wt-status.con commit status: document the -v/--verbose option (9c589d9)
   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 const 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", 0, sha1, 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, "%s", "");
 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, "%s", "");
 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, "%s", "");
 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, "%s", "");
 239}
 240
 241static void wt_status_print_trailer(struct wt_status *s)
 242{
 243        status_printf_ln(s, color(WT_STATUS_HEADER, s), "%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        DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 523        if (s->ignore_submodule_arg) {
 524                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 525        } else {
 526                /*
 527                 * Unless the user did explicitly request a submodule ignore
 528                 * mode by passing a command line option we do not ignore any
 529                 * changed submodule SHA-1s when comparing index and HEAD, no
 530                 * matter what is configured. Otherwise the user won't be
 531                 * shown any submodules she manually added (and which are
 532                 * staged to be committed), which would be really confusing.
 533                 */
 534                handle_ignore_submodules_arg(&rev.diffopt, "dirty");
 535        }
 536
 537        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 538        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 539        rev.diffopt.format_callback_data = s;
 540        rev.diffopt.detect_rename = 1;
 541        rev.diffopt.rename_limit = 200;
 542        rev.diffopt.break_opt = 0;
 543        copy_pathspec(&rev.prune_data, &s->pathspec);
 544        run_diff_index(&rev, 1);
 545}
 546
 547static void wt_status_collect_changes_initial(struct wt_status *s)
 548{
 549        int i;
 550
 551        for (i = 0; i < active_nr; i++) {
 552                struct string_list_item *it;
 553                struct wt_status_change_data *d;
 554                const struct cache_entry *ce = active_cache[i];
 555
 556                if (!ce_path_match(ce, &s->pathspec, NULL))
 557                        continue;
 558                it = string_list_insert(&s->change, ce->name);
 559                d = it->util;
 560                if (!d) {
 561                        d = xcalloc(1, sizeof(*d));
 562                        it->util = d;
 563                }
 564                if (ce_stage(ce)) {
 565                        d->index_status = DIFF_STATUS_UNMERGED;
 566                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 567                }
 568                else
 569                        d->index_status = DIFF_STATUS_ADDED;
 570        }
 571}
 572
 573static void wt_status_collect_untracked(struct wt_status *s)
 574{
 575        int i;
 576        struct dir_struct dir;
 577        uint64_t t_begin = getnanotime();
 578
 579        if (!s->show_untracked_files)
 580                return;
 581
 582        memset(&dir, 0, sizeof(dir));
 583        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 584                dir.flags |=
 585                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 586        if (s->show_ignored_files)
 587                dir.flags |= DIR_SHOW_IGNORED_TOO;
 588        setup_standard_excludes(&dir);
 589
 590        fill_directory(&dir, &s->pathspec);
 591
 592        for (i = 0; i < dir.nr; i++) {
 593                struct dir_entry *ent = dir.entries[i];
 594                if (cache_name_is_other(ent->name, ent->len) &&
 595                    dir_path_match(ent, &s->pathspec, 0, NULL))
 596                        string_list_insert(&s->untracked, ent->name);
 597                free(ent);
 598        }
 599
 600        for (i = 0; i < dir.ignored_nr; i++) {
 601                struct dir_entry *ent = dir.ignored[i];
 602                if (cache_name_is_other(ent->name, ent->len) &&
 603                    dir_path_match(ent, &s->pathspec, 0, NULL))
 604                        string_list_insert(&s->ignored, ent->name);
 605                free(ent);
 606        }
 607
 608        free(dir.entries);
 609        free(dir.ignored);
 610        clear_directory(&dir);
 611
 612        if (advice_status_u_option)
 613                s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
 614}
 615
 616void wt_status_collect(struct wt_status *s)
 617{
 618        wt_status_collect_changes_worktree(s);
 619
 620        if (s->is_initial)
 621                wt_status_collect_changes_initial(s);
 622        else
 623                wt_status_collect_changes_index(s);
 624        wt_status_collect_untracked(s);
 625}
 626
 627static void wt_status_print_unmerged(struct wt_status *s)
 628{
 629        int shown_header = 0;
 630        int i;
 631
 632        for (i = 0; i < s->change.nr; i++) {
 633                struct wt_status_change_data *d;
 634                struct string_list_item *it;
 635                it = &(s->change.items[i]);
 636                d = it->util;
 637                if (!d->stagemask)
 638                        continue;
 639                if (!shown_header) {
 640                        wt_status_print_unmerged_header(s);
 641                        shown_header = 1;
 642                }
 643                wt_status_print_unmerged_data(s, it);
 644        }
 645        if (shown_header)
 646                wt_status_print_trailer(s);
 647
 648}
 649
 650static void wt_status_print_updated(struct wt_status *s)
 651{
 652        int shown_header = 0;
 653        int i;
 654
 655        for (i = 0; i < s->change.nr; i++) {
 656                struct wt_status_change_data *d;
 657                struct string_list_item *it;
 658                it = &(s->change.items[i]);
 659                d = it->util;
 660                if (!d->index_status ||
 661                    d->index_status == DIFF_STATUS_UNMERGED)
 662                        continue;
 663                if (!shown_header) {
 664                        wt_status_print_cached_header(s);
 665                        s->commitable = 1;
 666                        shown_header = 1;
 667                }
 668                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 669        }
 670        if (shown_header)
 671                wt_status_print_trailer(s);
 672}
 673
 674/*
 675 * -1 : has delete
 676 *  0 : no change
 677 *  1 : some change but no delete
 678 */
 679static int wt_status_check_worktree_changes(struct wt_status *s,
 680                                             int *dirty_submodules)
 681{
 682        int i;
 683        int changes = 0;
 684
 685        *dirty_submodules = 0;
 686
 687        for (i = 0; i < s->change.nr; i++) {
 688                struct wt_status_change_data *d;
 689                d = s->change.items[i].util;
 690                if (!d->worktree_status ||
 691                    d->worktree_status == DIFF_STATUS_UNMERGED)
 692                        continue;
 693                if (!changes)
 694                        changes = 1;
 695                if (d->dirty_submodule)
 696                        *dirty_submodules = 1;
 697                if (d->worktree_status == DIFF_STATUS_DELETED)
 698                        changes = -1;
 699        }
 700        return changes;
 701}
 702
 703static void wt_status_print_changed(struct wt_status *s)
 704{
 705        int i, dirty_submodules;
 706        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 707
 708        if (!worktree_changes)
 709                return;
 710
 711        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 712
 713        for (i = 0; i < s->change.nr; i++) {
 714                struct wt_status_change_data *d;
 715                struct string_list_item *it;
 716                it = &(s->change.items[i]);
 717                d = it->util;
 718                if (!d->worktree_status ||
 719                    d->worktree_status == DIFF_STATUS_UNMERGED)
 720                        continue;
 721                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 722        }
 723        wt_status_print_trailer(s);
 724}
 725
 726static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 727{
 728        struct child_process sm_summary = CHILD_PROCESS_INIT;
 729        struct strbuf cmd_stdout = STRBUF_INIT;
 730        struct strbuf summary = STRBUF_INIT;
 731        char *summary_content;
 732        size_t len;
 733
 734        argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
 735                         s->index_file);
 736
 737        argv_array_push(&sm_summary.args, "submodule");
 738        argv_array_push(&sm_summary.args, "summary");
 739        argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
 740        argv_array_push(&sm_summary.args, "--for-status");
 741        argv_array_push(&sm_summary.args, "--summary-limit");
 742        argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
 743        if (!uncommitted)
 744                argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
 745
 746        sm_summary.git_cmd = 1;
 747        sm_summary.no_stdin = 1;
 748        fflush(s->fp);
 749        sm_summary.out = -1;
 750
 751        run_command(&sm_summary);
 752
 753        len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);
 754
 755        /* prepend header, only if there's an actual output */
 756        if (len) {
 757                if (uncommitted)
 758                        strbuf_addstr(&summary, _("Submodules changed but not updated:"));
 759                else
 760                        strbuf_addstr(&summary, _("Submodule changes to be committed:"));
 761                strbuf_addstr(&summary, "\n\n");
 762        }
 763        strbuf_addbuf(&summary, &cmd_stdout);
 764        strbuf_release(&cmd_stdout);
 765
 766        if (s->display_comment_prefix) {
 767                summary_content = strbuf_detach(&summary, &len);
 768                strbuf_add_commented_lines(&summary, summary_content, len);
 769                free(summary_content);
 770        }
 771
 772        fputs(summary.buf, s->fp);
 773        strbuf_release(&summary);
 774}
 775
 776static void wt_status_print_other(struct wt_status *s,
 777                                  struct string_list *l,
 778                                  const char *what,
 779                                  const char *how)
 780{
 781        int i;
 782        struct strbuf buf = STRBUF_INIT;
 783        static struct string_list output = STRING_LIST_INIT_DUP;
 784        struct column_options copts;
 785
 786        if (!l->nr)
 787                return;
 788
 789        wt_status_print_other_header(s, what, how);
 790
 791        for (i = 0; i < l->nr; i++) {
 792                struct string_list_item *it;
 793                const char *path;
 794                it = &(l->items[i]);
 795                path = quote_path(it->string, s->prefix, &buf);
 796                if (column_active(s->colopts)) {
 797                        string_list_append(&output, path);
 798                        continue;
 799                }
 800                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 801                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 802                                   "%s\n", path);
 803        }
 804
 805        strbuf_release(&buf);
 806        if (!column_active(s->colopts))
 807                goto conclude;
 808
 809        strbuf_addf(&buf, "%s%s\t%s",
 810                    color(WT_STATUS_HEADER, s),
 811                    s->display_comment_prefix ? "#" : "",
 812                    color(WT_STATUS_UNTRACKED, s));
 813        memset(&copts, 0, sizeof(copts));
 814        copts.padding = 1;
 815        copts.indent = buf.buf;
 816        if (want_color(s->use_color))
 817                copts.nl = GIT_COLOR_RESET "\n";
 818        print_columns(&output, s->colopts, &copts);
 819        string_list_clear(&output, 0);
 820        strbuf_release(&buf);
 821conclude:
 822        status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
 823}
 824
 825void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
 826{
 827        const char *p;
 828        struct strbuf pattern = STRBUF_INIT;
 829
 830        strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
 831        p = strstr(buf->buf, pattern.buf);
 832        if (p && (p == buf->buf || p[-1] == '\n'))
 833                strbuf_setlen(buf, p - buf->buf);
 834        strbuf_release(&pattern);
 835}
 836
 837void wt_status_add_cut_line(FILE *fp)
 838{
 839        const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
 840        struct strbuf buf = STRBUF_INIT;
 841
 842        fprintf(fp, "%c %s", comment_line_char, cut_line);
 843        strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
 844        fputs(buf.buf, fp);
 845        strbuf_release(&buf);
 846}
 847
 848static void wt_status_print_verbose(struct wt_status *s)
 849{
 850        struct rev_info rev;
 851        struct setup_revision_opt opt;
 852        int dirty_submodules;
 853        const char *c = color(WT_STATUS_HEADER, s);
 854
 855        init_revisions(&rev, NULL);
 856        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 857
 858        memset(&opt, 0, sizeof(opt));
 859        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 860        setup_revisions(0, NULL, &rev, &opt);
 861
 862        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 863        rev.diffopt.detect_rename = 1;
 864        rev.diffopt.file = s->fp;
 865        rev.diffopt.close_file = 0;
 866        /*
 867         * If we're not going to stdout, then we definitely don't
 868         * want color, since we are going to the commit message
 869         * file (and even the "auto" setting won't work, since it
 870         * will have checked isatty on stdout). But we then do want
 871         * to insert the scissor line here to reliably remove the
 872         * diff before committing.
 873         */
 874        if (s->fp != stdout) {
 875                rev.diffopt.use_color = 0;
 876                wt_status_add_cut_line(s->fp);
 877        }
 878        if (s->verbose > 1 && s->commitable) {
 879                /* print_updated() printed a header, so do we */
 880                if (s->fp != stdout)
 881                        wt_status_print_trailer(s);
 882                status_printf_ln(s, c, _("Changes to be committed:"));
 883                rev.diffopt.a_prefix = "c/";
 884                rev.diffopt.b_prefix = "i/";
 885        } /* else use prefix as per user config */
 886        run_diff_index(&rev, 1);
 887        if (s->verbose > 1 &&
 888            wt_status_check_worktree_changes(s, &dirty_submodules)) {
 889                status_printf_ln(s, c,
 890                        "--------------------------------------------------");
 891                status_printf_ln(s, c, _("Changes not staged for commit:"));
 892                setup_work_tree();
 893                rev.diffopt.a_prefix = "i/";
 894                rev.diffopt.b_prefix = "w/";
 895                run_diff_files(&rev, 0);
 896        }
 897}
 898
 899static void wt_status_print_tracking(struct wt_status *s)
 900{
 901        struct strbuf sb = STRBUF_INIT;
 902        const char *cp, *ep;
 903        struct branch *branch;
 904        char comment_line_string[3];
 905        int i;
 906
 907        assert(s->branch && !s->is_initial);
 908        if (!starts_with(s->branch, "refs/heads/"))
 909                return;
 910        branch = branch_get(s->branch + 11);
 911        if (!format_tracking_info(branch, &sb))
 912                return;
 913
 914        i = 0;
 915        if (s->display_comment_prefix) {
 916                comment_line_string[i++] = comment_line_char;
 917                comment_line_string[i++] = ' ';
 918        }
 919        comment_line_string[i] = '\0';
 920
 921        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 922                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 923                                 "%s%.*s", comment_line_string,
 924                                 (int)(ep - cp), cp);
 925        if (s->display_comment_prefix)
 926                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 927                                 comment_line_char);
 928        else
 929                fputs("", s->fp);
 930}
 931
 932static int has_unmerged(struct wt_status *s)
 933{
 934        int i;
 935
 936        for (i = 0; i < s->change.nr; i++) {
 937                struct wt_status_change_data *d;
 938                d = s->change.items[i].util;
 939                if (d->stagemask)
 940                        return 1;
 941        }
 942        return 0;
 943}
 944
 945static void show_merge_in_progress(struct wt_status *s,
 946                                struct wt_status_state *state,
 947                                const char *color)
 948{
 949        if (has_unmerged(s)) {
 950                status_printf_ln(s, color, _("You have unmerged paths."));
 951                if (s->hints)
 952                        status_printf_ln(s, color,
 953                                _("  (fix conflicts and run \"git commit\")"));
 954        } else {
 955                status_printf_ln(s, color,
 956                        _("All conflicts fixed but you are still merging."));
 957                if (s->hints)
 958                        status_printf_ln(s, color,
 959                                _("  (use \"git commit\" to conclude merge)"));
 960        }
 961        wt_status_print_trailer(s);
 962}
 963
 964static void show_am_in_progress(struct wt_status *s,
 965                                struct wt_status_state *state,
 966                                const char *color)
 967{
 968        status_printf_ln(s, color,
 969                _("You are in the middle of an am session."));
 970        if (state->am_empty_patch)
 971                status_printf_ln(s, color,
 972                        _("The current patch is empty."));
 973        if (s->hints) {
 974                if (!state->am_empty_patch)
 975                        status_printf_ln(s, color,
 976                                _("  (fix conflicts and then run \"git am --continue\")"));
 977                status_printf_ln(s, color,
 978                        _("  (use \"git am --skip\" to skip this patch)"));
 979                status_printf_ln(s, color,
 980                        _("  (use \"git am --abort\" to restore the original branch)"));
 981        }
 982        wt_status_print_trailer(s);
 983}
 984
 985static char *read_line_from_git_path(const char *filename)
 986{
 987        struct strbuf buf = STRBUF_INIT;
 988        FILE *fp = fopen(git_path("%s", filename), "r");
 989        if (!fp) {
 990                strbuf_release(&buf);
 991                return NULL;
 992        }
 993        strbuf_getline(&buf, fp, '\n');
 994        if (!fclose(fp)) {
 995                return strbuf_detach(&buf, NULL);
 996        } else {
 997                strbuf_release(&buf);
 998                return NULL;
 999        }
1000}
1001
1002static int split_commit_in_progress(struct wt_status *s)
1003{
1004        int split_in_progress = 0;
1005        char *head = read_line_from_git_path("HEAD");
1006        char *orig_head = read_line_from_git_path("ORIG_HEAD");
1007        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
1008        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
1009
1010        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
1011            !s->branch || strcmp(s->branch, "HEAD"))
1012                return split_in_progress;
1013
1014        if (!strcmp(rebase_amend, rebase_orig_head)) {
1015                if (strcmp(head, rebase_amend))
1016                        split_in_progress = 1;
1017        } else if (strcmp(orig_head, rebase_orig_head)) {
1018                split_in_progress = 1;
1019        }
1020
1021        if (!s->amend && !s->nowarn && !s->workdir_dirty)
1022                split_in_progress = 0;
1023
1024        free(head);
1025        free(orig_head);
1026        free(rebase_amend);
1027        free(rebase_orig_head);
1028        return split_in_progress;
1029}
1030
1031static void show_rebase_in_progress(struct wt_status *s,
1032                                struct wt_status_state *state,
1033                                const char *color)
1034{
1035        struct stat st;
1036
1037        if (has_unmerged(s)) {
1038                if (state->branch)
1039                        status_printf_ln(s, color,
1040                                         _("You are currently rebasing branch '%s' on '%s'."),
1041                                         state->branch,
1042                                         state->onto);
1043                else
1044                        status_printf_ln(s, color,
1045                                         _("You are currently rebasing."));
1046                if (s->hints) {
1047                        status_printf_ln(s, color,
1048                                _("  (fix conflicts and then run \"git rebase --continue\")"));
1049                        status_printf_ln(s, color,
1050                                _("  (use \"git rebase --skip\" to skip this patch)"));
1051                        status_printf_ln(s, color,
1052                                _("  (use \"git rebase --abort\" to check out the original branch)"));
1053                }
1054        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
1055                if (state->branch)
1056                        status_printf_ln(s, color,
1057                                         _("You are currently rebasing branch '%s' on '%s'."),
1058                                         state->branch,
1059                                         state->onto);
1060                else
1061                        status_printf_ln(s, color,
1062                                         _("You are currently rebasing."));
1063                if (s->hints)
1064                        status_printf_ln(s, color,
1065                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
1066        } else if (split_commit_in_progress(s)) {
1067                if (state->branch)
1068                        status_printf_ln(s, color,
1069                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
1070                                         state->branch,
1071                                         state->onto);
1072                else
1073                        status_printf_ln(s, color,
1074                                         _("You are currently splitting a commit during a rebase."));
1075                if (s->hints)
1076                        status_printf_ln(s, color,
1077                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
1078        } else {
1079                if (state->branch)
1080                        status_printf_ln(s, color,
1081                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
1082                                         state->branch,
1083                                         state->onto);
1084                else
1085                        status_printf_ln(s, color,
1086                                         _("You are currently editing a commit during a rebase."));
1087                if (s->hints && !s->amend) {
1088                        status_printf_ln(s, color,
1089                                _("  (use \"git commit --amend\" to amend the current commit)"));
1090                        status_printf_ln(s, color,
1091                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
1092                }
1093        }
1094        wt_status_print_trailer(s);
1095}
1096
1097static void show_cherry_pick_in_progress(struct wt_status *s,
1098                                        struct wt_status_state *state,
1099                                        const char *color)
1100{
1101        status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
1102                        find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
1103        if (s->hints) {
1104                if (has_unmerged(s))
1105                        status_printf_ln(s, color,
1106                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
1107                else
1108                        status_printf_ln(s, color,
1109                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
1110                status_printf_ln(s, color,
1111                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
1112        }
1113        wt_status_print_trailer(s);
1114}
1115
1116static void show_revert_in_progress(struct wt_status *s,
1117                                        struct wt_status_state *state,
1118                                        const char *color)
1119{
1120        status_printf_ln(s, color, _("You are currently reverting commit %s."),
1121                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
1122        if (s->hints) {
1123                if (has_unmerged(s))
1124                        status_printf_ln(s, color,
1125                                _("  (fix conflicts and run \"git revert --continue\")"));
1126                else
1127                        status_printf_ln(s, color,
1128                                _("  (all conflicts fixed: run \"git revert --continue\")"));
1129                status_printf_ln(s, color,
1130                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
1131        }
1132        wt_status_print_trailer(s);
1133}
1134
1135static void show_bisect_in_progress(struct wt_status *s,
1136                                struct wt_status_state *state,
1137                                const char *color)
1138{
1139        if (state->branch)
1140                status_printf_ln(s, color,
1141                                 _("You are currently bisecting, started from branch '%s'."),
1142                                 state->branch);
1143        else
1144                status_printf_ln(s, color,
1145                                 _("You are currently bisecting."));
1146        if (s->hints)
1147                status_printf_ln(s, color,
1148                        _("  (use \"git bisect reset\" to get back to the original branch)"));
1149        wt_status_print_trailer(s);
1150}
1151
1152/*
1153 * Extract branch information from rebase/bisect
1154 */
1155static char *read_and_strip_branch(const char *path)
1156{
1157        struct strbuf sb = STRBUF_INIT;
1158        unsigned char sha1[20];
1159
1160        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1161                goto got_nothing;
1162
1163        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1164                strbuf_setlen(&sb, sb.len - 1);
1165        if (!sb.len)
1166                goto got_nothing;
1167        if (starts_with(sb.buf, "refs/heads/"))
1168                strbuf_remove(&sb,0, strlen("refs/heads/"));
1169        else if (starts_with(sb.buf, "refs/"))
1170                ;
1171        else if (!get_sha1_hex(sb.buf, sha1)) {
1172                const char *abbrev;
1173                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1174                strbuf_reset(&sb);
1175                strbuf_addstr(&sb, abbrev);
1176        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1177                goto got_nothing;
1178        else                    /* bisect */
1179                ;
1180        return strbuf_detach(&sb, NULL);
1181
1182got_nothing:
1183        strbuf_release(&sb);
1184        return NULL;
1185}
1186
1187struct grab_1st_switch_cbdata {
1188        struct strbuf buf;
1189        unsigned char nsha1[20];
1190};
1191
1192static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1193                           const char *email, unsigned long timestamp, int tz,
1194                           const char *message, void *cb_data)
1195{
1196        struct grab_1st_switch_cbdata *cb = cb_data;
1197        const char *target = NULL, *end;
1198
1199        if (!starts_with(message, "checkout: moving from "))
1200                return 0;
1201        message += strlen("checkout: moving from ");
1202        target = strstr(message, " to ");
1203        if (!target)
1204                return 0;
1205        target += strlen(" to ");
1206        strbuf_reset(&cb->buf);
1207        hashcpy(cb->nsha1, nsha1);
1208        for (end = target; *end && *end != '\n'; end++)
1209                ;
1210        strbuf_add(&cb->buf, target, end - target);
1211        return 1;
1212}
1213
1214static void wt_status_get_detached_from(struct wt_status_state *state)
1215{
1216        struct grab_1st_switch_cbdata cb;
1217        struct commit *commit;
1218        unsigned char sha1[20];
1219        char *ref = NULL;
1220
1221        strbuf_init(&cb.buf, 0);
1222        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1223                strbuf_release(&cb.buf);
1224                return;
1225        }
1226
1227        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1228            /* sha1 is a commit? match without further lookup */
1229            (!hashcmp(cb.nsha1, sha1) ||
1230             /* perhaps sha1 is a tag, try to dereference to a commit */
1231             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1232              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1233                int ofs;
1234                if (starts_with(ref, "refs/tags/"))
1235                        ofs = strlen("refs/tags/");
1236                else if (starts_with(ref, "refs/remotes/"))
1237                        ofs = strlen("refs/remotes/");
1238                else
1239                        ofs = 0;
1240                state->detached_from = xstrdup(ref + ofs);
1241        } else
1242                state->detached_from =
1243                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1244        hashcpy(state->detached_sha1, cb.nsha1);
1245
1246        free(ref);
1247        strbuf_release(&cb.buf);
1248}
1249
1250void wt_status_get_state(struct wt_status_state *state,
1251                         int get_detached_from)
1252{
1253        struct stat st;
1254        unsigned char sha1[20];
1255
1256        if (!stat(git_path("MERGE_HEAD"), &st)) {
1257                state->merge_in_progress = 1;
1258        } else if (!stat(git_path("rebase-apply"), &st)) {
1259                if (!stat(git_path("rebase-apply/applying"), &st)) {
1260                        state->am_in_progress = 1;
1261                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1262                                state->am_empty_patch = 1;
1263                } else {
1264                        state->rebase_in_progress = 1;
1265                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1266                        state->onto = read_and_strip_branch("rebase-apply/onto");
1267                }
1268        } else if (!stat(git_path("rebase-merge"), &st)) {
1269                if (!stat(git_path("rebase-merge/interactive"), &st))
1270                        state->rebase_interactive_in_progress = 1;
1271                else
1272                        state->rebase_in_progress = 1;
1273                state->branch = read_and_strip_branch("rebase-merge/head-name");
1274                state->onto = read_and_strip_branch("rebase-merge/onto");
1275        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
1276                        !get_sha1("CHERRY_PICK_HEAD", sha1)) {
1277                state->cherry_pick_in_progress = 1;
1278                hashcpy(state->cherry_pick_head_sha1, sha1);
1279        }
1280        if (!stat(git_path("BISECT_LOG"), &st)) {
1281                state->bisect_in_progress = 1;
1282                state->branch = read_and_strip_branch("BISECT_START");
1283        }
1284        if (!stat(git_path("REVERT_HEAD"), &st) &&
1285            !get_sha1("REVERT_HEAD", sha1)) {
1286                state->revert_in_progress = 1;
1287                hashcpy(state->revert_head_sha1, sha1);
1288        }
1289
1290        if (get_detached_from)
1291                wt_status_get_detached_from(state);
1292}
1293
1294static void wt_status_print_state(struct wt_status *s,
1295                                  struct wt_status_state *state)
1296{
1297        const char *state_color = color(WT_STATUS_HEADER, s);
1298        if (state->merge_in_progress)
1299                show_merge_in_progress(s, state, state_color);
1300        else if (state->am_in_progress)
1301                show_am_in_progress(s, state, state_color);
1302        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1303                show_rebase_in_progress(s, state, state_color);
1304        else if (state->cherry_pick_in_progress)
1305                show_cherry_pick_in_progress(s, state, state_color);
1306        else if (state->revert_in_progress)
1307                show_revert_in_progress(s, state, state_color);
1308        if (state->bisect_in_progress)
1309                show_bisect_in_progress(s, state, state_color);
1310}
1311
1312void wt_status_print(struct wt_status *s)
1313{
1314        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1315        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1316        struct wt_status_state state;
1317
1318        memset(&state, 0, sizeof(state));
1319        wt_status_get_state(&state,
1320                            s->branch && !strcmp(s->branch, "HEAD"));
1321
1322        if (s->branch) {
1323                const char *on_what = _("On branch ");
1324                const char *branch_name = s->branch;
1325                if (starts_with(branch_name, "refs/heads/"))
1326                        branch_name += 11;
1327                else if (!strcmp(branch_name, "HEAD")) {
1328                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1329                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1330                                on_what = _("rebase in progress; onto ");
1331                                branch_name = state.onto;
1332                        } else if (state.detached_from) {
1333                                unsigned char sha1[20];
1334                                branch_name = state.detached_from;
1335                                if (!get_sha1("HEAD", sha1) &&
1336                                    !hashcmp(sha1, state.detached_sha1))
1337                                        on_what = _("HEAD detached at ");
1338                                else
1339                                        on_what = _("HEAD detached from ");
1340                        } else {
1341                                branch_name = "";
1342                                on_what = _("Not currently on any branch.");
1343                        }
1344                }
1345                status_printf(s, color(WT_STATUS_HEADER, s), "%s", "");
1346                status_printf_more(s, branch_status_color, "%s", on_what);
1347                status_printf_more(s, branch_color, "%s\n", branch_name);
1348                if (!s->is_initial)
1349                        wt_status_print_tracking(s);
1350        }
1351
1352        wt_status_print_state(s, &state);
1353        free(state.branch);
1354        free(state.onto);
1355        free(state.detached_from);
1356
1357        if (s->is_initial) {
1358                status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1359                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1360                status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
1361        }
1362
1363        wt_status_print_updated(s);
1364        wt_status_print_unmerged(s);
1365        wt_status_print_changed(s);
1366        if (s->submodule_summary &&
1367            (!s->ignore_submodule_arg ||
1368             strcmp(s->ignore_submodule_arg, "all"))) {
1369                wt_status_print_submodule_summary(s, 0);  /* staged */
1370                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1371        }
1372        if (s->show_untracked_files) {
1373                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1374                if (s->show_ignored_files)
1375                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1376                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1377                        status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
1378                        status_printf_ln(s, GIT_COLOR_NORMAL,
1379                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1380                                           "may speed it up, but you have to be careful not to forget to add\n"
1381                                           "new files yourself (see 'git help status')."),
1382                                         s->untracked_in_ms / 1000.0);
1383                }
1384        } else if (s->commitable)
1385                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1386                        s->hints
1387                        ? _(" (use -u option to show untracked files)") : "");
1388
1389        if (s->verbose)
1390                wt_status_print_verbose(s);
1391        if (!s->commitable) {
1392                if (s->amend)
1393                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1394                else if (s->nowarn)
1395                        ; /* nothing */
1396                else if (s->workdir_dirty) {
1397                        if (s->hints)
1398                                printf(_("no changes added to commit "
1399                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1400                        else
1401                                printf(_("no changes added to commit\n"));
1402                } else if (s->untracked.nr) {
1403                        if (s->hints)
1404                                printf(_("nothing added to commit but untracked files "
1405                                         "present (use \"git add\" to track)\n"));
1406                        else
1407                                printf(_("nothing added to commit but untracked files present\n"));
1408                } else if (s->is_initial) {
1409                        if (s->hints)
1410                                printf(_("nothing to commit (create/copy files "
1411                                         "and use \"git add\" to track)\n"));
1412                        else
1413                                printf(_("nothing to commit\n"));
1414                } else if (!s->show_untracked_files) {
1415                        if (s->hints)
1416                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1417                        else
1418                                printf(_("nothing to commit\n"));
1419                } else
1420                        printf(_("nothing to commit, working directory clean\n"));
1421        }
1422}
1423
1424static void wt_shortstatus_unmerged(struct string_list_item *it,
1425                           struct wt_status *s)
1426{
1427        struct wt_status_change_data *d = it->util;
1428        const char *how = "??";
1429
1430        switch (d->stagemask) {
1431        case 1: how = "DD"; break; /* both deleted */
1432        case 2: how = "AU"; break; /* added by us */
1433        case 3: how = "UD"; break; /* deleted by them */
1434        case 4: how = "UA"; break; /* added by them */
1435        case 5: how = "DU"; break; /* deleted by us */
1436        case 6: how = "AA"; break; /* both added */
1437        case 7: how = "UU"; break; /* both modified */
1438        }
1439        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1440        if (s->null_termination) {
1441                fprintf(stdout, " %s%c", it->string, 0);
1442        } else {
1443                struct strbuf onebuf = STRBUF_INIT;
1444                const char *one;
1445                one = quote_path(it->string, s->prefix, &onebuf);
1446                printf(" %s\n", one);
1447                strbuf_release(&onebuf);
1448        }
1449}
1450
1451static void wt_shortstatus_status(struct string_list_item *it,
1452                         struct wt_status *s)
1453{
1454        struct wt_status_change_data *d = it->util;
1455
1456        if (d->index_status)
1457                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1458        else
1459                putchar(' ');
1460        if (d->worktree_status)
1461                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1462        else
1463                putchar(' ');
1464        putchar(' ');
1465        if (s->null_termination) {
1466                fprintf(stdout, "%s%c", it->string, 0);
1467                if (d->head_path)
1468                        fprintf(stdout, "%s%c", d->head_path, 0);
1469        } else {
1470                struct strbuf onebuf = STRBUF_INIT;
1471                const char *one;
1472                if (d->head_path) {
1473                        one = quote_path(d->head_path, s->prefix, &onebuf);
1474                        if (*one != '"' && strchr(one, ' ') != NULL) {
1475                                putchar('"');
1476                                strbuf_addch(&onebuf, '"');
1477                                one = onebuf.buf;
1478                        }
1479                        printf("%s -> ", one);
1480                        strbuf_release(&onebuf);
1481                }
1482                one = quote_path(it->string, s->prefix, &onebuf);
1483                if (*one != '"' && strchr(one, ' ') != NULL) {
1484                        putchar('"');
1485                        strbuf_addch(&onebuf, '"');
1486                        one = onebuf.buf;
1487                }
1488                printf("%s\n", one);
1489                strbuf_release(&onebuf);
1490        }
1491}
1492
1493static void wt_shortstatus_other(struct string_list_item *it,
1494                                 struct wt_status *s, const char *sign)
1495{
1496        if (s->null_termination) {
1497                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1498        } else {
1499                struct strbuf onebuf = STRBUF_INIT;
1500                const char *one;
1501                one = quote_path(it->string, s->prefix, &onebuf);
1502                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1503                printf(" %s\n", one);
1504                strbuf_release(&onebuf);
1505        }
1506}
1507
1508static void wt_shortstatus_print_tracking(struct wt_status *s)
1509{
1510        struct branch *branch;
1511        const char *header_color = color(WT_STATUS_HEADER, s);
1512        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1513        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1514
1515        const char *base;
1516        const char *branch_name;
1517        int num_ours, num_theirs;
1518        int upstream_is_gone = 0;
1519
1520        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1521
1522        if (!s->branch)
1523                return;
1524        branch_name = s->branch;
1525
1526        if (starts_with(branch_name, "refs/heads/"))
1527                branch_name += 11;
1528        else if (!strcmp(branch_name, "HEAD")) {
1529                branch_name = _("HEAD (no branch)");
1530                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1531        }
1532
1533        branch = branch_get(s->branch + 11);
1534        if (s->is_initial)
1535                color_fprintf(s->fp, header_color, _("Initial commit on "));
1536
1537        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1538
1539        switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
1540        case 0:
1541                /* no base */
1542                fputc(s->null_termination ? '\0' : '\n', s->fp);
1543                return;
1544        case -1:
1545                /* with "gone" base */
1546                upstream_is_gone = 1;
1547                break;
1548        default:
1549                /* with base */
1550                break;
1551        }
1552
1553        base = branch->merge[0]->dst;
1554        base = shorten_unambiguous_ref(base, 0);
1555        color_fprintf(s->fp, header_color, "...");
1556        color_fprintf(s->fp, branch_color_remote, "%s", base);
1557
1558        if (!upstream_is_gone && !num_ours && !num_theirs) {
1559                fputc(s->null_termination ? '\0' : '\n', s->fp);
1560                return;
1561        }
1562
1563#define LABEL(string) (s->no_gettext ? (string) : _(string))
1564
1565        color_fprintf(s->fp, header_color, " [");
1566        if (upstream_is_gone) {
1567                color_fprintf(s->fp, header_color, LABEL(N_("gone")));
1568        } else if (!num_ours) {
1569                color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
1570                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1571        } else if (!num_theirs) {
1572                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1573                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1574        } else {
1575                color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
1576                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1577                color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
1578                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1579        }
1580
1581        color_fprintf(s->fp, header_color, "]");
1582        fputc(s->null_termination ? '\0' : '\n', s->fp);
1583}
1584
1585void wt_shortstatus_print(struct wt_status *s)
1586{
1587        int i;
1588
1589        if (s->show_branch)
1590                wt_shortstatus_print_tracking(s);
1591
1592        for (i = 0; i < s->change.nr; i++) {
1593                struct wt_status_change_data *d;
1594                struct string_list_item *it;
1595
1596                it = &(s->change.items[i]);
1597                d = it->util;
1598                if (d->stagemask)
1599                        wt_shortstatus_unmerged(it, s);
1600                else
1601                        wt_shortstatus_status(it, s);
1602        }
1603        for (i = 0; i < s->untracked.nr; i++) {
1604                struct string_list_item *it;
1605
1606                it = &(s->untracked.items[i]);
1607                wt_shortstatus_other(it, s, "??");
1608        }
1609        for (i = 0; i < s->ignored.nr; i++) {
1610                struct string_list_item *it;
1611
1612                it = &(s->ignored.items[i]);
1613                wt_shortstatus_other(it, s, "!!");
1614        }
1615}
1616
1617void wt_porcelain_print(struct wt_status *s)
1618{
1619        s->use_color = 0;
1620        s->relative_paths = 0;
1621        s->prefix = NULL;
1622        s->no_gettext = 1;
1623        wt_shortstatus_print(s);
1624}