i;
601
602 for (i = 0; i < active_nr; i++) {
603 struct string_list_item *it;
604 struct wt_status_change_data *d;
605 const struct cache_entry *ce = active_cache[i];
606
607 if (!ce_path_match(ce, &s->pathspec, NULL))
608 continue;
609 it = string_list_insert(&s->change, ce->name);
610 d = it->util;
611 if (!d) {
612 d = xcalloc(1, sizeof(*d));
613 it->util = d;
614 }
615 if (ce_stage(ce)) {
616 d->index_status = DIFF_STATUS_UNMERGED;
617 d->stagemask |= (1 << (ce_stage(ce) - 1));
618 /*
619 * Don't bother setting {mode,oid}_{head,index} since the print
620 * code will output the stage values directly and not use the
621 * values in these fields.
622 */
623 } else {
624 d->index_status = DIFF_STATUS_ADDED;
625 /* Leave {mode,oid}_head zero for adds. */
626 d->mode_index = ce->ce_mode;
627 hashcpy(d->oid_index.hash, ce->oid.hash);
628 }
629 }
630 }
631
632 static void wt_status_collect_untracked(struct wt_status *s)
633 {
634 int i;
635 struct dir_struct dir;
636 uint64_t t_begin = getnanotime();
637
638 if (!s->show_untracked_files)
639 return;
640
641 memset(&dir, 0, sizeof(dir));
642 if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
643 dir.flags |=
644 DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
645 if (s->show_ignored_files)
646 dir.flags |= DIR_SHOW_IGNORED_TOO;
647 else
648 dir.untracked = the_index.untracked;
649 setup_standard_excludes(&dir);
650
651 fill_directory(&dir, &s->pathspec);
652
653 for (i = 0; i < dir.nr; i++) {
654 struct dir_entry *ent = dir.entries[i];
655 if (cache_name_is_other(ent->name, ent->len) &&
656 dir_path_match(ent, &s->pathspec, 0, NULL))
657 string_list_insert(&s->untracked, ent->name);
658 free(ent);
659 }
660
661 for (i = 0; i < dir.ignored_nr; i++) {
662 struct dir_entry *ent = dir.ignored[i];
663 if (cache_name_is_other(ent->name, ent->len) &&
664 dir_path_match(ent, &s->pathspec, 0, NULL))
665 string_list_insert(&s->ignored, ent->name);
666 free(ent);
667 }
668
669 free(dir.entries);
670 free(dir.ignored);
671 clear_directory(&dir);
672
673 if (advice_status_u_option)
674 s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
675 }
676
677 void wt_status_collect(struct wt_status *s)
678 {
679 wt_status_collect_changes_worktree(s);
680
681 if (s->is_initial)
682 wt_status_collect_changes_initial(s);
683 else
684 wt_status_collect_changes_index(s);
685 wt_status_collect_untracked(s);
686 }
687
688 static void wt_longstatus_print_unmerged(struct wt_status *s)
689 {
690 int shown_header = 0;
691 int i;
692
693 for (i = 0; i < s->change.nr; i++) {
694 struct wt_status_change_data *d;
695 struct string_list_item *it;
696 it = &(s->change.items[i]);
697 d = it->util;
698 if (!d->stagemask)
699 continue;
700 if (!shown_header) {
701 wt_longstatus_print_unmerged_header(s);
702 shown_header = 1;
703 }
704 wt_longstatus_print_unmerged_data(s, it);
705 }
706 if (shown_header)
707 wt_longstatus_print_trailer(s);
708
709 }
710
711 static void wt_longstatus_print_updated(struct wt_status *s)
712 {
713 int shown_header = 0;
714 int i;
715
716 for (i = 0; i < s->change.nr; i++) {
717 struct wt_status_change_data *d;
718 struct string_list_item *it;
719 it = &(s->change.items[i]);
720 d = it->util;
721 if (!d->index_status ||
722 d->index_status == DIFF_STATUS_UNMERGED)
723 continue;
724 if (!shown_header) {
725 wt_longstatus_print_cached_header(s);
726 s->commitable = 1;
727 shown_header = 1;
728 }
729 wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
730 }
731 if (shown_header)
732 wt_longstatus_print_trailer(s);
733 }
734
735 /*
736 * -1 : has delete
737 * 0 : no change
738 * 1 : some change but no delete
739 */
740 static int wt_status_check_worktree_changes(struct wt_status *s,
741 int *dirty_submodules)
742 {
743 int i;
744 int changes = 0;
745
746 *dirty_submodules = 0;
747
748 for (i = 0; i < s->change.nr; i++) {
749 struct wt_status_change_data *d;
750 d = s->change.items[i].util;
751 if (!d->worktree_status ||
752 d->worktree_status == DIFF_STATUS_UNMERGED)
753 continue;
754 if (!changes)
755 changes = 1;
756 if (d->dirty_submodule)
757 *dirty_submodules = 1;
758 if (d->worktree_status == DIFF_STATUS_DELETED)
759 changes = -1;
760 }
761 return changes;
762 }
763
764 static void wt_longstatus_print_changed(struct wt_status *s)
765 {
766 int i, dirty_submodules;
767 int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
768
769 if (!worktree_changes)
770 return;
771
772 wt_longstatus_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
773
774 for (i = 0; i < s->change.nr; i++) {
775 struct wt_status_change_data *d;
776 struct string_list_item *it;
777 it = &(s->change.items[i]);
778 d = it->util;
779 if (!d->worktree_status ||
780 d->worktree_status == DIFF_STATUS_UNMERGED)
781 continue;
782 wt_longstatus_print_change_data(s, WT_STATUS_CHANGED, it);
783 }
784 wt_longstatus_print_trailer(s);
785 }
786
787 static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncommitted)
788 {
789 struct child_process sm_summary = CHILD_PROCESS_INIT;
790 struct strbuf cmd_stdout = STRBUF_INIT;
791 struct strbuf summary = STRBUF_INIT;
792 char *summary_content;
793
794 argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
795 s->index_file);
796
797 argv_array_push(&sm_summary.args, "submodule");
798 argv_array_push(&sm_summary.args, "summary");
799 argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
800 argv_array_push(&sm_summary.args, "--for-status");
801 argv_array_push(&sm_summary.args, "--summary-limit");
802 argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
803 if (!uncommitted)
804 argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
805
806 sm_summary.git_cmd = 1;
807 sm_summary.no_stdin = 1;
808
809 capture_command(&sm_summary, &cmd_stdout, 1024);
810
811 /* prepend header, only if there's an actual output */
812 if (cmd_stdout.len) {
813 if (uncommitted)
814 strbuf_addstr(&summary, _("Submodules changed but not updated:"));
815 else
816 strbuf_addstr(&summary, _("Submodule changes to be committed:"));
817 strbuf_addstr(&summary, "\n\n");
818 }
819 strbuf_addbuf(&summary, &cmd_stdout);
820 strbuf_release(&cmd_stdout);
821
822 if (s->display_comment_prefix) {
823 size_t len;
824 summary_content = strbuf_detach(&summary, &len);
825 strbuf_add_commented_lines(&summary, summary_content, len);
826 free(summary_content);
827 }
828
829 fputs(summary.buf, s->fp);
830 strbuf_release(&summary);
831 }
832
833 static void wt_longstatus_print_other(struct wt_status *s,
834 struct string_list *l,
835 const char *what,
836 const char *how)
837 {
838 int i;
839 struct strbuf buf = STRBUF_INIT;
840 static struct string_list output = STRING_LIST_INIT_DUP;
841 struct column_options copts;
842
843 if (!l->nr)
844 return;
845
846 wt_longstatus_print_other_header(s, what, how);
847
848 for (i = 0; i < l->nr; i++) {
849 struct string_list_item *it;
850 const char *path;
851 it = &(l->items[i]);
852 path = quote_path(it->string, s->prefix, &buf);
853 if (column_active(s->colopts)) {
854 string_list_append(&output, path);
855 continue;
856 }
857 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
858 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
859 "%s\n", path);
860 }
861
862 strbuf_release(&buf);
863 if (!column_active(s->colopts))
864 goto conclude;
865
866 strbuf_addf(&buf, "%s%s\t%s",
867 color(WT_STATUS_HEADER, s),
868 s->display_comment_prefix ? "#" : "",
869 color(WT_STATUS_UNTRACKED, s));
870 memset(&copts, 0, sizeof(copts));
871 copts.padding = 1;
872 copts.indent = buf.buf;
873 if (want_color(s->use_color))
874 copts.nl = GIT_COLOR_RESET "\n";
875 print_columns(&output, s->colopts, &copts);
876 string_list_clear(&output, 0);
877 strbuf_release(&buf);
878 conclude:
879 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
880 }
881
882 void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
883 {
884 const char *p;
885 struct strbuf pattern = STRBUF_INIT;
886
887 strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line);
888 if (starts_with(buf->buf, pattern.buf + 1))
889 strbuf_setlen(buf, 0);
890 else if ((p = strstr(buf->buf, pattern.buf)))
891 strbuf_setlen(buf, p - buf->buf + 1);
892 strbuf_release(&pattern);
893 }
894
895 void wt_status_add_cut_line(FILE *fp)
896 {
897 const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
898 struct strbuf buf = STRBUF_INIT;
899
900 fprintf(fp, "%c %s", comment_line_char, cut_line);
901 strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
902 fputs(buf.buf, fp);
903 strbuf_release(&buf);
904 }
905
906 static void wt_longstatus_print_verbose(struct wt_status *s)
907 {
908 struct rev_info rev;
909 struct setup_revision_opt opt;
910 int dirty_submodules;
911 const char *c = color(WT_STATUS_HEADER, s);
912
913 init_revisions(&rev, NULL);
914 DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
915
916 memset(&opt, 0, sizeof(opt));
917 opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
918 setup_revisions(0, NULL, &rev, &opt);
919
920 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
921 rev.diffopt.detect_rename = 1;
922 rev.diffopt.file = s->fp;
923 rev.diffopt.close_file = 0;
924 /*
925 * If we're not going to stdout, then we definitely don't
926 * want color, since we are going to the commit message
927 * file (and even the "auto" setting won't work, since it
928 * will have checked isatty on stdout). But we then do want
929 * to insert the scissor line here to reliably remove the
930 * diff before committing.
931 */
932 if (s->fp != stdout) {
933 rev.diffopt.use_color = 0;
934 wt_status_add_cut_line(s->fp);
935 }
936 if (s->verbose > 1 && s->commitable) {
937 /* print_updated() printed a header, so do we */
938 if (s->fp != stdout)
939 wt_longstatus_print_trailer(s);
940 status_printf_ln(s, c, _("Changes to be committed:"));
941 rev.diffopt.a_prefix = "c/";
942 rev.diffopt.b_prefix = "i/";
943 } /* else use prefix as per user config */
944 run_diff_index(&rev, 1);
945 if (s->verbose > 1 &&
946 wt_status_check_worktree_changes(s, &dirty_submodules)) {
947 status_printf_ln(s, c,
948 "--------------------------------------------------");
949 status_printf_ln(s, c, _("Changes not staged for commit:"));
950 setup_work_tree();
951 rev.diffopt.a_prefix = "i/";
952 rev.diffopt.b_prefix = "w/";
953 run_diff_files(&rev, 0);
954 }
955 }
956
957 static void wt_longstatus_print_tracking(struct wt_status *s)
958 {
959 struct strbuf sb = STRBUF_INIT;
960 const char *cp, *ep, *branch_name;
961 struct branch *branch;
962 char comment_line_string[3];
963 int i;
964
965 assert(s->branch && !s->is_initial);
966 if (!skip_prefix(s->branch, "refs/heads/", &branch_name))
967 return;
968 branch = branch_get(branch_name);
969 if (!format_tracking_info(branch, &sb))
970 return;
971
972 i = 0;
973 if (s->display_comment_prefix) {
974 comment_line_string[i++] = comment_line_char;
975 comment_line_string[i++] = ' ';
976 }
977 comment_line_string[i] = '\0';
978
979 for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
980 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
981 "%s%.*s", comment_line_string,
982 (int)(ep - cp), cp);
983 if (s->display_comment_prefix)
984 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
985 comment_line_char);
986 else
987 fputs("", s->fp);
988 }
989
990 static int has_unmerged(struct wt_status *s)
991 {
992 int i;
993
994 for (i = 0; i < s->change.nr; i++) {
995 struct wt_status_change_data *d;
996 d = s->change.items[i].util;
997 if (d->stagemask)
998 return 1;
999 }
1000 return 0;
1001 }
1002
1003 static void show_merge_in_progress(struct wt_status *s,
1004 struct wt_status_state *state,
1005 const char *color)
1006 {
1007 if (has_unmerged(s)) {
1008 status_printf_ln(s, color, _("You have unmerged paths."));
1009 if (s->hints) {
1010 status_printf_ln(s, color,
1011 _(" (fix conflicts and run \"git commit\")"));
1012 status_printf_ln(s, color,
1013 _(" (use \"git merge --abort\" to abort the merge)"));
1014 }
1015 } else {
1016 s-> commitable = 1;
1017 status_printf_ln(s, color,
1018 _("All conflicts fixed but you are still merging."));
1019 if (s->hints)
1020 status_printf_ln(s, color,
1021 _(" (use \"git commit\" to conclude merge)"));
1022 }
1023 wt_longstatus_print_trailer(s);
1024 }
1025
1026 static void show_am_in_progress(struct wt_status *s,
1027 struct wt_status_state *state,
1028 const char *color)
1029 {
1030 status_printf_ln(s, color,
1031 _("You are in the middle of an am session."));
1032 if (state->am_empty_patch)
1033 status_printf_ln(s, color,
1034 _("The current patch is empty."));
1035 if (s->hints) {
1036 if (!state->am_empty_patch)
1037 status_printf_ln(s, color,
1038 _(" (fix conflicts and then run \"git am --continue\")"));
1039 status_printf_ln(s, color,
1040 _(" (use \"git am --skip\" to skip this patch)"));
1041 status_printf_ln(s, color,
1042 _(" (use \"git am --abort\" to restore the original branch)"));
1043 }
1044 wt_longstatus_print_trailer(s);
1045 }
1046
1047 static char *read_line_from_git_path(const char *filename)
1048 {
1049 struct strbuf buf = STRBUF_INIT;
1050 FILE *fp = fopen(git_path("%s", filename), "r");
1051 if (!fp) {
1052 strbuf_release(&buf);
1053 return NULL;
1054 }
1055 strbuf_getline_lf(&buf, fp);
1056 if (!fclose(fp)) {
1057 return strbuf_detach(&buf, NULL);
1058 } else {
1059 strbuf_release(&buf);
1060 return NULL;
1061 }
1062 }
1063
1064 static int split_commit_in_progress(struct wt_status *s)
1065 {
1066 int split_in_progress = 0;
1067 char *head = read_line_from_git_path("HEAD");
1068 char *orig_head = read_line_from_git_path("ORIG_HEAD");
1069 char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
1070 char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
1071
1072 if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
1073 !s->branch || strcmp(s->branch, "HEAD"))
1074 return split_in_progress;
1075
1076 if (!strcmp(rebase_amend, rebase_orig_head)) {
1077 if (strcmp(head, rebase_amend))
1078 split_in_progress = 1;
1079 } else if (strcmp(orig_head, rebase_orig_head)) {
1080 split_in_progress = 1;
1081 }
1082
1083 if (!s->amend && !s->nowarn && !s->workdir_dirty)
1084 split_in_progress = 0;
1085
1086 free(head);
1087 free(orig_head);
1088 free(rebase_amend);
1089 free(rebase_orig_head);
1090 return split_in_progress;
1091 }
1092
1093 /*
1094 * Turn
1095 * "pick d6a2f0303e897ec257dd0e0a39a5ccb709bc2047 some message"
1096 * into
1097 * "pick d6a2f03 some message"
1098 *
1099 * The function assumes that the line does not contain useless spaces
1100 * before or after the command.
1101 */
1102 static void abbrev_sha1_in_line(struct strbuf *line)
1103 {
1104 struct strbuf **split;
1105 int i;
1106
1107 if (starts_with(line->buf, "exec ") ||
1108 starts_with(line->buf, "x "))
1109 return;
1110
1111 split = strbuf_split_max(line, ' ', 3);
1112 if (split[0] && split[1]) {
1113 unsigned char sha1[20];
1114
1115 /*
1116 * strbuf_split_max left a space. Trim it and re-add
1117 * it after abbreviation.
1118 */
1119 strbuf_trim(split[1]);
1120 if (!get_sha1(split[1]->buf, sha1)) {
1121 strbuf_reset(split[1]);
1122 strbuf_add_unique_abbrev(split[1], sha1,
1123 DEFAULT_ABBREV);
1124 strbuf_addch(split[1], ' ');
1125 strbuf_reset(line);
1126 for (i = 0; split[i]; i++)
1127 strbuf_addbuf(line, split[i]);
1128 }
1129 }
1130 strbuf_list_free(split);
1131 }
1132
1133 static void read_rebase_todolist(const char *fname, struct string_list *lines)
1134 {
1135 struct strbuf line = STRBUF_INIT;
1136 FILE *f = fopen(git_path("%s", fname), "r");
1137
1138 if (!f)
1139 die_errno("Could not open file %s for reading",
1140 git_path("%s", fname));
1141 while (!strbuf_getline_lf(&line, f)) {
1142 if (line.len && line.buf[0] == comment_line_char)
1143 continue;
1144 strbuf_trim(&line);
1145 if (!line.len)
1146 continue;
1147 abbrev_sha1_in_line(&line);
1148 string_list_append(lines, line.buf);
1149 }
1150 }
1151
1152 static void show_rebase_information(struct wt_status *s,
1153 struct wt_status_state *state,
1154 const char *color)
1155 {
1156 if (state->rebase_interactive_in_progress) {
1157 int i;
1158 int nr_lines_to_show = 2;
1159
1160 struct string_list have_done = STRING_LIST_INIT_DUP;
1161 struct string_list yet_to_do = STRING_LIST_INIT_DUP;
1162
1163 read_rebase_todolist("rebase-merge/done", &have_done);
1164 read_rebase_todolist("rebase-merge/git-rebase-todo", &yet_to_do);
1165
1166 if (have_done.nr == 0)
1167 status_printf_ln(s, color, _("No commands done."));
1168 else {
1169 status_printf_ln(s, color,
1170 Q_("Last command done (%d command done):",
1171 "Last commands done (%d commands done):",
1172 have_done.nr),
1173 have_done.nr);
1174 for (i = (have_done.nr > nr_lines_to_show)
1175 ? have_done.nr - nr_lines_to_show : 0;
1176 i < have_done.nr;
1177 i++)
1178 status_printf_ln(s, color, " %s", have_done.items[i].string);
1179 if (have_done.nr > nr_lines_to_show && s->hints)
1180 status_printf_ln(s, color,
1181 _(" (see more in file %s)"), git_path("rebase-merge/done"));
1182 }
1183
1184 if (yet_to_do.nr == 0)
1185 status_printf_ln(s, color,
1186 _("No commands remaining."));
1187 else {
1188 status_printf_ln(s, color,
1189 Q_("Next command to do (%d remaining command):",
1190 "Next commands to do (%d remaining commands):",
1191 yet_to_do.nr),
1192 yet_to_do.nr);
1193 for (i = 0; i < nr_lines_to_show && i < yet_to_do.nr; i++)
1194 status_printf_ln(s, color, " %s", yet_to_do.items[i].string);
1195 if (s->hints)
1196 status_printf_ln(s, color,
1197 _(" (use \"git rebase --edit-todo\" to view and edit)"));
1198 }
1199 string_list_clear(&yet_to_do, 0);
1200 string_list_clear(&have_done, 0);
1201 }
1202 }
1203
1204 static void print_rebase_state(struct wt_status *s,
1205 struct wt_status_state *state,
1206 const char *color)
1207 {
1208 if (state->branch)
1209 status_printf_ln(s, color,
1210 _("You are currently rebasing branch '%s' on '%s'."),
1211 state->branch,
1212 state->onto);
1213 else
1214 status_printf_ln(s, color,
1215 _("You are currently rebasing."));
1216 }
1217
1218 static void show_rebase_in_progress(struct wt_status *s,
1219 struct wt_status_state *state,
1220 const char *color)
1221 {
1222 struct stat st;
1223
1224 show_rebase_information(s, state, color);
1225 if (has_unmerged(s)) {
1226 print_rebase_state(s, state, color);
1227 if (s->hints) {
1228 status_printf_ln(s, color,
1229 _(" (fix conflicts and then run \"git rebase --continue\")"));
1230 status_printf_ln(s, color,
1231 _(" (use \"git rebase --skip\" to skip this patch)"));
1232 status_printf_ln(s, color,
1233 _(" (use \"git rebase --abort\" to check out the original branch)"));
1234 }
1235 } else if (state->rebase_in_progress || !stat(git_path_merge_msg(), &st)) {
1236 print_rebase_state(s, state, color);
1237 if (s->hints)
1238 status_printf_ln(s, color,
1239 _(" (all conflicts fixed: run \"git rebase --continue\")"));
1240 } else if (split_commit_in_progress(s)) {
1241 if (state->branch)
1242 status_printf_ln(s, color,
1243 _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1244 state->branch,
1245 state->onto);
1246 else
1247 status_printf_ln(s, color,
1248 _("You are currently splitting a commit during a rebase."));
1249 if (s->hints)
1250 status_printf_ln(s, color,
1251 _(" (Once your working directory is clean, run \"git rebase --continue\")"));
1252 } else {
1253 if (state->branch)
1254 status_printf_ln(s, color,
1255 _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1256 state->branch,
1257 state->onto);
1258 else
1259 status_printf_ln(s, color,
1260 _("You are currently editing a commit during a rebase."));
1261 if (s->hints && !s->amend) {
1262 status_printf_ln(s, color,
1263 _(" (use \"git commit --amend\" to amend the current commit)"));
1264 status_printf_ln(s, color,
1265 _(" (use \"git rebase --continue\" once you are satisfied with your changes)"));
1266 }
1267 }
1268 wt_longstatus_print_trailer(s);
1269 }
1270
1271 static void show_cherry_pick_in_progress(struct wt_status *s,
1272 struct wt_status_state *state,
1273 const char *color)
1274 {
1275 status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1276 find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1277 if (s->hints) {
1278 if (has_unmerged(s))
1279 status_printf_ln(s, color,
1280 _(" (fix conflicts and run \"git cherry-pick --continue\")"));
1281 else
1282 status_printf_ln(s, color,
1283 _(" (all conflicts fixed: run \"git cherry-pick --continue\")"));
1284 status_printf_ln(s, color,
1285 _(" (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1286 }
1287 wt_longstatus_print_trailer(s);
1288 }
1289
1290 static void show_revert_in_progress(struct wt_status *s,
1291 struct wt_status_state *state,
1292 const char *color)
1293 {
1294 status_printf_ln(s, color, _("You are currently reverting commit %s."),
1295 find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1296 if (s->hints) {
1297 if (has_unmerged(s))
1298 status_printf_ln(s, color,
1299 _(" (fix conflicts and run \"git revert --continue\")"));
1300 else
1301 status_printf_ln(s, color,
1302 _(" (all conflicts fixed: run \"git revert --continue\")"));
1303 status_printf_ln(s, color,
1304 _(" (use \"git revert --abort\" to cancel the revert operation)"));
1305 }
1306 wt_longstatus_print_trailer(s);
1307 }
1308
1309 static void show_bisect_in_progress(struct wt_status *s,
1310 struct wt_status_state *state,
1311 const char *color)
1312 {
1313 if (state->branch)
1314 status_printf_ln(s, color,
1315 _("You are currently bisecting, started from branch '%s'."),
1316 state->branch);
1317 else
1318 status_printf_ln(s, color,
1319 _("You are currently bisecting."));
1320 if (s->hints)
1321 status_printf_ln(s, color,
1322 _(" (use \"git bisect reset\" to get back to the original branch)"));
1323 wt_longstatus_print_trailer(s);
1324 }
1325
1326 /*
1327 * Extract branch information from rebase/bisect
1328 */
1329 static char *get_branch(const struct worktree *wt, const char *path)
1330 {
1331 struct strbuf sb = STRBUF_INIT;
1332 unsigned char sha1[20];
1333 const char *branch_name;
1334
1335 if (strbuf_read_file(&sb, worktree_git_path(wt, "%s", path), 0) <= 0)
1336 goto got_nothing;
1337
1338 while (sb.len && sb.buf[sb.len - 1] == '\n')
1339 strbuf_setlen(&sb, sb.len - 1);
1340 if (!sb.len)
1341 goto got_nothing;
1342 if (skip_prefix(sb.buf, "refs/heads/", &branch_name))
1343 strbuf_remove(&sb, 0, branch_name - sb.buf);
1344 else if (starts_with(sb.buf, "refs/"))
1345 ;
1346 else if (!get_sha1_hex(sb.buf, sha1)) {
1347 strbuf_reset(&sb);
1348 strbuf_add_unique_abbrev(&sb, sha1, DEFAULT_ABBREV);
1349 } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1350 goto got_nothing;
1351 else /* bisect */
1352 ;
1353 return strbuf_detach(&sb, NULL);
1354
1355 got_nothing:
1356 strbuf_release(&sb);
1357 return NULL;
1358 }
1359
1360 struct grab_1st_switch_cbdata {
1361 struct strbuf buf;
1362 unsigned char nsha1[20];
1363 };
1364
1365 static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1366 const char *email, unsigned long timestamp, int tz,
1367 const char *message, void *cb_data)
1368 {
1369 struct grab_1st_switch_cbdata *cb = cb_data;
1370 const char *target = NULL, *end;
1371
1372 if (!skip_prefix(message, "checkout: moving from ", &message))
1373 return 0;
1374 target = strstr(message, " to ");
1375 if (!target)
1376 return 0;
1377 target += strlen(" to ");
1378 strbuf_reset(&cb->buf);
1379 hashcpy(cb->nsha1, nsha1);
1380 end = strchrnul(target, '\n');
1381 strbuf_add(&cb->buf, target, end - target);
1382 if (!strcmp(cb->buf.buf, "HEAD")) {
1383 /* HEAD is relative. Resolve it to the right reflog entry. */
1384 strbuf_reset(&cb->buf);
1385 strbuf_add_unique_abbrev(&cb->buf, nsha1, DEFAULT_ABBREV);
1386 }
1387 return 1;
1388 }
1389
1390 static void wt_status_get_detached_from(struct wt_status_state *state)
1391 {
1392 struct grab_1st_switch_cbdata cb;
1393 struct commit *commit;
1394 unsigned char sha1[20];
1395 char *ref = NULL;
1396
1397 strbuf_init(&cb.buf, 0);
1398 if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1399 strbuf_release(&cb.buf);
1400 return;
1401 }
1402
1403 if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1404 /* sha1 is a commit? match without further lookup */
1405 (!hashcmp(cb.nsha1, sha1) ||
1406 /* perhaps sha1 is a tag, try to dereference to a commit */
1407 ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1408 !hashcmp(cb.nsha1, commit->object.oid.hash)))) {
1409 const char *from = ref;
1410 if (!skip_prefix(from, "refs/tags/", &from))
1411 skip_prefix(from, "refs/remotes/", &from);
1412 state->detached_from = xstrdup(from);
1413 } else
1414 state->detached_from =
1415 xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1416 hashcpy(state->detached_sha1, cb.nsha1);
1417 state->detached_at = !get_sha1("HEAD", sha1) &&
1418 !hashcmp(sha1, state->detached_sha1);
1419
1420 free(ref);
1421 strbuf_release(&cb.buf);
1422 }
1423
1424 int wt_status_check_rebase(const struct worktree *wt,
1425 struct wt_status_state *state)
1426 {
1427 struct stat st;
1428
1429 if (!stat(worktree_git_path(wt, "rebase-apply"), &st)) {
1430 if (!stat(worktree_git_path(wt, "rebase-apply/applying"), &st)) {
1431 state->am_in_progress = 1;
1432 if (!stat(worktree_git_path(wt, "rebase-apply/patch"), &st) && !st.st_size)
1433 state->am_empty_patch = 1;
1434 } else {
1435 state->rebase_in_progress = 1;
1436 state->branch = get_branch(wt, "rebase-apply/head-name");
1437 state->onto = get_branch(wt, "rebase-apply/onto");
1438 }
1439 } else if (!stat(worktree_git_path(wt, "rebase-merge"), &st)) {
1440 if (!stat(worktree_git_path(wt, "rebase-merge/interactive"), &st))
1441 state->rebase_interactive_in_progress = 1;
1442 else
1443 state->rebase_in_progress = 1;
1444 state->branch = get_branch(wt, "rebase-merge/head-name");
1445 state->onto = get_branch(wt, "rebase-merge/onto");
1446 } else
1447 return 0;
1448 return 1;
1449 }
1450
1451 int wt_status_check_bisect(const struct worktree *wt,
1452 struct wt_status_state *state)
1453 {
1454 struct stat st;
1455
1456 if (!stat(worktree_git_path(wt, "BISECT_LOG"), &st)) {
1457 state->bisect_in_progress = 1;
1458 state->branch = get_branch(wt, "BISECT_START");
1459 return 1;
1460 }
1461 return 0;
1462 }
1463
1464 void wt_status_get_state(struct wt_status_state *state,
1465 int get_detached_from)
1466 {
1467 struct stat st;
1468 unsigned char sha1[20];
1469
1470 if (!stat(git_path_merge_head(), &st)) {
1471 state->merge_in_progress = 1;
1472 } else if (wt_status_check_rebase(NULL, state)) {
1473 ; /* all set */
1474 } else if (!stat(git_path_cherry_pick_head(), &st) &&
1475 !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1476 state->cherry_pick_in_progress = 1;
1477 hashcpy(state->cherry_pick_head_sha1, sha1);
1478 }
1479 wt_status_check_bisect(NULL, state);
1480 if (!stat(git_path_revert_head(), &st) &&
1481 !get_sha1("REVERT_HEAD", sha1)) {
1482 state->revert_in_progress = 1;
1483 hashcpy(state->revert_head_sha1, sha1);
1484 }
1485
1486 if (get_detached_from)
1487 wt_status_get_detached_from(state);
1488 }
1489
1490 static void wt_longstatus_print_state(struct wt_status *s,
1491 struct wt_status_state *state)
1492 {
1493 const char *state_color = color(WT_STATUS_HEADER, s);
1494 if (state->merge_in_progress)
1495 show_merge_in_progress(s, state, state_color);
1496 else if (state->am_in_progress)
1497 show_am_in_progress(s, state, state_color);
1498 else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1499 show_rebase_in_progress(s, state, state_color);
1500 else if (state->cherry_pick_in_progress)
1501 show_cherry_pick_in_progress(s, state, state_color);
1502 else if (state->revert_in_progress)
1503 show_revert_in_progress(s, state, state_color);
1504 if (state->bisect_in_progress)
1505 show_bisect_in_progress(s, state, state_color);
1506 }
1507
1508 static void wt_longstatus_print(struct wt_status *s)
1509 {
1510 const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1511 const char *branch_status_color = color(WT_STATUS_HEADER, s);
1512 struct wt_status_state state;
1513
1514 memset(&state, 0, sizeof(state));
1515 wt_status_get_state(&state,
1516 s->branch && !strcmp(s->branch, "HEAD"));
1517
1518 if (s->branch) {
1519 const char *on_what = _("On branch ");
1520 const char *branch_name = s->branch;
1521 if (!strcmp(branch_name, "HEAD")) {
1522 branch_status_color = color(WT_STATUS_NOBRANCH, s);
1523 if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1524 if (state.rebase_interactive_in_progress)
1525 on_what = _("interactive rebase in progress; onto ");
1526 else
1527 on_what = _("rebase in progress; onto ");
1528 branch_name = state.onto;
1529 } else if (state.detached_from) {
1530 branch_name = state.detached_from;
1531 if (state.detached_at)
1532 on_what = _("HEAD detached at ");
1533 else
1534 on_what = _("HEAD detached from ");
1535 } else {
1536 branch_name = "";
1537 on_what = _("Not currently on any branch.");
1538 }
1539 } else
1540 skip_prefix(branch_name, "refs/heads/", &branch_name);
1541 status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1542 status_printf_more(s, branch_status_color, "%s", on_what);
1543 status_printf_more(s, branch_color, "%s\n", branch_name);
1544 if (!s->is_initial)
1545 wt_longstatus_print_tracking(s);
1546 }
1547
1548 wt_longstatus_print_state(s, &state);
1549 free(state.branch);
1550 free(state.onto);
1551 free(state.detached_from);
1552
1553 if (s->is_initial) {
1554 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1555 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1556 status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1557 }
1558
1559 wt_longstatus_print_updated(s);
1560 wt_longstatus_print_unmerged(s);
1561 wt_longstatus_print_changed(s);
1562 if (s->submodule_summary &&
1563 (!s->ignore_submodule_arg ||
1564 strcmp(s->ignore_submodule_arg, "all"))) {
1565 wt_longstatus_print_submodule_summary(s, 0); /* staged */
1566 wt_longstatus_print_submodule_summary(s, 1); /* unstaged */
1567 }
1568 if (s->show_untracked_files) {
1569 wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
1570 if (s->show_ignored_files)
1571 wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1572 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1573 status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1574 status_printf_ln(s, GIT_COLOR_NORMAL,
1575 _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1576 "may speed it up, but you have to be careful not to forget to add\n"
1577 "new files yourself (see 'git help status')."),
1578 s->untracked_in_ms / 1000.0);
1579 }
1580 } else if (s->commitable)
1581 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1582 s->hints
1583 ? _(" (use -u option to show untracked files)") : "");
1584
1585 if (s->verbose)
1586 wt_longstatus_print_verbose(s);
1587 if (!s->commitable) {
1588 if (s->amend)
1589 status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1590 else if (s->nowarn)
1591 ; /* nothing */
1592 else if (s->workdir_dirty) {
1593 if (s->hints)
1594 printf(_("no changes added to commit "
1595 "(use \"git add\" and/or \"git commit -a\")\n"));
1596 else
1597 printf(_("no changes added to commit\n"));
1598 } else if (s->untracked.nr) {
1599 if (s->hints)
1600 printf(_("nothing added to commit but untracked files "
1601 "present (use \"git add\" to track)\n"));
1602 else
1603 printf(_("nothing added to commit but untracked files present\n"));
1604 } else if (s->is_initial) {
1605 if (s->hints)
1606 printf(_("nothing to commit (create/copy files "
1607 "and use \"git add\" to track)\n"));
1608 else
1609 printf(_("nothing to commit\n"));
1610 } else if (!s->show_untracked_files) {
1611 if (s->hints)
1612 printf(_("nothing to commit (use -u to show untracked files)\n"));
1613 else
1614 printf(_("nothing to commit\n"));
1615 } else
1616 printf(_("nothing to commit, working tree clean\n"));
1617 }
1618 }
1619
1620 static void wt_shortstatus_unmerged(struct string_list_item *it,
1621 struct wt_status *s)
1622 {
1623 struct wt_status_change_data *d = it->util;
1624 const char *how = "??";
1625
1626 switch (d->stagemask) {
1627 case 1: how = "DD"; break; /* both deleted */
1628 case 2: how = "AU"; break; /* added by us */
1629 case 3: how = "UD"; break; /* deleted by them */
1630 case 4: how = "UA"; break; /* added by them */
1631 case 5: how = "DU"; break; /* deleted by us */
1632 case 6: how = "AA"; break; /* both added */
1633 case 7: how = "UU"; break; /* both modified */
1634 }
1635 color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1636 if (s->null_termination) {
1637 fprintf(stdout, " %s%c", it->string, 0);
1638 } else {
1639 struct strbuf onebuf = STRBUF_INIT;
1640 const char *one;
1641 one = quote_path(it->string, s->prefix, &onebuf);
1642 printf(" %s\n", one);
1643 strbuf_release(&onebuf);
1644 }
1645 }
1646
1647 static void wt_shortstatus_status(struct string_list_item *it,
1648 struct wt_status *s)
1649 {
1650 struct wt_status_change_data *d = it->util;
1651
1652 if (d->index_status)
1653 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1654 else
1655 putchar(' ');
1656 if (d->worktree_status)
1657 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1658 else
1659 putchar(' ');
1660 putchar(' ');
1661 if (s->null_termination) {
1662 fprintf(stdout, "%s%c", it->string, 0);
1663 if (d->head_path)
1664 fprintf(stdout, "%s%c", d->head_path, 0);
1665 } else {
1666 struct strbuf onebuf = STRBUF_INIT;
1667 const char *one;
1668 if (d->head_path) {
1669 one = quote_path(d->head_path, s->prefix, &onebuf);
1670 if (*one != '"' && strchr(one, ' ') != NULL) {
1671 putchar('"');
1672 strbuf_addch(&onebuf, '"');
1673 one = onebuf.buf;
1674 }
1675 printf("%s -> ", one);
1676 strbuf_release(&onebuf);
1677 }
1678 one = quote_path(it->string, s->prefix, &onebuf);
1679 if (*one != '"' && strchr(one, ' ') != NULL) {
1680 putchar('"');
1681 strbuf_addch(&onebuf, '"');
1682 one = onebuf.buf;
1683 }
1684 printf("%s\n", one);
1685 strbuf_release(&onebuf);
1686 }
1687 }
1688
1689 static void wt_shortstatus_other(struct string_list_item *it,
1690 struct wt_status *s, const char *sign)
1691 {
1692 if (s->null_termination) {
1693 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1694 } else {
1695 struct strbuf onebuf = STRBUF_INIT;
1696 const char *one;
1697 one = quote_path(it->string, s->prefix, &onebuf);
1698 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1699 printf(" %s\n", one);
1700 strbuf_release(&onebuf);
1701 }
1702 }
1703
1704 static void wt_shortstatus_print_tracking(struct wt_status *s)
1705 {
1706 struct branch *branch;
1707 const char *header_color = color(WT_STATUS_HEADER, s);
1708 const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1709 const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1710
1711 const char *base;
1712 const char *branch_name;
1713 int num_ours, num_theirs;
1714 int upstream_is_gone = 0;
1715
1716 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1717
1718 if (!s->branch)
1719 return;
1720 branch_name = s->branch;
1721
1722 if (s->is_initial)
1723 color_fprintf(s->fp, header_color, _("Initial commit on "));
1724
1725 if (!strcmp(s->branch, "HEAD")) {
1726 color_fprintf(s->fp, color(WT_STATUS_NOBRANCH, s), "%s",
1727 _("HEAD (no branch)"));
1728 goto conclude;
1729 }
1730
1731 skip_prefix(branch_name, "refs/heads/", &branch_name);
1732
1733 branch = branch_get(branch_name);
1734
1735 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1736
1737 if (stat_tracking_info(branch, &num_ours, &num_theirs, &base) < 0) {
1738 if (!base)
1739 goto conclude;
1740
1741 upstream_is_gone = 1;
1742 }
1743
1744 base = shorten_unambiguous_ref(base, 0);
1745 color_fprintf(s->fp, header_color, "...");
1746 color_fprintf(s->fp, branch_color_remote, "%s", base);
1747 free((char *)base);
1748
1749 if (!upstream_is_gone && !num_ours && !num_theirs)
1750 goto conclude;
1751
1752 #define LABEL(string) (s->no_gettext ? (string) : _(string))
1753
1754 color_fprintf(s->fp, header_color, " [");
1755 if (upstream_is_gone) {
1756 color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1757 } else if (!num_ours) {
1758 color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1759 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1760 } else if (!num_theirs) {
1761 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1762 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1763 } else {
1764 color_fprintf(s->fp, header_color, LABEL(N_("ahead ")));
1765 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1766 color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1767 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1768 }
1769
1770 color_fprintf(s->fp, header_color, "]");
1771 conclude:
1772 fputc(s->null_termination ? '\0' : '\n', s->fp);
1773 }
1774
1775 static void wt_shortstatus_print(struct wt_status *s)
1776 {
1777 int i;
1778
1779 if (s->show_branch)
1780 wt_shortstatus_print_tracking(s);
1781
1782 for (i = 0; i < s->change.nr; i++) {
1783 struct wt_status_change_data *d;
1784 struct string_list_item *it;
1785
1786 it = &(s->change.items[i]);
1787 d = it->util;
1788 if (d->stagemask)
1789 wt_shortstatus_unmerged(it, s);
1790 else
1791 wt_shortstatus_status(it, s);
1792 }
1793 for (i = 0; i < s->untracked.nr; i++) {
1794 struct string_list_item *it;
1795
1796 it = &(s->untracked.items[i]);
1797 wt_shortstatus_other(it, s, "??");
1798 }
1799 for (i = 0; i < s->ignored.nr; i++) {
1800 struct string_list_item *it;
1801
1802 it = &(s->ignored.items[i]);
1803 wt_shortstatus_other(it, s, "!!");
1804 }
1805 }
1806
1807 static void wt_porcelain_print(struct wt_status *s)
1808 {
1809 s->use_color = 0;
1810 s->relative_paths = 0;
1811 s->prefix = NULL;
1812 s->no_gettext = 1;
1813 wt_shortstatus_print(s);
1814 }
1815
1816 /*
1817 * Print branch information for porcelain v2 output. These lines
1818 * are printed when the '--branch' parameter is given.
1819 *
1820 * # branch.oid <commit><eol>
1821 * # branch.head <head><eol>
1822 * [# branch.upstream <upstream><eol>
1823 * [# branch.ab +<ahead> -<behind><eol>]]
1824 *
1825 * <commit> ::= the current commit hash or the the literal
1826 * "(initial)" to indicate an initialized repo
1827 * with no commits.
1828 *
1829 * <head> ::= <branch_name> the current branch name or
1830 * "(detached)" literal when detached head or
1831 * "(unknown)" when something is wrong.
1832 *
1833 * <upstream> ::= the upstream branch name, when set.
1834 *
1835 * <ahead> ::= integer ahead value, when upstream set
1836 * and the commit is present (not gone).
1837 *
1838 * <behind> ::= integer behind value, when upstream set
1839 * and commit is present.
1840 *
1841 *
1842 * The end-of-line is defined by the -z flag.
1843 *
1844 * <eol> ::= NUL when -z,
1845 * LF when NOT -z.
1846 *
1847 */
1848 static void wt_porcelain_v2_print_tracking(struct wt_status *s)
1849 {
1850 struct branch *branch;
1851 const char *base;
1852 const char *branch_name;
1853 struct wt_status_state state;
1854 int ab_info, nr_ahead, nr_behind;
1855 char eol = s->null_termination ? '\0' : '\n';
1856
1857 memset(&state, 0, sizeof(state));
1858 wt_status_get_state(&state, s->branch && !strcmp(s->branch, "HEAD"));
1859
1860 fprintf(s->fp, "# branch.oid %s%c",
1861 (s->is_initial ? "(initial)" : sha1_to_hex(s->sha1_commit)),
1862 eol);
1863
1864 if (!s->branch)
1865 fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol);
1866 else {
1867 if (!strcmp(s->branch, "HEAD")) {
1868 fprintf(s->fp, "# branch.head %s%c", "(detached)", eol);
1869
1870 if (state.rebase_in_progress || state.rebase_interactive_in_progress)
1871 branch_name = state.onto;
1872 else if (state.detached_from)
1873 branch_name = state.detached_from;
1874 else
1875 branch_name = "";
1876 } else {
1877 branch_name = NULL;
1878 skip_prefix(s->branch, "refs/heads/", &branch_name);
1879
1880 fprintf(s->fp, "# branch.head %s%c", branch_name, eol);
1881 }
1882
1883 /* Lookup stats on the upstream tracking branch, if set. */
1884 branch = branch_get(branch_name);
1885 base = NULL;
1886 ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0);
1887 if (base) {
1888 base = shorten_unambiguous_ref(base, 0);
1889 fprintf(s->fp, "# branch.upstream %s%c", base, eol);
1890 free((char *)base);
1891
1892 if (ab_info)
1893 fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol);
1894 }
1895 }
1896
1897 free(state.branch);
1898 free(state.onto);
1899 free(state.detached_from);
1900 }
1901
1902 /*
1903 * Convert various submodule status values into a
1904 * fixed-length string of characters in the buffer provided.
1905 */
1906 static void wt_porcelain_v2_submodule_state(
1907 struct wt_status_change_data *d,
1908 char sub[5])
1909 {
1910 if (S_ISGITLINK(d->mode_head) ||
1911 S_ISGITLINK(d->mode_index) ||
1912 S_ISGITLINK(d->mode_worktree)) {
1913 sub[0] = 'S';
1914 sub[1] = d->new_submodule_commits ? 'C' : '.';
1915 sub[2] = (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED) ? 'M' : '.';
1916 sub[3] = (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) ? 'U' : '.';
1917 } else {
1918 sub[0] = 'N';
1919 sub[1] = '.';
1920 sub[2] = '.';
1921 sub[3] = '.';
1922 }
1923 sub[4] = 0;
1924 }
1925
1926 /*
1927 * Fix-up changed entries before we print them.
1928 */
1929 static void wt_porcelain_v2_fix_up_changed(
1930 struct string_list_item *it,
1931 struct wt_status *s)
1932 {
1933 struct wt_status_change_data *d = it->util;
1934
1935 if (!d->index_status) {
1936 /*
1937 * This entry is unchanged in the index (relative to the head).
1938 * Therefore, the collect_updated_cb was never called for this
1939 * entry (during the head-vs-index scan) and so the head column
1940 * fields were never set.
1941 *
1942 * We must have data for the index column (from the
1943 * index-vs-worktree scan (otherwise, this entry should not be
1944 * in the list of changes)).
1945 *
1946 * Copy index column fields to the head column, so that our
1947 * output looks complete.
1948 */
1949 assert(d->mode_head == 0);
1950 d->mode_head = d->mode_index;
1951 oidcpy(&d->oid_head, &d->oid_index);
1952 }
1953
1954 if (!d->worktree_status) {
1955 /*
1956 * This entry is unchanged in the worktree (relative to the index).
1957 * Therefore, the collect_changed_cb was never called for this entry
1958 * (during the index-vs-worktree scan) and so the worktree column
1959 * fields were never set.
1960 *
1961 * We must have data for the index column (from the head-vs-index
1962 * scan).
1963 *
1964 * Copy the index column fields to the worktree column so that
1965 * our output looks complete.
1966 *
1967 * Note that we only have a mode field in the worktree column
1968 * because the scan code tries really hard to not have to compute it.
1969 */
1970 assert(d->mode_worktree == 0);
1971 d->mode_worktree = d->mode_index;
1972 }
1973 }
1974
1975 /*
1976 * Print porcelain v2 info for tracked entries with changes.
1977 */
1978 static void wt_porcelain_v2_print_changed_entry(
1979 struct string_list_item *it,
1980 struct wt_status *s)
1981 {
1982 struct wt_status_change_data *d = it->util;
1983 struct strbuf buf_index = STRBUF_INIT;
1984 struct strbuf buf_head = STRBUF_INIT;
1985 const char *path_index = NULL;
1986 const char *path_head = NULL;
1987 char key[3];
1988 char submodule_token[5];
1989 char sep_char, eol_char;
1990
1991 wt_porcelain_v2_fix_up_changed(it, s);
1992 wt_porcelain_v2_submodule_state(d, submodule_token);
1993
1994 key[0] = d->index_status ? d->index_status : '.';
1995 key[1] = d->worktree_status ? d->worktree_status : '.';
1996 key[2] = 0;
1997
1998 if (s->null_termination) {
1999 /*
2000 * In -z mode, we DO NOT C-quote pathnames. Current path is ALWAYS first.
2001 * A single NUL character separates them.
2002 */
2003 sep_char = '\0';
2004 eol_char = '\0';
2005 path_index = it->string;
2006 path_head = d->head_path;
2007 } else {
2008 /*
2009 * Path(s) are C-quoted if necessary. Current path is ALWAYS first.
2010 * The source path is only present when necessary.
2011 * A single TAB separates them (because paths can contain spaces
2012 * which are not escaped and C-quoting does escape TAB characters).
2013 */
2014 sep_char = '\t';
2015 eol_char = '\n';
2016 path_index = quote_path(it->string, s->prefix, &buf_index);
2017 if (d->head_path)
2018 path_head = quote_path(d->head_path, s->prefix, &buf_head);
2019 }
2020
2021 if (path_head)
2022 fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c",
2023 key, submodule_token,
2024 d->mode_head, d->mode_index, d->mode_worktree,
2025 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2026 key[0], d->score,
2027 path_index, sep_char, path_head, eol_char);
2028 else
2029 fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c",
2030 key, submodule_token,
2031 d->mode_head, d->mode_index, d->mode_worktree,
2032 oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
2033 path_index, eol_char);
2034
2035 strbuf_release(&buf_index);
2036 strbuf_release(&buf_head);
2037 }
2038
2039 /*
2040 * Print porcelain v2 status info for unmerged entries.
2041 */
2042 static void wt_porcelain_v2_print_unmerged_entry(
2043 struct string_list_item *it,
2044 struct wt_status *s)
2045 {
2046 struct wt_status_change_data *d = it->util;
2047 const struct cache_entry *ce;
2048 struct strbuf buf_index = STRBUF_INIT;
2049 const char *path_index = NULL;
2050 int pos, stage, sum;
2051 struct {
2052 int mode;
2053 struct object_id oid;
2054 } stages[3];
2055 char *key;
2056 char submodule_token[5];
2057 char unmerged_prefix = 'u';
2058 char eol_char = s->null_termination ? '\0' : '\n';
2059
2060 wt_porcelain_v2_submodule_state(d, submodule_token);
2061
2062 switch (d->stagemask) {
2063 case 1: key = "DD"; break; /* both deleted */
2064 case 2: key = "AU"; break; /* added by us */
2065 case 3: key = "UD"; break; /* deleted by them */
2066 case 4: key = "UA"; break; /* added by them */
2067 case 5: key = "DU"; break; /* deleted by us */
2068 case 6: key = "AA"; break; /* both added */
2069 case 7: key = "UU"; break; /* both modified */
2070 default:
2071 die("BUG: unhandled unmerged status %x", d->stagemask);
2072 }
2073
2074 /*
2075 * Disregard d.aux.porcelain_v2 data that we accumulated
2076 * for the head and index columns during the scans and
2077 * replace with the actual stage data.
2078 *
2079 * Note that this is a last-one-wins for each the individual
2080 * stage [123] columns in the event of multiple cache entries
2081 * for same stage.
2082 */
2083 memset(stages, 0, sizeof(stages));
2084 sum = 0;
2085 pos = cache_name_pos(it->string, strlen(it->string));
2086 assert(pos < 0);
2087 pos = -pos-1;
2088 while (pos < active_nr) {
2089 ce = active_cache[pos++];
2090 stage = ce_stage(ce);
2091 if (strcmp(ce->name, it->string) || !stage)
2092 break;
2093 stages[stage - 1].mode = ce->ce_mode;
2094 hashcpy(stages[stage - 1].oid.hash, ce->oid.hash);
2095 sum |= (1 << (stage - 1));
2096 }
2097 if (sum != d->stagemask)
2098 die("BUG: observed stagemask 0x%x != expected stagemask 0x%x", sum, d->stagemask);
2099
2100 if (s->null_termination)
2101 path_index = it->string;
2102 else
2103 path_index = quote_path(it->string, s->prefix, &buf_index);
2104
2105 fprintf(s->fp, "%c %s %s %06o %06o %06o %06o %s %s %s %s%c",
2106 unmerged_prefix, key, submodule_token,
2107 stages[0].mode, /* stage 1 */
2108 stages[1].mode, /* stage 2 */
2109 stages[2].mode, /* stage 3 */
2110 d->mode_worktree,
2111 oid_to_hex(&stages[0].oid), /* stage 1 */
2112 oid_to_hex(&stages[1].oid), /* stage 2 */
2113 oid_to_hex(&stages[2].oid), /* stage 3 */
2114 path_index,
2115 eol_char);
2116
2117 strbuf_release(&buf_index);
2118 }
2119
2120 /*
2121 * Print porcelain V2 status info for untracked and ignored entries.
2122 */
2123 static void wt_porcelain_v2_print_other(
2124 struct string_list_item *it,
2125 struct wt_status *s,
2126 char prefix)
2127 {
2128 struct strbuf buf = STRBUF_INIT;
2129 const char *path;
2130 char eol_char;
2131
2132 if (s->null_termination) {
2133 path = it->string;
2134 eol_char = '\0';
2135 } else {
2136 path = quote_path(it->string, s->prefix, &buf);
2137 eol_char = '\n';
2138 }
2139
2140 fprintf(s->fp, "%c %s%c", prefix, path, eol_char);
2141
2142 strbuf_release(&buf);
2143 }
2144
2145 /*
2146 * Print porcelain V2 status.
2147 *
2148 * [<v2_branch>]
2149 * [<v2_changed_items>]*
2150 * [<v2_unmerged_items>]*
2151 * [<v2_untracked_items>]*
2152 * [<v2_ignored_items>]*
2153 *
2154 */
2155 static void wt_porcelain_v2_print(struct wt_status *s)
2156 {
2157 struct wt_status_change_data *d;
2158 struct string_list_item *it;
2159 int i;
2160
2161 if (s->show_branch)
2162 wt_porcelain_v2_print_tracking(s);
2163
2164 for (i = 0; i < s->change.nr; i++) {
2165 it = &(s->change.items[i]);
2166 d = it->util;
2167 if (!d->stagemask)
2168 wt_porcelain_v2_print_changed_entry(it, s);
2169 }
2170
2171 for (i = 0; i < s->change.nr; i++) {
2172 it = &(s->change.items[i]);
2173 d = it->util;
2174 if (d->stagemask)
2175 wt_porcelain_v2_print_unmerged_entry(it, s);
2176 }
2177
2178 for (i = 0; i < s->untracked.nr; i++) {
2179 it = &(s->untracked.items[i]);
2180 wt_porcelain_v2_print_other(it, s, '?');
2181 }
2182
2183 for (i = 0; i < s->ignored.nr; i++) {
2184 it = &(s->ignored.items[i]);
2185 wt_porcelain_v2_print_other(it, s, '!');
2186 }
2187 }
2188
2189 void wt_status_print(struct wt_status *s)
2190 {
2191 switch (s->status_format) {
2192 case STATUS_FORMAT_SHORT:
2193 wt_shortstatus_print(s);
2194 break;
2195 case STATUS_FORMAT_PORCELAIN:
2196 wt_porcelain_print(s);
2197 break;
2198 case STATUS_FORMAT_PORCELAIN_V2:
2199 wt_porcelain_v2_print(s);
2200 break;
2201 case STATUS_FORMAT_UNSPECIFIED:
2202 die("BUG: finalize_deferred_config() should have been called");
2203 break;
2204 case STATUS_FORMAT_NONE:
2205 case STATUS_FORMAT_LONG:
2206 wt_longstatus_print(s);
2207 break;
2208 }
2209 }
2210
2211 /**
2212 * Returns 1 if there are unstaged changes, 0 otherwise.
2213 */
2214 int has_unstaged_changes(int ignore_submodules)
2215 {
2216 struct rev_info rev_info;
2217 int result;
2218
2219 init_revisions(&rev_info, NULL);
2220 if (ignore_submodules)
2221 DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
2222 DIFF_OPT_SET(&rev_info.diffopt, QUICK);
2223 diff_setup_done(&rev_info.diffopt);
2224 result = run_diff_files(&rev_info, 0);
2225 return diff_result_code(&rev_info.diffopt, result);
2226 }
2227
2228 /**
2229 * Returns 1 if there are uncommitted changes, 0 otherwise.
2230 */
2231 int has_uncommitted_changes(int ignore_submodules)
2232 {
2233 struct rev_info rev_info;
2234 int result;
2235
2236 if (is_cache_unborn())
2237 return 0;
2238
2239 init_revisions(&rev_info, NULL);
2240 if (ignore_submodules)
2241 DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
2242 DIFF_OPT_SET(&rev_info.diffopt, QUICK);
2243 add_head_to_pending(&rev_info);
2244 diff_setup_done(&rev_info.diffopt);
2245 result = run_diff_index(&rev_info, 1);
2246 return diff_result_code(&rev_info.diffopt, result);
2247 }
2248
2249 /**
2250 * If the work tree has unstaged or uncommitted changes, dies with the
2251 * appropriate message.
2252 */
2253 int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
2254 {
2255 struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
2256 int err = 0;
2257
2258 hold_locked_index(lock_file, 0);
2259 refresh_cache(REFRESH_QUIET);
2260 update_index_if_able(&the_index, lock_file);
2261 rollback_lock_file(lock_file);
2262
2263 if (has_unstaged_changes(ignore_submodules)) {
2264 /* TRANSLATORS: the action is e.g. "pull with rebase" */
2265 error(_("cannot %s: You have unstaged changes."), _(action));
2266 err = 1;
2267 }
2268
2269 if (has_uncommitted_changes(ignore_submodules)) {
2270 if (err)
2271 error(_("additionally, your index contains uncommitted changes."));
2272 else
2273 error(_("cannot %s: Your index contains uncommitted changes."),
2274 _(action));
2275 err = 1;
2276 }
2277
2278 if (err) {
2279 if (hint)
2280 error("%s", hint);
2281 if (!gently)
2282 exit(128);
2283 }
2284
2285 return err;
2286 }
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