git.oblomov.eu Git - git/blob - 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 #include "strbuf.h"
  16
  17 static char default_wt_status_colors[][COLOR_MAXLEN] = {
  18         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  19         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  20         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  21         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  22         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  23         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  24         GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  25         GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  26         GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  27 };
  28
  29 static const char *color(int slot, struct wt_status *s)
  30 {
  31         const char *c = "";
  32         if (want_color(s->use_color))
  33                 c = s->color_palette[slot];
  34         if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  35                 c = s->color_palette[WT_STATUS_HEADER];
  36         return c;
  37 }
  38
  39 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  40                 const char *fmt, va_list ap, const char *trail)
  41 {
  42         struct strbuf sb = STRBUF_INIT;
  43         struct strbuf linebuf = STRBUF_INIT;
  44         const char *line, *eol;
  45
  46         strbuf_vaddf(&sb, fmt, ap);
  47         if (!sb.len) {
  48                 strbuf_addch(&sb, comment_line_char);
  49                 if (!trail)
  50                         strbuf_addch(&sb, ' ');
  51                 color_print_strbuf(s->fp, color, &sb);
  52                 if (trail)
  53                         fprintf(s->fp, "%s", trail);
  54                 strbuf_release(&sb);
  55                 return;
  56         }
  57         for (line = sb.buf; *line; line = eol + 1) {
  58                 eol = strchr(line, '\n');
  59
  60                 strbuf_reset(&linebuf);
  61                 if (at_bol) {
  62                         strbuf_addch(&linebuf, comment_line_char);
  63                         if (*line != '\n' && *line != '\t')
  64                                 strbuf_addch(&linebuf, ' ');
  65                 }
  66                 if (eol)
  67                         strbuf_add(&linebuf, line, eol - line);
  68                 else
  69                         strbuf_addstr(&linebuf, line);
  70                 color_print_strbuf(s->fp, color, &linebuf);
  71                 if (eol)
  72                         fprintf(s->fp, "\n");
  73                 else
  74                         break;
  75                 at_bol = 1;
  76         }
  77         if (trail)
  78                 fprintf(s->fp, "%s", trail);
  79         strbuf_release(&linebuf);
  80         strbuf_release(&sb);
  81 }
  82
  83 void status_printf_ln(struct wt_status *s, const char *color,
  84                         const char *fmt, ...)
  85 {
  86         va_list ap;
  87
  88         va_start(ap, fmt);
  89         status_vprintf(s, 1, color, fmt, ap, "\n");
  90         va_end(ap);
  91 }
  92
  93 void status_printf(struct wt_status *s, const char *color,
  94                         const char *fmt, ...)
  95 {
  96         va_list ap;
  97
  98         va_start(ap, fmt);
  99         status_vprintf(s, 1, color, fmt, ap, NULL);
 100         va_end(ap);
 101 }
 102
 103 static void status_printf_more(struct wt_status *s, const char *color,
 104                                const char *fmt, ...)
 105 {
 106         va_list ap;
 107
 108         va_start(ap, fmt);
 109         status_vprintf(s, 0, color, fmt, ap, NULL);
 110         va_end(ap);
 111 }
 112
 113 void wt_status_prepare(struct wt_status *s)
 114 {
 115         unsigned char sha1[20];
 116
 117         memset(s, 0, sizeof(*s));
 118         memcpy(s->color_palette, default_wt_status_colors,
 119                sizeof(default_wt_status_colors));
 120         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 121         s->use_color = -1;
 122         s->relative_paths = 1;
 123         s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 124         s->reference = "HEAD";
 125         s->fp = stdout;
 126         s->index_file = get_index_file();
 127         s->change.strdup_strings = 1;
 128         s->untracked.strdup_strings = 1;
 129         s->ignored.strdup_strings = 1;
 130 }
 131
 132 static void wt_status_print_unmerged_header(struct wt_status *s)
 133 {
 134         int i;
 135         int del_mod_conflict = 0;
 136         int both_deleted = 0;
 137         int not_deleted = 0;
 138         const char *c = color(WT_STATUS_HEADER, s);
 139
 140         status_printf_ln(s, c, _("Unmerged paths:"));
 141
 142         for (i = 0; i < s->change.nr; i++) {
 143                 struct string_list_item *it = &(s->change.items[i]);
 144                 struct wt_status_change_data *d = it->util;
 145
 146                 switch (d->stagemask) {
 147                 case 0:
 148                         break;
 149                 case 1:
 150                         both_deleted = 1;
 151                         break;
 152                 case 3:
 153                 case 5:
 154                         del_mod_conflict = 1;
 155                         break;
 156                 default:
 157                         not_deleted = 1;
 158                         break;
 159                 }
 160         }
 161
 162         if (!advice_status_hints)
 163                 return;
 164         if (s->whence != FROM_COMMIT)
 165                 ;
 166         else if (!s->is_initial)
 167                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 168         else
 169                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 170
 171         if (!both_deleted) {
 172                 if (!del_mod_conflict)
 173                         status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 174                 else
 175                         status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 176         } else if (!del_mod_conflict && !not_deleted) {
 177                 status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 178         } else {
 179                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 180         }
 181         status_printf_ln(s, c, "");
 182 }
 183
 184 static void wt_status_print_cached_header(struct wt_status *s)
 185 {
 186         const char *c = color(WT_STATUS_HEADER, s);
 187
 188         status_printf_ln(s, c, _("Changes to be committed:"));
 189         if (!advice_status_hints)
 190                 return;
 191         if (s->whence != FROM_COMMIT)
 192                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
 193         else if (!s->is_initial)
 194                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 195         else
 196                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 197         status_printf_ln(s, c, "");
 198 }
 199
 200 static void wt_status_print_dirty_header(struct wt_status *s,
 201                                          int has_deleted,
 202                                          int has_dirty_submodules)
 203 {
 204         const char *c = color(WT_STATUS_HEADER, s);
 205
 206         status_printf_ln(s, c, _("Changes not staged for commit:"));
 207         if (!advice_status_hints)
 208                 return;
 209         if (!has_deleted)
 210                 status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 211         else
 212                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 213         status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 214         if (has_dirty_submodules)
 215                 status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 216         status_printf_ln(s, c, "");
 217 }
 218
 219 static void wt_status_print_other_header(struct wt_status *s,
 220                                          const char *what,
 221                                          const char *how)
 222 {
 223         const char *c = color(WT_STATUS_HEADER, s);
 224         status_printf_ln(s, c, "%s:", what);
 225         if (!advice_status_hints)
 226                 return;
 227         status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 228         status_printf_ln(s, c, "");
 229 }
 230
 231 static void wt_status_print_trailer(struct wt_status *s)
 232 {
 233         status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 234 }
 235
 236 #define quote_path quote_path_relative
 237
 238 static void wt_status_print_unmerged_data(struct wt_status *s,
 239                                           struct string_list_item *it)
 240 {
 241         const char *c = color(WT_STATUS_UNMERGED, s);
 242         struct wt_status_change_data *d = it->util;
 243         struct strbuf onebuf = STRBUF_INIT;
 244         const char *one, *how = _("bug");
 245
 246         one = quote_path(it->string, -1, &onebuf, s->prefix);
 247         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 248         switch (d->stagemask) {
 249         case 1: how = _("both deleted:"); break;
 250         case 2: how = _("added by us:"); break;
 251         case 3: how = _("deleted by them:"); break;
 252         case 4: how = _("added by them:"); break;
 253         case 5: how = _("deleted by us:"); break;
 254         case 6: how = _("both added:"); break;
 255         case 7: how = _("both modified:"); break;
 256         }
 257         status_printf_more(s, c, "%-20s%s\n", how, one);
 258         strbuf_release(&onebuf);
 259 }
 260
 261 static void wt_status_print_change_data(struct wt_status *s,
 262                                         int change_type,
 263                                         struct string_list_item *it)
 264 {
 265         struct wt_status_change_data *d = it->util;
 266         const char *c = color(change_type, s);
 267         int status;
 268         char *one_name;
 269         char *two_name;
 270         const char *one, *two;
 271         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 272         struct strbuf extra = STRBUF_INIT;
 273
 274         one_name = two_name = it->string;
 275         switch (change_type) {
 276         case WT_STATUS_UPDATED:
 277                 status = d->index_status;
 278                 if (d->head_path)
 279                         one_name = d->head_path;
 280                 break;
 281         case WT_STATUS_CHANGED:
 282                 if (d->new_submodule_commits || d->dirty_submodule) {
 283                         strbuf_addstr(&extra, " (");
 284                         if (d->new_submodule_commits)
 285                                 strbuf_addf(&extra, _("new commits, "));
 286                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 287                                 strbuf_addf(&extra, _("modified content, "));
 288                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 289                                 strbuf_addf(&extra, _("untracked content, "));
 290                         strbuf_setlen(&extra, extra.len - 2);
 291                         strbuf_addch(&extra, ')');
 292                 }
 293                 status = d->worktree_status;
 294                 break;
 295         default:
 296                 die("BUG: unhandled change_type %d in wt_status_print_change_data",
 297                     change_type);
 298         }
 299
 300         one = quote_path(one_name, -1, &onebuf, s->prefix);
 301         two = quote_path(two_name, -1, &twobuf, s->prefix);
 302
 303         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 304         switch (status) {
 305         case DIFF_STATUS_ADDED:
 306                 status_printf_more(s, c, _("new file:   %s"), one);
 307                 break;
 308         case DIFF_STATUS_COPIED:
 309                 status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 310                 break;
 311         case DIFF_STATUS_DELETED:
 312                 status_printf_more(s, c, _("deleted:    %s"), one);
 313                 break;
 314         case DIFF_STATUS_MODIFIED:
 315                 status_printf_more(s, c, _("modified:   %s"), one);
 316                 break;
 317         case DIFF_STATUS_RENAMED:
 318                 status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 319                 break;
 320         case DIFF_STATUS_TYPE_CHANGED:
 321                 status_printf_more(s, c, _("typechange: %s"), one);
 322                 break;
 323         case DIFF_STATUS_UNKNOWN:
 324                 status_printf_more(s, c, _("unknown:    %s"), one);
 325                 break;
 326         case DIFF_STATUS_UNMERGED:
 327                 status_printf_more(s, c, _("unmerged:   %s"), one);
 328                 break;
 329         default:
 330                 die(_("bug: unhandled diff status %c"), status);
 331         }
 332         if (extra.len) {
 333                 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 334                 strbuf_release(&extra);
 335         }
 336         status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 337         strbuf_release(&onebuf);
 338         strbuf_release(&twobuf);
 339 }
 340
 341 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 342                                          struct diff_options *options,
 343                                          void *data)
 344 {
 345         struct wt_status *s = data;
 346         int i;
 347
 348         if (!q->nr)
 349                 return;
 350         s->workdir_dirty = 1;
 351         for (i = 0; i < q->nr; i++) {
 352                 struct diff_filepair *p;
 353                 struct string_list_item *it;
 354                 struct wt_status_change_data *d;
 355
 356                 p = q->queue[i];
 357                 it = string_list_insert(&s->change, p->one->path);
 358                 d = it->util;
 359                 if (!d) {
 360                         d = xcalloc(1, sizeof(*d));
 361                         it->util = d;
 362                 }
 363                 if (!d->worktree_status)
 364                         d->worktree_status = p->status;
 365                 d->dirty_submodule = p->two->dirty_submodule;
 366                 if (S_ISGITLINK(p->two->mode))
 367                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 368         }
 369 }
 370
 371 static int unmerged_mask(const char *path)
 372 {
 373         int pos, mask;
 374         struct cache_entry *ce;
 375
 376         pos = cache_name_pos(path, strlen(path));
 377         if (0 <= pos)
 378                 return 0;
 379
 380         mask = 0;
 381         pos = -pos-1;
 382         while (pos < active_nr) {
 383                 ce = active_cache[pos++];
 384                 if (strcmp(ce->name, path) || !ce_stage(ce))
 385                         break;
 386                 mask |= (1 << (ce_stage(ce) - 1));
 387         }
 388         return mask;
 389 }
 390
 391 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 392                                          struct diff_options *options,
 393                                          void *data)
 394 {
 395         struct wt_status *s = data;
 396         int i;
 397
 398         for (i = 0; i < q->nr; i++) {
 399                 struct diff_filepair *p;
 400                 struct string_list_item *it;
 401                 struct wt_status_change_data *d;
 402
 403                 p = q->queue[i];
 404                 it = string_list_insert(&s->change, p->two->path);
 405                 d = it->util;
 406                 if (!d) {
 407                         d = xcalloc(1, sizeof(*d));
 408                         it->util = d;
 409                 }
 410                 if (!d->index_status)
 411                         d->index_status = p->status;
 412                 switch (p->status) {
 413                 case DIFF_STATUS_COPIED:
 414                 case DIFF_STATUS_RENAMED:
 415                         d->head_path = xstrdup(p->one->path);
 416                         break;
 417                 case DIFF_STATUS_UNMERGED:
 418                         d->stagemask = unmerged_mask(p->two->path);
 419                         break;
 420                 }
 421         }
 422 }
 423
 424 static void wt_status_collect_changes_worktree(struct wt_status *s)
 425 {
 426         struct rev_info rev;
 427
 428         init_revisions(&rev, NULL);
 429         setup_revisions(0, NULL, &rev, NULL);
 430         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 431         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 432         if (!s->show_untracked_files)
 433                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 434         if (s->ignore_submodule_arg) {
 435                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 436                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 437         }
 438         rev.diffopt.format_callback = wt_status_collect_changed_cb;
 439         rev.diffopt.format_callback_data = s;
 440         init_pathspec(&rev.prune_data, s->pathspec);
 441         run_diff_files(&rev, 0);
 442 }
 443
 444 static void wt_status_collect_changes_index(struct wt_status *s)
 445 {
 446         struct rev_info rev;
 447         struct setup_revision_opt opt;
 448
 449         init_revisions(&rev, NULL);
 450         memset(&opt, 0, sizeof(opt));
 451         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 452         setup_revisions(0, NULL, &rev, &opt);
 453
 454         if (s->ignore_submodule_arg) {
 455                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 456                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 457         }
 458
 459         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 460         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 461         rev.diffopt.format_callback_data = s;
 462         rev.diffopt.detect_rename = 1;
 463         rev.diffopt.rename_limit = 200;
 464         rev.diffopt.break_opt = 0;
 465         init_pathspec(&rev.prune_data, s->pathspec);
 466         run_diff_index(&rev, 1);
 467 }
 468
 469 static void wt_status_collect_changes_initial(struct wt_status *s)
 470 {
 471         struct pathspec pathspec;
 472         int i;
 473
 474         init_pathspec(&pathspec, s->pathspec);
 475         for (i = 0; i < active_nr; i++) {
 476                 struct string_list_item *it;
 477                 struct wt_status_change_data *d;
 478                 struct cache_entry *ce = active_cache[i];
 479
 480                 if (!ce_path_match(ce, &pathspec))
 481                         continue;
 482                 it = string_list_insert(&s->change, ce->name);
 483                 d = it->util;
 484                 if (!d) {
 485                         d = xcalloc(1, sizeof(*d));
 486                         it->util = d;
 487                 }
 488                 if (ce_stage(ce)) {
 489                         d->index_status = DIFF_STATUS_UNMERGED;
 490                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 491                 }
 492                 else
 493                         d->index_status = DIFF_STATUS_ADDED;
 494         }
 495         free_pathspec(&pathspec);
 496 }
 497
 498 static void wt_status_collect_untracked(struct wt_status *s)
 499 {
 500         int i;
 501         struct dir_struct dir;
 502
 503         if (!s->show_untracked_files)
 504                 return;
 505         memset(&dir, 0, sizeof(dir));
 506         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 507                 dir.flags |=
 508                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 509         setup_standard_excludes(&dir);
 510
 511         fill_directory(&dir, s->pathspec);
 512         for (i = 0; i < dir.nr; i++) {
 513                 struct dir_entry *ent = dir.entries[i];
 514                 if (cache_name_is_other(ent->name, ent->len) &&
 515                     match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 516                         string_list_insert(&s->untracked, ent->name);
 517                 free(ent);
 518         }
 519
 520         if (s->show_ignored_files) {
 521                 dir.nr = 0;
 522                 dir.flags = DIR_SHOW_IGNORED;
 523                 if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 524                         dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
 525                 fill_directory(&dir, s->pathspec);
 526                 for (i = 0; i < dir.nr; i++) {
 527                         struct dir_entry *ent = dir.entries[i];
 528                         if (cache_name_is_other(ent->name, ent->len) &&
 529                             match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 530                                 string_list_insert(&s->ignored, ent->name);
 531                         free(ent);
 532                 }
 533         }
 534
 535         free(dir.entries);
 536 }
 537
 538 void wt_status_collect(struct wt_status *s)
 539 {
 540         wt_status_collect_changes_worktree(s);
 541
 542         if (s->is_initial)
 543                 wt_status_collect_changes_initial(s);
 544         else
 545                 wt_status_collect_changes_index(s);
 546         wt_status_collect_untracked(s);
 547 }
 548
 549 static void wt_status_print_unmerged(struct wt_status *s)
 550 {
 551         int shown_header = 0;
 552         int i;
 553
 554         for (i = 0; i < s->change.nr; i++) {
 555                 struct wt_status_change_data *d;
 556                 struct string_list_item *it;
 557                 it = &(s->change.items[i]);
 558                 d = it->util;
 559                 if (!d->stagemask)
 560                         continue;
 561                 if (!shown_header) {
 562                         wt_status_print_unmerged_header(s);
 563                         shown_header = 1;
 564                 }
 565                 wt_status_print_unmerged_data(s, it);
 566         }
 567         if (shown_header)
 568                 wt_status_print_trailer(s);
 569
 570 }
 571
 572 static void wt_status_print_updated(struct wt_status *s)
 573 {
 574         int shown_header = 0;
 575         int i;
 576
 577         for (i = 0; i < s->change.nr; i++) {
 578                 struct wt_status_change_data *d;
 579                 struct string_list_item *it;
 580                 it = &(s->change.items[i]);
 581                 d = it->util;
 582                 if (!d->index_status ||
 583                     d->index_status == DIFF_STATUS_UNMERGED)
 584                         continue;
 585                 if (!shown_header) {
 586                         wt_status_print_cached_header(s);
 587                         s->commitable = 1;
 588                         shown_header = 1;
 589                 }
 590                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 591         }
 592         if (shown_header)
 593                 wt_status_print_trailer(s);
 594 }
 595
 596 /*
 597  * -1 : has delete
 598  *  0 : no change
 599  *  1 : some change but no delete
 600  */
 601 static int wt_status_check_worktree_changes(struct wt_status *s,
 602                                              int *dirty_submodules)
 603 {
 604         int i;
 605         int changes = 0;
 606
 607         *dirty_submodules = 0;
 608
 609         for (i = 0; i < s->change.nr; i++) {
 610                 struct wt_status_change_data *d;
 611                 d = s->change.items[i].util;
 612                 if (!d->worktree_status ||
 613                     d->worktree_status == DIFF_STATUS_UNMERGED)
 614                         continue;
 615                 if (!changes)
 616                         changes = 1;
 617                 if (d->dirty_submodule)
 618                         *dirty_submodules = 1;
 619                 if (d->worktree_status == DIFF_STATUS_DELETED)
 620                         changes = -1;
 621         }
 622         return changes;
 623 }
 624
 625 static void wt_status_print_changed(struct wt_status *s)
 626 {
 627         int i, dirty_submodules;
 628         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 629
 630         if (!worktree_changes)
 631                 return;
 632
 633         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 634
 635         for (i = 0; i < s->change.nr; i++) {
 636                 struct wt_status_change_data *d;
 637                 struct string_list_item *it;
 638                 it = &(s->change.items[i]);
 639                 d = it->util;
 640                 if (!d->worktree_status ||
 641                     d->worktree_status == DIFF_STATUS_UNMERGED)
 642                         continue;
 643                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 644         }
 645         wt_status_print_trailer(s);
 646 }
 647
 648 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 649 {
 650         struct child_process sm_summary;
 651         char summary_limit[64];
 652         char index[PATH_MAX];
 653         const char *env[] = { NULL, NULL };
 654         const char *argv[8];
 655
 656         env[0] =        index;
 657         argv[0] =       "submodule";
 658         argv[1] =       "summary";
 659         argv[2] =       uncommitted ? "--files" : "--cached";
 660         argv[3] =       "--for-status";
 661         argv[4] =       "--summary-limit";
 662         argv[5] =       summary_limit;
 663         argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 664         argv[7] =       NULL;
 665
 666         sprintf(summary_limit, "%d", s->submodule_summary);
 667         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 668
 669         memset(&sm_summary, 0, sizeof(sm_summary));
 670         sm_summary.argv = argv;
 671         sm_summary.env = env;
 672         sm_summary.git_cmd = 1;
 673         sm_summary.no_stdin = 1;
 674         fflush(s->fp);
 675         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 676         run_command(&sm_summary);
 677 }
 678
 679 static void wt_status_print_other(struct wt_status *s,
 680                                   struct string_list *l,
 681                                   const char *what,
 682                                   const char *how)
 683 {
 684         int i;
 685         struct strbuf buf = STRBUF_INIT;
 686         static struct string_list output = STRING_LIST_INIT_DUP;
 687         struct column_options copts;
 688
 689         if (!l->nr)
 690                 return;
 691
 692         wt_status_print_other_header(s, what, how);
 693
 694         for (i = 0; i < l->nr; i++) {
 695                 struct string_list_item *it;
 696                 const char *path;
 697                 it = &(l->items[i]);
 698                 path = quote_path(it->string, strlen(it->string),
 699                                   &buf, s->prefix);
 700                 if (column_active(s->colopts)) {
 701                         string_list_append(&output, path);
 702                         continue;
 703                 }
 704                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 705                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 706                                    "%s\n", path);
 707         }
 708
 709         strbuf_release(&buf);
 710         if (!column_active(s->colopts))
 711                 return;
 712
 713         strbuf_addf(&buf, "%s#\t%s",
 714                     color(WT_STATUS_HEADER, s),
 715                     color(WT_STATUS_UNTRACKED, s));
 716         memset(&copts, 0, sizeof(copts));
 717         copts.padding = 1;
 718         copts.indent = buf.buf;
 719         if (want_color(s->use_color))
 720                 copts.nl = GIT_COLOR_RESET "\n";
 721         print_columns(&output, s->colopts, &copts);
 722         string_list_clear(&output, 0);
 723         strbuf_release(&buf);
 724 }
 725
 726 static void wt_status_print_verbose(struct wt_status *s)
 727 {
 728         struct rev_info rev;
 729         struct setup_revision_opt opt;
 730
 731         init_revisions(&rev, NULL);
 732         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 733
 734         memset(&opt, 0, sizeof(opt));
 735         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 736         setup_revisions(0, NULL, &rev, &opt);
 737
 738         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 739         rev.diffopt.detect_rename = 1;
 740         rev.diffopt.file = s->fp;
 741         rev.diffopt.close_file = 0;
 742         /*
 743          * If we're not going to stdout, then we definitely don't
 744          * want color, since we are going to the commit message
 745          * file (and even the "auto" setting won't work, since it
 746          * will have checked isatty on stdout).
 747          */
 748         if (s->fp != stdout)
 749                 rev.diffopt.use_color = 0;
 750         run_diff_index(&rev, 1);
 751 }
 752
 753 static void wt_status_print_tracking(struct wt_status *s)
 754 {
 755         struct strbuf sb = STRBUF_INIT;
 756         const char *cp, *ep;
 757         struct branch *branch;
 758
 759         assert(s->branch && !s->is_initial);
 760         if (prefixcmp(s->branch, "refs/heads/"))
 761                 return;
 762         branch = branch_get(s->branch + 11);
 763         if (!format_tracking_info(branch, &sb))
 764                 return;
 765
 766         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 767                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 768                                  "%c %.*s", comment_line_char,
 769                                  (int)(ep - cp), cp);
 770         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 771                          comment_line_char);
 772 }
 773
 774 static int has_unmerged(struct wt_status *s)
 775 {
 776         int i;
 777
 778         for (i = 0; i < s->change.nr; i++) {
 779                 struct wt_status_change_data *d;
 780                 d = s->change.items[i].util;
 781                 if (d->stagemask)
 782                         return 1;
 783         }
 784         return 0;
 785 }
 786
 787 static void show_merge_in_progress(struct wt_status *s,
 788                                 struct wt_status_state *state,
 789                                 const char *color)
 790 {
 791         if (has_unmerged(s)) {
 792                 status_printf_ln(s, color, _("You have unmerged paths."));
 793                 if (advice_status_hints)
 794                         status_printf_ln(s, color,
 795                                 _("  (fix conflicts and run \"git commit\")"));
 796         } else {
 797                 status_printf_ln(s, color,
 798                         _("All conflicts fixed but you are still merging."));
 799                 if (advice_status_hints)
 800                         status_printf_ln(s, color,
 801                                 _("  (use \"git commit\" to conclude merge)"));
 802         }
 803         wt_status_print_trailer(s);
 804 }
 805
 806 static void show_am_in_progress(struct wt_status *s,
 807                                 struct wt_status_state *state,
 808                                 const char *color)
 809 {
 810         status_printf_ln(s, color,
 811                 _("You are in the middle of an am session."));
 812         if (state->am_empty_patch)
 813                 status_printf_ln(s, color,
 814                         _("The current patch is empty."));
 815         if (advice_status_hints) {
 816                 if (!state->am_empty_patch)
 817                         status_printf_ln(s, color,
 818                                 _("  (fix conflicts and then run \"git am --resolved\")"));
 819                 status_printf_ln(s, color,
 820                         _("  (use \"git am --skip\" to skip this patch)"));
 821                 status_printf_ln(s, color,
 822                         _("  (use \"git am --abort\" to restore the original branch)"));
 823         }
 824         wt_status_print_trailer(s);
 825 }
 826
 827 static char *read_line_from_git_path(const char *filename)
 828 {
 829         struct strbuf buf = STRBUF_INIT;
 830         FILE *fp = fopen(git_path("%s", filename), "r");
 831         if (!fp) {
 832                 strbuf_release(&buf);
 833                 return NULL;
 834         }
 835         strbuf_getline(&buf, fp, '\n');
 836         if (!fclose(fp)) {
 837                 return strbuf_detach(&buf, NULL);
 838         } else {
 839                 strbuf_release(&buf);
 840                 return NULL;
 841         }
 842 }
 843
 844 static int split_commit_in_progress(struct wt_status *s)
 845 {
 846         int split_in_progress = 0;
 847         char *head = read_line_from_git_path("HEAD");
 848         char *orig_head = read_line_from_git_path("ORIG_HEAD");
 849         char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 850         char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 851
 852         if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 853             !s->branch || strcmp(s->branch, "HEAD"))
 854                 return split_in_progress;
 855
 856         if (!strcmp(rebase_amend, rebase_orig_head)) {
 857                 if (strcmp(head, rebase_amend))
 858                         split_in_progress = 1;
 859         } else if (strcmp(orig_head, rebase_orig_head)) {
 860                 split_in_progress = 1;
 861         }
 862
 863         if (!s->amend && !s->nowarn && !s->workdir_dirty)
 864                 split_in_progress = 0;
 865
 866         free(head);
 867         free(orig_head);
 868         free(rebase_amend);
 869         free(rebase_orig_head);
 870         return split_in_progress;
 871 }
 872
 873 static void show_rebase_in_progress(struct wt_status *s,
 874                                 struct wt_status_state *state,
 875                                 const char *color)
 876 {
 877         struct stat st;
 878
 879         if (has_unmerged(s)) {
 880                 if (state->branch)
 881                         status_printf_ln(s, color,
 882                                          _("You are currently rebasing branch '%s' on '%s'."),
 883                                          state->branch,
 884                                          state->onto);
 885                 else
 886                         status_printf_ln(s, color,
 887                                          _("You are currently rebasing."));
 888                 if (advice_status_hints) {
 889                         status_printf_ln(s, color,
 890                                 _("  (fix conflicts and then run \"git rebase --continue\")"));
 891                         status_printf_ln(s, color,
 892                                 _("  (use \"git rebase --skip\" to skip this patch)"));
 893                         status_printf_ln(s, color,
 894                                 _("  (use \"git rebase --abort\" to check out the original branch)"));
 895                 }
 896         } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 897                 if (state->branch)
 898                         status_printf_ln(s, color,
 899                                          _("You are currently rebasing branch '%s' on '%s'."),
 900                                          state->branch,
 901                                          state->onto);
 902                 else
 903                         status_printf_ln(s, color,
 904                                          _("You are currently rebasing."));
 905                 if (advice_status_hints)
 906                         status_printf_ln(s, color,
 907                                 _("  (all conflicts fixed: run \"git rebase --continue\")"));
 908         } else if (split_commit_in_progress(s)) {
 909                 if (state->branch)
 910                         status_printf_ln(s, color,
 911                                          _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 912                                          state->branch,
 913                                          state->onto);
 914                 else
 915                         status_printf_ln(s, color,
 916                                          _("You are currently splitting a commit during a rebase."));
 917                 if (advice_status_hints)
 918                         status_printf_ln(s, color,
 919                                 _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 920         } else {
 921                 if (state->branch)
 922                         status_printf_ln(s, color,
 923                                          _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 924                                          state->branch,
 925                                          state->onto);
 926                 else
 927                         status_printf_ln(s, color,
 928                                          _("You are currently editing a commit during a rebase."));
 929                 if (advice_status_hints && !s->amend) {
 930                         status_printf_ln(s, color,
 931                                 _("  (use \"git commit --amend\" to amend the current commit)"));
 932                         status_printf_ln(s, color,
 933                                 _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 934                 }
 935         }
 936         wt_status_print_trailer(s);
 937 }
 938
 939 static void show_cherry_pick_in_progress(struct wt_status *s,
 940                                         struct wt_status_state *state,
 941                                         const char *color)
 942 {
 943         status_printf_ln(s, color, _("You are currently cherry-picking."));
 944         if (advice_status_hints) {
 945                 if (has_unmerged(s))
 946                         status_printf_ln(s, color,
 947                                 _("  (fix conflicts and run \"git commit\")"));
 948                 else
 949                         status_printf_ln(s, color,
 950                                 _("  (all conflicts fixed: run \"git commit\")"));
 951         }
 952         wt_status_print_trailer(s);
 953 }
 954
 955 static void show_bisect_in_progress(struct wt_status *s,
 956                                 struct wt_status_state *state,
 957                                 const char *color)
 958 {
 959         if (state->branch)
 960                 status_printf_ln(s, color,
 961                                  _("You are currently bisecting branch '%s'."),
 962                                  state->branch);
 963         else
 964                 status_printf_ln(s, color,
 965                                  _("You are currently bisecting."));
 966         if (advice_status_hints)
 967                 status_printf_ln(s, color,
 968                         _("  (use \"git bisect reset\" to get back to the original branch)"));
 969         wt_status_print_trailer(s);
 970 }
 971
 972 /*
 973  * Extract branch information from rebase/bisect
 974  */
 975 static void read_and_strip_branch(struct strbuf *sb,
 976                                   const char **branch,
 977                                   const char *path)
 978 {
 979         unsigned char sha1[20];
 980
 981         strbuf_reset(sb);
 982         if (strbuf_read_file(sb, git_path("%s", path), 0) <= 0)
 983                 return;
 984
 985         while (sb->len && sb->buf[sb->len - 1] == '\n')
 986                 strbuf_setlen(sb, sb->len - 1);
 987         if (!sb->len)
 988                 return;
 989         if (!prefixcmp(sb->buf, "refs/heads/"))
 990                 *branch = sb->buf + strlen("refs/heads/");
 991         else if (!prefixcmp(sb->buf, "refs/"))
 992                 *branch = sb->buf;
 993         else if (!get_sha1_hex(sb->buf, sha1)) {
 994                 const char *abbrev;
 995                 abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
 996                 strbuf_reset(sb);
 997                 strbuf_addstr(sb, abbrev);
 998                 *branch = sb->buf;
 999         } else if (!strcmp(sb->buf, "detached HEAD")) /* rebase */
1000                 ;
1001         else                    /* bisect */
1002                 *branch = sb->buf;
1003 }
1004
1005 static void wt_status_print_state(struct wt_status *s)
1006 {
1007         const char *state_color = color(WT_STATUS_HEADER, s);
1008         struct strbuf branch = STRBUF_INIT;
1009         struct strbuf onto = STRBUF_INIT;
1010         struct wt_status_state state;
1011         struct stat st;
1012
1013         memset(&state, 0, sizeof(state));
1014
1015         if (!stat(git_path("MERGE_HEAD"), &st)) {
1016                 state.merge_in_progress = 1;
1017         } else if (!stat(git_path("rebase-apply"), &st)) {
1018                 if (!stat(git_path("rebase-apply/applying"), &st)) {
1019                         state.am_in_progress = 1;
1020                         if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1021                                 state.am_empty_patch = 1;
1022                 } else {
1023                         state.rebase_in_progress = 1;
1024                         read_and_strip_branch(&branch, &state.branch,
1025                                               "rebase-apply/head-name");
1026                         read_and_strip_branch(&onto, &state.onto,
1027                                               "rebase-apply/onto");
1028                 }
1029         } else if (!stat(git_path("rebase-merge"), &st)) {
1030                 if (!stat(git_path("rebase-merge/interactive"), &st))
1031                         state.rebase_interactive_in_progress = 1;
1032                 else
1033                         state.rebase_in_progress = 1;
1034                 read_and_strip_branch(&branch, &state.branch,
1035                                       "rebase-merge/head-name");
1036                 read_and_strip_branch(&onto, &state.onto,
1037                                       "rebase-merge/onto");
1038         } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
1039                 state.cherry_pick_in_progress = 1;
1040         }
1041         if (!stat(git_path("BISECT_LOG"), &st)) {
1042                 state.bisect_in_progress = 1;
1043                 read_and_strip_branch(&branch, &state.branch,
1044                                       "BISECT_START");
1045         }
1046
1047         if (state.merge_in_progress)
1048                 show_merge_in_progress(s, &state, state_color);
1049         else if (state.am_in_progress)
1050                 show_am_in_progress(s, &state, state_color);
1051         else if (state.rebase_in_progress || state.rebase_interactive_in_progress)
1052                 show_rebase_in_progress(s, &state, state_color);
1053         else if (state.cherry_pick_in_progress)
1054                 show_cherry_pick_in_progress(s, &state, state_color);
1055         if (state.bisect_in_progress)
1056                 show_bisect_in_progress(s, &state, state_color);
1057         strbuf_release(&branch);
1058         strbuf_release(&onto);
1059 }
1060
1061 void wt_status_print(struct wt_status *s)
1062 {
1063         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1064         const char *branch_status_color = color(WT_STATUS_HEADER, s);
1065
1066         if (s->branch) {
1067                 const char *on_what = _("On branch ");
1068                 const char *branch_name = s->branch;
1069                 if (!prefixcmp(branch_name, "refs/heads/"))
1070                         branch_name += 11;
1071                 else if (!strcmp(branch_name, "HEAD")) {
1072                         branch_name = "";
1073                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
1074                         on_what = _("Not currently on any branch.");
1075                 }
1076                 status_printf(s, color(WT_STATUS_HEADER, s), "");
1077                 status_printf_more(s, branch_status_color, "%s", on_what);
1078                 status_printf_more(s, branch_color, "%s\n", branch_name);
1079                 if (!s->is_initial)
1080                         wt_status_print_tracking(s);
1081         }
1082
1083         wt_status_print_state(s);
1084         if (s->is_initial) {
1085                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1086                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1087                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1088         }
1089
1090         wt_status_print_updated(s);
1091         wt_status_print_unmerged(s);
1092         wt_status_print_changed(s);
1093         if (s->submodule_summary &&
1094             (!s->ignore_submodule_arg ||
1095              strcmp(s->ignore_submodule_arg, "all"))) {
1096                 wt_status_print_submodule_summary(s, 0);  /* staged */
1097                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
1098         }
1099         if (s->show_untracked_files) {
1100                 wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1101                 if (s->show_ignored_files)
1102                         wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1103         } else if (s->commitable)
1104                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1105                         advice_status_hints
1106                         ? _(" (use -u option to show untracked files)") : "");
1107
1108         if (s->verbose)
1109                 wt_status_print_verbose(s);
1110         if (!s->commitable) {
1111                 if (s->amend)
1112                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1113                 else if (s->nowarn)
1114                         ; /* nothing */
1115                 else if (s->workdir_dirty) {
1116                         if (advice_status_hints)
1117                                 printf(_("no changes added to commit "
1118                                          "(use \"git add\" and/or \"git commit -a\")\n"));
1119                         else
1120                                 printf(_("no changes added to commit\n"));
1121                 } else if (s->untracked.nr) {
1122                         if (advice_status_hints)
1123                                 printf(_("nothing added to commit but untracked files "
1124                                          "present (use \"git add\" to track)\n"));
1125                         else
1126                                 printf(_("nothing added to commit but untracked files present\n"));
1127                 } else if (s->is_initial) {
1128                         if (advice_status_hints)
1129                                 printf(_("nothing to commit (create/copy files "
1130                                          "and use \"git add\" to track)\n"));
1131                         else
1132                                 printf(_("nothing to commit\n"));
1133                 } else if (!s->show_untracked_files) {
1134                         if (advice_status_hints)
1135                                 printf(_("nothing to commit (use -u to show untracked files)\n"));
1136                         else
1137                                 printf(_("nothing to commit\n"));
1138                 } else
1139                         printf(_("nothing to commit, working directory clean\n"));
1140         }
1141 }
1142
1143 static void wt_shortstatus_unmerged(struct string_list_item *it,
1144                            struct wt_status *s)
1145 {
1146         struct wt_status_change_data *d = it->util;
1147         const char *how = "??";
1148
1149         switch (d->stagemask) {
1150         case 1: how = "DD"; break; /* both deleted */
1151         case 2: how = "AU"; break; /* added by us */
1152         case 3: how = "UD"; break; /* deleted by them */
1153         case 4: how = "UA"; break; /* added by them */
1154         case 5: how = "DU"; break; /* deleted by us */
1155         case 6: how = "AA"; break; /* both added */
1156         case 7: how = "UU"; break; /* both modified */
1157         }
1158         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1159         if (s->null_termination) {
1160                 fprintf(stdout, " %s%c", it->string, 0);
1161         } else {
1162                 struct strbuf onebuf = STRBUF_INIT;
1163                 const char *one;
1164                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1165                 printf(" %s\n", one);
1166                 strbuf_release(&onebuf);
1167         }
1168 }
1169
1170 static void wt_shortstatus_status(struct string_list_item *it,
1171                          struct wt_status *s)
1172 {
1173         struct wt_status_change_data *d = it->util;
1174
1175         if (d->index_status)
1176                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1177         else
1178                 putchar(' ');
1179         if (d->worktree_status)
1180                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1181         else
1182                 putchar(' ');
1183         putchar(' ');
1184         if (s->null_termination) {
1185                 fprintf(stdout, "%s%c", it->string, 0);
1186                 if (d->head_path)
1187                         fprintf(stdout, "%s%c", d->head_path, 0);
1188         } else {
1189                 struct strbuf onebuf = STRBUF_INIT;
1190                 const char *one;
1191                 if (d->head_path) {
1192                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
1193                         if (*one != '"' && strchr(one, ' ') != NULL) {
1194                                 putchar('"');
1195                                 strbuf_addch(&onebuf, '"');
1196                                 one = onebuf.buf;
1197                         }
1198                         printf("%s -> ", one);
1199                         strbuf_release(&onebuf);
1200                 }
1201                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1202                 if (*one != '"' && strchr(one, ' ') != NULL) {
1203                         putchar('"');
1204                         strbuf_addch(&onebuf, '"');
1205                         one = onebuf.buf;
1206                 }
1207                 printf("%s\n", one);
1208                 strbuf_release(&onebuf);
1209         }
1210 }
1211
1212 static void wt_shortstatus_other(struct string_list_item *it,
1213                                  struct wt_status *s, const char *sign)
1214 {
1215         if (s->null_termination) {
1216                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1217         } else {
1218                 struct strbuf onebuf = STRBUF_INIT;
1219                 const char *one;
1220                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1221                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1222                 printf(" %s\n", one);
1223                 strbuf_release(&onebuf);
1224         }
1225 }
1226
1227 static void wt_shortstatus_print_tracking(struct wt_status *s)
1228 {
1229         struct branch *branch;
1230         const char *header_color = color(WT_STATUS_HEADER, s);
1231         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1232         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1233
1234         const char *base;
1235         const char *branch_name;
1236         int num_ours, num_theirs;
1237
1238         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1239
1240         if (!s->branch)
1241                 return;
1242         branch_name = s->branch;
1243
1244         if (!prefixcmp(branch_name, "refs/heads/"))
1245                 branch_name += 11;
1246         else if (!strcmp(branch_name, "HEAD")) {
1247                 branch_name = _("HEAD (no branch)");
1248                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
1249         }
1250
1251         branch = branch_get(s->branch + 11);
1252         if (s->is_initial)
1253                 color_fprintf(s->fp, header_color, _("Initial commit on "));
1254         if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
1255                 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1256                 fputc(s->null_termination ? '\0' : '\n', s->fp);
1257                 return;
1258         }
1259
1260         base = branch->merge[0]->dst;
1261         base = shorten_unambiguous_ref(base, 0);
1262         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1263         color_fprintf(s->fp, header_color, "...");
1264         color_fprintf(s->fp, branch_color_remote, "%s", base);
1265
1266         color_fprintf(s->fp, header_color, " [");
1267         if (!num_ours) {
1268                 color_fprintf(s->fp, header_color, _("behind "));
1269                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1270         } else if (!num_theirs) {
1271                 color_fprintf(s->fp, header_color, _("ahead "));
1272                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1273         } else {
1274                 color_fprintf(s->fp, header_color, _("ahead "));
1275                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1276                 color_fprintf(s->fp, header_color, _(", behind "));
1277                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1278         }
1279
1280         color_fprintf(s->fp, header_color, "]");
1281         fputc(s->null_termination ? '\0' : '\n', s->fp);
1282 }
1283
1284 void wt_shortstatus_print(struct wt_status *s)
1285 {
1286         int i;
1287
1288         if (s->show_branch)
1289                 wt_shortstatus_print_tracking(s);
1290
1291         for (i = 0; i < s->change.nr; i++) {
1292                 struct wt_status_change_data *d;
1293                 struct string_list_item *it;
1294
1295                 it = &(s->change.items[i]);
1296                 d = it->util;
1297                 if (d->stagemask)
1298                         wt_shortstatus_unmerged(it, s);
1299                 else
1300                         wt_shortstatus_status(it, s);
1301         }
1302         for (i = 0; i < s->untracked.nr; i++) {
1303                 struct string_list_item *it;
1304
1305                 it = &(s->untracked.items[i]);
1306                 wt_shortstatus_other(it, s, "??");
1307         }
1308         for (i = 0; i < s->ignored.nr; i++) {
1309                 struct string_list_item *it;
1310
1311                 it = &(s->ignored.items[i]);
1312                 wt_shortstatus_other(it, s, "!!");
1313         }
1314 }
1315
1316 void wt_porcelain_print(struct wt_status *s)
1317 {
1318         s->use_color = 0;
1319         s->relative_paths = 0;
1320         s->prefix = NULL;
1321         wt_shortstatus_print(s);
1322 }