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