Andrew's git / gitweb.git / wt-status.c
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wt-status.con commit t6032: Add a test checking for excessive output from merge (df0b99f)
   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
  15static char default_wt_status_colors[][COLOR_MAXLEN] = {
  16        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  17        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  18        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  19        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  20        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  21        GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
  22        GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
  23        GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
  24};
  25
  26static const char *color(int slot, struct wt_status *s)
  27{
  28        return s->use_color > 0 ? s->color_palette[slot] : "";
  29}
  30
  31void wt_status_prepare(struct wt_status *s)
  32{
  33        unsigned char sha1[20];
  34        const char *head;
  35
  36        memset(s, 0, sizeof(*s));
  37        memcpy(s->color_palette, default_wt_status_colors,
  38               sizeof(default_wt_status_colors));
  39        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  40        s->use_color = -1;
  41        s->relative_paths = 1;
  42        head = resolve_ref("HEAD", sha1, 0, NULL);
  43        s->branch = head ? xstrdup(head) : NULL;
  44        s->reference = "HEAD";
  45        s->fp = stdout;
  46        s->index_file = get_index_file();
  47        s->change.strdup_strings = 1;
  48        s->untracked.strdup_strings = 1;
  49        s->ignored.strdup_strings = 1;
  50}
  51
  52static void wt_status_print_unmerged_header(struct wt_status *s)
  53{
  54        const char *c = color(WT_STATUS_HEADER, s);
  55
  56        color_fprintf_ln(s->fp, c, "# Unmerged paths:");
  57        if (!advice_status_hints)
  58                return;
  59        if (s->in_merge)
  60                ;
  61        else if (!s->is_initial)
  62                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  63        else
  64                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  65        color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
  66        color_fprintf_ln(s->fp, c, "#");
  67}
  68
  69static void wt_status_print_cached_header(struct wt_status *s)
  70{
  71        const char *c = color(WT_STATUS_HEADER, s);
  72
  73        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  74        if (!advice_status_hints)
  75                return;
  76        if (s->in_merge)
  77                ; /* NEEDSWORK: use "git reset --unresolve"??? */
  78        else if (!s->is_initial)
  79                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  80        else
  81                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  82        color_fprintf_ln(s->fp, c, "#");
  83}
  84
  85static void wt_status_print_dirty_header(struct wt_status *s,
  86                                         int has_deleted,
  87                                         int has_dirty_submodules)
  88{
  89        const char *c = color(WT_STATUS_HEADER, s);
  90
  91        color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  92        if (!advice_status_hints)
  93                return;
  94        if (!has_deleted)
  95                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  96        else
  97                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  98        color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
  99        if (has_dirty_submodules)
 100                color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
 101        color_fprintf_ln(s->fp, c, "#");
 102}
 103
 104static void wt_status_print_other_header(struct wt_status *s,
 105                                         const char *what,
 106                                         const char *how)
 107{
 108        const char *c = color(WT_STATUS_HEADER, s);
 109        color_fprintf_ln(s->fp, c, "# %s files:", what);
 110        if (!advice_status_hints)
 111                return;
 112        color_fprintf_ln(s->fp, c, "#   (use \"git %s <file>...\" to include in what will be committed)", how);
 113        color_fprintf_ln(s->fp, c, "#");
 114}
 115
 116static void wt_status_print_trailer(struct wt_status *s)
 117{
 118        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 119}
 120
 121#define quote_path quote_path_relative
 122
 123static void wt_status_print_unmerged_data(struct wt_status *s,
 124                                          struct string_list_item *it)
 125{
 126        const char *c = color(WT_STATUS_UNMERGED, s);
 127        struct wt_status_change_data *d = it->util;
 128        struct strbuf onebuf = STRBUF_INIT;
 129        const char *one, *how = "bug";
 130
 131        one = quote_path(it->string, -1, &onebuf, s->prefix);
 132        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 133        switch (d->stagemask) {
 134        case 1: how = "both deleted:"; break;
 135        case 2: how = "added by us:"; break;
 136        case 3: how = "deleted by them:"; break;
 137        case 4: how = "added by them:"; break;
 138        case 5: how = "deleted by us:"; break;
 139        case 6: how = "both added:"; break;
 140        case 7: how = "both modified:"; break;
 141        }
 142        color_fprintf(s->fp, c, "%-20s%s\n", how, one);
 143        strbuf_release(&onebuf);
 144}
 145
 146static void wt_status_print_change_data(struct wt_status *s,
 147                                        int change_type,
 148                                        struct string_list_item *it)
 149{
 150        struct wt_status_change_data *d = it->util;
 151        const char *c = color(change_type, s);
 152        int status = status;
 153        char *one_name;
 154        char *two_name;
 155        const char *one, *two;
 156        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 157        struct strbuf extra = STRBUF_INIT;
 158
 159        one_name = two_name = it->string;
 160        switch (change_type) {
 161        case WT_STATUS_UPDATED:
 162                status = d->index_status;
 163                if (d->head_path)
 164                        one_name = d->head_path;
 165                break;
 166        case WT_STATUS_CHANGED:
 167                if (d->new_submodule_commits || d->dirty_submodule) {
 168                        strbuf_addstr(&extra, " (");
 169                        if (d->new_submodule_commits)
 170                                strbuf_addf(&extra, "new commits, ");
 171                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 172                                strbuf_addf(&extra, "modified content, ");
 173                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 174                                strbuf_addf(&extra, "untracked content, ");
 175                        strbuf_setlen(&extra, extra.len - 2);
 176                        strbuf_addch(&extra, ')');
 177                }
 178                status = d->worktree_status;
 179                break;
 180        }
 181
 182        one = quote_path(one_name, -1, &onebuf, s->prefix);
 183        two = quote_path(two_name, -1, &twobuf, s->prefix);
 184
 185        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 186        switch (status) {
 187        case DIFF_STATUS_ADDED:
 188                color_fprintf(s->fp, c, "new file:   %s", one);
 189                break;
 190        case DIFF_STATUS_COPIED:
 191                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 192                break;
 193        case DIFF_STATUS_DELETED:
 194                color_fprintf(s->fp, c, "deleted:    %s", one);
 195                break;
 196        case DIFF_STATUS_MODIFIED:
 197                color_fprintf(s->fp, c, "modified:   %s", one);
 198                break;
 199        case DIFF_STATUS_RENAMED:
 200                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 201                break;
 202        case DIFF_STATUS_TYPE_CHANGED:
 203                color_fprintf(s->fp, c, "typechange: %s", one);
 204                break;
 205        case DIFF_STATUS_UNKNOWN:
 206                color_fprintf(s->fp, c, "unknown:    %s", one);
 207                break;
 208        case DIFF_STATUS_UNMERGED:
 209                color_fprintf(s->fp, c, "unmerged:   %s", one);
 210                break;
 211        default:
 212                die("bug: unhandled diff status %c", status);
 213        }
 214        if (extra.len) {
 215                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 216                strbuf_release(&extra);
 217        }
 218        fprintf(s->fp, "\n");
 219        strbuf_release(&onebuf);
 220        strbuf_release(&twobuf);
 221}
 222
 223static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 224                                         struct diff_options *options,
 225                                         void *data)
 226{
 227        struct wt_status *s = data;
 228        int i;
 229
 230        if (!q->nr)
 231                return;
 232        s->workdir_dirty = 1;
 233        for (i = 0; i < q->nr; i++) {
 234                struct diff_filepair *p;
 235                struct string_list_item *it;
 236                struct wt_status_change_data *d;
 237
 238                p = q->queue[i];
 239                it = string_list_insert(&s->change, p->one->path);
 240                d = it->util;
 241                if (!d) {
 242                        d = xcalloc(1, sizeof(*d));
 243                        it->util = d;
 244                }
 245                if (!d->worktree_status)
 246                        d->worktree_status = p->status;
 247                d->dirty_submodule = p->two->dirty_submodule;
 248                if (S_ISGITLINK(p->two->mode))
 249                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 250        }
 251}
 252
 253static int unmerged_mask(const char *path)
 254{
 255        int pos, mask;
 256        struct cache_entry *ce;
 257
 258        pos = cache_name_pos(path, strlen(path));
 259        if (0 <= pos)
 260                return 0;
 261
 262        mask = 0;
 263        pos = -pos-1;
 264        while (pos < active_nr) {
 265                ce = active_cache[pos++];
 266                if (strcmp(ce->name, path) || !ce_stage(ce))
 267                        break;
 268                mask |= (1 << (ce_stage(ce) - 1));
 269        }
 270        return mask;
 271}
 272
 273static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 274                                         struct diff_options *options,
 275                                         void *data)
 276{
 277        struct wt_status *s = data;
 278        int i;
 279
 280        for (i = 0; i < q->nr; i++) {
 281                struct diff_filepair *p;
 282                struct string_list_item *it;
 283                struct wt_status_change_data *d;
 284
 285                p = q->queue[i];
 286                it = string_list_insert(&s->change, p->two->path);
 287                d = it->util;
 288                if (!d) {
 289                        d = xcalloc(1, sizeof(*d));
 290                        it->util = d;
 291                }
 292                if (!d->index_status)
 293                        d->index_status = p->status;
 294                switch (p->status) {
 295                case DIFF_STATUS_COPIED:
 296                case DIFF_STATUS_RENAMED:
 297                        d->head_path = xstrdup(p->one->path);
 298                        break;
 299                case DIFF_STATUS_UNMERGED:
 300                        d->stagemask = unmerged_mask(p->two->path);
 301                        break;
 302                }
 303        }
 304}
 305
 306static void wt_status_collect_changes_worktree(struct wt_status *s)
 307{
 308        struct rev_info rev;
 309
 310        init_revisions(&rev, NULL);
 311        setup_revisions(0, NULL, &rev, NULL);
 312        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 313        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 314        if (!s->show_untracked_files)
 315                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 316        if (s->ignore_submodule_arg) {
 317                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 318                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 319    }
 320        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 321        rev.diffopt.format_callback_data = s;
 322        rev.prune_data = s->pathspec;
 323        run_diff_files(&rev, 0);
 324}
 325
 326static void wt_status_collect_changes_index(struct wt_status *s)
 327{
 328        struct rev_info rev;
 329        struct setup_revision_opt opt;
 330
 331        init_revisions(&rev, NULL);
 332        memset(&opt, 0, sizeof(opt));
 333        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 334        setup_revisions(0, NULL, &rev, &opt);
 335
 336        if (s->ignore_submodule_arg) {
 337                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 338                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 339        }
 340
 341        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 342        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 343        rev.diffopt.format_callback_data = s;
 344        rev.diffopt.detect_rename = 1;
 345        rev.diffopt.rename_limit = 200;
 346        rev.diffopt.break_opt = 0;
 347        rev.prune_data = s->pathspec;
 348        run_diff_index(&rev, 1);
 349}
 350
 351static void wt_status_collect_changes_initial(struct wt_status *s)
 352{
 353        int i;
 354
 355        for (i = 0; i < active_nr; i++) {
 356                struct string_list_item *it;
 357                struct wt_status_change_data *d;
 358                struct cache_entry *ce = active_cache[i];
 359
 360                if (!ce_path_match(ce, s->pathspec))
 361                        continue;
 362                it = string_list_insert(&s->change, ce->name);
 363                d = it->util;
 364                if (!d) {
 365                        d = xcalloc(1, sizeof(*d));
 366                        it->util = d;
 367                }
 368                if (ce_stage(ce)) {
 369                        d->index_status = DIFF_STATUS_UNMERGED;
 370                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 371                }
 372                else
 373                        d->index_status = DIFF_STATUS_ADDED;
 374        }
 375}
 376
 377static void wt_status_collect_untracked(struct wt_status *s)
 378{
 379        int i;
 380        struct dir_struct dir;
 381
 382        if (!s->show_untracked_files)
 383                return;
 384        memset(&dir, 0, sizeof(dir));
 385        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 386                dir.flags |=
 387                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 388        setup_standard_excludes(&dir);
 389
 390        fill_directory(&dir, s->pathspec);
 391        for (i = 0; i < dir.nr; i++) {
 392                struct dir_entry *ent = dir.entries[i];
 393                if (!cache_name_is_other(ent->name, ent->len))
 394                        continue;
 395                if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 396                        continue;
 397                string_list_insert(&s->untracked, ent->name);
 398                free(ent);
 399        }
 400
 401        if (s->show_ignored_files) {
 402                dir.nr = 0;
 403                dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
 404                fill_directory(&dir, s->pathspec);
 405                for (i = 0; i < dir.nr; i++) {
 406                        struct dir_entry *ent = dir.entries[i];
 407                        if (!cache_name_is_other(ent->name, ent->len))
 408                                continue;
 409                        if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 410                                continue;
 411                        string_list_insert(&s->ignored, ent->name);
 412                        free(ent);
 413                }
 414        }
 415
 416        free(dir.entries);
 417}
 418
 419void wt_status_collect(struct wt_status *s)
 420{
 421        wt_status_collect_changes_worktree(s);
 422
 423        if (s->is_initial)
 424                wt_status_collect_changes_initial(s);
 425        else
 426                wt_status_collect_changes_index(s);
 427        wt_status_collect_untracked(s);
 428}
 429
 430static void wt_status_print_unmerged(struct wt_status *s)
 431{
 432        int shown_header = 0;
 433        int i;
 434
 435        for (i = 0; i < s->change.nr; i++) {
 436                struct wt_status_change_data *d;
 437                struct string_list_item *it;
 438                it = &(s->change.items[i]);
 439                d = it->util;
 440                if (!d->stagemask)
 441                        continue;
 442                if (!shown_header) {
 443                        wt_status_print_unmerged_header(s);
 444                        shown_header = 1;
 445                }
 446                wt_status_print_unmerged_data(s, it);
 447        }
 448        if (shown_header)
 449                wt_status_print_trailer(s);
 450
 451}
 452
 453static void wt_status_print_updated(struct wt_status *s)
 454{
 455        int shown_header = 0;
 456        int i;
 457
 458        for (i = 0; i < s->change.nr; i++) {
 459                struct wt_status_change_data *d;
 460                struct string_list_item *it;
 461                it = &(s->change.items[i]);
 462                d = it->util;
 463                if (!d->index_status ||
 464                    d->index_status == DIFF_STATUS_UNMERGED)
 465                        continue;
 466                if (!shown_header) {
 467                        wt_status_print_cached_header(s);
 468                        s->commitable = 1;
 469                        shown_header = 1;
 470                }
 471                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 472        }
 473        if (shown_header)
 474                wt_status_print_trailer(s);
 475}
 476
 477/*
 478 * -1 : has delete
 479 *  0 : no change
 480 *  1 : some change but no delete
 481 */
 482static int wt_status_check_worktree_changes(struct wt_status *s,
 483                                             int *dirty_submodules)
 484{
 485        int i;
 486        int changes = 0;
 487
 488        *dirty_submodules = 0;
 489
 490        for (i = 0; i < s->change.nr; i++) {
 491                struct wt_status_change_data *d;
 492                d = s->change.items[i].util;
 493                if (!d->worktree_status ||
 494                    d->worktree_status == DIFF_STATUS_UNMERGED)
 495                        continue;
 496                if (!changes)
 497                        changes = 1;
 498                if (d->dirty_submodule)
 499                        *dirty_submodules = 1;
 500                if (d->worktree_status == DIFF_STATUS_DELETED)
 501                        changes = -1;
 502        }
 503        return changes;
 504}
 505
 506static void wt_status_print_changed(struct wt_status *s)
 507{
 508        int i, dirty_submodules;
 509        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 510
 511        if (!worktree_changes)
 512                return;
 513
 514        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 515
 516        for (i = 0; i < s->change.nr; i++) {
 517                struct wt_status_change_data *d;
 518                struct string_list_item *it;
 519                it = &(s->change.items[i]);
 520                d = it->util;
 521                if (!d->worktree_status ||
 522                    d->worktree_status == DIFF_STATUS_UNMERGED)
 523                        continue;
 524                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 525        }
 526        wt_status_print_trailer(s);
 527}
 528
 529static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 530{
 531        struct child_process sm_summary;
 532        char summary_limit[64];
 533        char index[PATH_MAX];
 534        const char *env[] = { NULL, NULL };
 535        const char *argv[8];
 536
 537        env[0] =        index;
 538        argv[0] =       "submodule";
 539        argv[1] =       "summary";
 540        argv[2] =       uncommitted ? "--files" : "--cached";
 541        argv[3] =       "--for-status";
 542        argv[4] =       "--summary-limit";
 543        argv[5] =       summary_limit;
 544        argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 545        argv[7] =       NULL;
 546
 547        sprintf(summary_limit, "%d", s->submodule_summary);
 548        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 549
 550        memset(&sm_summary, 0, sizeof(sm_summary));
 551        sm_summary.argv = argv;
 552        sm_summary.env = env;
 553        sm_summary.git_cmd = 1;
 554        sm_summary.no_stdin = 1;
 555        fflush(s->fp);
 556        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 557        run_command(&sm_summary);
 558}
 559
 560static void wt_status_print_other(struct wt_status *s,
 561                                  struct string_list *l,
 562                                  const char *what,
 563                                  const char *how)
 564{
 565        int i;
 566        struct strbuf buf = STRBUF_INIT;
 567
 568        if (!s->untracked.nr)
 569                return;
 570
 571        wt_status_print_other_header(s, what, how);
 572
 573        for (i = 0; i < l->nr; i++) {
 574                struct string_list_item *it;
 575                it = &(l->items[i]);
 576                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 577                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 578                                 quote_path(it->string, strlen(it->string),
 579                                            &buf, s->prefix));
 580        }
 581        strbuf_release(&buf);
 582}
 583
 584static void wt_status_print_verbose(struct wt_status *s)
 585{
 586        struct rev_info rev;
 587        struct setup_revision_opt opt;
 588
 589        init_revisions(&rev, NULL);
 590        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 591
 592        memset(&opt, 0, sizeof(opt));
 593        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 594        setup_revisions(0, NULL, &rev, &opt);
 595
 596        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 597        rev.diffopt.detect_rename = 1;
 598        rev.diffopt.file = s->fp;
 599        rev.diffopt.close_file = 0;
 600        /*
 601         * If we're not going to stdout, then we definitely don't
 602         * want color, since we are going to the commit message
 603         * file (and even the "auto" setting won't work, since it
 604         * will have checked isatty on stdout).
 605         */
 606        if (s->fp != stdout)
 607                DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 608        run_diff_index(&rev, 1);
 609}
 610
 611static void wt_status_print_tracking(struct wt_status *s)
 612{
 613        struct strbuf sb = STRBUF_INIT;
 614        const char *cp, *ep;
 615        struct branch *branch;
 616
 617        assert(s->branch && !s->is_initial);
 618        if (prefixcmp(s->branch, "refs/heads/"))
 619                return;
 620        branch = branch_get(s->branch + 11);
 621        if (!format_tracking_info(branch, &sb))
 622                return;
 623
 624        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 625                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 626                                 "# %.*s", (int)(ep - cp), cp);
 627        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 628}
 629
 630void wt_status_print(struct wt_status *s)
 631{
 632        const char *branch_color = color(WT_STATUS_HEADER, s);
 633
 634        if (s->branch) {
 635                const char *on_what = "On branch ";
 636                const char *branch_name = s->branch;
 637                if (!prefixcmp(branch_name, "refs/heads/"))
 638                        branch_name += 11;
 639                else if (!strcmp(branch_name, "HEAD")) {
 640                        branch_name = "";
 641                        branch_color = color(WT_STATUS_NOBRANCH, s);
 642                        on_what = "Not currently on any branch.";
 643                }
 644                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 645                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 646                if (!s->is_initial)
 647                        wt_status_print_tracking(s);
 648        }
 649
 650        if (s->is_initial) {
 651                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 652                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 653                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 654        }
 655
 656        wt_status_print_updated(s);
 657        wt_status_print_unmerged(s);
 658        wt_status_print_changed(s);
 659        if (s->submodule_summary &&
 660            (!s->ignore_submodule_arg ||
 661             strcmp(s->ignore_submodule_arg, "all"))) {
 662                wt_status_print_submodule_summary(s, 0);  /* staged */
 663                wt_status_print_submodule_summary(s, 1);  /* unstaged */
 664        }
 665        if (s->show_untracked_files) {
 666                wt_status_print_other(s, &s->untracked, "Untracked", "add");
 667                if (s->show_ignored_files)
 668                        wt_status_print_other(s, &s->ignored, "Ignored", "add -f");
 669        } else if (s->commitable)
 670                fprintf(s->fp, "# Untracked files not listed%s\n",
 671                        advice_status_hints
 672                        ? " (use -u option to show untracked files)" : "");
 673
 674        if (s->verbose)
 675                wt_status_print_verbose(s);
 676        if (!s->commitable) {
 677                if (s->amend)
 678                        fprintf(s->fp, "# No changes\n");
 679                else if (s->nowarn)
 680                        ; /* nothing */
 681                else if (s->workdir_dirty)
 682                        printf("no changes added to commit%s\n",
 683                                advice_status_hints
 684                                ? " (use \"git add\" and/or \"git commit -a\")" : "");
 685                else if (s->untracked.nr)
 686                        printf("nothing added to commit but untracked files present%s\n",
 687                                advice_status_hints
 688                                ? " (use \"git add\" to track)" : "");
 689                else if (s->is_initial)
 690                        printf("nothing to commit%s\n", advice_status_hints
 691                                ? " (create/copy files and use \"git add\" to track)" : "");
 692                else if (!s->show_untracked_files)
 693                        printf("nothing to commit%s\n", advice_status_hints
 694                                ? " (use -u to show untracked files)" : "");
 695                else
 696                        printf("nothing to commit%s\n", advice_status_hints
 697                                ? " (working directory clean)" : "");
 698        }
 699}
 700
 701static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 702                           struct wt_status *s)
 703{
 704        struct wt_status_change_data *d = it->util;
 705        const char *how = "??";
 706
 707        switch (d->stagemask) {
 708        case 1: how = "DD"; break; /* both deleted */
 709        case 2: how = "AU"; break; /* added by us */
 710        case 3: how = "UD"; break; /* deleted by them */
 711        case 4: how = "UA"; break; /* added by them */
 712        case 5: how = "DU"; break; /* deleted by us */
 713        case 6: how = "AA"; break; /* both added */
 714        case 7: how = "UU"; break; /* both modified */
 715        }
 716        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 717        if (null_termination) {
 718                fprintf(stdout, " %s%c", it->string, 0);
 719        } else {
 720                struct strbuf onebuf = STRBUF_INIT;
 721                const char *one;
 722                one = quote_path(it->string, -1, &onebuf, s->prefix);
 723                printf(" %s\n", one);
 724                strbuf_release(&onebuf);
 725        }
 726}
 727
 728static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 729                         struct wt_status *s)
 730{
 731        struct wt_status_change_data *d = it->util;
 732
 733        if (d->index_status)
 734                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 735        else
 736                putchar(' ');
 737        if (d->worktree_status)
 738                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 739        else
 740                putchar(' ');
 741        putchar(' ');
 742        if (null_termination) {
 743                fprintf(stdout, "%s%c", it->string, 0);
 744                if (d->head_path)
 745                        fprintf(stdout, "%s%c", d->head_path, 0);
 746        } else {
 747                struct strbuf onebuf = STRBUF_INIT;
 748                const char *one;
 749                if (d->head_path) {
 750                        one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 751                        printf("%s -> ", one);
 752                        strbuf_release(&onebuf);
 753                }
 754                one = quote_path(it->string, -1, &onebuf, s->prefix);
 755                printf("%s\n", one);
 756                strbuf_release(&onebuf);
 757        }
 758}
 759
 760static void wt_shortstatus_other(int null_termination, struct string_list_item *it,
 761                                 struct wt_status *s, const char *sign)
 762{
 763        if (null_termination) {
 764                fprintf(stdout, "%s %s%c", sign, it->string, 0);
 765        } else {
 766                struct strbuf onebuf = STRBUF_INIT;
 767                const char *one;
 768                one = quote_path(it->string, -1, &onebuf, s->prefix);
 769                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
 770                printf(" %s\n", one);
 771                strbuf_release(&onebuf);
 772        }
 773}
 774
 775static void wt_shortstatus_print_tracking(struct wt_status *s)
 776{
 777        struct branch *branch;
 778        const char *header_color = color(WT_STATUS_HEADER, s);
 779        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
 780        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
 781
 782        const char *base;
 783        const char *branch_name;
 784        int num_ours, num_theirs;
 785
 786        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
 787
 788        if (!s->branch)
 789                return;
 790        branch_name = s->branch;
 791
 792        if (!prefixcmp(branch_name, "refs/heads/"))
 793                branch_name += 11;
 794        else if (!strcmp(branch_name, "HEAD")) {
 795                branch_name = "HEAD (no branch)";
 796                branch_color_local = color(WT_STATUS_NOBRANCH, s);
 797        }
 798
 799        branch = branch_get(s->branch + 11);
 800        if (s->is_initial)
 801                color_fprintf(s->fp, header_color, "Initial commit on ");
 802        if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
 803                color_fprintf_ln(s->fp, branch_color_local,
 804                        "%s", branch_name);
 805                return;
 806        }
 807
 808        base = branch->merge[0]->dst;
 809        base = shorten_unambiguous_ref(base, 0);
 810        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
 811        color_fprintf(s->fp, header_color, "...");
 812        color_fprintf(s->fp, branch_color_remote, "%s", base);
 813
 814        color_fprintf(s->fp, header_color, " [");
 815        if (!num_ours) {
 816                color_fprintf(s->fp, header_color, "behind ");
 817                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 818        } else if (!num_theirs) {
 819                color_fprintf(s->fp, header_color, "ahead ");
 820                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 821        } else {
 822                color_fprintf(s->fp, header_color, "ahead ");
 823                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 824                color_fprintf(s->fp, header_color, ", behind ");
 825                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 826        }
 827
 828        color_fprintf_ln(s->fp, header_color, "]");
 829}
 830
 831void wt_shortstatus_print(struct wt_status *s, int null_termination, int show_branch)
 832{
 833        int i;
 834
 835        if (show_branch)
 836                wt_shortstatus_print_tracking(s);
 837
 838        for (i = 0; i < s->change.nr; i++) {
 839                struct wt_status_change_data *d;
 840                struct string_list_item *it;
 841
 842                it = &(s->change.items[i]);
 843                d = it->util;
 844                if (d->stagemask)
 845                        wt_shortstatus_unmerged(null_termination, it, s);
 846                else
 847                        wt_shortstatus_status(null_termination, it, s);
 848        }
 849        for (i = 0; i < s->untracked.nr; i++) {
 850                struct string_list_item *it;
 851
 852                it = &(s->untracked.items[i]);
 853                wt_shortstatus_other(null_termination, it, s, "??");
 854        }
 855        for (i = 0; i < s->ignored.nr; i++) {
 856                struct string_list_item *it;
 857
 858                it = &(s->ignored.items[i]);
 859                wt_shortstatus_other(null_termination, it, s, "!!");
 860        }
 861}
 862
 863void wt_porcelain_print(struct wt_status *s, int null_termination)
 864{
 865        s->use_color = 0;
 866        s->relative_paths = 0;
 867        s->prefix = NULL;
 868        wt_shortstatus_print(s, null_termination, 0);
 869}