Andrew's git / gitweb.git / wt-status.c
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wt-status.con commit notes.h: declare bit field as unsigned to silence compiler complaints (a751b5c)
   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        if (!s->show_untracked_files)
 308                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 309        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 310        rev.diffopt.format_callback_data = s;
 311        rev.prune_data = s->pathspec;
 312        run_diff_files(&rev, 0);
 313}
 314
 315static void wt_status_collect_changes_index(struct wt_status *s)
 316{
 317        struct rev_info rev;
 318        struct setup_revision_opt opt;
 319
 320        init_revisions(&rev, NULL);
 321        memset(&opt, 0, sizeof(opt));
 322        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 323        setup_revisions(0, NULL, &rev, &opt);
 324
 325        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 326        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 327        rev.diffopt.format_callback_data = s;
 328        rev.diffopt.detect_rename = 1;
 329        rev.diffopt.rename_limit = 200;
 330        rev.diffopt.break_opt = 0;
 331        rev.prune_data = s->pathspec;
 332        run_diff_index(&rev, 1);
 333}
 334
 335static void wt_status_collect_changes_initial(struct wt_status *s)
 336{
 337        int i;
 338
 339        for (i = 0; i < active_nr; i++) {
 340                struct string_list_item *it;
 341                struct wt_status_change_data *d;
 342                struct cache_entry *ce = active_cache[i];
 343
 344                if (!ce_path_match(ce, s->pathspec))
 345                        continue;
 346                it = string_list_insert(ce->name, &s->change);
 347                d = it->util;
 348                if (!d) {
 349                        d = xcalloc(1, sizeof(*d));
 350                        it->util = d;
 351                }
 352                if (ce_stage(ce)) {
 353                        d->index_status = DIFF_STATUS_UNMERGED;
 354                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 355                }
 356                else
 357                        d->index_status = DIFF_STATUS_ADDED;
 358        }
 359}
 360
 361static void wt_status_collect_untracked(struct wt_status *s)
 362{
 363        int i;
 364        struct dir_struct dir;
 365
 366        if (!s->show_untracked_files)
 367                return;
 368        memset(&dir, 0, sizeof(dir));
 369        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 370                dir.flags |=
 371                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 372        setup_standard_excludes(&dir);
 373
 374        fill_directory(&dir, s->pathspec);
 375        for (i = 0; i < dir.nr; i++) {
 376                struct dir_entry *ent = dir.entries[i];
 377                if (!cache_name_is_other(ent->name, ent->len))
 378                        continue;
 379                if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 380                        continue;
 381                s->workdir_untracked = 1;
 382                string_list_insert(ent->name, &s->untracked);
 383        }
 384}
 385
 386void wt_status_collect(struct wt_status *s)
 387{
 388        wt_status_collect_changes_worktree(s);
 389
 390        if (s->is_initial)
 391                wt_status_collect_changes_initial(s);
 392        else
 393                wt_status_collect_changes_index(s);
 394        wt_status_collect_untracked(s);
 395}
 396
 397static void wt_status_print_unmerged(struct wt_status *s)
 398{
 399        int shown_header = 0;
 400        int i;
 401
 402        for (i = 0; i < s->change.nr; i++) {
 403                struct wt_status_change_data *d;
 404                struct string_list_item *it;
 405                it = &(s->change.items[i]);
 406                d = it->util;
 407                if (!d->stagemask)
 408                        continue;
 409                if (!shown_header) {
 410                        wt_status_print_unmerged_header(s);
 411                        shown_header = 1;
 412                }
 413                wt_status_print_unmerged_data(s, it);
 414        }
 415        if (shown_header)
 416                wt_status_print_trailer(s);
 417
 418}
 419
 420static void wt_status_print_updated(struct wt_status *s)
 421{
 422        int shown_header = 0;
 423        int i;
 424
 425        for (i = 0; i < s->change.nr; i++) {
 426                struct wt_status_change_data *d;
 427                struct string_list_item *it;
 428                it = &(s->change.items[i]);
 429                d = it->util;
 430                if (!d->index_status ||
 431                    d->index_status == DIFF_STATUS_UNMERGED)
 432                        continue;
 433                if (!shown_header) {
 434                        wt_status_print_cached_header(s);
 435                        s->commitable = 1;
 436                        shown_header = 1;
 437                }
 438                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 439        }
 440        if (shown_header)
 441                wt_status_print_trailer(s);
 442}
 443
 444/*
 445 * -1 : has delete
 446 *  0 : no change
 447 *  1 : some change but no delete
 448 */
 449static int wt_status_check_worktree_changes(struct wt_status *s,
 450                                             int *dirty_submodules)
 451{
 452        int i;
 453        int changes = 0;
 454
 455        *dirty_submodules = 0;
 456
 457        for (i = 0; i < s->change.nr; i++) {
 458                struct wt_status_change_data *d;
 459                d = s->change.items[i].util;
 460                if (!d->worktree_status ||
 461                    d->worktree_status == DIFF_STATUS_UNMERGED)
 462                        continue;
 463                if (!changes)
 464                        changes = 1;
 465                if (d->dirty_submodule)
 466                        *dirty_submodules = 1;
 467                if (d->worktree_status == DIFF_STATUS_DELETED)
 468                        changes = -1;
 469        }
 470        return changes;
 471}
 472
 473static void wt_status_print_changed(struct wt_status *s)
 474{
 475        int i, dirty_submodules;
 476        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 477
 478        if (!worktree_changes)
 479                return;
 480
 481        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 482
 483        for (i = 0; i < s->change.nr; i++) {
 484                struct wt_status_change_data *d;
 485                struct string_list_item *it;
 486                it = &(s->change.items[i]);
 487                d = it->util;
 488                if (!d->worktree_status ||
 489                    d->worktree_status == DIFF_STATUS_UNMERGED)
 490                        continue;
 491                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 492        }
 493        wt_status_print_trailer(s);
 494}
 495
 496static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 497{
 498        struct child_process sm_summary;
 499        char summary_limit[64];
 500        char index[PATH_MAX];
 501        const char *env[] = { index, NULL };
 502        const char *argv[] = {
 503                "submodule",
 504                "summary",
 505                uncommitted ? "--files" : "--cached",
 506                "--for-status",
 507                "--summary-limit",
 508                summary_limit,
 509                uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD"),
 510                NULL
 511        };
 512
 513        sprintf(summary_limit, "%d", s->submodule_summary);
 514        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 515
 516        memset(&sm_summary, 0, sizeof(sm_summary));
 517        sm_summary.argv = argv;
 518        sm_summary.env = env;
 519        sm_summary.git_cmd = 1;
 520        sm_summary.no_stdin = 1;
 521        fflush(s->fp);
 522        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 523        run_command(&sm_summary);
 524}
 525
 526static void wt_status_print_untracked(struct wt_status *s)
 527{
 528        int i;
 529        struct strbuf buf = STRBUF_INIT;
 530
 531        if (!s->untracked.nr)
 532                return;
 533
 534        wt_status_print_untracked_header(s);
 535        for (i = 0; i < s->untracked.nr; i++) {
 536                struct string_list_item *it;
 537                it = &(s->untracked.items[i]);
 538                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 539                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 540                                 quote_path(it->string, strlen(it->string),
 541                                            &buf, s->prefix));
 542        }
 543        strbuf_release(&buf);
 544}
 545
 546static void wt_status_print_verbose(struct wt_status *s)
 547{
 548        struct rev_info rev;
 549        struct setup_revision_opt opt;
 550
 551        init_revisions(&rev, NULL);
 552        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 553
 554        memset(&opt, 0, sizeof(opt));
 555        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 556        setup_revisions(0, NULL, &rev, &opt);
 557
 558        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 559        rev.diffopt.detect_rename = 1;
 560        rev.diffopt.file = s->fp;
 561        rev.diffopt.close_file = 0;
 562        /*
 563         * If we're not going to stdout, then we definitely don't
 564         * want color, since we are going to the commit message
 565         * file (and even the "auto" setting won't work, since it
 566         * will have checked isatty on stdout).
 567         */
 568        if (s->fp != stdout)
 569                DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 570        run_diff_index(&rev, 1);
 571}
 572
 573static void wt_status_print_tracking(struct wt_status *s)
 574{
 575        struct strbuf sb = STRBUF_INIT;
 576        const char *cp, *ep;
 577        struct branch *branch;
 578
 579        assert(s->branch && !s->is_initial);
 580        if (prefixcmp(s->branch, "refs/heads/"))
 581                return;
 582        branch = branch_get(s->branch + 11);
 583        if (!format_tracking_info(branch, &sb))
 584                return;
 585
 586        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 587                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 588                                 "# %.*s", (int)(ep - cp), cp);
 589        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 590}
 591
 592void wt_status_print(struct wt_status *s)
 593{
 594        const char *branch_color = color(WT_STATUS_HEADER, s);
 595
 596        if (s->branch) {
 597                const char *on_what = "On branch ";
 598                const char *branch_name = s->branch;
 599                if (!prefixcmp(branch_name, "refs/heads/"))
 600                        branch_name += 11;
 601                else if (!strcmp(branch_name, "HEAD")) {
 602                        branch_name = "";
 603                        branch_color = color(WT_STATUS_NOBRANCH, s);
 604                        on_what = "Not currently on any branch.";
 605                }
 606                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 607                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 608                if (!s->is_initial)
 609                        wt_status_print_tracking(s);
 610        }
 611
 612        if (s->is_initial) {
 613                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 614                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 615                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 616        }
 617
 618        wt_status_print_updated(s);
 619        wt_status_print_unmerged(s);
 620        wt_status_print_changed(s);
 621        if (s->submodule_summary) {
 622                wt_status_print_submodule_summary(s, 0);  /* staged */
 623                wt_status_print_submodule_summary(s, 1);  /* unstaged */
 624        }
 625        if (s->show_untracked_files)
 626                wt_status_print_untracked(s);
 627        else if (s->commitable)
 628                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 629
 630        if (s->verbose)
 631                wt_status_print_verbose(s);
 632        if (!s->commitable) {
 633                if (s->amend)
 634                        fprintf(s->fp, "# No changes\n");
 635                else if (s->nowarn)
 636                        ; /* nothing */
 637                else if (s->workdir_dirty)
 638                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 639                else if (s->untracked.nr)
 640                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 641                else if (s->is_initial)
 642                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 643                else if (!s->show_untracked_files)
 644                        printf("nothing to commit (use -u to show untracked files)\n");
 645                else
 646                        printf("nothing to commit (working directory clean)\n");
 647        }
 648}
 649
 650static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 651                           struct wt_status *s)
 652{
 653        struct wt_status_change_data *d = it->util;
 654        const char *how = "??";
 655
 656        switch (d->stagemask) {
 657        case 1: how = "DD"; break; /* both deleted */
 658        case 2: how = "AU"; break; /* added by us */
 659        case 3: how = "UD"; break; /* deleted by them */
 660        case 4: how = "UA"; break; /* added by them */
 661        case 5: how = "DU"; break; /* deleted by us */
 662        case 6: how = "AA"; break; /* both added */
 663        case 7: how = "UU"; break; /* both modified */
 664        }
 665        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 666        if (null_termination) {
 667                fprintf(stdout, " %s%c", it->string, 0);
 668        } else {
 669                struct strbuf onebuf = STRBUF_INIT;
 670                const char *one;
 671                one = quote_path(it->string, -1, &onebuf, s->prefix);
 672                printf(" %s\n", one);
 673                strbuf_release(&onebuf);
 674        }
 675}
 676
 677static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 678                         struct wt_status *s)
 679{
 680        struct wt_status_change_data *d = it->util;
 681
 682        if (d->index_status)
 683                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 684        else
 685                putchar(' ');
 686        if (d->worktree_status)
 687                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 688        else
 689                putchar(' ');
 690        putchar(' ');
 691        if (null_termination) {
 692                fprintf(stdout, "%s%c", it->string, 0);
 693                if (d->head_path)
 694                        fprintf(stdout, "%s%c", d->head_path, 0);
 695        } else {
 696                struct strbuf onebuf = STRBUF_INIT;
 697                const char *one;
 698                if (d->head_path) {
 699                        one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 700                        printf("%s -> ", one);
 701                        strbuf_release(&onebuf);
 702                }
 703                one = quote_path(it->string, -1, &onebuf, s->prefix);
 704                printf("%s\n", one);
 705                strbuf_release(&onebuf);
 706        }
 707}
 708
 709static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
 710                            struct wt_status *s)
 711{
 712        if (null_termination) {
 713                fprintf(stdout, "?? %s%c", it->string, 0);
 714        } else {
 715                struct strbuf onebuf = STRBUF_INIT;
 716                const char *one;
 717                one = quote_path(it->string, -1, &onebuf, s->prefix);
 718                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
 719                printf(" %s\n", one);
 720                strbuf_release(&onebuf);
 721        }
 722}
 723
 724void wt_shortstatus_print(struct wt_status *s, int null_termination)
 725{
 726        int i;
 727        for (i = 0; i < s->change.nr; i++) {
 728                struct wt_status_change_data *d;
 729                struct string_list_item *it;
 730
 731                it = &(s->change.items[i]);
 732                d = it->util;
 733                if (d->stagemask)
 734                        wt_shortstatus_unmerged(null_termination, it, s);
 735                else
 736                        wt_shortstatus_status(null_termination, it, s);
 737        }
 738        for (i = 0; i < s->untracked.nr; i++) {
 739                struct string_list_item *it;
 740
 741                it = &(s->untracked.items[i]);
 742                wt_shortstatus_untracked(null_termination, it, s);
 743        }
 744}
 745
 746void wt_porcelain_print(struct wt_status *s, int null_termination)
 747{
 748        s->use_color = 0;
 749        s->relative_paths = 0;
 750        s->prefix = NULL;
 751        wt_shortstatus_print(s, null_termination);
 752}