wt-status.con commit Merge branch 'jk/dotgit-case-maint-1.8.5' into maint-1.8.5 (3d8a54e)
   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 cut_line[] =
  20"------------------------ >8 ------------------------\n";
  21
  22static char default_wt_status_colors[][COLOR_MAXLEN] = {
  23        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  24        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  25        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  26        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  27        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  28        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  29        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  30        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  31        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  32};
  33
  34static const char *color(int slot, struct wt_status *s)
  35{
  36        const char *c = "";
  37        if (want_color(s->use_color))
  38                c = s->color_palette[slot];
  39        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  40                c = s->color_palette[WT_STATUS_HEADER];
  41        return c;
  42}
  43
  44static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  45                const char *fmt, va_list ap, const char *trail)
  46{
  47        struct strbuf sb = STRBUF_INIT;
  48        struct strbuf linebuf = STRBUF_INIT;
  49        const char *line, *eol;
  50
  51        strbuf_vaddf(&sb, fmt, ap);
  52        if (!sb.len) {
  53                if (s->display_comment_prefix) {
  54                        strbuf_addch(&sb, comment_line_char);
  55                        if (!trail)
  56                                strbuf_addch(&sb, ' ');
  57                }
  58                color_print_strbuf(s->fp, color, &sb);
  59                if (trail)
  60                        fprintf(s->fp, "%s", trail);
  61                strbuf_release(&sb);
  62                return;
  63        }
  64        for (line = sb.buf; *line; line = eol + 1) {
  65                eol = strchr(line, '\n');
  66
  67                strbuf_reset(&linebuf);
  68                if (at_bol && s->display_comment_prefix) {
  69                        strbuf_addch(&linebuf, comment_line_char);
  70                        if (*line != '\n' && *line != '\t')
  71                                strbuf_addch(&linebuf, ' ');
  72                }
  73                if (eol)
  74                        strbuf_add(&linebuf, line, eol - line);
  75                else
  76                        strbuf_addstr(&linebuf, line);
  77                color_print_strbuf(s->fp, color, &linebuf);
  78                if (eol)
  79                        fprintf(s->fp, "\n");
  80                else
  81                        break;
  82                at_bol = 1;
  83        }
  84        if (trail)
  85                fprintf(s->fp, "%s", trail);
  86        strbuf_release(&linebuf);
  87        strbuf_release(&sb);
  88}
  89
  90void status_printf_ln(struct wt_status *s, const char *color,
  91                        const char *fmt, ...)
  92{
  93        va_list ap;
  94
  95        va_start(ap, fmt);
  96        status_vprintf(s, 1, color, fmt, ap, "\n");
  97        va_end(ap);
  98}
  99
 100void status_printf(struct wt_status *s, const char *color,
 101                        const char *fmt, ...)
 102{
 103        va_list ap;
 104
 105        va_start(ap, fmt);
 106        status_vprintf(s, 1, color, fmt, ap, NULL);
 107        va_end(ap);
 108}
 109
 110static void status_printf_more(struct wt_status *s, const char *color,
 111                               const char *fmt, ...)
 112{
 113        va_list ap;
 114
 115        va_start(ap, fmt);
 116        status_vprintf(s, 0, color, fmt, ap, NULL);
 117        va_end(ap);
 118}
 119
 120void wt_status_prepare(struct wt_status *s)
 121{
 122        unsigned char sha1[20];
 123
 124        memset(s, 0, sizeof(*s));
 125        memcpy(s->color_palette, default_wt_status_colors,
 126               sizeof(default_wt_status_colors));
 127        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 128        s->use_color = -1;
 129        s->relative_paths = 1;
 130        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 131        s->reference = "HEAD";
 132        s->fp = stdout;
 133        s->index_file = get_index_file();
 134        s->change.strdup_strings = 1;
 135        s->untracked.strdup_strings = 1;
 136        s->ignored.strdup_strings = 1;
 137        s->show_branch = -1;  /* unspecified */
 138        s->display_comment_prefix = 0;
 139}
 140
 141static void wt_status_print_unmerged_header(struct wt_status *s)
 142{
 143        int i;
 144        int del_mod_conflict = 0;
 145        int both_deleted = 0;
 146        int not_deleted = 0;
 147        const char *c = color(WT_STATUS_HEADER, s);
 148
 149        status_printf_ln(s, c, _("Unmerged paths:"));
 150
 151        for (i = 0; i < s->change.nr; i++) {
 152                struct string_list_item *it = &(s->change.items[i]);
 153                struct wt_status_change_data *d = it->util;
 154
 155                switch (d->stagemask) {
 156                case 0:
 157                        break;
 158                case 1:
 159                        both_deleted = 1;
 160                        break;
 161                case 3:
 162                case 5:
 163                        del_mod_conflict = 1;
 164                        break;
 165                default:
 166                        not_deleted = 1;
 167                        break;
 168                }
 169        }
 170
 171        if (!s->hints)
 172                return;
 173        if (s->whence != FROM_COMMIT)
 174                ;
 175        else if (!s->is_initial)
 176                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 177        else
 178                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 179
 180        if (!both_deleted) {
 181                if (!del_mod_conflict)
 182                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 183                else
 184                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 185        } else if (!del_mod_conflict && !not_deleted) {
 186                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 187        } else {
 188                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 189        }
 190        status_printf_ln(s, c, "");
 191}
 192
 193static void wt_status_print_cached_header(struct wt_status *s)
 194{
 195        const char *c = color(WT_STATUS_HEADER, s);
 196
 197        status_printf_ln(s, c, _("Changes to be committed:"));
 198        if (!s->hints)
 199                return;
 200        if (s->whence != FROM_COMMIT)
 201                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 202        else if (!s->is_initial)
 203                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 204        else
 205                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 206        status_printf_ln(s, c, "");
 207}
 208
 209static void wt_status_print_dirty_header(struct wt_status *s,
 210                                         int has_deleted,
 211                                         int has_dirty_submodules)
 212{
 213        const char *c = color(WT_STATUS_HEADER, s);
 214
 215        status_printf_ln(s, c, _("Changes not staged for commit:"));
 216        if (!s->hints)
 217                return;
 218        if (!has_deleted)
 219                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 220        else
 221                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 222        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 223        if (has_dirty_submodules)
 224                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 225        status_printf_ln(s, c, "");
 226}
 227
 228static void wt_status_print_other_header(struct wt_status *s,
 229                                         const char *what,
 230                                         const char *how)
 231{
 232        const char *c = color(WT_STATUS_HEADER, s);
 233        status_printf_ln(s, c, "%s:", what);
 234        if (!s->hints)
 235                return;
 236        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 237        status_printf_ln(s, c, "");
 238}
 239
 240static void wt_status_print_trailer(struct wt_status *s)
 241{
 242        status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 243}
 244
 245#define quote_path quote_path_relative
 246
 247static void wt_status_print_unmerged_data(struct wt_status *s,
 248                                          struct string_list_item *it)
 249{
 250        const char *c = color(WT_STATUS_UNMERGED, s);
 251        struct wt_status_change_data *d = it->util;
 252        struct strbuf onebuf = STRBUF_INIT;
 253        const char *one, *how = _("bug");
 254
 255        one = quote_path(it->string, s->prefix, &onebuf);
 256        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 257        switch (d->stagemask) {
 258        case 1: how = _("both deleted:"); break;
 259        case 2: how = _("added by us:"); break;
 260        case 3: how = _("deleted by them:"); break;
 261        case 4: how = _("added by them:"); break;
 262        case 5: how = _("deleted by us:"); break;
 263        case 6: how = _("both added:"); break;
 264        case 7: how = _("both modified:"); break;
 265        }
 266        status_printf_more(s, c, "%-20s%s\n", how, one);
 267        strbuf_release(&onebuf);
 268}
 269
 270static void wt_status_print_change_data(struct wt_status *s,
 271                                        int change_type,
 272                                        struct string_list_item *it)
 273{
 274        struct wt_status_change_data *d = it->util;
 275        const char *c = color(change_type, s);
 276        int status;
 277        char *one_name;
 278        char *two_name;
 279        const char *one, *two;
 280        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 281        struct strbuf extra = STRBUF_INIT;
 282
 283        one_name = two_name = it->string;
 284        switch (change_type) {
 285        case WT_STATUS_UPDATED:
 286                status = d->index_status;
 287                if (d->head_path)
 288                        one_name = d->head_path;
 289                break;
 290        case WT_STATUS_CHANGED:
 291                if (d->new_submodule_commits || d->dirty_submodule) {
 292                        strbuf_addstr(&extra, " (");
 293                        if (d->new_submodule_commits)
 294                                strbuf_addf(&extra, _("new commits, "));
 295                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 296                                strbuf_addf(&extra, _("modified content, "));
 297                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 298                                strbuf_addf(&extra, _("untracked content, "));
 299                        strbuf_setlen(&extra, extra.len - 2);
 300                        strbuf_addch(&extra, ')');
 301                }
 302                status = d->worktree_status;
 303                break;
 304        default:
 305                die("BUG: unhandled change_type %d in wt_status_print_change_data",
 306                    change_type);
 307        }
 308
 309        one = quote_path(one_name, s->prefix, &onebuf);
 310        two = quote_path(two_name, s->prefix, &twobuf);
 311
 312        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 313        switch (status) {
 314        case DIFF_STATUS_ADDED:
 315                status_printf_more(s, c, _("new file:   %s"), one);
 316                break;
 317        case DIFF_STATUS_COPIED:
 318                status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 319                break;
 320        case DIFF_STATUS_DELETED:
 321                status_printf_more(s, c, _("deleted:    %s"), one);
 322                break;
 323        case DIFF_STATUS_MODIFIED:
 324                status_printf_more(s, c, _("modified:   %s"), one);
 325                break;
 326        case DIFF_STATUS_RENAMED:
 327                status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 328                break;
 329        case DIFF_STATUS_TYPE_CHANGED:
 330                status_printf_more(s, c, _("typechange: %s"), one);
 331                break;
 332        case DIFF_STATUS_UNKNOWN:
 333                status_printf_more(s, c, _("unknown:    %s"), one);
 334                break;
 335        case DIFF_STATUS_UNMERGED:
 336                status_printf_more(s, c, _("unmerged:   %s"), one);
 337                break;
 338        default:
 339                die(_("bug: unhandled diff status %c"), status);
 340        }
 341        if (extra.len) {
 342                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 343                strbuf_release(&extra);
 344        }
 345        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 346        strbuf_release(&onebuf);
 347        strbuf_release(&twobuf);
 348}
 349
 350static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 351                                         struct diff_options *options,
 352                                         void *data)
 353{
 354        struct wt_status *s = data;
 355        int i;
 356
 357        if (!q->nr)
 358                return;
 359        s->workdir_dirty = 1;
 360        for (i = 0; i < q->nr; i++) {
 361                struct diff_filepair *p;
 362                struct string_list_item *it;
 363                struct wt_status_change_data *d;
 364
 365                p = q->queue[i];
 366                it = string_list_insert(&s->change, p->one->path);
 367                d = it->util;
 368                if (!d) {
 369                        d = xcalloc(1, sizeof(*d));
 370                        it->util = d;
 371                }
 372                if (!d->worktree_status)
 373                        d->worktree_status = p->status;
 374                d->dirty_submodule = p->two->dirty_submodule;
 375                if (S_ISGITLINK(p->two->mode))
 376                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 377        }
 378}
 379
 380static int unmerged_mask(const char *path)
 381{
 382        int pos, mask;
 383        const struct cache_entry *ce;
 384
 385        pos = cache_name_pos(path, strlen(path));
 386        if (0 <= pos)
 387                return 0;
 388
 389        mask = 0;
 390        pos = -pos-1;
 391        while (pos < active_nr) {
 392                ce = active_cache[pos++];
 393                if (strcmp(ce->name, path) || !ce_stage(ce))
 394                        break;
 395                mask |= (1 << (ce_stage(ce) - 1));
 396        }
 397        return mask;
 398}
 399
 400static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 401                                         struct diff_options *options,
 402                                         void *data)
 403{
 404        struct wt_status *s = data;
 405        int i;
 406
 407        for (i = 0; i < q->nr; i++) {
 408                struct diff_filepair *p;
 409                struct string_list_item *it;
 410                struct wt_status_change_data *d;
 411
 412                p = q->queue[i];
 413                it = string_list_insert(&s->change, p->two->path);
 414                d = it->util;
 415                if (!d) {
 416                        d = xcalloc(1, sizeof(*d));
 417                        it->util = d;
 418                }
 419                if (!d->index_status)
 420                        d->index_status = p->status;
 421                switch (p->status) {
 422                case DIFF_STATUS_COPIED:
 423                case DIFF_STATUS_RENAMED:
 424                        d->head_path = xstrdup(p->one->path);
 425                        break;
 426                case DIFF_STATUS_UNMERGED:
 427                        d->stagemask = unmerged_mask(p->two->path);
 428                        break;
 429                }
 430        }
 431}
 432
 433static void wt_status_collect_changes_worktree(struct wt_status *s)
 434{
 435        struct rev_info rev;
 436
 437        init_revisions(&rev, NULL);
 438        setup_revisions(0, NULL, &rev, NULL);
 439        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 440        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 441        if (!s->show_untracked_files)
 442                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 443        if (s->ignore_submodule_arg) {
 444                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 445                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 446        }
 447        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 448        rev.diffopt.format_callback_data = s;
 449        copy_pathspec(&rev.prune_data, &s->pathspec);
 450        run_diff_files(&rev, 0);
 451}
 452
 453static void wt_status_collect_changes_index(struct wt_status *s)
 454{
 455        struct rev_info rev;
 456        struct setup_revision_opt opt;
 457
 458        init_revisions(&rev, NULL);
 459        memset(&opt, 0, sizeof(opt));
 460        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 461        setup_revisions(0, NULL, &rev, &opt);
 462
 463        if (s->ignore_submodule_arg) {
 464                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 465                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 466        }
 467
 468        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 469        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 470        rev.diffopt.format_callback_data = s;
 471        rev.diffopt.detect_rename = 1;
 472        rev.diffopt.rename_limit = 200;
 473        rev.diffopt.break_opt = 0;
 474        copy_pathspec(&rev.prune_data, &s->pathspec);
 475        run_diff_index(&rev, 1);
 476}
 477
 478static void wt_status_collect_changes_initial(struct wt_status *s)
 479{
 480        int i;
 481
 482        for (i = 0; i < active_nr; i++) {
 483                struct string_list_item *it;
 484                struct wt_status_change_data *d;
 485                const struct cache_entry *ce = active_cache[i];
 486
 487                if (!ce_path_match(ce, &s->pathspec))
 488                        continue;
 489                it = string_list_insert(&s->change, ce->name);
 490                d = it->util;
 491                if (!d) {
 492                        d = xcalloc(1, sizeof(*d));
 493                        it->util = d;
 494                }
 495                if (ce_stage(ce)) {
 496                        d->index_status = DIFF_STATUS_UNMERGED;
 497                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 498                }
 499                else
 500                        d->index_status = DIFF_STATUS_ADDED;
 501        }
 502}
 503
 504static void wt_status_collect_untracked(struct wt_status *s)
 505{
 506        int i;
 507        struct dir_struct dir;
 508        struct timeval t_begin;
 509
 510        if (!s->show_untracked_files)
 511                return;
 512
 513        if (advice_status_u_option)
 514                gettimeofday(&t_begin, NULL);
 515
 516        memset(&dir, 0, sizeof(dir));
 517        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 518                dir.flags |=
 519                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 520        if (s->show_ignored_files)
 521                dir.flags |= DIR_SHOW_IGNORED_TOO;
 522        setup_standard_excludes(&dir);
 523
 524        fill_directory(&dir, &s->pathspec);
 525
 526        for (i = 0; i < dir.nr; i++) {
 527                struct dir_entry *ent = dir.entries[i];
 528                if (cache_name_is_other(ent->name, ent->len) &&
 529                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 530                        string_list_insert(&s->untracked, ent->name);
 531                free(ent);
 532        }
 533
 534        for (i = 0; i < dir.ignored_nr; i++) {
 535                struct dir_entry *ent = dir.ignored[i];
 536                if (cache_name_is_other(ent->name, ent->len) &&
 537                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 538                        string_list_insert(&s->ignored, ent->name);
 539                free(ent);
 540        }
 541
 542        free(dir.entries);
 543        free(dir.ignored);
 544        clear_directory(&dir);
 545
 546        if (advice_status_u_option) {
 547                struct timeval t_end;
 548                gettimeofday(&t_end, NULL);
 549                s->untracked_in_ms =
 550                        (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 551                        ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 552        }
 553}
 554
 555void wt_status_collect(struct wt_status *s)
 556{
 557        wt_status_collect_changes_worktree(s);
 558
 559        if (s->is_initial)
 560                wt_status_collect_changes_initial(s);
 561        else
 562                wt_status_collect_changes_index(s);
 563        wt_status_collect_untracked(s);
 564}
 565
 566static void wt_status_print_unmerged(struct wt_status *s)
 567{
 568        int shown_header = 0;
 569        int i;
 570
 571        for (i = 0; i < s->change.nr; i++) {
 572                struct wt_status_change_data *d;
 573                struct string_list_item *it;
 574                it = &(s->change.items[i]);
 575                d = it->util;
 576                if (!d->stagemask)
 577                        continue;
 578                if (!shown_header) {
 579                        wt_status_print_unmerged_header(s);
 580                        shown_header = 1;
 581                }
 582                wt_status_print_unmerged_data(s, it);
 583        }
 584        if (shown_header)
 585                wt_status_print_trailer(s);
 586
 587}
 588
 589static void wt_status_print_updated(struct wt_status *s)
 590{
 591        int shown_header = 0;
 592        int i;
 593
 594        for (i = 0; i < s->change.nr; i++) {
 595                struct wt_status_change_data *d;
 596                struct string_list_item *it;
 597                it = &(s->change.items[i]);
 598                d = it->util;
 599                if (!d->index_status ||
 600                    d->index_status == DIFF_STATUS_UNMERGED)
 601                        continue;
 602                if (!shown_header) {
 603                        wt_status_print_cached_header(s);
 604                        s->commitable = 1;
 605                        shown_header = 1;
 606                }
 607                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 608        }
 609        if (shown_header)
 610                wt_status_print_trailer(s);
 611}
 612
 613/*
 614 * -1 : has delete
 615 *  0 : no change
 616 *  1 : some change but no delete
 617 */
 618static int wt_status_check_worktree_changes(struct wt_status *s,
 619                                             int *dirty_submodules)
 620{
 621        int i;
 622        int changes = 0;
 623
 624        *dirty_submodules = 0;
 625
 626        for (i = 0; i < s->change.nr; i++) {
 627                struct wt_status_change_data *d;
 628                d = s->change.items[i].util;
 629                if (!d->worktree_status ||
 630                    d->worktree_status == DIFF_STATUS_UNMERGED)
 631                        continue;
 632                if (!changes)
 633                        changes = 1;
 634                if (d->dirty_submodule)
 635                        *dirty_submodules = 1;
 636                if (d->worktree_status == DIFF_STATUS_DELETED)
 637                        changes = -1;
 638        }
 639        return changes;
 640}
 641
 642static void wt_status_print_changed(struct wt_status *s)
 643{
 644        int i, dirty_submodules;
 645        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 646
 647        if (!worktree_changes)
 648                return;
 649
 650        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 651
 652        for (i = 0; i < s->change.nr; i++) {
 653                struct wt_status_change_data *d;
 654                struct string_list_item *it;
 655                it = &(s->change.items[i]);
 656                d = it->util;
 657                if (!d->worktree_status ||
 658                    d->worktree_status == DIFF_STATUS_UNMERGED)
 659                        continue;
 660                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 661        }
 662        wt_status_print_trailer(s);
 663}
 664
 665static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 666{
 667        struct child_process sm_summary;
 668        char summary_limit[64];
 669        char index[PATH_MAX];
 670        const char *env[] = { NULL, NULL };
 671        struct argv_array argv = ARGV_ARRAY_INIT;
 672        struct strbuf cmd_stdout = STRBUF_INIT;
 673        struct strbuf summary = STRBUF_INIT;
 674        char *summary_content;
 675        size_t len;
 676
 677        sprintf(summary_limit, "%d", s->submodule_summary);
 678        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 679
 680        env[0] = index;
 681        argv_array_push(&argv, "submodule");
 682        argv_array_push(&argv, "summary");
 683        argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 684        argv_array_push(&argv, "--for-status");
 685        argv_array_push(&argv, "--summary-limit");
 686        argv_array_push(&argv, summary_limit);
 687        if (!uncommitted)
 688                argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 689
 690        memset(&sm_summary, 0, sizeof(sm_summary));
 691        sm_summary.argv = argv.argv;
 692        sm_summary.env = env;
 693        sm_summary.git_cmd = 1;
 694        sm_summary.no_stdin = 1;
 695        fflush(s->fp);
 696        sm_summary.out = -1;
 697
 698        run_command(&sm_summary);
 699        argv_array_clear(&argv);
 700
 701        len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 702
 703        /* prepend header, only if there's an actual output */
 704        if (len) {
 705                if (uncommitted)
 706                        strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 707                else
 708                        strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 709                strbuf_addstr(&summary, "\n\n");
 710        }
 711        strbuf_addbuf(&summary, &cmd_stdout);
 712        strbuf_release(&cmd_stdout);
 713
 714        if (s->display_comment_prefix) {
 715                summary_content = strbuf_detach(&summary, &len);
 716                strbuf_add_commented_lines(&summary, summary_content, len);
 717                free(summary_content);
 718        }
 719
 720        fputs(summary.buf, s->fp);
 721        strbuf_release(&summary);
 722}
 723
 724static void wt_status_print_other(struct wt_status *s,
 725                                  struct string_list *l,
 726                                  const char *what,
 727                                  const char *how)
 728{
 729        int i;
 730        struct strbuf buf = STRBUF_INIT;
 731        static struct string_list output = STRING_LIST_INIT_DUP;
 732        struct column_options copts;
 733
 734        if (!l->nr)
 735                return;
 736
 737        wt_status_print_other_header(s, what, how);
 738
 739        for (i = 0; i < l->nr; i++) {
 740                struct string_list_item *it;
 741                const char *path;
 742                it = &(l->items[i]);
 743                path = quote_path(it->string, s->prefix, &buf);
 744                if (column_active(s->colopts)) {
 745                        string_list_append(&output, path);
 746                        continue;
 747                }
 748                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 749                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 750                                   "%s\n", path);
 751        }
 752
 753        strbuf_release(&buf);
 754        if (!column_active(s->colopts))
 755                goto conclude;
 756
 757        strbuf_addf(&buf, "%s%s\t%s",
 758                    color(WT_STATUS_HEADER, s),
 759                    s->display_comment_prefix ? "#" : "",
 760                    color(WT_STATUS_UNTRACKED, s));
 761        memset(&copts, 0, sizeof(copts));
 762        copts.padding = 1;
 763        copts.indent = buf.buf;
 764        if (want_color(s->use_color))
 765                copts.nl = GIT_COLOR_RESET "\n";
 766        print_columns(&output, s->colopts, &copts);
 767        string_list_clear(&output, 0);
 768        strbuf_release(&buf);
 769conclude:
 770        status_printf_ln(s, GIT_COLOR_NORMAL, "");
 771}
 772
 773void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
 774{
 775        const char *p;
 776        struct strbuf pattern = STRBUF_INIT;
 777
 778        strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
 779        p = strstr(buf->buf, pattern.buf);
 780        if (p && (p == buf->buf || p[-1] == '\n'))
 781                strbuf_setlen(buf, p - buf->buf);
 782        strbuf_release(&pattern);
 783}
 784
 785static void wt_status_print_verbose(struct wt_status *s)
 786{
 787        struct rev_info rev;
 788        struct setup_revision_opt opt;
 789
 790        init_revisions(&rev, NULL);
 791        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 792
 793        memset(&opt, 0, sizeof(opt));
 794        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 795        setup_revisions(0, NULL, &rev, &opt);
 796
 797        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 798        rev.diffopt.detect_rename = 1;
 799        rev.diffopt.file = s->fp;
 800        rev.diffopt.close_file = 0;
 801        /*
 802         * If we're not going to stdout, then we definitely don't
 803         * want color, since we are going to the commit message
 804         * file (and even the "auto" setting won't work, since it
 805         * will have checked isatty on stdout). But we then do want
 806         * to insert the scissor line here to reliably remove the
 807         * diff before committing.
 808         */
 809        if (s->fp != stdout) {
 810                const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
 811                struct strbuf buf = STRBUF_INIT;
 812
 813                rev.diffopt.use_color = 0;
 814                fprintf(s->fp, "%c %s", comment_line_char, cut_line);
 815                strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
 816                fputs(buf.buf, s->fp);
 817                strbuf_release(&buf);
 818        }
 819        run_diff_index(&rev, 1);
 820}
 821
 822static void wt_status_print_tracking(struct wt_status *s)
 823{
 824        struct strbuf sb = STRBUF_INIT;
 825        const char *cp, *ep;
 826        struct branch *branch;
 827        char comment_line_string[3];
 828        int i;
 829
 830        assert(s->branch && !s->is_initial);
 831        if (prefixcmp(s->branch, "refs/heads/"))
 832                return;
 833        branch = branch_get(s->branch + 11);
 834        if (!format_tracking_info(branch, &sb))
 835                return;
 836
 837        i = 0;
 838        if (s->display_comment_prefix) {
 839                comment_line_string[i++] = comment_line_char;
 840                comment_line_string[i++] = ' ';
 841        }
 842        comment_line_string[i] = '\0';
 843
 844        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 845                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 846                                 "%s%.*s", comment_line_string,
 847                                 (int)(ep - cp), cp);
 848        if (s->display_comment_prefix)
 849                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 850                                 comment_line_char);
 851        else
 852                fprintf_ln(s->fp, "");
 853}
 854
 855static int has_unmerged(struct wt_status *s)
 856{
 857        int i;
 858
 859        for (i = 0; i < s->change.nr; i++) {
 860                struct wt_status_change_data *d;
 861                d = s->change.items[i].util;
 862                if (d->stagemask)
 863                        return 1;
 864        }
 865        return 0;
 866}
 867
 868static void show_merge_in_progress(struct wt_status *s,
 869                                struct wt_status_state *state,
 870                                const char *color)
 871{
 872        if (has_unmerged(s)) {
 873                status_printf_ln(s, color, _("You have unmerged paths."));
 874                if (s->hints)
 875                        status_printf_ln(s, color,
 876                                _("  (fix conflicts and run \"git commit\")"));
 877        } else {
 878                status_printf_ln(s, color,
 879                        _("All conflicts fixed but you are still merging."));
 880                if (s->hints)
 881                        status_printf_ln(s, color,
 882                                _("  (use \"git commit\" to conclude merge)"));
 883        }
 884        wt_status_print_trailer(s);
 885}
 886
 887static void show_am_in_progress(struct wt_status *s,
 888                                struct wt_status_state *state,
 889                                const char *color)
 890{
 891        status_printf_ln(s, color,
 892                _("You are in the middle of an am session."));
 893        if (state->am_empty_patch)
 894                status_printf_ln(s, color,
 895                        _("The current patch is empty."));
 896        if (s->hints) {
 897                if (!state->am_empty_patch)
 898                        status_printf_ln(s, color,
 899                                _("  (fix conflicts and then run \"git am --continue\")"));
 900                status_printf_ln(s, color,
 901                        _("  (use \"git am --skip\" to skip this patch)"));
 902                status_printf_ln(s, color,
 903                        _("  (use \"git am --abort\" to restore the original branch)"));
 904        }
 905        wt_status_print_trailer(s);
 906}
 907
 908static char *read_line_from_git_path(const char *filename)
 909{
 910        struct strbuf buf = STRBUF_INIT;
 911        FILE *fp = fopen(git_path("%s", filename), "r");
 912        if (!fp) {
 913                strbuf_release(&buf);
 914                return NULL;
 915        }
 916        strbuf_getline(&buf, fp, '\n');
 917        if (!fclose(fp)) {
 918                return strbuf_detach(&buf, NULL);
 919        } else {
 920                strbuf_release(&buf);
 921                return NULL;
 922        }
 923}
 924
 925static int split_commit_in_progress(struct wt_status *s)
 926{
 927        int split_in_progress = 0;
 928        char *head = read_line_from_git_path("HEAD");
 929        char *orig_head = read_line_from_git_path("ORIG_HEAD");
 930        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 931        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 932
 933        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 934            !s->branch || strcmp(s->branch, "HEAD"))
 935                return split_in_progress;
 936
 937        if (!strcmp(rebase_amend, rebase_orig_head)) {
 938                if (strcmp(head, rebase_amend))
 939                        split_in_progress = 1;
 940        } else if (strcmp(orig_head, rebase_orig_head)) {
 941                split_in_progress = 1;
 942        }
 943
 944        if (!s->amend && !s->nowarn && !s->workdir_dirty)
 945                split_in_progress = 0;
 946
 947        free(head);
 948        free(orig_head);
 949        free(rebase_amend);
 950        free(rebase_orig_head);
 951        return split_in_progress;
 952}
 953
 954static void show_rebase_in_progress(struct wt_status *s,
 955                                struct wt_status_state *state,
 956                                const char *color)
 957{
 958        struct stat st;
 959
 960        if (has_unmerged(s)) {
 961                if (state->branch)
 962                        status_printf_ln(s, color,
 963                                         _("You are currently rebasing branch '%s' on '%s'."),
 964                                         state->branch,
 965                                         state->onto);
 966                else
 967                        status_printf_ln(s, color,
 968                                         _("You are currently rebasing."));
 969                if (s->hints) {
 970                        status_printf_ln(s, color,
 971                                _("  (fix conflicts and then run \"git rebase --continue\")"));
 972                        status_printf_ln(s, color,
 973                                _("  (use \"git rebase --skip\" to skip this patch)"));
 974                        status_printf_ln(s, color,
 975                                _("  (use \"git rebase --abort\" to check out the original branch)"));
 976                }
 977        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 978                if (state->branch)
 979                        status_printf_ln(s, color,
 980                                         _("You are currently rebasing branch '%s' on '%s'."),
 981                                         state->branch,
 982                                         state->onto);
 983                else
 984                        status_printf_ln(s, color,
 985                                         _("You are currently rebasing."));
 986                if (s->hints)
 987                        status_printf_ln(s, color,
 988                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
 989        } else if (split_commit_in_progress(s)) {
 990                if (state->branch)
 991                        status_printf_ln(s, color,
 992                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 993                                         state->branch,
 994                                         state->onto);
 995                else
 996                        status_printf_ln(s, color,
 997                                         _("You are currently splitting a commit during a rebase."));
 998                if (s->hints)
 999                        status_printf_ln(s, color,
1000                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
1001        } else {
1002                if (state->branch)
1003                        status_printf_ln(s, color,
1004                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1005                                         state->branch,
1006                                         state->onto);
1007                else
1008                        status_printf_ln(s, color,
1009                                         _("You are currently editing a commit during a rebase."));
1010                if (s->hints && !s->amend) {
1011                        status_printf_ln(s, color,
1012                                _("  (use \"git commit --amend\" to amend the current commit)"));
1013                        status_printf_ln(s, color,
1014                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
1015                }
1016        }
1017        wt_status_print_trailer(s);
1018}
1019
1020static void show_cherry_pick_in_progress(struct wt_status *s,
1021                                        struct wt_status_state *state,
1022                                        const char *color)
1023{
1024        status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1025                        find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1026        if (s->hints) {
1027                if (has_unmerged(s))
1028                        status_printf_ln(s, color,
1029                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1030                else
1031                        status_printf_ln(s, color,
1032                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1033                status_printf_ln(s, color,
1034                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1035        }
1036        wt_status_print_trailer(s);
1037}
1038
1039static void show_revert_in_progress(struct wt_status *s,
1040                                        struct wt_status_state *state,
1041                                        const char *color)
1042{
1043        status_printf_ln(s, color, _("You are currently reverting commit %s."),
1044                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1045        if (s->hints) {
1046                if (has_unmerged(s))
1047                        status_printf_ln(s, color,
1048                                _("  (fix conflicts and run \"git revert --continue\")"));
1049                else
1050                        status_printf_ln(s, color,
1051                                _("  (all conflicts fixed: run \"git revert --continue\")"));
1052                status_printf_ln(s, color,
1053                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
1054        }
1055        wt_status_print_trailer(s);
1056}
1057
1058static void show_bisect_in_progress(struct wt_status *s,
1059                                struct wt_status_state *state,
1060                                const char *color)
1061{
1062        if (state->branch)
1063                status_printf_ln(s, color,
1064                                 _("You are currently bisecting, started from branch '%s'."),
1065                                 state->branch);
1066        else
1067                status_printf_ln(s, color,
1068                                 _("You are currently bisecting."));
1069        if (s->hints)
1070                status_printf_ln(s, color,
1071                        _("  (use \"git bisect reset\" to get back to the original branch)"));
1072        wt_status_print_trailer(s);
1073}
1074
1075/*
1076 * Extract branch information from rebase/bisect
1077 */
1078static char *read_and_strip_branch(const char *path)
1079{
1080        struct strbuf sb = STRBUF_INIT;
1081        unsigned char sha1[20];
1082
1083        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1084                goto got_nothing;
1085
1086        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1087                strbuf_setlen(&sb, sb.len - 1);
1088        if (!sb.len)
1089                goto got_nothing;
1090        if (!prefixcmp(sb.buf, "refs/heads/"))
1091                strbuf_remove(&sb,0, strlen("refs/heads/"));
1092        else if (!prefixcmp(sb.buf, "refs/"))
1093                ;
1094        else if (!get_sha1_hex(sb.buf, sha1)) {
1095                const char *abbrev;
1096                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1097                strbuf_reset(&sb);
1098                strbuf_addstr(&sb, abbrev);
1099        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1100                goto got_nothing;
1101        else                    /* bisect */
1102                ;
1103        return strbuf_detach(&sb, NULL);
1104
1105got_nothing:
1106        strbuf_release(&sb);
1107        return NULL;
1108}
1109
1110struct grab_1st_switch_cbdata {
1111        struct strbuf buf;
1112        unsigned char nsha1[20];
1113};
1114
1115static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1116                           const char *email, unsigned long timestamp, int tz,
1117                           const char *message, void *cb_data)
1118{
1119        struct grab_1st_switch_cbdata *cb = cb_data;
1120        const char *target = NULL, *end;
1121
1122        if (prefixcmp(message, "checkout: moving from "))
1123                return 0;
1124        message += strlen("checkout: moving from ");
1125        target = strstr(message, " to ");
1126        if (!target)
1127                return 0;
1128        target += strlen(" to ");
1129        strbuf_reset(&cb->buf);
1130        hashcpy(cb->nsha1, nsha1);
1131        for (end = target; *end && *end != '\n'; end++)
1132                ;
1133        strbuf_add(&cb->buf, target, end - target);
1134        return 1;
1135}
1136
1137static void wt_status_get_detached_from(struct wt_status_state *state)
1138{
1139        struct grab_1st_switch_cbdata cb;
1140        struct commit *commit;
1141        unsigned char sha1[20];
1142        char *ref = NULL;
1143
1144        strbuf_init(&cb.buf, 0);
1145        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1146                strbuf_release(&cb.buf);
1147                return;
1148        }
1149
1150        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1151            /* sha1 is a commit? match without further lookup */
1152            (!hashcmp(cb.nsha1, sha1) ||
1153             /* perhaps sha1 is a tag, try to dereference to a commit */
1154             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1155              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1156                int ofs;
1157                if (!prefixcmp(ref, "refs/tags/"))
1158                        ofs = strlen("refs/tags/");
1159                else if (!prefixcmp(ref, "refs/remotes/"))
1160                        ofs = strlen("refs/remotes/");
1161                else
1162                        ofs = 0;
1163                state->detached_from = xstrdup(ref + ofs);
1164        } else
1165                state->detached_from =
1166                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1167        hashcpy(state->detached_sha1, cb.nsha1);
1168
1169        free(ref);
1170        strbuf_release(&cb.buf);
1171}
1172
1173void wt_status_get_state(struct wt_status_state *state,
1174                         int get_detached_from)
1175{
1176        struct stat st;
1177        unsigned char sha1[20];
1178
1179        if (!stat(git_path("MERGE_HEAD"), &st)) {
1180                state->merge_in_progress = 1;
1181        } else if (!stat(git_path("rebase-apply"), &st)) {
1182                if (!stat(git_path("rebase-apply/applying"), &st)) {
1183                        state->am_in_progress = 1;
1184                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1185                                state->am_empty_patch = 1;
1186                } else {
1187                        state->rebase_in_progress = 1;
1188                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1189                        state->onto = read_and_strip_branch("rebase-apply/onto");
1190                }
1191        } else if (!stat(git_path("rebase-merge"), &st)) {
1192                if (!stat(git_path("rebase-merge/interactive"), &st))
1193                        state->rebase_interactive_in_progress = 1;
1194                else
1195                        state->rebase_in_progress = 1;
1196                state->branch = read_and_strip_branch("rebase-merge/head-name");
1197                state->onto = read_and_strip_branch("rebase-merge/onto");
1198        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1199                        !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1200                state->cherry_pick_in_progress = 1;
1201                hashcpy(state->cherry_pick_head_sha1, sha1);
1202        }
1203        if (!stat(git_path("BISECT_LOG"), &st)) {
1204                state->bisect_in_progress = 1;
1205                state->branch = read_and_strip_branch("BISECT_START");
1206        }
1207        if (!stat(git_path("REVERT_HEAD"), &st) &&
1208            !get_sha1("REVERT_HEAD", sha1)) {
1209                state->revert_in_progress = 1;
1210                hashcpy(state->revert_head_sha1, sha1);
1211        }
1212
1213        if (get_detached_from)
1214                wt_status_get_detached_from(state);
1215}
1216
1217static void wt_status_print_state(struct wt_status *s,
1218                                  struct wt_status_state *state)
1219{
1220        const char *state_color = color(WT_STATUS_HEADER, s);
1221        if (state->merge_in_progress)
1222                show_merge_in_progress(s, state, state_color);
1223        else if (state->am_in_progress)
1224                show_am_in_progress(s, state, state_color);
1225        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1226                show_rebase_in_progress(s, state, state_color);
1227        else if (state->cherry_pick_in_progress)
1228                show_cherry_pick_in_progress(s, state, state_color);
1229        else if (state->revert_in_progress)
1230                show_revert_in_progress(s, state, state_color);
1231        if (state->bisect_in_progress)
1232                show_bisect_in_progress(s, state, state_color);
1233}
1234
1235void wt_status_print(struct wt_status *s)
1236{
1237        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1238        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1239        struct wt_status_state state;
1240
1241        memset(&state, 0, sizeof(state));
1242        wt_status_get_state(&state,
1243                            s->branch && !strcmp(s->branch, "HEAD"));
1244
1245        if (s->branch) {
1246                const char *on_what = _("On branch ");
1247                const char *branch_name = s->branch;
1248                if (!prefixcmp(branch_name, "refs/heads/"))
1249                        branch_name += 11;
1250                else if (!strcmp(branch_name, "HEAD")) {
1251                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1252                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1253                                on_what = _("rebase in progress; onto ");
1254                                branch_name = state.onto;
1255                        } else if (state.detached_from) {
1256                                unsigned char sha1[20];
1257                                branch_name = state.detached_from;
1258                                if (!get_sha1("HEAD", sha1) &&
1259                                    !hashcmp(sha1, state.detached_sha1))
1260                                        on_what = _("HEAD detached at ");
1261                                else
1262                                        on_what = _("HEAD detached from ");
1263                        } else {
1264                                branch_name = "";
1265                                on_what = _("Not currently on any branch.");
1266                        }
1267                }
1268                status_printf(s, color(WT_STATUS_HEADER, s), "");
1269                status_printf_more(s, branch_status_color, "%s", on_what);
1270                status_printf_more(s, branch_color, "%s\n", branch_name);
1271                if (!s->is_initial)
1272                        wt_status_print_tracking(s);
1273        }
1274
1275        wt_status_print_state(s, &state);
1276        free(state.branch);
1277        free(state.onto);
1278        free(state.detached_from);
1279
1280        if (s->is_initial) {
1281                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1282                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1283                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1284        }
1285
1286        wt_status_print_updated(s);
1287        wt_status_print_unmerged(s);
1288        wt_status_print_changed(s);
1289        if (s->submodule_summary &&
1290            (!s->ignore_submodule_arg ||
1291             strcmp(s->ignore_submodule_arg, "all"))) {
1292                wt_status_print_submodule_summary(s, 0);  /* staged */
1293                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1294        }
1295        if (s->show_untracked_files) {
1296                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1297                if (s->show_ignored_files)
1298                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1299                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1300                        status_printf_ln(s, GIT_COLOR_NORMAL, "");
1301                        status_printf_ln(s, GIT_COLOR_NORMAL,
1302                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1303                                           "may speed it up, but you have to be careful not to forget to add\n"
1304                                           "new files yourself (see 'git help status')."),
1305                                         s->untracked_in_ms / 1000.0);
1306                }
1307        } else if (s->commitable)
1308                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1309                        s->hints
1310                        ? _(" (use -u option to show untracked files)") : "");
1311
1312        if (s->verbose)
1313                wt_status_print_verbose(s);
1314        if (!s->commitable) {
1315                if (s->amend)
1316                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1317                else if (s->nowarn)
1318                        ; /* nothing */
1319                else if (s->workdir_dirty) {
1320                        if (s->hints)
1321                                printf(_("no changes added to commit "
1322                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1323                        else
1324                                printf(_("no changes added to commit\n"));
1325                } else if (s->untracked.nr) {
1326                        if (s->hints)
1327                                printf(_("nothing added to commit but untracked files "
1328                                         "present (use \"git add\" to track)\n"));
1329                        else
1330                                printf(_("nothing added to commit but untracked files present\n"));
1331                } else if (s->is_initial) {
1332                        if (s->hints)
1333                                printf(_("nothing to commit (create/copy files "
1334                                         "and use \"git add\" to track)\n"));
1335                        else
1336                                printf(_("nothing to commit\n"));
1337                } else if (!s->show_untracked_files) {
1338                        if (s->hints)
1339                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1340                        else
1341                                printf(_("nothing to commit\n"));
1342                } else
1343                        printf(_("nothing to commit, working directory clean\n"));
1344        }
1345}
1346
1347static void wt_shortstatus_unmerged(struct string_list_item *it,
1348                           struct wt_status *s)
1349{
1350        struct wt_status_change_data *d = it->util;
1351        const char *how = "??";
1352
1353        switch (d->stagemask) {
1354        case 1: how = "DD"; break; /* both deleted */
1355        case 2: how = "AU"; break; /* added by us */
1356        case 3: how = "UD"; break; /* deleted by them */
1357        case 4: how = "UA"; break; /* added by them */
1358        case 5: how = "DU"; break; /* deleted by us */
1359        case 6: how = "AA"; break; /* both added */
1360        case 7: how = "UU"; break; /* both modified */
1361        }
1362        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1363        if (s->null_termination) {
1364                fprintf(stdout, " %s%c", it->string, 0);
1365        } else {
1366                struct strbuf onebuf = STRBUF_INIT;
1367                const char *one;
1368                one = quote_path(it->string, s->prefix, &onebuf);
1369                printf(" %s\n", one);
1370                strbuf_release(&onebuf);
1371        }
1372}
1373
1374static void wt_shortstatus_status(struct string_list_item *it,
1375                         struct wt_status *s)
1376{
1377        struct wt_status_change_data *d = it->util;
1378
1379        if (d->index_status)
1380                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1381        else
1382                putchar(' ');
1383        if (d->worktree_status)
1384                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1385        else
1386                putchar(' ');
1387        putchar(' ');
1388        if (s->null_termination) {
1389                fprintf(stdout, "%s%c", it->string, 0);
1390                if (d->head_path)
1391                        fprintf(stdout, "%s%c", d->head_path, 0);
1392        } else {
1393                struct strbuf onebuf = STRBUF_INIT;
1394                const char *one;
1395                if (d->head_path) {
1396                        one = quote_path(d->head_path, s->prefix, &onebuf);
1397                        if (*one != '"' && strchr(one, ' ') != NULL) {
1398                                putchar('"');
1399                                strbuf_addch(&onebuf, '"');
1400                                one = onebuf.buf;
1401                        }
1402                        printf("%s -> ", one);
1403                        strbuf_release(&onebuf);
1404                }
1405                one = quote_path(it->string, s->prefix, &onebuf);
1406                if (*one != '"' && strchr(one, ' ') != NULL) {
1407                        putchar('"');
1408                        strbuf_addch(&onebuf, '"');
1409                        one = onebuf.buf;
1410                }
1411                printf("%s\n", one);
1412                strbuf_release(&onebuf);
1413        }
1414}
1415
1416static void wt_shortstatus_other(struct string_list_item *it,
1417                                 struct wt_status *s, const char *sign)
1418{
1419        if (s->null_termination) {
1420                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1421        } else {
1422                struct strbuf onebuf = STRBUF_INIT;
1423                const char *one;
1424                one = quote_path(it->string, s->prefix, &onebuf);
1425                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1426                printf(" %s\n", one);
1427                strbuf_release(&onebuf);
1428        }
1429}
1430
1431static void wt_shortstatus_print_tracking(struct wt_status *s)
1432{
1433        struct branch *branch;
1434        const char *header_color = color(WT_STATUS_HEADER, s);
1435        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1436        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1437
1438        const char *base;
1439        const char *branch_name;
1440        int num_ours, num_theirs;
1441        int upstream_is_gone = 0;
1442
1443        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1444
1445        if (!s->branch)
1446                return;
1447        branch_name = s->branch;
1448
1449        if (!prefixcmp(branch_name, "refs/heads/"))
1450                branch_name += 11;
1451        else if (!strcmp(branch_name, "HEAD")) {
1452                branch_name = _("HEAD (no branch)");
1453                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1454        }
1455
1456        branch = branch_get(s->branch + 11);
1457        if (s->is_initial)
1458                color_fprintf(s->fp, header_color, _("Initial commit on "));
1459
1460        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1461
1462        switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1463        case 0:
1464                /* no base */
1465                fputc(s->null_termination ? '\0' : '\n', s->fp);
1466                return;
1467        case -1:
1468                /* with "gone" base */
1469                upstream_is_gone = 1;
1470                break;
1471        default:
1472                /* with base */
1473                break;
1474        }
1475
1476        base = branch->merge[0]->dst;
1477        base = shorten_unambiguous_ref(base, 0);
1478        color_fprintf(s->fp, header_color, "...");
1479        color_fprintf(s->fp, branch_color_remote, "%s", base);
1480
1481        if (!upstream_is_gone && !num_ours && !num_theirs) {
1482                fputc(s->null_termination ? '\0' : '\n', s->fp);
1483                return;
1484        }
1485
1486        color_fprintf(s->fp, header_color, " [");
1487        if (upstream_is_gone) {
1488                color_fprintf(s->fp, header_color, _("gone"));
1489        } else if (!num_ours) {
1490                color_fprintf(s->fp, header_color, _("behind "));
1491                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1492        } else if (!num_theirs) {
1493                color_fprintf(s->fp, header_color, _("ahead "));
1494                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1495        } else {
1496                color_fprintf(s->fp, header_color, _("ahead "));
1497                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1498                color_fprintf(s->fp, header_color, _(", behind "));
1499                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1500        }
1501
1502        color_fprintf(s->fp, header_color, "]");
1503        fputc(s->null_termination ? '\0' : '\n', s->fp);
1504}
1505
1506void wt_shortstatus_print(struct wt_status *s)
1507{
1508        int i;
1509
1510        if (s->show_branch)
1511                wt_shortstatus_print_tracking(s);
1512
1513        for (i = 0; i < s->change.nr; i++) {
1514                struct wt_status_change_data *d;
1515                struct string_list_item *it;
1516
1517                it = &(s->change.items[i]);
1518                d = it->util;
1519                if (d->stagemask)
1520                        wt_shortstatus_unmerged(it, s);
1521                else
1522                        wt_shortstatus_status(it, s);
1523        }
1524        for (i = 0; i < s->untracked.nr; i++) {
1525                struct string_list_item *it;
1526
1527                it = &(s->untracked.items[i]);
1528                wt_shortstatus_other(it, s, "??");
1529        }
1530        for (i = 0; i < s->ignored.nr; i++) {
1531                struct string_list_item *it;
1532
1533                it = &(s->ignored.items[i]);
1534                wt_shortstatus_other(it, s, "!!");
1535        }
1536}
1537
1538void wt_porcelain_print(struct wt_status *s)
1539{
1540        s->use_color = 0;
1541        s->relative_paths = 0;
1542        s->prefix = NULL;
1543        wt_shortstatus_print(s);
1544}