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

   1 #include "cache.h"
   2 #include "pathspec.h"
   3 #include "wt-status.h"
   4 #include "object.h"
   5 #include "dir.h"
   6 #include "commit.h"
   7 #include "diff.h"
   8 #include "revision.h"
   9 #include "diffcore.h"
  10 #include "quote.h"
  11 #include "run-command.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, -1, &onebuf, s->prefix);
 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, -1, &onebuf, s->prefix);
 303         two = quote_path(two_name, -1, &twobuf, s->prefix);
 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         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         copy_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         copy_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         int i;
 474
 475         for (i = 0; i < active_nr; i++) {
 476                 struct string_list_item *it;
 477                 struct wt_status_change_data *d;
 478                 struct cache_entry *ce = active_cache[i];
 479
 480                 if (!ce_path_match(ce, &s->pathspec))
 481                         continue;
 482                 it = string_list_insert(&s->change, ce->name);
 483                 d = it->util;
 484                 if (!d) {
 485                         d = xcalloc(1, sizeof(*d));
 486                         it->util = d;
 487                 }
 488                 if (ce_stage(ce)) {
 489                         d->index_status = DIFF_STATUS_UNMERGED;
 490                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 491                 }
 492                 else
 493                         d->index_status = DIFF_STATUS_ADDED;
 494         }
 495 }
 496
 497 static void wt_status_collect_untracked(struct wt_status *s)
 498 {
 499         int i;
 500         struct dir_struct dir;
 501         struct timeval t_begin;
 502
 503         if (!s->show_untracked_files)
 504                 return;
 505
 506         if (advice_status_u_option)
 507                 gettimeofday(&t_begin, NULL);
 508
 509         memset(&dir, 0, sizeof(dir));
 510         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 511                 dir.flags |=
 512                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 513         if (s->show_ignored_files)
 514                 dir.flags |= DIR_SHOW_IGNORED_TOO;
 515         setup_standard_excludes(&dir);
 516
 517         fill_directory(&dir, s->pathspec.raw);
 518
 519         for (i = 0; i < dir.nr; i++) {
 520                 struct dir_entry *ent = dir.entries[i];
 521                 if (cache_name_is_other(ent->name, ent->len) &&
 522                     match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 523                         string_list_insert(&s->untracked, ent->name);
 524                 free(ent);
 525         }
 526
 527         for (i = 0; i < dir.ignored_nr; i++) {
 528                 struct dir_entry *ent = dir.ignored[i];
 529                 if (cache_name_is_other(ent->name, ent->len) &&
 530                     match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 531                         string_list_insert(&s->ignored, ent->name);
 532                 free(ent);
 533         }
 534
 535         free(dir.entries);
 536         free(dir.ignored);
 537         clear_directory(&dir);
 538
 539         if (advice_status_u_option) {
 540                 struct timeval t_end;
 541                 gettimeofday(&t_end, NULL);
 542                 s->untracked_in_ms =
 543                         (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 544                         ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 545         }
 546 }
 547
 548 void wt_status_collect(struct wt_status *s)
 549 {
 550         wt_status_collect_changes_worktree(s);
 551
 552         if (s->is_initial)
 553                 wt_status_collect_changes_initial(s);
 554         else
 555                 wt_status_collect_changes_index(s);
 556         wt_status_collect_untracked(s);
 557 }
 558
 559 static void wt_status_print_unmerged(struct wt_status *s)
 560 {
 561         int shown_header = 0;
 562         int i;
 563
 564         for (i = 0; i < s->change.nr; i++) {
 565                 struct wt_status_change_data *d;
 566                 struct string_list_item *it;
 567                 it = &(s->change.items[i]);
 568                 d = it->util;
 569                 if (!d->stagemask)
 570                         continue;
 571                 if (!shown_header) {
 572                         wt_status_print_unmerged_header(s);
 573                         shown_header = 1;
 574                 }
 575                 wt_status_print_unmerged_data(s, it);
 576         }
 577         if (shown_header)
 578                 wt_status_print_trailer(s);
 579
 580 }
 581
 582 static void wt_status_print_updated(struct wt_status *s)
 583 {
 584         int shown_header = 0;
 585         int i;
 586
 587         for (i = 0; i < s->change.nr; i++) {
 588                 struct wt_status_change_data *d;
 589                 struct string_list_item *it;
 590                 it = &(s->change.items[i]);
 591                 d = it->util;
 592                 if (!d->index_status ||
 593                     d->index_status == DIFF_STATUS_UNMERGED)
 594                         continue;
 595                 if (!shown_header) {
 596                         wt_status_print_cached_header(s);
 597                         s->commitable = 1;
 598                         shown_header = 1;
 599                 }
 600                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 601         }
 602         if (shown_header)
 603                 wt_status_print_trailer(s);
 604 }
 605
 606 /*
 607  * -1 : has delete
 608  *  0 : no change
 609  *  1 : some change but no delete
 610  */
 611 static int wt_status_check_worktree_changes(struct wt_status *s,
 612                                              int *dirty_submodules)
 613 {
 614         int i;
 615         int changes = 0;
 616
 617         *dirty_submodules = 0;
 618
 619         for (i = 0; i < s->change.nr; i++) {
 620                 struct wt_status_change_data *d;
 621                 d = s->change.items[i].util;
 622                 if (!d->worktree_status ||
 623                     d->worktree_status == DIFF_STATUS_UNMERGED)
 624                         continue;
 625                 if (!changes)
 626                         changes = 1;
 627                 if (d->dirty_submodule)
 628                         *dirty_submodules = 1;
 629                 if (d->worktree_status == DIFF_STATUS_DELETED)
 630                         changes = -1;
 631         }
 632         return changes;
 633 }
 634
 635 static void wt_status_print_changed(struct wt_status *s)
 636 {
 637         int i, dirty_submodules;
 638         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 639
 640         if (!worktree_changes)
 641                 return;
 642
 643         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 644
 645         for (i = 0; i < s->change.nr; i++) {
 646                 struct wt_status_change_data *d;
 647                 struct string_list_item *it;
 648                 it = &(s->change.items[i]);
 649                 d = it->util;
 650                 if (!d->worktree_status ||
 651                     d->worktree_status == DIFF_STATUS_UNMERGED)
 652                         continue;
 653                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 654         }
 655         wt_status_print_trailer(s);
 656 }
 657
 658 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 659 {
 660         struct child_process sm_summary;
 661         char summary_limit[64];
 662         char index[PATH_MAX];
 663         const char *env[] = { NULL, NULL };
 664         const char *argv[8];
 665
 666         env[0] =        index;
 667         argv[0] =       "submodule";
 668         argv[1] =       "summary";
 669         argv[2] =       uncommitted ? "--files" : "--cached";
 670         argv[3] =       "--for-status";
 671         argv[4] =       "--summary-limit";
 672         argv[5] =       summary_limit;
 673         argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 674         argv[7] =       NULL;
 675
 676         sprintf(summary_limit, "%d", s->submodule_summary);
 677         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 678
 679         memset(&sm_summary, 0, sizeof(sm_summary));
 680         sm_summary.argv = argv;
 681         sm_summary.env = env;
 682         sm_summary.git_cmd = 1;
 683         sm_summary.no_stdin = 1;
 684         fflush(s->fp);
 685         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 686         run_command(&sm_summary);
 687 }
 688
 689 static void wt_status_print_other(struct wt_status *s,
 690                                   struct string_list *l,
 691                                   const char *what,
 692                                   const char *how)
 693 {
 694         int i;
 695         struct strbuf buf = STRBUF_INIT;
 696         static struct string_list output = STRING_LIST_INIT_DUP;
 697         struct column_options copts;
 698
 699         if (!l->nr)
 700                 return;
 701
 702         wt_status_print_other_header(s, what, how);
 703
 704         for (i = 0; i < l->nr; i++) {
 705                 struct string_list_item *it;
 706                 const char *path;
 707                 it = &(l->items[i]);
 708                 path = quote_path(it->string, strlen(it->string),
 709                                   &buf, s->prefix);
 710                 if (column_active(s->colopts)) {
 711                         string_list_append(&output, path);
 712                         continue;
 713                 }
 714                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 715                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 716                                    "%s\n", path);
 717         }
 718
 719         strbuf_release(&buf);
 720         if (!column_active(s->colopts))
 721                 return;
 722
 723         strbuf_addf(&buf, "%s#\t%s",
 724                     color(WT_STATUS_HEADER, s),
 725                     color(WT_STATUS_UNTRACKED, s));
 726         memset(&copts, 0, sizeof(copts));
 727         copts.padding = 1;
 728         copts.indent = buf.buf;
 729         if (want_color(s->use_color))
 730                 copts.nl = GIT_COLOR_RESET "\n";
 731         print_columns(&output, s->colopts, &copts);
 732         string_list_clear(&output, 0);
 733         strbuf_release(&buf);
 734 }
 735
 736 static void wt_status_print_verbose(struct wt_status *s)
 737 {
 738         struct rev_info rev;
 739         struct setup_revision_opt opt;
 740
 741         init_revisions(&rev, NULL);
 742         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 743
 744         memset(&opt, 0, sizeof(opt));
 745         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 746         setup_revisions(0, NULL, &rev, &opt);
 747
 748         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 749         rev.diffopt.detect_rename = 1;
 750         rev.diffopt.file = s->fp;
 751         rev.diffopt.close_file = 0;
 752         /*
 753          * If we're not going to stdout, then we definitely don't
 754          * want color, since we are going to the commit message
 755          * file (and even the "auto" setting won't work, since it
 756          * will have checked isatty on stdout).
 757          */
 758         if (s->fp != stdout)
 759                 rev.diffopt.use_color = 0;
 760         run_diff_index(&rev, 1);
 761 }
 762
 763 static void wt_status_print_tracking(struct wt_status *s)
 764 {
 765         struct strbuf sb = STRBUF_INIT;
 766         const char *cp, *ep;
 767         struct branch *branch;
 768
 769         assert(s->branch && !s->is_initial);
 770         if (prefixcmp(s->branch, "refs/heads/"))
 771                 return;
 772         branch = branch_get(s->branch + 11);
 773         if (!format_tracking_info(branch, &sb))
 774                 return;
 775
 776         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 777                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 778                                  "%c %.*s", comment_line_char,
 779                                  (int)(ep - cp), cp);
 780         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 781                          comment_line_char);
 782 }
 783
 784 static int has_unmerged(struct wt_status *s)
 785 {
 786         int i;
 787
 788         for (i = 0; i < s->change.nr; i++) {
 789                 struct wt_status_change_data *d;
 790                 d = s->change.items[i].util;
 791                 if (d->stagemask)
 792                         return 1;
 793         }
 794         return 0;
 795 }
 796
 797 static void show_merge_in_progress(struct wt_status *s,
 798                                 struct wt_status_state *state,
 799                                 const char *color)
 800 {
 801         if (has_unmerged(s)) {
 802                 status_printf_ln(s, color, _("You have unmerged paths."));
 803                 if (advice_status_hints)
 804                         status_printf_ln(s, color,
 805                                 _("  (fix conflicts and run \"git commit\")"));
 806         } else {
 807                 status_printf_ln(s, color,
 808                         _("All conflicts fixed but you are still merging."));
 809                 if (advice_status_hints)
 810                         status_printf_ln(s, color,
 811                                 _("  (use \"git commit\" to conclude merge)"));
 812         }
 813         wt_status_print_trailer(s);
 814 }
 815
 816 static void show_am_in_progress(struct wt_status *s,
 817                                 struct wt_status_state *state,
 818                                 const char *color)
 819 {
 820         status_printf_ln(s, color,
 821                 _("You are in the middle of an am session."));
 822         if (state->am_empty_patch)
 823                 status_printf_ln(s, color,
 824                         _("The current patch is empty."));
 825         if (advice_status_hints) {
 826                 if (!state->am_empty_patch)
 827                         status_printf_ln(s, color,
 828                                 _("  (fix conflicts and then run \"git am --continue\")"));
 829                 status_printf_ln(s, color,
 830                         _("  (use \"git am --skip\" to skip this patch)"));
 831                 status_printf_ln(s, color,
 832                         _("  (use \"git am --abort\" to restore the original branch)"));
 833         }
 834         wt_status_print_trailer(s);
 835 }
 836
 837 static char *read_line_from_git_path(const char *filename)
 838 {
 839         struct strbuf buf = STRBUF_INIT;
 840         FILE *fp = fopen(git_path("%s", filename), "r");
 841         if (!fp) {
 842                 strbuf_release(&buf);
 843                 return NULL;
 844         }
 845         strbuf_getline(&buf, fp, '\n');
 846         if (!fclose(fp)) {
 847                 return strbuf_detach(&buf, NULL);
 848         } else {
 849                 strbuf_release(&buf);
 850                 return NULL;
 851         }
 852 }
 853
 854 static int split_commit_in_progress(struct wt_status *s)
 855 {
 856         int split_in_progress = 0;
 857         char *head = read_line_from_git_path("HEAD");
 858         char *orig_head = read_line_from_git_path("ORIG_HEAD");
 859         char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 860         char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 861
 862         if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 863             !s->branch || strcmp(s->branch, "HEAD"))
 864                 return split_in_progress;
 865
 866         if (!strcmp(rebase_amend, rebase_orig_head)) {
 867                 if (strcmp(head, rebase_amend))
 868                         split_in_progress = 1;
 869         } else if (strcmp(orig_head, rebase_orig_head)) {
 870                 split_in_progress = 1;
 871         }
 872
 873         if (!s->amend && !s->nowarn && !s->workdir_dirty)
 874                 split_in_progress = 0;
 875
 876         free(head);
 877         free(orig_head);
 878         free(rebase_amend);
 879         free(rebase_orig_head);
 880         return split_in_progress;
 881 }
 882
 883 static void show_rebase_in_progress(struct wt_status *s,
 884                                 struct wt_status_state *state,
 885                                 const char *color)
 886 {
 887         struct stat st;
 888
 889         if (has_unmerged(s)) {
 890                 if (state->branch)
 891                         status_printf_ln(s, color,
 892                                          _("You are currently rebasing branch '%s' on '%s'."),
 893                                          state->branch,
 894                                          state->onto);
 895                 else
 896                         status_printf_ln(s, color,
 897                                          _("You are currently rebasing."));
 898                 if (advice_status_hints) {
 899                         status_printf_ln(s, color,
 900                                 _("  (fix conflicts and then run \"git rebase --continue\")"));
 901                         status_printf_ln(s, color,
 902                                 _("  (use \"git rebase --skip\" to skip this patch)"));
 903                         status_printf_ln(s, color,
 904                                 _("  (use \"git rebase --abort\" to check out the original branch)"));
 905                 }
 906         } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 907                 if (state->branch)
 908                         status_printf_ln(s, color,
 909                                          _("You are currently rebasing branch '%s' on '%s'."),
 910                                          state->branch,
 911                                          state->onto);
 912                 else
 913                         status_printf_ln(s, color,
 914                                          _("You are currently rebasing."));
 915                 if (advice_status_hints)
 916                         status_printf_ln(s, color,
 917                                 _("  (all conflicts fixed: run \"git rebase --continue\")"));
 918         } else if (split_commit_in_progress(s)) {
 919                 if (state->branch)
 920                         status_printf_ln(s, color,
 921                                          _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 922                                          state->branch,
 923                                          state->onto);
 924                 else
 925                         status_printf_ln(s, color,
 926                                          _("You are currently splitting a commit during a rebase."));
 927                 if (advice_status_hints)
 928                         status_printf_ln(s, color,
 929                                 _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 930         } else {
 931                 if (state->branch)
 932                         status_printf_ln(s, color,
 933                                          _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 934                                          state->branch,
 935                                          state->onto);
 936                 else
 937                         status_printf_ln(s, color,
 938                                          _("You are currently editing a commit during a rebase."));
 939                 if (advice_status_hints && !s->amend) {
 940                         status_printf_ln(s, color,
 941                                 _("  (use \"git commit --amend\" to amend the current commit)"));
 942                         status_printf_ln(s, color,
 943                                 _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 944                 }
 945         }
 946         wt_status_print_trailer(s);
 947 }
 948
 949 static void show_cherry_pick_in_progress(struct wt_status *s,
 950                                         struct wt_status_state *state,
 951                                         const char *color)
 952 {
 953         status_printf_ln(s, color, _("You are currently cherry-picking."));
 954         if (advice_status_hints) {
 955                 if (has_unmerged(s))
 956                         status_printf_ln(s, color,
 957                                 _("  (fix conflicts and run \"git cherry-pick --continue\")"));
 958                 else
 959                         status_printf_ln(s, color,
 960                                 _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
 961                 status_printf_ln(s, color,
 962                         _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
 963         }
 964         wt_status_print_trailer(s);
 965 }
 966
 967 static void show_revert_in_progress(struct wt_status *s,
 968                                         struct wt_status_state *state,
 969                                         const char *color)
 970 {
 971         status_printf_ln(s, color, _("You are currently reverting commit %s."),
 972                          find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
 973         if (advice_status_hints) {
 974                 if (has_unmerged(s))
 975                         status_printf_ln(s, color,
 976                                 _("  (fix conflicts and run \"git revert --continue\")"));
 977                 else
 978                         status_printf_ln(s, color,
 979                                 _("  (all conflicts fixed: run \"git revert --continue\")"));
 980                 status_printf_ln(s, color,
 981                         _("  (use \"git revert --abort\" to cancel the revert operation)"));
 982         }
 983         wt_status_print_trailer(s);
 984 }
 985
 986 static void show_bisect_in_progress(struct wt_status *s,
 987                                 struct wt_status_state *state,
 988                                 const char *color)
 989 {
 990         if (state->branch)
 991                 status_printf_ln(s, color,
 992                                  _("You are currently bisecting, started from branch '%s'."),
 993                                  state->branch);
 994         else
 995                 status_printf_ln(s, color,
 996                                  _("You are currently bisecting."));
 997         if (advice_status_hints)
 998                 status_printf_ln(s, color,
 999                         _("  (use \"git bisect reset\" to get back to the original branch)"));
1000         wt_status_print_trailer(s);
1001 }
1002
1003 /*
1004  * Extract branch information from rebase/bisect
1005  */
1006 static char *read_and_strip_branch(const char *path)
1007 {
1008         struct strbuf sb = STRBUF_INIT;
1009         unsigned char sha1[20];
1010
1011         if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1012                 goto got_nothing;
1013
1014         while (&sb.len && sb.buf[sb.len - 1] == '\n')
1015                 strbuf_setlen(&sb, sb.len - 1);
1016         if (!sb.len)
1017                 goto got_nothing;
1018         if (!prefixcmp(sb.buf, "refs/heads/"))
1019                 strbuf_remove(&sb,0, strlen("refs/heads/"));
1020         else if (!prefixcmp(sb.buf, "refs/"))
1021                 ;
1022         else if (!get_sha1_hex(sb.buf, sha1)) {
1023                 const char *abbrev;
1024                 abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1025                 strbuf_reset(&sb);
1026                 strbuf_addstr(&sb, abbrev);
1027         } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1028                 goto got_nothing;
1029         else                    /* bisect */
1030                 ;
1031         return strbuf_detach(&sb, NULL);
1032
1033 got_nothing:
1034         strbuf_release(&sb);
1035         return NULL;
1036 }
1037
1038 struct grab_1st_switch_cbdata {
1039         struct strbuf buf;
1040         unsigned char nsha1[20];
1041 };
1042
1043 static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1044                            const char *email, unsigned long timestamp, int tz,
1045                            const char *message, void *cb_data)
1046 {
1047         struct grab_1st_switch_cbdata *cb = cb_data;
1048         const char *target = NULL, *end;
1049
1050         if (prefixcmp(message, "checkout: moving from "))
1051                 return 0;
1052         message += strlen("checkout: moving from ");
1053         target = strstr(message, " to ");
1054         if (!target)
1055                 return 0;
1056         target += strlen(" to ");
1057         strbuf_reset(&cb->buf);
1058         hashcpy(cb->nsha1, nsha1);
1059         for (end = target; *end && *end != '\n'; end++)
1060                 ;
1061         strbuf_add(&cb->buf, target, end - target);
1062         return 1;
1063 }
1064
1065 static void wt_status_get_detached_from(struct wt_status_state *state)
1066 {
1067         struct grab_1st_switch_cbdata cb;
1068         struct commit *commit;
1069         unsigned char sha1[20];
1070         char *ref = NULL;
1071
1072         strbuf_init(&cb.buf, 0);
1073         if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1074                 strbuf_release(&cb.buf);
1075                 return;
1076         }
1077
1078         if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1079             /* sha1 is a commit? match without further lookup */
1080             (!hashcmp(cb.nsha1, sha1) ||
1081              /* perhaps sha1 is a tag, try to dereference to a commit */
1082              ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1083               !hashcmp(cb.nsha1, commit->object.sha1)))) {
1084                 int ofs;
1085                 if (!prefixcmp(ref, "refs/tags/"))
1086                         ofs = strlen("refs/tags/");
1087                 else if (!prefixcmp(ref, "refs/remotes/"))
1088                         ofs = strlen("refs/remotes/");
1089                 else
1090                         ofs = 0;
1091                 state->detached_from = xstrdup(ref + ofs);
1092         } else
1093                 state->detached_from =
1094                         xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1095         hashcpy(state->detached_sha1, cb.nsha1);
1096
1097         free(ref);
1098         strbuf_release(&cb.buf);
1099 }
1100
1101 void wt_status_get_state(struct wt_status_state *state,
1102                          int get_detached_from)
1103 {
1104         struct stat st;
1105         unsigned char sha1[20];
1106
1107         if (!stat(git_path("MERGE_HEAD"), &st)) {
1108                 state->merge_in_progress = 1;
1109         } else if (!stat(git_path("rebase-apply"), &st)) {
1110                 if (!stat(git_path("rebase-apply/applying"), &st)) {
1111                         state->am_in_progress = 1;
1112                         if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1113                                 state->am_empty_patch = 1;
1114                 } else {
1115                         state->rebase_in_progress = 1;
1116                         state->branch = read_and_strip_branch("rebase-apply/head-name");
1117                         state->onto = read_and_strip_branch("rebase-apply/onto");
1118                 }
1119         } else if (!stat(git_path("rebase-merge"), &st)) {
1120                 if (!stat(git_path("rebase-merge/interactive"), &st))
1121                         state->rebase_interactive_in_progress = 1;
1122                 else
1123                         state->rebase_in_progress = 1;
1124                 state->branch = read_and_strip_branch("rebase-merge/head-name");
1125                 state->onto = read_and_strip_branch("rebase-merge/onto");
1126         } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
1127                 state->cherry_pick_in_progress = 1;
1128         }
1129         if (!stat(git_path("BISECT_LOG"), &st)) {
1130                 state->bisect_in_progress = 1;
1131                 state->branch = read_and_strip_branch("BISECT_START");
1132         }
1133         if (!stat(git_path("REVERT_HEAD"), &st) &&
1134             !get_sha1("REVERT_HEAD", sha1)) {
1135                 state->revert_in_progress = 1;
1136                 hashcpy(state->revert_head_sha1, sha1);
1137         }
1138
1139         if (get_detached_from)
1140                 wt_status_get_detached_from(state);
1141 }
1142
1143 static void wt_status_print_state(struct wt_status *s,
1144                                   struct wt_status_state *state)
1145 {
1146         const char *state_color = color(WT_STATUS_HEADER, s);
1147         if (state->merge_in_progress)
1148                 show_merge_in_progress(s, state, state_color);
1149         else if (state->am_in_progress)
1150                 show_am_in_progress(s, state, state_color);
1151         else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1152                 show_rebase_in_progress(s, state, state_color);
1153         else if (state->cherry_pick_in_progress)
1154                 show_cherry_pick_in_progress(s, state, state_color);
1155         else if (state->revert_in_progress)
1156                 show_revert_in_progress(s, state, state_color);
1157         if (state->bisect_in_progress)
1158                 show_bisect_in_progress(s, state, state_color);
1159 }
1160
1161 void wt_status_print(struct wt_status *s)
1162 {
1163         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1164         const char *branch_status_color = color(WT_STATUS_HEADER, s);
1165         struct wt_status_state state;
1166
1167         memset(&state, 0, sizeof(state));
1168         wt_status_get_state(&state,
1169                             s->branch && !strcmp(s->branch, "HEAD"));
1170
1171         if (s->branch) {
1172                 const char *on_what = _("On branch ");
1173                 const char *branch_name = s->branch;
1174                 if (!prefixcmp(branch_name, "refs/heads/"))
1175                         branch_name += 11;
1176                 else if (!strcmp(branch_name, "HEAD")) {
1177                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
1178                         if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1179                                 on_what = _("rebase in progress; onto ");
1180                                 branch_name = state.onto;
1181                         } else if (state.detached_from) {
1182                                 unsigned char sha1[20];
1183                                 branch_name = state.detached_from;
1184                                 if (!get_sha1("HEAD", sha1) &&
1185                                     !hashcmp(sha1, state.detached_sha1))
1186                                         on_what = _("HEAD detached at ");
1187                                 else
1188                                         on_what = _("HEAD detached from ");
1189                         } else {
1190                                 branch_name = "";
1191                                 on_what = _("Not currently on any branch.");
1192                         }
1193                 }
1194                 status_printf(s, color(WT_STATUS_HEADER, s), "");
1195                 status_printf_more(s, branch_status_color, "%s", on_what);
1196                 status_printf_more(s, branch_color, "%s\n", branch_name);
1197                 if (!s->is_initial)
1198                         wt_status_print_tracking(s);
1199         }
1200
1201         wt_status_print_state(s, &state);
1202         free(state.branch);
1203         free(state.onto);
1204         free(state.detached_from);
1205
1206         if (s->is_initial) {
1207                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1208                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1209                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1210         }
1211
1212         wt_status_print_updated(s);
1213         wt_status_print_unmerged(s);
1214         wt_status_print_changed(s);
1215         if (s->submodule_summary &&
1216             (!s->ignore_submodule_arg ||
1217              strcmp(s->ignore_submodule_arg, "all"))) {
1218                 wt_status_print_submodule_summary(s, 0);  /* staged */
1219                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
1220         }
1221         if (s->show_untracked_files) {
1222                 wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1223                 if (s->show_ignored_files)
1224                         wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1225                 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1226                         status_printf_ln(s, GIT_COLOR_NORMAL, "");
1227                         status_printf_ln(s, GIT_COLOR_NORMAL,
1228                                          _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1229                                            "may speed it up, but you have to be careful not to forget to add\n"
1230                                            "new files yourself (see 'git help status')."),
1231                                          s->untracked_in_ms / 1000.0);
1232                 }
1233         } else if (s->commitable)
1234                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1235                         advice_status_hints
1236                         ? _(" (use -u option to show untracked files)") : "");
1237
1238         if (s->verbose)
1239                 wt_status_print_verbose(s);
1240         if (!s->commitable) {
1241                 if (s->amend)
1242                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1243                 else if (s->nowarn)
1244                         ; /* nothing */
1245                 else if (s->workdir_dirty) {
1246                         if (advice_status_hints)
1247                                 printf(_("no changes added to commit "
1248                                          "(use \"git add\" and/or \"git commit -a\")\n"));
1249                         else
1250                                 printf(_("no changes added to commit\n"));
1251                 } else if (s->untracked.nr) {
1252                         if (advice_status_hints)
1253                                 printf(_("nothing added to commit but untracked files "
1254                                          "present (use \"git add\" to track)\n"));
1255                         else
1256                                 printf(_("nothing added to commit but untracked files present\n"));
1257                 } else if (s->is_initial) {
1258                         if (advice_status_hints)
1259                                 printf(_("nothing to commit (create/copy files "
1260                                          "and use \"git add\" to track)\n"));
1261                         else
1262                                 printf(_("nothing to commit\n"));
1263                 } else if (!s->show_untracked_files) {
1264                         if (advice_status_hints)
1265                                 printf(_("nothing to commit (use -u to show untracked files)\n"));
1266                         else
1267                                 printf(_("nothing to commit\n"));
1268                 } else
1269                         printf(_("nothing to commit, working directory clean\n"));
1270         }
1271 }
1272
1273 static void wt_shortstatus_unmerged(struct string_list_item *it,
1274                            struct wt_status *s)
1275 {
1276         struct wt_status_change_data *d = it->util;
1277         const char *how = "??";
1278
1279         switch (d->stagemask) {
1280         case 1: how = "DD"; break; /* both deleted */
1281         case 2: how = "AU"; break; /* added by us */
1282         case 3: how = "UD"; break; /* deleted by them */
1283         case 4: how = "UA"; break; /* added by them */
1284         case 5: how = "DU"; break; /* deleted by us */
1285         case 6: how = "AA"; break; /* both added */
1286         case 7: how = "UU"; break; /* both modified */
1287         }
1288         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1289         if (s->null_termination) {
1290                 fprintf(stdout, " %s%c", it->string, 0);
1291         } else {
1292                 struct strbuf onebuf = STRBUF_INIT;
1293                 const char *one;
1294                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1295                 printf(" %s\n", one);
1296                 strbuf_release(&onebuf);
1297         }
1298 }
1299
1300 static void wt_shortstatus_status(struct string_list_item *it,
1301                          struct wt_status *s)
1302 {
1303         struct wt_status_change_data *d = it->util;
1304
1305         if (d->index_status)
1306                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1307         else
1308                 putchar(' ');
1309         if (d->worktree_status)
1310                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1311         else
1312                 putchar(' ');
1313         putchar(' ');
1314         if (s->null_termination) {
1315                 fprintf(stdout, "%s%c", it->string, 0);
1316                 if (d->head_path)
1317                         fprintf(stdout, "%s%c", d->head_path, 0);
1318         } else {
1319                 struct strbuf onebuf = STRBUF_INIT;
1320                 const char *one;
1321                 if (d->head_path) {
1322                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
1323                         if (*one != '"' && strchr(one, ' ') != NULL) {
1324                                 putchar('"');
1325                                 strbuf_addch(&onebuf, '"');
1326                                 one = onebuf.buf;
1327                         }
1328                         printf("%s -> ", one);
1329                         strbuf_release(&onebuf);
1330                 }
1331                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1332                 if (*one != '"' && strchr(one, ' ') != NULL) {
1333                         putchar('"');
1334                         strbuf_addch(&onebuf, '"');
1335                         one = onebuf.buf;
1336                 }
1337                 printf("%s\n", one);
1338                 strbuf_release(&onebuf);
1339         }
1340 }
1341
1342 static void wt_shortstatus_other(struct string_list_item *it,
1343                                  struct wt_status *s, const char *sign)
1344 {
1345         if (s->null_termination) {
1346                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1347         } else {
1348                 struct strbuf onebuf = STRBUF_INIT;
1349                 const char *one;
1350                 one = quote_path(it->string, -1, &onebuf, s->prefix);
1351                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1352                 printf(" %s\n", one);
1353                 strbuf_release(&onebuf);
1354         }
1355 }
1356
1357 static void wt_shortstatus_print_tracking(struct wt_status *s)
1358 {
1359         struct branch *branch;
1360         const char *header_color = color(WT_STATUS_HEADER, s);
1361         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1362         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1363
1364         const char *base;
1365         const char *branch_name;
1366         int num_ours, num_theirs;
1367
1368         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1369
1370         if (!s->branch)
1371                 return;
1372         branch_name = s->branch;
1373
1374         if (!prefixcmp(branch_name, "refs/heads/"))
1375                 branch_name += 11;
1376         else if (!strcmp(branch_name, "HEAD")) {
1377                 branch_name = _("HEAD (no branch)");
1378                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
1379         }
1380
1381         branch = branch_get(s->branch + 11);
1382         if (s->is_initial)
1383                 color_fprintf(s->fp, header_color, _("Initial commit on "));
1384         if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
1385                 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1386                 fputc(s->null_termination ? '\0' : '\n', s->fp);
1387                 return;
1388         }
1389
1390         base = branch->merge[0]->dst;
1391         base = shorten_unambiguous_ref(base, 0);
1392         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1393         color_fprintf(s->fp, header_color, "...");
1394         color_fprintf(s->fp, branch_color_remote, "%s", base);
1395
1396         color_fprintf(s->fp, header_color, " [");
1397         if (!num_ours) {
1398                 color_fprintf(s->fp, header_color, _("behind "));
1399                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1400         } else if (!num_theirs) {
1401                 color_fprintf(s->fp, header_color, _("ahead "));
1402                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1403         } else {
1404                 color_fprintf(s->fp, header_color, _("ahead "));
1405                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1406                 color_fprintf(s->fp, header_color, _(", behind "));
1407                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1408         }
1409
1410         color_fprintf(s->fp, header_color, "]");
1411         fputc(s->null_termination ? '\0' : '\n', s->fp);
1412 }
1413
1414 void wt_shortstatus_print(struct wt_status *s)
1415 {
1416         int i;
1417
1418         if (s->show_branch)
1419                 wt_shortstatus_print_tracking(s);
1420
1421         for (i = 0; i < s->change.nr; i++) {
1422                 struct wt_status_change_data *d;
1423                 struct string_list_item *it;
1424
1425                 it = &(s->change.items[i]);
1426                 d = it->util;
1427                 if (d->stagemask)
1428                         wt_shortstatus_unmerged(it, s);
1429                 else
1430                         wt_shortstatus_status(it, s);
1431         }
1432         for (i = 0; i < s->untracked.nr; i++) {
1433                 struct string_list_item *it;
1434
1435                 it = &(s->untracked.items[i]);
1436                 wt_shortstatus_other(it, s, "??");
1437         }
1438         for (i = 0; i < s->ignored.nr; i++) {
1439                 struct string_list_item *it;
1440
1441                 it = &(s->ignored.items[i]);
1442                 wt_shortstatus_other(it, s, "!!");
1443         }
1444 }
1445
1446 void wt_porcelain_print(struct wt_status *s)
1447 {
1448         s->use_color = 0;
1449         s->relative_paths = 0;
1450         s->prefix = NULL;
1451         wt_shortstatus_print(s);
1452 }