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