git.oblomov.eu Git - git/blob - wt-status.c

   1 #include "cache.h"
   2 #include "wt-status.h"
   3 #include "object.h"
   4 #include "dir.h"
   5 #include "commit.h"
   6 #include "diff.h"
   7 #include "revision.h"
   8 #include "diffcore.h"
   9 #include "quote.h"
  10 #include "run-command.h"
  11 #include "remote.h"
  12
  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         struct setup_revision_opt opt;
 319
 320         init_revisions(&rev, NULL);
 321         memset(&opt, 0, sizeof(opt));
 322         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 323         setup_revisions(0, NULL, &rev, &opt);
 324
 325         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 326         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 327         rev.diffopt.format_callback_data = s;
 328         rev.diffopt.detect_rename = 1;
 329         rev.diffopt.rename_limit = 200;
 330         rev.diffopt.break_opt = 0;
 331         rev.prune_data = s->pathspec;
 332         run_diff_index(&rev, 1);
 333 }
 334
 335 static void wt_status_collect_changes_initial(struct wt_status *s)
 336 {
 337         int i;
 338
 339         for (i = 0; i < active_nr; i++) {
 340                 struct string_list_item *it;
 341                 struct wt_status_change_data *d;
 342                 struct cache_entry *ce = active_cache[i];
 343
 344                 if (!ce_path_match(ce, s->pathspec))
 345                         continue;
 346                 it = string_list_insert(ce->name, &s->change);
 347                 d = it->util;
 348                 if (!d) {
 349                         d = xcalloc(1, sizeof(*d));
 350                         it->util = d;
 351                 }
 352                 if (ce_stage(ce)) {
 353                         d->index_status = DIFF_STATUS_UNMERGED;
 354                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 355                 }
 356                 else
 357                         d->index_status = DIFF_STATUS_ADDED;
 358         }
 359 }
 360
 361 static void wt_status_collect_untracked(struct wt_status *s)
 362 {
 363         int i;
 364         struct dir_struct dir;
 365
 366         if (!s->show_untracked_files)
 367                 return;
 368         memset(&dir, 0, sizeof(dir));
 369         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 370                 dir.flags |=
 371                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 372         setup_standard_excludes(&dir);
 373
 374         fill_directory(&dir, s->pathspec);
 375         for (i = 0; i < dir.nr; i++) {
 376                 struct dir_entry *ent = dir.entries[i];
 377                 if (!cache_name_is_other(ent->name, ent->len))
 378                         continue;
 379                 if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 380                         continue;
 381                 s->workdir_untracked = 1;
 382                 string_list_insert(ent->name, &s->untracked);
 383         }
 384 }
 385
 386 void wt_status_collect(struct wt_status *s)
 387 {
 388         wt_status_collect_changes_worktree(s);
 389
 390         if (s->is_initial)
 391                 wt_status_collect_changes_initial(s);
 392         else
 393                 wt_status_collect_changes_index(s);
 394         wt_status_collect_untracked(s);
 395 }
 396
 397 static void wt_status_print_unmerged(struct wt_status *s)
 398 {
 399         int shown_header = 0;
 400         int i;
 401
 402         for (i = 0; i < s->change.nr; i++) {
 403                 struct wt_status_change_data *d;
 404                 struct string_list_item *it;
 405                 it = &(s->change.items[i]);
 406                 d = it->util;
 407                 if (!d->stagemask)
 408                         continue;
 409                 if (!shown_header) {
 410                         wt_status_print_unmerged_header(s);
 411                         shown_header = 1;
 412                 }
 413                 wt_status_print_unmerged_data(s, it);
 414         }
 415         if (shown_header)
 416                 wt_status_print_trailer(s);
 417
 418 }
 419
 420 static void wt_status_print_updated(struct wt_status *s)
 421 {
 422         int shown_header = 0;
 423         int i;
 424
 425         for (i = 0; i < s->change.nr; i++) {
 426                 struct wt_status_change_data *d;
 427                 struct string_list_item *it;
 428                 it = &(s->change.items[i]);
 429                 d = it->util;
 430                 if (!d->index_status ||
 431                     d->index_status == DIFF_STATUS_UNMERGED)
 432                         continue;
 433                 if (!shown_header) {
 434                         wt_status_print_cached_header(s);
 435                         s->commitable = 1;
 436                         shown_header = 1;
 437                 }
 438                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 439         }
 440         if (shown_header)
 441                 wt_status_print_trailer(s);
 442 }
 443
 444 /*
 445  * -1 : has delete
 446  *  0 : no change
 447  *  1 : some change but no delete
 448  */
 449 static int wt_status_check_worktree_changes(struct wt_status *s,
 450                                              int *dirty_submodules)
 451 {
 452         int i;
 453         int changes = 0;
 454
 455         *dirty_submodules = 0;
 456
 457         for (i = 0; i < s->change.nr; i++) {
 458                 struct wt_status_change_data *d;
 459                 d = s->change.items[i].util;
 460                 if (!d->worktree_status ||
 461                     d->worktree_status == DIFF_STATUS_UNMERGED)
 462                         continue;
 463                 if (!changes)
 464                         changes = 1;
 465                 if (d->dirty_submodule)
 466                         *dirty_submodules = 1;
 467                 if (d->worktree_status == DIFF_STATUS_DELETED)
 468                         changes = -1;
 469         }
 470         return changes;
 471 }
 472
 473 static void wt_status_print_changed(struct wt_status *s)
 474 {
 475         int i, dirty_submodules;
 476         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 477
 478         if (!worktree_changes)
 479                 return;
 480
 481         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 482
 483         for (i = 0; i < s->change.nr; i++) {
 484                 struct wt_status_change_data *d;
 485                 struct string_list_item *it;
 486                 it = &(s->change.items[i]);
 487                 d = it->util;
 488                 if (!d->worktree_status ||
 489                     d->worktree_status == DIFF_STATUS_UNMERGED)
 490                         continue;
 491                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 492         }
 493         wt_status_print_trailer(s);
 494 }
 495
 496 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 497 {
 498         struct child_process sm_summary;
 499         char summary_limit[64];
 500         char index[PATH_MAX];
 501         const char *env[] = { index, NULL };
 502         const char *argv[] = {
 503                 "submodule",
 504                 "summary",
 505                 uncommitted ? "--files" : "--cached",
 506                 "--for-status",
 507                 "--summary-limit",
 508                 summary_limit,
 509                 uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD"),
 510                 NULL
 511         };
 512
 513         sprintf(summary_limit, "%d", s->submodule_summary);
 514         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 515
 516         memset(&sm_summary, 0, sizeof(sm_summary));
 517         sm_summary.argv = argv;
 518         sm_summary.env = env;
 519         sm_summary.git_cmd = 1;
 520         sm_summary.no_stdin = 1;
 521         fflush(s->fp);
 522         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 523         run_command(&sm_summary);
 524 }
 525
 526 static void wt_status_print_untracked(struct wt_status *s)
 527 {
 528         int i;
 529         struct strbuf buf = STRBUF_INIT;
 530
 531         if (!s->untracked.nr)
 532                 return;
 533
 534         wt_status_print_untracked_header(s);
 535         for (i = 0; i < s->untracked.nr; i++) {
 536                 struct string_list_item *it;
 537                 it = &(s->untracked.items[i]);
 538                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 539                 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 540                                  quote_path(it->string, strlen(it->string),
 541                                             &buf, s->prefix));
 542         }
 543         strbuf_release(&buf);
 544 }
 545
 546 static void wt_status_print_verbose(struct wt_status *s)
 547 {
 548         struct rev_info rev;
 549         struct setup_revision_opt opt;
 550
 551         init_revisions(&rev, NULL);
 552         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 553
 554         memset(&opt, 0, sizeof(opt));
 555         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 556         setup_revisions(0, NULL, &rev, &opt);
 557
 558         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 559         rev.diffopt.detect_rename = 1;
 560         rev.diffopt.file = s->fp;
 561         rev.diffopt.close_file = 0;
 562         /*
 563          * If we're not going to stdout, then we definitely don't
 564          * want color, since we are going to the commit message
 565          * file (and even the "auto" setting won't work, since it
 566          * will have checked isatty on stdout).
 567          */
 568         if (s->fp != stdout)
 569                 DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 570         run_diff_index(&rev, 1);
 571 }
 572
 573 static void wt_status_print_tracking(struct wt_status *s)
 574 {
 575         struct strbuf sb = STRBUF_INIT;
 576         const char *cp, *ep;
 577         struct branch *branch;
 578
 579         assert(s->branch && !s->is_initial);
 580         if (prefixcmp(s->branch, "refs/heads/"))
 581                 return;
 582         branch = branch_get(s->branch + 11);
 583         if (!format_tracking_info(branch, &sb))
 584                 return;
 585
 586         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 587                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 588                                  "# %.*s", (int)(ep - cp), cp);
 589         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 590 }
 591
 592 void wt_status_print(struct wt_status *s)
 593 {
 594         const char *branch_color = color(WT_STATUS_HEADER, s);
 595
 596         if (s->branch) {
 597                 const char *on_what = "On branch ";
 598                 const char *branch_name = s->branch;
 599                 if (!prefixcmp(branch_name, "refs/heads/"))
 600                         branch_name += 11;
 601                 else if (!strcmp(branch_name, "HEAD")) {
 602                         branch_name = "";
 603                         branch_color = color(WT_STATUS_NOBRANCH, s);
 604                         on_what = "Not currently on any branch.";
 605                 }
 606                 color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 607                 color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 608                 if (!s->is_initial)
 609                         wt_status_print_tracking(s);
 610         }
 611
 612         if (s->is_initial) {
 613                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 614                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 615                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 616         }
 617
 618         wt_status_print_updated(s);
 619         wt_status_print_unmerged(s);
 620         wt_status_print_changed(s);
 621         if (s->submodule_summary) {
 622                 wt_status_print_submodule_summary(s, 0);  /* staged */
 623                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
 624         }
 625         if (s->show_untracked_files)
 626                 wt_status_print_untracked(s);
 627         else if (s->commitable)
 628                 fprintf(s->fp, "# Untracked files not listed%s\n",
 629                         advice_status_hints
 630                         ? " (use -u option to show untracked files)" : "");
 631
 632         if (s->verbose)
 633                 wt_status_print_verbose(s);
 634         if (!s->commitable) {
 635                 if (s->amend)
 636                         fprintf(s->fp, "# No changes\n");
 637                 else if (s->nowarn)
 638                         ; /* nothing */
 639                 else if (s->workdir_dirty)
 640                         printf("no changes added to commit%s\n",
 641                                 advice_status_hints
 642                                 ? " (use \"git add\" and/or \"git commit -a\")" : "");
 643                 else if (s->untracked.nr)
 644                         printf("nothing added to commit but untracked files present%s\n",
 645                                 advice_status_hints
 646                                 ? " (use \"git add\" to track)" : "");
 647                 else if (s->is_initial)
 648                         printf("nothing to commit%s\n", advice_status_hints
 649                                 ? " (create/copy files and use \"git add\" to track)" : "");
 650                 else if (!s->show_untracked_files)
 651                         printf("nothing to commit%s\n", advice_status_hints
 652                                 ? " (use -u to show untracked files)" : "");
 653                 else
 654                         printf("nothing to commit%s\n", advice_status_hints
 655                                 ? " (working directory clean)" : "");
 656         }
 657 }
 658
 659 static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 660                            struct wt_status *s)
 661 {
 662         struct wt_status_change_data *d = it->util;
 663         const char *how = "??";
 664
 665         switch (d->stagemask) {
 666         case 1: how = "DD"; break; /* both deleted */
 667         case 2: how = "AU"; break; /* added by us */
 668         case 3: how = "UD"; break; /* deleted by them */
 669         case 4: how = "UA"; break; /* added by them */
 670         case 5: how = "DU"; break; /* deleted by us */
 671         case 6: how = "AA"; break; /* both added */
 672         case 7: how = "UU"; break; /* both modified */
 673         }
 674         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 675         if (null_termination) {
 676                 fprintf(stdout, " %s%c", it->string, 0);
 677         } else {
 678                 struct strbuf onebuf = STRBUF_INIT;
 679                 const char *one;
 680                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 681                 printf(" %s\n", one);
 682                 strbuf_release(&onebuf);
 683         }
 684 }
 685
 686 static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 687                          struct wt_status *s)
 688 {
 689         struct wt_status_change_data *d = it->util;
 690
 691         if (d->index_status)
 692                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 693         else
 694                 putchar(' ');
 695         if (d->worktree_status)
 696                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 697         else
 698                 putchar(' ');
 699         putchar(' ');
 700         if (null_termination) {
 701                 fprintf(stdout, "%s%c", it->string, 0);
 702                 if (d->head_path)
 703                         fprintf(stdout, "%s%c", d->head_path, 0);
 704         } else {
 705                 struct strbuf onebuf = STRBUF_INIT;
 706                 const char *one;
 707                 if (d->head_path) {
 708                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 709                         printf("%s -> ", one);
 710                         strbuf_release(&onebuf);
 711                 }
 712                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 713                 printf("%s\n", one);
 714                 strbuf_release(&onebuf);
 715         }
 716 }
 717
 718 static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
 719                             struct wt_status *s)
 720 {
 721         if (null_termination) {
 722                 fprintf(stdout, "?? %s%c", it->string, 0);
 723         } else {
 724                 struct strbuf onebuf = STRBUF_INIT;
 725                 const char *one;
 726                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 727                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
 728                 printf(" %s\n", one);
 729                 strbuf_release(&onebuf);
 730         }
 731 }
 732
 733 void wt_shortstatus_print(struct wt_status *s, int null_termination)
 734 {
 735         int i;
 736         for (i = 0; i < s->change.nr; i++) {
 737                 struct wt_status_change_data *d;
 738                 struct string_list_item *it;
 739
 740                 it = &(s->change.items[i]);
 741                 d = it->util;
 742                 if (d->stagemask)
 743                         wt_shortstatus_unmerged(null_termination, it, s);
 744                 else
 745                         wt_shortstatus_status(null_termination, it, s);
 746         }
 747         for (i = 0; i < s->untracked.nr; i++) {
 748                 struct string_list_item *it;
 749
 750                 it = &(s->untracked.items[i]);
 751                 wt_shortstatus_untracked(null_termination, it, s);
 752         }
 753 }
 754
 755 void wt_porcelain_print(struct wt_status *s, int null_termination)
 756 {
 757         s->use_color = 0;
 758         s->relative_paths = 0;
 759         s->prefix = NULL;
 760         wt_shortstatus_print(s, null_termination);
 761 }