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 "argv-array.h"
  12 #include "remote.h"
  13 #include "refs.h"
  14 #include "submodule.h"
  15 #include "column.h"
  16 #include "strbuf.h"
  17
  18 static char default_wt_status_colors[][COLOR_MAXLEN] = {
  19         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  20         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  21         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  22         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  23         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  24         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  25         GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  26         GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  27         GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  28 };
  29
  30 static const char *color(int slot, struct wt_status *s)
  31 {
  32         const char *c = "";
  33         if (want_color(s->use_color))
  34                 c = s->color_palette[slot];
  35         if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  36                 c = s->color_palette[WT_STATUS_HEADER];
  37         return c;
  38 }
  39
  40 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  41                 const char *fmt, va_list ap, const char *trail)
  42 {
  43         struct strbuf sb = STRBUF_INIT;
  44         struct strbuf linebuf = STRBUF_INIT;
  45         const char *line, *eol;
  46
  47         strbuf_vaddf(&sb, fmt, ap);
  48         if (!sb.len) {
  49                 strbuf_addch(&sb, comment_line_char);
  50                 if (!trail)
  51                         strbuf_addch(&sb, ' ');
  52                 color_print_strbuf(s->fp, color, &sb);
  53                 if (trail)
  54                         fprintf(s->fp, "%s", trail);
  55                 strbuf_release(&sb);
  56                 return;
  57         }
  58         for (line = sb.buf; *line; line = eol + 1) {
  59                 eol = strchr(line, '\n');
  60
  61                 strbuf_reset(&linebuf);
  62                 if (at_bol) {
  63                         strbuf_addch(&linebuf, comment_line_char);
  64                         if (*line != '\n' && *line != '\t')
  65                                 strbuf_addch(&linebuf, ' ');
  66                 }
  67                 if (eol)
  68                         strbuf_add(&linebuf, line, eol - line);
  69                 else
  70                         strbuf_addstr(&linebuf, line);
  71                 color_print_strbuf(s->fp, color, &linebuf);
  72                 if (eol)
  73                         fprintf(s->fp, "\n");
  74                 else
  75                         break;
  76                 at_bol = 1;
  77         }
  78         if (trail)
  79                 fprintf(s->fp, "%s", trail);
  80         strbuf_release(&linebuf);
  81         strbuf_release(&sb);
  82 }
  83
  84 void status_printf_ln(struct wt_status *s, const char *color,
  85                         const char *fmt, ...)
  86 {
  87         va_list ap;
  88
  89         va_start(ap, fmt);
  90         status_vprintf(s, 1, color, fmt, ap, "\n");
  91         va_end(ap);
  92 }
  93
  94 void status_printf(struct wt_status *s, const char *color,
  95                         const char *fmt, ...)
  96 {
  97         va_list ap;
  98
  99         va_start(ap, fmt);
 100         status_vprintf(s, 1, color, fmt, ap, NULL);
 101         va_end(ap);
 102 }
 103
 104 static void status_printf_more(struct wt_status *s, const char *color,
 105                                const char *fmt, ...)
 106 {
 107         va_list ap;
 108
 109         va_start(ap, fmt);
 110         status_vprintf(s, 0, color, fmt, ap, NULL);
 111         va_end(ap);
 112 }
 113
 114 void wt_status_prepare(struct wt_status *s)
 115 {
 116         unsigned char sha1[20];
 117
 118         memset(s, 0, sizeof(*s));
 119         memcpy(s->color_palette, default_wt_status_colors,
 120                sizeof(default_wt_status_colors));
 121         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 122         s->use_color = -1;
 123         s->relative_paths = 1;
 124         s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 125         s->reference = "HEAD";
 126         s->fp = stdout;
 127         s->index_file = get_index_file();
 128         s->change.strdup_strings = 1;
 129         s->untracked.strdup_strings = 1;
 130         s->ignored.strdup_strings = 1;
 131         s->show_branch = -1;  /* unspecified */
 132 }
 133
 134 static void wt_status_print_unmerged_header(struct wt_status *s)
 135 {
 136         int i;
 137         int del_mod_conflict = 0;
 138         int both_deleted = 0;
 139         int not_deleted = 0;
 140         const char *c = color(WT_STATUS_HEADER, s);
 141
 142         status_printf_ln(s, c, _("Unmerged paths:"));
 143
 144         for (i = 0; i < s->change.nr; i++) {
 145                 struct string_list_item *it = &(s->change.items[i]);
 146                 struct wt_status_change_data *d = it->util;
 147
 148                 switch (d->stagemask) {
 149                 case 0:
 150                         break;
 151                 case 1:
 152                         both_deleted = 1;
 153                         break;
 154                 case 3:
 155                 case 5:
 156                         del_mod_conflict = 1;
 157                         break;
 158                 default:
 159                         not_deleted = 1;
 160                         break;
 161                 }
 162         }
 163
 164         if (!advice_status_hints)
 165                 return;
 166         if (s->whence != FROM_COMMIT)
 167                 ;
 168         else if (!s->is_initial)
 169                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 170         else
 171                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 172
 173         if (!both_deleted) {
 174                 if (!del_mod_conflict)
 175                         status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 176                 else
 177                         status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 178         } else if (!del_mod_conflict && !not_deleted) {
 179                 status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 180         } else {
 181                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 182         }
 183         status_printf_ln(s, c, "");
 184 }
 185
 186 static void wt_status_print_cached_header(struct wt_status *s)
 187 {
 188         const char *c = color(WT_STATUS_HEADER, s);
 189
 190         status_printf_ln(s, c, _("Changes to be committed:"));
 191         if (!advice_status_hints)
 192                 return;
 193         if (s->whence != FROM_COMMIT)
 194                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
 195         else if (!s->is_initial)
 196                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 197         else
 198                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 199         status_printf_ln(s, c, "");
 200 }
 201
 202 static void wt_status_print_dirty_header(struct wt_status *s,
 203                                          int has_deleted,
 204                                          int has_dirty_submodules)
 205 {
 206         const char *c = color(WT_STATUS_HEADER, s);
 207
 208         status_printf_ln(s, c, _("Changes not staged for commit:"));
 209         if (!advice_status_hints)
 210                 return;
 211         if (!has_deleted)
 212                 status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 213         else
 214                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 215         status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 216         if (has_dirty_submodules)
 217                 status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 218         status_printf_ln(s, c, "");
 219 }
 220
 221 static void wt_status_print_other_header(struct wt_status *s,
 222                                          const char *what,
 223                                          const char *how)
 224 {
 225         const char *c = color(WT_STATUS_HEADER, s);
 226         status_printf_ln(s, c, "%s:", what);
 227         if (!advice_status_hints)
 228                 return;
 229         status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 230         status_printf_ln(s, c, "");
 231 }
 232
 233 static void wt_status_print_trailer(struct wt_status *s)
 234 {
 235         status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 236 }
 237
 238 #define quote_path quote_path_relative
 239
 240 static void wt_status_print_unmerged_data(struct wt_status *s,
 241                                           struct string_list_item *it)
 242 {
 243         const char *c = color(WT_STATUS_UNMERGED, s);
 244         struct wt_status_change_data *d = it->util;
 245         struct strbuf onebuf = STRBUF_INIT;
 246         const char *one, *how = _("bug");
 247
 248         one = quote_path(it->string, s->prefix, &onebuf);
 249         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 250         switch (d->stagemask) {
 251         case 1: how = _("both deleted:"); break;
 252         case 2: how = _("added by us:"); break;
 253         case 3: how = _("deleted by them:"); break;
 254         case 4: how = _("added by them:"); break;
 255         case 5: how = _("deleted by us:"); break;
 256         case 6: how = _("both added:"); break;
 257         case 7: how = _("both modified:"); break;
 258         }
 259         status_printf_more(s, c, "%-20s%s\n", how, one);
 260         strbuf_release(&onebuf);
 261 }
 262
 263 static void wt_status_print_change_data(struct wt_status *s,
 264                                         int change_type,
 265                                         struct string_list_item *it)
 266 {
 267         struct wt_status_change_data *d = it->util;
 268         const char *c = color(change_type, s);
 269         int status;
 270         char *one_name;
 271         char *two_name;
 272         const char *one, *two;
 273         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 274         struct strbuf extra = STRBUF_INIT;
 275
 276         one_name = two_name = it->string;
 277         switch (change_type) {
 278         case WT_STATUS_UPDATED:
 279                 status = d->index_status;
 280                 if (d->head_path)
 281                         one_name = d->head_path;
 282                 break;
 283         case WT_STATUS_CHANGED:
 284                 if (d->new_submodule_commits || d->dirty_submodule) {
 285                         strbuf_addstr(&extra, " (");
 286                         if (d->new_submodule_commits)
 287                                 strbuf_addf(&extra, _("new commits, "));
 288                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 289                                 strbuf_addf(&extra, _("modified content, "));
 290                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 291                                 strbuf_addf(&extra, _("untracked content, "));
 292                         strbuf_setlen(&extra, extra.len - 2);
 293                         strbuf_addch(&extra, ')');
 294                 }
 295                 status = d->worktree_status;
 296                 break;
 297         default:
 298                 die("BUG: unhandled change_type %d in wt_status_print_change_data",
 299                     change_type);
 300         }
 301
 302         one = quote_path(one_name, s->prefix, &onebuf);
 303         two = quote_path(two_name, s->prefix, &twobuf);
 304
 305         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 306         switch (status) {
 307         case DIFF_STATUS_ADDED:
 308                 status_printf_more(s, c, _("new file:   %s"), one);
 309                 break;
 310         case DIFF_STATUS_COPIED:
 311                 status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 312                 break;
 313         case DIFF_STATUS_DELETED:
 314                 status_printf_more(s, c, _("deleted:    %s"), one);
 315                 break;
 316         case DIFF_STATUS_MODIFIED:
 317                 status_printf_more(s, c, _("modified:   %s"), one);
 318                 break;
 319         case DIFF_STATUS_RENAMED:
 320                 status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 321                 break;
 322         case DIFF_STATUS_TYPE_CHANGED:
 323                 status_printf_more(s, c, _("typechange: %s"), one);
 324                 break;
 325         case DIFF_STATUS_UNKNOWN:
 326                 status_printf_more(s, c, _("unknown:    %s"), one);
 327                 break;
 328         case DIFF_STATUS_UNMERGED:
 329                 status_printf_more(s, c, _("unmerged:   %s"), one);
 330                 break;
 331         default:
 332                 die(_("bug: unhandled diff status %c"), status);
 333         }
 334         if (extra.len) {
 335                 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 336                 strbuf_release(&extra);
 337         }
 338         status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 339         strbuf_release(&onebuf);
 340         strbuf_release(&twobuf);
 341 }
 342
 343 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 344                                          struct diff_options *options,
 345                                          void *data)
 346 {
 347         struct wt_status *s = data;
 348         int i;
 349
 350         if (!q->nr)
 351                 return;
 352         s->workdir_dirty = 1;
 353         for (i = 0; i < q->nr; i++) {
 354                 struct diff_filepair *p;
 355                 struct string_list_item *it;
 356                 struct wt_status_change_data *d;
 357
 358                 p = q->queue[i];
 359                 it = string_list_insert(&s->change, p->one->path);
 360                 d = it->util;
 361                 if (!d) {
 362                         d = xcalloc(1, sizeof(*d));
 363                         it->util = d;
 364                 }
 365                 if (!d->worktree_status)
 366                         d->worktree_status = p->status;
 367                 d->dirty_submodule = p->two->dirty_submodule;
 368                 if (S_ISGITLINK(p->two->mode))
 369                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 370         }
 371 }
 372
 373 static int unmerged_mask(const char *path)
 374 {
 375         int pos, mask;
 376         const struct cache_entry *ce;
 377
 378         pos = cache_name_pos(path, strlen(path));
 379         if (0 <= pos)
 380                 return 0;
 381
 382         mask = 0;
 383         pos = -pos-1;
 384         while (pos < active_nr) {
 385                 ce = active_cache[pos++];
 386                 if (strcmp(ce->name, path) || !ce_stage(ce))
 387                         break;
 388                 mask |= (1 << (ce_stage(ce) - 1));
 389         }
 390         return mask;
 391 }
 392
 393 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 394                                          struct diff_options *options,
 395                                          void *data)
 396 {
 397         struct wt_status *s = data;
 398         int i;
 399
 400         for (i = 0; i < q->nr; i++) {
 401                 struct diff_filepair *p;
 402                 struct string_list_item *it;
 403                 struct wt_status_change_data *d;
 404
 405                 p = q->queue[i];
 406                 it = string_list_insert(&s->change, p->two->path);
 407                 d = it->util;
 408                 if (!d) {
 409                         d = xcalloc(1, sizeof(*d));
 410                         it->util = d;
 411                 }
 412                 if (!d->index_status)
 413                         d->index_status = p->status;
 414                 switch (p->status) {
 415                 case DIFF_STATUS_COPIED:
 416                 case DIFF_STATUS_RENAMED:
 417                         d->head_path = xstrdup(p->one->path);
 418                         break;
 419                 case DIFF_STATUS_UNMERGED:
 420                         d->stagemask = unmerged_mask(p->two->path);
 421                         break;
 422                 }
 423         }
 424 }
 425
 426 static void wt_status_collect_changes_worktree(struct wt_status *s)
 427 {
 428         struct rev_info rev;
 429
 430         init_revisions(&rev, NULL);
 431         setup_revisions(0, NULL, &rev, NULL);
 432         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 433         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 434         if (!s->show_untracked_files)
 435                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 436         if (s->ignore_submodule_arg) {
 437                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 438                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 439         }
 440         rev.diffopt.format_callback = wt_status_collect_changed_cb;
 441         rev.diffopt.format_callback_data = s;
 442         init_pathspec(&rev.prune_data, s->pathspec);
 443         run_diff_files(&rev, 0);
 444 }
 445
 446 static void wt_status_collect_changes_index(struct wt_status *s)
 447 {
 448         struct rev_info rev;
 449         struct setup_revision_opt opt;
 450
 451         init_revisions(&rev, NULL);
 452         memset(&opt, 0, sizeof(opt));
 453         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 454         setup_revisions(0, NULL, &rev, &opt);
 455
 456         if (s->ignore_submodule_arg) {
 457                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 458                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 459         }
 460
 461         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 462         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 463         rev.diffopt.format_callback_data = s;
 464         rev.diffopt.detect_rename = 1;
 465         rev.diffopt.rename_limit = 200;
 466         rev.diffopt.break_opt = 0;
 467         init_pathspec(&rev.prune_data, s->pathspec);
 468         run_diff_index(&rev, 1);
 469 }
 470
 471 static void wt_status_collect_changes_initial(struct wt_status *s)
 472 {
 473         struct pathspec pathspec;
 474         int i;
 475
 476         init_pathspec(&pathspec, s->pathspec);
 477         for (i = 0; i < active_nr; i++) {
 478                 struct string_list_item *it;
 479                 struct wt_status_change_data *d;
 480                 const struct cache_entry *ce = active_cache[i];
 481
 482                 if (!ce_path_match(ce, &pathspec))
 483                         continue;
 484                 it = string_list_insert(&s->change, ce->name);
 485                 d = it->util;
 486                 if (!d) {
 487                         d = xcalloc(1, sizeof(*d));
 488                         it->util = d;
 489                 }
 490                 if (ce_stage(ce)) {
 491                         d->index_status = DIFF_STATUS_UNMERGED;
 492                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 493                 }
 494                 else
 495                         d->index_status = DIFF_STATUS_ADDED;
 496         }
 497         free_pathspec(&pathspec);
 498 }
 499
 500 static void wt_status_collect_untracked(struct wt_status *s)
 501 {
 502         int i;
 503         struct dir_struct dir;
 504         struct timeval t_begin;
 505
 506         if (!s->show_untracked_files)
 507                 return;
 508
 509         if (advice_status_u_option)
 510                 gettimeofday(&t_begin, NULL);
 511
 512         memset(&dir, 0, sizeof(dir));
 513         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 514                 dir.flags |=
 515                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 516         if (s->show_ignored_files)
 517                 dir.flags |= DIR_SHOW_IGNORED_TOO;
 518         setup_standard_excludes(&dir);
 519
 520         fill_directory(&dir, s->pathspec);
 521
 522         for (i = 0; i < dir.nr; i++) {
 523                 struct dir_entry *ent = dir.entries[i];
 524                 if (cache_name_is_other(ent->name, ent->len) &&
 525                     match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 526                         string_list_insert(&s->untracked, ent->name);
 527                 free(ent);
 528         }
 529
 530         for (i = 0; i < dir.ignored_nr; i++) {
 531                 struct dir_entry *ent = dir.ignored[i];
 532                 if (cache_name_is_other(ent->name, ent->len) &&
 533                     match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 534                         string_list_insert(&s->ignored, ent->name);
 535                 free(ent);
 536         }
 537
 538         free(dir.entries);
 539         free(dir.ignored);
 540         clear_directory(&dir);
 541
 542         if (advice_status_u_option) {
 543                 struct timeval t_end;
 544                 gettimeofday(&t_end, NULL);
 545                 s->untracked_in_ms =
 546                         (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 547                         ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 548         }
 549 }
 550
 551 void wt_status_collect(struct wt_status *s)
 552 {
 553         wt_status_collect_changes_worktree(s);
 554
 555         if (s->is_initial)
 556                 wt_status_collect_changes_initial(s);
 557         else
 558                 wt_status_collect_changes_index(s);
 559         wt_status_collect_untracked(s);
 560 }
 561
 562 static void wt_status_print_unmerged(struct wt_status *s)
 563 {
 564         int shown_header = 0;
 565         int i;
 566
 567         for (i = 0; i < s->change.nr; i++) {
 568                 struct wt_status_change_data *d;
 569                 struct string_list_item *it;
 570                 it = &(s->change.items[i]);
 571                 d = it->util;
 572                 if (!d->stagemask)
 573                         continue;
 574                 if (!shown_header) {
 575                         wt_status_print_unmerged_header(s);
 576                         shown_header = 1;
 577                 }
 578                 wt_status_print_unmerged_data(s, it);
 579         }
 580         if (shown_header)
 581                 wt_status_print_trailer(s);
 582
 583 }
 584
 585 static void wt_status_print_updated(struct wt_status *s)
 586 {
 587         int shown_header = 0;
 588         int i;
 589
 590         for (i = 0; i < s->change.nr; i++) {
 591                 struct wt_status_change_data *d;
 592                 struct string_list_item *it;
 593                 it = &(s->change.items[i]);
 594                 d = it->util;
 595                 if (!d->index_status ||
 596                     d->index_status == DIFF_STATUS_UNMERGED)
 597                         continue;
 598                 if (!shown_header) {
 599                         wt_status_print_cached_header(s);
 600                         s->commitable = 1;
 601                         shown_header = 1;
 602                 }
 603                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 604         }
 605         if (shown_header)
 606                 wt_status_print_trailer(s);
 607 }
 608
 609 /*
 610  * -1 : has delete
 611  *  0 : no change
 612  *  1 : some change but no delete
 613  */
 614 static int wt_status_check_worktree_changes(struct wt_status *s,
 615                                              int *dirty_submodules)
 616 {
 617         int i;
 618         int changes = 0;
 619
 620         *dirty_submodules = 0;
 621
 622         for (i = 0; i < s->change.nr; i++) {
 623                 struct wt_status_change_data *d;
 624                 d = s->change.items[i].util;
 625                 if (!d->worktree_status ||
 626                     d->worktree_status == DIFF_STATUS_UNMERGED)
 627                         continue;
 628                 if (!changes)
 629                         changes = 1;
 630                 if (d->dirty_submodule)
 631                         *dirty_submodules = 1;
 632                 if (d->worktree_status == DIFF_STATUS_DELETED)
 633                         changes = -1;
 634         }
 635         return changes;
 636 }
 637
 638 static void wt_status_print_changed(struct wt_status *s)
 639 {
 640         int i, dirty_submodules;
 641         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 642
 643         if (!worktree_changes)
 644                 return;
 645
 646         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 647
 648         for (i = 0; i < s->change.nr; i++) {
 649                 struct wt_status_change_data *d;
 650                 struct string_list_item *it;
 651                 it = &(s->change.items[i]);
 652                 d = it->util;
 653                 if (!d->worktree_status ||
 654                     d->worktree_status == DIFF_STATUS_UNMERGED)
 655                         continue;
 656                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 657         }
 658         wt_status_print_trailer(s);
 659 }
 660
 661 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 662 {
 663         struct child_process sm_summary;
 664         char summary_limit[64];
 665         char index[PATH_MAX];
 666         const char *env[] = { NULL, NULL };
 667         struct argv_array argv = ARGV_ARRAY_INIT;
 668         struct strbuf cmd_stdout = STRBUF_INIT;
 669         struct strbuf summary = STRBUF_INIT;
 670         char *summary_content;
 671         size_t len;
 672
 673         sprintf(summary_limit, "%d", s->submodule_summary);
 674         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 675
 676         env[0] = index;
 677         argv_array_push(&argv, "submodule");
 678         argv_array_push(&argv, "summary");
 679         argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 680         argv_array_push(&argv, "--for-status");
 681         argv_array_push(&argv, "--summary-limit");
 682         argv_array_push(&argv, summary_limit);
 683         if (!uncommitted)
 684                 argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 685
 686         memset(&sm_summary, 0, sizeof(sm_summary));
 687         sm_summary.argv = argv.argv;
 688         sm_summary.env = env;
 689         sm_summary.git_cmd = 1;
 690         sm_summary.no_stdin = 1;
 691         fflush(s->fp);
 692         sm_summary.out = -1;
 693
 694         run_command(&sm_summary);
 695         argv_array_clear(&argv);
 696
 697         len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 698
 699         /* prepend header, only if there's an actual output */
 700         if (len) {
 701                 if (uncommitted)
 702                         strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 703                 else
 704                         strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 705                 strbuf_addstr(&summary, "\n\n");
 706         }
 707         strbuf_addbuf(&summary, &cmd_stdout);
 708         strbuf_release(&cmd_stdout);
 709
 710         summary_content = strbuf_detach(&summary, &len);
 711         strbuf_add_commented_lines(&summary, summary_content, len);
 712         free(summary_content);
 713
 714         fputs(summary.buf, s->fp);
 715         strbuf_release(&summary);
 716 }
 717
 718 static void wt_status_print_other(struct wt_status *s,
 719                                   struct string_list *l,
 720                                   const char *what,
 721                                   const char *how)
 722 {
 723         int i;
 724         struct strbuf buf = STRBUF_INIT;
 725         static struct string_list output = STRING_LIST_INIT_DUP;
 726         struct column_options copts;
 727
 728         if (!l->nr)
 729                 return;
 730
 731         wt_status_print_other_header(s, what, how);
 732
 733         for (i = 0; i < l->nr; i++) {
 734                 struct string_list_item *it;
 735                 const char *path;
 736                 it = &(l->items[i]);
 737                 path = quote_path(it->string, s->prefix, &buf);
 738                 if (column_active(s->colopts)) {
 739                         string_list_append(&output, path);
 740                         continue;
 741                 }
 742                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 743                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 744                                    "%s\n", path);
 745         }
 746
 747         strbuf_release(&buf);
 748         if (!column_active(s->colopts))
 749                 return;
 750
 751         strbuf_addf(&buf, "%s#\t%s",
 752                     color(WT_STATUS_HEADER, s),
 753                     color(WT_STATUS_UNTRACKED, s));
 754         memset(&copts, 0, sizeof(copts));
 755         copts.padding = 1;
 756         copts.indent = buf.buf;
 757         if (want_color(s->use_color))
 758                 copts.nl = GIT_COLOR_RESET "\n";
 759         print_columns(&output, s->colopts, &copts);
 760         string_list_clear(&output, 0);
 761         strbuf_release(&buf);
 762 }
 763
 764 static void wt_status_print_verbose(struct wt_status *s)
 765 {
 766         struct rev_info rev;
 767         struct setup_revision_opt opt;
 768
 769         init_revisions(&rev, NULL);
 770         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 771
 772         memset(&opt, 0, sizeof(opt));
 773         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 774         setup_revisions(0, NULL, &rev, &opt);
 775
 776         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 777         rev.diffopt.detect_rename = 1;
 778         rev.diffopt.file = s->fp;
 779         rev.diffopt.close_file = 0;
 780         /*
 781          * If we're not going to stdout, then we definitely don't
 782          * want color, since we are going to the commit message
 783          * file (and even the "auto" setting won't work, since it
 784          * will have checked isatty on stdout).
 785          */
 786         if (s->fp != stdout)
 787                 rev.diffopt.use_color = 0;
 788         run_diff_index(&rev, 1);
 789 }
 790
 791 static void wt_status_print_tracking(struct wt_status *s)
 792 {
 793         struct strbuf sb = STRBUF_INIT;
 794         const char *cp, *ep;
 795         struct branch *branch;
 796
 797         assert(s->branch && !s->is_initial);
 798         if (prefixcmp(s->branch, "refs/heads/"))
 799                 return;
 800         branch = branch_get(s->branch + 11);
 801         if (!format_tracking_info(branch, &sb))
 802                 return;
 803
 804         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 805                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 806                                  "%c %.*s", comment_line_char,
 807                                  (int)(ep - cp), cp);
 808         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 809                          comment_line_char);
 810 }
 811
 812 static int has_unmerged(struct wt_status *s)
 813 {
 814         int i;
 815
 816         for (i = 0; i < s->change.nr; i++) {
 817                 struct wt_status_change_data *d;
 818                 d = s->change.items[i].util;
 819                 if (d->stagemask)
 820                         return 1;
 821         }
 822         return 0;
 823 }
 824
 825 static void show_merge_in_progress(struct wt_status *s,
 826                                 struct wt_status_state *state,
 827                                 const char *color)
 828 {
 829         if (has_unmerged(s)) {
 830                 status_printf_ln(s, color, _("You have unmerged paths."));
 831                 if (advice_status_hints)
 832                         status_printf_ln(s, color,
 833                                 _("  (fix conflicts and run \"git commit\")"));
 834         } else {
 835                 status_printf_ln(s, color,
 836                         _("All conflicts fixed but you are still merging."));
 837                 if (advice_status_hints)
 838                         status_printf_ln(s, color,
 839                                 _("  (use \"git commit\" to conclude merge)"));
 840         }
 841         wt_status_print_trailer(s);
 842 }
 843
 844 static void show_am_in_progress(struct wt_status *s,
 845                                 struct wt_status_state *state,
 846                                 const char *color)
 847 {
 848         status_printf_ln(s, color,
 849                 _("You are in the middle of an am session."));
 850         if (state->am_empty_patch)
 851                 status_printf_ln(s, color,
 852                         _("The current patch is empty."));
 853         if (advice_status_hints) {
 854                 if (!state->am_empty_patch)
 855                         status_printf_ln(s, color,
 856                                 _("  (fix conflicts and then run \"git am --continue\")"));
 857                 status_printf_ln(s, color,
 858                         _("  (use \"git am --skip\" to skip this patch)"));
 859                 status_printf_ln(s, color,
 860                         _("  (use \"git am --abort\" to restore the original branch)"));
 861         }
 862         wt_status_print_trailer(s);
 863 }
 864
 865 static char *read_line_from_git_path(const char *filename)
 866 {
 867         struct strbuf buf = STRBUF_INIT;
 868         FILE *fp = fopen(git_path("%s", filename), "r");
 869         if (!fp) {
 870                 strbuf_release(&buf);
 871                 return NULL;
 872         }
 873         strbuf_getline(&buf, fp, '\n');
 874         if (!fclose(fp)) {
 875                 return strbuf_detach(&buf, NULL);
 876         } else {
 877                 strbuf_release(&buf);
 878                 return NULL;
 879         }
 880 }
 881
 882 static int split_commit_in_progress(struct wt_status *s)
 883 {
 884         int split_in_progress = 0;
 885         char *head = read_line_from_git_path("HEAD");
 886         char *orig_head = read_line_from_git_path("ORIG_HEAD");
 887         char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 888         char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 889
 890         if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 891             !s->branch || strcmp(s->branch, "HEAD"))
 892                 return split_in_progress;
 893
 894         if (!strcmp(rebase_amend, rebase_orig_head)) {
 895                 if (strcmp(head, rebase_amend))
 896                         split_in_progress = 1;
 897         } else if (strcmp(orig_head, rebase_orig_head)) {
 898                 split_in_progress = 1;
 899         }
 900
 901         if (!s->amend && !s->nowarn && !s->workdir_dirty)
 902                 split_in_progress = 0;
 903
 904         free(head);
 905         free(orig_head);
 906         free(rebase_amend);
 907         free(rebase_orig_head);
 908         return split_in_progress;
 909 }
 910
 911 static void show_rebase_in_progress(struct wt_status *s,
 912                                 struct wt_status_state *state,
 913                                 const char *color)
 914 {
 915         struct stat st;
 916
 917         if (has_unmerged(s)) {
 918                 if (state->branch)
 919                         status_printf_ln(s, color,
 920                                          _("You are currently rebasing branch '%s' on '%s'."),
 921                                          state->branch,
 922                                          state->onto);
 923                 else
 924                         status_printf_ln(s, color,
 925                                          _("You are currently rebasing."));
 926                 if (advice_status_hints) {
 927                         status_printf_ln(s, color,
 928                                 _("  (fix conflicts and then run \"git rebase --continue\")"));
 929                         status_printf_ln(s, color,
 930                                 _("  (use \"git rebase --skip\" to skip this patch)"));
 931                         status_printf_ln(s, color,
 932                                 _("  (use \"git rebase --abort\" to check out the original branch)"));
 933                 }
 934         } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 935                 if (state->branch)
 936                         status_printf_ln(s, color,
 937                                          _("You are currently rebasing branch '%s' on '%s'."),
 938                                          state->branch,
 939                                          state->onto);
 940                 else
 941                         status_printf_ln(s, color,
 942                                          _("You are currently rebasing."));
 943                 if (advice_status_hints)
 944                         status_printf_ln(s, color,
 945                                 _("  (all conflicts fixed: run \"git rebase --continue\")"));
 946         } else if (split_commit_in_progress(s)) {
 947                 if (state->branch)
 948                         status_printf_ln(s, color,
 949                                          _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 950                                          state->branch,
 951                                          state->onto);
 952                 else
 953                         status_printf_ln(s, color,
 954                                          _("You are currently splitting a commit during a rebase."));
 955                 if (advice_status_hints)
 956                         status_printf_ln(s, color,
 957                                 _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 958         } else {
 959                 if (state->branch)
 960                         status_printf_ln(s, color,
 961                                          _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 962                                          state->branch,
 963                                          state->onto);
 964                 else
 965                         status_printf_ln(s, color,
 966                                          _("You are currently editing a commit during a rebase."));
 967                 if (advice_status_hints && !s->amend) {
 968                         status_printf_ln(s, color,
 969                                 _("  (use \"git commit --amend\" to amend the current commit)"));
 970                         status_printf_ln(s, color,
 971                                 _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 972                 }
 973         }
 974         wt_status_print_trailer(s);
 975 }
 976
 977 static void show_cherry_pick_in_progress(struct wt_status *s,
 978                                         struct wt_status_state *state,
 979                                         const char *color)
 980 {
 981         status_printf_ln(s, color, _("You are currently cherry-picking."));
 982         if (advice_status_hints) {
 983                 if (has_unmerged(s))
 984                         status_printf_ln(s, color,
 985                                 _("  (fix conflicts and run \"git cherry-pick --continue\")"));
 986                 else
 987                         status_printf_ln(s, color,
 988                                 _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
 989                 status_printf_ln(s, color,
 990                         _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
 991         }
 992         wt_status_print_trailer(s);
 993 }
 994
 995 static void show_revert_in_progress(struct wt_status *s,
 996                                         struct wt_status_state *state,
 997                                         const char *color)
 998 {
 999         status_printf_ln(s, color, _("You are currently reverting commit %s."),
1000                          find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1001         if (advice_status_hints) {
1002                 if (has_unmerged(s))
1003                         status_printf_ln(s, color,
1004                                 _("  (fix conflicts and run \"git revert --continue\")"));
1005                 else
1006                         status_printf_ln(s, color,
1007                                 _("  (all conflicts fixed: run \"git revert --continue\")"));
1008                 status_printf_ln(s, color,
1009                         _("  (use \"git revert --abort\" to cancel the revert operation)"));
1010         }
1011         wt_status_print_trailer(s);
1012 }
1013
1014 static void show_bisect_in_progress(struct wt_status *s,
1015                                 struct wt_status_state *state,
1016                                 const char *color)
1017 {
1018         if (state->branch)
1019                 status_printf_ln(s, color,
1020                                  _("You are currently bisecting, started from branch '%s'."),
1021                                  state->branch);
1022         else
1023                 status_printf_ln(s, color,
1024                                  _("You are currently bisecting."));
1025         if (advice_status_hints)
1026                 status_printf_ln(s, color,
1027                         _("  (use \"git bisect reset\" to get back to the original branch)"));
1028         wt_status_print_trailer(s);
1029 }
1030
1031 /*
1032  * Extract branch information from rebase/bisect
1033  */
1034 static char *read_and_strip_branch(const char *path)
1035 {
1036         struct strbuf sb = STRBUF_INIT;
1037         unsigned char sha1[20];
1038
1039         if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1040                 goto got_nothing;
1041
1042         while (&sb.len && sb.buf[sb.len - 1] == '\n')
1043                 strbuf_setlen(&sb, sb.len - 1);
1044         if (!sb.len)
1045                 goto got_nothing;
1046         if (!prefixcmp(sb.buf, "refs/heads/"))
1047                 strbuf_remove(&sb,0, strlen("refs/heads/"));
1048         else if (!prefixcmp(sb.buf, "refs/"))
1049                 ;
1050         else if (!get_sha1_hex(sb.buf, sha1)) {
1051                 const char *abbrev;
1052                 abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1053                 strbuf_reset(&sb);
1054                 strbuf_addstr(&sb, abbrev);
1055         } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1056                 goto got_nothing;
1057         else                    /* bisect */
1058                 ;
1059         return strbuf_detach(&sb, NULL);
1060
1061 got_nothing:
1062         strbuf_release(&sb);
1063         return NULL;
1064 }
1065
1066 struct grab_1st_switch_cbdata {
1067         struct strbuf buf;
1068         unsigned char nsha1[20];
1069 };
1070
1071 static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1072                            const char *email, unsigned long timestamp, int tz,
1073                            const char *message, void *cb_data)
1074 {
1075         struct grab_1st_switch_cbdata *cb = cb_data;
1076         const char *target = NULL, *end;
1077
1078         if (prefixcmp(message, "checkout: moving from "))
1079                 return 0;
1080         message += strlen("checkout: moving from ");
1081         target = strstr(message, " to ");
1082         if (!target)
1083                 return 0;
1084         target += strlen(" to ");
1085         strbuf_reset(&cb->buf);
1086         hashcpy(cb->nsha1, nsha1);
1087         for (end = target; *end && *end != '\n'; end++)
1088                 ;
1089         strbuf_add(&cb->buf, target, end - target);
1090         return 1;
1091 }
1092
1093 static void wt_status_get_detached_from(struct wt_status_state *state)
1094 {
1095         struct grab_1st_switch_cbdata cb;
1096         struct commit *commit;
1097         unsigned char sha1[20];
1098         char *ref = NULL;
1099
1100         strbuf_init(&cb.buf, 0);
1101         if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1102                 strbuf_release(&cb.buf);
1103                 return;
1104         }
1105
1106         if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1107             /* sha1 is a commit? match without further lookup */
1108             (!hashcmp(cb.nsha1, sha1) ||
1109              /* perhaps sha1 is a tag, try to dereference to a commit */
1110              ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1111               !hashcmp(cb.nsha1, commit->object.sha1)))) {
1112                 int ofs;
1113                 if (!prefixcmp(ref, "refs/tags/"))
1114                         ofs = strlen("refs/tags/");
1115                 else if (!prefixcmp(ref, "refs/remotes/"))
1116                         ofs = strlen("refs/remotes/");
1117                 else
1118                         ofs = 0;
1119                 state->detached_from = xstrdup(ref + ofs);
1120         } else
1121                 state->detached_from =
1122                         xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1123         hashcpy(state->detached_sha1, cb.nsha1);
1124
1125         free(ref);
1126         strbuf_release(&cb.buf);
1127 }
1128
1129 void wt_status_get_state(struct wt_status_state *state,
1130                          int get_detached_from)
1131 {
1132         struct stat st;
1133         unsigned char sha1[20];
1134
1135         if (!stat(git_path("MERGE_HEAD"), &st)) {
1136                 state->merge_in_progress = 1;
1137         } else if (!stat(git_path("rebase-apply"), &st)) {
1138                 if (!stat(git_path("rebase-apply/applying"), &st)) {
1139                         state->am_in_progress = 1;
1140                         if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1141                                 state->am_empty_patch = 1;
1142                 } else {
1143                         state->rebase_in_progress = 1;
1144                         state->branch = read_and_strip_branch("rebase-apply/head-name");
1145                         state->onto = read_and_strip_branch("rebase-apply/onto");
1146                 }
1147         } else if (!stat(git_path("rebase-merge"), &st)) {
1148                 if (!stat(git_path("rebase-merge/interactive"), &st))
1149                         state->rebase_interactive_in_progress = 1;
1150                 else
1151                         state->rebase_in_progress = 1;
1152                 state->branch = read_and_strip_branch("rebase-merge/head-name");
1153                 state->onto = read_and_strip_branch("rebase-merge/onto");
1154         } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
1155                 state->cherry_pick_in_progress = 1;
1156         }
1157         if (!stat(git_path("BISECT_LOG"), &st)) {
1158                 state->bisect_in_progress = 1;
1159                 state->branch = read_and_strip_branch("BISECT_START");
1160         }
1161         if (!stat(git_path("REVERT_HEAD"), &st) &&
1162             !get_sha1("REVERT_HEAD", sha1)) {
1163                 state->revert_in_progress = 1;
1164                 hashcpy(state->revert_head_sha1, sha1);
1165         }
1166
1167         if (get_detached_from)
1168                 wt_status_get_detached_from(state);
1169 }
1170
1171 static void wt_status_print_state(struct wt_status *s,
1172                                   struct wt_status_state *state)
1173 {
1174         const char *state_color = color(WT_STATUS_HEADER, s);
1175         if (state->merge_in_progress)
1176                 show_merge_in_progress(s, state, state_color);
1177         else if (state->am_in_progress)
1178                 show_am_in_progress(s, state, state_color);
1179         else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1180                 show_rebase_in_progress(s, state, state_color);
1181         else if (state->cherry_pick_in_progress)
1182                 show_cherry_pick_in_progress(s, state, state_color);
1183         else if (state->revert_in_progress)
1184                 show_revert_in_progress(s, state, state_color);
1185         if (state->bisect_in_progress)
1186                 show_bisect_in_progress(s, state, state_color);
1187 }
1188
1189 void wt_status_print(struct wt_status *s)
1190 {
1191         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1192         const char *branch_status_color = color(WT_STATUS_HEADER, s);
1193         struct wt_status_state state;
1194
1195         memset(&state, 0, sizeof(state));
1196         wt_status_get_state(&state,
1197                             s->branch && !strcmp(s->branch, "HEAD"));
1198
1199         if (s->branch) {
1200                 const char *on_what = _("On branch ");
1201                 const char *branch_name = s->branch;
1202                 if (!prefixcmp(branch_name, "refs/heads/"))
1203                         branch_name += 11;
1204                 else if (!strcmp(branch_name, "HEAD")) {
1205                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
1206                         if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1207                                 on_what = _("rebase in progress; onto ");
1208                                 branch_name = state.onto;
1209                         } else if (state.detached_from) {
1210                                 unsigned char sha1[20];
1211                                 branch_name = state.detached_from;
1212                                 if (!get_sha1("HEAD", sha1) &&
1213                                     !hashcmp(sha1, state.detached_sha1))
1214                                         on_what = _("HEAD detached at ");
1215                                 else
1216                                         on_what = _("HEAD detached from ");
1217                         } else {
1218                                 branch_name = "";
1219                                 on_what = _("Not currently on any branch.");
1220                         }
1221                 }
1222                 status_printf(s, color(WT_STATUS_HEADER, s), "");
1223                 status_printf_more(s, branch_status_color, "%s", on_what);
1224                 status_printf_more(s, branch_color, "%s\n", branch_name);
1225                 if (!s->is_initial)
1226                         wt_status_print_tracking(s);
1227         }
1228
1229         wt_status_print_state(s, &state);
1230         free(state.branch);
1231         free(state.onto);
1232         free(state.detached_from);
1233
1234         if (s->is_initial) {
1235                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1236                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1237                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1238         }
1239
1240         wt_status_print_updated(s);
1241         wt_status_print_unmerged(s);
1242         wt_status_print_changed(s);
1243         if (s->submodule_summary &&
1244             (!s->ignore_submodule_arg ||
1245              strcmp(s->ignore_submodule_arg, "all"))) {
1246                 wt_status_print_submodule_summary(s, 0);  /* staged */
1247                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
1248         }
1249         if (s->show_untracked_files) {
1250                 wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1251                 if (s->show_ignored_files)
1252                         wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1253                 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1254                         status_printf_ln(s, GIT_COLOR_NORMAL, "");
1255                         status_printf_ln(s, GIT_COLOR_NORMAL,
1256                                          _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1257                                            "may speed it up, but you have to be careful not to forget to add\n"
1258                                            "new files yourself (see 'git help status')."),
1259                                          s->untracked_in_ms / 1000.0);
1260                 }
1261         } else if (s->commitable)
1262                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1263                         advice_status_hints
1264                         ? _(" (use -u option to show untracked files)") : "");
1265
1266         if (s->verbose)
1267                 wt_status_print_verbose(s);
1268         if (!s->commitable) {
1269                 if (s->amend)
1270                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1271                 else if (s->nowarn)
1272                         ; /* nothing */
1273                 else if (s->workdir_dirty) {
1274                         if (advice_status_hints)
1275                                 printf(_("no changes added to commit "
1276                                          "(use \"git add\" and/or \"git commit -a\")\n"));
1277                         else
1278                                 printf(_("no changes added to commit\n"));
1279                 } else if (s->untracked.nr) {
1280                         if (advice_status_hints)
1281                                 printf(_("nothing added to commit but untracked files "
1282                                          "present (use \"git add\" to track)\n"));
1283                         else
1284                                 printf(_("nothing added to commit but untracked files present\n"));
1285                 } else if (s->is_initial) {
1286                         if (advice_status_hints)
1287                                 printf(_("nothing to commit (create/copy files "
1288                                          "and use \"git add\" to track)\n"));
1289                         else
1290                                 printf(_("nothing to commit\n"));
1291                 } else if (!s->show_untracked_files) {
1292                         if (advice_status_hints)
1293                                 printf(_("nothing to commit (use -u to show untracked files)\n"));
1294                         else
1295                                 printf(_("nothing to commit\n"));
1296                 } else
1297                         printf(_("nothing to commit, working directory clean\n"));
1298         }
1299 }
1300
1301 static void wt_shortstatus_unmerged(struct string_list_item *it,
1302                            struct wt_status *s)
1303 {
1304         struct wt_status_change_data *d = it->util;
1305         const char *how = "??";
1306
1307         switch (d->stagemask) {
1308         case 1: how = "DD"; break; /* both deleted */
1309         case 2: how = "AU"; break; /* added by us */
1310         case 3: how = "UD"; break; /* deleted by them */
1311         case 4: how = "UA"; break; /* added by them */
1312         case 5: how = "DU"; break; /* deleted by us */
1313         case 6: how = "AA"; break; /* both added */
1314         case 7: how = "UU"; break; /* both modified */
1315         }
1316         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1317         if (s->null_termination) {
1318                 fprintf(stdout, " %s%c", it->string, 0);
1319         } else {
1320                 struct strbuf onebuf = STRBUF_INIT;
1321                 const char *one;
1322                 one = quote_path(it->string, s->prefix, &onebuf);
1323                 printf(" %s\n", one);
1324                 strbuf_release(&onebuf);
1325         }
1326 }
1327
1328 static void wt_shortstatus_status(struct string_list_item *it,
1329                          struct wt_status *s)
1330 {
1331         struct wt_status_change_data *d = it->util;
1332
1333         if (d->index_status)
1334                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1335         else
1336                 putchar(' ');
1337         if (d->worktree_status)
1338                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1339         else
1340                 putchar(' ');
1341         putchar(' ');
1342         if (s->null_termination) {
1343                 fprintf(stdout, "%s%c", it->string, 0);
1344                 if (d->head_path)
1345                         fprintf(stdout, "%s%c", d->head_path, 0);
1346         } else {
1347                 struct strbuf onebuf = STRBUF_INIT;
1348                 const char *one;
1349                 if (d->head_path) {
1350                         one = quote_path(d->head_path, s->prefix, &onebuf);
1351                         if (*one != '"' && strchr(one, ' ') != NULL) {
1352                                 putchar('"');
1353                                 strbuf_addch(&onebuf, '"');
1354                                 one = onebuf.buf;
1355                         }
1356                         printf("%s -> ", one);
1357                         strbuf_release(&onebuf);
1358                 }
1359                 one = quote_path(it->string, s->prefix, &onebuf);
1360                 if (*one != '"' && strchr(one, ' ') != NULL) {
1361                         putchar('"');
1362                         strbuf_addch(&onebuf, '"');
1363                         one = onebuf.buf;
1364                 }
1365                 printf("%s\n", one);
1366                 strbuf_release(&onebuf);
1367         }
1368 }
1369
1370 static void wt_shortstatus_other(struct string_list_item *it,
1371                                  struct wt_status *s, const char *sign)
1372 {
1373         if (s->null_termination) {
1374                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1375         } else {
1376                 struct strbuf onebuf = STRBUF_INIT;
1377                 const char *one;
1378                 one = quote_path(it->string, s->prefix, &onebuf);
1379                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1380                 printf(" %s\n", one);
1381                 strbuf_release(&onebuf);
1382         }
1383 }
1384
1385 static void wt_shortstatus_print_tracking(struct wt_status *s)
1386 {
1387         struct branch *branch;
1388         const char *header_color = color(WT_STATUS_HEADER, s);
1389         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1390         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1391
1392         const char *base;
1393         const char *branch_name;
1394         int num_ours, num_theirs;
1395
1396         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1397
1398         if (!s->branch)
1399                 return;
1400         branch_name = s->branch;
1401
1402         if (!prefixcmp(branch_name, "refs/heads/"))
1403                 branch_name += 11;
1404         else if (!strcmp(branch_name, "HEAD")) {
1405                 branch_name = _("HEAD (no branch)");
1406                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
1407         }
1408
1409         branch = branch_get(s->branch + 11);
1410         if (s->is_initial)
1411                 color_fprintf(s->fp, header_color, _("Initial commit on "));
1412         if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
1413                 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1414                 fputc(s->null_termination ? '\0' : '\n', s->fp);
1415                 return;
1416         }
1417
1418         base = branch->merge[0]->dst;
1419         base = shorten_unambiguous_ref(base, 0);
1420         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1421         color_fprintf(s->fp, header_color, "...");
1422         color_fprintf(s->fp, branch_color_remote, "%s", base);
1423
1424         color_fprintf(s->fp, header_color, " [");
1425         if (!num_ours) {
1426                 color_fprintf(s->fp, header_color, _("behind "));
1427                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1428         } else if (!num_theirs) {
1429                 color_fprintf(s->fp, header_color, _("ahead "));
1430                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1431         } else {
1432                 color_fprintf(s->fp, header_color, _("ahead "));
1433                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1434                 color_fprintf(s->fp, header_color, _(", behind "));
1435                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1436         }
1437
1438         color_fprintf(s->fp, header_color, "]");
1439         fputc(s->null_termination ? '\0' : '\n', s->fp);
1440 }
1441
1442 void wt_shortstatus_print(struct wt_status *s)
1443 {
1444         int i;
1445
1446         if (s->show_branch)
1447                 wt_shortstatus_print_tracking(s);
1448
1449         for (i = 0; i < s->change.nr; i++) {
1450                 struct wt_status_change_data *d;
1451                 struct string_list_item *it;
1452
1453                 it = &(s->change.items[i]);
1454                 d = it->util;
1455                 if (d->stagemask)
1456                         wt_shortstatus_unmerged(it, s);
1457                 else
1458                         wt_shortstatus_status(it, s);
1459         }
1460         for (i = 0; i < s->untracked.nr; i++) {
1461                 struct string_list_item *it;
1462
1463                 it = &(s->untracked.items[i]);
1464                 wt_shortstatus_other(it, s, "??");
1465         }
1466         for (i = 0; i < s->ignored.nr; i++) {
1467                 struct string_list_item *it;
1468
1469                 it = &(s->ignored.items[i]);
1470                 wt_shortstatus_other(it, s, "!!");
1471         }
1472 }
1473
1474 void wt_porcelain_print(struct wt_status *s)
1475 {
1476         s->use_color = 0;
1477         s->relative_paths = 0;
1478         s->prefix = NULL;
1479         wt_shortstatus_print(s);
1480 }