Add the option "--ignore-submodules" to "git status"
[git.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 "submodule.h"
13
14 static char default_wt_status_colors[][COLOR_MAXLEN] = {
15         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
16         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
17         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
18         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
19         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
20         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
21 };
22
23 static const char *color(int slot, struct wt_status *s)
24 {
25         return s->use_color > 0 ? s->color_palette[slot] : "";
26 }
27
28 void wt_status_prepare(struct wt_status *s)
29 {
30         unsigned char sha1[20];
31         const char *head;
32
33         memset(s, 0, sizeof(*s));
34         memcpy(s->color_palette, default_wt_status_colors,
35                sizeof(default_wt_status_colors));
36         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
37         s->use_color = -1;
38         s->relative_paths = 1;
39         head = resolve_ref("HEAD", sha1, 0, NULL);
40         s->branch = head ? xstrdup(head) : NULL;
41         s->reference = "HEAD";
42         s->fp = stdout;
43         s->index_file = get_index_file();
44         s->change.strdup_strings = 1;
45         s->untracked.strdup_strings = 1;
46 }
47
48 static void wt_status_print_unmerged_header(struct wt_status *s)
49 {
50         const char *c = color(WT_STATUS_HEADER, s);
51
52         color_fprintf_ln(s->fp, c, "# Unmerged paths:");
53         if (!advice_status_hints)
54                 return;
55         if (s->in_merge)
56                 ;
57         else if (!s->is_initial)
58                 color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
59         else
60                 color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
61         color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
62         color_fprintf_ln(s->fp, c, "#");
63 }
64
65 static void wt_status_print_cached_header(struct wt_status *s)
66 {
67         const char *c = color(WT_STATUS_HEADER, s);
68
69         color_fprintf_ln(s->fp, c, "# Changes to be committed:");
70         if (!advice_status_hints)
71                 return;
72         if (s->in_merge)
73                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
74         else if (!s->is_initial)
75                 color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
76         else
77                 color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
78         color_fprintf_ln(s->fp, c, "#");
79 }
80
81 static void wt_status_print_dirty_header(struct wt_status *s,
82                                          int has_deleted,
83                                          int has_dirty_submodules)
84 {
85         const char *c = color(WT_STATUS_HEADER, s);
86
87         color_fprintf_ln(s->fp, c, "# Changed but not updated:");
88         if (!advice_status_hints)
89                 return;
90         if (!has_deleted)
91                 color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
92         else
93                 color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
94         color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
95         if (has_dirty_submodules)
96                 color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
97         color_fprintf_ln(s->fp, c, "#");
98 }
99
100 static void wt_status_print_untracked_header(struct wt_status *s)
101 {
102         const char *c = color(WT_STATUS_HEADER, s);
103         color_fprintf_ln(s->fp, c, "# Untracked files:");
104         if (!advice_status_hints)
105                 return;
106         color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
107         color_fprintf_ln(s->fp, c, "#");
108 }
109
110 static void wt_status_print_trailer(struct wt_status *s)
111 {
112         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
113 }
114
115 #define quote_path quote_path_relative
116
117 static void wt_status_print_unmerged_data(struct wt_status *s,
118                                           struct string_list_item *it)
119 {
120         const char *c = color(WT_STATUS_UNMERGED, s);
121         struct wt_status_change_data *d = it->util;
122         struct strbuf onebuf = STRBUF_INIT;
123         const char *one, *how = "bug";
124
125         one = quote_path(it->string, -1, &onebuf, s->prefix);
126         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
127         switch (d->stagemask) {
128         case 1: how = "both deleted:"; break;
129         case 2: how = "added by us:"; break;
130         case 3: how = "deleted by them:"; break;
131         case 4: how = "added by them:"; break;
132         case 5: how = "deleted by us:"; break;
133         case 6: how = "both added:"; break;
134         case 7: how = "both modified:"; break;
135         }
136         color_fprintf(s->fp, c, "%-20s%s\n", how, one);
137         strbuf_release(&onebuf);
138 }
139
140 static void wt_status_print_change_data(struct wt_status *s,
141                                         int change_type,
142                                         struct string_list_item *it)
143 {
144         struct wt_status_change_data *d = it->util;
145         const char *c = color(change_type, s);
146         int status = status;
147         char *one_name;
148         char *two_name;
149         const char *one, *two;
150         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
151         struct strbuf extra = STRBUF_INIT;
152
153         one_name = two_name = it->string;
154         switch (change_type) {
155         case WT_STATUS_UPDATED:
156                 status = d->index_status;
157                 if (d->head_path)
158                         one_name = d->head_path;
159                 break;
160         case WT_STATUS_CHANGED:
161                 if (d->new_submodule_commits || d->dirty_submodule) {
162                         strbuf_addstr(&extra, " (");
163                         if (d->new_submodule_commits)
164                                 strbuf_addf(&extra, "new commits, ");
165                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
166                                 strbuf_addf(&extra, "modified content, ");
167                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
168                                 strbuf_addf(&extra, "untracked content, ");
169                         strbuf_setlen(&extra, extra.len - 2);
170                         strbuf_addch(&extra, ')');
171                 }
172                 status = d->worktree_status;
173                 break;
174         }
175
176         one = quote_path(one_name, -1, &onebuf, s->prefix);
177         two = quote_path(two_name, -1, &twobuf, s->prefix);
178
179         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
180         switch (status) {
181         case DIFF_STATUS_ADDED:
182                 color_fprintf(s->fp, c, "new file:   %s", one);
183                 break;
184         case DIFF_STATUS_COPIED:
185                 color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
186                 break;
187         case DIFF_STATUS_DELETED:
188                 color_fprintf(s->fp, c, "deleted:    %s", one);
189                 break;
190         case DIFF_STATUS_MODIFIED:
191                 color_fprintf(s->fp, c, "modified:   %s", one);
192                 break;
193         case DIFF_STATUS_RENAMED:
194                 color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
195                 break;
196         case DIFF_STATUS_TYPE_CHANGED:
197                 color_fprintf(s->fp, c, "typechange: %s", one);
198                 break;
199         case DIFF_STATUS_UNKNOWN:
200                 color_fprintf(s->fp, c, "unknown:    %s", one);
201                 break;
202         case DIFF_STATUS_UNMERGED:
203                 color_fprintf(s->fp, c, "unmerged:   %s", one);
204                 break;
205         default:
206                 die("bug: unhandled diff status %c", status);
207         }
208         if (extra.len) {
209                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
210                 strbuf_release(&extra);
211         }
212         fprintf(s->fp, "\n");
213         strbuf_release(&onebuf);
214         strbuf_release(&twobuf);
215 }
216
217 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
218                                          struct diff_options *options,
219                                          void *data)
220 {
221         struct wt_status *s = data;
222         int i;
223
224         if (!q->nr)
225                 return;
226         s->workdir_dirty = 1;
227         for (i = 0; i < q->nr; i++) {
228                 struct diff_filepair *p;
229                 struct string_list_item *it;
230                 struct wt_status_change_data *d;
231
232                 p = q->queue[i];
233                 it = string_list_insert(p->one->path, &s->change);
234                 d = it->util;
235                 if (!d) {
236                         d = xcalloc(1, sizeof(*d));
237                         it->util = d;
238                 }
239                 if (!d->worktree_status)
240                         d->worktree_status = p->status;
241                 d->dirty_submodule = p->two->dirty_submodule;
242                 if (S_ISGITLINK(p->two->mode))
243                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
244         }
245 }
246
247 static int unmerged_mask(const char *path)
248 {
249         int pos, mask;
250         struct cache_entry *ce;
251
252         pos = cache_name_pos(path, strlen(path));
253         if (0 <= pos)
254                 return 0;
255
256         mask = 0;
257         pos = -pos-1;
258         while (pos < active_nr) {
259                 ce = active_cache[pos++];
260                 if (strcmp(ce->name, path) || !ce_stage(ce))
261                         break;
262                 mask |= (1 << (ce_stage(ce) - 1));
263         }
264         return mask;
265 }
266
267 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
268                                          struct diff_options *options,
269                                          void *data)
270 {
271         struct wt_status *s = data;
272         int i;
273
274         for (i = 0; i < q->nr; i++) {
275                 struct diff_filepair *p;
276                 struct string_list_item *it;
277                 struct wt_status_change_data *d;
278
279                 p = q->queue[i];
280                 it = string_list_insert(p->two->path, &s->change);
281                 d = it->util;
282                 if (!d) {
283                         d = xcalloc(1, sizeof(*d));
284                         it->util = d;
285                 }
286                 if (!d->index_status)
287                         d->index_status = p->status;
288                 switch (p->status) {
289                 case DIFF_STATUS_COPIED:
290                 case DIFF_STATUS_RENAMED:
291                         d->head_path = xstrdup(p->one->path);
292                         break;
293                 case DIFF_STATUS_UNMERGED:
294                         d->stagemask = unmerged_mask(p->two->path);
295                         break;
296                 }
297         }
298 }
299
300 static void wt_status_collect_changes_worktree(struct wt_status *s)
301 {
302         struct rev_info rev;
303
304         init_revisions(&rev, NULL);
305         setup_revisions(0, NULL, &rev, NULL);
306         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
307         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
308         if (!s->show_untracked_files)
309                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
310         if (s->ignore_submodule_arg)
311                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
312         rev.diffopt.format_callback = wt_status_collect_changed_cb;
313         rev.diffopt.format_callback_data = s;
314         rev.prune_data = s->pathspec;
315         run_diff_files(&rev, 0);
316 }
317
318 static void wt_status_collect_changes_index(struct wt_status *s)
319 {
320         struct rev_info rev;
321         struct setup_revision_opt opt;
322
323         init_revisions(&rev, NULL);
324         memset(&opt, 0, sizeof(opt));
325         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
326         setup_revisions(0, NULL, &rev, &opt);
327
328         if (s->ignore_submodule_arg)
329                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
330
331         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
332         rev.diffopt.format_callback = wt_status_collect_updated_cb;
333         rev.diffopt.format_callback_data = s;
334         rev.diffopt.detect_rename = 1;
335         rev.diffopt.rename_limit = 200;
336         rev.diffopt.break_opt = 0;
337         rev.prune_data = s->pathspec;
338         run_diff_index(&rev, 1);
339 }
340
341 static void wt_status_collect_changes_initial(struct wt_status *s)
342 {
343         int i;
344
345         for (i = 0; i < active_nr; i++) {
346                 struct string_list_item *it;
347                 struct wt_status_change_data *d;
348                 struct cache_entry *ce = active_cache[i];
349
350                 if (!ce_path_match(ce, s->pathspec))
351                         continue;
352                 it = string_list_insert(ce->name, &s->change);
353                 d = it->util;
354                 if (!d) {
355                         d = xcalloc(1, sizeof(*d));
356                         it->util = d;
357                 }
358                 if (ce_stage(ce)) {
359                         d->index_status = DIFF_STATUS_UNMERGED;
360                         d->stagemask |= (1 << (ce_stage(ce) - 1));
361                 }
362                 else
363                         d->index_status = DIFF_STATUS_ADDED;
364         }
365 }
366
367 static void wt_status_collect_untracked(struct wt_status *s)
368 {
369         int i;
370         struct dir_struct dir;
371
372         if (!s->show_untracked_files)
373                 return;
374         memset(&dir, 0, sizeof(dir));
375         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
376                 dir.flags |=
377                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
378         setup_standard_excludes(&dir);
379
380         fill_directory(&dir, s->pathspec);
381         for (i = 0; i < dir.nr; i++) {
382                 struct dir_entry *ent = dir.entries[i];
383                 if (!cache_name_is_other(ent->name, ent->len))
384                         continue;
385                 if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
386                         continue;
387                 s->workdir_untracked = 1;
388                 string_list_insert(ent->name, &s->untracked);
389         }
390 }
391
392 void wt_status_collect(struct wt_status *s)
393 {
394         wt_status_collect_changes_worktree(s);
395
396         if (s->is_initial)
397                 wt_status_collect_changes_initial(s);
398         else
399                 wt_status_collect_changes_index(s);
400         wt_status_collect_untracked(s);
401 }
402
403 static void wt_status_print_unmerged(struct wt_status *s)
404 {
405         int shown_header = 0;
406         int i;
407
408         for (i = 0; i < s->change.nr; i++) {
409                 struct wt_status_change_data *d;
410                 struct string_list_item *it;
411                 it = &(s->change.items[i]);
412                 d = it->util;
413                 if (!d->stagemask)
414                         continue;
415                 if (!shown_header) {
416                         wt_status_print_unmerged_header(s);
417                         shown_header = 1;
418                 }
419                 wt_status_print_unmerged_data(s, it);
420         }
421         if (shown_header)
422                 wt_status_print_trailer(s);
423
424 }
425
426 static void wt_status_print_updated(struct wt_status *s)
427 {
428         int shown_header = 0;
429         int i;
430
431         for (i = 0; i < s->change.nr; i++) {
432                 struct wt_status_change_data *d;
433                 struct string_list_item *it;
434                 it = &(s->change.items[i]);
435                 d = it->util;
436                 if (!d->index_status ||
437                     d->index_status == DIFF_STATUS_UNMERGED)
438                         continue;
439                 if (!shown_header) {
440                         wt_status_print_cached_header(s);
441                         s->commitable = 1;
442                         shown_header = 1;
443                 }
444                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
445         }
446         if (shown_header)
447                 wt_status_print_trailer(s);
448 }
449
450 /*
451  * -1 : has delete
452  *  0 : no change
453  *  1 : some change but no delete
454  */
455 static int wt_status_check_worktree_changes(struct wt_status *s,
456                                              int *dirty_submodules)
457 {
458         int i;
459         int changes = 0;
460
461         *dirty_submodules = 0;
462
463         for (i = 0; i < s->change.nr; i++) {
464                 struct wt_status_change_data *d;
465                 d = s->change.items[i].util;
466                 if (!d->worktree_status ||
467                     d->worktree_status == DIFF_STATUS_UNMERGED)
468                         continue;
469                 if (!changes)
470                         changes = 1;
471                 if (d->dirty_submodule)
472                         *dirty_submodules = 1;
473                 if (d->worktree_status == DIFF_STATUS_DELETED)
474                         changes = -1;
475         }
476         return changes;
477 }
478
479 static void wt_status_print_changed(struct wt_status *s)
480 {
481         int i, dirty_submodules;
482         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
483
484         if (!worktree_changes)
485                 return;
486
487         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
488
489         for (i = 0; i < s->change.nr; i++) {
490                 struct wt_status_change_data *d;
491                 struct string_list_item *it;
492                 it = &(s->change.items[i]);
493                 d = it->util;
494                 if (!d->worktree_status ||
495                     d->worktree_status == DIFF_STATUS_UNMERGED)
496                         continue;
497                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
498         }
499         wt_status_print_trailer(s);
500 }
501
502 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
503 {
504         struct child_process sm_summary;
505         char summary_limit[64];
506         char index[PATH_MAX];
507         const char *env[] = { index, NULL };
508         const char *argv[] = {
509                 "submodule",
510                 "summary",
511                 uncommitted ? "--files" : "--cached",
512                 "--for-status",
513                 "--summary-limit",
514                 summary_limit,
515                 uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD"),
516                 NULL
517         };
518
519         sprintf(summary_limit, "%d", s->submodule_summary);
520         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
521
522         memset(&sm_summary, 0, sizeof(sm_summary));
523         sm_summary.argv = argv;
524         sm_summary.env = env;
525         sm_summary.git_cmd = 1;
526         sm_summary.no_stdin = 1;
527         fflush(s->fp);
528         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
529         run_command(&sm_summary);
530 }
531
532 static void wt_status_print_untracked(struct wt_status *s)
533 {
534         int i;
535         struct strbuf buf = STRBUF_INIT;
536
537         if (!s->untracked.nr)
538                 return;
539
540         wt_status_print_untracked_header(s);
541         for (i = 0; i < s->untracked.nr; i++) {
542                 struct string_list_item *it;
543                 it = &(s->untracked.items[i]);
544                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
545                 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
546                                  quote_path(it->string, strlen(it->string),
547                                             &buf, s->prefix));
548         }
549         strbuf_release(&buf);
550 }
551
552 static void wt_status_print_verbose(struct wt_status *s)
553 {
554         struct rev_info rev;
555         struct setup_revision_opt opt;
556
557         init_revisions(&rev, NULL);
558         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
559
560         memset(&opt, 0, sizeof(opt));
561         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
562         setup_revisions(0, NULL, &rev, &opt);
563
564         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
565         rev.diffopt.detect_rename = 1;
566         rev.diffopt.file = s->fp;
567         rev.diffopt.close_file = 0;
568         /*
569          * If we're not going to stdout, then we definitely don't
570          * want color, since we are going to the commit message
571          * file (and even the "auto" setting won't work, since it
572          * will have checked isatty on stdout).
573          */
574         if (s->fp != stdout)
575                 DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
576         run_diff_index(&rev, 1);
577 }
578
579 static void wt_status_print_tracking(struct wt_status *s)
580 {
581         struct strbuf sb = STRBUF_INIT;
582         const char *cp, *ep;
583         struct branch *branch;
584
585         assert(s->branch && !s->is_initial);
586         if (prefixcmp(s->branch, "refs/heads/"))
587                 return;
588         branch = branch_get(s->branch + 11);
589         if (!format_tracking_info(branch, &sb))
590                 return;
591
592         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
593                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
594                                  "# %.*s", (int)(ep - cp), cp);
595         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
596 }
597
598 void wt_status_print(struct wt_status *s)
599 {
600         const char *branch_color = color(WT_STATUS_HEADER, s);
601
602         if (s->branch) {
603                 const char *on_what = "On branch ";
604                 const char *branch_name = s->branch;
605                 if (!prefixcmp(branch_name, "refs/heads/"))
606                         branch_name += 11;
607                 else if (!strcmp(branch_name, "HEAD")) {
608                         branch_name = "";
609                         branch_color = color(WT_STATUS_NOBRANCH, s);
610                         on_what = "Not currently on any branch.";
611                 }
612                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
613                 color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
614                 if (!s->is_initial)
615                         wt_status_print_tracking(s);
616         }
617
618         if (s->is_initial) {
619                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
620                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
621                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
622         }
623
624         wt_status_print_updated(s);
625         wt_status_print_unmerged(s);
626         wt_status_print_changed(s);
627         if (s->submodule_summary &&
628             (!s->ignore_submodule_arg ||
629              strcmp(s->ignore_submodule_arg, "all"))) {
630                 wt_status_print_submodule_summary(s, 0);  /* staged */
631                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
632         }
633         if (s->show_untracked_files)
634                 wt_status_print_untracked(s);
635         else if (s->commitable)
636                  fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
637
638         if (s->verbose)
639                 wt_status_print_verbose(s);
640         if (!s->commitable) {
641                 if (s->amend)
642                         fprintf(s->fp, "# No changes\n");
643                 else if (s->nowarn)
644                         ; /* nothing */
645                 else if (s->workdir_dirty)
646                         printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
647                 else if (s->untracked.nr)
648                         printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
649                 else if (s->is_initial)
650                         printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
651                 else if (!s->show_untracked_files)
652                         printf("nothing to commit (use -u to show untracked files)\n");
653                 else
654                         printf("nothing to commit (working directory clean)\n");
655         }
656 }
657
658 static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
659                            struct wt_status *s)
660 {
661         struct wt_status_change_data *d = it->util;
662         const char *how = "??";
663
664         switch (d->stagemask) {
665         case 1: how = "DD"; break; /* both deleted */
666         case 2: how = "AU"; break; /* added by us */
667         case 3: how = "UD"; break; /* deleted by them */
668         case 4: how = "UA"; break; /* added by them */
669         case 5: how = "DU"; break; /* deleted by us */
670         case 6: how = "AA"; break; /* both added */
671         case 7: how = "UU"; break; /* both modified */
672         }
673         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
674         if (null_termination) {
675                 fprintf(stdout, " %s%c", it->string, 0);
676         } else {
677                 struct strbuf onebuf = STRBUF_INIT;
678                 const char *one;
679                 one = quote_path(it->string, -1, &onebuf, s->prefix);
680                 printf(" %s\n", one);
681                 strbuf_release(&onebuf);
682         }
683 }
684
685 static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
686                          struct wt_status *s)
687 {
688         struct wt_status_change_data *d = it->util;
689
690         if (d->index_status)
691                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
692         else
693                 putchar(' ');
694         if (d->worktree_status)
695                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
696         else
697                 putchar(' ');
698         putchar(' ');
699         if (null_termination) {
700                 fprintf(stdout, "%s%c", it->string, 0);
701                 if (d->head_path)
702                         fprintf(stdout, "%s%c", d->head_path, 0);
703         } else {
704                 struct strbuf onebuf = STRBUF_INIT;
705                 const char *one;
706                 if (d->head_path) {
707                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
708                         printf("%s -> ", one);
709                         strbuf_release(&onebuf);
710                 }
711                 one = quote_path(it->string, -1, &onebuf, s->prefix);
712                 printf("%s\n", one);
713                 strbuf_release(&onebuf);
714         }
715 }
716
717 static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
718                             struct wt_status *s)
719 {
720         if (null_termination) {
721                 fprintf(stdout, "?? %s%c", it->string, 0);
722         } else {
723                 struct strbuf onebuf = STRBUF_INIT;
724                 const char *one;
725                 one = quote_path(it->string, -1, &onebuf, s->prefix);
726                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
727                 printf(" %s\n", one);
728                 strbuf_release(&onebuf);
729         }
730 }
731
732 void wt_shortstatus_print(struct wt_status *s, int null_termination)
733 {
734         int i;
735         for (i = 0; i < s->change.nr; i++) {
736                 struct wt_status_change_data *d;
737                 struct string_list_item *it;
738
739                 it = &(s->change.items[i]);
740                 d = it->util;
741                 if (d->stagemask)
742                         wt_shortstatus_unmerged(null_termination, it, s);
743                 else
744                         wt_shortstatus_status(null_termination, it, s);
745         }
746         for (i = 0; i < s->untracked.nr; i++) {
747                 struct string_list_item *it;
748
749                 it = &(s->untracked.items[i]);
750                 wt_shortstatus_untracked(null_termination, it, s);
751         }
752 }
753
754 void wt_porcelain_print(struct wt_status *s, int null_termination)
755 {
756         s->use_color = 0;
757         s->relative_paths = 0;
758         s->prefix = NULL;
759         wt_shortstatus_print(s, null_termination);
760 }