wt-status.con commit sha1_file: export `git_open_noatime` (ec73f58)
   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
  19static char default_wt_status_colors[][COLOR_MAXLEN] = {
  20        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  21        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  22        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  23        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  24        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  25        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  26        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  27        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  28        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  29};
  30
  31static const char *color(int slot, struct wt_status *s)
  32{
  33        const char *c = "";
  34        if (want_color(s->use_color))
  35                c = s->color_palette[slot];
  36        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  37                c = s->color_palette[WT_STATUS_HEADER];
  38        return c;
  39}
  40
  41static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  42                const char *fmt, va_list ap, const char *trail)
  43{
  44        struct strbuf sb = STRBUF_INIT;
  45        struct strbuf linebuf = STRBUF_INIT;
  46        const char *line, *eol;
  47
  48        strbuf_vaddf(&sb, fmt, ap);
  49        if (!sb.len) {
  50                if (s->display_comment_prefix) {
  51                        strbuf_addch(&sb, comment_line_char);
  52                        if (!trail)
  53                                strbuf_addch(&sb, ' ');
  54                }
  55                color_print_strbuf(s->fp, color, &sb);
  56                if (trail)
  57                        fprintf(s->fp, "%s", trail);
  58                strbuf_release(&sb);
  59                return;
  60        }
  61        for (line = sb.buf; *line; line = eol + 1) {
  62                eol = strchr(line, '\n');
  63
  64                strbuf_reset(&linebuf);
  65                if (at_bol && s->display_comment_prefix) {
  66                        strbuf_addch(&linebuf, comment_line_char);
  67                        if (*line != '\n' && *line != '\t')
  68                                strbuf_addch(&linebuf, ' ');
  69                }
  70                if (eol)
  71                        strbuf_add(&linebuf, line, eol - line);
  72                else
  73                        strbuf_addstr(&linebuf, line);
  74                color_print_strbuf(s->fp, color, &linebuf);
  75                if (eol)
  76                        fprintf(s->fp, "\n");
  77                else
  78                        break;
  79                at_bol = 1;
  80        }
  81        if (trail)
  82                fprintf(s->fp, "%s", trail);
  83        strbuf_release(&linebuf);
  84        strbuf_release(&sb);
  85}
  86
  87void status_printf_ln(struct wt_status *s, const char *color,
  88                        const char *fmt, ...)
  89{
  90        va_list ap;
  91
  92        va_start(ap, fmt);
  93        status_vprintf(s, 1, color, fmt, ap, "\n");
  94        va_end(ap);
  95}
  96
  97void status_printf(struct wt_status *s, const char *color,
  98                        const char *fmt, ...)
  99{
 100        va_list ap;
 101
 102        va_start(ap, fmt);
 103        status_vprintf(s, 1, color, fmt, ap, NULL);
 104        va_end(ap);
 105}
 106
 107static void status_printf_more(struct wt_status *s, const char *color,
 108                               const char *fmt, ...)
 109{
 110        va_list ap;
 111
 112        va_start(ap, fmt);
 113        status_vprintf(s, 0, color, fmt, ap, NULL);
 114        va_end(ap);
 115}
 116
 117void wt_status_prepare(struct wt_status *s)
 118{
 119        unsigned char sha1[20];
 120
 121        memset(s, 0, sizeof(*s));
 122        memcpy(s->color_palette, default_wt_status_colors,
 123               sizeof(default_wt_status_colors));
 124        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 125        s->use_color = -1;
 126        s->relative_paths = 1;
 127        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 128        s->reference = "HEAD";
 129        s->fp = stdout;
 130        s->index_file = get_index_file();
 131        s->change.strdup_strings = 1;
 132        s->untracked.strdup_strings = 1;
 133        s->ignored.strdup_strings = 1;
 134        s->show_branch = -1;  /* unspecified */
 135        s->display_comment_prefix = 0;
 136}
 137
 138static void wt_status_print_unmerged_header(struct wt_status *s)
 139{
 140        int i;
 141        int del_mod_conflict = 0;
 142        int both_deleted = 0;
 143        int not_deleted = 0;
 144        const char *c = color(WT_STATUS_HEADER, s);
 145
 146        status_printf_ln(s, c, _("Unmerged paths:"));
 147
 148        for (i = 0; i < s->change.nr; i++) {
 149                struct string_list_item *it = &(s->change.items[i]);
 150                struct wt_status_change_data *d = it->util;
 151
 152                switch (d->stagemask) {
 153                case 0:
 154                        break;
 155                case 1:
 156                        both_deleted = 1;
 157                        break;
 158                case 3:
 159                case 5:
 160                        del_mod_conflict = 1;
 161                        break;
 162                default:
 163                        not_deleted = 1;
 164                        break;
 165                }
 166        }
 167
 168        if (!s->hints)
 169                return;
 170        if (s->whence != FROM_COMMIT)
 171                ;
 172        else if (!s->is_initial)
 173                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 174        else
 175                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 176
 177        if (!both_deleted) {
 178                if (!del_mod_conflict)
 179                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 180                else
 181                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 182        } else if (!del_mod_conflict && !not_deleted) {
 183                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 184        } else {
 185                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 186        }
 187        status_printf_ln(s, c, "");
 188}
 189
 190static void wt_status_print_cached_header(struct wt_status *s)
 191{
 192        const char *c = color(WT_STATUS_HEADER, s);
 193
 194        status_printf_ln(s, c, _("Changes to be committed:"));
 195        if (!s->hints)
 196                return;
 197        if (s->whence != FROM_COMMIT)
 198                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 199        else if (!s->is_initial)
 200                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 201        else
 202                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 203        status_printf_ln(s, c, "");
 204}
 205
 206static void wt_status_print_dirty_header(struct wt_status *s,
 207                                         int has_deleted,
 208                                         int has_dirty_submodules)
 209{
 210        const char *c = color(WT_STATUS_HEADER, s);
 211
 212        status_printf_ln(s, c, _("Changes not staged for commit:"));
 213        if (!s->hints)
 214                return;
 215        if (!has_deleted)
 216                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 217        else
 218                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 219        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 220        if (has_dirty_submodules)
 221                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 222        status_printf_ln(s, c, "");
 223}
 224
 225static void wt_status_print_other_header(struct wt_status *s,
 226                                         const char *what,
 227                                         const char *how)
 228{
 229        const char *c = color(WT_STATUS_HEADER, s);
 230        status_printf_ln(s, c, "%s:", what);
 231        if (!s->hints)
 232                return;
 233        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 234        status_printf_ln(s, c, "");
 235}
 236
 237static void wt_status_print_trailer(struct wt_status *s)
 238{
 239        status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 240}
 241
 242#define quote_path quote_path_relative
 243
 244static void wt_status_print_unmerged_data(struct wt_status *s,
 245                                          struct string_list_item *it)
 246{
 247        const char *c = color(WT_STATUS_UNMERGED, s);
 248        struct wt_status_change_data *d = it->util;
 249        struct strbuf onebuf = STRBUF_INIT;
 250        const char *one, *how = _("bug");
 251
 252        one = quote_path(it->string, s->prefix, &onebuf);
 253        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 254        switch (d->stagemask) {
 255        case 1: how = _("both deleted:"); break;
 256        case 2: how = _("added by us:"); break;
 257        case 3: how = _("deleted by them:"); break;
 258        case 4: how = _("added by them:"); break;
 259        case 5: how = _("deleted by us:"); break;
 260        case 6: how = _("both added:"); break;
 261        case 7: how = _("both modified:"); break;
 262        }
 263        status_printf_more(s, c, "%-20s%s\n", how, one);
 264        strbuf_release(&onebuf);
 265}
 266
 267static void wt_status_print_change_data(struct wt_status *s,
 268                                        int change_type,
 269                                        struct string_list_item *it)
 270{
 271        struct wt_status_change_data *d = it->util;
 272        const char *c = color(change_type, s);
 273        int status;
 274        char *one_name;
 275        char *two_name;
 276        const char *one, *two;
 277        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 278        struct strbuf extra = STRBUF_INIT;
 279
 280        one_name = two_name = it->string;
 281        switch (change_type) {
 282        case WT_STATUS_UPDATED:
 283                status = d->index_status;
 284                if (d->head_path)
 285                        one_name = d->head_path;
 286                break;
 287        case WT_STATUS_CHANGED:
 288                if (d->new_submodule_commits || d->dirty_submodule) {
 289                        strbuf_addstr(&extra, " (");
 290                        if (d->new_submodule_commits)
 291                                strbuf_addf(&extra, _("new commits, "));
 292                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 293                                strbuf_addf(&extra, _("modified content, "));
 294                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 295                                strbuf_addf(&extra, _("untracked content, "));
 296                        strbuf_setlen(&extra, extra.len - 2);
 297                        strbuf_addch(&extra, ')');
 298                }
 299                status = d->worktree_status;
 300                break;
 301        default:
 302                die("BUG: unhandled change_type %d in wt_status_print_change_data",
 303                    change_type);
 304        }
 305
 306        one = quote_path(one_name, s->prefix, &onebuf);
 307        two = quote_path(two_name, s->prefix, &twobuf);
 308
 309        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 310        switch (status) {
 311        case DIFF_STATUS_ADDED:
 312                status_printf_more(s, c, _("new file:   %s"), one);
 313                break;
 314        case DIFF_STATUS_COPIED:
 315                status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 316                break;
 317        case DIFF_STATUS_DELETED:
 318                status_printf_more(s, c, _("deleted:    %s"), one);
 319                break;
 320        case DIFF_STATUS_MODIFIED:
 321                status_printf_more(s, c, _("modified:   %s"), one);
 322                break;
 323        case DIFF_STATUS_RENAMED:
 324                status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 325                break;
 326        case DIFF_STATUS_TYPE_CHANGED:
 327                status_printf_more(s, c, _("typechange: %s"), one);
 328                break;
 329        case DIFF_STATUS_UNKNOWN:
 330                status_printf_more(s, c, _("unknown:    %s"), one);
 331                break;
 332        case DIFF_STATUS_UNMERGED:
 333                status_printf_more(s, c, _("unmerged:   %s"), one);
 334                break;
 335        default:
 336                die(_("bug: unhandled diff status %c"), status);
 337        }
 338        if (extra.len) {
 339                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 340                strbuf_release(&extra);
 341        }
 342        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 343        strbuf_release(&onebuf);
 344        strbuf_release(&twobuf);
 345}
 346
 347static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 348                                         struct diff_options *options,
 349                                         void *data)
 350{
 351        struct wt_status *s = data;
 352        int i;
 353
 354        if (!q->nr)
 355                return;
 356        s->workdir_dirty = 1;
 357        for (i = 0; i < q->nr; i++) {
 358                struct diff_filepair *p;
 359                struct string_list_item *it;
 360                struct wt_status_change_data *d;
 361
 362                p = q->queue[i];
 363                it = string_list_insert(&s->change, p->one->path);
 364                d = it->util;
 365                if (!d) {
 366                        d = xcalloc(1, sizeof(*d));
 367                        it->util = d;
 368                }
 369                if (!d->worktree_status)
 370                        d->worktree_status = p->status;
 371                d->dirty_submodule = p->two->dirty_submodule;
 372                if (S_ISGITLINK(p->two->mode))
 373                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 374        }
 375}
 376
 377static int unmerged_mask(const char *path)
 378{
 379        int pos, mask;
 380        const struct cache_entry *ce;
 381
 382        pos = cache_name_pos(path, strlen(path));
 383        if (0 <= pos)
 384                return 0;
 385
 386        mask = 0;
 387        pos = -pos-1;
 388        while (pos < active_nr) {
 389                ce = active_cache[pos++];
 390                if (strcmp(ce->name, path) || !ce_stage(ce))
 391                        break;
 392                mask |= (1 << (ce_stage(ce) - 1));
 393        }
 394        return mask;
 395}
 396
 397static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 398                                         struct diff_options *options,
 399                                         void *data)
 400{
 401        struct wt_status *s = data;
 402        int i;
 403
 404        for (i = 0; i < q->nr; i++) {
 405                struct diff_filepair *p;
 406                struct string_list_item *it;
 407                struct wt_status_change_data *d;
 408
 409                p = q->queue[i];
 410                it = string_list_insert(&s->change, p->two->path);
 411                d = it->util;
 412                if (!d) {
 413                        d = xcalloc(1, sizeof(*d));
 414                        it->util = d;
 415                }
 416                if (!d->index_status)
 417                        d->index_status = p->status;
 418                switch (p->status) {
 419                case DIFF_STATUS_COPIED:
 420                case DIFF_STATUS_RENAMED:
 421                        d->head_path = xstrdup(p->one->path);
 422                        break;
 423                case DIFF_STATUS_UNMERGED:
 424                        d->stagemask = unmerged_mask(p->two->path);
 425                        break;
 426                }
 427        }
 428}
 429
 430static void wt_status_collect_changes_worktree(struct wt_status *s)
 431{
 432        struct rev_info rev;
 433
 434        init_revisions(&rev, NULL);
 435        setup_revisions(0, NULL, &rev, NULL);
 436        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 437        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 438        if (!s->show_untracked_files)
 439                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 440        if (s->ignore_submodule_arg) {
 441                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 442                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 443        }
 444        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 445        rev.diffopt.format_callback_data = s;
 446        copy_pathspec(&rev.prune_data, &s->pathspec);
 447        run_diff_files(&rev, 0);
 448}
 449
 450static void wt_status_collect_changes_index(struct wt_status *s)
 451{
 452        struct rev_info rev;
 453        struct setup_revision_opt opt;
 454
 455        init_revisions(&rev, NULL);
 456        memset(&opt, 0, sizeof(opt));
 457        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 458        setup_revisions(0, NULL, &rev, &opt);
 459
 460        if (s->ignore_submodule_arg) {
 461                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 462                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 463        }
 464
 465        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 466        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 467        rev.diffopt.format_callback_data = s;
 468        rev.diffopt.detect_rename = 1;
 469        rev.diffopt.rename_limit = 200;
 470        rev.diffopt.break_opt = 0;
 471        copy_pathspec(&rev.prune_data, &s->pathspec);
 472        run_diff_index(&rev, 1);
 473}
 474
 475static void wt_status_collect_changes_initial(struct wt_status *s)
 476{
 477        int i;
 478
 479        for (i = 0; i < active_nr; i++) {
 480                struct string_list_item *it;
 481                struct wt_status_change_data *d;
 482                const struct cache_entry *ce = active_cache[i];
 483
 484                if (!ce_path_match(ce, &s->pathspec))
 485                        continue;
 486                it = string_list_insert(&s->change, ce->name);
 487                d = it->util;
 488                if (!d) {
 489                        d = xcalloc(1, sizeof(*d));
 490                        it->util = d;
 491                }
 492                if (ce_stage(ce)) {
 493                        d->index_status = DIFF_STATUS_UNMERGED;
 494                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 495                }
 496                else
 497                        d->index_status = DIFF_STATUS_ADDED;
 498        }
 499}
 500
 501static void wt_status_collect_untracked(struct wt_status *s)
 502{
 503        int i;
 504        struct dir_struct dir;
 505        struct timeval t_begin;
 506
 507        if (!s->show_untracked_files)
 508                return;
 509
 510        if (advice_status_u_option)
 511                gettimeofday(&t_begin, NULL);
 512
 513        memset(&dir, 0, sizeof(dir));
 514        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 515                dir.flags |=
 516                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 517        if (s->show_ignored_files)
 518                dir.flags |= DIR_SHOW_IGNORED_TOO;
 519        setup_standard_excludes(&dir);
 520
 521        fill_directory(&dir, &s->pathspec);
 522
 523        for (i = 0; i < dir.nr; i++) {
 524                struct dir_entry *ent = dir.entries[i];
 525                if (cache_name_is_other(ent->name, ent->len) &&
 526                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 527                        string_list_insert(&s->untracked, ent->name);
 528                free(ent);
 529        }
 530
 531        for (i = 0; i < dir.ignored_nr; i++) {
 532                struct dir_entry *ent = dir.ignored[i];
 533                if (cache_name_is_other(ent->name, ent->len) &&
 534                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 535                        string_list_insert(&s->ignored, ent->name);
 536                free(ent);
 537        }
 538
 539        free(dir.entries);
 540        free(dir.ignored);
 541        clear_directory(&dir);
 542
 543        if (advice_status_u_option) {
 544                struct timeval t_end;
 545                gettimeofday(&t_end, NULL);
 546                s->untracked_in_ms =
 547                        (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 548                        ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 549        }
 550}
 551
 552void wt_status_collect(struct wt_status *s)
 553{
 554        wt_status_collect_changes_worktree(s);
 555
 556        if (s->is_initial)
 557                wt_status_collect_changes_initial(s);
 558        else
 559                wt_status_collect_changes_index(s);
 560        wt_status_collect_untracked(s);
 561}
 562
 563static void wt_status_print_unmerged(struct wt_status *s)
 564{
 565        int shown_header = 0;
 566        int i;
 567
 568        for (i = 0; i < s->change.nr; i++) {
 569                struct wt_status_change_data *d;
 570                struct string_list_item *it;
 571                it = &(s->change.items[i]);
 572                d = it->util;
 573                if (!d->stagemask)
 574                        continue;
 575                if (!shown_header) {
 576                        wt_status_print_unmerged_header(s);
 577                        shown_header = 1;
 578                }
 579                wt_status_print_unmerged_data(s, it);
 580        }
 581        if (shown_header)
 582                wt_status_print_trailer(s);
 583
 584}
 585
 586static void wt_status_print_updated(struct wt_status *s)
 587{
 588        int shown_header = 0;
 589        int i;
 590
 591        for (i = 0; i < s->change.nr; i++) {
 592                struct wt_status_change_data *d;
 593                struct string_list_item *it;
 594                it = &(s->change.items[i]);
 595                d = it->util;
 596                if (!d->index_status ||
 597                    d->index_status == DIFF_STATUS_UNMERGED)
 598                        continue;
 599                if (!shown_header) {
 600                        wt_status_print_cached_header(s);
 601                        s->commitable = 1;
 602                        shown_header = 1;
 603                }
 604                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 605        }
 606        if (shown_header)
 607                wt_status_print_trailer(s);
 608}
 609
 610/*
 611 * -1 : has delete
 612 *  0 : no change
 613 *  1 : some change but no delete
 614 */
 615static int wt_status_check_worktree_changes(struct wt_status *s,
 616                                             int *dirty_submodules)
 617{
 618        int i;
 619        int changes = 0;
 620
 621        *dirty_submodules = 0;
 622
 623        for (i = 0; i < s->change.nr; i++) {
 624                struct wt_status_change_data *d;
 625                d = s->change.items[i].util;
 626                if (!d->worktree_status ||
 627                    d->worktree_status == DIFF_STATUS_UNMERGED)
 628                        continue;
 629                if (!changes)
 630                        changes = 1;
 631                if (d->dirty_submodule)
 632                        *dirty_submodules = 1;
 633                if (d->worktree_status == DIFF_STATUS_DELETED)
 634                        changes = -1;
 635        }
 636        return changes;
 637}
 638
 639static void wt_status_print_changed(struct wt_status *s)
 640{
 641        int i, dirty_submodules;
 642        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 643
 644        if (!worktree_changes)
 645                return;
 646
 647        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 648
 649        for (i = 0; i < s->change.nr; i++) {
 650                struct wt_status_change_data *d;
 651                struct string_list_item *it;
 652                it = &(s->change.items[i]);
 653                d = it->util;
 654                if (!d->worktree_status ||
 655                    d->worktree_status == DIFF_STATUS_UNMERGED)
 656                        continue;
 657                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 658        }
 659        wt_status_print_trailer(s);
 660}
 661
 662static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 663{
 664        struct child_process sm_summary;
 665        char summary_limit[64];
 666        char index[PATH_MAX];
 667        const char *env[] = { NULL, NULL };
 668        struct argv_array argv = ARGV_ARRAY_INIT;
 669        struct strbuf cmd_stdout = STRBUF_INIT;
 670        struct strbuf summary = STRBUF_INIT;
 671        char *summary_content;
 672        size_t len;
 673
 674        sprintf(summary_limit, "%d", s->submodule_summary);
 675        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 676
 677        env[0] = index;
 678        argv_array_push(&argv, "submodule");
 679        argv_array_push(&argv, "summary");
 680        argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 681        argv_array_push(&argv, "--for-status");
 682        argv_array_push(&argv, "--summary-limit");
 683        argv_array_push(&argv, summary_limit);
 684        if (!uncommitted)
 685                argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 686
 687        memset(&sm_summary, 0, sizeof(sm_summary));
 688        sm_summary.argv = argv.argv;
 689        sm_summary.env = env;
 690        sm_summary.git_cmd = 1;
 691        sm_summary.no_stdin = 1;
 692        fflush(s->fp);
 693        sm_summary.out = -1;
 694
 695        run_command(&sm_summary);
 696        argv_array_clear(&argv);
 697
 698        len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 699
 700        /* prepend header, only if there's an actual output */
 701        if (len) {
 702                if (uncommitted)
 703                        strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 704                else
 705                        strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 706                strbuf_addstr(&summary, "\n\n");
 707        }
 708        strbuf_addbuf(&summary, &cmd_stdout);
 709        strbuf_release(&cmd_stdout);
 710
 711        if (s->display_comment_prefix) {
 712                summary_content = strbuf_detach(&summary, &len);
 713                strbuf_add_commented_lines(&summary, summary_content, len);
 714                free(summary_content);
 715        }
 716
 717        fputs(summary.buf, s->fp);
 718        strbuf_release(&summary);
 719}
 720
 721static void wt_status_print_other(struct wt_status *s,
 722                                  struct string_list *l,
 723                                  const char *what,
 724                                  const char *how)
 725{
 726        int i;
 727        struct strbuf buf = STRBUF_INIT;
 728        static struct string_list output = STRING_LIST_INIT_DUP;
 729        struct column_options copts;
 730
 731        if (!l->nr)
 732                return;
 733
 734        wt_status_print_other_header(s, what, how);
 735
 736        for (i = 0; i < l->nr; i++) {
 737                struct string_list_item *it;
 738                const char *path;
 739                it = &(l->items[i]);
 740                path = quote_path(it->string, s->prefix, &buf);
 741                if (column_active(s->colopts)) {
 742                        string_list_append(&output, path);
 743                        continue;
 744                }
 745                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 746                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 747                                   "%s\n", path);
 748        }
 749
 750        strbuf_release(&buf);
 751        if (!column_active(s->colopts))
 752                goto conclude;
 753
 754        strbuf_addf(&buf, "%s%s\t%s",
 755                    color(WT_STATUS_HEADER, s),
 756                    s->display_comment_prefix ? "#" : "",
 757                    color(WT_STATUS_UNTRACKED, s));
 758        memset(&copts, 0, sizeof(copts));
 759        copts.padding = 1;
 760        copts.indent = buf.buf;
 761        if (want_color(s->use_color))
 762                copts.nl = GIT_COLOR_RESET "\n";
 763        print_columns(&output, s->colopts, &copts);
 764        string_list_clear(&output, 0);
 765        strbuf_release(&buf);
 766conclude:
 767        status_printf_ln(s, GIT_COLOR_NORMAL, "");
 768}
 769
 770static void wt_status_print_verbose(struct wt_status *s)
 771{
 772        struct rev_info rev;
 773        struct setup_revision_opt opt;
 774
 775        init_revisions(&rev, NULL);
 776        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 777
 778        memset(&opt, 0, sizeof(opt));
 779        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 780        setup_revisions(0, NULL, &rev, &opt);
 781
 782        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 783        rev.diffopt.detect_rename = 1;
 784        rev.diffopt.file = s->fp;
 785        rev.diffopt.close_file = 0;
 786        /*
 787         * If we're not going to stdout, then we definitely don't
 788         * want color, since we are going to the commit message
 789         * file (and even the "auto" setting won't work, since it
 790         * will have checked isatty on stdout).
 791         */
 792        if (s->fp != stdout)
 793                rev.diffopt.use_color = 0;
 794        run_diff_index(&rev, 1);
 795}
 796
 797static void wt_status_print_tracking(struct wt_status *s)
 798{
 799        struct strbuf sb = STRBUF_INIT;
 800        const char *cp, *ep;
 801        struct branch *branch;
 802        char comment_line_string[3];
 803        int i;
 804
 805        assert(s->branch && !s->is_initial);
 806        if (prefixcmp(s->branch, "refs/heads/"))
 807                return;
 808        branch = branch_get(s->branch + 11);
 809        if (!format_tracking_info(branch, &sb))
 810                return;
 811
 812        i = 0;
 813        if (s->display_comment_prefix) {
 814                comment_line_string[i++] = comment_line_char;
 815                comment_line_string[i++] = ' ';
 816        }
 817        comment_line_string[i] = '\0';
 818
 819        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 820                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 821                                 "%s%.*s", comment_line_string,
 822                                 (int)(ep - cp), cp);
 823        if (s->display_comment_prefix)
 824                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 825                                 comment_line_char);
 826        else
 827                fprintf_ln(s->fp, "");
 828}
 829
 830static int has_unmerged(struct wt_status *s)
 831{
 832        int i;
 833
 834        for (i = 0; i < s->change.nr; i++) {
 835                struct wt_status_change_data *d;
 836                d = s->change.items[i].util;
 837                if (d->stagemask)
 838                        return 1;
 839        }
 840        return 0;
 841}
 842
 843static void show_merge_in_progress(struct wt_status *s,
 844                                struct wt_status_state *state,
 845                                const char *color)
 846{
 847        if (has_unmerged(s)) {
 848                status_printf_ln(s, color, _("You have unmerged paths."));
 849                if (s->hints)
 850                        status_printf_ln(s, color,
 851                                _("  (fix conflicts and run \"git commit\")"));
 852        } else {
 853                status_printf_ln(s, color,
 854                        _("All conflicts fixed but you are still merging."));
 855                if (s->hints)
 856                        status_printf_ln(s, color,
 857                                _("  (use \"git commit\" to conclude merge)"));
 858        }
 859        wt_status_print_trailer(s);
 860}
 861
 862static void show_am_in_progress(struct wt_status *s,
 863                                struct wt_status_state *state,
 864                                const char *color)
 865{
 866        status_printf_ln(s, color,
 867                _("You are in the middle of an am session."));
 868        if (state->am_empty_patch)
 869                status_printf_ln(s, color,
 870                        _("The current patch is empty."));
 871        if (s->hints) {
 872                if (!state->am_empty_patch)
 873                        status_printf_ln(s, color,
 874                                _("  (fix conflicts and then run \"git am --continue\")"));
 875                status_printf_ln(s, color,
 876                        _("  (use \"git am --skip\" to skip this patch)"));
 877                status_printf_ln(s, color,
 878                        _("  (use \"git am --abort\" to restore the original branch)"));
 879        }
 880        wt_status_print_trailer(s);
 881}
 882
 883static char *read_line_from_git_path(const char *filename)
 884{
 885        struct strbuf buf = STRBUF_INIT;
 886        FILE *fp = fopen(git_path("%s", filename), "r");
 887        if (!fp) {
 888                strbuf_release(&buf);
 889                return NULL;
 890        }
 891        strbuf_getline(&buf, fp, '\n');
 892        if (!fclose(fp)) {
 893                return strbuf_detach(&buf, NULL);
 894        } else {
 895                strbuf_release(&buf);
 896                return NULL;
 897        }
 898}
 899
 900static int split_commit_in_progress(struct wt_status *s)
 901{
 902        int split_in_progress = 0;
 903        char *head = read_line_from_git_path("HEAD");
 904        char *orig_head = read_line_from_git_path("ORIG_HEAD");
 905        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 906        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 907
 908        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 909            !s->branch || strcmp(s->branch, "HEAD"))
 910                return split_in_progress;
 911
 912        if (!strcmp(rebase_amend, rebase_orig_head)) {
 913                if (strcmp(head, rebase_amend))
 914                        split_in_progress = 1;
 915        } else if (strcmp(orig_head, rebase_orig_head)) {
 916                split_in_progress = 1;
 917        }
 918
 919        if (!s->amend && !s->nowarn && !s->workdir_dirty)
 920                split_in_progress = 0;
 921
 922        free(head);
 923        free(orig_head);
 924        free(rebase_amend);
 925        free(rebase_orig_head);
 926        return split_in_progress;
 927}
 928
 929static void show_rebase_in_progress(struct wt_status *s,
 930                                struct wt_status_state *state,
 931                                const char *color)
 932{
 933        struct stat st;
 934
 935        if (has_unmerged(s)) {
 936                if (state->branch)
 937                        status_printf_ln(s, color,
 938                                         _("You are currently rebasing branch '%s' on '%s'."),
 939                                         state->branch,
 940                                         state->onto);
 941                else
 942                        status_printf_ln(s, color,
 943                                         _("You are currently rebasing."));
 944                if (s->hints) {
 945                        status_printf_ln(s, color,
 946                                _("  (fix conflicts and then run \"git rebase --continue\")"));
 947                        status_printf_ln(s, color,
 948                                _("  (use \"git rebase --skip\" to skip this patch)"));
 949                        status_printf_ln(s, color,
 950                                _("  (use \"git rebase --abort\" to check out the original branch)"));
 951                }
 952        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 953                if (state->branch)
 954                        status_printf_ln(s, color,
 955                                         _("You are currently rebasing branch '%s' on '%s'."),
 956                                         state->branch,
 957                                         state->onto);
 958                else
 959                        status_printf_ln(s, color,
 960                                         _("You are currently rebasing."));
 961                if (s->hints)
 962                        status_printf_ln(s, color,
 963                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
 964        } else if (split_commit_in_progress(s)) {
 965                if (state->branch)
 966                        status_printf_ln(s, color,
 967                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 968                                         state->branch,
 969                                         state->onto);
 970                else
 971                        status_printf_ln(s, color,
 972                                         _("You are currently splitting a commit during a rebase."));
 973                if (s->hints)
 974                        status_printf_ln(s, color,
 975                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 976        } else {
 977                if (state->branch)
 978                        status_printf_ln(s, color,
 979                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 980                                         state->branch,
 981                                         state->onto);
 982                else
 983                        status_printf_ln(s, color,
 984                                         _("You are currently editing a commit during a rebase."));
 985                if (s->hints && !s->amend) {
 986                        status_printf_ln(s, color,
 987                                _("  (use \"git commit --amend\" to amend the current commit)"));
 988                        status_printf_ln(s, color,
 989                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 990                }
 991        }
 992        wt_status_print_trailer(s);
 993}
 994
 995static void show_cherry_pick_in_progress(struct wt_status *s,
 996                                        struct wt_status_state *state,
 997                                        const char *color)
 998{
 999        status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1000                        find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1001        if (s->hints) {
1002                if (has_unmerged(s))
1003                        status_printf_ln(s, color,
1004                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1005                else
1006                        status_printf_ln(s, color,
1007                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1008                status_printf_ln(s, color,
1009                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1010        }
1011        wt_status_print_trailer(s);
1012}
1013
1014static void show_revert_in_progress(struct wt_status *s,
1015                                        struct wt_status_state *state,
1016                                        const char *color)
1017{
1018        status_printf_ln(s, color, _("You are currently reverting commit %s."),
1019                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1020        if (s->hints) {
1021                if (has_unmerged(s))
1022                        status_printf_ln(s, color,
1023                                _("  (fix conflicts and run \"git revert --continue\")"));
1024                else
1025                        status_printf_ln(s, color,
1026                                _("  (all conflicts fixed: run \"git revert --continue\")"));
1027                status_printf_ln(s, color,
1028                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
1029        }
1030        wt_status_print_trailer(s);
1031}
1032
1033static void show_bisect_in_progress(struct wt_status *s,
1034                                struct wt_status_state *state,
1035                                const char *color)
1036{
1037        if (state->branch)
1038                status_printf_ln(s, color,
1039                                 _("You are currently bisecting, started from branch '%s'."),
1040                                 state->branch);
1041        else
1042                status_printf_ln(s, color,
1043                                 _("You are currently bisecting."));
1044        if (s->hints)
1045                status_printf_ln(s, color,
1046                        _("  (use \"git bisect reset\" to get back to the original branch)"));
1047        wt_status_print_trailer(s);
1048}
1049
1050/*
1051 * Extract branch information from rebase/bisect
1052 */
1053static char *read_and_strip_branch(const char *path)
1054{
1055        struct strbuf sb = STRBUF_INIT;
1056        unsigned char sha1[20];
1057
1058        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1059                goto got_nothing;
1060
1061        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1062                strbuf_setlen(&sb, sb.len - 1);
1063        if (!sb.len)
1064                goto got_nothing;
1065        if (!prefixcmp(sb.buf, "refs/heads/"))
1066                strbuf_remove(&sb,0, strlen("refs/heads/"));
1067        else if (!prefixcmp(sb.buf, "refs/"))
1068                ;
1069        else if (!get_sha1_hex(sb.buf, sha1)) {
1070                const char *abbrev;
1071                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1072                strbuf_reset(&sb);
1073                strbuf_addstr(&sb, abbrev);
1074        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1075                goto got_nothing;
1076        else                    /* bisect */
1077                ;
1078        return strbuf_detach(&sb, NULL);
1079
1080got_nothing:
1081        strbuf_release(&sb);
1082        return NULL;
1083}
1084
1085struct grab_1st_switch_cbdata {
1086        struct strbuf buf;
1087        unsigned char nsha1[20];
1088};
1089
1090static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1091                           const char *email, unsigned long timestamp, int tz,
1092                           const char *message, void *cb_data)
1093{
1094        struct grab_1st_switch_cbdata *cb = cb_data;
1095        const char *target = NULL, *end;
1096
1097        if (prefixcmp(message, "checkout: moving from "))
1098                return 0;
1099        message += strlen("checkout: moving from ");
1100        target = strstr(message, " to ");
1101        if (!target)
1102                return 0;
1103        target += strlen(" to ");
1104        strbuf_reset(&cb->buf);
1105        hashcpy(cb->nsha1, nsha1);
1106        for (end = target; *end && *end != '\n'; end++)
1107                ;
1108        strbuf_add(&cb->buf, target, end - target);
1109        return 1;
1110}
1111
1112static void wt_status_get_detached_from(struct wt_status_state *state)
1113{
1114        struct grab_1st_switch_cbdata cb;
1115        struct commit *commit;
1116        unsigned char sha1[20];
1117        char *ref = NULL;
1118
1119        strbuf_init(&cb.buf, 0);
1120        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1121                strbuf_release(&cb.buf);
1122                return;
1123        }
1124
1125        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1126            /* sha1 is a commit? match without further lookup */
1127            (!hashcmp(cb.nsha1, sha1) ||
1128             /* perhaps sha1 is a tag, try to dereference to a commit */
1129             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1130              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1131                int ofs;
1132                if (!prefixcmp(ref, "refs/tags/"))
1133                        ofs = strlen("refs/tags/");
1134                else if (!prefixcmp(ref, "refs/remotes/"))
1135                        ofs = strlen("refs/remotes/");
1136                else
1137                        ofs = 0;
1138                state->detached_from = xstrdup(ref + ofs);
1139        } else
1140                state->detached_from =
1141                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1142        hashcpy(state->detached_sha1, cb.nsha1);
1143
1144        free(ref);
1145        strbuf_release(&cb.buf);
1146}
1147
1148void wt_status_get_state(struct wt_status_state *state,
1149                         int get_detached_from)
1150{
1151        struct stat st;
1152        unsigned char sha1[20];
1153
1154        if (!stat(git_path("MERGE_HEAD"), &st)) {
1155                state->merge_in_progress = 1;
1156        } else if (!stat(git_path("rebase-apply"), &st)) {
1157                if (!stat(git_path("rebase-apply/applying"), &st)) {
1158                        state->am_in_progress = 1;
1159                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1160                                state->am_empty_patch = 1;
1161                } else {
1162                        state->rebase_in_progress = 1;
1163                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1164                        state->onto = read_and_strip_branch("rebase-apply/onto");
1165                }
1166        } else if (!stat(git_path("rebase-merge"), &st)) {
1167                if (!stat(git_path("rebase-merge/interactive"), &st))
1168                        state->rebase_interactive_in_progress = 1;
1169                else
1170                        state->rebase_in_progress = 1;
1171                state->branch = read_and_strip_branch("rebase-merge/head-name");
1172                state->onto = read_and_strip_branch("rebase-merge/onto");
1173        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1174                        !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1175                state->cherry_pick_in_progress = 1;
1176                hashcpy(state->cherry_pick_head_sha1, sha1);
1177        }
1178        if (!stat(git_path("BISECT_LOG"), &st)) {
1179                state->bisect_in_progress = 1;
1180                state->branch = read_and_strip_branch("BISECT_START");
1181        }
1182        if (!stat(git_path("REVERT_HEAD"), &st) &&
1183            !get_sha1("REVERT_HEAD", sha1)) {
1184                state->revert_in_progress = 1;
1185                hashcpy(state->revert_head_sha1, sha1);
1186        }
1187
1188        if (get_detached_from)
1189                wt_status_get_detached_from(state);
1190}
1191
1192static void wt_status_print_state(struct wt_status *s,
1193                                  struct wt_status_state *state)
1194{
1195        const char *state_color = color(WT_STATUS_HEADER, s);
1196        if (state->merge_in_progress)
1197                show_merge_in_progress(s, state, state_color);
1198        else if (state->am_in_progress)
1199                show_am_in_progress(s, state, state_color);
1200        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1201                show_rebase_in_progress(s, state, state_color);
1202        else if (state->cherry_pick_in_progress)
1203                show_cherry_pick_in_progress(s, state, state_color);
1204        else if (state->revert_in_progress)
1205                show_revert_in_progress(s, state, state_color);
1206        if (state->bisect_in_progress)
1207                show_bisect_in_progress(s, state, state_color);
1208}
1209
1210void wt_status_print(struct wt_status *s)
1211{
1212        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1213        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1214        struct wt_status_state state;
1215
1216        memset(&state, 0, sizeof(state));
1217        wt_status_get_state(&state,
1218                            s->branch && !strcmp(s->branch, "HEAD"));
1219
1220        if (s->branch) {
1221                const char *on_what = _("On branch ");
1222                const char *branch_name = s->branch;
1223                if (!prefixcmp(branch_name, "refs/heads/"))
1224                        branch_name += 11;
1225                else if (!strcmp(branch_name, "HEAD")) {
1226                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1227                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1228                                on_what = _("rebase in progress; onto ");
1229                                branch_name = state.onto;
1230                        } else if (state.detached_from) {
1231                                unsigned char sha1[20];
1232                                branch_name = state.detached_from;
1233                                if (!get_sha1("HEAD", sha1) &&
1234                                    !hashcmp(sha1, state.detached_sha1))
1235                                        on_what = _("HEAD detached at ");
1236                                else
1237                                        on_what = _("HEAD detached from ");
1238                        } else {
1239                                branch_name = "";
1240                                on_what = _("Not currently on any branch.");
1241                        }
1242                }
1243                status_printf(s, color(WT_STATUS_HEADER, s), "");
1244                status_printf_more(s, branch_status_color, "%s", on_what);
1245                status_printf_more(s, branch_color, "%s\n", branch_name);
1246                if (!s->is_initial)
1247                        wt_status_print_tracking(s);
1248        }
1249
1250        wt_status_print_state(s, &state);
1251        free(state.branch);
1252        free(state.onto);
1253        free(state.detached_from);
1254
1255        if (s->is_initial) {
1256                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1257                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1258                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1259        }
1260
1261        wt_status_print_updated(s);
1262        wt_status_print_unmerged(s);
1263        wt_status_print_changed(s);
1264        if (s->submodule_summary &&
1265            (!s->ignore_submodule_arg ||
1266             strcmp(s->ignore_submodule_arg, "all"))) {
1267                wt_status_print_submodule_summary(s, 0);  /* staged */
1268                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1269        }
1270        if (s->show_untracked_files) {
1271                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1272                if (s->show_ignored_files)
1273                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1274                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1275                        status_printf_ln(s, GIT_COLOR_NORMAL, "");
1276                        status_printf_ln(s, GIT_COLOR_NORMAL,
1277                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1278                                           "may speed it up, but you have to be careful not to forget to add\n"
1279                                           "new files yourself (see 'git help status')."),
1280                                         s->untracked_in_ms / 1000.0);
1281                }
1282        } else if (s->commitable)
1283                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1284                        s->hints
1285                        ? _(" (use -u option to show untracked files)") : "");
1286
1287        if (s->verbose)
1288                wt_status_print_verbose(s);
1289        if (!s->commitable) {
1290                if (s->amend)
1291                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1292                else if (s->nowarn)
1293                        ; /* nothing */
1294                else if (s->workdir_dirty) {
1295                        if (s->hints)
1296                                printf(_("no changes added to commit "
1297                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1298                        else
1299                                printf(_("no changes added to commit\n"));
1300                } else if (s->untracked.nr) {
1301                        if (s->hints)
1302                                printf(_("nothing added to commit but untracked files "
1303                                         "present (use \"git add\" to track)\n"));
1304                        else
1305                                printf(_("nothing added to commit but untracked files present\n"));
1306                } else if (s->is_initial) {
1307                        if (s->hints)
1308                                printf(_("nothing to commit (create/copy files "
1309                                         "and use \"git add\" to track)\n"));
1310                        else
1311                                printf(_("nothing to commit\n"));
1312                } else if (!s->show_untracked_files) {
1313                        if (s->hints)
1314                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1315                        else
1316                                printf(_("nothing to commit\n"));
1317                } else
1318                        printf(_("nothing to commit, working directory clean\n"));
1319        }
1320}
1321
1322static void wt_shortstatus_unmerged(struct string_list_item *it,
1323                           struct wt_status *s)
1324{
1325        struct wt_status_change_data *d = it->util;
1326        const char *how = "??";
1327
1328        switch (d->stagemask) {
1329        case 1: how = "DD"; break; /* both deleted */
1330        case 2: how = "AU"; break; /* added by us */
1331        case 3: how = "UD"; break; /* deleted by them */
1332        case 4: how = "UA"; break; /* added by them */
1333        case 5: how = "DU"; break; /* deleted by us */
1334        case 6: how = "AA"; break; /* both added */
1335        case 7: how = "UU"; break; /* both modified */
1336        }
1337        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1338        if (s->null_termination) {
1339                fprintf(stdout, " %s%c", it->string, 0);
1340        } else {
1341                struct strbuf onebuf = STRBUF_INIT;
1342                const char *one;
1343                one = quote_path(it->string, s->prefix, &onebuf);
1344                printf(" %s\n", one);
1345                strbuf_release(&onebuf);
1346        }
1347}
1348
1349static void wt_shortstatus_status(struct string_list_item *it,
1350                         struct wt_status *s)
1351{
1352        struct wt_status_change_data *d = it->util;
1353
1354        if (d->index_status)
1355                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1356        else
1357                putchar(' ');
1358        if (d->worktree_status)
1359                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1360        else
1361                putchar(' ');
1362        putchar(' ');
1363        if (s->null_termination) {
1364                fprintf(stdout, "%s%c", it->string, 0);
1365                if (d->head_path)
1366                        fprintf(stdout, "%s%c", d->head_path, 0);
1367        } else {
1368                struct strbuf onebuf = STRBUF_INIT;
1369                const char *one;
1370                if (d->head_path) {
1371                        one = quote_path(d->head_path, s->prefix, &onebuf);
1372                        if (*one != '"' && strchr(one, ' ') != NULL) {
1373                                putchar('"');
1374                                strbuf_addch(&onebuf, '"');
1375                                one = onebuf.buf;
1376                        }
1377                        printf("%s -> ", one);
1378                        strbuf_release(&onebuf);
1379                }
1380                one = quote_path(it->string, s->prefix, &onebuf);
1381                if (*one != '"' && strchr(one, ' ') != NULL) {
1382                        putchar('"');
1383                        strbuf_addch(&onebuf, '"');
1384                        one = onebuf.buf;
1385                }
1386                printf("%s\n", one);
1387                strbuf_release(&onebuf);
1388        }
1389}
1390
1391static void wt_shortstatus_other(struct string_list_item *it,
1392                                 struct wt_status *s, const char *sign)
1393{
1394        if (s->null_termination) {
1395                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1396        } else {
1397                struct strbuf onebuf = STRBUF_INIT;
1398                const char *one;
1399                one = quote_path(it->string, s->prefix, &onebuf);
1400                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1401                printf(" %s\n", one);
1402                strbuf_release(&onebuf);
1403        }
1404}
1405
1406static void wt_shortstatus_print_tracking(struct wt_status *s)
1407{
1408        struct branch *branch;
1409        const char *header_color = color(WT_STATUS_HEADER, s);
1410        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1411        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1412
1413        const char *base;
1414        const char *branch_name;
1415        int num_ours, num_theirs;
1416        int upstream_is_gone = 0;
1417
1418        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1419
1420        if (!s->branch)
1421                return;
1422        branch_name = s->branch;
1423
1424        if (!prefixcmp(branch_name, "refs/heads/"))
1425                branch_name += 11;
1426        else if (!strcmp(branch_name, "HEAD")) {
1427                branch_name = _("HEAD (no branch)");
1428                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1429        }
1430
1431        branch = branch_get(s->branch + 11);
1432        if (s->is_initial)
1433                color_fprintf(s->fp, header_color, _("Initial commit on "));
1434
1435        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1436
1437        switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1438        case 0:
1439                /* no base */
1440                fputc(s->null_termination ? '\0' : '\n', s->fp);
1441                return;
1442        case -1:
1443                /* with "gone" base */
1444                upstream_is_gone = 1;
1445                break;
1446        default:
1447                /* with base */
1448                break;
1449        }
1450
1451        base = branch->merge[0]->dst;
1452        base = shorten_unambiguous_ref(base, 0);
1453        color_fprintf(s->fp, header_color, "...");
1454        color_fprintf(s->fp, branch_color_remote, "%s", base);
1455
1456        if (!upstream_is_gone && !num_ours && !num_theirs) {
1457                fputc(s->null_termination ? '\0' : '\n', s->fp);
1458                return;
1459        }
1460
1461        color_fprintf(s->fp, header_color, " [");
1462        if (upstream_is_gone) {
1463                color_fprintf(s->fp, header_color, _("gone"));
1464        } else if (!num_ours) {
1465                color_fprintf(s->fp, header_color, _("behind "));
1466                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1467        } else if (!num_theirs) {
1468                color_fprintf(s->fp, header_color, _("ahead "));
1469                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1470        } else {
1471                color_fprintf(s->fp, header_color, _("ahead "));
1472                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1473                color_fprintf(s->fp, header_color, _(", behind "));
1474                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1475        }
1476
1477        color_fprintf(s->fp, header_color, "]");
1478        fputc(s->null_termination ? '\0' : '\n', s->fp);
1479}
1480
1481void wt_shortstatus_print(struct wt_status *s)
1482{
1483        int i;
1484
1485        if (s->show_branch)
1486                wt_shortstatus_print_tracking(s);
1487
1488        for (i = 0; i < s->change.nr; i++) {
1489                struct wt_status_change_data *d;
1490                struct string_list_item *it;
1491
1492                it = &(s->change.items[i]);
1493                d = it->util;
1494                if (d->stagemask)
1495                        wt_shortstatus_unmerged(it, s);
1496                else
1497                        wt_shortstatus_status(it, s);
1498        }
1499        for (i = 0; i < s->untracked.nr; i++) {
1500                struct string_list_item *it;
1501
1502                it = &(s->untracked.items[i]);
1503                wt_shortstatus_other(it, s, "??");
1504        }
1505        for (i = 0; i < s->ignored.nr; i++) {
1506                struct string_list_item *it;
1507
1508                it = &(s->ignored.items[i]);
1509                wt_shortstatus_other(it, s, "!!");
1510        }
1511}
1512
1513void wt_porcelain_print(struct wt_status *s)
1514{
1515        s->use_color = 0;
1516        s->relative_paths = 0;
1517        s->prefix = NULL;
1518        wt_shortstatus_print(s);
1519}