wt-status.c

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