Merge branch 'jk/maint-advise-vaddf' into maint
[git] / wt-status.c
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 "remote.h"
12 #include "refs.h"
13 #include "submodule.h"
14 #include "column.h"
15
16 static char default_wt_status_colors[][COLOR_MAXLEN] = {
17         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
18         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
19         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
20         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
21         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
22         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
23         GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
24         GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
25         GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
26 };
27
28 static const char *color(int slot, struct wt_status *s)
29 {
30         const char *c = "";
31         if (want_color(s->use_color))
32                 c = s->color_palette[slot];
33         if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
34                 c = s->color_palette[WT_STATUS_HEADER];
35         return c;
36 }
37
38 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
39                 const char *fmt, va_list ap, const char *trail)
40 {
41         struct strbuf sb = STRBUF_INIT;
42         struct strbuf linebuf = STRBUF_INIT;
43         const char *line, *eol;
44
45         strbuf_vaddf(&sb, fmt, ap);
46         if (!sb.len) {
47                 strbuf_addch(&sb, '#');
48                 if (!trail)
49                         strbuf_addch(&sb, ' ');
50                 color_print_strbuf(s->fp, color, &sb);
51                 if (trail)
52                         fprintf(s->fp, "%s", trail);
53                 strbuf_release(&sb);
54                 return;
55         }
56         for (line = sb.buf; *line; line = eol + 1) {
57                 eol = strchr(line, '\n');
58
59                 strbuf_reset(&linebuf);
60                 if (at_bol) {
61                         strbuf_addch(&linebuf, '#');
62                         if (*line != '\n' && *line != '\t')
63                                 strbuf_addch(&linebuf, ' ');
64                 }
65                 if (eol)
66                         strbuf_add(&linebuf, line, eol - line);
67                 else
68                         strbuf_addstr(&linebuf, line);
69                 color_print_strbuf(s->fp, color, &linebuf);
70                 if (eol)
71                         fprintf(s->fp, "\n");
72                 else
73                         break;
74                 at_bol = 1;
75         }
76         if (trail)
77                 fprintf(s->fp, "%s", trail);
78         strbuf_release(&linebuf);
79         strbuf_release(&sb);
80 }
81
82 void status_printf_ln(struct wt_status *s, const char *color,
83                         const char *fmt, ...)
84 {
85         va_list ap;
86
87         va_start(ap, fmt);
88         status_vprintf(s, 1, color, fmt, ap, "\n");
89         va_end(ap);
90 }
91
92 void status_printf(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, NULL);
99         va_end(ap);
100 }
101
102 void status_printf_more(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, 0, color, fmt, ap, NULL);
109         va_end(ap);
110 }
111
112 void wt_status_prepare(struct wt_status *s)
113 {
114         unsigned char sha1[20];
115
116         memset(s, 0, sizeof(*s));
117         memcpy(s->color_palette, default_wt_status_colors,
118                sizeof(default_wt_status_colors));
119         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
120         s->use_color = -1;
121         s->relative_paths = 1;
122         s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
123         s->reference = "HEAD";
124         s->fp = stdout;
125         s->index_file = get_index_file();
126         s->change.strdup_strings = 1;
127         s->untracked.strdup_strings = 1;
128         s->ignored.strdup_strings = 1;
129 }
130
131 static void wt_status_print_unmerged_header(struct wt_status *s)
132 {
133         const char *c = color(WT_STATUS_HEADER, s);
134
135         status_printf_ln(s, c, _("Unmerged paths:"));
136         if (!advice_status_hints)
137                 return;
138         if (s->whence != FROM_COMMIT)
139                 ;
140         else if (!s->is_initial)
141                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
142         else
143                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
144         status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
145         status_printf_ln(s, c, "");
146 }
147
148 static void wt_status_print_cached_header(struct wt_status *s)
149 {
150         const char *c = color(WT_STATUS_HEADER, s);
151
152         status_printf_ln(s, c, _("Changes to be committed:"));
153         if (!advice_status_hints)
154                 return;
155         if (s->whence != FROM_COMMIT)
156                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
157         else if (!s->is_initial)
158                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
159         else
160                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
161         status_printf_ln(s, c, "");
162 }
163
164 static void wt_status_print_dirty_header(struct wt_status *s,
165                                          int has_deleted,
166                                          int has_dirty_submodules)
167 {
168         const char *c = color(WT_STATUS_HEADER, s);
169
170         status_printf_ln(s, c, _("Changes not staged for commit:"));
171         if (!advice_status_hints)
172                 return;
173         if (!has_deleted)
174                 status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
175         else
176                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
177         status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
178         if (has_dirty_submodules)
179                 status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
180         status_printf_ln(s, c, "");
181 }
182
183 static void wt_status_print_other_header(struct wt_status *s,
184                                          const char *what,
185                                          const char *how)
186 {
187         const char *c = color(WT_STATUS_HEADER, s);
188         status_printf_ln(s, c, _("%s files:"), what);
189         if (!advice_status_hints)
190                 return;
191         status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
192         status_printf_ln(s, c, "");
193 }
194
195 static void wt_status_print_trailer(struct wt_status *s)
196 {
197         status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
198 }
199
200 #define quote_path quote_path_relative
201
202 static void wt_status_print_unmerged_data(struct wt_status *s,
203                                           struct string_list_item *it)
204 {
205         const char *c = color(WT_STATUS_UNMERGED, s);
206         struct wt_status_change_data *d = it->util;
207         struct strbuf onebuf = STRBUF_INIT;
208         const char *one, *how = _("bug");
209
210         one = quote_path(it->string, -1, &onebuf, s->prefix);
211         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
212         switch (d->stagemask) {
213         case 1: how = _("both deleted:"); break;
214         case 2: how = _("added by us:"); break;
215         case 3: how = _("deleted by them:"); break;
216         case 4: how = _("added by them:"); break;
217         case 5: how = _("deleted by us:"); break;
218         case 6: how = _("both added:"); break;
219         case 7: how = _("both modified:"); break;
220         }
221         status_printf_more(s, c, "%-20s%s\n", how, one);
222         strbuf_release(&onebuf);
223 }
224
225 static void wt_status_print_change_data(struct wt_status *s,
226                                         int change_type,
227                                         struct string_list_item *it)
228 {
229         struct wt_status_change_data *d = it->util;
230         const char *c = color(change_type, s);
231         int status = status;
232         char *one_name;
233         char *two_name;
234         const char *one, *two;
235         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
236         struct strbuf extra = STRBUF_INIT;
237
238         one_name = two_name = it->string;
239         switch (change_type) {
240         case WT_STATUS_UPDATED:
241                 status = d->index_status;
242                 if (d->head_path)
243                         one_name = d->head_path;
244                 break;
245         case WT_STATUS_CHANGED:
246                 if (d->new_submodule_commits || d->dirty_submodule) {
247                         strbuf_addstr(&extra, " (");
248                         if (d->new_submodule_commits)
249                                 strbuf_addf(&extra, _("new commits, "));
250                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
251                                 strbuf_addf(&extra, _("modified content, "));
252                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
253                                 strbuf_addf(&extra, _("untracked content, "));
254                         strbuf_setlen(&extra, extra.len - 2);
255                         strbuf_addch(&extra, ')');
256                 }
257                 status = d->worktree_status;
258                 break;
259         }
260
261         one = quote_path(one_name, -1, &onebuf, s->prefix);
262         two = quote_path(two_name, -1, &twobuf, s->prefix);
263
264         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
265         switch (status) {
266         case DIFF_STATUS_ADDED:
267                 status_printf_more(s, c, _("new file:   %s"), one);
268                 break;
269         case DIFF_STATUS_COPIED:
270                 status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
271                 break;
272         case DIFF_STATUS_DELETED:
273                 status_printf_more(s, c, _("deleted:    %s"), one);
274                 break;
275         case DIFF_STATUS_MODIFIED:
276                 status_printf_more(s, c, _("modified:   %s"), one);
277                 break;
278         case DIFF_STATUS_RENAMED:
279                 status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
280                 break;
281         case DIFF_STATUS_TYPE_CHANGED:
282                 status_printf_more(s, c, _("typechange: %s"), one);
283                 break;
284         case DIFF_STATUS_UNKNOWN:
285                 status_printf_more(s, c, _("unknown:    %s"), one);
286                 break;
287         case DIFF_STATUS_UNMERGED:
288                 status_printf_more(s, c, _("unmerged:   %s"), one);
289                 break;
290         default:
291                 die(_("bug: unhandled diff status %c"), status);
292         }
293         if (extra.len) {
294                 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
295                 strbuf_release(&extra);
296         }
297         status_printf_more(s, GIT_COLOR_NORMAL, "\n");
298         strbuf_release(&onebuf);
299         strbuf_release(&twobuf);
300 }
301
302 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
303                                          struct diff_options *options,
304                                          void *data)
305 {
306         struct wt_status *s = data;
307         int i;
308
309         if (!q->nr)
310                 return;
311         s->workdir_dirty = 1;
312         for (i = 0; i < q->nr; i++) {
313                 struct diff_filepair *p;
314                 struct string_list_item *it;
315                 struct wt_status_change_data *d;
316
317                 p = q->queue[i];
318                 it = string_list_insert(&s->change, p->one->path);
319                 d = it->util;
320                 if (!d) {
321                         d = xcalloc(1, sizeof(*d));
322                         it->util = d;
323                 }
324                 if (!d->worktree_status)
325                         d->worktree_status = p->status;
326                 d->dirty_submodule = p->two->dirty_submodule;
327                 if (S_ISGITLINK(p->two->mode))
328                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
329         }
330 }
331
332 static int unmerged_mask(const char *path)
333 {
334         int pos, mask;
335         struct cache_entry *ce;
336
337         pos = cache_name_pos(path, strlen(path));
338         if (0 <= pos)
339                 return 0;
340
341         mask = 0;
342         pos = -pos-1;
343         while (pos < active_nr) {
344                 ce = active_cache[pos++];
345                 if (strcmp(ce->name, path) || !ce_stage(ce))
346                         break;
347                 mask |= (1 << (ce_stage(ce) - 1));
348         }
349         return mask;
350 }
351
352 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
353                                          struct diff_options *options,
354                                          void *data)
355 {
356         struct wt_status *s = data;
357         int i;
358
359         for (i = 0; i < q->nr; i++) {
360                 struct diff_filepair *p;
361                 struct string_list_item *it;
362                 struct wt_status_change_data *d;
363
364                 p = q->queue[i];
365                 it = string_list_insert(&s->change, p->two->path);
366                 d = it->util;
367                 if (!d) {
368                         d = xcalloc(1, sizeof(*d));
369                         it->util = d;
370                 }
371                 if (!d->index_status)
372                         d->index_status = p->status;
373                 switch (p->status) {
374                 case DIFF_STATUS_COPIED:
375                 case DIFF_STATUS_RENAMED:
376                         d->head_path = xstrdup(p->one->path);
377                         break;
378                 case DIFF_STATUS_UNMERGED:
379                         d->stagemask = unmerged_mask(p->two->path);
380                         break;
381                 }
382         }
383 }
384
385 static void wt_status_collect_changes_worktree(struct wt_status *s)
386 {
387         struct rev_info rev;
388
389         init_revisions(&rev, NULL);
390         setup_revisions(0, NULL, &rev, NULL);
391         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
392         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
393         if (!s->show_untracked_files)
394                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
395         if (s->ignore_submodule_arg) {
396                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
397                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
398         }
399         rev.diffopt.format_callback = wt_status_collect_changed_cb;
400         rev.diffopt.format_callback_data = s;
401         init_pathspec(&rev.prune_data, s->pathspec);
402         run_diff_files(&rev, 0);
403 }
404
405 static void wt_status_collect_changes_index(struct wt_status *s)
406 {
407         struct rev_info rev;
408         struct setup_revision_opt opt;
409
410         init_revisions(&rev, NULL);
411         memset(&opt, 0, sizeof(opt));
412         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
413         setup_revisions(0, NULL, &rev, &opt);
414
415         if (s->ignore_submodule_arg) {
416                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
417                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
418         }
419
420         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
421         rev.diffopt.format_callback = wt_status_collect_updated_cb;
422         rev.diffopt.format_callback_data = s;
423         rev.diffopt.detect_rename = 1;
424         rev.diffopt.rename_limit = 200;
425         rev.diffopt.break_opt = 0;
426         init_pathspec(&rev.prune_data, s->pathspec);
427         run_diff_index(&rev, 1);
428 }
429
430 static void wt_status_collect_changes_initial(struct wt_status *s)
431 {
432         struct pathspec pathspec;
433         int i;
434
435         init_pathspec(&pathspec, s->pathspec);
436         for (i = 0; i < active_nr; i++) {
437                 struct string_list_item *it;
438                 struct wt_status_change_data *d;
439                 struct cache_entry *ce = active_cache[i];
440
441                 if (!ce_path_match(ce, &pathspec))
442                         continue;
443                 it = string_list_insert(&s->change, ce->name);
444                 d = it->util;
445                 if (!d) {
446                         d = xcalloc(1, sizeof(*d));
447                         it->util = d;
448                 }
449                 if (ce_stage(ce)) {
450                         d->index_status = DIFF_STATUS_UNMERGED;
451                         d->stagemask |= (1 << (ce_stage(ce) - 1));
452                 }
453                 else
454                         d->index_status = DIFF_STATUS_ADDED;
455         }
456         free_pathspec(&pathspec);
457 }
458
459 static void wt_status_collect_untracked(struct wt_status *s)
460 {
461         int i;
462         struct dir_struct dir;
463
464         if (!s->show_untracked_files)
465                 return;
466         memset(&dir, 0, sizeof(dir));
467         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
468                 dir.flags |=
469                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
470         setup_standard_excludes(&dir);
471
472         fill_directory(&dir, s->pathspec);
473         for (i = 0; i < dir.nr; i++) {
474                 struct dir_entry *ent = dir.entries[i];
475                 if (cache_name_is_other(ent->name, ent->len) &&
476                     match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
477                         string_list_insert(&s->untracked, ent->name);
478                 free(ent);
479         }
480
481         if (s->show_ignored_files) {
482                 dir.nr = 0;
483                 dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
484                 fill_directory(&dir, s->pathspec);
485                 for (i = 0; i < dir.nr; i++) {
486                         struct dir_entry *ent = dir.entries[i];
487                         if (cache_name_is_other(ent->name, ent->len) &&
488                             match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
489                                 string_list_insert(&s->ignored, ent->name);
490                         free(ent);
491                 }
492         }
493
494         free(dir.entries);
495 }
496
497 void wt_status_collect(struct wt_status *s)
498 {
499         wt_status_collect_changes_worktree(s);
500
501         if (s->is_initial)
502                 wt_status_collect_changes_initial(s);
503         else
504                 wt_status_collect_changes_index(s);
505         wt_status_collect_untracked(s);
506 }
507
508 static void wt_status_print_unmerged(struct wt_status *s)
509 {
510         int shown_header = 0;
511         int i;
512
513         for (i = 0; i < s->change.nr; i++) {
514                 struct wt_status_change_data *d;
515                 struct string_list_item *it;
516                 it = &(s->change.items[i]);
517                 d = it->util;
518                 if (!d->stagemask)
519                         continue;
520                 if (!shown_header) {
521                         wt_status_print_unmerged_header(s);
522                         shown_header = 1;
523                 }
524                 wt_status_print_unmerged_data(s, it);
525         }
526         if (shown_header)
527                 wt_status_print_trailer(s);
528
529 }
530
531 static void wt_status_print_updated(struct wt_status *s)
532 {
533         int shown_header = 0;
534         int i;
535
536         for (i = 0; i < s->change.nr; i++) {
537                 struct wt_status_change_data *d;
538                 struct string_list_item *it;
539                 it = &(s->change.items[i]);
540                 d = it->util;
541                 if (!d->index_status ||
542                     d->index_status == DIFF_STATUS_UNMERGED)
543                         continue;
544                 if (!shown_header) {
545                         wt_status_print_cached_header(s);
546                         s->commitable = 1;
547                         shown_header = 1;
548                 }
549                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
550         }
551         if (shown_header)
552                 wt_status_print_trailer(s);
553 }
554
555 /*
556  * -1 : has delete
557  *  0 : no change
558  *  1 : some change but no delete
559  */
560 static int wt_status_check_worktree_changes(struct wt_status *s,
561                                              int *dirty_submodules)
562 {
563         int i;
564         int changes = 0;
565
566         *dirty_submodules = 0;
567
568         for (i = 0; i < s->change.nr; i++) {
569                 struct wt_status_change_data *d;
570                 d = s->change.items[i].util;
571                 if (!d->worktree_status ||
572                     d->worktree_status == DIFF_STATUS_UNMERGED)
573                         continue;
574                 if (!changes)
575                         changes = 1;
576                 if (d->dirty_submodule)
577                         *dirty_submodules = 1;
578                 if (d->worktree_status == DIFF_STATUS_DELETED)
579                         changes = -1;
580         }
581         return changes;
582 }
583
584 static void wt_status_print_changed(struct wt_status *s)
585 {
586         int i, dirty_submodules;
587         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
588
589         if (!worktree_changes)
590                 return;
591
592         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
593
594         for (i = 0; i < s->change.nr; i++) {
595                 struct wt_status_change_data *d;
596                 struct string_list_item *it;
597                 it = &(s->change.items[i]);
598                 d = it->util;
599                 if (!d->worktree_status ||
600                     d->worktree_status == DIFF_STATUS_UNMERGED)
601                         continue;
602                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
603         }
604         wt_status_print_trailer(s);
605 }
606
607 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
608 {
609         struct child_process sm_summary;
610         char summary_limit[64];
611         char index[PATH_MAX];
612         const char *env[] = { NULL, NULL };
613         const char *argv[8];
614
615         env[0] =        index;
616         argv[0] =       "submodule";
617         argv[1] =       "summary";
618         argv[2] =       uncommitted ? "--files" : "--cached";
619         argv[3] =       "--for-status";
620         argv[4] =       "--summary-limit";
621         argv[5] =       summary_limit;
622         argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
623         argv[7] =       NULL;
624
625         sprintf(summary_limit, "%d", s->submodule_summary);
626         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
627
628         memset(&sm_summary, 0, sizeof(sm_summary));
629         sm_summary.argv = argv;
630         sm_summary.env = env;
631         sm_summary.git_cmd = 1;
632         sm_summary.no_stdin = 1;
633         fflush(s->fp);
634         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
635         run_command(&sm_summary);
636 }
637
638 static void wt_status_print_other(struct wt_status *s,
639                                   struct string_list *l,
640                                   const char *what,
641                                   const char *how)
642 {
643         int i;
644         struct strbuf buf = STRBUF_INIT;
645         static struct string_list output = STRING_LIST_INIT_DUP;
646         struct column_options copts;
647
648         if (!l->nr)
649                 return;
650
651         wt_status_print_other_header(s, what, how);
652
653         for (i = 0; i < l->nr; i++) {
654                 struct string_list_item *it;
655                 const char *path;
656                 it = &(l->items[i]);
657                 path = quote_path(it->string, strlen(it->string),
658                                   &buf, s->prefix);
659                 if (column_active(s->colopts)) {
660                         string_list_append(&output, path);
661                         continue;
662                 }
663                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
664                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
665                                    "%s\n", path);
666         }
667
668         strbuf_release(&buf);
669         if (!column_active(s->colopts))
670                 return;
671
672         strbuf_addf(&buf, "%s#\t%s",
673                     color(WT_STATUS_HEADER, s),
674                     color(WT_STATUS_UNTRACKED, s));
675         memset(&copts, 0, sizeof(copts));
676         copts.padding = 1;
677         copts.indent = buf.buf;
678         if (want_color(s->use_color))
679                 copts.nl = GIT_COLOR_RESET "\n";
680         print_columns(&output, s->colopts, &copts);
681         string_list_clear(&output, 0);
682         strbuf_release(&buf);
683 }
684
685 static void wt_status_print_verbose(struct wt_status *s)
686 {
687         struct rev_info rev;
688         struct setup_revision_opt opt;
689
690         init_revisions(&rev, NULL);
691         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
692
693         memset(&opt, 0, sizeof(opt));
694         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
695         setup_revisions(0, NULL, &rev, &opt);
696
697         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
698         rev.diffopt.detect_rename = 1;
699         rev.diffopt.file = s->fp;
700         rev.diffopt.close_file = 0;
701         /*
702          * If we're not going to stdout, then we definitely don't
703          * want color, since we are going to the commit message
704          * file (and even the "auto" setting won't work, since it
705          * will have checked isatty on stdout).
706          */
707         if (s->fp != stdout)
708                 rev.diffopt.use_color = 0;
709         run_diff_index(&rev, 1);
710 }
711
712 static void wt_status_print_tracking(struct wt_status *s)
713 {
714         struct strbuf sb = STRBUF_INIT;
715         const char *cp, *ep;
716         struct branch *branch;
717
718         assert(s->branch && !s->is_initial);
719         if (prefixcmp(s->branch, "refs/heads/"))
720                 return;
721         branch = branch_get(s->branch + 11);
722         if (!format_tracking_info(branch, &sb))
723                 return;
724
725         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
726                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
727                                  "# %.*s", (int)(ep - cp), cp);
728         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
729 }
730
731 void wt_status_print(struct wt_status *s)
732 {
733         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
734         const char *branch_status_color = color(WT_STATUS_HEADER, s);
735
736         if (s->branch) {
737                 const char *on_what = _("On branch ");
738                 const char *branch_name = s->branch;
739                 if (!prefixcmp(branch_name, "refs/heads/"))
740                         branch_name += 11;
741                 else if (!strcmp(branch_name, "HEAD")) {
742                         branch_name = "";
743                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
744                         on_what = _("Not currently on any branch.");
745                 }
746                 status_printf(s, color(WT_STATUS_HEADER, s), "");
747                 status_printf_more(s, branch_status_color, "%s", on_what);
748                 status_printf_more(s, branch_color, "%s\n", branch_name);
749                 if (!s->is_initial)
750                         wt_status_print_tracking(s);
751         }
752
753         if (s->is_initial) {
754                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
755                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
756                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
757         }
758
759         wt_status_print_updated(s);
760         wt_status_print_unmerged(s);
761         wt_status_print_changed(s);
762         if (s->submodule_summary &&
763             (!s->ignore_submodule_arg ||
764              strcmp(s->ignore_submodule_arg, "all"))) {
765                 wt_status_print_submodule_summary(s, 0);  /* staged */
766                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
767         }
768         if (s->show_untracked_files) {
769                 wt_status_print_other(s, &s->untracked, _("Untracked"), "add");
770                 if (s->show_ignored_files)
771                         wt_status_print_other(s, &s->ignored, _("Ignored"), "add -f");
772         } else if (s->commitable)
773                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
774                         advice_status_hints
775                         ? _(" (use -u option to show untracked files)") : "");
776
777         if (s->verbose)
778                 wt_status_print_verbose(s);
779         if (!s->commitable) {
780                 if (s->amend)
781                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
782                 else if (s->nowarn)
783                         ; /* nothing */
784                 else if (s->workdir_dirty)
785                         printf(_("no changes added to commit%s\n"),
786                                 advice_status_hints
787                                 ? _(" (use \"git add\" and/or \"git commit -a\")") : "");
788                 else if (s->untracked.nr)
789                         printf(_("nothing added to commit but untracked files present%s\n"),
790                                 advice_status_hints
791                                 ? _(" (use \"git add\" to track)") : "");
792                 else if (s->is_initial)
793                         printf(_("nothing to commit%s\n"), advice_status_hints
794                                 ? _(" (create/copy files and use \"git add\" to track)") : "");
795                 else if (!s->show_untracked_files)
796                         printf(_("nothing to commit%s\n"), advice_status_hints
797                                 ? _(" (use -u to show untracked files)") : "");
798                 else
799                         printf(_("nothing to commit%s\n"), advice_status_hints
800                                 ? _(" (working directory clean)") : "");
801         }
802 }
803
804 static void wt_shortstatus_unmerged(struct string_list_item *it,
805                            struct wt_status *s)
806 {
807         struct wt_status_change_data *d = it->util;
808         const char *how = "??";
809
810         switch (d->stagemask) {
811         case 1: how = "DD"; break; /* both deleted */
812         case 2: how = "AU"; break; /* added by us */
813         case 3: how = "UD"; break; /* deleted by them */
814         case 4: how = "UA"; break; /* added by them */
815         case 5: how = "DU"; break; /* deleted by us */
816         case 6: how = "AA"; break; /* both added */
817         case 7: how = "UU"; break; /* both modified */
818         }
819         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
820         if (s->null_termination) {
821                 fprintf(stdout, " %s%c", it->string, 0);
822         } else {
823                 struct strbuf onebuf = STRBUF_INIT;
824                 const char *one;
825                 one = quote_path(it->string, -1, &onebuf, s->prefix);
826                 printf(" %s\n", one);
827                 strbuf_release(&onebuf);
828         }
829 }
830
831 static void wt_shortstatus_status(struct string_list_item *it,
832                          struct wt_status *s)
833 {
834         struct wt_status_change_data *d = it->util;
835
836         if (d->index_status)
837                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
838         else
839                 putchar(' ');
840         if (d->worktree_status)
841                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
842         else
843                 putchar(' ');
844         putchar(' ');
845         if (s->null_termination) {
846                 fprintf(stdout, "%s%c", it->string, 0);
847                 if (d->head_path)
848                         fprintf(stdout, "%s%c", d->head_path, 0);
849         } else {
850                 struct strbuf onebuf = STRBUF_INIT;
851                 const char *one;
852                 if (d->head_path) {
853                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
854                         if (*one != '"' && strchr(one, ' ') != NULL) {
855                                 putchar('"');
856                                 strbuf_addch(&onebuf, '"');
857                                 one = onebuf.buf;
858                         }
859                         printf("%s -> ", one);
860                         strbuf_release(&onebuf);
861                 }
862                 one = quote_path(it->string, -1, &onebuf, s->prefix);
863                 if (*one != '"' && strchr(one, ' ') != NULL) {
864                         putchar('"');
865                         strbuf_addch(&onebuf, '"');
866                         one = onebuf.buf;
867                 }
868                 printf("%s\n", one);
869                 strbuf_release(&onebuf);
870         }
871 }
872
873 static void wt_shortstatus_other(struct string_list_item *it,
874                                  struct wt_status *s, const char *sign)
875 {
876         if (s->null_termination) {
877                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
878         } else {
879                 struct strbuf onebuf = STRBUF_INIT;
880                 const char *one;
881                 one = quote_path(it->string, -1, &onebuf, s->prefix);
882                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
883                 printf(" %s\n", one);
884                 strbuf_release(&onebuf);
885         }
886 }
887
888 static void wt_shortstatus_print_tracking(struct wt_status *s)
889 {
890         struct branch *branch;
891         const char *header_color = color(WT_STATUS_HEADER, s);
892         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
893         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
894
895         const char *base;
896         const char *branch_name;
897         int num_ours, num_theirs;
898
899         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
900
901         if (!s->branch)
902                 return;
903         branch_name = s->branch;
904
905         if (!prefixcmp(branch_name, "refs/heads/"))
906                 branch_name += 11;
907         else if (!strcmp(branch_name, "HEAD")) {
908                 branch_name = _("HEAD (no branch)");
909                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
910         }
911
912         branch = branch_get(s->branch + 11);
913         if (s->is_initial)
914                 color_fprintf(s->fp, header_color, _("Initial commit on "));
915         if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
916                 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
917                 fputc(s->null_termination ? '\0' : '\n', s->fp);
918                 return;
919         }
920
921         base = branch->merge[0]->dst;
922         base = shorten_unambiguous_ref(base, 0);
923         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
924         color_fprintf(s->fp, header_color, "...");
925         color_fprintf(s->fp, branch_color_remote, "%s", base);
926
927         color_fprintf(s->fp, header_color, " [");
928         if (!num_ours) {
929                 color_fprintf(s->fp, header_color, _("behind "));
930                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
931         } else if (!num_theirs) {
932                 color_fprintf(s->fp, header_color, _("ahead "));
933                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
934         } else {
935                 color_fprintf(s->fp, header_color, _("ahead "));
936                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
937                 color_fprintf(s->fp, header_color, _(", behind "));
938                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
939         }
940
941         color_fprintf(s->fp, header_color, "]");
942         fputc(s->null_termination ? '\0' : '\n', s->fp);
943 }
944
945 void wt_shortstatus_print(struct wt_status *s)
946 {
947         int i;
948
949         if (s->show_branch)
950                 wt_shortstatus_print_tracking(s);
951
952         for (i = 0; i < s->change.nr; i++) {
953                 struct wt_status_change_data *d;
954                 struct string_list_item *it;
955
956                 it = &(s->change.items[i]);
957                 d = it->util;
958                 if (d->stagemask)
959                         wt_shortstatus_unmerged(it, s);
960                 else
961                         wt_shortstatus_status(it, s);
962         }
963         for (i = 0; i < s->untracked.nr; i++) {
964                 struct string_list_item *it;
965
966                 it = &(s->untracked.items[i]);
967                 wt_shortstatus_other(it, s, "??");
968         }
969         for (i = 0; i < s->ignored.nr; i++) {
970                 struct string_list_item *it;
971
972                 it = &(s->ignored.items[i]);
973                 wt_shortstatus_other(it, s, "!!");
974         }
975 }
976
977 void wt_porcelain_print(struct wt_status *s)
978 {
979         s->use_color = 0;
980         s->relative_paths = 0;
981         s->prefix = NULL;
982         wt_shortstatus_print(s);
983 }