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 "argv-array.h"
  13 #include "remote.h"
  14 #include "refs.h"
  15 #include "submodule.h"
  16 #include "column.h"
  17 #include "strbuf.h"
  18 #include "utf8.h"
  19
  20 static char cut_line[] =
  21 "------------------------ >8 ------------------------\n";
  22
  23 static char default_wt_status_colors[][COLOR_MAXLEN] = {
  24         GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  25         GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  26         GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  27         GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  28         GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  29         GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  30         GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  31         GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  32         GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  33 };
  34
  35 static const char *color(int slot, struct wt_status *s)
  36 {
  37         const char *c = "";
  38         if (want_color(s->use_color))
  39                 c = s->color_palette[slot];
  40         if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  41                 c = s->color_palette[WT_STATUS_HEADER];
  42         return c;
  43 }
  44
  45 static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  46                 const char *fmt, va_list ap, const char *trail)
  47 {
  48         struct strbuf sb = STRBUF_INIT;
  49         struct strbuf linebuf = STRBUF_INIT;
  50         const char *line, *eol;
  51
  52         strbuf_vaddf(&sb, fmt, ap);
  53         if (!sb.len) {
  54                 if (s->display_comment_prefix) {
  55                         strbuf_addch(&sb, comment_line_char);
  56                         if (!trail)
  57                                 strbuf_addch(&sb, ' ');
  58                 }
  59                 color_print_strbuf(s->fp, color, &sb);
  60                 if (trail)
  61                         fprintf(s->fp, "%s", trail);
  62                 strbuf_release(&sb);
  63                 return;
  64         }
  65         for (line = sb.buf; *line; line = eol + 1) {
  66                 eol = strchr(line, '\n');
  67
  68                 strbuf_reset(&linebuf);
  69                 if (at_bol && s->display_comment_prefix) {
  70                         strbuf_addch(&linebuf, comment_line_char);
  71                         if (*line != '\n' && *line != '\t')
  72                                 strbuf_addch(&linebuf, ' ');
  73                 }
  74                 if (eol)
  75                         strbuf_add(&linebuf, line, eol - line);
  76                 else
  77                         strbuf_addstr(&linebuf, line);
  78                 color_print_strbuf(s->fp, color, &linebuf);
  79                 if (eol)
  80                         fprintf(s->fp, "\n");
  81                 else
  82                         break;
  83                 at_bol = 1;
  84         }
  85         if (trail)
  86                 fprintf(s->fp, "%s", trail);
  87         strbuf_release(&linebuf);
  88         strbuf_release(&sb);
  89 }
  90
  91 void status_printf_ln(struct wt_status *s, const char *color,
  92                         const char *fmt, ...)
  93 {
  94         va_list ap;
  95
  96         va_start(ap, fmt);
  97         status_vprintf(s, 1, color, fmt, ap, "\n");
  98         va_end(ap);
  99 }
 100
 101 void status_printf(struct wt_status *s, const char *color,
 102                         const char *fmt, ...)
 103 {
 104         va_list ap;
 105
 106         va_start(ap, fmt);
 107         status_vprintf(s, 1, color, fmt, ap, NULL);
 108         va_end(ap);
 109 }
 110
 111 static void status_printf_more(struct wt_status *s, const char *color,
 112                                const char *fmt, ...)
 113 {
 114         va_list ap;
 115
 116         va_start(ap, fmt);
 117         status_vprintf(s, 0, color, fmt, ap, NULL);
 118         va_end(ap);
 119 }
 120
 121 void wt_status_prepare(struct wt_status *s)
 122 {
 123         unsigned char sha1[20];
 124
 125         memset(s, 0, sizeof(*s));
 126         memcpy(s->color_palette, default_wt_status_colors,
 127                sizeof(default_wt_status_colors));
 128         s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 129         s->use_color = -1;
 130         s->relative_paths = 1;
 131         s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 132         s->reference = "HEAD";
 133         s->fp = stdout;
 134         s->index_file = get_index_file();
 135         s->change.strdup_strings = 1;
 136         s->untracked.strdup_strings = 1;
 137         s->ignored.strdup_strings = 1;
 138         s->show_branch = -1;  /* unspecified */
 139         s->display_comment_prefix = 0;
 140 }
 141
 142 static void wt_status_print_unmerged_header(struct wt_status *s)
 143 {
 144         int i;
 145         int del_mod_conflict = 0;
 146         int both_deleted = 0;
 147         int not_deleted = 0;
 148         const char *c = color(WT_STATUS_HEADER, s);
 149
 150         status_printf_ln(s, c, _("Unmerged paths:"));
 151
 152         for (i = 0; i < s->change.nr; i++) {
 153                 struct string_list_item *it = &(s->change.items[i]);
 154                 struct wt_status_change_data *d = it->util;
 155
 156                 switch (d->stagemask) {
 157                 case 0:
 158                         break;
 159                 case 1:
 160                         both_deleted = 1;
 161                         break;
 162                 case 3:
 163                 case 5:
 164                         del_mod_conflict = 1;
 165                         break;
 166                 default:
 167                         not_deleted = 1;
 168                         break;
 169                 }
 170         }
 171
 172         if (!s->hints)
 173                 return;
 174         if (s->whence != FROM_COMMIT)
 175                 ;
 176         else if (!s->is_initial)
 177                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 178         else
 179                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 180
 181         if (!both_deleted) {
 182                 if (!del_mod_conflict)
 183                         status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 184                 else
 185                         status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 186         } else if (!del_mod_conflict && !not_deleted) {
 187                 status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 188         } else {
 189                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 190         }
 191         status_printf_ln(s, c, "");
 192 }
 193
 194 static void wt_status_print_cached_header(struct wt_status *s)
 195 {
 196         const char *c = color(WT_STATUS_HEADER, s);
 197
 198         status_printf_ln(s, c, _("Changes to be committed:"));
 199         if (!s->hints)
 200                 return;
 201         if (s->whence != FROM_COMMIT)
 202                 ; /* NEEDSWORK: use "git reset --unresolve"??? */
 203         else if (!s->is_initial)
 204                 status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 205         else
 206                 status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 207         status_printf_ln(s, c, "");
 208 }
 209
 210 static void wt_status_print_dirty_header(struct wt_status *s,
 211                                          int has_deleted,
 212                                          int has_dirty_submodules)
 213 {
 214         const char *c = color(WT_STATUS_HEADER, s);
 215
 216         status_printf_ln(s, c, _("Changes not staged for commit:"));
 217         if (!s->hints)
 218                 return;
 219         if (!has_deleted)
 220                 status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 221         else
 222                 status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 223         status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 224         if (has_dirty_submodules)
 225                 status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 226         status_printf_ln(s, c, "");
 227 }
 228
 229 static void wt_status_print_other_header(struct wt_status *s,
 230                                          const char *what,
 231                                          const char *how)
 232 {
 233         const char *c = color(WT_STATUS_HEADER, s);
 234         status_printf_ln(s, c, "%s:", what);
 235         if (!s->hints)
 236                 return;
 237         status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 238         status_printf_ln(s, c, "");
 239 }
 240
 241 static void wt_status_print_trailer(struct wt_status *s)
 242 {
 243         status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 244 }
 245
 246 #define quote_path quote_path_relative
 247
 248 static const char *wt_status_unmerged_status_string(int stagemask)
 249 {
 250         switch (stagemask) {
 251         case 1:
 252                 return _("both deleted:");
 253         case 2:
 254                 return _("added by us:");
 255         case 3:
 256                 return _("deleted by them:");
 257         case 4:
 258                 return _("added by them:");
 259         case 5:
 260                 return _("deleted by us:");
 261         case 6:
 262                 return _("both added:");
 263         case 7:
 264                 return _("both modified:");
 265         default:
 266                 die(_("bug: unhandled unmerged status %x"), stagemask);
 267         }
 268 }
 269
 270 static const char *wt_status_diff_status_string(int status)
 271 {
 272         switch (status) {
 273         case DIFF_STATUS_ADDED:
 274                 return _("new file:");
 275         case DIFF_STATUS_COPIED:
 276                 return _("copied:");
 277         case DIFF_STATUS_DELETED:
 278                 return _("deleted:");
 279         case DIFF_STATUS_MODIFIED:
 280                 return _("modified:");
 281         case DIFF_STATUS_RENAMED:
 282                 return _("renamed:");
 283         case DIFF_STATUS_TYPE_CHANGED:
 284                 return _("typechange:");
 285         case DIFF_STATUS_UNKNOWN:
 286                 return _("unknown:");
 287         case DIFF_STATUS_UNMERGED:
 288                 return _("unmerged:");
 289         default:
 290                 return NULL;
 291         }
 292 }
 293
 294 static int maxwidth(const char *(*label)(int), int minval, int maxval)
 295 {
 296         int result = 0, i;
 297
 298         for (i = minval; i <= maxval; i++) {
 299                 const char *s = label(i);
 300                 int len = s ? utf8_strwidth(s) : 0;
 301                 if (len > result)
 302                         result = len;
 303         }
 304         return result;
 305 }
 306
 307 static void wt_status_print_unmerged_data(struct wt_status *s,
 308                                           struct string_list_item *it)
 309 {
 310         const char *c = color(WT_STATUS_UNMERGED, s);
 311         struct wt_status_change_data *d = it->util;
 312         struct strbuf onebuf = STRBUF_INIT;
 313         static char *padding;
 314         static int label_width;
 315         const char *one, *how;
 316         int len;
 317
 318         if (!padding) {
 319                 label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
 320                 label_width += strlen(" ");
 321                 padding = xmallocz(label_width);
 322                 memset(padding, ' ', label_width);
 323         }
 324
 325         one = quote_path(it->string, s->prefix, &onebuf);
 326         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 327
 328         how = wt_status_unmerged_status_string(d->stagemask);
 329         len = label_width - utf8_strwidth(how);
 330         status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
 331         strbuf_release(&onebuf);
 332 }
 333
 334 static void wt_status_print_change_data(struct wt_status *s,
 335                                         int change_type,
 336                                         struct string_list_item *it)
 337 {
 338         struct wt_status_change_data *d = it->util;
 339         const char *c = color(change_type, s);
 340         int status;
 341         char *one_name;
 342         char *two_name;
 343         const char *one, *two;
 344         struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 345         struct strbuf extra = STRBUF_INIT;
 346         static char *padding;
 347         static int label_width;
 348         const char *what;
 349         int len;
 350
 351         if (!padding) {
 352                 /* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
 353                 label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
 354                 label_width += strlen(" ");
 355                 padding = xmallocz(label_width);
 356                 memset(padding, ' ', label_width);
 357         }
 358
 359         one_name = two_name = it->string;
 360         switch (change_type) {
 361         case WT_STATUS_UPDATED:
 362                 status = d->index_status;
 363                 if (d->head_path)
 364                         one_name = d->head_path;
 365                 break;
 366         case WT_STATUS_CHANGED:
 367                 if (d->new_submodule_commits || d->dirty_submodule) {
 368                         strbuf_addstr(&extra, " (");
 369                         if (d->new_submodule_commits)
 370                                 strbuf_addf(&extra, _("new commits, "));
 371                         if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 372                                 strbuf_addf(&extra, _("modified content, "));
 373                         if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 374                                 strbuf_addf(&extra, _("untracked content, "));
 375                         strbuf_setlen(&extra, extra.len - 2);
 376                         strbuf_addch(&extra, ')');
 377                 }
 378                 status = d->worktree_status;
 379                 break;
 380         default:
 381                 die("BUG: unhandled change_type %d in wt_status_print_change_data",
 382                     change_type);
 383         }
 384
 385         one = quote_path(one_name, s->prefix, &onebuf);
 386         two = quote_path(two_name, s->prefix, &twobuf);
 387
 388         status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 389         what = wt_status_diff_status_string(status);
 390         if (!what)
 391                 die(_("bug: unhandled diff status %c"), status);
 392         len = label_width - utf8_strwidth(what);
 393         assert(len >= 0);
 394         if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
 395                 status_printf_more(s, c, "%s%.*s%s -> %s",
 396                                    what, len, padding, one, two);
 397         else
 398                 status_printf_more(s, c, "%s%.*s%s",
 399                                    what, len, padding, one);
 400         if (extra.len) {
 401                 status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 402                 strbuf_release(&extra);
 403         }
 404         status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 405         strbuf_release(&onebuf);
 406         strbuf_release(&twobuf);
 407 }
 408
 409 static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 410                                          struct diff_options *options,
 411                                          void *data)
 412 {
 413         struct wt_status *s = data;
 414         int i;
 415
 416         if (!q->nr)
 417                 return;
 418         s->workdir_dirty = 1;
 419         for (i = 0; i < q->nr; i++) {
 420                 struct diff_filepair *p;
 421                 struct string_list_item *it;
 422                 struct wt_status_change_data *d;
 423
 424                 p = q->queue[i];
 425                 it = string_list_insert(&s->change, p->one->path);
 426                 d = it->util;
 427                 if (!d) {
 428                         d = xcalloc(1, sizeof(*d));
 429                         it->util = d;
 430                 }
 431                 if (!d->worktree_status)
 432                         d->worktree_status = p->status;
 433                 d->dirty_submodule = p->two->dirty_submodule;
 434                 if (S_ISGITLINK(p->two->mode))
 435                         d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 436         }
 437 }
 438
 439 static int unmerged_mask(const char *path)
 440 {
 441         int pos, mask;
 442         const struct cache_entry *ce;
 443
 444         pos = cache_name_pos(path, strlen(path));
 445         if (0 <= pos)
 446                 return 0;
 447
 448         mask = 0;
 449         pos = -pos-1;
 450         while (pos < active_nr) {
 451                 ce = active_cache[pos++];
 452                 if (strcmp(ce->name, path) || !ce_stage(ce))
 453                         break;
 454                 mask |= (1 << (ce_stage(ce) - 1));
 455         }
 456         return mask;
 457 }
 458
 459 static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 460                                          struct diff_options *options,
 461                                          void *data)
 462 {
 463         struct wt_status *s = data;
 464         int i;
 465
 466         for (i = 0; i < q->nr; i++) {
 467                 struct diff_filepair *p;
 468                 struct string_list_item *it;
 469                 struct wt_status_change_data *d;
 470
 471                 p = q->queue[i];
 472                 it = string_list_insert(&s->change, p->two->path);
 473                 d = it->util;
 474                 if (!d) {
 475                         d = xcalloc(1, sizeof(*d));
 476                         it->util = d;
 477                 }
 478                 if (!d->index_status)
 479                         d->index_status = p->status;
 480                 switch (p->status) {
 481                 case DIFF_STATUS_COPIED:
 482                 case DIFF_STATUS_RENAMED:
 483                         d->head_path = xstrdup(p->one->path);
 484                         break;
 485                 case DIFF_STATUS_UNMERGED:
 486                         d->stagemask = unmerged_mask(p->two->path);
 487                         break;
 488                 }
 489         }
 490 }
 491
 492 static void wt_status_collect_changes_worktree(struct wt_status *s)
 493 {
 494         struct rev_info rev;
 495
 496         init_revisions(&rev, NULL);
 497         setup_revisions(0, NULL, &rev, NULL);
 498         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 499         DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 500         if (!s->show_untracked_files)
 501                 DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 502         if (s->ignore_submodule_arg) {
 503                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 504                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 505         }
 506         rev.diffopt.format_callback = wt_status_collect_changed_cb;
 507         rev.diffopt.format_callback_data = s;
 508         copy_pathspec(&rev.prune_data, &s->pathspec);
 509         run_diff_files(&rev, 0);
 510 }
 511
 512 static void wt_status_collect_changes_index(struct wt_status *s)
 513 {
 514         struct rev_info rev;
 515         struct setup_revision_opt opt;
 516
 517         init_revisions(&rev, NULL);
 518         memset(&opt, 0, sizeof(opt));
 519         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 520         setup_revisions(0, NULL, &rev, &opt);
 521
 522         if (s->ignore_submodule_arg) {
 523                 DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 524                 handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 525         }
 526
 527         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 528         rev.diffopt.format_callback = wt_status_collect_updated_cb;
 529         rev.diffopt.format_callback_data = s;
 530         rev.diffopt.detect_rename = 1;
 531         rev.diffopt.rename_limit = 200;
 532         rev.diffopt.break_opt = 0;
 533         copy_pathspec(&rev.prune_data, &s->pathspec);
 534         run_diff_index(&rev, 1);
 535 }
 536
 537 static void wt_status_collect_changes_initial(struct wt_status *s)
 538 {
 539         int i;
 540
 541         for (i = 0; i < active_nr; i++) {
 542                 struct string_list_item *it;
 543                 struct wt_status_change_data *d;
 544                 const struct cache_entry *ce = active_cache[i];
 545
 546                 if (!ce_path_match(ce, &s->pathspec, NULL))
 547                         continue;
 548                 it = string_list_insert(&s->change, ce->name);
 549                 d = it->util;
 550                 if (!d) {
 551                         d = xcalloc(1, sizeof(*d));
 552                         it->util = d;
 553                 }
 554                 if (ce_stage(ce)) {
 555                         d->index_status = DIFF_STATUS_UNMERGED;
 556                         d->stagemask |= (1 << (ce_stage(ce) - 1));
 557                 }
 558                 else
 559                         d->index_status = DIFF_STATUS_ADDED;
 560         }
 561 }
 562
 563 static void wt_status_collect_untracked(struct wt_status *s)
 564 {
 565         int i;
 566         struct dir_struct dir;
 567         struct timeval t_begin;
 568
 569         if (!s->show_untracked_files)
 570                 return;
 571
 572         if (advice_status_u_option)
 573                 gettimeofday(&t_begin, NULL);
 574
 575         memset(&dir, 0, sizeof(dir));
 576         if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 577                 dir.flags |=
 578                         DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 579         if (s->show_ignored_files)
 580                 dir.flags |= DIR_SHOW_IGNORED_TOO;
 581         setup_standard_excludes(&dir);
 582
 583         fill_directory(&dir, &s->pathspec);
 584
 585         for (i = 0; i < dir.nr; i++) {
 586                 struct dir_entry *ent = dir.entries[i];
 587                 if (cache_name_is_other(ent->name, ent->len) &&
 588                     dir_path_match(ent, &s->pathspec, 0, NULL))
 589                         string_list_insert(&s->untracked, ent->name);
 590                 free(ent);
 591         }
 592
 593         for (i = 0; i < dir.ignored_nr; i++) {
 594                 struct dir_entry *ent = dir.ignored[i];
 595                 if (cache_name_is_other(ent->name, ent->len) &&
 596                     dir_path_match(ent, &s->pathspec, 0, NULL))
 597                         string_list_insert(&s->ignored, ent->name);
 598                 free(ent);
 599         }
 600
 601         free(dir.entries);
 602         free(dir.ignored);
 603         clear_directory(&dir);
 604
 605         if (advice_status_u_option) {
 606                 struct timeval t_end;
 607                 gettimeofday(&t_end, NULL);
 608                 s->untracked_in_ms =
 609                         (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 610                         ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 611         }
 612 }
 613
 614 void wt_status_collect(struct wt_status *s)
 615 {
 616         wt_status_collect_changes_worktree(s);
 617
 618         if (s->is_initial)
 619                 wt_status_collect_changes_initial(s);
 620         else
 621                 wt_status_collect_changes_index(s);
 622         wt_status_collect_untracked(s);
 623 }
 624
 625 static void wt_status_print_unmerged(struct wt_status *s)
 626 {
 627         int shown_header = 0;
 628         int i;
 629
 630         for (i = 0; i < s->change.nr; i++) {
 631                 struct wt_status_change_data *d;
 632                 struct string_list_item *it;
 633                 it = &(s->change.items[i]);
 634                 d = it->util;
 635                 if (!d->stagemask)
 636                         continue;
 637                 if (!shown_header) {
 638                         wt_status_print_unmerged_header(s);
 639                         shown_header = 1;
 640                 }
 641                 wt_status_print_unmerged_data(s, it);
 642         }
 643         if (shown_header)
 644                 wt_status_print_trailer(s);
 645
 646 }
 647
 648 static void wt_status_print_updated(struct wt_status *s)
 649 {
 650         int shown_header = 0;
 651         int i;
 652
 653         for (i = 0; i < s->change.nr; i++) {
 654                 struct wt_status_change_data *d;
 655                 struct string_list_item *it;
 656                 it = &(s->change.items[i]);
 657                 d = it->util;
 658                 if (!d->index_status ||
 659                     d->index_status == DIFF_STATUS_UNMERGED)
 660                         continue;
 661                 if (!shown_header) {
 662                         wt_status_print_cached_header(s);
 663                         s->commitable = 1;
 664                         shown_header = 1;
 665                 }
 666                 wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 667         }
 668         if (shown_header)
 669                 wt_status_print_trailer(s);
 670 }
 671
 672 /*
 673  * -1 : has delete
 674  *  0 : no change
 675  *  1 : some change but no delete
 676  */
 677 static int wt_status_check_worktree_changes(struct wt_status *s,
 678                                              int *dirty_submodules)
 679 {
 680         int i;
 681         int changes = 0;
 682
 683         *dirty_submodules = 0;
 684
 685         for (i = 0; i < s->change.nr; i++) {
 686                 struct wt_status_change_data *d;
 687                 d = s->change.items[i].util;
 688                 if (!d->worktree_status ||
 689                     d->worktree_status == DIFF_STATUS_UNMERGED)
 690                         continue;
 691                 if (!changes)
 692                         changes = 1;
 693                 if (d->dirty_submodule)
 694                         *dirty_submodules = 1;
 695                 if (d->worktree_status == DIFF_STATUS_DELETED)
 696                         changes = -1;
 697         }
 698         return changes;
 699 }
 700
 701 static void wt_status_print_changed(struct wt_status *s)
 702 {
 703         int i, dirty_submodules;
 704         int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 705
 706         if (!worktree_changes)
 707                 return;
 708
 709         wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 710
 711         for (i = 0; i < s->change.nr; i++) {
 712                 struct wt_status_change_data *d;
 713                 struct string_list_item *it;
 714                 it = &(s->change.items[i]);
 715                 d = it->util;
 716                 if (!d->worktree_status ||
 717                     d->worktree_status == DIFF_STATUS_UNMERGED)
 718                         continue;
 719                 wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 720         }
 721         wt_status_print_trailer(s);
 722 }
 723
 724 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 725 {
 726         struct child_process sm_summary;
 727         char summary_limit[64];
 728         char index[PATH_MAX];
 729         const char *env[] = { NULL, NULL };
 730         struct argv_array argv = ARGV_ARRAY_INIT;
 731         struct strbuf cmd_stdout = STRBUF_INIT;
 732         struct strbuf summary = STRBUF_INIT;
 733         char *summary_content;
 734         size_t len;
 735
 736         sprintf(summary_limit, "%d", s->submodule_summary);
 737         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 738
 739         env[0] = index;
 740         argv_array_push(&argv, "submodule");
 741         argv_array_push(&argv, "summary");
 742         argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 743         argv_array_push(&argv, "--for-status");
 744         argv_array_push(&argv, "--summary-limit");
 745         argv_array_push(&argv, summary_limit);
 746         if (!uncommitted)
 747                 argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 748
 749         memset(&sm_summary, 0, sizeof(sm_summary));
 750         sm_summary.argv = argv.argv;
 751         sm_summary.env = env;
 752         sm_summary.git_cmd = 1;
 753         sm_summary.no_stdin = 1;
 754         fflush(s->fp);
 755         sm_summary.out = -1;
 756
 757         run_command(&sm_summary);
 758         argv_array_clear(&argv);
 759
 760         len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 761
 762         /* prepend header, only if there's an actual output */
 763         if (len) {
 764                 if (uncommitted)
 765                         strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 766                 else
 767                         strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 768                 strbuf_addstr(&summary, "\n\n");
 769         }
 770         strbuf_addbuf(&summary, &cmd_stdout);
 771         strbuf_release(&cmd_stdout);
 772
 773         if (s->display_comment_prefix) {
 774                 summary_content = strbuf_detach(&summary, &len);
 775                 strbuf_add_commented_lines(&summary, summary_content, len);
 776                 free(summary_content);
 777         }
 778
 779         fputs(summary.buf, s->fp);
 780         strbuf_release(&summary);
 781 }
 782
 783 static void wt_status_print_other(struct wt_status *s,
 784                                   struct string_list *l,
 785                                   const char *what,
 786                                   const char *how)
 787 {
 788         int i;
 789         struct strbuf buf = STRBUF_INIT;
 790         static struct string_list output = STRING_LIST_INIT_DUP;
 791         struct column_options copts;
 792
 793         if (!l->nr)
 794                 return;
 795
 796         wt_status_print_other_header(s, what, how);
 797
 798         for (i = 0; i < l->nr; i++) {
 799                 struct string_list_item *it;
 800                 const char *path;
 801                 it = &(l->items[i]);
 802                 path = quote_path(it->string, s->prefix, &buf);
 803                 if (column_active(s->colopts)) {
 804                         string_list_append(&output, path);
 805                         continue;
 806                 }
 807                 status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 808                 status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 809                                    "%s\n", path);
 810         }
 811
 812         strbuf_release(&buf);
 813         if (!column_active(s->colopts))
 814                 goto conclude;
 815
 816         strbuf_addf(&buf, "%s%s\t%s",
 817                     color(WT_STATUS_HEADER, s),
 818                     s->display_comment_prefix ? "#" : "",
 819                     color(WT_STATUS_UNTRACKED, s));
 820         memset(&copts, 0, sizeof(copts));
 821         copts.padding = 1;
 822         copts.indent = buf.buf;
 823         if (want_color(s->use_color))
 824                 copts.nl = GIT_COLOR_RESET "\n";
 825         print_columns(&output, s->colopts, &copts);
 826         string_list_clear(&output, 0);
 827         strbuf_release(&buf);
 828 conclude:
 829         status_printf_ln(s, GIT_COLOR_NORMAL, "");
 830 }
 831
 832 void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
 833 {
 834         const char *p;
 835         struct strbuf pattern = STRBUF_INIT;
 836
 837         strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
 838         p = strstr(buf->buf, pattern.buf);
 839         if (p && (p == buf->buf || p[-1] == '\n'))
 840                 strbuf_setlen(buf, p - buf->buf);
 841         strbuf_release(&pattern);
 842 }
 843
 844 static void wt_status_print_verbose(struct wt_status *s)
 845 {
 846         struct rev_info rev;
 847         struct setup_revision_opt opt;
 848
 849         init_revisions(&rev, NULL);
 850         DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 851
 852         memset(&opt, 0, sizeof(opt));
 853         opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 854         setup_revisions(0, NULL, &rev, &opt);
 855
 856         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 857         rev.diffopt.detect_rename = 1;
 858         rev.diffopt.file = s->fp;
 859         rev.diffopt.close_file = 0;
 860         /*
 861          * If we're not going to stdout, then we definitely don't
 862          * want color, since we are going to the commit message
 863          * file (and even the "auto" setting won't work, since it
 864          * will have checked isatty on stdout). But we then do want
 865          * to insert the scissor line here to reliably remove the
 866          * diff before committing.
 867          */
 868         if (s->fp != stdout) {
 869                 const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
 870                 struct strbuf buf = STRBUF_INIT;
 871
 872                 rev.diffopt.use_color = 0;
 873                 fprintf(s->fp, "%c %s", comment_line_char, cut_line);
 874                 strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
 875                 fputs(buf.buf, s->fp);
 876                 strbuf_release(&buf);
 877         }
 878         run_diff_index(&rev, 1);
 879 }
 880
 881 static void wt_status_print_tracking(struct wt_status *s)
 882 {
 883         struct strbuf sb = STRBUF_INIT;
 884         const char *cp, *ep;
 885         struct branch *branch;
 886         char comment_line_string[3];
 887         int i;
 888
 889         assert(s->branch && !s->is_initial);
 890         if (!starts_with(s->branch, "refs/heads/"))
 891                 return;
 892         branch = branch_get(s->branch + 11);
 893         if (!format_tracking_info(branch, &sb))
 894                 return;
 895
 896         i = 0;
 897         if (s->display_comment_prefix) {
 898                 comment_line_string[i++] = comment_line_char;
 899                 comment_line_string[i++] = ' ';
 900         }
 901         comment_line_string[i] = '\0';
 902
 903         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 904                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 905                                  "%s%.*s", comment_line_string,
 906                                  (int)(ep - cp), cp);
 907         if (s->display_comment_prefix)
 908                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 909                                  comment_line_char);
 910         else
 911                 fprintf_ln(s->fp, "");
 912 }
 913
 914 static int has_unmerged(struct wt_status *s)
 915 {
 916         int i;
 917
 918         for (i = 0; i < s->change.nr; i++) {
 919                 struct wt_status_change_data *d;
 920                 d = s->change.items[i].util;
 921                 if (d->stagemask)
 922                         return 1;
 923         }
 924         return 0;
 925 }
 926
 927 static void show_merge_in_progress(struct wt_status *s,
 928                                 struct wt_status_state *state,
 929                                 const char *color)
 930 {
 931         if (has_unmerged(s)) {
 932                 status_printf_ln(s, color, _("You have unmerged paths."));
 933                 if (s->hints)
 934                         status_printf_ln(s, color,
 935                                 _("  (fix conflicts and run \"git commit\")"));
 936         } else {
 937                 status_printf_ln(s, color,
 938                         _("All conflicts fixed but you are still merging."));
 939                 if (s->hints)
 940                         status_printf_ln(s, color,
 941                                 _("  (use \"git commit\" to conclude merge)"));
 942         }
 943         wt_status_print_trailer(s);
 944 }
 945
 946 static void show_am_in_progress(struct wt_status *s,
 947                                 struct wt_status_state *state,
 948                                 const char *color)
 949 {
 950         status_printf_ln(s, color,
 951                 _("You are in the middle of an am session."));
 952         if (state->am_empty_patch)
 953                 status_printf_ln(s, color,
 954                         _("The current patch is empty."));
 955         if (s->hints) {
 956                 if (!state->am_empty_patch)
 957                         status_printf_ln(s, color,
 958                                 _("  (fix conflicts and then run \"git am --continue\")"));
 959                 status_printf_ln(s, color,
 960                         _("  (use \"git am --skip\" to skip this patch)"));
 961                 status_printf_ln(s, color,
 962                         _("  (use \"git am --abort\" to restore the original branch)"));
 963         }
 964         wt_status_print_trailer(s);
 965 }
 966
 967 static char *read_line_from_git_path(const char *filename)
 968 {
 969         struct strbuf buf = STRBUF_INIT;
 970         FILE *fp = fopen(git_path("%s", filename), "r");
 971         if (!fp) {
 972                 strbuf_release(&buf);
 973                 return NULL;
 974         }
 975         strbuf_getline(&buf, fp, '\n');
 976         if (!fclose(fp)) {
 977                 return strbuf_detach(&buf, NULL);
 978         } else {
 979                 strbuf_release(&buf);
 980                 return NULL;
 981         }
 982 }
 983
 984 static int split_commit_in_progress(struct wt_status *s)
 985 {
 986         int split_in_progress = 0;
 987         char *head = read_line_from_git_path("HEAD");
 988         char *orig_head = read_line_from_git_path("ORIG_HEAD");
 989         char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 990         char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 991
 992         if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 993             !s->branch || strcmp(s->branch, "HEAD"))
 994                 return split_in_progress;
 995
 996         if (!strcmp(rebase_amend, rebase_orig_head)) {
 997                 if (strcmp(head, rebase_amend))
 998                         split_in_progress = 1;
 999         } else if (strcmp(orig_head, rebase_orig_head)) {
1000                 split_in_progress = 1;
1001         }
1002
1003         if (!s->amend && !s->nowarn && !s->workdir_dirty)
1004                 split_in_progress = 0;
1005
1006         free(head);
1007         free(orig_head);
1008         free(rebase_amend);
1009         free(rebase_orig_head);
1010         return split_in_progress;
1011 }
1012
1013 static void show_rebase_in_progress(struct wt_status *s,
1014                                 struct wt_status_state *state,
1015                                 const char *color)
1016 {
1017         struct stat st;
1018
1019         if (has_unmerged(s)) {
1020                 if (state->branch)
1021                         status_printf_ln(s, color,
1022                                          _("You are currently rebasing branch '%s' on '%s'."),
1023                                          state->branch,
1024                                          state->onto);
1025                 else
1026                         status_printf_ln(s, color,
1027                                          _("You are currently rebasing."));
1028                 if (s->hints) {
1029                         status_printf_ln(s, color,
1030                                 _("  (fix conflicts and then run \"git rebase --continue\")"));
1031                         status_printf_ln(s, color,
1032                                 _("  (use \"git rebase --skip\" to skip this patch)"));
1033                         status_printf_ln(s, color,
1034                                 _("  (use \"git rebase --abort\" to check out the original branch)"));
1035                 }
1036         } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
1037                 if (state->branch)
1038                         status_printf_ln(s, color,
1039                                          _("You are currently rebasing branch '%s' on '%s'."),
1040                                          state->branch,
1041                                          state->onto);
1042                 else
1043                         status_printf_ln(s, color,
1044                                          _("You are currently rebasing."));
1045                 if (s->hints)
1046                         status_printf_ln(s, color,
1047                                 _("  (all conflicts fixed: run \"git rebase --continue\")"));
1048         } else if (split_commit_in_progress(s)) {
1049                 if (state->branch)
1050                         status_printf_ln(s, color,
1051                                          _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1052                                          state->branch,
1053                                          state->onto);
1054                 else
1055                         status_printf_ln(s, color,
1056                                          _("You are currently splitting a commit during a rebase."));
1057                 if (s->hints)
1058                         status_printf_ln(s, color,
1059                                 _("  (Once your working directory is clean, run \"git rebase --continue\")"));
1060         } else {
1061                 if (state->branch)
1062                         status_printf_ln(s, color,
1063                                          _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1064                                          state->branch,
1065                                          state->onto);
1066                 else
1067                         status_printf_ln(s, color,
1068                                          _("You are currently editing a commit during a rebase."));
1069                 if (s->hints && !s->amend) {
1070                         status_printf_ln(s, color,
1071                                 _("  (use \"git commit --amend\" to amend the current commit)"));
1072                         status_printf_ln(s, color,
1073                                 _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
1074                 }
1075         }
1076         wt_status_print_trailer(s);
1077 }
1078
1079 static void show_cherry_pick_in_progress(struct wt_status *s,
1080                                         struct wt_status_state *state,
1081                                         const char *color)
1082 {
1083         status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1084                         find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1085         if (s->hints) {
1086                 if (has_unmerged(s))
1087                         status_printf_ln(s, color,
1088                                 _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1089                 else
1090                         status_printf_ln(s, color,
1091                                 _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1092                 status_printf_ln(s, color,
1093                         _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1094         }
1095         wt_status_print_trailer(s);
1096 }
1097
1098 static void show_revert_in_progress(struct wt_status *s,
1099                                         struct wt_status_state *state,
1100                                         const char *color)
1101 {
1102         status_printf_ln(s, color, _("You are currently reverting commit %s."),
1103                          find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1104         if (s->hints) {
1105                 if (has_unmerged(s))
1106                         status_printf_ln(s, color,
1107                                 _("  (fix conflicts and run \"git revert --continue\")"));
1108                 else
1109                         status_printf_ln(s, color,
1110                                 _("  (all conflicts fixed: run \"git revert --continue\")"));
1111                 status_printf_ln(s, color,
1112                         _("  (use \"git revert --abort\" to cancel the revert operation)"));
1113         }
1114         wt_status_print_trailer(s);
1115 }
1116
1117 static void show_bisect_in_progress(struct wt_status *s,
1118                                 struct wt_status_state *state,
1119                                 const char *color)
1120 {
1121         if (state->branch)
1122                 status_printf_ln(s, color,
1123                                  _("You are currently bisecting, started from branch '%s'."),
1124                                  state->branch);
1125         else
1126                 status_printf_ln(s, color,
1127                                  _("You are currently bisecting."));
1128         if (s->hints)
1129                 status_printf_ln(s, color,
1130                         _("  (use \"git bisect reset\" to get back to the original branch)"));
1131         wt_status_print_trailer(s);
1132 }
1133
1134 /*
1135  * Extract branch information from rebase/bisect
1136  */
1137 static char *read_and_strip_branch(const char *path)
1138 {
1139         struct strbuf sb = STRBUF_INIT;
1140         unsigned char sha1[20];
1141
1142         if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1143                 goto got_nothing;
1144
1145         while (&sb.len && sb.buf[sb.len - 1] == '\n')
1146                 strbuf_setlen(&sb, sb.len - 1);
1147         if (!sb.len)
1148                 goto got_nothing;
1149         if (starts_with(sb.buf, "refs/heads/"))
1150                 strbuf_remove(&sb,0, strlen("refs/heads/"));
1151         else if (starts_with(sb.buf, "refs/"))
1152                 ;
1153         else if (!get_sha1_hex(sb.buf, sha1)) {
1154                 const char *abbrev;
1155                 abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1156                 strbuf_reset(&sb);
1157                 strbuf_addstr(&sb, abbrev);
1158         } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1159                 goto got_nothing;
1160         else                    /* bisect */
1161                 ;
1162         return strbuf_detach(&sb, NULL);
1163
1164 got_nothing:
1165         strbuf_release(&sb);
1166         return NULL;
1167 }
1168
1169 struct grab_1st_switch_cbdata {
1170         struct strbuf buf;
1171         unsigned char nsha1[20];
1172 };
1173
1174 static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1175                            const char *email, unsigned long timestamp, int tz,
1176                            const char *message, void *cb_data)
1177 {
1178         struct grab_1st_switch_cbdata *cb = cb_data;
1179         const char *target = NULL, *end;
1180
1181         if (!starts_with(message, "checkout: moving from "))
1182                 return 0;
1183         message += strlen("checkout: moving from ");
1184         target = strstr(message, " to ");
1185         if (!target)
1186                 return 0;
1187         target += strlen(" to ");
1188         strbuf_reset(&cb->buf);
1189         hashcpy(cb->nsha1, nsha1);
1190         for (end = target; *end && *end != '\n'; end++)
1191                 ;
1192         strbuf_add(&cb->buf, target, end - target);
1193         return 1;
1194 }
1195
1196 static void wt_status_get_detached_from(struct wt_status_state *state)
1197 {
1198         struct grab_1st_switch_cbdata cb;
1199         struct commit *commit;
1200         unsigned char sha1[20];
1201         char *ref = NULL;
1202
1203         strbuf_init(&cb.buf, 0);
1204         if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1205                 strbuf_release(&cb.buf);
1206                 return;
1207         }
1208
1209         if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1210             /* sha1 is a commit? match without further lookup */
1211             (!hashcmp(cb.nsha1, sha1) ||
1212              /* perhaps sha1 is a tag, try to dereference to a commit */
1213              ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1214               !hashcmp(cb.nsha1, commit->object.sha1)))) {
1215                 int ofs;
1216                 if (starts_with(ref, "refs/tags/"))
1217                         ofs = strlen("refs/tags/");
1218                 else if (starts_with(ref, "refs/remotes/"))
1219                         ofs = strlen("refs/remotes/");
1220                 else
1221                         ofs = 0;
1222                 state->detached_from = xstrdup(ref + ofs);
1223         } else
1224                 state->detached_from =
1225                         xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1226         hashcpy(state->detached_sha1, cb.nsha1);
1227
1228         free(ref);
1229         strbuf_release(&cb.buf);
1230 }
1231
1232 void wt_status_get_state(struct wt_status_state *state,
1233                          int get_detached_from)
1234 {
1235         struct stat st;
1236         unsigned char sha1[20];
1237
1238         if (!stat(git_path("MERGE_HEAD"), &st)) {
1239                 state->merge_in_progress = 1;
1240         } else if (!stat(git_path("rebase-apply"), &st)) {
1241                 if (!stat(git_path("rebase-apply/applying"), &st)) {
1242                         state->am_in_progress = 1;
1243                         if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1244                                 state->am_empty_patch = 1;
1245                 } else {
1246                         state->rebase_in_progress = 1;
1247                         state->branch = read_and_strip_branch("rebase-apply/head-name");
1248                         state->onto = read_and_strip_branch("rebase-apply/onto");
1249                 }
1250         } else if (!stat(git_path("rebase-merge"), &st)) {
1251                 if (!stat(git_path("rebase-merge/interactive"), &st))
1252                         state->rebase_interactive_in_progress = 1;
1253                 else
1254                         state->rebase_in_progress = 1;
1255                 state->branch = read_and_strip_branch("rebase-merge/head-name");
1256                 state->onto = read_and_strip_branch("rebase-merge/onto");
1257         } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1258                         !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1259                 state->cherry_pick_in_progress = 1;
1260                 hashcpy(state->cherry_pick_head_sha1, sha1);
1261         }
1262         if (!stat(git_path("BISECT_LOG"), &st)) {
1263                 state->bisect_in_progress = 1;
1264                 state->branch = read_and_strip_branch("BISECT_START");
1265         }
1266         if (!stat(git_path("REVERT_HEAD"), &st) &&
1267             !get_sha1("REVERT_HEAD", sha1)) {
1268                 state->revert_in_progress = 1;
1269                 hashcpy(state->revert_head_sha1, sha1);
1270         }
1271
1272         if (get_detached_from)
1273                 wt_status_get_detached_from(state);
1274 }
1275
1276 static void wt_status_print_state(struct wt_status *s,
1277                                   struct wt_status_state *state)
1278 {
1279         const char *state_color = color(WT_STATUS_HEADER, s);
1280         if (state->merge_in_progress)
1281                 show_merge_in_progress(s, state, state_color);
1282         else if (state->am_in_progress)
1283                 show_am_in_progress(s, state, state_color);
1284         else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1285                 show_rebase_in_progress(s, state, state_color);
1286         else if (state->cherry_pick_in_progress)
1287                 show_cherry_pick_in_progress(s, state, state_color);
1288         else if (state->revert_in_progress)
1289                 show_revert_in_progress(s, state, state_color);
1290         if (state->bisect_in_progress)
1291                 show_bisect_in_progress(s, state, state_color);
1292 }
1293
1294 void wt_status_print(struct wt_status *s)
1295 {
1296         const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1297         const char *branch_status_color = color(WT_STATUS_HEADER, s);
1298         struct wt_status_state state;
1299
1300         memset(&state, 0, sizeof(state));
1301         wt_status_get_state(&state,
1302                             s->branch && !strcmp(s->branch, "HEAD"));
1303
1304         if (s->branch) {
1305                 const char *on_what = _("On branch ");
1306                 const char *branch_name = s->branch;
1307                 if (starts_with(branch_name, "refs/heads/"))
1308                         branch_name += 11;
1309                 else if (!strcmp(branch_name, "HEAD")) {
1310                         branch_status_color = color(WT_STATUS_NOBRANCH, s);
1311                         if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1312                                 on_what = _("rebase in progress; onto ");
1313                                 branch_name = state.onto;
1314                         } else if (state.detached_from) {
1315                                 unsigned char sha1[20];
1316                                 branch_name = state.detached_from;
1317                                 if (!get_sha1("HEAD", sha1) &&
1318                                     !hashcmp(sha1, state.detached_sha1))
1319                                         on_what = _("HEAD detached at ");
1320                                 else
1321                                         on_what = _("HEAD detached from ");
1322                         } else {
1323                                 branch_name = "";
1324                                 on_what = _("Not currently on any branch.");
1325                         }
1326                 }
1327                 status_printf(s, color(WT_STATUS_HEADER, s), "");
1328                 status_printf_more(s, branch_status_color, "%s", on_what);
1329                 status_printf_more(s, branch_color, "%s\n", branch_name);
1330                 if (!s->is_initial)
1331                         wt_status_print_tracking(s);
1332         }
1333
1334         wt_status_print_state(s, &state);
1335         free(state.branch);
1336         free(state.onto);
1337         free(state.detached_from);
1338
1339         if (s->is_initial) {
1340                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1341                 status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1342                 status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1343         }
1344
1345         wt_status_print_updated(s);
1346         wt_status_print_unmerged(s);
1347         wt_status_print_changed(s);
1348         if (s->submodule_summary &&
1349             (!s->ignore_submodule_arg ||
1350              strcmp(s->ignore_submodule_arg, "all"))) {
1351                 wt_status_print_submodule_summary(s, 0);  /* staged */
1352                 wt_status_print_submodule_summary(s, 1);  /* unstaged */
1353         }
1354         if (s->show_untracked_files) {
1355                 wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1356                 if (s->show_ignored_files)
1357                         wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1358                 if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1359                         status_printf_ln(s, GIT_COLOR_NORMAL, "");
1360                         status_printf_ln(s, GIT_COLOR_NORMAL,
1361                                          _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1362                                            "may speed it up, but you have to be careful not to forget to add\n"
1363                                            "new files yourself (see 'git help status')."),
1364                                          s->untracked_in_ms / 1000.0);
1365                 }
1366         } else if (s->commitable)
1367                 status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1368                         s->hints
1369                         ? _(" (use -u option to show untracked files)") : "");
1370
1371         if (s->verbose)
1372                 wt_status_print_verbose(s);
1373         if (!s->commitable) {
1374                 if (s->amend)
1375                         status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1376                 else if (s->nowarn)
1377                         ; /* nothing */
1378                 else if (s->workdir_dirty) {
1379                         if (s->hints)
1380                                 printf(_("no changes added to commit "
1381                                          "(use \"git add\" and/or \"git commit -a\")\n"));
1382                         else
1383                                 printf(_("no changes added to commit\n"));
1384                 } else if (s->untracked.nr) {
1385                         if (s->hints)
1386                                 printf(_("nothing added to commit but untracked files "
1387                                          "present (use \"git add\" to track)\n"));
1388                         else
1389                                 printf(_("nothing added to commit but untracked files present\n"));
1390                 } else if (s->is_initial) {
1391                         if (s->hints)
1392                                 printf(_("nothing to commit (create/copy files "
1393                                          "and use \"git add\" to track)\n"));
1394                         else
1395                                 printf(_("nothing to commit\n"));
1396                 } else if (!s->show_untracked_files) {
1397                         if (s->hints)
1398                                 printf(_("nothing to commit (use -u to show untracked files)\n"));
1399                         else
1400                                 printf(_("nothing to commit\n"));
1401                 } else
1402                         printf(_("nothing to commit, working directory clean\n"));
1403         }
1404 }
1405
1406 static void wt_shortstatus_unmerged(struct string_list_item *it,
1407                            struct wt_status *s)
1408 {
1409         struct wt_status_change_data *d = it->util;
1410         const char *how = "??";
1411
1412         switch (d->stagemask) {
1413         case 1: how = "DD"; break; /* both deleted */
1414         case 2: how = "AU"; break; /* added by us */
1415         case 3: how = "UD"; break; /* deleted by them */
1416         case 4: how = "UA"; break; /* added by them */
1417         case 5: how = "DU"; break; /* deleted by us */
1418         case 6: how = "AA"; break; /* both added */
1419         case 7: how = "UU"; break; /* both modified */
1420         }
1421         color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1422         if (s->null_termination) {
1423                 fprintf(stdout, " %s%c", it->string, 0);
1424         } else {
1425                 struct strbuf onebuf = STRBUF_INIT;
1426                 const char *one;
1427                 one = quote_path(it->string, s->prefix, &onebuf);
1428                 printf(" %s\n", one);
1429                 strbuf_release(&onebuf);
1430         }
1431 }
1432
1433 static void wt_shortstatus_status(struct string_list_item *it,
1434                          struct wt_status *s)
1435 {
1436         struct wt_status_change_data *d = it->util;
1437
1438         if (d->index_status)
1439                 color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1440         else
1441                 putchar(' ');
1442         if (d->worktree_status)
1443                 color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1444         else
1445                 putchar(' ');
1446         putchar(' ');
1447         if (s->null_termination) {
1448                 fprintf(stdout, "%s%c", it->string, 0);
1449                 if (d->head_path)
1450                         fprintf(stdout, "%s%c", d->head_path, 0);
1451         } else {
1452                 struct strbuf onebuf = STRBUF_INIT;
1453                 const char *one;
1454                 if (d->head_path) {
1455                         one = quote_path(d->head_path, s->prefix, &onebuf);
1456                         if (*one != '"' && strchr(one, ' ') != NULL) {
1457                                 putchar('"');
1458                                 strbuf_addch(&onebuf, '"');
1459                                 one = onebuf.buf;
1460                         }
1461                         printf("%s -> ", one);
1462                         strbuf_release(&onebuf);
1463                 }
1464                 one = quote_path(it->string, s->prefix, &onebuf);
1465                 if (*one != '"' && strchr(one, ' ') != NULL) {
1466                         putchar('"');
1467                         strbuf_addch(&onebuf, '"');
1468                         one = onebuf.buf;
1469                 }
1470                 printf("%s\n", one);
1471                 strbuf_release(&onebuf);
1472         }
1473 }
1474
1475 static void wt_shortstatus_other(struct string_list_item *it,
1476                                  struct wt_status *s, const char *sign)
1477 {
1478         if (s->null_termination) {
1479                 fprintf(stdout, "%s %s%c", sign, it->string, 0);
1480         } else {
1481                 struct strbuf onebuf = STRBUF_INIT;
1482                 const char *one;
1483                 one = quote_path(it->string, s->prefix, &onebuf);
1484                 color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1485                 printf(" %s\n", one);
1486                 strbuf_release(&onebuf);
1487         }
1488 }
1489
1490 static void wt_shortstatus_print_tracking(struct wt_status *s)
1491 {
1492         struct branch *branch;
1493         const char *header_color = color(WT_STATUS_HEADER, s);
1494         const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1495         const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1496
1497         const char *base;
1498         const char *branch_name;
1499         int num_ours, num_theirs;
1500         int upstream_is_gone = 0;
1501
1502         color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1503
1504         if (!s->branch)
1505                 return;
1506         branch_name = s->branch;
1507
1508         if (starts_with(branch_name, "refs/heads/"))
1509                 branch_name += 11;
1510         else if (!strcmp(branch_name, "HEAD")) {
1511                 branch_name = _("HEAD (no branch)");
1512                 branch_color_local = color(WT_STATUS_NOBRANCH, s);
1513         }
1514
1515         branch = branch_get(s->branch + 11);
1516         if (s->is_initial)
1517                 color_fprintf(s->fp, header_color, _("Initial commit on "));
1518
1519         color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1520
1521         switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1522         case 0:
1523                 /* no base */
1524                 fputc(s->null_termination ? '\0' : '\n', s->fp);
1525                 return;
1526         case -1:
1527                 /* with "gone" base */
1528                 upstream_is_gone = 1;
1529                 break;
1530         default:
1531                 /* with base */
1532                 break;
1533         }
1534
1535         base = branch->merge[0]->dst;
1536         base = shorten_unambiguous_ref(base, 0);
1537         color_fprintf(s->fp, header_color, "...");
1538         color_fprintf(s->fp, branch_color_remote, "%s", base);
1539
1540         if (!upstream_is_gone && !num_ours && !num_theirs) {
1541                 fputc(s->null_termination ? '\0' : '\n', s->fp);
1542                 return;
1543         }
1544
1545 #define LABEL(string) (s->no_gettext ? (string) : _(string))
1546
1547         color_fprintf(s->fp, header_color, " [");
1548         if (upstream_is_gone) {
1549                 color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1550         } else if (!num_ours) {
1551                 color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1552                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1553         } else if (!num_theirs) {
1554                 color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1555                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1556         } else {
1557                 color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1558                 color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1559                 color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1560                 color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1561         }
1562
1563         color_fprintf(s->fp, header_color, "]");
1564         fputc(s->null_termination ? '\0' : '\n', s->fp);
1565 }
1566
1567 void wt_shortstatus_print(struct wt_status *s)
1568 {
1569         int i;
1570
1571         if (s->show_branch)
1572                 wt_shortstatus_print_tracking(s);
1573
1574         for (i = 0; i < s->change.nr; i++) {
1575                 struct wt_status_change_data *d;
1576                 struct string_list_item *it;
1577
1578                 it = &(s->change.items[i]);
1579                 d = it->util;
1580                 if (d->stagemask)
1581                         wt_shortstatus_unmerged(it, s);
1582                 else
1583                         wt_shortstatus_status(it, s);
1584         }
1585         for (i = 0; i < s->untracked.nr; i++) {
1586                 struct string_list_item *it;
1587
1588                 it = &(s->untracked.items[i]);
1589                 wt_shortstatus_other(it, s, "??");
1590         }
1591         for (i = 0; i < s->ignored.nr; i++) {
1592                 struct string_list_item *it;
1593
1594                 it = &(s->ignored.items[i]);
1595                 wt_shortstatus_other(it, s, "!!");
1596         }
1597 }
1598
1599 void wt_porcelain_print(struct wt_status *s)
1600 {
1601         s->use_color = 0;
1602         s->relative_paths = 0;
1603         s->prefix = NULL;
1604         s->no_gettext = 1;
1605         wt_shortstatus_print(s);
1606 }