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
  13 static char default_wt_status_colors[][COLOR_MAXLEN] = {
  14         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  15         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  16         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  17         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  18         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  19         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  20 };
  21
  22 static const char *color(int slot, struct wt_status *s)
  23 {
  24         return s->use_color > 0 ? s->color_palette[slot] : "";
  25 }
  26
  27 void wt_status_prepare(struct wt_status *s)
  28 {
  29         unsigned char sha1[20];
  30         const char *head;
  31
  32         memset(s, 0, sizeof(*s));
  33         memcpy(s->color_palette, default_wt_status_colors,
  34                sizeof(default_wt_status_colors));
  35         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  36         s->use_color = -1;
  37         s->relative_paths = 1;
  38         head = resolve_ref("HEAD", sha1, 0, NULL);
  39         s->branch = head ? xstrdup(head) : NULL;
  40         s->reference = "HEAD";
  41         s->fp = stdout;
  42         s->index_file = get_index_file();
  43         s->change.strdup_strings = 1;
  44         s->untracked.strdup_strings = 1;
  45         s->ignored.strdup_strings = 1;
  46 }
  47
  48 static void wt_status_print_unmerged_header(struct wt_status *s)
  49 {
  50         const char *c = color(WT_STATUS_HEADER, s);
  51
  52         color_fprintf_ln(s->fp, c, "# Unmerged paths:");
  53         if (!advice_status_hints)
  54                 return;
  55         if (s->in_merge)
  56                 ;
  57         else if (!s->is_initial)
  58                 color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  59         else
  60                 color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  61         color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
  62         color_fprintf_ln(s->fp, c, "#");
  63 }
  64
  65 static void wt_status_print_cached_header(struct wt_status *s)
  66 {
  67         const char *c = color(WT_STATUS_HEADER, s);
  68
  69         color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  70         if (!advice_status_hints)
  71                 return;
  72         if (s->in_merge)
  73                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
  74         else if (!s->is_initial)
  75                 color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  76         else
  77                 color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  78         color_fprintf_ln(s->fp, c, "#");
  79 }
  80
  81 static void wt_status_print_dirty_header(struct wt_status *s,
  82                                          int has_deleted,
  83                                          int has_dirty_submodules)
  84 {
  85         const char *c = color(WT_STATUS_HEADER, s);
  86
  87         color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  88         if (!advice_status_hints)
  89                 return;
  90         if (!has_deleted)
  91                 color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  92         else
  93                 color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  94         color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
  95         if (has_dirty_submodules)
  96                 color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
  97         color_fprintf_ln(s->fp, c, "#");
  98 }
  99
 100 static void wt_status_print_untracked_header(struct wt_status *s)
 101 {
 102         const char *c = color(WT_STATUS_HEADER, s);
 103         color_fprintf_ln(s->fp, c, "# Untracked files:");
 104         if (!advice_status_hints)
 105                 return;
 106         color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
 107         color_fprintf_ln(s->fp, c, "#");
 108 }
 109
 110 static void wt_status_print_trailer(struct wt_status *s)
 111 {
 112         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 113 }
 114
 115 #define quote_path quote_path_relative
 116
 117 static void wt_status_print_unmerged_data(struct wt_status *s,
 118                                           struct string_list_item *it)
 119 {
 120         const char *c = color(WT_STATUS_UNMERGED, s);
 121         struct wt_status_change_data *d = it->util;
 122         struct strbuf onebuf = STRBUF_INIT;
 123         const char *one, *how = "bug";
 124
 125         one = quote_path(it->string, -1, &onebuf, s->prefix);
 126         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 127         switch (d->stagemask) {
 128         case 1: how = "both deleted:"; break;
 129         case 2: how = "added by us:"; break;
 130         case 3: how = "deleted by them:"; break;
 131         case 4: how = "added by them:"; break;
 132         case 5: how = "deleted by us:"; break;
 133         case 6: how = "both added:"; break;
 134         case 7: how = "both modified:"; break;
 135         }
 136         color_fprintf(s->fp, c, "%-20s%s\n", how, one);
 137         strbuf_release(&onebuf);
 138 }
 139
 140 static void wt_status_print_change_data(struct wt_status *s,
 141                                         int change_type,
 142                                         struct string_list_item *it)
 143 {
 144         struct wt_status_change_data *d = it->util;
 145         const char *c = color(change_type, s);
 146         int status = status;
 147         char *one_name;
 148         char *two_name;
 149         const char *one, *two;
 150         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 151         struct strbuf extra = STRBUF_INIT;
 152
 153         one_name = two_name = it->string;
 154         switch (change_type) {
 155         case WT_STATUS_UPDATED:
 156                 status = d->index_status;
 157                 if (d->head_path)
 158                         one_name = d->head_path;
 159                 break;
 160         case WT_STATUS_CHANGED:
 161                 if (d->new_submodule_commits || d->dirty_submodule) {
 162                         strbuf_addstr(&extra, " (");
 163                         if (d->new_submodule_commits)
 164                                 strbuf_addf(&extra, "new commits, ");
 165                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 166                                 strbuf_addf(&extra, "modified content, ");
 167                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 168                                 strbuf_addf(&extra, "untracked content, ");
 169                         strbuf_setlen(&extra, extra.len - 2);
 170                         strbuf_addch(&extra, ')');
 171                 }
 172                 status = d->worktree_status;
 173                 break;
 174         }
 175
 176         one = quote_path(one_name, -1, &onebuf, s->prefix);
 177         two = quote_path(two_name, -1, &twobuf, s->prefix);
 178
 179         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 180         switch (status) {
 181         case DIFF_STATUS_ADDED:
 182                 color_fprintf(s->fp, c, "new file:   %s", one);
 183                 break;
 184         case DIFF_STATUS_COPIED:
 185                 color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 186                 break;
 187         case DIFF_STATUS_DELETED:
 188                 color_fprintf(s->fp, c, "deleted:    %s", one);
 189                 break;
 190         case DIFF_STATUS_MODIFIED:
 191                 color_fprintf(s->fp, c, "modified:   %s", one);
 192                 break;
 193         case DIFF_STATUS_RENAMED:
 194                 color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 195                 break;
 196         case DIFF_STATUS_TYPE_CHANGED:
 197                 color_fprintf(s->fp, c, "typechange: %s", one);
 198                 break;
 199         case DIFF_STATUS_UNKNOWN:
 200                 color_fprintf(s->fp, c, "unknown:    %s", one);
 201                 break;
 202         case DIFF_STATUS_UNMERGED:
 203                 color_fprintf(s->fp, c, "unmerged:   %s", one);
 204                 break;
 205         default:
 206                 die("bug: unhandled diff status %c", status);
 207         }
 208         if (extra.len) {
 209                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 210                 strbuf_release(&extra);
 211         }
 212         fprintf(s->fp, "\n");
 213         strbuf_release(&onebuf);
 214         strbuf_release(&twobuf);
 215 }
 216
 217 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 218                                          struct diff_options *options,
 219                                          void *data)
 220 {
 221         struct wt_status *s = data;
 222         int i;
 223
 224         if (!q->nr)
 225                 return;
 226         s->workdir_dirty = 1;
 227         for (i = 0; i < q->nr; i++) {
 228                 struct diff_filepair *p;
 229                 struct string_list_item *it;
 230                 struct wt_status_change_data *d;
 231
 232                 p = q->queue[i];
 233                 it = string_list_insert(p->one->path, &s->change);
 234                 d = it->util;
 235                 if (!d) {
 236                         d = xcalloc(1, sizeof(*d));
 237                         it->util = d;
 238                 }
 239                 if (!d->worktree_status)
 240                         d->worktree_status = p->status;
 241                 d->dirty_submodule = p->two->dirty_submodule;
 242                 if (S_ISGITLINK(p->two->mode))
 243                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 244         }
 245 }
 246
 247 static int unmerged_mask(const char *path)
 248 {
 249         int pos, mask;
 250         struct cache_entry *ce;
 251
 252         pos = cache_name_pos(path, strlen(path));
 253         if (0 <= pos)
 254                 return 0;
 255
 256         mask = 0;
 257         pos = -pos-1;
 258         while (pos < active_nr) {
 259                 ce = active_cache[pos++];
 260                 if (strcmp(ce->name, path) || !ce_stage(ce))
 261                         break;
 262                 mask |= (1 << (ce_stage(ce) - 1));
 263         }
 264         return mask;
 265 }
 266
 267 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 268                                          struct diff_options *options,
 269                                          void *data)
 270 {
 271         struct wt_status *s = data;
 272         int i;
 273
 274         for (i = 0; i < q->nr; i++) {
 275                 struct diff_filepair *p;
 276                 struct string_list_item *it;
 277                 struct wt_status_change_data *d;
 278
 279                 p = q->queue[i];
 280                 it = string_list_insert(p->two->path, &s->change);
 281                 d = it->util;
 282                 if (!d) {
 283                         d = xcalloc(1, sizeof(*d));
 284                         it->util = d;
 285                 }
 286                 if (!d->index_status)
 287                         d->index_status = p->status;
 288                 switch (p->status) {
 289                 case DIFF_STATUS_COPIED:
 290                 case DIFF_STATUS_RENAMED:
 291                         d->head_path = xstrdup(p->one->path);
 292                         break;
 293                 case DIFF_STATUS_UNMERGED:
 294                         d->stagemask = unmerged_mask(p->two->path);
 295                         break;
 296                 }
 297         }
 298 }
 299
 300 static void wt_status_collect_changes_worktree(struct wt_status *s)
 301 {
 302         struct rev_info rev;
 303
 304         init_revisions(&rev, NULL);
 305         setup_revisions(0, NULL, &rev, NULL);
 306         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 307         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 308         if (!s->show_untracked_files)
 309                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 310         rev.diffopt.format_callback = wt_status_collect_changed_cb;
 311         rev.diffopt.format_callback_data = s;
 312         rev.prune_data = s->pathspec;
 313         run_diff_files(&rev, 0);
 314 }
 315
 316 static void wt_status_collect_changes_index(struct wt_status *s)
 317 {
 318         struct rev_info rev;
 319         struct setup_revision_opt opt;
 320
 321         init_revisions(&rev, NULL);
 322         memset(&opt, 0, sizeof(opt));
 323         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 324         setup_revisions(0, NULL, &rev, &opt);
 325
 326         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 327         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 328         rev.diffopt.format_callback_data = s;
 329         rev.diffopt.detect_rename = 1;
 330         rev.diffopt.rename_limit = 200;
 331         rev.diffopt.break_opt = 0;
 332         rev.prune_data = s->pathspec;
 333         run_diff_index(&rev, 1);
 334 }
 335
 336 static void wt_status_collect_changes_initial(struct wt_status *s)
 337 {
 338         int i;
 339
 340         for (i = 0; i < active_nr; i++) {
 341                 struct string_list_item *it;
 342                 struct wt_status_change_data *d;
 343                 struct cache_entry *ce = active_cache[i];
 344
 345                 if (!ce_path_match(ce, s->pathspec))
 346                         continue;
 347                 it = string_list_insert(ce->name, &s->change);
 348                 d = it->util;
 349                 if (!d) {
 350                         d = xcalloc(1, sizeof(*d));
 351                         it->util = d;
 352                 }
 353                 if (ce_stage(ce)) {
 354                         d->index_status = DIFF_STATUS_UNMERGED;
 355                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 356                 }
 357                 else
 358                         d->index_status = DIFF_STATUS_ADDED;
 359         }
 360 }
 361
 362 static void wt_status_collect_untracked(struct wt_status *s)
 363 {
 364         int i;
 365         struct dir_struct dir;
 366
 367         if (!s->show_untracked_files)
 368                 return;
 369         memset(&dir, 0, sizeof(dir));
 370         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 371                 dir.flags |=
 372                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 373         setup_standard_excludes(&dir);
 374
 375         fill_directory(&dir, s->pathspec);
 376         for (i = 0; i < dir.nr; i++) {
 377                 struct dir_entry *ent = dir.entries[i];
 378                 if (!cache_name_is_other(ent->name, ent->len))
 379                         continue;
 380                 if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 381                         continue;
 382                 string_list_insert(ent->name, &s->untracked);
 383                 free(ent);
 384         }
 385
 386         if (s->show_ignored_files) {
 387                 dir.nr = 0;
 388                 dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
 389                 fill_directory(&dir, s->pathspec);
 390                 for (i = 0; i < dir.nr; i++) {
 391                         struct dir_entry *ent = dir.entries[i];
 392                         if (!cache_name_is_other(ent->name, ent->len))
 393                                 continue;
 394                         if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 395                                 continue;
 396                         string_list_insert(ent->name, &s->ignored);
 397                         free(ent);
 398                 }
 399         }
 400
 401         free(dir.entries);
 402 }
 403
 404 void wt_status_collect(struct wt_status *s)
 405 {
 406         wt_status_collect_changes_worktree(s);
 407
 408         if (s->is_initial)
 409                 wt_status_collect_changes_initial(s);
 410         else
 411                 wt_status_collect_changes_index(s);
 412         wt_status_collect_untracked(s);
 413 }
 414
 415 static void wt_status_print_unmerged(struct wt_status *s)
 416 {
 417         int shown_header = 0;
 418         int i;
 419
 420         for (i = 0; i < s->change.nr; i++) {
 421                 struct wt_status_change_data *d;
 422                 struct string_list_item *it;
 423                 it = &(s->change.items[i]);
 424                 d = it->util;
 425                 if (!d->stagemask)
 426                         continue;
 427                 if (!shown_header) {
 428                         wt_status_print_unmerged_header(s);
 429                         shown_header = 1;
 430                 }
 431                 wt_status_print_unmerged_data(s, it);
 432         }
 433         if (shown_header)
 434                 wt_status_print_trailer(s);
 435
 436 }
 437
 438 static void wt_status_print_updated(struct wt_status *s)
 439 {
 440         int shown_header = 0;
 441         int i;
 442
 443         for (i = 0; i < s->change.nr; i++) {
 444                 struct wt_status_change_data *d;
 445                 struct string_list_item *it;
 446                 it = &(s->change.items[i]);
 447                 d = it->util;
 448                 if (!d->index_status ||
 449                     d->index_status == DIFF_STATUS_UNMERGED)
 450                         continue;
 451                 if (!shown_header) {
 452                         wt_status_print_cached_header(s);
 453                         s->commitable = 1;
 454                         shown_header = 1;
 455                 }
 456                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 457         }
 458         if (shown_header)
 459                 wt_status_print_trailer(s);
 460 }
 461
 462 /*
 463  * -1 : has delete
 464  *  0 : no change
 465  *  1 : some change but no delete
 466  */
 467 static int wt_status_check_worktree_changes(struct wt_status *s,
 468                                              int *dirty_submodules)
 469 {
 470         int i;
 471         int changes = 0;
 472
 473         *dirty_submodules = 0;
 474
 475         for (i = 0; i < s->change.nr; i++) {
 476                 struct wt_status_change_data *d;
 477                 d = s->change.items[i].util;
 478                 if (!d->worktree_status ||
 479                     d->worktree_status == DIFF_STATUS_UNMERGED)
 480                         continue;
 481                 if (!changes)
 482                         changes = 1;
 483                 if (d->dirty_submodule)
 484                         *dirty_submodules = 1;
 485                 if (d->worktree_status == DIFF_STATUS_DELETED)
 486                         changes = -1;
 487         }
 488         return changes;
 489 }
 490
 491 static void wt_status_print_changed(struct wt_status *s)
 492 {
 493         int i, dirty_submodules;
 494         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 495
 496         if (!worktree_changes)
 497                 return;
 498
 499         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 500
 501         for (i = 0; i < s->change.nr; i++) {
 502                 struct wt_status_change_data *d;
 503                 struct string_list_item *it;
 504                 it = &(s->change.items[i]);
 505                 d = it->util;
 506                 if (!d->worktree_status ||
 507                     d->worktree_status == DIFF_STATUS_UNMERGED)
 508                         continue;
 509                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 510         }
 511         wt_status_print_trailer(s);
 512 }
 513
 514 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 515 {
 516         struct child_process sm_summary;
 517         char summary_limit[64];
 518         char index[PATH_MAX];
 519         const char *env[] = { index, NULL };
 520         const char *argv[] = {
 521                 "submodule",
 522                 "summary",
 523                 uncommitted ? "--files" : "--cached",
 524                 "--for-status",
 525                 "--summary-limit",
 526                 summary_limit,
 527                 uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD"),
 528                 NULL
 529         };
 530
 531         sprintf(summary_limit, "%d", s->submodule_summary);
 532         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 533
 534         memset(&sm_summary, 0, sizeof(sm_summary));
 535         sm_summary.argv = argv;
 536         sm_summary.env = env;
 537         sm_summary.git_cmd = 1;
 538         sm_summary.no_stdin = 1;
 539         fflush(s->fp);
 540         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 541         run_command(&sm_summary);
 542 }
 543
 544 static void wt_status_print_untracked(struct wt_status *s)
 545 {
 546         int i;
 547         struct strbuf buf = STRBUF_INIT;
 548
 549         if (!s->untracked.nr)
 550                 return;
 551
 552         wt_status_print_untracked_header(s);
 553         for (i = 0; i < s->untracked.nr; i++) {
 554                 struct string_list_item *it;
 555                 it = &(s->untracked.items[i]);
 556                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 557                 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 558                                  quote_path(it->string, strlen(it->string),
 559                                             &buf, s->prefix));
 560         }
 561         strbuf_release(&buf);
 562 }
 563
 564 static void wt_status_print_verbose(struct wt_status *s)
 565 {
 566         struct rev_info rev;
 567         struct setup_revision_opt opt;
 568
 569         init_revisions(&rev, NULL);
 570         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 571
 572         memset(&opt, 0, sizeof(opt));
 573         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 574         setup_revisions(0, NULL, &rev, &opt);
 575
 576         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 577         rev.diffopt.detect_rename = 1;
 578         rev.diffopt.file = s->fp;
 579         rev.diffopt.close_file = 0;
 580         /*
 581          * If we're not going to stdout, then we definitely don't
 582          * want color, since we are going to the commit message
 583          * file (and even the "auto" setting won't work, since it
 584          * will have checked isatty on stdout).
 585          */
 586         if (s->fp != stdout)
 587                 DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 588         run_diff_index(&rev, 1);
 589 }
 590
 591 static void wt_status_print_tracking(struct wt_status *s)
 592 {
 593         struct strbuf sb = STRBUF_INIT;
 594         const char *cp, *ep;
 595         struct branch *branch;
 596
 597         assert(s->branch && !s->is_initial);
 598         if (prefixcmp(s->branch, "refs/heads/"))
 599                 return;
 600         branch = branch_get(s->branch + 11);
 601         if (!format_tracking_info(branch, &sb))
 602                 return;
 603
 604         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 605                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 606                                  "# %.*s", (int)(ep - cp), cp);
 607         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 608 }
 609
 610 void wt_status_print(struct wt_status *s)
 611 {
 612         const char *branch_color = color(WT_STATUS_HEADER, s);
 613
 614         if (s->branch) {
 615                 const char *on_what = "On branch ";
 616                 const char *branch_name = s->branch;
 617                 if (!prefixcmp(branch_name, "refs/heads/"))
 618                         branch_name += 11;
 619                 else if (!strcmp(branch_name, "HEAD")) {
 620                         branch_name = "";
 621                         branch_color = color(WT_STATUS_NOBRANCH, s);
 622                         on_what = "Not currently on any branch.";
 623                 }
 624                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 625                 color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 626                 if (!s->is_initial)
 627                         wt_status_print_tracking(s);
 628         }
 629
 630         if (s->is_initial) {
 631                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 632                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 633                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 634         }
 635
 636         wt_status_print_updated(s);
 637         wt_status_print_unmerged(s);
 638         wt_status_print_changed(s);
 639         if (s->submodule_summary) {
 640                 wt_status_print_submodule_summary(s, 0);  /* staged */
 641                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
 642         }
 643         if (s->show_untracked_files)
 644                 wt_status_print_untracked(s);
 645         else if (s->commitable)
 646                  fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 647
 648         if (s->verbose)
 649                 wt_status_print_verbose(s);
 650         if (!s->commitable) {
 651                 if (s->amend)
 652                         fprintf(s->fp, "# No changes\n");
 653                 else if (s->nowarn)
 654                         ; /* nothing */
 655                 else if (s->workdir_dirty)
 656                         printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 657                 else if (s->untracked.nr)
 658                         printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 659                 else if (s->is_initial)
 660                         printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 661                 else if (!s->show_untracked_files)
 662                         printf("nothing to commit (use -u to show untracked files)\n");
 663                 else
 664                         printf("nothing to commit (working directory clean)\n");
 665         }
 666 }
 667
 668 static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 669                            struct wt_status *s)
 670 {
 671         struct wt_status_change_data *d = it->util;
 672         const char *how = "??";
 673
 674         switch (d->stagemask) {
 675         case 1: how = "DD"; break; /* both deleted */
 676         case 2: how = "AU"; break; /* added by us */
 677         case 3: how = "UD"; break; /* deleted by them */
 678         case 4: how = "UA"; break; /* added by them */
 679         case 5: how = "DU"; break; /* deleted by us */
 680         case 6: how = "AA"; break; /* both added */
 681         case 7: how = "UU"; break; /* both modified */
 682         }
 683         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 684         if (null_termination) {
 685                 fprintf(stdout, " %s%c", it->string, 0);
 686         } else {
 687                 struct strbuf onebuf = STRBUF_INIT;
 688                 const char *one;
 689                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 690                 printf(" %s\n", one);
 691                 strbuf_release(&onebuf);
 692         }
 693 }
 694
 695 static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 696                          struct wt_status *s)
 697 {
 698         struct wt_status_change_data *d = it->util;
 699
 700         if (d->index_status)
 701                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 702         else
 703                 putchar(' ');
 704         if (d->worktree_status)
 705                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 706         else
 707                 putchar(' ');
 708         putchar(' ');
 709         if (null_termination) {
 710                 fprintf(stdout, "%s%c", it->string, 0);
 711                 if (d->head_path)
 712                         fprintf(stdout, "%s%c", d->head_path, 0);
 713         } else {
 714                 struct strbuf onebuf = STRBUF_INIT;
 715                 const char *one;
 716                 if (d->head_path) {
 717                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 718                         printf("%s -> ", one);
 719                         strbuf_release(&onebuf);
 720                 }
 721                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 722                 printf("%s\n", one);
 723                 strbuf_release(&onebuf);
 724         }
 725 }
 726
 727 static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
 728                             struct wt_status *s)
 729 {
 730         if (null_termination) {
 731                 fprintf(stdout, "?? %s%c", it->string, 0);
 732         } else {
 733                 struct strbuf onebuf = STRBUF_INIT;
 734                 const char *one;
 735                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 736                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
 737                 printf(" %s\n", one);
 738                 strbuf_release(&onebuf);
 739         }
 740 }
 741
 742 void wt_shortstatus_print(struct wt_status *s, int null_termination)
 743 {
 744         int i;
 745         for (i = 0; i < s->change.nr; i++) {
 746                 struct wt_status_change_data *d;
 747                 struct string_list_item *it;
 748
 749                 it = &(s->change.items[i]);
 750                 d = it->util;
 751                 if (d->stagemask)
 752                         wt_shortstatus_unmerged(null_termination, it, s);
 753                 else
 754                         wt_shortstatus_status(null_termination, it, s);
 755         }
 756         for (i = 0; i < s->untracked.nr; i++) {
 757                 struct string_list_item *it;
 758
 759                 it = &(s->untracked.items[i]);
 760                 wt_shortstatus_untracked(null_termination, it, s);
 761         }
 762 }
 763
 764 void wt_porcelain_print(struct wt_status *s, int null_termination)
 765 {
 766         s->use_color = 0;
 767         s->relative_paths = 0;
 768         s->prefix = NULL;
 769         wt_shortstatus_print(s, null_termination);
 770 }