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