wt-status.con commit Git 1.9.3 (eea5913)
   1#include "cache.h"
   2#include "pathspec.h"
   3#include "wt-status.h"
   4#include "object.h"
   5#include "dir.h"
   6#include "commit.h"
   7#include "diff.h"
   8#include "revision.h"
   9#include "diffcore.h"
  10#include "quote.h"
  11#include "run-command.h"
  12#include "argv-array.h"
  13#include "remote.h"
  14#include "refs.h"
  15#include "submodule.h"
  16#include "column.h"
  17#include "strbuf.h"
  18#include "utf8.h"
  19
  20static char cut_line[] =
  21"------------------------ >8 ------------------------\n";
  22
  23static char default_wt_status_colors[][COLOR_MAXLEN] = {
  24        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  25        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  26        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  27        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  28        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  29        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  30        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  31        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  32        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  33};
  34
  35static const char *color(int slot, struct wt_status *s)
  36{
  37        const char *c = "";
  38        if (want_color(s->use_color))
  39                c = s->color_palette[slot];
  40        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  41                c = s->color_palette[WT_STATUS_HEADER];
  42        return c;
  43}
  44
  45static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  46                const char *fmt, va_list ap, const char *trail)
  47{
  48        struct strbuf sb = STRBUF_INIT;
  49        struct strbuf linebuf = STRBUF_INIT;
  50        const char *line, *eol;
  51
  52        strbuf_vaddf(&sb, fmt, ap);
  53        if (!sb.len) {
  54                if (s->display_comment_prefix) {
  55                        strbuf_addch(&sb, comment_line_char);
  56                        if (!trail)
  57                                strbuf_addch(&sb, ' ');
  58                }
  59                color_print_strbuf(s->fp, color, &sb);
  60                if (trail)
  61                        fprintf(s->fp, "%s", trail);
  62                strbuf_release(&sb);
  63                return;
  64        }
  65        for (line = sb.buf; *line; line = eol + 1) {
  66                eol = strchr(line, '\n');
  67
  68                strbuf_reset(&linebuf);
  69                if (at_bol && s->display_comment_prefix) {
  70                        strbuf_addch(&linebuf, comment_line_char);
  71                        if (*line != '\n' && *line != '\t')
  72                                strbuf_addch(&linebuf, ' ');
  73                }
  74                if (eol)
  75                        strbuf_add(&linebuf, line, eol - line);
  76                else
  77                        strbuf_addstr(&linebuf, line);
  78                color_print_strbuf(s->fp, color, &linebuf);
  79                if (eol)
  80                        fprintf(s->fp, "\n");
  81                else
  82                        break;
  83                at_bol = 1;
  84        }
  85        if (trail)
  86                fprintf(s->fp, "%s", trail);
  87        strbuf_release(&linebuf);
  88        strbuf_release(&sb);
  89}
  90
  91void status_printf_ln(struct wt_status *s, const char *color,
  92                        const char *fmt, ...)
  93{
  94        va_list ap;
  95
  96        va_start(ap, fmt);
  97        status_vprintf(s, 1, color, fmt, ap, "\n");
  98        va_end(ap);
  99}
 100
 101void status_printf(struct wt_status *s, const char *color,
 102                        const char *fmt, ...)
 103{
 104        va_list ap;
 105
 106        va_start(ap, fmt);
 107        status_vprintf(s, 1, color, fmt, ap, NULL);
 108        va_end(ap);
 109}
 110
 111static void status_printf_more(struct wt_status *s, const char *color,
 112                               const char *fmt, ...)
 113{
 114        va_list ap;
 115
 116        va_start(ap, fmt);
 117        status_vprintf(s, 0, color, fmt, ap, NULL);
 118        va_end(ap);
 119}
 120
 121void wt_status_prepare(struct wt_status *s)
 122{
 123        unsigned char sha1[20];
 124
 125        memset(s, 0, sizeof(*s));
 126        memcpy(s->color_palette, default_wt_status_colors,
 127               sizeof(default_wt_status_colors));
 128        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 129        s->use_color = -1;
 130        s->relative_paths = 1;
 131        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 132        s->reference = "HEAD";
 133        s->fp = stdout;
 134        s->index_file = get_index_file();
 135        s->change.strdup_strings = 1;
 136        s->untracked.strdup_strings = 1;
 137        s->ignored.strdup_strings = 1;
 138        s->show_branch = -1;  /* unspecified */
 139        s->display_comment_prefix = 0;
 140}
 141
 142static void wt_status_print_unmerged_header(struct wt_status *s)
 143{
 144        int i;
 145        int del_mod_conflict = 0;
 146        int both_deleted = 0;
 147        int not_deleted = 0;
 148        const char *c = color(WT_STATUS_HEADER, s);
 149
 150        status_printf_ln(s, c, _("Unmerged paths:"));
 151
 152        for (i = 0; i < s->change.nr; i++) {
 153                struct string_list_item *it = &(s->change.items[i]);
 154                struct wt_status_change_data *d = it->util;
 155
 156                switch (d->stagemask) {
 157                case 0:
 158                        break;
 159                case 1:
 160                        both_deleted = 1;
 161                        break;
 162                case 3:
 163                case 5:
 164                        del_mod_conflict = 1;
 165                        break;
 166                default:
 167                        not_deleted = 1;
 168                        break;
 169                }
 170        }
 171
 172        if (!s->hints)
 173                return;
 174        if (s->whence != FROM_COMMIT)
 175                ;
 176        else if (!s->is_initial)
 177                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 178        else
 179                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 180
 181        if (!both_deleted) {
 182                if (!del_mod_conflict)
 183                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 184                else
 185                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 186        } else if (!del_mod_conflict && !not_deleted) {
 187                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 188        } else {
 189                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 190        }
 191        status_printf_ln(s, c, "");
 192}
 193
 194static void wt_status_print_cached_header(struct wt_status *s)
 195{
 196        const char *c = color(WT_STATUS_HEADER, s);
 197
 198        status_printf_ln(s, c, _("Changes to be committed:"));
 199        if (!s->hints)
 200                return;
 201        if (s->whence != FROM_COMMIT)
 202                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 203        else if (!s->is_initial)
 204                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 205        else
 206                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 207        status_printf_ln(s, c, "");
 208}
 209
 210static void wt_status_print_dirty_header(struct wt_status *s,
 211                                         int has_deleted,
 212                                         int has_dirty_submodules)
 213{
 214        const char *c = color(WT_STATUS_HEADER, s);
 215
 216        status_printf_ln(s, c, _("Changes not staged for commit:"));
 217        if (!s->hints)
 218                return;
 219        if (!has_deleted)
 220                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 221        else
 222                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 223        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 224        if (has_dirty_submodules)
 225                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 226        status_printf_ln(s, c, "");
 227}
 228
 229static void wt_status_print_other_header(struct wt_status *s,
 230                                         const char *what,
 231                                         const char *how)
 232{
 233        const char *c = color(WT_STATUS_HEADER, s);
 234        status_printf_ln(s, c, "%s:", what);
 235        if (!s->hints)
 236                return;
 237        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 238        status_printf_ln(s, c, "");
 239}
 240
 241static void wt_status_print_trailer(struct wt_status *s)
 242{
 243        status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 244}
 245
 246#define quote_path quote_path_relative
 247
 248static const char *wt_status_unmerged_status_string(int stagemask)
 249{
 250        switch (stagemask) {
 251        case 1:
 252                return _("both deleted:");
 253        case 2:
 254                return _("added by us:");
 255        case 3:
 256                return _("deleted by them:");
 257        case 4:
 258                return _("added by them:");
 259        case 5:
 260                return _("deleted by us:");
 261        case 6:
 262                return _("both added:");
 263        case 7:
 264                return _("both modified:");
 265        default:
 266                die(_("bug: unhandled unmerged status %x"), stagemask);
 267        }
 268}
 269
 270static const char *wt_status_diff_status_string(int status)
 271{
 272        switch (status) {
 273        case DIFF_STATUS_ADDED:
 274                return _("new file:");
 275        case DIFF_STATUS_COPIED:
 276                return _("copied:");
 277        case DIFF_STATUS_DELETED:
 278                return _("deleted:");
 279        case DIFF_STATUS_MODIFIED:
 280                return _("modified:");
 281        case DIFF_STATUS_RENAMED:
 282                return _("renamed:");
 283        case DIFF_STATUS_TYPE_CHANGED:
 284                return _("typechange:");
 285        case DIFF_STATUS_UNKNOWN:
 286                return _("unknown:");
 287        case DIFF_STATUS_UNMERGED:
 288                return _("unmerged:");
 289        default:
 290                return NULL;
 291        }
 292}
 293
 294static int maxwidth(const char *(*label)(int), int minval, int maxval)
 295{
 296        int result = 0, i;
 297
 298        for (i = minval; i <= maxval; i++) {
 299                const char *s = label(i);
 300                int len = s ? utf8_strwidth(s) : 0;
 301                if (len > result)
 302                        result = len;
 303        }
 304        return result;
 305}
 306
 307static void wt_status_print_unmerged_data(struct wt_status *s,
 308                                          struct string_list_item *it)
 309{
 310        const char *c = color(WT_STATUS_UNMERGED, s);
 311        struct wt_status_change_data *d = it->util;
 312        struct strbuf onebuf = STRBUF_INIT;
 313        static char *padding;
 314        static int label_width;
 315        const char *one, *how;
 316        int len;
 317
 318        if (!padding) {
 319                label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
 320                label_width += strlen(" ");
 321                padding = xmallocz(label_width);
 322                memset(padding, ' ', label_width);
 323        }
 324
 325        one = quote_path(it->string, s->prefix, &onebuf);
 326        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 327
 328        how = wt_status_unmerged_status_string(d->stagemask);
 329        len = label_width - utf8_strwidth(how);
 330        status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
 331        strbuf_release(&onebuf);
 332}
 333
 334static void wt_status_print_change_data(struct wt_status *s,
 335                                        int change_type,
 336                                        struct string_list_item *it)
 337{
 338        struct wt_status_change_data *d = it->util;
 339        const char *c = color(change_type, s);
 340        int status;
 341        char *one_name;
 342        char *two_name;
 343        const char *one, *two;
 344        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 345        struct strbuf extra = STRBUF_INIT;
 346        static char *padding;
 347        static int label_width;
 348        const char *what;
 349        int len;
 350
 351        if (!padding) {
 352                /* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
 353                label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
 354                label_width += strlen(" ");
 355                padding = xmallocz(label_width);
 356                memset(padding, ' ', label_width);
 357        }
 358
 359        one_name = two_name = it->string;
 360        switch (change_type) {
 361        case WT_STATUS_UPDATED:
 362                status = d->index_status;
 363                if (d->head_path)
 364                        one_name = d->head_path;
 365                break;
 366        case WT_STATUS_CHANGED:
 367                if (d->new_submodule_commits || d->dirty_submodule) {
 368                        strbuf_addstr(&extra, " (");
 369                        if (d->new_submodule_commits)
 370                                strbuf_addf(&extra, _("new commits, "));
 371                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 372                                strbuf_addf(&extra, _("modified content, "));
 373                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 374                                strbuf_addf(&extra, _("untracked content, "));
 375                        strbuf_setlen(&extra, extra.len - 2);
 376                        strbuf_addch(&extra, ')');
 377                }
 378                status = d->worktree_status;
 379                break;
 380        default:
 381                die("BUG: unhandled change_type %d in wt_status_print_change_data",
 382                    change_type);
 383        }
 384
 385        one = quote_path(one_name, s->prefix, &onebuf);
 386        two = quote_path(two_name, s->prefix, &twobuf);
 387
 388        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 389        what = wt_status_diff_status_string(status);
 390        if (!what)
 391                die(_("bug: unhandled diff status %c"), status);
 392        len = label_width - utf8_strwidth(what);
 393        assert(len >= 0);
 394        if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
 395                status_printf_more(s, c, "%s%.*s%s -> %s",
 396                                   what, len, padding, one, two);
 397        else
 398                status_printf_more(s, c, "%s%.*s%s",
 399                                   what, len, padding, one);
 400        if (extra.len) {
 401                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 402                strbuf_release(&extra);
 403        }
 404        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 405        strbuf_release(&onebuf);
 406        strbuf_release(&twobuf);
 407}
 408
 409static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 410                                         struct diff_options *options,
 411                                         void *data)
 412{
 413        struct wt_status *s = data;
 414        int i;
 415
 416        if (!q->nr)
 417                return;
 418        s->workdir_dirty = 1;
 419        for (i = 0; i < q->nr; i++) {
 420                struct diff_filepair *p;
 421                struct string_list_item *it;
 422                struct wt_status_change_data *d;
 423
 424                p = q->queue[i];
 425                it = string_list_insert(&s->change, p->one->path);
 426                d = it->util;
 427                if (!d) {
 428                        d = xcalloc(1, sizeof(*d));
 429                        it->util = d;
 430                }
 431                if (!d->worktree_status)
 432                        d->worktree_status = p->status;
 433                d->dirty_submodule = p->two->dirty_submodule;
 434                if (S_ISGITLINK(p->two->mode))
 435                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 436        }
 437}
 438
 439static int unmerged_mask(const char *path)
 440{
 441        int pos, mask;
 442        const struct cache_entry *ce;
 443
 444        pos = cache_name_pos(path, strlen(path));
 445        if (0 <= pos)
 446                return 0;
 447
 448        mask = 0;
 449        pos = -pos-1;
 450        while (pos < active_nr) {
 451                ce = active_cache[pos++];
 452                if (strcmp(ce->name, path) || !ce_stage(ce))
 453                        break;
 454                mask |= (1 << (ce_stage(ce) - 1));
 455        }
 456        return mask;
 457}
 458
 459static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 460                                         struct diff_options *options,
 461                                         void *data)
 462{
 463        struct wt_status *s = data;
 464        int i;
 465
 466        for (i = 0; i < q->nr; i++) {
 467                struct diff_filepair *p;
 468                struct string_list_item *it;
 469                struct wt_status_change_data *d;
 470
 471                p = q->queue[i];
 472                it = string_list_insert(&s->change, p->two->path);
 473                d = it->util;
 474                if (!d) {
 475                        d = xcalloc(1, sizeof(*d));
 476                        it->util = d;
 477                }
 478                if (!d->index_status)
 479                        d->index_status = p->status;
 480                switch (p->status) {
 481                case DIFF_STATUS_COPIED:
 482                case DIFF_STATUS_RENAMED:
 483                        d->head_path = xstrdup(p->one->path);
 484                        break;
 485                case DIFF_STATUS_UNMERGED:
 486                        d->stagemask = unmerged_mask(p->two->path);
 487                        break;
 488                }
 489        }
 490}
 491
 492static void wt_status_collect_changes_worktree(struct wt_status *s)
 493{
 494        struct rev_info rev;
 495
 496        init_revisions(&rev, NULL);
 497        setup_revisions(0, NULL, &rev, NULL);
 498        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 499        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 500        if (!s->show_untracked_files)
 501                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 502        if (s->ignore_submodule_arg) {
 503                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 504                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 505        }
 506        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 507        rev.diffopt.format_callback_data = s;
 508        copy_pathspec(&rev.prune_data, &s->pathspec);
 509        run_diff_files(&rev, 0);
 510}
 511
 512static void wt_status_collect_changes_index(struct wt_status *s)
 513{
 514        struct rev_info rev;
 515        struct setup_revision_opt opt;
 516
 517        init_revisions(&rev, NULL);
 518        memset(&opt, 0, sizeof(opt));
 519        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 520        setup_revisions(0, NULL, &rev, &opt);
 521
 522        if (s->ignore_submodule_arg) {
 523                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 524                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 525        }
 526
 527        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 528        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 529        rev.diffopt.format_callback_data = s;
 530        rev.diffopt.detect_rename = 1;
 531        rev.diffopt.rename_limit = 200;
 532        rev.diffopt.break_opt = 0;
 533        copy_pathspec(&rev.prune_data, &s->pathspec);
 534        run_diff_index(&rev, 1);
 535}
 536
 537static void wt_status_collect_changes_initial(struct wt_status *s)
 538{
 539        int i;
 540
 541        for (i = 0; i < active_nr; i++) {
 542                struct string_list_item *it;
 543                struct wt_status_change_data *d;
 544                const struct cache_entry *ce = active_cache[i];
 545
 546                if (!ce_path_match(ce, &s->pathspec, NULL))
 547                        continue;
 548                it = string_list_insert(&s->change, ce->name);
 549                d = it->util;
 550                if (!d) {
 551                        d = xcalloc(1, sizeof(*d));
 552                        it->util = d;
 553                }
 554                if (ce_stage(ce)) {
 555                        d->index_status = DIFF_STATUS_UNMERGED;
 556                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 557                }
 558                else
 559                        d->index_status = DIFF_STATUS_ADDED;
 560        }
 561}
 562
 563static void wt_status_collect_untracked(struct wt_status *s)
 564{
 565        int i;
 566        struct dir_struct dir;
 567        struct timeval t_begin;
 568
 569        if (!s->show_untracked_files)
 570                return;
 571
 572        if (advice_status_u_option)
 573                gettimeofday(&t_begin, NULL);
 574
 575        memset(&dir, 0, sizeof(dir));
 576        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 577                dir.flags |=
 578                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 579        if (s->show_ignored_files)
 580                dir.flags |= DIR_SHOW_IGNORED_TOO;
 581        setup_standard_excludes(&dir);
 582
 583        fill_directory(&dir, &s->pathspec);
 584
 585        for (i = 0; i < dir.nr; i++) {
 586                struct dir_entry *ent = dir.entries[i];
 587                if (cache_name_is_other(ent->name, ent->len) &&
 588                    dir_path_match(ent, &s->pathspec, 0, NULL))
 589                        string_list_insert(&s->untracked, ent->name);
 590                free(ent);
 591        }
 592
 593        for (i = 0; i < dir.ignored_nr; i++) {
 594                struct dir_entry *ent = dir.ignored[i];
 595                if (cache_name_is_other(ent->name, ent->len) &&
 596                    dir_path_match(ent, &s->pathspec, 0, NULL))
 597                        string_list_insert(&s->ignored, ent->name);
 598                free(ent);
 599        }
 600
 601        free(dir.entries);
 602        free(dir.ignored);
 603        clear_directory(&dir);
 604
 605        if (advice_status_u_option) {
 606                struct timeval t_end;
 607                gettimeofday(&t_end, NULL);
 608                s->untracked_in_ms =
 609                        (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 610                        ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 611        }
 612}
 613
 614void wt_status_collect(struct wt_status *s)
 615{
 616        wt_status_collect_changes_worktree(s);
 617
 618        if (s->is_initial)
 619                wt_status_collect_changes_initial(s);
 620        else
 621                wt_status_collect_changes_index(s);
 622        wt_status_collect_untracked(s);
 623}
 624
 625static void wt_status_print_unmerged(struct wt_status *s)
 626{
 627        int shown_header = 0;
 628        int i;
 629
 630        for (i = 0; i < s->change.nr; i++) {
 631                struct wt_status_change_data *d;
 632                struct string_list_item *it;
 633                it = &(s->change.items[i]);
 634                d = it->util;
 635                if (!d->stagemask)
 636                        continue;
 637                if (!shown_header) {
 638                        wt_status_print_unmerged_header(s);
 639                        shown_header = 1;
 640                }
 641                wt_status_print_unmerged_data(s, it);
 642        }
 643        if (shown_header)
 644                wt_status_print_trailer(s);
 645
 646}
 647
 648static void wt_status_print_updated(struct wt_status *s)
 649{
 650        int shown_header = 0;
 651        int i;
 652
 653        for (i = 0; i < s->change.nr; i++) {
 654                struct wt_status_change_data *d;
 655                struct string_list_item *it;
 656                it = &(s->change.items[i]);
 657                d = it->util;
 658                if (!d->index_status ||
 659                    d->index_status == DIFF_STATUS_UNMERGED)
 660                        continue;
 661                if (!shown_header) {
 662                        wt_status_print_cached_header(s);
 663                        s->commitable = 1;
 664                        shown_header = 1;
 665                }
 666                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 667        }
 668        if (shown_header)
 669                wt_status_print_trailer(s);
 670}
 671
 672/*
 673 * -1 : has delete
 674 *  0 : no change
 675 *  1 : some change but no delete
 676 */
 677static int wt_status_check_worktree_changes(struct wt_status *s,
 678                                             int *dirty_submodules)
 679{
 680        int i;
 681        int changes = 0;
 682
 683        *dirty_submodules = 0;
 684
 685        for (i = 0; i < s->change.nr; i++) {
 686                struct wt_status_change_data *d;
 687                d = s->change.items[i].util;
 688                if (!d->worktree_status ||
 689                    d->worktree_status == DIFF_STATUS_UNMERGED)
 690                        continue;
 691                if (!changes)
 692                        changes = 1;
 693                if (d->dirty_submodule)
 694                        *dirty_submodules = 1;
 695                if (d->worktree_status == DIFF_STATUS_DELETED)
 696                        changes = -1;
 697        }
 698        return changes;
 699}
 700
 701static void wt_status_print_changed(struct wt_status *s)
 702{
 703        int i, dirty_submodules;
 704        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 705
 706        if (!worktree_changes)
 707                return;
 708
 709        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 710
 711        for (i = 0; i < s->change.nr; i++) {
 712                struct wt_status_change_data *d;
 713                struct string_list_item *it;
 714                it = &(s->change.items[i]);
 715                d = it->util;
 716                if (!d->worktree_status ||
 717                    d->worktree_status == DIFF_STATUS_UNMERGED)
 718                        continue;
 719                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 720        }
 721        wt_status_print_trailer(s);
 722}
 723
 724static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 725{
 726        struct child_process sm_summary;
 727        char summary_limit[64];
 728        char index[PATH_MAX];
 729        const char *env[] = { NULL, NULL };
 730        struct argv_array argv = ARGV_ARRAY_INIT;
 731        struct strbuf cmd_stdout = STRBUF_INIT;
 732        struct strbuf summary = STRBUF_INIT;
 733        char *summary_content;
 734        size_t len;
 735
 736        sprintf(summary_limit, "%d", s->submodule_summary);
 737        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 738
 739        env[0] = index;
 740        argv_array_push(&argv, "submodule");
 741        argv_array_push(&argv, "summary");
 742        argv_array_push(&argv, uncommitted ? "--files" : "--cached");
 743        argv_array_push(&argv, "--for-status");
 744        argv_array_push(&argv, "--summary-limit");
 745        argv_array_push(&argv, summary_limit);
 746        if (!uncommitted)
 747                argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 748
 749        memset(&sm_summary, 0, sizeof(sm_summary));
 750        sm_summary.argv = argv.argv;
 751        sm_summary.env = env;
 752        sm_summary.git_cmd = 1;
 753        sm_summary.no_stdin = 1;
 754        fflush(s->fp);
 755        sm_summary.out = -1;
 756
 757        run_command(&sm_summary);
 758        argv_array_clear(&argv);
 759
 760        len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 761
 762        /* prepend header, only if there's an actual output */
 763        if (len) {
 764                if (uncommitted)
 765                        strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 766                else
 767                        strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 768                strbuf_addstr(&summary, "\n\n");
 769        }
 770        strbuf_addbuf(&summary, &cmd_stdout);
 771        strbuf_release(&cmd_stdout);
 772
 773        if (s->display_comment_prefix) {
 774                summary_content = strbuf_detach(&summary, &len);
 775                strbuf_add_commented_lines(&summary, summary_content, len);
 776                free(summary_content);
 777        }
 778
 779        fputs(summary.buf, s->fp);
 780        strbuf_release(&summary);
 781}
 782
 783static void wt_status_print_other(struct wt_status *s,
 784                                  struct string_list *l,
 785                                  const char *what,
 786                                  const char *how)
 787{
 788        int i;
 789        struct strbuf buf = STRBUF_INIT;
 790        static struct string_list output = STRING_LIST_INIT_DUP;
 791        struct column_options copts;
 792
 793        if (!l->nr)
 794                return;
 795
 796        wt_status_print_other_header(s, what, how);
 797
 798        for (i = 0; i < l->nr; i++) {
 799                struct string_list_item *it;
 800                const char *path;
 801                it = &(l->items[i]);
 802                path = quote_path(it->string, s->prefix, &buf);
 803                if (column_active(s->colopts)) {
 804                        string_list_append(&output, path);
 805                        continue;
 806                }
 807                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 808                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 809                                   "%s\n", path);
 810        }
 811
 812        strbuf_release(&buf);
 813        if (!column_active(s->colopts))
 814                goto conclude;
 815
 816        strbuf_addf(&buf, "%s%s\t%s",
 817                    color(WT_STATUS_HEADER, s),
 818                    s->display_comment_prefix ? "#" : "",
 819                    color(WT_STATUS_UNTRACKED, s));
 820        memset(&copts, 0, sizeof(copts));
 821        copts.padding = 1;
 822        copts.indent = buf.buf;
 823        if (want_color(s->use_color))
 824                copts.nl = GIT_COLOR_RESET "\n";
 825        print_columns(&output, s->colopts, &copts);
 826        string_list_clear(&output, 0);
 827        strbuf_release(&buf);
 828conclude:
 829        status_printf_ln(s, GIT_COLOR_NORMAL, "");
 830}
 831
 832void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
 833{
 834        const char *p;
 835        struct strbuf pattern = STRBUF_INIT;
 836
 837        strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
 838        p = strstr(buf->buf, pattern.buf);
 839        if (p && (p == buf->buf || p[-1] == '\n'))
 840                strbuf_setlen(buf, p - buf->buf);
 841        strbuf_release(&pattern);
 842}
 843
 844static void wt_status_print_verbose(struct wt_status *s)
 845{
 846        struct rev_info rev;
 847        struct setup_revision_opt opt;
 848
 849        init_revisions(&rev, NULL);
 850        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 851
 852        memset(&opt, 0, sizeof(opt));
 853        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 854        setup_revisions(0, NULL, &rev, &opt);
 855
 856        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 857        rev.diffopt.detect_rename = 1;
 858        rev.diffopt.file = s->fp;
 859        rev.diffopt.close_file = 0;
 860        /*
 861         * If we're not going to stdout, then we definitely don't
 862         * want color, since we are going to the commit message
 863         * file (and even the "auto" setting won't work, since it
 864         * will have checked isatty on stdout). But we then do want
 865         * to insert the scissor line here to reliably remove the
 866         * diff before committing.
 867         */
 868        if (s->fp != stdout) {
 869                const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
 870                struct strbuf buf = STRBUF_INIT;
 871
 872                rev.diffopt.use_color = 0;
 873                fprintf(s->fp, "%c %s", comment_line_char, cut_line);
 874                strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
 875                fputs(buf.buf, s->fp);
 876                strbuf_release(&buf);
 877        }
 878        run_diff_index(&rev, 1);
 879}
 880
 881static void wt_status_print_tracking(struct wt_status *s)
 882{
 883        struct strbuf sb = STRBUF_INIT;
 884        const char *cp, *ep;
 885        struct branch *branch;
 886        char comment_line_string[3];
 887        int i;
 888
 889        assert(s->branch && !s->is_initial);
 890        if (!starts_with(s->branch, "refs/heads/"))
 891                return;
 892        branch = branch_get(s->branch + 11);
 893        if (!format_tracking_info(branch, &sb))
 894                return;
 895
 896        i = 0;
 897        if (s->display_comment_prefix) {
 898                comment_line_string[i++] = comment_line_char;
 899                comment_line_string[i++] = ' ';
 900        }
 901        comment_line_string[i] = '\0';
 902
 903        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 904                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 905                                 "%s%.*s", comment_line_string,
 906                                 (int)(ep - cp), cp);
 907        if (s->display_comment_prefix)
 908                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 909                                 comment_line_char);
 910        else
 911                fprintf_ln(s->fp, "");
 912}
 913
 914static int has_unmerged(struct wt_status *s)
 915{
 916        int i;
 917
 918        for (i = 0; i < s->change.nr; i++) {
 919                struct wt_status_change_data *d;
 920                d = s->change.items[i].util;
 921                if (d->stagemask)
 922                        return 1;
 923        }
 924        return 0;
 925}
 926
 927static void show_merge_in_progress(struct wt_status *s,
 928                                struct wt_status_state *state,
 929                                const char *color)
 930{
 931        if (has_unmerged(s)) {
 932                status_printf_ln(s, color, _("You have unmerged paths."));
 933                if (s->hints)
 934                        status_printf_ln(s, color,
 935                                _("  (fix conflicts and run \"git commit\")"));
 936        } else {
 937                status_printf_ln(s, color,
 938                        _("All conflicts fixed but you are still merging."));
 939                if (s->hints)
 940                        status_printf_ln(s, color,
 941                                _("  (use \"git commit\" to conclude merge)"));
 942        }
 943        wt_status_print_trailer(s);
 944}
 945
 946static void show_am_in_progress(struct wt_status *s,
 947                                struct wt_status_state *state,
 948                                const char *color)
 949{
 950        status_printf_ln(s, color,
 951                _("You are in the middle of an am session."));
 952        if (state->am_empty_patch)
 953                status_printf_ln(s, color,
 954                        _("The current patch is empty."));
 955        if (s->hints) {
 956                if (!state->am_empty_patch)
 957                        status_printf_ln(s, color,
 958                                _("  (fix conflicts and then run \"git am --continue\")"));
 959                status_printf_ln(s, color,
 960                        _("  (use \"git am --skip\" to skip this patch)"));
 961                status_printf_ln(s, color,
 962                        _("  (use \"git am --abort\" to restore the original branch)"));
 963        }
 964        wt_status_print_trailer(s);
 965}
 966
 967static char *read_line_from_git_path(const char *filename)
 968{
 969        struct strbuf buf = STRBUF_INIT;
 970        FILE *fp = fopen(git_path("%s", filename), "r");
 971        if (!fp) {
 972                strbuf_release(&buf);
 973                return NULL;
 974        }
 975        strbuf_getline(&buf, fp, '\n');
 976        if (!fclose(fp)) {
 977                return strbuf_detach(&buf, NULL);
 978        } else {
 979                strbuf_release(&buf);
 980                return NULL;
 981        }
 982}
 983
 984static int split_commit_in_progress(struct wt_status *s)
 985{
 986        int split_in_progress = 0;
 987        char *head = read_line_from_git_path("HEAD");
 988        char *orig_head = read_line_from_git_path("ORIG_HEAD");
 989        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 990        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 991
 992        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 993            !s->branch || strcmp(s->branch, "HEAD"))
 994                return split_in_progress;
 995
 996        if (!strcmp(rebase_amend, rebase_orig_head)) {
 997                if (strcmp(head, rebase_amend))
 998                        split_in_progress = 1;
 999        } else if (strcmp(orig_head, rebase_orig_head)) {
1000                split_in_progress = 1;
1001        }
1002
1003        if (!s->amend && !s->nowarn && !s->workdir_dirty)
1004                split_in_progress = 0;
1005
1006        free(head);
1007        free(orig_head);
1008        free(rebase_amend);
1009        free(rebase_orig_head);
1010        return split_in_progress;
1011}
1012
1013static void show_rebase_in_progress(struct wt_status *s,
1014                                struct wt_status_state *state,
1015                                const char *color)
1016{
1017        struct stat st;
1018
1019        if (has_unmerged(s)) {
1020                if (state->branch)
1021                        status_printf_ln(s, color,
1022                                         _("You are currently rebasing branch '%s' on '%s'."),
1023                                         state->branch,
1024                                         state->onto);
1025                else
1026                        status_printf_ln(s, color,
1027                                         _("You are currently rebasing."));
1028                if (s->hints) {
1029                        status_printf_ln(s, color,
1030                                _("  (fix conflicts and then run \"git rebase --continue\")"));
1031                        status_printf_ln(s, color,
1032                                _("  (use \"git rebase --skip\" to skip this patch)"));
1033                        status_printf_ln(s, color,
1034                                _("  (use \"git rebase --abort\" to check out the original branch)"));
1035                }
1036        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
1037                if (state->branch)
1038                        status_printf_ln(s, color,
1039                                         _("You are currently rebasing branch '%s' on '%s'."),
1040                                         state->branch,
1041                                         state->onto);
1042                else
1043                        status_printf_ln(s, color,
1044                                         _("You are currently rebasing."));
1045                if (s->hints)
1046                        status_printf_ln(s, color,
1047                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
1048        } else if (split_commit_in_progress(s)) {
1049                if (state->branch)
1050                        status_printf_ln(s, color,
1051                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1052                                         state->branch,
1053                                         state->onto);
1054                else
1055                        status_printf_ln(s, color,
1056                                         _("You are currently splitting a commit during a rebase."));
1057                if (s->hints)
1058                        status_printf_ln(s, color,
1059                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
1060        } else {
1061                if (state->branch)
1062                        status_printf_ln(s, color,
1063                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1064                                         state->branch,
1065                                         state->onto);
1066                else
1067                        status_printf_ln(s, color,
1068                                         _("You are currently editing a commit during a rebase."));
1069                if (s->hints && !s->amend) {
1070                        status_printf_ln(s, color,
1071                                _("  (use \"git commit --amend\" to amend the current commit)"));
1072                        status_printf_ln(s, color,
1073                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
1074                }
1075        }
1076        wt_status_print_trailer(s);
1077}
1078
1079static void show_cherry_pick_in_progress(struct wt_status *s,
1080                                        struct wt_status_state *state,
1081                                        const char *color)
1082{
1083        status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1084                        find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1085        if (s->hints) {
1086                if (has_unmerged(s))
1087                        status_printf_ln(s, color,
1088                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1089                else
1090                        status_printf_ln(s, color,
1091                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1092                status_printf_ln(s, color,
1093                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1094        }
1095        wt_status_print_trailer(s);
1096}
1097
1098static void show_revert_in_progress(struct wt_status *s,
1099                                        struct wt_status_state *state,
1100                                        const char *color)
1101{
1102        status_printf_ln(s, color, _("You are currently reverting commit %s."),
1103                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1104        if (s->hints) {
1105                if (has_unmerged(s))
1106                        status_printf_ln(s, color,
1107                                _("  (fix conflicts and run \"git revert --continue\")"));
1108                else
1109                        status_printf_ln(s, color,
1110                                _("  (all conflicts fixed: run \"git revert --continue\")"));
1111                status_printf_ln(s, color,
1112                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
1113        }
1114        wt_status_print_trailer(s);
1115}
1116
1117static void show_bisect_in_progress(struct wt_status *s,
1118                                struct wt_status_state *state,
1119                                const char *color)
1120{
1121        if (state->branch)
1122                status_printf_ln(s, color,
1123                                 _("You are currently bisecting, started from branch '%s'."),
1124                                 state->branch);
1125        else
1126                status_printf_ln(s, color,
1127                                 _("You are currently bisecting."));
1128        if (s->hints)
1129                status_printf_ln(s, color,
1130                        _("  (use \"git bisect reset\" to get back to the original branch)"));
1131        wt_status_print_trailer(s);
1132}
1133
1134/*
1135 * Extract branch information from rebase/bisect
1136 */
1137static char *read_and_strip_branch(const char *path)
1138{
1139        struct strbuf sb = STRBUF_INIT;
1140        unsigned char sha1[20];
1141
1142        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1143                goto got_nothing;
1144
1145        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1146                strbuf_setlen(&sb, sb.len - 1);
1147        if (!sb.len)
1148                goto got_nothing;
1149        if (starts_with(sb.buf, "refs/heads/"))
1150                strbuf_remove(&sb,0, strlen("refs/heads/"));
1151        else if (starts_with(sb.buf, "refs/"))
1152                ;
1153        else if (!get_sha1_hex(sb.buf, sha1)) {
1154                const char *abbrev;
1155                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1156                strbuf_reset(&sb);
1157                strbuf_addstr(&sb, abbrev);
1158        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1159                goto got_nothing;
1160        else                    /* bisect */
1161                ;
1162        return strbuf_detach(&sb, NULL);
1163
1164got_nothing:
1165        strbuf_release(&sb);
1166        return NULL;
1167}
1168
1169struct grab_1st_switch_cbdata {
1170        struct strbuf buf;
1171        unsigned char nsha1[20];
1172};
1173
1174static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1175                           const char *email, unsigned long timestamp, int tz,
1176                           const char *message, void *cb_data)
1177{
1178        struct grab_1st_switch_cbdata *cb = cb_data;
1179        const char *target = NULL, *end;
1180
1181        if (!starts_with(message, "checkout: moving from "))
1182                return 0;
1183        message += strlen("checkout: moving from ");
1184        target = strstr(message, " to ");
1185        if (!target)
1186                return 0;
1187        target += strlen(" to ");
1188        strbuf_reset(&cb->buf);
1189        hashcpy(cb->nsha1, nsha1);
1190        for (end = target; *end && *end != '\n'; end++)
1191                ;
1192        strbuf_add(&cb->buf, target, end - target);
1193        return 1;
1194}
1195
1196static void wt_status_get_detached_from(struct wt_status_state *state)
1197{
1198        struct grab_1st_switch_cbdata cb;
1199        struct commit *commit;
1200        unsigned char sha1[20];
1201        char *ref = NULL;
1202
1203        strbuf_init(&cb.buf, 0);
1204        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1205                strbuf_release(&cb.buf);
1206                return;
1207        }
1208
1209        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1210            /* sha1 is a commit? match without further lookup */
1211            (!hashcmp(cb.nsha1, sha1) ||
1212             /* perhaps sha1 is a tag, try to dereference to a commit */
1213             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1214              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1215                int ofs;
1216                if (starts_with(ref, "refs/tags/"))
1217                        ofs = strlen("refs/tags/");
1218                else if (starts_with(ref, "refs/remotes/"))
1219                        ofs = strlen("refs/remotes/");
1220                else
1221                        ofs = 0;
1222                state->detached_from = xstrdup(ref + ofs);
1223        } else
1224                state->detached_from =
1225                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1226        hashcpy(state->detached_sha1, cb.nsha1);
1227
1228        free(ref);
1229        strbuf_release(&cb.buf);
1230}
1231
1232void wt_status_get_state(struct wt_status_state *state,
1233                         int get_detached_from)
1234{
1235        struct stat st;
1236        unsigned char sha1[20];
1237
1238        if (!stat(git_path("MERGE_HEAD"), &st)) {
1239                state->merge_in_progress = 1;
1240        } else if (!stat(git_path("rebase-apply"), &st)) {
1241                if (!stat(git_path("rebase-apply/applying"), &st)) {
1242                        state->am_in_progress = 1;
1243                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1244                                state->am_empty_patch = 1;
1245                } else {
1246                        state->rebase_in_progress = 1;
1247                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1248                        state->onto = read_and_strip_branch("rebase-apply/onto");
1249                }
1250        } else if (!stat(git_path("rebase-merge"), &st)) {
1251                if (!stat(git_path("rebase-merge/interactive"), &st))
1252                        state->rebase_interactive_in_progress = 1;
1253                else
1254                        state->rebase_in_progress = 1;
1255                state->branch = read_and_strip_branch("rebase-merge/head-name");
1256                state->onto = read_and_strip_branch("rebase-merge/onto");
1257        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1258                        !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1259                state->cherry_pick_in_progress = 1;
1260                hashcpy(state->cherry_pick_head_sha1, sha1);
1261        }
1262        if (!stat(git_path("BISECT_LOG"), &st)) {
1263                state->bisect_in_progress = 1;
1264                state->branch = read_and_strip_branch("BISECT_START");
1265        }
1266        if (!stat(git_path("REVERT_HEAD"), &st) &&
1267            !get_sha1("REVERT_HEAD", sha1)) {
1268                state->revert_in_progress = 1;
1269                hashcpy(state->revert_head_sha1, sha1);
1270        }
1271
1272        if (get_detached_from)
1273                wt_status_get_detached_from(state);
1274}
1275
1276static void wt_status_print_state(struct wt_status *s,
1277                                  struct wt_status_state *state)
1278{
1279        const char *state_color = color(WT_STATUS_HEADER, s);
1280        if (state->merge_in_progress)
1281                show_merge_in_progress(s, state, state_color);
1282        else if (state->am_in_progress)
1283                show_am_in_progress(s, state, state_color);
1284        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1285                show_rebase_in_progress(s, state, state_color);
1286        else if (state->cherry_pick_in_progress)
1287                show_cherry_pick_in_progress(s, state, state_color);
1288        else if (state->revert_in_progress)
1289                show_revert_in_progress(s, state, state_color);
1290        if (state->bisect_in_progress)
1291                show_bisect_in_progress(s, state, state_color);
1292}
1293
1294void wt_status_print(struct wt_status *s)
1295{
1296        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1297        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1298        struct wt_status_state state;
1299
1300        memset(&state, 0, sizeof(state));
1301        wt_status_get_state(&state,
1302                            s->branch && !strcmp(s->branch, "HEAD"));
1303
1304        if (s->branch) {
1305                const char *on_what = _("On branch ");
1306                const char *branch_name = s->branch;
1307                if (starts_with(branch_name, "refs/heads/"))
1308                        branch_name += 11;
1309                else if (!strcmp(branch_name, "HEAD")) {
1310                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1311                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1312                                on_what = _("rebase in progress; onto ");
1313                                branch_name = state.onto;
1314                        } else if (state.detached_from) {
1315                                unsigned char sha1[20];
1316                                branch_name = state.detached_from;
1317                                if (!get_sha1("HEAD", sha1) &&
1318                                    !hashcmp(sha1, state.detached_sha1))
1319                                        on_what = _("HEAD detached at ");
1320                                else
1321                                        on_what = _("HEAD detached from ");
1322                        } else {
1323                                branch_name = "";
1324                                on_what = _("Not currently on any branch.");
1325                        }
1326                }
1327                status_printf(s, color(WT_STATUS_HEADER, s), "");
1328                status_printf_more(s, branch_status_color, "%s", on_what);
1329                status_printf_more(s, branch_color, "%s\n", branch_name);
1330                if (!s->is_initial)
1331                        wt_status_print_tracking(s);
1332        }
1333
1334        wt_status_print_state(s, &state);
1335        free(state.branch);
1336        free(state.onto);
1337        free(state.detached_from);
1338
1339        if (s->is_initial) {
1340                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1341                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1342                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1343        }
1344
1345        wt_status_print_updated(s);
1346        wt_status_print_unmerged(s);
1347        wt_status_print_changed(s);
1348        if (s->submodule_summary &&
1349            (!s->ignore_submodule_arg ||
1350             strcmp(s->ignore_submodule_arg, "all"))) {
1351                wt_status_print_submodule_summary(s, 0);  /* staged */
1352                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1353        }
1354        if (s->show_untracked_files) {
1355                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1356                if (s->show_ignored_files)
1357                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1358                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1359                        status_printf_ln(s, GIT_COLOR_NORMAL, "");
1360                        status_printf_ln(s, GIT_COLOR_NORMAL,
1361                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1362                                           "may speed it up, but you have to be careful not to forget to add\n"
1363                                           "new files yourself (see 'git help status')."),
1364                                         s->untracked_in_ms / 1000.0);
1365                }
1366        } else if (s->commitable)
1367                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1368                        s->hints
1369                        ? _(" (use -u option to show untracked files)") : "");
1370
1371        if (s->verbose)
1372                wt_status_print_verbose(s);
1373        if (!s->commitable) {
1374                if (s->amend)
1375                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1376                else if (s->nowarn)
1377                        ; /* nothing */
1378                else if (s->workdir_dirty) {
1379                        if (s->hints)
1380                                printf(_("no changes added to commit "
1381                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1382                        else
1383                                printf(_("no changes added to commit\n"));
1384                } else if (s->untracked.nr) {
1385                        if (s->hints)
1386                                printf(_("nothing added to commit but untracked files "
1387                                         "present (use \"git add\" to track)\n"));
1388                        else
1389                                printf(_("nothing added to commit but untracked files present\n"));
1390                } else if (s->is_initial) {
1391                        if (s->hints)
1392                                printf(_("nothing to commit (create/copy files "
1393                                         "and use \"git add\" to track)\n"));
1394                        else
1395                                printf(_("nothing to commit\n"));
1396                } else if (!s->show_untracked_files) {
1397                        if (s->hints)
1398                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1399                        else
1400                                printf(_("nothing to commit\n"));
1401                } else
1402                        printf(_("nothing to commit, working directory clean\n"));
1403        }
1404}
1405
1406static void wt_shortstatus_unmerged(struct string_list_item *it,
1407                           struct wt_status *s)
1408{
1409        struct wt_status_change_data *d = it->util;
1410        const char *how = "??";
1411
1412        switch (d->stagemask) {
1413        case 1: how = "DD"; break; /* both deleted */
1414        case 2: how = "AU"; break; /* added by us */
1415        case 3: how = "UD"; break; /* deleted by them */
1416        case 4: how = "UA"; break; /* added by them */
1417        case 5: how = "DU"; break; /* deleted by us */
1418        case 6: how = "AA"; break; /* both added */
1419        case 7: how = "UU"; break; /* both modified */
1420        }
1421        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1422        if (s->null_termination) {
1423                fprintf(stdout, " %s%c", it->string, 0);
1424        } else {
1425                struct strbuf onebuf = STRBUF_INIT;
1426                const char *one;
1427                one = quote_path(it->string, s->prefix, &onebuf);
1428                printf(" %s\n", one);
1429                strbuf_release(&onebuf);
1430        }
1431}
1432
1433static void wt_shortstatus_status(struct string_list_item *it,
1434                         struct wt_status *s)
1435{
1436        struct wt_status_change_data *d = it->util;
1437
1438        if (d->index_status)
1439                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1440        else
1441                putchar(' ');
1442        if (d->worktree_status)
1443                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1444        else
1445                putchar(' ');
1446        putchar(' ');
1447        if (s->null_termination) {
1448                fprintf(stdout, "%s%c", it->string, 0);
1449                if (d->head_path)
1450                        fprintf(stdout, "%s%c", d->head_path, 0);
1451        } else {
1452                struct strbuf onebuf = STRBUF_INIT;
1453                const char *one;
1454                if (d->head_path) {
1455                        one = quote_path(d->head_path, s->prefix, &onebuf);
1456                        if (*one != '"' && strchr(one, ' ') != NULL) {
1457                                putchar('"');
1458                                strbuf_addch(&onebuf, '"');
1459                                one = onebuf.buf;
1460                        }
1461                        printf("%s -> ", one);
1462                        strbuf_release(&onebuf);
1463                }
1464                one = quote_path(it->string, s->prefix, &onebuf);
1465                if (*one != '"' && strchr(one, ' ') != NULL) {
1466                        putchar('"');
1467                        strbuf_addch(&onebuf, '"');
1468                        one = onebuf.buf;
1469                }
1470                printf("%s\n", one);
1471                strbuf_release(&onebuf);
1472        }
1473}
1474
1475static void wt_shortstatus_other(struct string_list_item *it,
1476                                 struct wt_status *s, const char *sign)
1477{
1478        if (s->null_termination) {
1479                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1480        } else {
1481                struct strbuf onebuf = STRBUF_INIT;
1482                const char *one;
1483                one = quote_path(it->string, s->prefix, &onebuf);
1484                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1485                printf(" %s\n", one);
1486                strbuf_release(&onebuf);
1487        }
1488}
1489
1490static void wt_shortstatus_print_tracking(struct wt_status *s)
1491{
1492        struct branch *branch;
1493        const char *header_color = color(WT_STATUS_HEADER, s);
1494        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1495        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1496
1497        const char *base;
1498        const char *branch_name;
1499        int num_ours, num_theirs;
1500        int upstream_is_gone = 0;
1501
1502        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1503
1504        if (!s->branch)
1505                return;
1506        branch_name = s->branch;
1507
1508        if (starts_with(branch_name, "refs/heads/"))
1509                branch_name += 11;
1510        else if (!strcmp(branch_name, "HEAD")) {
1511                branch_name = _("HEAD (no branch)");
1512                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1513        }
1514
1515        branch = branch_get(s->branch + 11);
1516        if (s->is_initial)
1517                color_fprintf(s->fp, header_color, _("Initial commit on "));
1518
1519        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1520
1521        switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1522        case 0:
1523                /* no base */
1524                fputc(s->null_termination ? '\0' : '\n', s->fp);
1525                return;
1526        case -1:
1527                /* with "gone" base */
1528                upstream_is_gone = 1;
1529                break;
1530        default:
1531                /* with base */
1532                break;
1533        }
1534
1535        base = branch->merge[0]->dst;
1536        base = shorten_unambiguous_ref(base, 0);
1537        color_fprintf(s->fp, header_color, "...");
1538        color_fprintf(s->fp, branch_color_remote, "%s", base);
1539
1540        if (!upstream_is_gone && !num_ours && !num_theirs) {
1541                fputc(s->null_termination ? '\0' : '\n', s->fp);
1542                return;
1543        }
1544
1545#define LABEL(string) (s->no_gettext ? (string) : _(string))
1546
1547        color_fprintf(s->fp, header_color, " [");
1548        if (upstream_is_gone) {
1549                color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1550        } else if (!num_ours) {
1551                color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1552                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1553        } else if (!num_theirs) {
1554                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1555                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1556        } else {
1557                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1558                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1559                color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1560                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1561        }
1562
1563        color_fprintf(s->fp, header_color, "]");
1564        fputc(s->null_termination ? '\0' : '\n', s->fp);
1565}
1566
1567void wt_shortstatus_print(struct wt_status *s)
1568{
1569        int i;
1570
1571        if (s->show_branch)
1572                wt_shortstatus_print_tracking(s);
1573
1574        for (i = 0; i < s->change.nr; i++) {
1575                struct wt_status_change_data *d;
1576                struct string_list_item *it;
1577
1578                it = &(s->change.items[i]);
1579                d = it->util;
1580                if (d->stagemask)
1581                        wt_shortstatus_unmerged(it, s);
1582                else
1583                        wt_shortstatus_status(it, s);
1584        }
1585        for (i = 0; i < s->untracked.nr; i++) {
1586                struct string_list_item *it;
1587
1588                it = &(s->untracked.items[i]);
1589                wt_shortstatus_other(it, s, "??");
1590        }
1591        for (i = 0; i < s->ignored.nr; i++) {
1592                struct string_list_item *it;
1593
1594                it = &(s->ignored.items[i]);
1595                wt_shortstatus_other(it, s, "!!");
1596        }
1597}
1598
1599void wt_porcelain_print(struct wt_status *s)
1600{
1601        s->use_color = 0;
1602        s->relative_paths = 0;
1603        s->prefix = NULL;
1604        s->no_gettext = 1;
1605        wt_shortstatus_print(s);
1606}