Andrew's git - gitweb.git/blob

e0e915e46a5cf973b7bfbf583d04ba976c279e9a
   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
  13static char default_wt_status_colors[][COLOR_MAXLEN] = {
  14        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  15        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  16        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  17        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  18        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  19        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  20};
  21
  22static const char *color(int slot, struct wt_status *s)
  23{
  24        return s->use_color > 0 ? s->color_palette[slot] : "";
  25}
  26
  27void wt_status_prepare(struct wt_status *s)
  28{
  29        unsigned char sha1[20];
  30        const char *head;
  31
  32        memset(s, 0, sizeof(*s));
  33        memcpy(s->color_palette, default_wt_status_colors,
  34               sizeof(default_wt_status_colors));
  35        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  36        s->use_color = -1;
  37        s->relative_paths = 1;
  38        head = resolve_ref("HEAD", sha1, 0, NULL);
  39        s->branch = head ? xstrdup(head) : NULL;
  40        s->reference = "HEAD";
  41        s->fp = stdout;
  42        s->index_file = get_index_file();
  43        s->change.strdup_strings = 1;
  44        s->untracked.strdup_strings = 1;
  45}
  46
  47static void wt_status_print_unmerged_header(struct wt_status *s)
  48{
  49        const char *c = color(WT_STATUS_HEADER, s);
  50
  51        color_fprintf_ln(s->fp, c, "# Unmerged paths:");
  52        if (!advice_status_hints)
  53                return;
  54        if (s->in_merge)
  55                ;
  56        else if (!s->is_initial)
  57                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  58        else
  59                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  60        color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
  61        color_fprintf_ln(s->fp, c, "#");
  62}
  63
  64static void wt_status_print_cached_header(struct wt_status *s)
  65{
  66        const char *c = color(WT_STATUS_HEADER, s);
  67
  68        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  69        if (!advice_status_hints)
  70                return;
  71        if (s->in_merge)
  72                ; /* NEEDSWORK: use "git reset --unresolve"??? */
  73        else if (!s->is_initial)
  74                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  75        else
  76                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  77        color_fprintf_ln(s->fp, c, "#");
  78}
  79
  80static void wt_status_print_dirty_header(struct wt_status *s,
  81                                         int has_deleted,
  82                                         int has_dirty_submodules)
  83{
  84        const char *c = color(WT_STATUS_HEADER, s);
  85
  86        color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  87        if (!advice_status_hints)
  88                return;
  89        if (!has_deleted)
  90                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  91        else
  92                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  93        color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
  94        if (has_dirty_submodules)
  95                color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
  96        color_fprintf_ln(s->fp, c, "#");
  97}
  98
  99static void wt_status_print_untracked_header(struct wt_status *s)
 100{
 101        const char *c = color(WT_STATUS_HEADER, s);
 102        color_fprintf_ln(s->fp, c, "# Untracked files:");
 103        if (!advice_status_hints)
 104                return;
 105        color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
 106        color_fprintf_ln(s->fp, c, "#");
 107}
 108
 109static void wt_status_print_trailer(struct wt_status *s)
 110{
 111        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 112}
 113
 114#define quote_path quote_path_relative
 115
 116static void wt_status_print_unmerged_data(struct wt_status *s,
 117                                          struct string_list_item *it)
 118{
 119        const char *c = color(WT_STATUS_UNMERGED, s);
 120        struct wt_status_change_data *d = it->util;
 121        struct strbuf onebuf = STRBUF_INIT;
 122        const char *one, *how = "bug";
 123
 124        one = quote_path(it->string, -1, &onebuf, s->prefix);
 125        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 126        switch (d->stagemask) {
 127        case 1: how = "both deleted:"; break;
 128        case 2: how = "added by us:"; break;
 129        case 3: how = "deleted by them:"; break;
 130        case 4: how = "added by them:"; break;
 131        case 5: how = "deleted by us:"; break;
 132        case 6: how = "both added:"; break;
 133        case 7: how = "both modified:"; break;
 134        }
 135        color_fprintf(s->fp, c, "%-20s%s\n", how, one);
 136        strbuf_release(&onebuf);
 137}
 138
 139static void wt_status_print_change_data(struct wt_status *s,
 140                                        int change_type,
 141                                        struct string_list_item *it)
 142{
 143        struct wt_status_change_data *d = it->util;
 144        const char *c = color(change_type, s);
 145        int status = status;
 146        char *one_name;
 147        char *two_name;
 148        const char *one, *two;
 149        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 150        struct strbuf extra = STRBUF_INIT;
 151
 152        one_name = two_name = it->string;
 153        switch (change_type) {
 154        case WT_STATUS_UPDATED:
 155                status = d->index_status;
 156                if (d->head_path)
 157                        one_name = d->head_path;
 158                break;
 159        case WT_STATUS_CHANGED:
 160                if (d->new_submodule_commits || d->dirty_submodule) {
 161                        strbuf_addstr(&extra, " (");
 162                        if (d->new_submodule_commits)
 163                                strbuf_addf(&extra, "new commits, ");
 164                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 165                                strbuf_addf(&extra, "modified content, ");
 166                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 167                                strbuf_addf(&extra, "untracked content, ");
 168                        strbuf_setlen(&extra, extra.len - 2);
 169                        strbuf_addch(&extra, ')');
 170                }
 171                status = d->worktree_status;
 172                break;
 173        }
 174
 175        one = quote_path(one_name, -1, &onebuf, s->prefix);
 176        two = quote_path(two_name, -1, &twobuf, s->prefix);
 177
 178        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 179        switch (status) {
 180        case DIFF_STATUS_ADDED:
 181                color_fprintf(s->fp, c, "new file:   %s", one);
 182                break;
 183        case DIFF_STATUS_COPIED:
 184                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 185                break;
 186        case DIFF_STATUS_DELETED:
 187                color_fprintf(s->fp, c, "deleted:    %s", one);
 188                break;
 189        case DIFF_STATUS_MODIFIED:
 190                color_fprintf(s->fp, c, "modified:   %s", one);
 191                break;
 192        case DIFF_STATUS_RENAMED:
 193                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 194                break;
 195        case DIFF_STATUS_TYPE_CHANGED:
 196                color_fprintf(s->fp, c, "typechange: %s", one);
 197                break;
 198        case DIFF_STATUS_UNKNOWN:
 199                color_fprintf(s->fp, c, "unknown:    %s", one);
 200                break;
 201        case DIFF_STATUS_UNMERGED:
 202                color_fprintf(s->fp, c, "unmerged:   %s", one);
 203                break;
 204        default:
 205                die("bug: unhandled diff status %c", status);
 206        }
 207        if (extra.len) {
 208                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 209                strbuf_release(&extra);
 210        }
 211        fprintf(s->fp, "\n");
 212        strbuf_release(&onebuf);
 213        strbuf_release(&twobuf);
 214}
 215
 216static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 217                                         struct diff_options *options,
 218                                         void *data)
 219{
 220        struct wt_status *s = data;
 221        int i;
 222
 223        if (!q->nr)
 224                return;
 225        s->workdir_dirty = 1;
 226        for (i = 0; i < q->nr; i++) {
 227                struct diff_filepair *p;
 228                struct string_list_item *it;
 229                struct wt_status_change_data *d;
 230
 231                p = q->queue[i];
 232                it = string_list_insert(p->one->path, &s->change);
 233                d = it->util;
 234                if (!d) {
 235                        d = xcalloc(1, sizeof(*d));
 236                        it->util = d;
 237                }
 238                if (!d->worktree_status)
 239                        d->worktree_status = p->status;
 240                d->dirty_submodule = p->two->dirty_submodule;
 241                if (S_ISGITLINK(p->two->mode))
 242                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 243        }
 244}
 245
 246static int unmerged_mask(const char *path)
 247{
 248        int pos, mask;
 249        struct cache_entry *ce;
 250
 251        pos = cache_name_pos(path, strlen(path));
 252        if (0 <= pos)
 253                return 0;
 254
 255        mask = 0;
 256        pos = -pos-1;
 257        while (pos < active_nr) {
 258                ce = active_cache[pos++];
 259                if (strcmp(ce->name, path) || !ce_stage(ce))
 260                        break;
 261                mask |= (1 << (ce_stage(ce) - 1));
 262        }
 263        return mask;
 264}
 265
 266static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 267                                         struct diff_options *options,
 268                                         void *data)
 269{
 270        struct wt_status *s = data;
 271        int i;
 272
 273        for (i = 0; i < q->nr; i++) {
 274                struct diff_filepair *p;
 275                struct string_list_item *it;
 276                struct wt_status_change_data *d;
 277
 278                p = q->queue[i];
 279                it = string_list_insert(p->two->path, &s->change);
 280                d = it->util;
 281                if (!d) {
 282                        d = xcalloc(1, sizeof(*d));
 283                        it->util = d;
 284                }
 285                if (!d->index_status)
 286                        d->index_status = p->status;
 287                switch (p->status) {
 288                case DIFF_STATUS_COPIED:
 289                case DIFF_STATUS_RENAMED:
 290                        d->head_path = xstrdup(p->one->path);
 291                        break;
 292                case DIFF_STATUS_UNMERGED:
 293                        d->stagemask = unmerged_mask(p->two->path);
 294                        break;
 295                }
 296        }
 297}
 298
 299static void wt_status_collect_changes_worktree(struct wt_status *s)
 300{
 301        struct rev_info rev;
 302
 303        init_revisions(&rev, NULL);
 304        setup_revisions(0, NULL, &rev, NULL);
 305        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 306        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 307        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 308        rev.diffopt.format_callback_data = s;
 309        rev.prune_data = s->pathspec;
 310        run_diff_files(&rev, 0);
 311}
 312
 313static void wt_status_collect_changes_index(struct wt_status *s)
 314{
 315        struct rev_info rev;
 316
 317        init_revisions(&rev, NULL);
 318        setup_revisions(0, NULL, &rev,
 319                s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 320        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 321        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 322        rev.diffopt.format_callback_data = s;
 323        rev.diffopt.detect_rename = 1;
 324        rev.diffopt.rename_limit = 200;
 325        rev.diffopt.break_opt = 0;
 326        rev.prune_data = s->pathspec;
 327        run_diff_index(&rev, 1);
 328}
 329
 330static void wt_status_collect_changes_initial(struct wt_status *s)
 331{
 332        int i;
 333
 334        for (i = 0; i < active_nr; i++) {
 335                struct string_list_item *it;
 336                struct wt_status_change_data *d;
 337                struct cache_entry *ce = active_cache[i];
 338
 339                if (!ce_path_match(ce, s->pathspec))
 340                        continue;
 341                it = string_list_insert(ce->name, &s->change);
 342                d = it->util;
 343                if (!d) {
 344                        d = xcalloc(1, sizeof(*d));
 345                        it->util = d;
 346                }
 347                if (ce_stage(ce)) {
 348                        d->index_status = DIFF_STATUS_UNMERGED;
 349                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 350                }
 351                else
 352                        d->index_status = DIFF_STATUS_ADDED;
 353        }
 354}
 355
 356static void wt_status_collect_untracked(struct wt_status *s)
 357{
 358        int i;
 359        struct dir_struct dir;
 360
 361        if (!s->show_untracked_files)
 362                return;
 363        memset(&dir, 0, sizeof(dir));
 364        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 365                dir.flags |=
 366                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 367        setup_standard_excludes(&dir);
 368
 369        fill_directory(&dir, s->pathspec);
 370        for (i = 0; i < dir.nr; i++) {
 371                struct dir_entry *ent = dir.entries[i];
 372                if (!cache_name_is_other(ent->name, ent->len))
 373                        continue;
 374                if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 375                        continue;
 376                s->workdir_untracked = 1;
 377                string_list_insert(ent->name, &s->untracked);
 378        }
 379}
 380
 381void wt_status_collect(struct wt_status *s)
 382{
 383        wt_status_collect_changes_worktree(s);
 384
 385        if (s->is_initial)
 386                wt_status_collect_changes_initial(s);
 387        else
 388                wt_status_collect_changes_index(s);
 389        wt_status_collect_untracked(s);
 390}
 391
 392static void wt_status_print_unmerged(struct wt_status *s)
 393{
 394        int shown_header = 0;
 395        int i;
 396
 397        for (i = 0; i < s->change.nr; i++) {
 398                struct wt_status_change_data *d;
 399                struct string_list_item *it;
 400                it = &(s->change.items[i]);
 401                d = it->util;
 402                if (!d->stagemask)
 403                        continue;
 404                if (!shown_header) {
 405                        wt_status_print_unmerged_header(s);
 406                        shown_header = 1;
 407                }
 408                wt_status_print_unmerged_data(s, it);
 409        }
 410        if (shown_header)
 411                wt_status_print_trailer(s);
 412
 413}
 414
 415static void wt_status_print_updated(struct wt_status *s)
 416{
 417        int shown_header = 0;
 418        int i;
 419
 420        for (i = 0; i < s->change.nr; i++) {
 421                struct wt_status_change_data *d;
 422                struct string_list_item *it;
 423                it = &(s->change.items[i]);
 424                d = it->util;
 425                if (!d->index_status ||
 426                    d->index_status == DIFF_STATUS_UNMERGED)
 427                        continue;
 428                if (!shown_header) {
 429                        wt_status_print_cached_header(s);
 430                        s->commitable = 1;
 431                        shown_header = 1;
 432                }
 433                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 434        }
 435        if (shown_header)
 436                wt_status_print_trailer(s);
 437}
 438
 439/*
 440 * -1 : has delete
 441 *  0 : no change
 442 *  1 : some change but no delete
 443 */
 444static int wt_status_check_worktree_changes(struct wt_status *s,
 445                                             int *dirty_submodules)
 446{
 447        int i;
 448        int changes = 0;
 449
 450        *dirty_submodules = 0;
 451
 452        for (i = 0; i < s->change.nr; i++) {
 453                struct wt_status_change_data *d;
 454                d = s->change.items[i].util;
 455                if (!d->worktree_status ||
 456                    d->worktree_status == DIFF_STATUS_UNMERGED)
 457                        continue;
 458                if (!changes)
 459                        changes = 1;
 460                if (d->dirty_submodule)
 461                        *dirty_submodules = 1;
 462                if (d->worktree_status == DIFF_STATUS_DELETED)
 463                        changes = -1;
 464        }
 465        return changes;
 466}
 467
 468static void wt_status_print_changed(struct wt_status *s)
 469{
 470        int i, dirty_submodules;
 471        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 472
 473        if (!worktree_changes)
 474                return;
 475
 476        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 477
 478        for (i = 0; i < s->change.nr; i++) {
 479                struct wt_status_change_data *d;
 480                struct string_list_item *it;
 481                it = &(s->change.items[i]);
 482                d = it->util;
 483                if (!d->worktree_status ||
 484                    d->worktree_status == DIFF_STATUS_UNMERGED)
 485                        continue;
 486                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 487        }
 488        wt_status_print_trailer(s);
 489}
 490
 491static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 492{
 493        struct child_process sm_summary;
 494        char summary_limit[64];
 495        char index[PATH_MAX];
 496        const char *env[] = { index, NULL };
 497        const char *argv[] = {
 498                "submodule",
 499                "summary",
 500                uncommitted ? "--files" : "--cached",
 501                "--for-status",
 502                "--summary-limit",
 503                summary_limit,
 504                uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD"),
 505                NULL
 506        };
 507
 508        sprintf(summary_limit, "%d", s->submodule_summary);
 509        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 510
 511        memset(&sm_summary, 0, sizeof(sm_summary));
 512        sm_summary.argv = argv;
 513        sm_summary.env = env;
 514        sm_summary.git_cmd = 1;
 515        sm_summary.no_stdin = 1;
 516        fflush(s->fp);
 517        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 518        run_command(&sm_summary);
 519}
 520
 521static void wt_status_print_untracked(struct wt_status *s)
 522{
 523        int i;
 524        struct strbuf buf = STRBUF_INIT;
 525
 526        if (!s->untracked.nr)
 527                return;
 528
 529        wt_status_print_untracked_header(s);
 530        for (i = 0; i < s->untracked.nr; i++) {
 531                struct string_list_item *it;
 532                it = &(s->untracked.items[i]);
 533                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 534                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 535                                 quote_path(it->string, strlen(it->string),
 536                                            &buf, s->prefix));
 537        }
 538        strbuf_release(&buf);
 539}
 540
 541static void wt_status_print_verbose(struct wt_status *s)
 542{
 543        struct rev_info rev;
 544
 545        init_revisions(&rev, NULL);
 546        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 547        setup_revisions(0, NULL, &rev,
 548                s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 549        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 550        rev.diffopt.detect_rename = 1;
 551        rev.diffopt.file = s->fp;
 552        rev.diffopt.close_file = 0;
 553        /*
 554         * If we're not going to stdout, then we definitely don't
 555         * want color, since we are going to the commit message
 556         * file (and even the "auto" setting won't work, since it
 557         * will have checked isatty on stdout).
 558         */
 559        if (s->fp != stdout)
 560                DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 561        run_diff_index(&rev, 1);
 562}
 563
 564static void wt_status_print_tracking(struct wt_status *s)
 565{
 566        struct strbuf sb = STRBUF_INIT;
 567        const char *cp, *ep;
 568        struct branch *branch;
 569
 570        assert(s->branch && !s->is_initial);
 571        if (prefixcmp(s->branch, "refs/heads/"))
 572                return;
 573        branch = branch_get(s->branch + 11);
 574        if (!format_tracking_info(branch, &sb))
 575                return;
 576
 577        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 578                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 579                                 "# %.*s", (int)(ep - cp), cp);
 580        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 581}
 582
 583void wt_status_print(struct wt_status *s)
 584{
 585        const char *branch_color = color(WT_STATUS_HEADER, s);
 586
 587        if (s->branch) {
 588                const char *on_what = "On branch ";
 589                const char *branch_name = s->branch;
 590                if (!prefixcmp(branch_name, "refs/heads/"))
 591                        branch_name += 11;
 592                else if (!strcmp(branch_name, "HEAD")) {
 593                        branch_name = "";
 594                        branch_color = color(WT_STATUS_NOBRANCH, s);
 595                        on_what = "Not currently on any branch.";
 596                }
 597                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 598                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 599                if (!s->is_initial)
 600                        wt_status_print_tracking(s);
 601        }
 602
 603        if (s->is_initial) {
 604                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 605                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 606                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 607        }
 608
 609        wt_status_print_updated(s);
 610        wt_status_print_unmerged(s);
 611        wt_status_print_changed(s);
 612        if (s->submodule_summary) {
 613                wt_status_print_submodule_summary(s, 0);  /* staged */
 614                wt_status_print_submodule_summary(s, 1);  /* unstaged */
 615        }
 616        if (s->show_untracked_files)
 617                wt_status_print_untracked(s);
 618        else if (s->commitable)
 619                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 620
 621        if (s->verbose)
 622                wt_status_print_verbose(s);
 623        if (!s->commitable) {
 624                if (s->amend)
 625                        fprintf(s->fp, "# No changes\n");
 626                else if (s->nowarn)
 627                        ; /* nothing */
 628                else if (s->workdir_dirty)
 629                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 630                else if (s->untracked.nr)
 631                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 632                else if (s->is_initial)
 633                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 634                else if (!s->show_untracked_files)
 635                        printf("nothing to commit (use -u to show untracked files)\n");
 636                else
 637                        printf("nothing to commit (working directory clean)\n");
 638        }
 639}
 640
 641static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 642                           struct wt_status *s)
 643{
 644        struct wt_status_change_data *d = it->util;
 645        const char *how = "??";
 646
 647        switch (d->stagemask) {
 648        case 1: how = "DD"; break; /* both deleted */
 649        case 2: how = "AU"; break; /* added by us */
 650        case 3: how = "UD"; break; /* deleted by them */
 651        case 4: how = "UA"; break; /* added by them */
 652        case 5: how = "DU"; break; /* deleted by us */
 653        case 6: how = "AA"; break; /* both added */
 654        case 7: how = "UU"; break; /* both modified */
 655        }
 656        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 657        if (null_termination) {
 658                fprintf(stdout, " %s%c", it->string, 0);
 659        } else {
 660                struct strbuf onebuf = STRBUF_INIT;
 661                const char *one;
 662                one = quote_path(it->string, -1, &onebuf, s->prefix);
 663                printf(" %s\n", one);
 664                strbuf_release(&onebuf);
 665        }
 666}
 667
 668static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 669                         struct wt_status *s)
 670{
 671        struct wt_status_change_data *d = it->util;
 672
 673        if (d->index_status)
 674                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 675        else
 676                putchar(' ');
 677        if (d->worktree_status)
 678                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 679        else
 680                putchar(' ');
 681        putchar(' ');
 682        if (null_termination) {
 683                fprintf(stdout, "%s%c", it->string, 0);
 684                if (d->head_path)
 685                        fprintf(stdout, "%s%c", d->head_path, 0);
 686        } else {
 687                struct strbuf onebuf = STRBUF_INIT;
 688                const char *one;
 689                if (d->head_path) {
 690                        one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 691                        printf("%s -> ", one);
 692                        strbuf_release(&onebuf);
 693                }
 694                one = quote_path(it->string, -1, &onebuf, s->prefix);
 695                printf("%s\n", one);
 696                strbuf_release(&onebuf);
 697        }
 698}
 699
 700static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
 701                            struct wt_status *s)
 702{
 703        if (null_termination) {
 704                fprintf(stdout, "?? %s%c", it->string, 0);
 705        } else {
 706                struct strbuf onebuf = STRBUF_INIT;
 707                const char *one;
 708                one = quote_path(it->string, -1, &onebuf, s->prefix);
 709                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
 710                printf(" %s\n", one);
 711                strbuf_release(&onebuf);
 712        }
 713}
 714
 715void wt_shortstatus_print(struct wt_status *s, int null_termination)
 716{
 717        int i;
 718        for (i = 0; i < s->change.nr; i++) {
 719                struct wt_status_change_data *d;
 720                struct string_list_item *it;
 721
 722                it = &(s->change.items[i]);
 723                d = it->util;
 724                if (d->stagemask)
 725                        wt_shortstatus_unmerged(null_termination, it, s);
 726                else
 727                        wt_shortstatus_status(null_termination, it, s);
 728        }
 729        for (i = 0; i < s->untracked.nr; i++) {
 730                struct string_list_item *it;
 731
 732                it = &(s->untracked.items[i]);
 733                wt_shortstatus_untracked(null_termination, it, s);
 734        }
 735}
 736
 737void wt_porcelain_print(struct wt_status *s, int null_termination)
 738{
 739        s->use_color = 0;
 740        s->relative_paths = 0;
 741        s->prefix = NULL;
 742        wt_shortstatus_print(s, null_termination);
 743}