wt-status.c

   1 #include "cache.h"
   2 #include "wt-status.h"
   3 #include "object.h"
   4 #include "dir.h"
   5 #include "commit.h"
   6 #include "diff.h"
   7 #include "revision.h"
   8 #include "diffcore.h"
   9 #include "quote.h"
  10 #include "run-command.h"
  11 #include "remote.h"
  12 #include "refs.h"
  13 #include "submodule.h"
  14 #include "column.h"
  15
  16 static char default_wt_status_colors[][COLOR_MAXLEN] = {
  17         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  18         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  19         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  20         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  21         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  22         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  23         GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  24         GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  25         GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  26 };
  27
  28 static const char *color(int slot, struct wt_status *s)
  29 {
  30         const char *c = "";
  31         if (want_color(s->use_color))
  32                 c = s->color_palette[slot];
  33         if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  34                 c = s->color_palette[WT_STATUS_HEADER];
  35         return c;
  36 }
  37
  38 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  39                 const char *fmt, va_list ap, const char *trail)
  40 {
  41         struct strbuf sb = STRBUF_INIT;
  42         struct strbuf linebuf = STRBUF_INIT;
  43         const char *line, *eol;
  44
  45         strbuf_vaddf(&sb, fmt, ap);
  46         if (!sb.len) {
  47                 strbuf_addch(&sb, '#');
  48                 if (!trail)
  49                         strbuf_addch(&sb, ' ');
  50                 color_print_strbuf(s->fp, color, &sb);
  51                 if (trail)
  52                         fprintf(s->fp, "%s", trail);
  53                 strbuf_release(&sb);
  54                 return;
  55         }
  56         for (line = sb.buf; *line; line = eol + 1) {
  57                 eol = strchr(line, '\n');
  58
  59                 strbuf_reset(&linebuf);
  60                 if (at_bol) {
  61                         strbuf_addch(&linebuf, '#');
  62                         if (*line != '\n' && *line != '\t')
  63                                 strbuf_addch(&linebuf, ' ');
  64                 }
  65                 if (eol)
  66                         strbuf_add(&linebuf, line, eol - line);
  67                 else
  68                         strbuf_addstr(&linebuf, line);
  69                 color_print_strbuf(s->fp, color, &linebuf);
  70                 if (eol)
  71                         fprintf(s->fp, "\n");
  72                 else
  73                         break;
  74                 at_bol = 1;
  75         }
  76         if (trail)
  77                 fprintf(s->fp, "%s", trail);
  78         strbuf_release(&linebuf);
  79         strbuf_release(&sb);
  80 }
  81
  82 void status_printf_ln(struct wt_status *s, const char *color,
  83                         const char *fmt, ...)
  84 {
  85         va_list ap;
  86
  87         va_start(ap, fmt);
  88         status_vprintf(s, 1, color, fmt, ap, "\n");
  89         va_end(ap);
  90 }
  91
  92 void status_printf(struct wt_status *s, const char *color,
  93                         const char *fmt, ...)
  94 {
  95         va_list ap;
  96
  97         va_start(ap, fmt);
  98         status_vprintf(s, 1, color, fmt, ap, NULL);
  99         va_end(ap);
 100 }
 101
 102 void status_printf_more(struct wt_status *s, const char *color,
 103                         const char *fmt, ...)
 104 {
 105         va_list ap;
 106
 107         va_start(ap, fmt);
 108         status_vprintf(s, 0, color, fmt, ap, NULL);
 109         va_end(ap);
 110 }
 111
 112 void wt_status_prepare(struct wt_status *s)
 113 {
 114         unsigned char sha1[20];
 115
 116         memset(s, 0, sizeof(*s));
 117         memcpy(s->color_palette, default_wt_status_colors,
 118                sizeof(default_wt_status_colors));
 119         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 120         s->use_color = -1;
 121         s->relative_paths = 1;
 122         s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 123         s->reference = "HEAD";
 124         s->fp = stdout;
 125         s->index_file = get_index_file();
 126         s->change.strdup_strings = 1;
 127         s->untracked.strdup_strings = 1;
 128         s->ignored.strdup_strings = 1;
 129 }
 130
 131 static void wt_status_print_unmerged_header(struct wt_status *s)
 132 {
 133         const char *c = color(WT_STATUS_HEADER, s);
 134
 135         status_printf_ln(s, c, _("Unmerged paths:"));
 136         if (!advice_status_hints)
 137                 return;
 138         if (s->whence != FROM_COMMIT)
 139                 ;
 140         else if (!s->is_initial)
 141                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 142         else
 143                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 144         status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 145         status_printf_ln(s, c, "");
 146 }
 147
 148 static void wt_status_print_cached_header(struct wt_status *s)
 149 {
 150         const char *c = color(WT_STATUS_HEADER, s);
 151
 152         status_printf_ln(s, c, _("Changes to be committed:"));
 153         if (!advice_status_hints)
 154                 return;
 155         if (s->whence != FROM_COMMIT)
 156                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
 157         else if (!s->is_initial)
 158                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 159         else
 160                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 161         status_printf_ln(s, c, "");
 162 }
 163
 164 static void wt_status_print_dirty_header(struct wt_status *s,
 165                                          int has_deleted,
 166                                          int has_dirty_submodules)
 167 {
 168         const char *c = color(WT_STATUS_HEADER, s);
 169
 170         status_printf_ln(s, c, _("Changes not staged for commit:"));
 171         if (!advice_status_hints)
 172                 return;
 173         if (!has_deleted)
 174                 status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 175         else
 176                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 177         status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 178         if (has_dirty_submodules)
 179                 status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 180         status_printf_ln(s, c, "");
 181 }
 182
 183 static void wt_status_print_other_header(struct wt_status *s,
 184                                          const char *what,
 185                                          const char *how)
 186 {
 187         const char *c = color(WT_STATUS_HEADER, s);
 188         status_printf_ln(s, c, _("%s files:"), what);
 189         if (!advice_status_hints)
 190                 return;
 191         status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 192         status_printf_ln(s, c, "");
 193 }
 194
 195 static void wt_status_print_trailer(struct wt_status *s)
 196 {
 197         status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 198 }
 199
 200 #define quote_path quote_path_relative
 201
 202 static void wt_status_print_unmerged_data(struct wt_status *s,
 203                                           struct string_list_item *it)
 204 {
 205         const char *c = color(WT_STATUS_UNMERGED, s);
 206         struct wt_status_change_data *d = it->util;
 207         struct strbuf onebuf = STRBUF_INIT;
 208         const char *one, *how = _("bug");
 209
 210         one = quote_path(it->string, -1, &onebuf, s->prefix);
 211         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 212         switch (d->stagemask) {
 213         case 1: how = _("both deleted:"); break;
 214         case 2: how = _("added by us:"); break;
 215         case 3: how = _("deleted by them:"); break;
 216         case 4: how = _("added by them:"); break;
 217         case 5: how = _("deleted by us:"); break;
 218         case 6: how = _("both added:"); break;
 219         case 7: how = _("both modified:"); break;
 220         }
 221         status_printf_more(s, c, "%-20s%s\n", how, one);
 222         strbuf_release(&onebuf);
 223 }
 224
 225 static void wt_status_print_change_data(struct wt_status *s,
 226                                         int change_type,
 227                                         struct string_list_item *it)
 228 {
 229         struct wt_status_change_data *d = it->util;
 230         const char *c = color(change_type, s);
 231         int status = status;
 232         char *one_name;
 233         char *two_name;
 234         const char *one, *two;
 235         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 236         struct strbuf extra = STRBUF_INIT;
 237
 238         one_name = two_name = it->string;
 239         switch (change_type) {
 240         case WT_STATUS_UPDATED:
 241                 status = d->index_status;
 242                 if (d->head_path)
 243                         one_name = d->head_path;
 244                 break;
 245         case WT_STATUS_CHANGED:
 246                 if (d->new_submodule_commits || d->dirty_submodule) {
 247                         strbuf_addstr(&extra, " (");
 248                         if (d->new_submodule_commits)
 249                                 strbuf_addf(&extra, _("new commits, "));
 250                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 251                                 strbuf_addf(&extra, _("modified content, "));
 252                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 253                                 strbuf_addf(&extra, _("untracked content, "));
 254                         strbuf_setlen(&extra, extra.len - 2);
 255                         strbuf_addch(&extra, ')');
 256                 }
 257                 status = d->worktree_status;
 258                 break;
 259         }
 260
 261         one = quote_path(one_name, -1, &onebuf, s->prefix);
 262         two = quote_path(two_name, -1, &twobuf, s->prefix);
 263
 264         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 265         switch (status) {
 266         case DIFF_STATUS_ADDED:
 267                 status_printf_more(s, c, _("new file:   %s"), one);
 268                 break;
 269         case DIFF_STATUS_COPIED:
 270                 status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 271                 break;
 272         case DIFF_STATUS_DELETED:
 273                 status_printf_more(s, c, _("deleted:    %s"), one);
 274                 break;
 275         case DIFF_STATUS_MODIFIED:
 276                 status_printf_more(s, c, _("modified:   %s"), one);
 277                 break;
 278         case DIFF_STATUS_RENAMED:
 279                 status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 280                 break;
 281         case DIFF_STATUS_TYPE_CHANGED:
 282                 status_printf_more(s, c, _("typechange: %s"), one);
 283                 break;
 284         case DIFF_STATUS_UNKNOWN:
 285                 status_printf_more(s, c, _("unknown:    %s"), one);
 286                 break;
 287         case DIFF_STATUS_UNMERGED:
 288                 status_printf_more(s, c, _("unmerged:   %s"), one);
 289                 break;
 290         default:
 291                 die(_("bug: unhandled diff status %c"), status);
 292         }
 293         if (extra.len) {
 294                 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 295                 strbuf_release(&extra);
 296         }
 297         status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 298         strbuf_release(&onebuf);
 299         strbuf_release(&twobuf);
 300 }
 301
 302 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 303                                          struct diff_options *options,
 304                                          void *data)
 305 {
 306         struct wt_status *s = data;
 307         int i;
 308
 309         if (!q->nr)
 310                 return;
 311         s->workdir_dirty = 1;
 312         for (i = 0; i < q->nr; i++) {
 313                 struct diff_filepair *p;
 314                 struct string_list_item *it;
 315                 struct wt_status_change_data *d;
 316
 317                 p = q->queue[i];
 318                 it = string_list_insert(&s->change, p->one->path);
 319                 d = it->util;
 320                 if (!d) {
 321                         d = xcalloc(1, sizeof(*d));
 322                         it->util = d;
 323                 }
 324                 if (!d->worktree_status)
 325                         d->worktree_status = p->status;
 326                 d->dirty_submodule = p->two->dirty_submodule;
 327                 if (S_ISGITLINK(p->two->mode))
 328                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 329         }
 330 }
 331
 332 static int unmerged_mask(const char *path)
 333 {
 334         int pos, mask;
 335         struct cache_entry *ce;
 336
 337         pos = cache_name_pos(path, strlen(path));
 338         if (0 <= pos)
 339                 return 0;
 340
 341         mask = 0;
 342         pos = -pos-1;
 343         while (pos < active_nr) {
 344                 ce = active_cache[pos++];
 345                 if (strcmp(ce->name, path) || !ce_stage(ce))
 346                         break;
 347                 mask |= (1 << (ce_stage(ce) - 1));
 348         }
 349         return mask;
 350 }
 351
 352 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 353                                          struct diff_options *options,
 354                                          void *data)
 355 {
 356         struct wt_status *s = data;
 357         int i;
 358
 359         for (i = 0; i < q->nr; i++) {
 360                 struct diff_filepair *p;
 361                 struct string_list_item *it;
 362                 struct wt_status_change_data *d;
 363
 364                 p = q->queue[i];
 365                 it = string_list_insert(&s->change, p->two->path);
 366                 d = it->util;
 367                 if (!d) {
 368                         d = xcalloc(1, sizeof(*d));
 369                         it->util = d;
 370                 }
 371                 if (!d->index_status)
 372                         d->index_status = p->status;
 373                 switch (p->status) {
 374                 case DIFF_STATUS_COPIED:
 375                 case DIFF_STATUS_RENAMED:
 376                         d->head_path = xstrdup(p->one->path);
 377                         break;
 378                 case DIFF_STATUS_UNMERGED:
 379                         d->stagemask = unmerged_mask(p->two->path);
 380                         break;
 381                 }
 382         }
 383 }
 384
 385 static void wt_status_collect_changes_worktree(struct wt_status *s)
 386 {
 387         struct rev_info rev;
 388
 389         init_revisions(&rev, NULL);
 390         setup_revisions(0, NULL, &rev, NULL);
 391         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 392         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 393         if (!s->show_untracked_files)
 394                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 395         if (s->ignore_submodule_arg) {
 396                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 397                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 398         }
 399         rev.diffopt.format_callback = wt_status_collect_changed_cb;
 400         rev.diffopt.format_callback_data = s;
 401         init_pathspec(&rev.prune_data, s->pathspec);
 402         run_diff_files(&rev, 0);
 403 }
 404
 405 static void wt_status_collect_changes_index(struct wt_status *s)
 406 {
 407         struct rev_info rev;
 408         struct setup_revision_opt opt;
 409
 410         init_revisions(&rev, NULL);
 411         memset(&opt, 0, sizeof(opt));
 412         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 413         setup_revisions(0, NULL, &rev, &opt);
 414
 415         if (s->ignore_submodule_arg) {
 416                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 417                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 418         }
 419
 420         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 421         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 422         rev.diffopt.format_callback_data = s;
 423         rev.diffopt.detect_rename = 1;
 424         rev.diffopt.rename_limit = 200;
 425         rev.diffopt.break_opt = 0;
 426         init_pathspec(&rev.prune_data, s->pathspec);
 427         run_diff_index(&rev, 1);
 428 }
 429
 430 static void wt_status_collect_changes_initial(struct wt_status *s)
 431 {
 432         struct pathspec pathspec;
 433         int i;
 434
 435         init_pathspec(&pathspec, s->pathspec);
 436         for (i = 0; i < active_nr; i++) {
 437                 struct string_list_item *it;
 438                 struct wt_status_change_data *d;
 439                 struct cache_entry *ce = active_cache[i];
 440
 441                 if (!ce_path_match(ce, &pathspec))
 442                         continue;
 443                 it = string_list_insert(&s->change, ce->name);
 444                 d = it->util;
 445                 if (!d) {
 446                         d = xcalloc(1, sizeof(*d));
 447                         it->util = d;
 448                 }
 449                 if (ce_stage(ce)) {
 450                         d->index_status = DIFF_STATUS_UNMERGED;
 451                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 452                 }
 453                 else
 454                         d->index_status = DIFF_STATUS_ADDED;
 455         }
 456         free_pathspec(&pathspec);
 457 }
 458
 459 static void wt_status_collect_untracked(struct wt_status *s)
 460 {
 461         int i;
 462         struct dir_struct dir;
 463
 464         if (!s->show_untracked_files)
 465                 return;
 466         memset(&dir, 0, sizeof(dir));
 467         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 468                 dir.flags |=
 469                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 470         setup_standard_excludes(&dir);
 471
 472         fill_directory(&dir, s->pathspec);
 473         for (i = 0; i < dir.nr; i++) {
 474                 struct dir_entry *ent = dir.entries[i];
 475                 if (cache_name_is_other(ent->name, ent->len) &&
 476                     match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 477                         string_list_insert(&s->untracked, ent->name);
 478                 free(ent);
 479         }
 480
 481         if (s->show_ignored_files) {
 482                 dir.nr = 0;
 483                 dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
 484                 fill_directory(&dir, s->pathspec);
 485                 for (i = 0; i < dir.nr; i++) {
 486                         struct dir_entry *ent = dir.entries[i];
 487                         if (cache_name_is_other(ent->name, ent->len) &&
 488                             match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 489                                 string_list_insert(&s->ignored, ent->name);
 490                         free(ent);
 491                 }
 492         }
 493
 494         free(dir.entries);
 495 }
 496
 497 void wt_status_collect(struct wt_status *s)
 498 {
 499         wt_status_collect_changes_worktree(s);
 500
 501         if (s->is_initial)
 502                 wt_status_collect_changes_initial(s);
 503         else
 504                 wt_status_collect_changes_index(s);
 505         wt_status_collect_untracked(s);
 506 }
 507
 508 static void wt_status_print_unmerged(struct wt_status *s)
 509 {
 510         int shown_header = 0;
 511         int i;
 512
 513         for (i = 0; i < s->change.nr; i++) {
 514                 struct wt_status_change_data *d;
 515                 struct string_list_item *it;
 516                 it = &(s->change.items[i]);
 517                 d = it->util;
 518                 if (!d->stagemask)
 519                         continue;
 520                 if (!shown_header) {
 521                         wt_status_print_unmerged_header(s);
 522                         shown_header = 1;
 523                 }
 524                 wt_status_print_unmerged_data(s, it);
 525         }
 526         if (shown_header)
 527                 wt_status_print_trailer(s);
 528
 529 }
 530
 531 static void wt_status_print_updated(struct wt_status *s)
 532 {
 533         int shown_header = 0;
 534         int i;
 535
 536         for (i = 0; i < s->change.nr; i++) {
 537                 struct wt_status_change_data *d;
 538                 struct string_list_item *it;
 539                 it = &(s->change.items[i]);
 540                 d = it->util;
 541                 if (!d->index_status ||
 542                     d->index_status == DIFF_STATUS_UNMERGED)
 543                         continue;
 544                 if (!shown_header) {
 545                         wt_status_print_cached_header(s);
 546                         s->commitable = 1;
 547                         shown_header = 1;
 548                 }
 549                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 550         }
 551         if (shown_header)
 552                 wt_status_print_trailer(s);
 553 }
 554
 555 /*
 556  * -1 : has delete
 557  *  0 : no change
 558  *  1 : some change but no delete
 559  */
 560 static int wt_status_check_worktree_changes(struct wt_status *s,
 561                                              int *dirty_submodules)
 562 {
 563         int i;
 564         int changes = 0;
 565
 566         *dirty_submodules = 0;
 567
 568         for (i = 0; i < s->change.nr; i++) {
 569                 struct wt_status_change_data *d;
 570                 d = s->change.items[i].util;
 571                 if (!d->worktree_status ||
 572                     d->worktree_status == DIFF_STATUS_UNMERGED)
 573                         continue;
 574                 if (!changes)
 575                         changes = 1;
 576                 if (d->dirty_submodule)
 577                         *dirty_submodules = 1;
 578                 if (d->worktree_status == DIFF_STATUS_DELETED)
 579                         changes = -1;
 580         }
 581         return changes;
 582 }
 583
 584 static void wt_status_print_changed(struct wt_status *s)
 585 {
 586         int i, dirty_submodules;
 587         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 588
 589         if (!worktree_changes)
 590                 return;
 591
 592         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 593
 594         for (i = 0; i < s->change.nr; i++) {
 595                 struct wt_status_change_data *d;
 596                 struct string_list_item *it;
 597                 it = &(s->change.items[i]);
 598                 d = it->util;
 599                 if (!d->worktree_status ||
 600                     d->worktree_status == DIFF_STATUS_UNMERGED)
 601                         continue;
 602                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 603         }
 604         wt_status_print_trailer(s);
 605 }
 606
 607 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 608 {
 609         struct child_process sm_summary;
 610         char summary_limit[64];
 611         char index[PATH_MAX];
 612         const char *env[] = { NULL, NULL };
 613         const char *argv[8];
 614
 615         env[0] =        index;
 616         argv[0] =       "submodule";
 617         argv[1] =       "summary";
 618         argv[2] =       uncommitted ? "--files" : "--cached";
 619         argv[3] =       "--for-status";
 620         argv[4] =       "--summary-limit";
 621         argv[5] =       summary_limit;
 622         argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 623         argv[7] =       NULL;
 624
 625         sprintf(summary_limit, "%d", s->submodule_summary);
 626         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 627
 628         memset(&sm_summary, 0, sizeof(sm_summary));
 629         sm_summary.argv = argv;
 630         sm_summary.env = env;
 631         sm_summary.git_cmd = 1;
 632         sm_summary.no_stdin = 1;
 633         fflush(s->fp);
 634         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 635         run_command(&sm_summary);
 636 }
 637
 638 static void wt_status_print_other(struct wt_status *s,
 639                                   struct string_list *l,
 640                                   const char *what,
 641                                   const char *how)
 642 {
 643         int i;
 644         struct strbuf buf = STRBUF_INIT;
 645         static struct string_list output = STRING_LIST_INIT_DUP;
 646         struct column_options copts;
 647
 648         if (!l->nr)
 649                 return;
 650
 651         wt_status_print_other_header(s, what, how);
 652
 653         for (i = 0; i < l->nr; i++) {
 654                 struct string_list_item *it;
 655                 const char *path;
 656                 it = &(l->items[i]);
 657                 path = quote_path(it->string, strlen(it->string),
 658                                   &buf, s->prefix);
 659                 if (column_active(s->colopts)) {
 660                         string_list_append(&output, path);
 661                         continue;
 662                 }
 663                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 664                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 665                                    "%s\n", path);
 666         }
 667
 668         strbuf_release(&buf);
 669         if (!column_active(s->colopts))
 670                 return;
 671
 672         strbuf_addf(&buf, "%s#\t%s",
 673                     color(WT_STATUS_HEADER, s),
 674                     color(WT_STATUS_UNTRACKED, s));
 675         memset(&copts, 0, sizeof(copts));
 676         copts.padding = 1;
 677         copts.indent = buf.buf;
 678         if (want_color(s->use_color))
 679                 copts.nl = GIT_COLOR_RESET "\n";
 680         print_columns(&output, s->colopts, &copts);
 681         string_list_clear(&output, 0);
 682         strbuf_release(&buf);
 683 }
 684
 685 static void wt_status_print_verbose(struct wt_status *s)
 686 {
 687         struct rev_info rev;
 688         struct setup_revision_opt opt;
 689
 690         init_revisions(&rev, NULL);
 691         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 692
 693         memset(&opt, 0, sizeof(opt));
 694         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 695         setup_revisions(0, NULL, &rev, &opt);
 696
 697         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 698         rev.diffopt.detect_rename = 1;
 699         rev.diffopt.file = s->fp;
 700         rev.diffopt.close_file = 0;
 701         /*
 702          * If we're not going to stdout, then we definitely don't
 703          * want color, since we are going to the commit message
 704          * file (and even the "auto" setting won't work, since it
 705          * will have checked isatty on stdout).
 706          */
 707         if (s->fp != stdout)
 708                 rev.diffopt.use_color = 0;
 709         run_diff_index(&rev, 1);
 710 }
 711
 712 static void wt_status_print_tracking(struct wt_status *s)
 713 {
 714         struct strbuf sb = STRBUF_INIT;
 715         const char *cp, *ep;
 716         struct branch *branch;
 717
 718         assert(s->branch && !s->is_initial);
 719         if (prefixcmp(s->branch, "refs/heads/"))
 720                 return;
 721         branch = branch_get(s->branch + 11);
 722         if (!format_tracking_info(branch, &sb))
 723                 return;
 724
 725         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 726                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 727                                  "# %.*s", (int)(ep - cp), cp);
 728         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 729 }
 730
 731 void wt_status_print(struct wt_status *s)
 732 {
 733         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
 734         const char *branch_status_color = color(WT_STATUS_HEADER, s);
 735
 736         if (s->branch) {
 737                 const char *on_what = _("On branch ");
 738                 const char *branch_name = s->branch;
 739                 if (!prefixcmp(branch_name, "refs/heads/"))
 740                         branch_name += 11;
 741                 else if (!strcmp(branch_name, "HEAD")) {
 742                         branch_name = "";
 743                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
 744                         on_what = _("Not currently on any branch.");
 745                 }
 746                 status_printf(s, color(WT_STATUS_HEADER, s), "");
 747                 status_printf_more(s, branch_status_color, "%s", on_what);
 748                 status_printf_more(s, branch_color, "%s\n", branch_name);
 749                 if (!s->is_initial)
 750                         wt_status_print_tracking(s);
 751         }
 752
 753         if (s->is_initial) {
 754                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 755                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
 756                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 757         }
 758
 759         wt_status_print_updated(s);
 760         wt_status_print_unmerged(s);
 761         wt_status_print_changed(s);
 762         if (s->submodule_summary &&
 763             (!s->ignore_submodule_arg ||
 764              strcmp(s->ignore_submodule_arg, "all"))) {
 765                 wt_status_print_submodule_summary(s, 0);  /* staged */
 766                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
 767         }
 768         if (s->show_untracked_files) {
 769                 wt_status_print_other(s, &s->untracked, _("Untracked"), "add");
 770                 if (s->show_ignored_files)
 771                         wt_status_print_other(s, &s->ignored, _("Ignored"), "add -f");
 772         } else if (s->commitable)
 773                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
 774                         advice_status_hints
 775                         ? _(" (use -u option to show untracked files)") : "");
 776
 777         if (s->verbose)
 778                 wt_status_print_verbose(s);
 779         if (!s->commitable) {
 780                 if (s->amend)
 781                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
 782                 else if (s->nowarn)
 783                         ; /* nothing */
 784                 else if (s->workdir_dirty)
 785                         printf(_("no changes added to commit%s\n"),
 786                                 advice_status_hints
 787                                 ? _(" (use \"git add\" and/or \"git commit -a\")") : "");
 788                 else if (s->untracked.nr)
 789                         printf(_("nothing added to commit but untracked files present%s\n"),
 790                                 advice_status_hints
 791                                 ? _(" (use \"git add\" to track)") : "");
 792                 else if (s->is_initial)
 793                         printf(_("nothing to commit%s\n"), advice_status_hints
 794                                 ? _(" (create/copy files and use \"git add\" to track)") : "");
 795                 else if (!s->show_untracked_files)
 796                         printf(_("nothing to commit%s\n"), advice_status_hints
 797                                 ? _(" (use -u to show untracked files)") : "");
 798                 else
 799                         printf(_("nothing to commit%s\n"), advice_status_hints
 800                                 ? _(" (working directory clean)") : "");
 801         }
 802 }
 803
 804 static void wt_shortstatus_unmerged(struct string_list_item *it,
 805                            struct wt_status *s)
 806 {
 807         struct wt_status_change_data *d = it->util;
 808         const char *how = "??";
 809
 810         switch (d->stagemask) {
 811         case 1: how = "DD"; break; /* both deleted */
 812         case 2: how = "AU"; break; /* added by us */
 813         case 3: how = "UD"; break; /* deleted by them */
 814         case 4: how = "UA"; break; /* added by them */
 815         case 5: how = "DU"; break; /* deleted by us */
 816         case 6: how = "AA"; break; /* both added */
 817         case 7: how = "UU"; break; /* both modified */
 818         }
 819         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 820         if (s->null_termination) {
 821                 fprintf(stdout, " %s%c", it->string, 0);
 822         } else {
 823                 struct strbuf onebuf = STRBUF_INIT;
 824                 const char *one;
 825                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 826                 printf(" %s\n", one);
 827                 strbuf_release(&onebuf);
 828         }
 829 }
 830
 831 static void wt_shortstatus_status(struct string_list_item *it,
 832                          struct wt_status *s)
 833 {
 834         struct wt_status_change_data *d = it->util;
 835
 836         if (d->index_status)
 837                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 838         else
 839                 putchar(' ');
 840         if (d->worktree_status)
 841                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 842         else
 843                 putchar(' ');
 844         putchar(' ');
 845         if (s->null_termination) {
 846                 fprintf(stdout, "%s%c", it->string, 0);
 847                 if (d->head_path)
 848                         fprintf(stdout, "%s%c", d->head_path, 0);
 849         } else {
 850                 struct strbuf onebuf = STRBUF_INIT;
 851                 const char *one;
 852                 if (d->head_path) {
 853                         one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 854                         if (*one != '"' && strchr(one, ' ') != NULL) {
 855                                 putchar('"');
 856                                 strbuf_addch(&onebuf, '"');
 857                                 one = onebuf.buf;
 858                         }
 859                         printf("%s -> ", one);
 860                         strbuf_release(&onebuf);
 861                 }
 862                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 863                 if (*one != '"' && strchr(one, ' ') != NULL) {
 864                         putchar('"');
 865                         strbuf_addch(&onebuf, '"');
 866                         one = onebuf.buf;
 867                 }
 868                 printf("%s\n", one);
 869                 strbuf_release(&onebuf);
 870         }
 871 }
 872
 873 static void wt_shortstatus_other(struct string_list_item *it,
 874                                  struct wt_status *s, const char *sign)
 875 {
 876         if (s->null_termination) {
 877                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
 878         } else {
 879                 struct strbuf onebuf = STRBUF_INIT;
 880                 const char *one;
 881                 one = quote_path(it->string, -1, &onebuf, s->prefix);
 882                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
 883                 printf(" %s\n", one);
 884                 strbuf_release(&onebuf);
 885         }
 886 }
 887
 888 static void wt_shortstatus_print_tracking(struct wt_status *s)
 889 {
 890         struct branch *branch;
 891         const char *header_color = color(WT_STATUS_HEADER, s);
 892         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
 893         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
 894
 895         const char *base;
 896         const char *branch_name;
 897         int num_ours, num_theirs;
 898
 899         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
 900
 901         if (!s->branch)
 902                 return;
 903         branch_name = s->branch;
 904
 905         if (!prefixcmp(branch_name, "refs/heads/"))
 906                 branch_name += 11;
 907         else if (!strcmp(branch_name, "HEAD")) {
 908                 branch_name = _("HEAD (no branch)");
 909                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
 910         }
 911
 912         branch = branch_get(s->branch + 11);
 913         if (s->is_initial)
 914                 color_fprintf(s->fp, header_color, _("Initial commit on "));
 915         if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
 916                 color_fprintf(s->fp, branch_color_local, "%s", branch_name);
 917                 fputc(s->null_termination ? '\0' : '\n', s->fp);
 918                 return;
 919         }
 920
 921         base = branch->merge[0]->dst;
 922         base = shorten_unambiguous_ref(base, 0);
 923         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
 924         color_fprintf(s->fp, header_color, "...");
 925         color_fprintf(s->fp, branch_color_remote, "%s", base);
 926
 927         color_fprintf(s->fp, header_color, " [");
 928         if (!num_ours) {
 929                 color_fprintf(s->fp, header_color, _("behind "));
 930                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 931         } else if (!num_theirs) {
 932                 color_fprintf(s->fp, header_color, _("ahead "));
 933                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 934         } else {
 935                 color_fprintf(s->fp, header_color, _("ahead "));
 936                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 937                 color_fprintf(s->fp, header_color, _(", behind "));
 938                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 939         }
 940
 941         color_fprintf(s->fp, header_color, "]");
 942         fputc(s->null_termination ? '\0' : '\n', s->fp);
 943 }
 944
 945 void wt_shortstatus_print(struct wt_status *s)
 946 {
 947         int i;
 948
 949         if (s->show_branch)
 950                 wt_shortstatus_print_tracking(s);
 951
 952         for (i = 0; i < s->change.nr; i++) {
 953                 struct wt_status_change_data *d;
 954                 struct string_list_item *it;
 955
 956                 it = &(s->change.items[i]);
 957                 d = it->util;
 958                 if (d->stagemask)
 959                         wt_shortstatus_unmerged(it, s);
 960                 else
 961                         wt_shortstatus_status(it, s);
 962         }
 963         for (i = 0; i < s->untracked.nr; i++) {
 964                 struct string_list_item *it;
 965
 966                 it = &(s->untracked.items[i]);
 967                 wt_shortstatus_other(it, s, "??");
 968         }
 969         for (i = 0; i < s->ignored.nr; i++) {
 970                 struct string_list_item *it;
 971
 972                 it = &(s->ignored.items[i]);
 973                 wt_shortstatus_other(it, s, "!!");
 974         }
 975 }
 976
 977 void wt_porcelain_print(struct wt_status *s)
 978 {
 979         s->use_color = 0;
 980         s->relative_paths = 0;
 981         s->prefix = NULL;
 982         wt_shortstatus_print(s);
 983 }