wt-status.con commit Merge branch 'es/rebase-i-no-abbrev' (135be1e)
   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 "remote.h"
  13#include "refs.h"
  14#include "submodule.h"
  15#include "column.h"
  16#include "strbuf.h"
  17
  18static char default_wt_status_colors[][COLOR_MAXLEN] = {
  19        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  20        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  21        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  22        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  23        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  24        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  25        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  26        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  27        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  28};
  29
  30static const char *color(int slot, struct wt_status *s)
  31{
  32        const char *c = "";
  33        if (want_color(s->use_color))
  34                c = s->color_palette[slot];
  35        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  36                c = s->color_palette[WT_STATUS_HEADER];
  37        return c;
  38}
  39
  40static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  41                const char *fmt, va_list ap, const char *trail)
  42{
  43        struct strbuf sb = STRBUF_INIT;
  44        struct strbuf linebuf = STRBUF_INIT;
  45        const char *line, *eol;
  46
  47        strbuf_vaddf(&sb, fmt, ap);
  48        if (!sb.len) {
  49                strbuf_addch(&sb, comment_line_char);
  50                if (!trail)
  51                        strbuf_addch(&sb, ' ');
  52                color_print_strbuf(s->fp, color, &sb);
  53                if (trail)
  54                        fprintf(s->fp, "%s", trail);
  55                strbuf_release(&sb);
  56                return;
  57        }
  58        for (line = sb.buf; *line; line = eol + 1) {
  59                eol = strchr(line, '\n');
  60
  61                strbuf_reset(&linebuf);
  62                if (at_bol) {
  63                        strbuf_addch(&linebuf, comment_line_char);
  64                        if (*line != '\n' && *line != '\t')
  65                                strbuf_addch(&linebuf, ' ');
  66                }
  67                if (eol)
  68                        strbuf_add(&linebuf, line, eol - line);
  69                else
  70                        strbuf_addstr(&linebuf, line);
  71                color_print_strbuf(s->fp, color, &linebuf);
  72                if (eol)
  73                        fprintf(s->fp, "\n");
  74                else
  75                        break;
  76                at_bol = 1;
  77        }
  78        if (trail)
  79                fprintf(s->fp, "%s", trail);
  80        strbuf_release(&linebuf);
  81        strbuf_release(&sb);
  82}
  83
  84void status_printf_ln(struct wt_status *s, const char *color,
  85                        const char *fmt, ...)
  86{
  87        va_list ap;
  88
  89        va_start(ap, fmt);
  90        status_vprintf(s, 1, color, fmt, ap, "\n");
  91        va_end(ap);
  92}
  93
  94void status_printf(struct wt_status *s, const char *color,
  95                        const char *fmt, ...)
  96{
  97        va_list ap;
  98
  99        va_start(ap, fmt);
 100        status_vprintf(s, 1, color, fmt, ap, NULL);
 101        va_end(ap);
 102}
 103
 104static void status_printf_more(struct wt_status *s, const char *color,
 105                               const char *fmt, ...)
 106{
 107        va_list ap;
 108
 109        va_start(ap, fmt);
 110        status_vprintf(s, 0, color, fmt, ap, NULL);
 111        va_end(ap);
 112}
 113
 114void wt_status_prepare(struct wt_status *s)
 115{
 116        unsigned char sha1[20];
 117
 118        memset(s, 0, sizeof(*s));
 119        memcpy(s->color_palette, default_wt_status_colors,
 120               sizeof(default_wt_status_colors));
 121        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 122        s->use_color = -1;
 123        s->relative_paths = 1;
 124        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 125        s->reference = "HEAD";
 126        s->fp = stdout;
 127        s->index_file = get_index_file();
 128        s->change.strdup_strings = 1;
 129        s->untracked.strdup_strings = 1;
 130        s->ignored.strdup_strings = 1;
 131        s->show_branch = -1;  /* unspecified */
 132}
 133
 134static void wt_status_print_unmerged_header(struct wt_status *s)
 135{
 136        int i;
 137        int del_mod_conflict = 0;
 138        int both_deleted = 0;
 139        int not_deleted = 0;
 140        const char *c = color(WT_STATUS_HEADER, s);
 141
 142        status_printf_ln(s, c, _("Unmerged paths:"));
 143
 144        for (i = 0; i < s->change.nr; i++) {
 145                struct string_list_item *it = &(s->change.items[i]);
 146                struct wt_status_change_data *d = it->util;
 147
 148                switch (d->stagemask) {
 149                case 0:
 150                        break;
 151                case 1:
 152                        both_deleted = 1;
 153                        break;
 154                case 3:
 155                case 5:
 156                        del_mod_conflict = 1;
 157                        break;
 158                default:
 159                        not_deleted = 1;
 160                        break;
 161                }
 162        }
 163
 164        if (!advice_status_hints)
 165                return;
 166        if (s->whence != FROM_COMMIT)
 167                ;
 168        else if (!s->is_initial)
 169                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 170        else
 171                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 172
 173        if (!both_deleted) {
 174                if (!del_mod_conflict)
 175                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 176                else
 177                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 178        } else if (!del_mod_conflict && !not_deleted) {
 179                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 180        } else {
 181                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 182        }
 183        status_printf_ln(s, c, "");
 184}
 185
 186static void wt_status_print_cached_header(struct wt_status *s)
 187{
 188        const char *c = color(WT_STATUS_HEADER, s);
 189
 190        status_printf_ln(s, c, _("Changes to be committed:"));
 191        if (!advice_status_hints)
 192                return;
 193        if (s->whence != FROM_COMMIT)
 194                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 195        else if (!s->is_initial)
 196                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 197        else
 198                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 199        status_printf_ln(s, c, "");
 200}
 201
 202static void wt_status_print_dirty_header(struct wt_status *s,
 203                                         int has_deleted,
 204                                         int has_dirty_submodules)
 205{
 206        const char *c = color(WT_STATUS_HEADER, s);
 207
 208        status_printf_ln(s, c, _("Changes not staged for commit:"));
 209        if (!advice_status_hints)
 210                return;
 211        if (!has_deleted)
 212                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 213        else
 214                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 215        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 216        if (has_dirty_submodules)
 217                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 218        status_printf_ln(s, c, "");
 219}
 220
 221static void wt_status_print_other_header(struct wt_status *s,
 222                                         const char *what,
 223                                         const char *how)
 224{
 225        const char *c = color(WT_STATUS_HEADER, s);
 226        status_printf_ln(s, c, "%s:", what);
 227        if (!advice_status_hints)
 228                return;
 229        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 230        status_printf_ln(s, c, "");
 231}
 232
 233static void wt_status_print_trailer(struct wt_status *s)
 234{
 235        status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 236}
 237
 238#define quote_path quote_path_relative
 239
 240static void wt_status_print_unmerged_data(struct wt_status *s,
 241                                          struct string_list_item *it)
 242{
 243        const char *c = color(WT_STATUS_UNMERGED, s);
 244        struct wt_status_change_data *d = it->util;
 245        struct strbuf onebuf = STRBUF_INIT;
 246        const char *one, *how = _("bug");
 247
 248        one = quote_path(it->string, s->prefix, &onebuf);
 249        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 250        switch (d->stagemask) {
 251        case 1: how = _("both deleted:"); break;
 252        case 2: how = _("added by us:"); break;
 253        case 3: how = _("deleted by them:"); break;
 254        case 4: how = _("added by them:"); break;
 255        case 5: how = _("deleted by us:"); break;
 256        case 6: how = _("both added:"); break;
 257        case 7: how = _("both modified:"); break;
 258        }
 259        status_printf_more(s, c, "%-20s%s\n", how, one);
 260        strbuf_release(&onebuf);
 261}
 262
 263static void wt_status_print_change_data(struct wt_status *s,
 264                                        int change_type,
 265                                        struct string_list_item *it)
 266{
 267        struct wt_status_change_data *d = it->util;
 268        const char *c = color(change_type, s);
 269        int status;
 270        char *one_name;
 271        char *two_name;
 272        const char *one, *two;
 273        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 274        struct strbuf extra = STRBUF_INIT;
 275
 276        one_name = two_name = it->string;
 277        switch (change_type) {
 278        case WT_STATUS_UPDATED:
 279                status = d->index_status;
 280                if (d->head_path)
 281                        one_name = d->head_path;
 282                break;
 283        case WT_STATUS_CHANGED:
 284                if (d->new_submodule_commits || d->dirty_submodule) {
 285                        strbuf_addstr(&extra, " (");
 286                        if (d->new_submodule_commits)
 287                                strbuf_addf(&extra, _("new commits, "));
 288                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 289                                strbuf_addf(&extra, _("modified content, "));
 290                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 291                                strbuf_addf(&extra, _("untracked content, "));
 292                        strbuf_setlen(&extra, extra.len - 2);
 293                        strbuf_addch(&extra, ')');
 294                }
 295                status = d->worktree_status;
 296                break;
 297        default:
 298                die("BUG: unhandled change_type %d in wt_status_print_change_data",
 299                    change_type);
 300        }
 301
 302        one = quote_path(one_name, s->prefix, &onebuf);
 303        two = quote_path(two_name, s->prefix, &twobuf);
 304
 305        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 306        switch (status) {
 307        case DIFF_STATUS_ADDED:
 308                status_printf_more(s, c, _("new file:   %s"), one);
 309                break;
 310        case DIFF_STATUS_COPIED:
 311                status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 312                break;
 313        case DIFF_STATUS_DELETED:
 314                status_printf_more(s, c, _("deleted:    %s"), one);
 315                break;
 316        case DIFF_STATUS_MODIFIED:
 317                status_printf_more(s, c, _("modified:   %s"), one);
 318                break;
 319        case DIFF_STATUS_RENAMED:
 320                status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 321                break;
 322        case DIFF_STATUS_TYPE_CHANGED:
 323                status_printf_more(s, c, _("typechange: %s"), one);
 324                break;
 325        case DIFF_STATUS_UNKNOWN:
 326                status_printf_more(s, c, _("unknown:    %s"), one);
 327                break;
 328        case DIFF_STATUS_UNMERGED:
 329                status_printf_more(s, c, _("unmerged:   %s"), one);
 330                break;
 331        default:
 332                die(_("bug: unhandled diff status %c"), status);
 333        }
 334        if (extra.len) {
 335                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 336                strbuf_release(&extra);
 337        }
 338        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 339        strbuf_release(&onebuf);
 340        strbuf_release(&twobuf);
 341}
 342
 343static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 344                                         struct diff_options *options,
 345                                         void *data)
 346{
 347        struct wt_status *s = data;
 348        int i;
 349
 350        if (!q->nr)
 351                return;
 352        s->workdir_dirty = 1;
 353        for (i = 0; i < q->nr; i++) {
 354                struct diff_filepair *p;
 355                struct string_list_item *it;
 356                struct wt_status_change_data *d;
 357
 358                p = q->queue[i];
 359                it = string_list_insert(&s->change, p->one->path);
 360                d = it->util;
 361                if (!d) {
 362                        d = xcalloc(1, sizeof(*d));
 363                        it->util = d;
 364                }
 365                if (!d->worktree_status)
 366                        d->worktree_status = p->status;
 367                d->dirty_submodule = p->two->dirty_submodule;
 368                if (S_ISGITLINK(p->two->mode))
 369                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 370        }
 371}
 372
 373static int unmerged_mask(const char *path)
 374{
 375        int pos, mask;
 376        const struct cache_entry *ce;
 377
 378        pos = cache_name_pos(path, strlen(path));
 379        if (0 <= pos)
 380                return 0;
 381
 382        mask = 0;
 383        pos = -pos-1;
 384        while (pos < active_nr) {
 385                ce = active_cache[pos++];
 386                if (strcmp(ce->name, path) || !ce_stage(ce))
 387                        break;
 388                mask |= (1 << (ce_stage(ce) - 1));
 389        }
 390        return mask;
 391}
 392
 393static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 394                                         struct diff_options *options,
 395                                         void *data)
 396{
 397        struct wt_status *s = data;
 398        int i;
 399
 400        for (i = 0; i < q->nr; i++) {
 401                struct diff_filepair *p;
 402                struct string_list_item *it;
 403                struct wt_status_change_data *d;
 404
 405                p = q->queue[i];
 406                it = string_list_insert(&s->change, p->two->path);
 407                d = it->util;
 408                if (!d) {
 409                        d = xcalloc(1, sizeof(*d));
 410                        it->util = d;
 411                }
 412                if (!d->index_status)
 413                        d->index_status = p->status;
 414                switch (p->status) {
 415                case DIFF_STATUS_COPIED:
 416                case DIFF_STATUS_RENAMED:
 417                        d->head_path = xstrdup(p->one->path);
 418                        break;
 419                case DIFF_STATUS_UNMERGED:
 420                        d->stagemask = unmerged_mask(p->two->path);
 421                        break;
 422                }
 423        }
 424}
 425
 426static void wt_status_collect_changes_worktree(struct wt_status *s)
 427{
 428        struct rev_info rev;
 429
 430        init_revisions(&rev, NULL);
 431        setup_revisions(0, NULL, &rev, NULL);
 432        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 433        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 434        if (!s->show_untracked_files)
 435                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 436        if (s->ignore_submodule_arg) {
 437                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 438                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 439        }
 440        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 441        rev.diffopt.format_callback_data = s;
 442        copy_pathspec(&rev.prune_data, &s->pathspec);
 443        run_diff_files(&rev, 0);
 444}
 445
 446static void wt_status_collect_changes_index(struct wt_status *s)
 447{
 448        struct rev_info rev;
 449        struct setup_revision_opt opt;
 450
 451        init_revisions(&rev, NULL);
 452        memset(&opt, 0, sizeof(opt));
 453        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 454        setup_revisions(0, NULL, &rev, &opt);
 455
 456        if (s->ignore_submodule_arg) {
 457                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 458                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 459        }
 460
 461        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 462        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 463        rev.diffopt.format_callback_data = s;
 464        rev.diffopt.detect_rename = 1;
 465        rev.diffopt.rename_limit = 200;
 466        rev.diffopt.break_opt = 0;
 467        copy_pathspec(&rev.prune_data, &s->pathspec);
 468        run_diff_index(&rev, 1);
 469}
 470
 471static void wt_status_collect_changes_initial(struct wt_status *s)
 472{
 473        int i;
 474
 475        for (i = 0; i < active_nr; i++) {
 476                struct string_list_item *it;
 477                struct wt_status_change_data *d;
 478                const struct cache_entry *ce = active_cache[i];
 479
 480                if (!ce_path_match(ce, &s->pathspec))
 481                        continue;
 482                it = string_list_insert(&s->change, ce->name);
 483                d = it->util;
 484                if (!d) {
 485                        d = xcalloc(1, sizeof(*d));
 486                        it->util = d;
 487                }
 488                if (ce_stage(ce)) {
 489                        d->index_status = DIFF_STATUS_UNMERGED;
 490                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 491                }
 492                else
 493                        d->index_status = DIFF_STATUS_ADDED;
 494        }
 495}
 496
 497static void wt_status_collect_untracked(struct wt_status *s)
 498{
 499        int i;
 500        struct dir_struct dir;
 501        struct timeval t_begin;
 502
 503        if (!s->show_untracked_files)
 504                return;
 505
 506        if (advice_status_u_option)
 507                gettimeofday(&t_begin, NULL);
 508
 509        memset(&dir, 0, sizeof(dir));
 510        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 511                dir.flags |=
 512                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 513        if (s->show_ignored_files)
 514                dir.flags |= DIR_SHOW_IGNORED_TOO;
 515        setup_standard_excludes(&dir);
 516
 517        fill_directory(&dir, &s->pathspec);
 518
 519        for (i = 0; i < dir.nr; i++) {
 520                struct dir_entry *ent = dir.entries[i];
 521                if (cache_name_is_other(ent->name, ent->len) &&
 522                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 523                        string_list_insert(&s->untracked, ent->name);
 524                free(ent);
 525        }
 526
 527        for (i = 0; i < dir.ignored_nr; i++) {
 528                struct dir_entry *ent = dir.ignored[i];
 529                if (cache_name_is_other(ent->name, ent->len) &&
 530                    match_pathspec_depth(&s->pathspec, ent->name, ent->len, 0, NULL))
 531                        string_list_insert(&s->ignored, ent->name);
 532                free(ent);
 533        }
 534
 535        free(dir.entries);
 536        free(dir.ignored);
 537        clear_directory(&dir);
 538
 539        if (advice_status_u_option) {
 540                struct timeval t_end;
 541                gettimeofday(&t_end, NULL);
 542                s->untracked_in_ms =
 543                        (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
 544                        ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
 545        }
 546}
 547
 548void wt_status_collect(struct wt_status *s)
 549{
 550        wt_status_collect_changes_worktree(s);
 551
 552        if (s->is_initial)
 553                wt_status_collect_changes_initial(s);
 554        else
 555                wt_status_collect_changes_index(s);
 556        wt_status_collect_untracked(s);
 557}
 558
 559static void wt_status_print_unmerged(struct wt_status *s)
 560{
 561        int shown_header = 0;
 562        int i;
 563
 564        for (i = 0; i < s->change.nr; i++) {
 565                struct wt_status_change_data *d;
 566                struct string_list_item *it;
 567                it = &(s->change.items[i]);
 568                d = it->util;
 569                if (!d->stagemask)
 570                        continue;
 571                if (!shown_header) {
 572                        wt_status_print_unmerged_header(s);
 573                        shown_header = 1;
 574                }
 575                wt_status_print_unmerged_data(s, it);
 576        }
 577        if (shown_header)
 578                wt_status_print_trailer(s);
 579
 580}
 581
 582static void wt_status_print_updated(struct wt_status *s)
 583{
 584        int shown_header = 0;
 585        int i;
 586
 587        for (i = 0; i < s->change.nr; i++) {
 588                struct wt_status_change_data *d;
 589                struct string_list_item *it;
 590                it = &(s->change.items[i]);
 591                d = it->util;
 592                if (!d->index_status ||
 593                    d->index_status == DIFF_STATUS_UNMERGED)
 594                        continue;
 595                if (!shown_header) {
 596                        wt_status_print_cached_header(s);
 597                        s->commitable = 1;
 598                        shown_header = 1;
 599                }
 600                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 601        }
 602        if (shown_header)
 603                wt_status_print_trailer(s);
 604}
 605
 606/*
 607 * -1 : has delete
 608 *  0 : no change
 609 *  1 : some change but no delete
 610 */
 611static int wt_status_check_worktree_changes(struct wt_status *s,
 612                                             int *dirty_submodules)
 613{
 614        int i;
 615        int changes = 0;
 616
 617        *dirty_submodules = 0;
 618
 619        for (i = 0; i < s->change.nr; i++) {
 620                struct wt_status_change_data *d;
 621                d = s->change.items[i].util;
 622                if (!d->worktree_status ||
 623                    d->worktree_status == DIFF_STATUS_UNMERGED)
 624                        continue;
 625                if (!changes)
 626                        changes = 1;
 627                if (d->dirty_submodule)
 628                        *dirty_submodules = 1;
 629                if (d->worktree_status == DIFF_STATUS_DELETED)
 630                        changes = -1;
 631        }
 632        return changes;
 633}
 634
 635static void wt_status_print_changed(struct wt_status *s)
 636{
 637        int i, dirty_submodules;
 638        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 639
 640        if (!worktree_changes)
 641                return;
 642
 643        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 644
 645        for (i = 0; i < s->change.nr; i++) {
 646                struct wt_status_change_data *d;
 647                struct string_list_item *it;
 648                it = &(s->change.items[i]);
 649                d = it->util;
 650                if (!d->worktree_status ||
 651                    d->worktree_status == DIFF_STATUS_UNMERGED)
 652                        continue;
 653                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 654        }
 655        wt_status_print_trailer(s);
 656}
 657
 658static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 659{
 660        struct child_process sm_summary;
 661        char summary_limit[64];
 662        char index[PATH_MAX];
 663        const char *env[] = { NULL, NULL };
 664        const char *argv[8];
 665
 666        env[0] =        index;
 667        argv[0] =       "submodule";
 668        argv[1] =       "summary";
 669        argv[2] =       uncommitted ? "--files" : "--cached";
 670        argv[3] =       "--for-status";
 671        argv[4] =       "--summary-limit";
 672        argv[5] =       summary_limit;
 673        argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 674        argv[7] =       NULL;
 675
 676        sprintf(summary_limit, "%d", s->submodule_summary);
 677        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 678
 679        memset(&sm_summary, 0, sizeof(sm_summary));
 680        sm_summary.argv = argv;
 681        sm_summary.env = env;
 682        sm_summary.git_cmd = 1;
 683        sm_summary.no_stdin = 1;
 684        fflush(s->fp);
 685        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 686        run_command(&sm_summary);
 687}
 688
 689static void wt_status_print_other(struct wt_status *s,
 690                                  struct string_list *l,
 691                                  const char *what,
 692                                  const char *how)
 693{
 694        int i;
 695        struct strbuf buf = STRBUF_INIT;
 696        static struct string_list output = STRING_LIST_INIT_DUP;
 697        struct column_options copts;
 698
 699        if (!l->nr)
 700                return;
 701
 702        wt_status_print_other_header(s, what, how);
 703
 704        for (i = 0; i < l->nr; i++) {
 705                struct string_list_item *it;
 706                const char *path;
 707                it = &(l->items[i]);
 708                path = quote_path(it->string, s->prefix, &buf);
 709                if (column_active(s->colopts)) {
 710                        string_list_append(&output, path);
 711                        continue;
 712                }
 713                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 714                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 715                                   "%s\n", path);
 716        }
 717
 718        strbuf_release(&buf);
 719        if (!column_active(s->colopts))
 720                return;
 721
 722        strbuf_addf(&buf, "%s#\t%s",
 723                    color(WT_STATUS_HEADER, s),
 724                    color(WT_STATUS_UNTRACKED, s));
 725        memset(&copts, 0, sizeof(copts));
 726        copts.padding = 1;
 727        copts.indent = buf.buf;
 728        if (want_color(s->use_color))
 729                copts.nl = GIT_COLOR_RESET "\n";
 730        print_columns(&output, s->colopts, &copts);
 731        string_list_clear(&output, 0);
 732        strbuf_release(&buf);
 733}
 734
 735static void wt_status_print_verbose(struct wt_status *s)
 736{
 737        struct rev_info rev;
 738        struct setup_revision_opt opt;
 739
 740        init_revisions(&rev, NULL);
 741        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 742
 743        memset(&opt, 0, sizeof(opt));
 744        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 745        setup_revisions(0, NULL, &rev, &opt);
 746
 747        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 748        rev.diffopt.detect_rename = 1;
 749        rev.diffopt.file = s->fp;
 750        rev.diffopt.close_file = 0;
 751        /*
 752         * If we're not going to stdout, then we definitely don't
 753         * want color, since we are going to the commit message
 754         * file (and even the "auto" setting won't work, since it
 755         * will have checked isatty on stdout).
 756         */
 757        if (s->fp != stdout)
 758                rev.diffopt.use_color = 0;
 759        run_diff_index(&rev, 1);
 760}
 761
 762static void wt_status_print_tracking(struct wt_status *s)
 763{
 764        struct strbuf sb = STRBUF_INIT;
 765        const char *cp, *ep;
 766        struct branch *branch;
 767
 768        assert(s->branch && !s->is_initial);
 769        if (prefixcmp(s->branch, "refs/heads/"))
 770                return;
 771        branch = branch_get(s->branch + 11);
 772        if (!format_tracking_info(branch, &sb))
 773                return;
 774
 775        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 776                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 777                                 "%c %.*s", comment_line_char,
 778                                 (int)(ep - cp), cp);
 779        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
 780                         comment_line_char);
 781}
 782
 783static int has_unmerged(struct wt_status *s)
 784{
 785        int i;
 786
 787        for (i = 0; i < s->change.nr; i++) {
 788                struct wt_status_change_data *d;
 789                d = s->change.items[i].util;
 790                if (d->stagemask)
 791                        return 1;
 792        }
 793        return 0;
 794}
 795
 796static void show_merge_in_progress(struct wt_status *s,
 797                                struct wt_status_state *state,
 798                                const char *color)
 799{
 800        if (has_unmerged(s)) {
 801                status_printf_ln(s, color, _("You have unmerged paths."));
 802                if (advice_status_hints)
 803                        status_printf_ln(s, color,
 804                                _("  (fix conflicts and run \"git commit\")"));
 805        } else {
 806                status_printf_ln(s, color,
 807                        _("All conflicts fixed but you are still merging."));
 808                if (advice_status_hints)
 809                        status_printf_ln(s, color,
 810                                _("  (use \"git commit\" to conclude merge)"));
 811        }
 812        wt_status_print_trailer(s);
 813}
 814
 815static void show_am_in_progress(struct wt_status *s,
 816                                struct wt_status_state *state,
 817                                const char *color)
 818{
 819        status_printf_ln(s, color,
 820                _("You are in the middle of an am session."));
 821        if (state->am_empty_patch)
 822                status_printf_ln(s, color,
 823                        _("The current patch is empty."));
 824        if (advice_status_hints) {
 825                if (!state->am_empty_patch)
 826                        status_printf_ln(s, color,
 827                                _("  (fix conflicts and then run \"git am --continue\")"));
 828                status_printf_ln(s, color,
 829                        _("  (use \"git am --skip\" to skip this patch)"));
 830                status_printf_ln(s, color,
 831                        _("  (use \"git am --abort\" to restore the original branch)"));
 832        }
 833        wt_status_print_trailer(s);
 834}
 835
 836static char *read_line_from_git_path(const char *filename)
 837{
 838        struct strbuf buf = STRBUF_INIT;
 839        FILE *fp = fopen(git_path("%s", filename), "r");
 840        if (!fp) {
 841                strbuf_release(&buf);
 842                return NULL;
 843        }
 844        strbuf_getline(&buf, fp, '\n');
 845        if (!fclose(fp)) {
 846                return strbuf_detach(&buf, NULL);
 847        } else {
 848                strbuf_release(&buf);
 849                return NULL;
 850        }
 851}
 852
 853static int split_commit_in_progress(struct wt_status *s)
 854{
 855        int split_in_progress = 0;
 856        char *head = read_line_from_git_path("HEAD");
 857        char *orig_head = read_line_from_git_path("ORIG_HEAD");
 858        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 859        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 860
 861        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 862            !s->branch || strcmp(s->branch, "HEAD"))
 863                return split_in_progress;
 864
 865        if (!strcmp(rebase_amend, rebase_orig_head)) {
 866                if (strcmp(head, rebase_amend))
 867                        split_in_progress = 1;
 868        } else if (strcmp(orig_head, rebase_orig_head)) {
 869                split_in_progress = 1;
 870        }
 871
 872        if (!s->amend && !s->nowarn && !s->workdir_dirty)
 873                split_in_progress = 0;
 874
 875        free(head);
 876        free(orig_head);
 877        free(rebase_amend);
 878        free(rebase_orig_head);
 879        return split_in_progress;
 880}
 881
 882static void show_rebase_in_progress(struct wt_status *s,
 883                                struct wt_status_state *state,
 884                                const char *color)
 885{
 886        struct stat st;
 887
 888        if (has_unmerged(s)) {
 889                if (state->branch)
 890                        status_printf_ln(s, color,
 891                                         _("You are currently rebasing branch '%s' on '%s'."),
 892                                         state->branch,
 893                                         state->onto);
 894                else
 895                        status_printf_ln(s, color,
 896                                         _("You are currently rebasing."));
 897                if (advice_status_hints) {
 898                        status_printf_ln(s, color,
 899                                _("  (fix conflicts and then run \"git rebase --continue\")"));
 900                        status_printf_ln(s, color,
 901                                _("  (use \"git rebase --skip\" to skip this patch)"));
 902                        status_printf_ln(s, color,
 903                                _("  (use \"git rebase --abort\" to check out the original branch)"));
 904                }
 905        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 906                if (state->branch)
 907                        status_printf_ln(s, color,
 908                                         _("You are currently rebasing branch '%s' on '%s'."),
 909                                         state->branch,
 910                                         state->onto);
 911                else
 912                        status_printf_ln(s, color,
 913                                         _("You are currently rebasing."));
 914                if (advice_status_hints)
 915                        status_printf_ln(s, color,
 916                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
 917        } else if (split_commit_in_progress(s)) {
 918                if (state->branch)
 919                        status_printf_ln(s, color,
 920                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 921                                         state->branch,
 922                                         state->onto);
 923                else
 924                        status_printf_ln(s, color,
 925                                         _("You are currently splitting a commit during a rebase."));
 926                if (advice_status_hints)
 927                        status_printf_ln(s, color,
 928                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 929        } else {
 930                if (state->branch)
 931                        status_printf_ln(s, color,
 932                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 933                                         state->branch,
 934                                         state->onto);
 935                else
 936                        status_printf_ln(s, color,
 937                                         _("You are currently editing a commit during a rebase."));
 938                if (advice_status_hints && !s->amend) {
 939                        status_printf_ln(s, color,
 940                                _("  (use \"git commit --amend\" to amend the current commit)"));
 941                        status_printf_ln(s, color,
 942                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 943                }
 944        }
 945        wt_status_print_trailer(s);
 946}
 947
 948static void show_cherry_pick_in_progress(struct wt_status *s,
 949                                        struct wt_status_state *state,
 950                                        const char *color)
 951{
 952        status_printf_ln(s, color, _("You are currently cherry-picking."));
 953        if (advice_status_hints) {
 954                if (has_unmerged(s))
 955                        status_printf_ln(s, color,
 956                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
 957                else
 958                        status_printf_ln(s, color,
 959                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
 960                status_printf_ln(s, color,
 961                        _("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
 962        }
 963        wt_status_print_trailer(s);
 964}
 965
 966static void show_revert_in_progress(struct wt_status *s,
 967                                        struct wt_status_state *state,
 968                                        const char *color)
 969{
 970        status_printf_ln(s, color, _("You are currently reverting commit %s."),
 971                         find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
 972        if (advice_status_hints) {
 973                if (has_unmerged(s))
 974                        status_printf_ln(s, color,
 975                                _("  (fix conflicts and run \"git revert --continue\")"));
 976                else
 977                        status_printf_ln(s, color,
 978                                _("  (all conflicts fixed: run \"git revert --continue\")"));
 979                status_printf_ln(s, color,
 980                        _("  (use \"git revert --abort\" to cancel the revert operation)"));
 981        }
 982        wt_status_print_trailer(s);
 983}
 984
 985static void show_bisect_in_progress(struct wt_status *s,
 986                                struct wt_status_state *state,
 987                                const char *color)
 988{
 989        if (state->branch)
 990                status_printf_ln(s, color,
 991                                 _("You are currently bisecting, started from branch '%s'."),
 992                                 state->branch);
 993        else
 994                status_printf_ln(s, color,
 995                                 _("You are currently bisecting."));
 996        if (advice_status_hints)
 997                status_printf_ln(s, color,
 998                        _("  (use \"git bisect reset\" to get back to the original branch)"));
 999        wt_status_print_trailer(s);
1000}
1001
1002/*
1003 * Extract branch information from rebase/bisect
1004 */
1005static char *read_and_strip_branch(const char *path)
1006{
1007        struct strbuf sb = STRBUF_INIT;
1008        unsigned char sha1[20];
1009
1010        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
1011                goto got_nothing;
1012
1013        while (&sb.len && sb.buf[sb.len - 1] == '\n')
1014                strbuf_setlen(&sb, sb.len - 1);
1015        if (!sb.len)
1016                goto got_nothing;
1017        if (!prefixcmp(sb.buf, "refs/heads/"))
1018                strbuf_remove(&sb,0, strlen("refs/heads/"));
1019        else if (!prefixcmp(sb.buf, "refs/"))
1020                ;
1021        else if (!get_sha1_hex(sb.buf, sha1)) {
1022                const char *abbrev;
1023                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
1024                strbuf_reset(&sb);
1025                strbuf_addstr(&sb, abbrev);
1026        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
1027                goto got_nothing;
1028        else                    /* bisect */
1029                ;
1030        return strbuf_detach(&sb, NULL);
1031
1032got_nothing:
1033        strbuf_release(&sb);
1034        return NULL;
1035}
1036
1037struct grab_1st_switch_cbdata {
1038        struct strbuf buf;
1039        unsigned char nsha1[20];
1040};
1041
1042static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1043                           const char *email, unsigned long timestamp, int tz,
1044                           const char *message, void *cb_data)
1045{
1046        struct grab_1st_switch_cbdata *cb = cb_data;
1047        const char *target = NULL, *end;
1048
1049        if (prefixcmp(message, "checkout: moving from "))
1050                return 0;
1051        message += strlen("checkout: moving from ");
1052        target = strstr(message, " to ");
1053        if (!target)
1054                return 0;
1055        target += strlen(" to ");
1056        strbuf_reset(&cb->buf);
1057        hashcpy(cb->nsha1, nsha1);
1058        for (end = target; *end && *end != '\n'; end++)
1059                ;
1060        strbuf_add(&cb->buf, target, end - target);
1061        return 1;
1062}
1063
1064static void wt_status_get_detached_from(struct wt_status_state *state)
1065{
1066        struct grab_1st_switch_cbdata cb;
1067        struct commit *commit;
1068        unsigned char sha1[20];
1069        char *ref = NULL;
1070
1071        strbuf_init(&cb.buf, 0);
1072        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1073                strbuf_release(&cb.buf);
1074                return;
1075        }
1076
1077        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1078            /* sha1 is a commit? match without further lookup */
1079            (!hashcmp(cb.nsha1, sha1) ||
1080             /* perhaps sha1 is a tag, try to dereference to a commit */
1081             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1082              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1083                int ofs;
1084                if (!prefixcmp(ref, "refs/tags/"))
1085                        ofs = strlen("refs/tags/");
1086                else if (!prefixcmp(ref, "refs/remotes/"))
1087                        ofs = strlen("refs/remotes/");
1088                else
1089                        ofs = 0;
1090                state->detached_from = xstrdup(ref + ofs);
1091        } else
1092                state->detached_from =
1093                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1094        hashcpy(state->detached_sha1, cb.nsha1);
1095
1096        free(ref);
1097        strbuf_release(&cb.buf);
1098}
1099
1100void wt_status_get_state(struct wt_status_state *state,
1101                         int get_detached_from)
1102{
1103        struct stat st;
1104        unsigned char sha1[20];
1105
1106        if (!stat(git_path("MERGE_HEAD"), &st)) {
1107                state->merge_in_progress = 1;
1108        } else if (!stat(git_path("rebase-apply"), &st)) {
1109                if (!stat(git_path("rebase-apply/applying"), &st)) {
1110                        state->am_in_progress = 1;
1111                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1112                                state->am_empty_patch = 1;
1113                } else {
1114                        state->rebase_in_progress = 1;
1115                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1116                        state->onto = read_and_strip_branch("rebase-apply/onto");
1117                }
1118        } else if (!stat(git_path("rebase-merge"), &st)) {
1119                if (!stat(git_path("rebase-merge/interactive"), &st))
1120                        state->rebase_interactive_in_progress = 1;
1121                else
1122                        state->rebase_in_progress = 1;
1123                state->branch = read_and_strip_branch("rebase-merge/head-name");
1124                state->onto = read_and_strip_branch("rebase-merge/onto");
1125        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
1126                state->cherry_pick_in_progress = 1;
1127        }
1128        if (!stat(git_path("BISECT_LOG"), &st)) {
1129                state->bisect_in_progress = 1;
1130                state->branch = read_and_strip_branch("BISECT_START");
1131        }
1132        if (!stat(git_path("REVERT_HEAD"), &st) &&
1133            !get_sha1("REVERT_HEAD", sha1)) {
1134                state->revert_in_progress = 1;
1135                hashcpy(state->revert_head_sha1, sha1);
1136        }
1137
1138        if (get_detached_from)
1139                wt_status_get_detached_from(state);
1140}
1141
1142static void wt_status_print_state(struct wt_status *s,
1143                                  struct wt_status_state *state)
1144{
1145        const char *state_color = color(WT_STATUS_HEADER, s);
1146        if (state->merge_in_progress)
1147                show_merge_in_progress(s, state, state_color);
1148        else if (state->am_in_progress)
1149                show_am_in_progress(s, state, state_color);
1150        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1151                show_rebase_in_progress(s, state, state_color);
1152        else if (state->cherry_pick_in_progress)
1153                show_cherry_pick_in_progress(s, state, state_color);
1154        else if (state->revert_in_progress)
1155                show_revert_in_progress(s, state, state_color);
1156        if (state->bisect_in_progress)
1157                show_bisect_in_progress(s, state, state_color);
1158}
1159
1160void wt_status_print(struct wt_status *s)
1161{
1162        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1163        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1164        struct wt_status_state state;
1165
1166        memset(&state, 0, sizeof(state));
1167        wt_status_get_state(&state,
1168                            s->branch && !strcmp(s->branch, "HEAD"));
1169
1170        if (s->branch) {
1171                const char *on_what = _("On branch ");
1172                const char *branch_name = s->branch;
1173                if (!prefixcmp(branch_name, "refs/heads/"))
1174                        branch_name += 11;
1175                else if (!strcmp(branch_name, "HEAD")) {
1176                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1177                        if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
1178                                on_what = _("rebase in progress; onto ");
1179                                branch_name = state.onto;
1180                        } else if (state.detached_from) {
1181                                unsigned char sha1[20];
1182                                branch_name = state.detached_from;
1183                                if (!get_sha1("HEAD", sha1) &&
1184                                    !hashcmp(sha1, state.detached_sha1))
1185                                        on_what = _("HEAD detached at ");
1186                                else
1187                                        on_what = _("HEAD detached from ");
1188                        } else {
1189                                branch_name = "";
1190                                on_what = _("Not currently on any branch.");
1191                        }
1192                }
1193                status_printf(s, color(WT_STATUS_HEADER, s), "");
1194                status_printf_more(s, branch_status_color, "%s", on_what);
1195                status_printf_more(s, branch_color, "%s\n", branch_name);
1196                if (!s->is_initial)
1197                        wt_status_print_tracking(s);
1198        }
1199
1200        wt_status_print_state(s, &state);
1201        free(state.branch);
1202        free(state.onto);
1203        free(state.detached_from);
1204
1205        if (s->is_initial) {
1206                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1207                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1208                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1209        }
1210
1211        wt_status_print_updated(s);
1212        wt_status_print_unmerged(s);
1213        wt_status_print_changed(s);
1214        if (s->submodule_summary &&
1215            (!s->ignore_submodule_arg ||
1216             strcmp(s->ignore_submodule_arg, "all"))) {
1217                wt_status_print_submodule_summary(s, 0);  /* staged */
1218                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1219        }
1220        if (s->show_untracked_files) {
1221                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1222                if (s->show_ignored_files)
1223                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1224                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
1225                        status_printf_ln(s, GIT_COLOR_NORMAL, "");
1226                        status_printf_ln(s, GIT_COLOR_NORMAL,
1227                                         _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
1228                                           "may speed it up, but you have to be careful not to forget to add\n"
1229                                           "new files yourself (see 'git help status')."),
1230                                         s->untracked_in_ms / 1000.0);
1231                }
1232        } else if (s->commitable)
1233                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1234                        advice_status_hints
1235                        ? _(" (use -u option to show untracked files)") : "");
1236
1237        if (s->verbose)
1238                wt_status_print_verbose(s);
1239        if (!s->commitable) {
1240                if (s->amend)
1241                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1242                else if (s->nowarn)
1243                        ; /* nothing */
1244                else if (s->workdir_dirty) {
1245                        if (advice_status_hints)
1246                                printf(_("no changes added to commit "
1247                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1248                        else
1249                                printf(_("no changes added to commit\n"));
1250                } else if (s->untracked.nr) {
1251                        if (advice_status_hints)
1252                                printf(_("nothing added to commit but untracked files "
1253                                         "present (use \"git add\" to track)\n"));
1254                        else
1255                                printf(_("nothing added to commit but untracked files present\n"));
1256                } else if (s->is_initial) {
1257                        if (advice_status_hints)
1258                                printf(_("nothing to commit (create/copy files "
1259                                         "and use \"git add\" to track)\n"));
1260                        else
1261                                printf(_("nothing to commit\n"));
1262                } else if (!s->show_untracked_files) {
1263                        if (advice_status_hints)
1264                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1265                        else
1266                                printf(_("nothing to commit\n"));
1267                } else
1268                        printf(_("nothing to commit, working directory clean\n"));
1269        }
1270}
1271
1272static void wt_shortstatus_unmerged(struct string_list_item *it,
1273                           struct wt_status *s)
1274{
1275        struct wt_status_change_data *d = it->util;
1276        const char *how = "??";
1277
1278        switch (d->stagemask) {
1279        case 1: how = "DD"; break; /* both deleted */
1280        case 2: how = "AU"; break; /* added by us */
1281        case 3: how = "UD"; break; /* deleted by them */
1282        case 4: how = "UA"; break; /* added by them */
1283        case 5: how = "DU"; break; /* deleted by us */
1284        case 6: how = "AA"; break; /* both added */
1285        case 7: how = "UU"; break; /* both modified */
1286        }
1287        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1288        if (s->null_termination) {
1289                fprintf(stdout, " %s%c", it->string, 0);
1290        } else {
1291                struct strbuf onebuf = STRBUF_INIT;
1292                const char *one;
1293                one = quote_path(it->string, s->prefix, &onebuf);
1294                printf(" %s\n", one);
1295                strbuf_release(&onebuf);
1296        }
1297}
1298
1299static void wt_shortstatus_status(struct string_list_item *it,
1300                         struct wt_status *s)
1301{
1302        struct wt_status_change_data *d = it->util;
1303
1304        if (d->index_status)
1305                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1306        else
1307                putchar(' ');
1308        if (d->worktree_status)
1309                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1310        else
1311                putchar(' ');
1312        putchar(' ');
1313        if (s->null_termination) {
1314                fprintf(stdout, "%s%c", it->string, 0);
1315                if (d->head_path)
1316                        fprintf(stdout, "%s%c", d->head_path, 0);
1317        } else {
1318                struct strbuf onebuf = STRBUF_INIT;
1319                const char *one;
1320                if (d->head_path) {
1321                        one = quote_path(d->head_path, s->prefix, &onebuf);
1322                        if (*one != '"' && strchr(one, ' ') != NULL) {
1323                                putchar('"');
1324                                strbuf_addch(&onebuf, '"');
1325                                one = onebuf.buf;
1326                        }
1327                        printf("%s -> ", one);
1328                        strbuf_release(&onebuf);
1329                }
1330                one = quote_path(it->string, s->prefix, &onebuf);
1331                if (*one != '"' && strchr(one, ' ') != NULL) {
1332                        putchar('"');
1333                        strbuf_addch(&onebuf, '"');
1334                        one = onebuf.buf;
1335                }
1336                printf("%s\n", one);
1337                strbuf_release(&onebuf);
1338        }
1339}
1340
1341static void wt_shortstatus_other(struct string_list_item *it,
1342                                 struct wt_status *s, const char *sign)
1343{
1344        if (s->null_termination) {
1345                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1346        } else {
1347                struct strbuf onebuf = STRBUF_INIT;
1348                const char *one;
1349                one = quote_path(it->string, s->prefix, &onebuf);
1350                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1351                printf(" %s\n", one);
1352                strbuf_release(&onebuf);
1353        }
1354}
1355
1356static void wt_shortstatus_print_tracking(struct wt_status *s)
1357{
1358        struct branch *branch;
1359        const char *header_color = color(WT_STATUS_HEADER, s);
1360        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1361        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1362
1363        const char *base;
1364        const char *branch_name;
1365        int num_ours, num_theirs;
1366
1367        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1368
1369        if (!s->branch)
1370                return;
1371        branch_name = s->branch;
1372
1373        if (!prefixcmp(branch_name, "refs/heads/"))
1374                branch_name += 11;
1375        else if (!strcmp(branch_name, "HEAD")) {
1376                branch_name = _("HEAD (no branch)");
1377                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1378        }
1379
1380        branch = branch_get(s->branch + 11);
1381        if (s->is_initial)
1382                color_fprintf(s->fp, header_color, _("Initial commit on "));
1383        if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
1384                color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1385                fputc(s->null_termination ? '\0' : '\n', s->fp);
1386                return;
1387        }
1388
1389        base = branch->merge[0]->dst;
1390        base = shorten_unambiguous_ref(base, 0);
1391        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1392        color_fprintf(s->fp, header_color, "...");
1393        color_fprintf(s->fp, branch_color_remote, "%s", base);
1394
1395        color_fprintf(s->fp, header_color, " [");
1396        if (!num_ours) {
1397                color_fprintf(s->fp, header_color, _("behind "));
1398                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1399        } else if (!num_theirs) {
1400                color_fprintf(s->fp, header_color, _("ahead "));
1401                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1402        } else {
1403                color_fprintf(s->fp, header_color, _("ahead "));
1404                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1405                color_fprintf(s->fp, header_color, _(", behind "));
1406                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1407        }
1408
1409        color_fprintf(s->fp, header_color, "]");
1410        fputc(s->null_termination ? '\0' : '\n', s->fp);
1411}
1412
1413void wt_shortstatus_print(struct wt_status *s)
1414{
1415        int i;
1416
1417        if (s->show_branch)
1418                wt_shortstatus_print_tracking(s);
1419
1420        for (i = 0; i < s->change.nr; i++) {
1421                struct wt_status_change_data *d;
1422                struct string_list_item *it;
1423
1424                it = &(s->change.items[i]);
1425                d = it->util;
1426                if (d->stagemask)
1427                        wt_shortstatus_unmerged(it, s);
1428                else
1429                        wt_shortstatus_status(it, s);
1430        }
1431        for (i = 0; i < s->untracked.nr; i++) {
1432                struct string_list_item *it;
1433
1434                it = &(s->untracked.items[i]);
1435                wt_shortstatus_other(it, s, "??");
1436        }
1437        for (i = 0; i < s->ignored.nr; i++) {
1438                struct string_list_item *it;
1439
1440                it = &(s->ignored.items[i]);
1441                wt_shortstatus_other(it, s, "!!");
1442        }
1443}
1444
1445void wt_porcelain_print(struct wt_status *s)
1446{
1447        s->use_color = 0;
1448        s->relative_paths = 0;
1449        s->prefix = NULL;
1450        wt_shortstatus_print(s);
1451}