wt-status.con commit status: show more info than "currently not on any branch" (b397ea4)
   1#include "cache.h"
   2#include "wt-status.h"
   3#include "object.h"
   4#include "dir.h"
   5#include "commit.h"
   6#include "diff.h"
   7#include "revision.h"
   8#include "diffcore.h"
   9#include "quote.h"
  10#include "run-command.h"
  11#include "remote.h"
  12#include "refs.h"
  13#include "submodule.h"
  14#include "column.h"
  15#include "strbuf.h"
  16
  17static char default_wt_status_colors[][COLOR_MAXLEN] = {
  18        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  19        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  20        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  21        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  22        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  23        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  24        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  25        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  26        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  27};
  28
  29static const char *color(int slot, struct wt_status *s)
  30{
  31        const char *c = "";
  32        if (want_color(s->use_color))
  33                c = s->color_palette[slot];
  34        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  35                c = s->color_palette[WT_STATUS_HEADER];
  36        return c;
  37}
  38
  39static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
  40                const char *fmt, va_list ap, const char *trail)
  41{
  42        struct strbuf sb = STRBUF_INIT;
  43        struct strbuf linebuf = STRBUF_INIT;
  44        const char *line, *eol;
  45
  46        strbuf_vaddf(&sb, fmt, ap);
  47        if (!sb.len) {
  48                strbuf_addch(&sb, '#');
  49                if (!trail)
  50                        strbuf_addch(&sb, ' ');
  51                color_print_strbuf(s->fp, color, &sb);
  52                if (trail)
  53                        fprintf(s->fp, "%s", trail);
  54                strbuf_release(&sb);
  55                return;
  56        }
  57        for (line = sb.buf; *line; line = eol + 1) {
  58                eol = strchr(line, '\n');
  59
  60                strbuf_reset(&linebuf);
  61                if (at_bol) {
  62                        strbuf_addch(&linebuf, '#');
  63                        if (*line != '\n' && *line != '\t')
  64                                strbuf_addch(&linebuf, ' ');
  65                }
  66                if (eol)
  67                        strbuf_add(&linebuf, line, eol - line);
  68                else
  69                        strbuf_addstr(&linebuf, line);
  70                color_print_strbuf(s->fp, color, &linebuf);
  71                if (eol)
  72                        fprintf(s->fp, "\n");
  73                else
  74                        break;
  75                at_bol = 1;
  76        }
  77        if (trail)
  78                fprintf(s->fp, "%s", trail);
  79        strbuf_release(&linebuf);
  80        strbuf_release(&sb);
  81}
  82
  83void status_printf_ln(struct wt_status *s, const char *color,
  84                        const char *fmt, ...)
  85{
  86        va_list ap;
  87
  88        va_start(ap, fmt);
  89        status_vprintf(s, 1, color, fmt, ap, "\n");
  90        va_end(ap);
  91}
  92
  93void status_printf(struct wt_status *s, const char *color,
  94                        const char *fmt, ...)
  95{
  96        va_list ap;
  97
  98        va_start(ap, fmt);
  99        status_vprintf(s, 1, color, fmt, ap, NULL);
 100        va_end(ap);
 101}
 102
 103static void status_printf_more(struct wt_status *s, const char *color,
 104                               const char *fmt, ...)
 105{
 106        va_list ap;
 107
 108        va_start(ap, fmt);
 109        status_vprintf(s, 0, color, fmt, ap, NULL);
 110        va_end(ap);
 111}
 112
 113void wt_status_prepare(struct wt_status *s)
 114{
 115        unsigned char sha1[20];
 116
 117        memset(s, 0, sizeof(*s));
 118        memcpy(s->color_palette, default_wt_status_colors,
 119               sizeof(default_wt_status_colors));
 120        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 121        s->use_color = -1;
 122        s->relative_paths = 1;
 123        s->branch = resolve_refdup("HEAD", sha1, 0, NULL);
 124        s->reference = "HEAD";
 125        s->fp = stdout;
 126        s->index_file = get_index_file();
 127        s->change.strdup_strings = 1;
 128        s->untracked.strdup_strings = 1;
 129        s->ignored.strdup_strings = 1;
 130}
 131
 132static void wt_status_print_unmerged_header(struct wt_status *s)
 133{
 134        int i;
 135        int del_mod_conflict = 0;
 136        int both_deleted = 0;
 137        int not_deleted = 0;
 138        const char *c = color(WT_STATUS_HEADER, s);
 139
 140        status_printf_ln(s, c, _("Unmerged paths:"));
 141
 142        for (i = 0; i < s->change.nr; i++) {
 143                struct string_list_item *it = &(s->change.items[i]);
 144                struct wt_status_change_data *d = it->util;
 145
 146                switch (d->stagemask) {
 147                case 0:
 148                        break;
 149                case 1:
 150                        both_deleted = 1;
 151                        break;
 152                case 3:
 153                case 5:
 154                        del_mod_conflict = 1;
 155                        break;
 156                default:
 157                        not_deleted = 1;
 158                        break;
 159                }
 160        }
 161
 162        if (!advice_status_hints)
 163                return;
 164        if (s->whence != FROM_COMMIT)
 165                ;
 166        else if (!s->is_initial)
 167                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 168        else
 169                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 170
 171        if (!both_deleted) {
 172                if (!del_mod_conflict)
 173                        status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
 174                else
 175                        status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 176        } else if (!del_mod_conflict && !not_deleted) {
 177                status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
 178        } else {
 179                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
 180        }
 181        status_printf_ln(s, c, "");
 182}
 183
 184static void wt_status_print_cached_header(struct wt_status *s)
 185{
 186        const char *c = color(WT_STATUS_HEADER, s);
 187
 188        status_printf_ln(s, c, _("Changes to be committed:"));
 189        if (!advice_status_hints)
 190                return;
 191        if (s->whence != FROM_COMMIT)
 192                ; /* NEEDSWORK: use "git reset --unresolve"??? */
 193        else if (!s->is_initial)
 194                status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
 195        else
 196                status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
 197        status_printf_ln(s, c, "");
 198}
 199
 200static void wt_status_print_dirty_header(struct wt_status *s,
 201                                         int has_deleted,
 202                                         int has_dirty_submodules)
 203{
 204        const char *c = color(WT_STATUS_HEADER, s);
 205
 206        status_printf_ln(s, c, _("Changes not staged for commit:"));
 207        if (!advice_status_hints)
 208                return;
 209        if (!has_deleted)
 210                status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 211        else
 212                status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
 213        status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
 214        if (has_dirty_submodules)
 215                status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
 216        status_printf_ln(s, c, "");
 217}
 218
 219static void wt_status_print_other_header(struct wt_status *s,
 220                                         const char *what,
 221                                         const char *how)
 222{
 223        const char *c = color(WT_STATUS_HEADER, s);
 224        status_printf_ln(s, c, "%s:", what);
 225        if (!advice_status_hints)
 226                return;
 227        status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
 228        status_printf_ln(s, c, "");
 229}
 230
 231static void wt_status_print_trailer(struct wt_status *s)
 232{
 233        status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 234}
 235
 236#define quote_path quote_path_relative
 237
 238static void wt_status_print_unmerged_data(struct wt_status *s,
 239                                          struct string_list_item *it)
 240{
 241        const char *c = color(WT_STATUS_UNMERGED, s);
 242        struct wt_status_change_data *d = it->util;
 243        struct strbuf onebuf = STRBUF_INIT;
 244        const char *one, *how = _("bug");
 245
 246        one = quote_path(it->string, -1, &onebuf, s->prefix);
 247        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 248        switch (d->stagemask) {
 249        case 1: how = _("both deleted:"); break;
 250        case 2: how = _("added by us:"); break;
 251        case 3: how = _("deleted by them:"); break;
 252        case 4: how = _("added by them:"); break;
 253        case 5: how = _("deleted by us:"); break;
 254        case 6: how = _("both added:"); break;
 255        case 7: how = _("both modified:"); break;
 256        }
 257        status_printf_more(s, c, "%-20s%s\n", how, one);
 258        strbuf_release(&onebuf);
 259}
 260
 261static void wt_status_print_change_data(struct wt_status *s,
 262                                        int change_type,
 263                                        struct string_list_item *it)
 264{
 265        struct wt_status_change_data *d = it->util;
 266        const char *c = color(change_type, s);
 267        int status = status;
 268        char *one_name;
 269        char *two_name;
 270        const char *one, *two;
 271        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 272        struct strbuf extra = STRBUF_INIT;
 273
 274        one_name = two_name = it->string;
 275        switch (change_type) {
 276        case WT_STATUS_UPDATED:
 277                status = d->index_status;
 278                if (d->head_path)
 279                        one_name = d->head_path;
 280                break;
 281        case WT_STATUS_CHANGED:
 282                if (d->new_submodule_commits || d->dirty_submodule) {
 283                        strbuf_addstr(&extra, " (");
 284                        if (d->new_submodule_commits)
 285                                strbuf_addf(&extra, _("new commits, "));
 286                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 287                                strbuf_addf(&extra, _("modified content, "));
 288                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 289                                strbuf_addf(&extra, _("untracked content, "));
 290                        strbuf_setlen(&extra, extra.len - 2);
 291                        strbuf_addch(&extra, ')');
 292                }
 293                status = d->worktree_status;
 294                break;
 295        }
 296
 297        one = quote_path(one_name, -1, &onebuf, s->prefix);
 298        two = quote_path(two_name, -1, &twobuf, s->prefix);
 299
 300        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 301        switch (status) {
 302        case DIFF_STATUS_ADDED:
 303                status_printf_more(s, c, _("new file:   %s"), one);
 304                break;
 305        case DIFF_STATUS_COPIED:
 306                status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
 307                break;
 308        case DIFF_STATUS_DELETED:
 309                status_printf_more(s, c, _("deleted:    %s"), one);
 310                break;
 311        case DIFF_STATUS_MODIFIED:
 312                status_printf_more(s, c, _("modified:   %s"), one);
 313                break;
 314        case DIFF_STATUS_RENAMED:
 315                status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
 316                break;
 317        case DIFF_STATUS_TYPE_CHANGED:
 318                status_printf_more(s, c, _("typechange: %s"), one);
 319                break;
 320        case DIFF_STATUS_UNKNOWN:
 321                status_printf_more(s, c, _("unknown:    %s"), one);
 322                break;
 323        case DIFF_STATUS_UNMERGED:
 324                status_printf_more(s, c, _("unmerged:   %s"), one);
 325                break;
 326        default:
 327                die(_("bug: unhandled diff status %c"), status);
 328        }
 329        if (extra.len) {
 330                status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 331                strbuf_release(&extra);
 332        }
 333        status_printf_more(s, GIT_COLOR_NORMAL, "\n");
 334        strbuf_release(&onebuf);
 335        strbuf_release(&twobuf);
 336}
 337
 338static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 339                                         struct diff_options *options,
 340                                         void *data)
 341{
 342        struct wt_status *s = data;
 343        int i;
 344
 345        if (!q->nr)
 346                return;
 347        s->workdir_dirty = 1;
 348        for (i = 0; i < q->nr; i++) {
 349                struct diff_filepair *p;
 350                struct string_list_item *it;
 351                struct wt_status_change_data *d;
 352
 353                p = q->queue[i];
 354                it = string_list_insert(&s->change, p->one->path);
 355                d = it->util;
 356                if (!d) {
 357                        d = xcalloc(1, sizeof(*d));
 358                        it->util = d;
 359                }
 360                if (!d->worktree_status)
 361                        d->worktree_status = p->status;
 362                d->dirty_submodule = p->two->dirty_submodule;
 363                if (S_ISGITLINK(p->two->mode))
 364                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 365        }
 366}
 367
 368static int unmerged_mask(const char *path)
 369{
 370        int pos, mask;
 371        struct cache_entry *ce;
 372
 373        pos = cache_name_pos(path, strlen(path));
 374        if (0 <= pos)
 375                return 0;
 376
 377        mask = 0;
 378        pos = -pos-1;
 379        while (pos < active_nr) {
 380                ce = active_cache[pos++];
 381                if (strcmp(ce->name, path) || !ce_stage(ce))
 382                        break;
 383                mask |= (1 << (ce_stage(ce) - 1));
 384        }
 385        return mask;
 386}
 387
 388static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 389                                         struct diff_options *options,
 390                                         void *data)
 391{
 392        struct wt_status *s = data;
 393        int i;
 394
 395        for (i = 0; i < q->nr; i++) {
 396                struct diff_filepair *p;
 397                struct string_list_item *it;
 398                struct wt_status_change_data *d;
 399
 400                p = q->queue[i];
 401                it = string_list_insert(&s->change, p->two->path);
 402                d = it->util;
 403                if (!d) {
 404                        d = xcalloc(1, sizeof(*d));
 405                        it->util = d;
 406                }
 407                if (!d->index_status)
 408                        d->index_status = p->status;
 409                switch (p->status) {
 410                case DIFF_STATUS_COPIED:
 411                case DIFF_STATUS_RENAMED:
 412                        d->head_path = xstrdup(p->one->path);
 413                        break;
 414                case DIFF_STATUS_UNMERGED:
 415                        d->stagemask = unmerged_mask(p->two->path);
 416                        break;
 417                }
 418        }
 419}
 420
 421static void wt_status_collect_changes_worktree(struct wt_status *s)
 422{
 423        struct rev_info rev;
 424
 425        init_revisions(&rev, NULL);
 426        setup_revisions(0, NULL, &rev, NULL);
 427        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 428        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 429        if (!s->show_untracked_files)
 430                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 431        if (s->ignore_submodule_arg) {
 432                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 433                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 434        }
 435        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 436        rev.diffopt.format_callback_data = s;
 437        init_pathspec(&rev.prune_data, s->pathspec);
 438        run_diff_files(&rev, 0);
 439}
 440
 441static void wt_status_collect_changes_index(struct wt_status *s)
 442{
 443        struct rev_info rev;
 444        struct setup_revision_opt opt;
 445
 446        init_revisions(&rev, NULL);
 447        memset(&opt, 0, sizeof(opt));
 448        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 449        setup_revisions(0, NULL, &rev, &opt);
 450
 451        if (s->ignore_submodule_arg) {
 452                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 453                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 454        }
 455
 456        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 457        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 458        rev.diffopt.format_callback_data = s;
 459        rev.diffopt.detect_rename = 1;
 460        rev.diffopt.rename_limit = 200;
 461        rev.diffopt.break_opt = 0;
 462        init_pathspec(&rev.prune_data, s->pathspec);
 463        run_diff_index(&rev, 1);
 464}
 465
 466static void wt_status_collect_changes_initial(struct wt_status *s)
 467{
 468        struct pathspec pathspec;
 469        int i;
 470
 471        init_pathspec(&pathspec, s->pathspec);
 472        for (i = 0; i < active_nr; i++) {
 473                struct string_list_item *it;
 474                struct wt_status_change_data *d;
 475                struct cache_entry *ce = active_cache[i];
 476
 477                if (!ce_path_match(ce, &pathspec))
 478                        continue;
 479                it = string_list_insert(&s->change, ce->name);
 480                d = it->util;
 481                if (!d) {
 482                        d = xcalloc(1, sizeof(*d));
 483                        it->util = d;
 484                }
 485                if (ce_stage(ce)) {
 486                        d->index_status = DIFF_STATUS_UNMERGED;
 487                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 488                }
 489                else
 490                        d->index_status = DIFF_STATUS_ADDED;
 491        }
 492        free_pathspec(&pathspec);
 493}
 494
 495static void wt_status_collect_untracked(struct wt_status *s)
 496{
 497        int i;
 498        struct dir_struct dir;
 499
 500        if (!s->show_untracked_files)
 501                return;
 502        memset(&dir, 0, sizeof(dir));
 503        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 504                dir.flags |=
 505                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 506        setup_standard_excludes(&dir);
 507
 508        fill_directory(&dir, s->pathspec);
 509        for (i = 0; i < dir.nr; i++) {
 510                struct dir_entry *ent = dir.entries[i];
 511                if (cache_name_is_other(ent->name, ent->len) &&
 512                    match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 513                        string_list_insert(&s->untracked, ent->name);
 514                free(ent);
 515        }
 516
 517        if (s->show_ignored_files) {
 518                dir.nr = 0;
 519                dir.flags = DIR_SHOW_IGNORED;
 520                if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 521                        dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
 522                fill_directory(&dir, s->pathspec);
 523                for (i = 0; i < dir.nr; i++) {
 524                        struct dir_entry *ent = dir.entries[i];
 525                        if (cache_name_is_other(ent->name, ent->len) &&
 526                            match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 527                                string_list_insert(&s->ignored, ent->name);
 528                        free(ent);
 529                }
 530        }
 531
 532        free(dir.entries);
 533}
 534
 535void wt_status_collect(struct wt_status *s)
 536{
 537        wt_status_collect_changes_worktree(s);
 538
 539        if (s->is_initial)
 540                wt_status_collect_changes_initial(s);
 541        else
 542                wt_status_collect_changes_index(s);
 543        wt_status_collect_untracked(s);
 544}
 545
 546static void wt_status_print_unmerged(struct wt_status *s)
 547{
 548        int shown_header = 0;
 549        int i;
 550
 551        for (i = 0; i < s->change.nr; i++) {
 552                struct wt_status_change_data *d;
 553                struct string_list_item *it;
 554                it = &(s->change.items[i]);
 555                d = it->util;
 556                if (!d->stagemask)
 557                        continue;
 558                if (!shown_header) {
 559                        wt_status_print_unmerged_header(s);
 560                        shown_header = 1;
 561                }
 562                wt_status_print_unmerged_data(s, it);
 563        }
 564        if (shown_header)
 565                wt_status_print_trailer(s);
 566
 567}
 568
 569static void wt_status_print_updated(struct wt_status *s)
 570{
 571        int shown_header = 0;
 572        int i;
 573
 574        for (i = 0; i < s->change.nr; i++) {
 575                struct wt_status_change_data *d;
 576                struct string_list_item *it;
 577                it = &(s->change.items[i]);
 578                d = it->util;
 579                if (!d->index_status ||
 580                    d->index_status == DIFF_STATUS_UNMERGED)
 581                        continue;
 582                if (!shown_header) {
 583                        wt_status_print_cached_header(s);
 584                        s->commitable = 1;
 585                        shown_header = 1;
 586                }
 587                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 588        }
 589        if (shown_header)
 590                wt_status_print_trailer(s);
 591}
 592
 593/*
 594 * -1 : has delete
 595 *  0 : no change
 596 *  1 : some change but no delete
 597 */
 598static int wt_status_check_worktree_changes(struct wt_status *s,
 599                                             int *dirty_submodules)
 600{
 601        int i;
 602        int changes = 0;
 603
 604        *dirty_submodules = 0;
 605
 606        for (i = 0; i < s->change.nr; i++) {
 607                struct wt_status_change_data *d;
 608                d = s->change.items[i].util;
 609                if (!d->worktree_status ||
 610                    d->worktree_status == DIFF_STATUS_UNMERGED)
 611                        continue;
 612                if (!changes)
 613                        changes = 1;
 614                if (d->dirty_submodule)
 615                        *dirty_submodules = 1;
 616                if (d->worktree_status == DIFF_STATUS_DELETED)
 617                        changes = -1;
 618        }
 619        return changes;
 620}
 621
 622static void wt_status_print_changed(struct wt_status *s)
 623{
 624        int i, dirty_submodules;
 625        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 626
 627        if (!worktree_changes)
 628                return;
 629
 630        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 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->worktree_status ||
 638                    d->worktree_status == DIFF_STATUS_UNMERGED)
 639                        continue;
 640                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 641        }
 642        wt_status_print_trailer(s);
 643}
 644
 645static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 646{
 647        struct child_process sm_summary;
 648        char summary_limit[64];
 649        char index[PATH_MAX];
 650        const char *env[] = { NULL, NULL };
 651        const char *argv[8];
 652
 653        env[0] =        index;
 654        argv[0] =       "submodule";
 655        argv[1] =       "summary";
 656        argv[2] =       uncommitted ? "--files" : "--cached";
 657        argv[3] =       "--for-status";
 658        argv[4] =       "--summary-limit";
 659        argv[5] =       summary_limit;
 660        argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 661        argv[7] =       NULL;
 662
 663        sprintf(summary_limit, "%d", s->submodule_summary);
 664        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 665
 666        memset(&sm_summary, 0, sizeof(sm_summary));
 667        sm_summary.argv = argv;
 668        sm_summary.env = env;
 669        sm_summary.git_cmd = 1;
 670        sm_summary.no_stdin = 1;
 671        fflush(s->fp);
 672        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 673        run_command(&sm_summary);
 674}
 675
 676static void wt_status_print_other(struct wt_status *s,
 677                                  struct string_list *l,
 678                                  const char *what,
 679                                  const char *how)
 680{
 681        int i;
 682        struct strbuf buf = STRBUF_INIT;
 683        static struct string_list output = STRING_LIST_INIT_DUP;
 684        struct column_options copts;
 685
 686        if (!l->nr)
 687                return;
 688
 689        wt_status_print_other_header(s, what, how);
 690
 691        for (i = 0; i < l->nr; i++) {
 692                struct string_list_item *it;
 693                const char *path;
 694                it = &(l->items[i]);
 695                path = quote_path(it->string, strlen(it->string),
 696                                  &buf, s->prefix);
 697                if (column_active(s->colopts)) {
 698                        string_list_append(&output, path);
 699                        continue;
 700                }
 701                status_printf(s, color(WT_STATUS_HEADER, s), "\t");
 702                status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
 703                                   "%s\n", path);
 704        }
 705
 706        strbuf_release(&buf);
 707        if (!column_active(s->colopts))
 708                return;
 709
 710        strbuf_addf(&buf, "%s#\t%s",
 711                    color(WT_STATUS_HEADER, s),
 712                    color(WT_STATUS_UNTRACKED, s));
 713        memset(&copts, 0, sizeof(copts));
 714        copts.padding = 1;
 715        copts.indent = buf.buf;
 716        if (want_color(s->use_color))
 717                copts.nl = GIT_COLOR_RESET "\n";
 718        print_columns(&output, s->colopts, &copts);
 719        string_list_clear(&output, 0);
 720        strbuf_release(&buf);
 721}
 722
 723static void wt_status_print_verbose(struct wt_status *s)
 724{
 725        struct rev_info rev;
 726        struct setup_revision_opt opt;
 727
 728        init_revisions(&rev, NULL);
 729        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 730
 731        memset(&opt, 0, sizeof(opt));
 732        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 733        setup_revisions(0, NULL, &rev, &opt);
 734
 735        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 736        rev.diffopt.detect_rename = 1;
 737        rev.diffopt.file = s->fp;
 738        rev.diffopt.close_file = 0;
 739        /*
 740         * If we're not going to stdout, then we definitely don't
 741         * want color, since we are going to the commit message
 742         * file (and even the "auto" setting won't work, since it
 743         * will have checked isatty on stdout).
 744         */
 745        if (s->fp != stdout)
 746                rev.diffopt.use_color = 0;
 747        run_diff_index(&rev, 1);
 748}
 749
 750static void wt_status_print_tracking(struct wt_status *s)
 751{
 752        struct strbuf sb = STRBUF_INIT;
 753        const char *cp, *ep;
 754        struct branch *branch;
 755
 756        assert(s->branch && !s->is_initial);
 757        if (prefixcmp(s->branch, "refs/heads/"))
 758                return;
 759        branch = branch_get(s->branch + 11);
 760        if (!format_tracking_info(branch, &sb))
 761                return;
 762
 763        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 764                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 765                                 "# %.*s", (int)(ep - cp), cp);
 766        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 767}
 768
 769static int has_unmerged(struct wt_status *s)
 770{
 771        int i;
 772
 773        for (i = 0; i < s->change.nr; i++) {
 774                struct wt_status_change_data *d;
 775                d = s->change.items[i].util;
 776                if (d->stagemask)
 777                        return 1;
 778        }
 779        return 0;
 780}
 781
 782static void show_merge_in_progress(struct wt_status *s,
 783                                struct wt_status_state *state,
 784                                const char *color)
 785{
 786        if (has_unmerged(s)) {
 787                status_printf_ln(s, color, _("You have unmerged paths."));
 788                if (advice_status_hints)
 789                        status_printf_ln(s, color,
 790                                _("  (fix conflicts and run \"git commit\")"));
 791        } else {
 792                status_printf_ln(s, color,
 793                        _("All conflicts fixed but you are still merging."));
 794                if (advice_status_hints)
 795                        status_printf_ln(s, color,
 796                                _("  (use \"git commit\" to conclude merge)"));
 797        }
 798        wt_status_print_trailer(s);
 799}
 800
 801static void show_am_in_progress(struct wt_status *s,
 802                                struct wt_status_state *state,
 803                                const char *color)
 804{
 805        status_printf_ln(s, color,
 806                _("You are in the middle of an am session."));
 807        if (state->am_empty_patch)
 808                status_printf_ln(s, color,
 809                        _("The current patch is empty."));
 810        if (advice_status_hints) {
 811                if (!state->am_empty_patch)
 812                        status_printf_ln(s, color,
 813                                _("  (fix conflicts and then run \"git am --resolved\")"));
 814                status_printf_ln(s, color,
 815                        _("  (use \"git am --skip\" to skip this patch)"));
 816                status_printf_ln(s, color,
 817                        _("  (use \"git am --abort\" to restore the original branch)"));
 818        }
 819        wt_status_print_trailer(s);
 820}
 821
 822static char *read_line_from_git_path(const char *filename)
 823{
 824        struct strbuf buf = STRBUF_INIT;
 825        FILE *fp = fopen(git_path("%s", filename), "r");
 826        if (!fp) {
 827                strbuf_release(&buf);
 828                return NULL;
 829        }
 830        strbuf_getline(&buf, fp, '\n');
 831        if (!fclose(fp)) {
 832                return strbuf_detach(&buf, NULL);
 833        } else {
 834                strbuf_release(&buf);
 835                return NULL;
 836        }
 837}
 838
 839static int split_commit_in_progress(struct wt_status *s)
 840{
 841        int split_in_progress = 0;
 842        char *head = read_line_from_git_path("HEAD");
 843        char *orig_head = read_line_from_git_path("ORIG_HEAD");
 844        char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
 845        char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
 846
 847        if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
 848            !s->branch || strcmp(s->branch, "HEAD"))
 849                return split_in_progress;
 850
 851        if (!strcmp(rebase_amend, rebase_orig_head)) {
 852                if (strcmp(head, rebase_amend))
 853                        split_in_progress = 1;
 854        } else if (strcmp(orig_head, rebase_orig_head)) {
 855                split_in_progress = 1;
 856        }
 857
 858        if (!s->amend && !s->nowarn && !s->workdir_dirty)
 859                split_in_progress = 0;
 860
 861        free(head);
 862        free(orig_head);
 863        free(rebase_amend);
 864        free(rebase_orig_head);
 865        return split_in_progress;
 866}
 867
 868static void show_rebase_in_progress(struct wt_status *s,
 869                                struct wt_status_state *state,
 870                                const char *color)
 871{
 872        struct stat st;
 873
 874        if (has_unmerged(s)) {
 875                if (state->branch)
 876                        status_printf_ln(s, color,
 877                                         _("You are currently rebasing branch '%s' on '%s'."),
 878                                         state->branch,
 879                                         state->onto);
 880                else
 881                        status_printf_ln(s, color,
 882                                         _("You are currently rebasing."));
 883                if (advice_status_hints) {
 884                        status_printf_ln(s, color,
 885                                _("  (fix conflicts and then run \"git rebase --continue\")"));
 886                        status_printf_ln(s, color,
 887                                _("  (use \"git rebase --skip\" to skip this patch)"));
 888                        status_printf_ln(s, color,
 889                                _("  (use \"git rebase --abort\" to check out the original branch)"));
 890                }
 891        } else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
 892                if (state->branch)
 893                        status_printf_ln(s, color,
 894                                         _("You are currently rebasing branch '%s' on '%s'."),
 895                                         state->branch,
 896                                         state->onto);
 897                else
 898                        status_printf_ln(s, color,
 899                                         _("You are currently rebasing."));
 900                if (advice_status_hints)
 901                        status_printf_ln(s, color,
 902                                _("  (all conflicts fixed: run \"git rebase --continue\")"));
 903        } else if (split_commit_in_progress(s)) {
 904                if (state->branch)
 905                        status_printf_ln(s, color,
 906                                         _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
 907                                         state->branch,
 908                                         state->onto);
 909                else
 910                        status_printf_ln(s, color,
 911                                         _("You are currently splitting a commit during a rebase."));
 912                if (advice_status_hints)
 913                        status_printf_ln(s, color,
 914                                _("  (Once your working directory is clean, run \"git rebase --continue\")"));
 915        } else {
 916                if (state->branch)
 917                        status_printf_ln(s, color,
 918                                         _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
 919                                         state->branch,
 920                                         state->onto);
 921                else
 922                        status_printf_ln(s, color,
 923                                         _("You are currently editing a commit during a rebase."));
 924                if (advice_status_hints && !s->amend) {
 925                        status_printf_ln(s, color,
 926                                _("  (use \"git commit --amend\" to amend the current commit)"));
 927                        status_printf_ln(s, color,
 928                                _("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
 929                }
 930        }
 931        wt_status_print_trailer(s);
 932}
 933
 934static void show_cherry_pick_in_progress(struct wt_status *s,
 935                                        struct wt_status_state *state,
 936                                        const char *color)
 937{
 938        status_printf_ln(s, color, _("You are currently cherry-picking."));
 939        if (advice_status_hints) {
 940                if (has_unmerged(s))
 941                        status_printf_ln(s, color,
 942                                _("  (fix conflicts and run \"git commit\")"));
 943                else
 944                        status_printf_ln(s, color,
 945                                _("  (all conflicts fixed: run \"git commit\")"));
 946        }
 947        wt_status_print_trailer(s);
 948}
 949
 950static void show_bisect_in_progress(struct wt_status *s,
 951                                struct wt_status_state *state,
 952                                const char *color)
 953{
 954        if (state->branch)
 955                status_printf_ln(s, color,
 956                                 _("You are currently bisecting branch '%s'."),
 957                                 state->branch);
 958        else
 959                status_printf_ln(s, color,
 960                                 _("You are currently bisecting."));
 961        if (advice_status_hints)
 962                status_printf_ln(s, color,
 963                        _("  (use \"git bisect reset\" to get back to the original branch)"));
 964        wt_status_print_trailer(s);
 965}
 966
 967/*
 968 * Extract branch information from rebase/bisect
 969 */
 970static char *read_and_strip_branch(const char *path)
 971{
 972        struct strbuf sb = STRBUF_INIT;
 973        unsigned char sha1[20];
 974
 975        if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
 976                goto got_nothing;
 977
 978        while (&sb.len && sb.buf[sb.len - 1] == '\n')
 979                strbuf_setlen(&sb, sb.len - 1);
 980        if (!sb.len)
 981                goto got_nothing;
 982        if (!prefixcmp(sb.buf, "refs/heads/"))
 983                strbuf_remove(&sb,0, strlen("refs/heads/"));
 984        else if (!prefixcmp(sb.buf, "refs/"))
 985                ;
 986        else if (!get_sha1_hex(sb.buf, sha1)) {
 987                const char *abbrev;
 988                abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
 989                strbuf_reset(&sb);
 990                strbuf_addstr(&sb, abbrev);
 991        } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
 992                goto got_nothing;
 993        else                    /* bisect */
 994                ;
 995        return strbuf_detach(&sb, NULL);
 996
 997got_nothing:
 998        strbuf_release(&sb);
 999        return NULL;
1000}
1001
1002struct grab_1st_switch_cbdata {
1003        int found;
1004        struct strbuf buf;
1005        unsigned char nsha1[20];
1006};
1007
1008static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
1009                           const char *email, unsigned long timestamp, int tz,
1010                           const char *message, void *cb_data)
1011{
1012        struct grab_1st_switch_cbdata *cb = cb_data;
1013        const char *target = NULL, *end;
1014
1015        if (prefixcmp(message, "checkout: moving from "))
1016                return 0;
1017        message += strlen("checkout: moving from ");
1018        target = strstr(message, " to ");
1019        if (!target)
1020                return 0;
1021        target += strlen(" to ");
1022        strbuf_reset(&cb->buf);
1023        hashcpy(cb->nsha1, nsha1);
1024        for (end = target; *end && *end != '\n'; end++)
1025                ;
1026        strbuf_add(&cb->buf, target, end - target);
1027        cb->found = 1;
1028        return 1;
1029}
1030
1031static void wt_status_get_detached_from(struct wt_status_state *state)
1032{
1033        struct grab_1st_switch_cbdata cb;
1034        struct commit *commit;
1035        unsigned char sha1[20];
1036        char *ref = NULL;
1037
1038        strbuf_init(&cb.buf, 0);
1039        if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
1040                strbuf_release(&cb.buf);
1041                return;
1042        }
1043
1044        if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
1045            /* sha1 is a commit? match without further lookup */
1046            (!hashcmp(cb.nsha1, sha1) ||
1047             /* perhaps sha1 is a tag, try to dereference to a commit */
1048             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
1049              !hashcmp(cb.nsha1, commit->object.sha1)))) {
1050                int ofs;
1051                if (!prefixcmp(ref, "refs/tags/"))
1052                        ofs = strlen("refs/tags/");
1053                else if (!prefixcmp(ref, "refs/remotes/"))
1054                        ofs = strlen("refs/remotes/");
1055                else
1056                        ofs = 0;
1057                state->detached_from = xstrdup(ref + ofs);
1058        } else
1059                state->detached_from =
1060                        xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
1061        hashcpy(state->detached_sha1, cb.nsha1);
1062
1063        free(ref);
1064        strbuf_release(&cb.buf);
1065}
1066
1067void wt_status_get_state(struct wt_status_state *state,
1068                         int get_detached_from)
1069{
1070        struct stat st;
1071
1072        if (!stat(git_path("MERGE_HEAD"), &st)) {
1073                state->merge_in_progress = 1;
1074        } else if (!stat(git_path("rebase-apply"), &st)) {
1075                if (!stat(git_path("rebase-apply/applying"), &st)) {
1076                        state->am_in_progress = 1;
1077                        if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
1078                                state->am_empty_patch = 1;
1079                } else {
1080                        state->rebase_in_progress = 1;
1081                        state->branch = read_and_strip_branch("rebase-apply/head-name");
1082                        state->onto = read_and_strip_branch("rebase-apply/onto");
1083                }
1084        } else if (!stat(git_path("rebase-merge"), &st)) {
1085                if (!stat(git_path("rebase-merge/interactive"), &st))
1086                        state->rebase_interactive_in_progress = 1;
1087                else
1088                        state->rebase_in_progress = 1;
1089                state->branch = read_and_strip_branch("rebase-merge/head-name");
1090                state->onto = read_and_strip_branch("rebase-merge/onto");
1091        } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
1092                state->cherry_pick_in_progress = 1;
1093        }
1094        if (!stat(git_path("BISECT_LOG"), &st)) {
1095                state->bisect_in_progress = 1;
1096                state->branch = read_and_strip_branch("BISECT_START");
1097        }
1098
1099        if (get_detached_from)
1100                wt_status_get_detached_from(state);
1101}
1102
1103static void wt_status_print_state(struct wt_status *s,
1104                                  struct wt_status_state *state)
1105{
1106        const char *state_color = color(WT_STATUS_HEADER, s);
1107        if (state->merge_in_progress)
1108                show_merge_in_progress(s, state, state_color);
1109        else if (state->am_in_progress)
1110                show_am_in_progress(s, state, state_color);
1111        else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
1112                show_rebase_in_progress(s, state, state_color);
1113        else if (state->cherry_pick_in_progress)
1114                show_cherry_pick_in_progress(s, state, state_color);
1115        if (state->bisect_in_progress)
1116                show_bisect_in_progress(s, state, state_color);
1117}
1118
1119void wt_status_print(struct wt_status *s)
1120{
1121        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
1122        const char *branch_status_color = color(WT_STATUS_HEADER, s);
1123        struct wt_status_state state;
1124
1125        memset(&state, 0, sizeof(state));
1126        wt_status_get_state(&state,
1127                            s->branch && !strcmp(s->branch, "HEAD"));
1128
1129        if (s->branch) {
1130                const char *on_what = _("On branch ");
1131                const char *branch_name = s->branch;
1132                if (!prefixcmp(branch_name, "refs/heads/"))
1133                        branch_name += 11;
1134                else if (!strcmp(branch_name, "HEAD")) {
1135                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
1136                        if (state.detached_from) {
1137                                unsigned char sha1[20];
1138                                branch_name = state.detached_from;
1139                                if (!get_sha1("HEAD", sha1) &&
1140                                    !hashcmp(sha1, state.detached_sha1))
1141                                        on_what = _("HEAD detached at ");
1142                                else
1143                                        on_what = _("HEAD detached from ");
1144                        } else {
1145                                branch_name = "";
1146                                on_what = _("Not currently on any branch.");
1147                        }
1148                }
1149                status_printf(s, color(WT_STATUS_HEADER, s), "");
1150                status_printf_more(s, branch_status_color, "%s", on_what);
1151                status_printf_more(s, branch_color, "%s\n", branch_name);
1152                if (!s->is_initial)
1153                        wt_status_print_tracking(s);
1154        }
1155
1156        wt_status_print_state(s, &state);
1157        free(state.branch);
1158        free(state.onto);
1159        free(state.detached_from);
1160
1161        if (s->is_initial) {
1162                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1163                status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
1164                status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
1165        }
1166
1167        wt_status_print_updated(s);
1168        wt_status_print_unmerged(s);
1169        wt_status_print_changed(s);
1170        if (s->submodule_summary &&
1171            (!s->ignore_submodule_arg ||
1172             strcmp(s->ignore_submodule_arg, "all"))) {
1173                wt_status_print_submodule_summary(s, 0);  /* staged */
1174                wt_status_print_submodule_summary(s, 1);  /* unstaged */
1175        }
1176        if (s->show_untracked_files) {
1177                wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
1178                if (s->show_ignored_files)
1179                        wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f");
1180        } else if (s->commitable)
1181                status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
1182                        advice_status_hints
1183                        ? _(" (use -u option to show untracked files)") : "");
1184
1185        if (s->verbose)
1186                wt_status_print_verbose(s);
1187        if (!s->commitable) {
1188                if (s->amend)
1189                        status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
1190                else if (s->nowarn)
1191                        ; /* nothing */
1192                else if (s->workdir_dirty) {
1193                        if (advice_status_hints)
1194                                printf(_("no changes added to commit "
1195                                         "(use \"git add\" and/or \"git commit -a\")\n"));
1196                        else
1197                                printf(_("no changes added to commit\n"));
1198                } else if (s->untracked.nr) {
1199                        if (advice_status_hints)
1200                                printf(_("nothing added to commit but untracked files "
1201                                         "present (use \"git add\" to track)\n"));
1202                        else
1203                                printf(_("nothing added to commit but untracked files present\n"));
1204                } else if (s->is_initial) {
1205                        if (advice_status_hints)
1206                                printf(_("nothing to commit (create/copy files "
1207                                         "and use \"git add\" to track)\n"));
1208                        else
1209                                printf(_("nothing to commit\n"));
1210                } else if (!s->show_untracked_files) {
1211                        if (advice_status_hints)
1212                                printf(_("nothing to commit (use -u to show untracked files)\n"));
1213                        else
1214                                printf(_("nothing to commit\n"));
1215                } else
1216                        printf(_("nothing to commit, working directory clean\n"));
1217        }
1218}
1219
1220static void wt_shortstatus_unmerged(struct string_list_item *it,
1221                           struct wt_status *s)
1222{
1223        struct wt_status_change_data *d = it->util;
1224        const char *how = "??";
1225
1226        switch (d->stagemask) {
1227        case 1: how = "DD"; break; /* both deleted */
1228        case 2: how = "AU"; break; /* added by us */
1229        case 3: how = "UD"; break; /* deleted by them */
1230        case 4: how = "UA"; break; /* added by them */
1231        case 5: how = "DU"; break; /* deleted by us */
1232        case 6: how = "AA"; break; /* both added */
1233        case 7: how = "UU"; break; /* both modified */
1234        }
1235        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
1236        if (s->null_termination) {
1237                fprintf(stdout, " %s%c", it->string, 0);
1238        } else {
1239                struct strbuf onebuf = STRBUF_INIT;
1240                const char *one;
1241                one = quote_path(it->string, -1, &onebuf, s->prefix);
1242                printf(" %s\n", one);
1243                strbuf_release(&onebuf);
1244        }
1245}
1246
1247static void wt_shortstatus_status(struct string_list_item *it,
1248                         struct wt_status *s)
1249{
1250        struct wt_status_change_data *d = it->util;
1251
1252        if (d->index_status)
1253                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
1254        else
1255                putchar(' ');
1256        if (d->worktree_status)
1257                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
1258        else
1259                putchar(' ');
1260        putchar(' ');
1261        if (s->null_termination) {
1262                fprintf(stdout, "%s%c", it->string, 0);
1263                if (d->head_path)
1264                        fprintf(stdout, "%s%c", d->head_path, 0);
1265        } else {
1266                struct strbuf onebuf = STRBUF_INIT;
1267                const char *one;
1268                if (d->head_path) {
1269                        one = quote_path(d->head_path, -1, &onebuf, s->prefix);
1270                        if (*one != '"' && strchr(one, ' ') != NULL) {
1271                                putchar('"');
1272                                strbuf_addch(&onebuf, '"');
1273                                one = onebuf.buf;
1274                        }
1275                        printf("%s -> ", one);
1276                        strbuf_release(&onebuf);
1277                }
1278                one = quote_path(it->string, -1, &onebuf, s->prefix);
1279                if (*one != '"' && strchr(one, ' ') != NULL) {
1280                        putchar('"');
1281                        strbuf_addch(&onebuf, '"');
1282                        one = onebuf.buf;
1283                }
1284                printf("%s\n", one);
1285                strbuf_release(&onebuf);
1286        }
1287}
1288
1289static void wt_shortstatus_other(struct string_list_item *it,
1290                                 struct wt_status *s, const char *sign)
1291{
1292        if (s->null_termination) {
1293                fprintf(stdout, "%s %s%c", sign, it->string, 0);
1294        } else {
1295                struct strbuf onebuf = STRBUF_INIT;
1296                const char *one;
1297                one = quote_path(it->string, -1, &onebuf, s->prefix);
1298                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
1299                printf(" %s\n", one);
1300                strbuf_release(&onebuf);
1301        }
1302}
1303
1304static void wt_shortstatus_print_tracking(struct wt_status *s)
1305{
1306        struct branch *branch;
1307        const char *header_color = color(WT_STATUS_HEADER, s);
1308        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
1309        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
1310
1311        const char *base;
1312        const char *branch_name;
1313        int num_ours, num_theirs;
1314
1315        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
1316
1317        if (!s->branch)
1318                return;
1319        branch_name = s->branch;
1320
1321        if (!prefixcmp(branch_name, "refs/heads/"))
1322                branch_name += 11;
1323        else if (!strcmp(branch_name, "HEAD")) {
1324                branch_name = _("HEAD (no branch)");
1325                branch_color_local = color(WT_STATUS_NOBRANCH, s);
1326        }
1327
1328        branch = branch_get(s->branch + 11);
1329        if (s->is_initial)
1330                color_fprintf(s->fp, header_color, _("Initial commit on "));
1331        if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
1332                color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1333                fputc(s->null_termination ? '\0' : '\n', s->fp);
1334                return;
1335        }
1336
1337        base = branch->merge[0]->dst;
1338        base = shorten_unambiguous_ref(base, 0);
1339        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
1340        color_fprintf(s->fp, header_color, "...");
1341        color_fprintf(s->fp, branch_color_remote, "%s", base);
1342
1343        color_fprintf(s->fp, header_color, " [");
1344        if (!num_ours) {
1345                color_fprintf(s->fp, header_color, _("behind "));
1346                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1347        } else if (!num_theirs) {
1348                color_fprintf(s->fp, header_color, _("ahead "));
1349                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1350        } else {
1351                color_fprintf(s->fp, header_color, _("ahead "));
1352                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
1353                color_fprintf(s->fp, header_color, _(", behind "));
1354                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
1355        }
1356
1357        color_fprintf(s->fp, header_color, "]");
1358        fputc(s->null_termination ? '\0' : '\n', s->fp);
1359}
1360
1361void wt_shortstatus_print(struct wt_status *s)
1362{
1363        int i;
1364
1365        if (s->show_branch)
1366                wt_shortstatus_print_tracking(s);
1367
1368        for (i = 0; i < s->change.nr; i++) {
1369                struct wt_status_change_data *d;
1370                struct string_list_item *it;
1371
1372                it = &(s->change.items[i]);
1373                d = it->util;
1374                if (d->stagemask)
1375                        wt_shortstatus_unmerged(it, s);
1376                else
1377                        wt_shortstatus_status(it, s);
1378        }
1379        for (i = 0; i < s->untracked.nr; i++) {
1380                struct string_list_item *it;
1381
1382                it = &(s->untracked.items[i]);
1383                wt_shortstatus_other(it, s, "??");
1384        }
1385        for (i = 0; i < s->ignored.nr; i++) {
1386                struct string_list_item *it;
1387
1388                it = &(s->ignored.items[i]);
1389                wt_shortstatus_other(it, s, "!!");
1390        }
1391}
1392
1393void wt_porcelain_print(struct wt_status *s)
1394{
1395        s->use_color = 0;
1396        s->relative_paths = 0;
1397        s->prefix = NULL;
1398        wt_shortstatus_print(s);
1399}