wt-status.con commit Merge branch 'jh/maint-do-not-track-non-branches' (663ee1a)
   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        GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
  25};
  26
  27static const char *color(int slot, struct wt_status *s)
  28{
  29        const char *c = s->use_color > 0 ? s->color_palette[slot] : "";
  30        if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
  31                c = s->color_palette[WT_STATUS_HEADER];
  32        return c;
  33}
  34
  35void wt_status_prepare(struct wt_status *s)
  36{
  37        unsigned char sha1[20];
  38        const char *head;
  39
  40        memset(s, 0, sizeof(*s));
  41        memcpy(s->color_palette, default_wt_status_colors,
  42               sizeof(default_wt_status_colors));
  43        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  44        s->use_color = -1;
  45        s->relative_paths = 1;
  46        head = resolve_ref("HEAD", sha1, 0, NULL);
  47        s->branch = head ? xstrdup(head) : NULL;
  48        s->reference = "HEAD";
  49        s->fp = stdout;
  50        s->index_file = get_index_file();
  51        s->change.strdup_strings = 1;
  52        s->untracked.strdup_strings = 1;
  53        s->ignored.strdup_strings = 1;
  54}
  55
  56static void wt_status_print_unmerged_header(struct wt_status *s)
  57{
  58        const char *c = color(WT_STATUS_HEADER, s);
  59
  60        color_fprintf_ln(s->fp, c, "# Unmerged paths:");
  61        if (!advice_status_hints)
  62                return;
  63        if (s->whence != FROM_COMMIT)
  64                ;
  65        else if (!s->is_initial)
  66                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  67        else
  68                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  69        color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
  70        color_fprintf_ln(s->fp, c, "#");
  71}
  72
  73static void wt_status_print_cached_header(struct wt_status *s)
  74{
  75        const char *c = color(WT_STATUS_HEADER, s);
  76
  77        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  78        if (!advice_status_hints)
  79                return;
  80        if (s->whence != FROM_COMMIT)
  81                ; /* NEEDSWORK: use "git reset --unresolve"??? */
  82        else if (!s->is_initial)
  83                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  84        else
  85                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  86        color_fprintf_ln(s->fp, c, "#");
  87}
  88
  89static void wt_status_print_dirty_header(struct wt_status *s,
  90                                         int has_deleted,
  91                                         int has_dirty_submodules)
  92{
  93        const char *c = color(WT_STATUS_HEADER, s);
  94
  95        color_fprintf_ln(s->fp, c, "# Changes not staged for commit:");
  96        if (!advice_status_hints)
  97                return;
  98        if (!has_deleted)
  99                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
 100        else
 101                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
 102        color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
 103        if (has_dirty_submodules)
 104                color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
 105        color_fprintf_ln(s->fp, c, "#");
 106}
 107
 108static void wt_status_print_other_header(struct wt_status *s,
 109                                         const char *what,
 110                                         const char *how)
 111{
 112        const char *c = color(WT_STATUS_HEADER, s);
 113        color_fprintf_ln(s->fp, c, "# %s files:", what);
 114        if (!advice_status_hints)
 115                return;
 116        color_fprintf_ln(s->fp, c, "#   (use \"git %s <file>...\" to include in what will be committed)", how);
 117        color_fprintf_ln(s->fp, c, "#");
 118}
 119
 120static void wt_status_print_trailer(struct wt_status *s)
 121{
 122        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 123}
 124
 125#define quote_path quote_path_relative
 126
 127static void wt_status_print_unmerged_data(struct wt_status *s,
 128                                          struct string_list_item *it)
 129{
 130        const char *c = color(WT_STATUS_UNMERGED, s);
 131        struct wt_status_change_data *d = it->util;
 132        struct strbuf onebuf = STRBUF_INIT;
 133        const char *one, *how = "bug";
 134
 135        one = quote_path(it->string, -1, &onebuf, s->prefix);
 136        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 137        switch (d->stagemask) {
 138        case 1: how = "both deleted:"; break;
 139        case 2: how = "added by us:"; break;
 140        case 3: how = "deleted by them:"; break;
 141        case 4: how = "added by them:"; break;
 142        case 5: how = "deleted by us:"; break;
 143        case 6: how = "both added:"; break;
 144        case 7: how = "both modified:"; break;
 145        }
 146        color_fprintf(s->fp, c, "%-20s%s\n", how, one);
 147        strbuf_release(&onebuf);
 148}
 149
 150static void wt_status_print_change_data(struct wt_status *s,
 151                                        int change_type,
 152                                        struct string_list_item *it)
 153{
 154        struct wt_status_change_data *d = it->util;
 155        const char *c = color(change_type, s);
 156        int status = status;
 157        char *one_name;
 158        char *two_name;
 159        const char *one, *two;
 160        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 161        struct strbuf extra = STRBUF_INIT;
 162
 163        one_name = two_name = it->string;
 164        switch (change_type) {
 165        case WT_STATUS_UPDATED:
 166                status = d->index_status;
 167                if (d->head_path)
 168                        one_name = d->head_path;
 169                break;
 170        case WT_STATUS_CHANGED:
 171                if (d->new_submodule_commits || d->dirty_submodule) {
 172                        strbuf_addstr(&extra, " (");
 173                        if (d->new_submodule_commits)
 174                                strbuf_addf(&extra, "new commits, ");
 175                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
 176                                strbuf_addf(&extra, "modified content, ");
 177                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
 178                                strbuf_addf(&extra, "untracked content, ");
 179                        strbuf_setlen(&extra, extra.len - 2);
 180                        strbuf_addch(&extra, ')');
 181                }
 182                status = d->worktree_status;
 183                break;
 184        }
 185
 186        one = quote_path(one_name, -1, &onebuf, s->prefix);
 187        two = quote_path(two_name, -1, &twobuf, s->prefix);
 188
 189        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 190        switch (status) {
 191        case DIFF_STATUS_ADDED:
 192                color_fprintf(s->fp, c, "new file:   %s", one);
 193                break;
 194        case DIFF_STATUS_COPIED:
 195                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 196                break;
 197        case DIFF_STATUS_DELETED:
 198                color_fprintf(s->fp, c, "deleted:    %s", one);
 199                break;
 200        case DIFF_STATUS_MODIFIED:
 201                color_fprintf(s->fp, c, "modified:   %s", one);
 202                break;
 203        case DIFF_STATUS_RENAMED:
 204                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 205                break;
 206        case DIFF_STATUS_TYPE_CHANGED:
 207                color_fprintf(s->fp, c, "typechange: %s", one);
 208                break;
 209        case DIFF_STATUS_UNKNOWN:
 210                color_fprintf(s->fp, c, "unknown:    %s", one);
 211                break;
 212        case DIFF_STATUS_UNMERGED:
 213                color_fprintf(s->fp, c, "unmerged:   %s", one);
 214                break;
 215        default:
 216                die("bug: unhandled diff status %c", status);
 217        }
 218        if (extra.len) {
 219                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
 220                strbuf_release(&extra);
 221        }
 222        fprintf(s->fp, "\n");
 223        strbuf_release(&onebuf);
 224        strbuf_release(&twobuf);
 225}
 226
 227static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 228                                         struct diff_options *options,
 229                                         void *data)
 230{
 231        struct wt_status *s = data;
 232        int i;
 233
 234        if (!q->nr)
 235                return;
 236        s->workdir_dirty = 1;
 237        for (i = 0; i < q->nr; i++) {
 238                struct diff_filepair *p;
 239                struct string_list_item *it;
 240                struct wt_status_change_data *d;
 241
 242                p = q->queue[i];
 243                it = string_list_insert(&s->change, p->one->path);
 244                d = it->util;
 245                if (!d) {
 246                        d = xcalloc(1, sizeof(*d));
 247                        it->util = d;
 248                }
 249                if (!d->worktree_status)
 250                        d->worktree_status = p->status;
 251                d->dirty_submodule = p->two->dirty_submodule;
 252                if (S_ISGITLINK(p->two->mode))
 253                        d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
 254        }
 255}
 256
 257static int unmerged_mask(const char *path)
 258{
 259        int pos, mask;
 260        struct cache_entry *ce;
 261
 262        pos = cache_name_pos(path, strlen(path));
 263        if (0 <= pos)
 264                return 0;
 265
 266        mask = 0;
 267        pos = -pos-1;
 268        while (pos < active_nr) {
 269                ce = active_cache[pos++];
 270                if (strcmp(ce->name, path) || !ce_stage(ce))
 271                        break;
 272                mask |= (1 << (ce_stage(ce) - 1));
 273        }
 274        return mask;
 275}
 276
 277static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 278                                         struct diff_options *options,
 279                                         void *data)
 280{
 281        struct wt_status *s = data;
 282        int i;
 283
 284        for (i = 0; i < q->nr; i++) {
 285                struct diff_filepair *p;
 286                struct string_list_item *it;
 287                struct wt_status_change_data *d;
 288
 289                p = q->queue[i];
 290                it = string_list_insert(&s->change, p->two->path);
 291                d = it->util;
 292                if (!d) {
 293                        d = xcalloc(1, sizeof(*d));
 294                        it->util = d;
 295                }
 296                if (!d->index_status)
 297                        d->index_status = p->status;
 298                switch (p->status) {
 299                case DIFF_STATUS_COPIED:
 300                case DIFF_STATUS_RENAMED:
 301                        d->head_path = xstrdup(p->one->path);
 302                        break;
 303                case DIFF_STATUS_UNMERGED:
 304                        d->stagemask = unmerged_mask(p->two->path);
 305                        break;
 306                }
 307        }
 308}
 309
 310static void wt_status_collect_changes_worktree(struct wt_status *s)
 311{
 312        struct rev_info rev;
 313
 314        init_revisions(&rev, NULL);
 315        setup_revisions(0, NULL, &rev, NULL);
 316        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 317        DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
 318        if (!s->show_untracked_files)
 319                DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
 320        if (s->ignore_submodule_arg) {
 321                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 322                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 323    }
 324        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 325        rev.diffopt.format_callback_data = s;
 326        init_pathspec(&rev.prune_data, s->pathspec);
 327        run_diff_files(&rev, 0);
 328}
 329
 330static void wt_status_collect_changes_index(struct wt_status *s)
 331{
 332        struct rev_info rev;
 333        struct setup_revision_opt opt;
 334
 335        init_revisions(&rev, NULL);
 336        memset(&opt, 0, sizeof(opt));
 337        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 338        setup_revisions(0, NULL, &rev, &opt);
 339
 340        if (s->ignore_submodule_arg) {
 341                DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
 342                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
 343        }
 344
 345        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 346        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 347        rev.diffopt.format_callback_data = s;
 348        rev.diffopt.detect_rename = 1;
 349        rev.diffopt.rename_limit = 200;
 350        rev.diffopt.break_opt = 0;
 351        init_pathspec(&rev.prune_data, s->pathspec);
 352        run_diff_index(&rev, 1);
 353}
 354
 355static void wt_status_collect_changes_initial(struct wt_status *s)
 356{
 357        struct pathspec pathspec;
 358        int i;
 359
 360        init_pathspec(&pathspec, s->pathspec);
 361        for (i = 0; i < active_nr; i++) {
 362                struct string_list_item *it;
 363                struct wt_status_change_data *d;
 364                struct cache_entry *ce = active_cache[i];
 365
 366                if (!ce_path_match(ce, &pathspec))
 367                        continue;
 368                it = string_list_insert(&s->change, ce->name);
 369                d = it->util;
 370                if (!d) {
 371                        d = xcalloc(1, sizeof(*d));
 372                        it->util = d;
 373                }
 374                if (ce_stage(ce)) {
 375                        d->index_status = DIFF_STATUS_UNMERGED;
 376                        d->stagemask |= (1 << (ce_stage(ce) - 1));
 377                }
 378                else
 379                        d->index_status = DIFF_STATUS_ADDED;
 380        }
 381        free_pathspec(&pathspec);
 382}
 383
 384static void wt_status_collect_untracked(struct wt_status *s)
 385{
 386        int i;
 387        struct dir_struct dir;
 388
 389        if (!s->show_untracked_files)
 390                return;
 391        memset(&dir, 0, sizeof(dir));
 392        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
 393                dir.flags |=
 394                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 395        setup_standard_excludes(&dir);
 396
 397        fill_directory(&dir, s->pathspec);
 398        for (i = 0; i < dir.nr; i++) {
 399                struct dir_entry *ent = dir.entries[i];
 400                if (cache_name_is_other(ent->name, ent->len) &&
 401                    match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 402                        string_list_insert(&s->untracked, ent->name);
 403                free(ent);
 404        }
 405
 406        if (s->show_ignored_files) {
 407                dir.nr = 0;
 408                dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
 409                fill_directory(&dir, s->pathspec);
 410                for (i = 0; i < dir.nr; i++) {
 411                        struct dir_entry *ent = dir.entries[i];
 412                        if (cache_name_is_other(ent->name, ent->len) &&
 413                            match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 414                                string_list_insert(&s->ignored, ent->name);
 415                        free(ent);
 416                }
 417        }
 418
 419        free(dir.entries);
 420}
 421
 422void wt_status_collect(struct wt_status *s)
 423{
 424        wt_status_collect_changes_worktree(s);
 425
 426        if (s->is_initial)
 427                wt_status_collect_changes_initial(s);
 428        else
 429                wt_status_collect_changes_index(s);
 430        wt_status_collect_untracked(s);
 431}
 432
 433static void wt_status_print_unmerged(struct wt_status *s)
 434{
 435        int shown_header = 0;
 436        int i;
 437
 438        for (i = 0; i < s->change.nr; i++) {
 439                struct wt_status_change_data *d;
 440                struct string_list_item *it;
 441                it = &(s->change.items[i]);
 442                d = it->util;
 443                if (!d->stagemask)
 444                        continue;
 445                if (!shown_header) {
 446                        wt_status_print_unmerged_header(s);
 447                        shown_header = 1;
 448                }
 449                wt_status_print_unmerged_data(s, it);
 450        }
 451        if (shown_header)
 452                wt_status_print_trailer(s);
 453
 454}
 455
 456static void wt_status_print_updated(struct wt_status *s)
 457{
 458        int shown_header = 0;
 459        int i;
 460
 461        for (i = 0; i < s->change.nr; i++) {
 462                struct wt_status_change_data *d;
 463                struct string_list_item *it;
 464                it = &(s->change.items[i]);
 465                d = it->util;
 466                if (!d->index_status ||
 467                    d->index_status == DIFF_STATUS_UNMERGED)
 468                        continue;
 469                if (!shown_header) {
 470                        wt_status_print_cached_header(s);
 471                        s->commitable = 1;
 472                        shown_header = 1;
 473                }
 474                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 475        }
 476        if (shown_header)
 477                wt_status_print_trailer(s);
 478}
 479
 480/*
 481 * -1 : has delete
 482 *  0 : no change
 483 *  1 : some change but no delete
 484 */
 485static int wt_status_check_worktree_changes(struct wt_status *s,
 486                                             int *dirty_submodules)
 487{
 488        int i;
 489        int changes = 0;
 490
 491        *dirty_submodules = 0;
 492
 493        for (i = 0; i < s->change.nr; i++) {
 494                struct wt_status_change_data *d;
 495                d = s->change.items[i].util;
 496                if (!d->worktree_status ||
 497                    d->worktree_status == DIFF_STATUS_UNMERGED)
 498                        continue;
 499                if (!changes)
 500                        changes = 1;
 501                if (d->dirty_submodule)
 502                        *dirty_submodules = 1;
 503                if (d->worktree_status == DIFF_STATUS_DELETED)
 504                        changes = -1;
 505        }
 506        return changes;
 507}
 508
 509static void wt_status_print_changed(struct wt_status *s)
 510{
 511        int i, dirty_submodules;
 512        int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
 513
 514        if (!worktree_changes)
 515                return;
 516
 517        wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
 518
 519        for (i = 0; i < s->change.nr; i++) {
 520                struct wt_status_change_data *d;
 521                struct string_list_item *it;
 522                it = &(s->change.items[i]);
 523                d = it->util;
 524                if (!d->worktree_status ||
 525                    d->worktree_status == DIFF_STATUS_UNMERGED)
 526                        continue;
 527                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 528        }
 529        wt_status_print_trailer(s);
 530}
 531
 532static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 533{
 534        struct child_process sm_summary;
 535        char summary_limit[64];
 536        char index[PATH_MAX];
 537        const char *env[] = { NULL, NULL };
 538        const char *argv[8];
 539
 540        env[0] =        index;
 541        argv[0] =       "submodule";
 542        argv[1] =       "summary";
 543        argv[2] =       uncommitted ? "--files" : "--cached";
 544        argv[3] =       "--for-status";
 545        argv[4] =       "--summary-limit";
 546        argv[5] =       summary_limit;
 547        argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
 548        argv[7] =       NULL;
 549
 550        sprintf(summary_limit, "%d", s->submodule_summary);
 551        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 552
 553        memset(&sm_summary, 0, sizeof(sm_summary));
 554        sm_summary.argv = argv;
 555        sm_summary.env = env;
 556        sm_summary.git_cmd = 1;
 557        sm_summary.no_stdin = 1;
 558        fflush(s->fp);
 559        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 560        run_command(&sm_summary);
 561}
 562
 563static void wt_status_print_other(struct wt_status *s,
 564                                  struct string_list *l,
 565                                  const char *what,
 566                                  const char *how)
 567{
 568        int i;
 569        struct strbuf buf = STRBUF_INIT;
 570
 571        if (!s->untracked.nr)
 572                return;
 573
 574        wt_status_print_other_header(s, what, how);
 575
 576        for (i = 0; i < l->nr; i++) {
 577                struct string_list_item *it;
 578                it = &(l->items[i]);
 579                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
 580                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
 581                                 quote_path(it->string, strlen(it->string),
 582                                            &buf, s->prefix));
 583        }
 584        strbuf_release(&buf);
 585}
 586
 587static void wt_status_print_verbose(struct wt_status *s)
 588{
 589        struct rev_info rev;
 590        struct setup_revision_opt opt;
 591
 592        init_revisions(&rev, NULL);
 593        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 594
 595        memset(&opt, 0, sizeof(opt));
 596        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 597        setup_revisions(0, NULL, &rev, &opt);
 598
 599        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 600        rev.diffopt.detect_rename = 1;
 601        rev.diffopt.file = s->fp;
 602        rev.diffopt.close_file = 0;
 603        /*
 604         * If we're not going to stdout, then we definitely don't
 605         * want color, since we are going to the commit message
 606         * file (and even the "auto" setting won't work, since it
 607         * will have checked isatty on stdout).
 608         */
 609        if (s->fp != stdout)
 610                DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 611        run_diff_index(&rev, 1);
 612}
 613
 614static void wt_status_print_tracking(struct wt_status *s)
 615{
 616        struct strbuf sb = STRBUF_INIT;
 617        const char *cp, *ep;
 618        struct branch *branch;
 619
 620        assert(s->branch && !s->is_initial);
 621        if (prefixcmp(s->branch, "refs/heads/"))
 622                return;
 623        branch = branch_get(s->branch + 11);
 624        if (!format_tracking_info(branch, &sb))
 625                return;
 626
 627        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 628                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
 629                                 "# %.*s", (int)(ep - cp), cp);
 630        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 631}
 632
 633void wt_status_print(struct wt_status *s)
 634{
 635        const char *branch_color = color(WT_STATUS_ONBRANCH, s);
 636        const char *branch_status_color = color(WT_STATUS_HEADER, s);
 637
 638        if (s->branch) {
 639                const char *on_what = "On branch ";
 640                const char *branch_name = s->branch;
 641                if (!prefixcmp(branch_name, "refs/heads/"))
 642                        branch_name += 11;
 643                else if (!strcmp(branch_name, "HEAD")) {
 644                        branch_name = "";
 645                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
 646                        on_what = "Not currently on any branch.";
 647                }
 648                color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
 649                color_fprintf(s->fp, branch_status_color, "%s", on_what);
 650                color_fprintf_ln(s->fp, branch_color, "%s", branch_name);
 651                if (!s->is_initial)
 652                        wt_status_print_tracking(s);
 653        }
 654
 655        if (s->is_initial) {
 656                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 657                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
 658                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 659        }
 660
 661        wt_status_print_updated(s);
 662        wt_status_print_unmerged(s);
 663        wt_status_print_changed(s);
 664        if (s->submodule_summary &&
 665            (!s->ignore_submodule_arg ||
 666             strcmp(s->ignore_submodule_arg, "all"))) {
 667                wt_status_print_submodule_summary(s, 0);  /* staged */
 668                wt_status_print_submodule_summary(s, 1);  /* unstaged */
 669        }
 670        if (s->show_untracked_files) {
 671                wt_status_print_other(s, &s->untracked, "Untracked", "add");
 672                if (s->show_ignored_files)
 673                        wt_status_print_other(s, &s->ignored, "Ignored", "add -f");
 674        } else if (s->commitable)
 675                fprintf(s->fp, "# Untracked files not listed%s\n",
 676                        advice_status_hints
 677                        ? " (use -u option to show untracked files)" : "");
 678
 679        if (s->verbose)
 680                wt_status_print_verbose(s);
 681        if (!s->commitable) {
 682                if (s->amend)
 683                        fprintf(s->fp, "# No changes\n");
 684                else if (s->nowarn)
 685                        ; /* nothing */
 686                else if (s->workdir_dirty)
 687                        printf("no changes added to commit%s\n",
 688                                advice_status_hints
 689                                ? " (use \"git add\" and/or \"git commit -a\")" : "");
 690                else if (s->untracked.nr)
 691                        printf("nothing added to commit but untracked files present%s\n",
 692                                advice_status_hints
 693                                ? " (use \"git add\" to track)" : "");
 694                else if (s->is_initial)
 695                        printf("nothing to commit%s\n", advice_status_hints
 696                                ? " (create/copy files and use \"git add\" to track)" : "");
 697                else if (!s->show_untracked_files)
 698                        printf("nothing to commit%s\n", advice_status_hints
 699                                ? " (use -u to show untracked files)" : "");
 700                else
 701                        printf("nothing to commit%s\n", advice_status_hints
 702                                ? " (working directory clean)" : "");
 703        }
 704}
 705
 706static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
 707                           struct wt_status *s)
 708{
 709        struct wt_status_change_data *d = it->util;
 710        const char *how = "??";
 711
 712        switch (d->stagemask) {
 713        case 1: how = "DD"; break; /* both deleted */
 714        case 2: how = "AU"; break; /* added by us */
 715        case 3: how = "UD"; break; /* deleted by them */
 716        case 4: how = "UA"; break; /* added by them */
 717        case 5: how = "DU"; break; /* deleted by us */
 718        case 6: how = "AA"; break; /* both added */
 719        case 7: how = "UU"; break; /* both modified */
 720        }
 721        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
 722        if (null_termination) {
 723                fprintf(stdout, " %s%c", it->string, 0);
 724        } else {
 725                struct strbuf onebuf = STRBUF_INIT;
 726                const char *one;
 727                one = quote_path(it->string, -1, &onebuf, s->prefix);
 728                printf(" %s\n", one);
 729                strbuf_release(&onebuf);
 730        }
 731}
 732
 733static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
 734                         struct wt_status *s)
 735{
 736        struct wt_status_change_data *d = it->util;
 737
 738        if (d->index_status)
 739                color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
 740        else
 741                putchar(' ');
 742        if (d->worktree_status)
 743                color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
 744        else
 745                putchar(' ');
 746        putchar(' ');
 747        if (null_termination) {
 748                fprintf(stdout, "%s%c", it->string, 0);
 749                if (d->head_path)
 750                        fprintf(stdout, "%s%c", d->head_path, 0);
 751        } else {
 752                struct strbuf onebuf = STRBUF_INIT;
 753                const char *one;
 754                if (d->head_path) {
 755                        one = quote_path(d->head_path, -1, &onebuf, s->prefix);
 756                        if (*one != '"' && strchr(one, ' ') != NULL) {
 757                                putchar('"');
 758                                strbuf_addch(&onebuf, '"');
 759                                one = onebuf.buf;
 760                        }
 761                        printf("%s -> ", one);
 762                        strbuf_release(&onebuf);
 763                }
 764                one = quote_path(it->string, -1, &onebuf, s->prefix);
 765                if (*one != '"' && strchr(one, ' ') != NULL) {
 766                        putchar('"');
 767                        strbuf_addch(&onebuf, '"');
 768                        one = onebuf.buf;
 769                }
 770                printf("%s\n", one);
 771                strbuf_release(&onebuf);
 772        }
 773}
 774
 775static void wt_shortstatus_other(int null_termination, struct string_list_item *it,
 776                                 struct wt_status *s, const char *sign)
 777{
 778        if (null_termination) {
 779                fprintf(stdout, "%s %s%c", sign, it->string, 0);
 780        } else {
 781                struct strbuf onebuf = STRBUF_INIT;
 782                const char *one;
 783                one = quote_path(it->string, -1, &onebuf, s->prefix);
 784                color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
 785                printf(" %s\n", one);
 786                strbuf_release(&onebuf);
 787        }
 788}
 789
 790static void wt_shortstatus_print_tracking(struct wt_status *s)
 791{
 792        struct branch *branch;
 793        const char *header_color = color(WT_STATUS_HEADER, s);
 794        const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
 795        const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
 796
 797        const char *base;
 798        const char *branch_name;
 799        int num_ours, num_theirs;
 800
 801        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
 802
 803        if (!s->branch)
 804                return;
 805        branch_name = s->branch;
 806
 807        if (!prefixcmp(branch_name, "refs/heads/"))
 808                branch_name += 11;
 809        else if (!strcmp(branch_name, "HEAD")) {
 810                branch_name = "HEAD (no branch)";
 811                branch_color_local = color(WT_STATUS_NOBRANCH, s);
 812        }
 813
 814        branch = branch_get(s->branch + 11);
 815        if (s->is_initial)
 816                color_fprintf(s->fp, header_color, "Initial commit on ");
 817        if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
 818                color_fprintf_ln(s->fp, branch_color_local,
 819                        "%s", branch_name);
 820                return;
 821        }
 822
 823        base = branch->merge[0]->dst;
 824        base = shorten_unambiguous_ref(base, 0);
 825        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
 826        color_fprintf(s->fp, header_color, "...");
 827        color_fprintf(s->fp, branch_color_remote, "%s", base);
 828
 829        color_fprintf(s->fp, header_color, " [");
 830        if (!num_ours) {
 831                color_fprintf(s->fp, header_color, "behind ");
 832                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 833        } else if (!num_theirs) {
 834                color_fprintf(s->fp, header_color, "ahead ");
 835                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 836        } else {
 837                color_fprintf(s->fp, header_color, "ahead ");
 838                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
 839                color_fprintf(s->fp, header_color, ", behind ");
 840                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
 841        }
 842
 843        color_fprintf_ln(s->fp, header_color, "]");
 844}
 845
 846void wt_shortstatus_print(struct wt_status *s, int null_termination, int show_branch)
 847{
 848        int i;
 849
 850        if (show_branch)
 851                wt_shortstatus_print_tracking(s);
 852
 853        for (i = 0; i < s->change.nr; i++) {
 854                struct wt_status_change_data *d;
 855                struct string_list_item *it;
 856
 857                it = &(s->change.items[i]);
 858                d = it->util;
 859                if (d->stagemask)
 860                        wt_shortstatus_unmerged(null_termination, it, s);
 861                else
 862                        wt_shortstatus_status(null_termination, it, s);
 863        }
 864        for (i = 0; i < s->untracked.nr; i++) {
 865                struct string_list_item *it;
 866
 867                it = &(s->untracked.items[i]);
 868                wt_shortstatus_other(null_termination, it, s, "??");
 869        }
 870        for (i = 0; i < s->ignored.nr; i++) {
 871                struct string_list_item *it;
 872
 873                it = &(s->ignored.items[i]);
 874                wt_shortstatus_other(null_termination, it, s, "!!");
 875        }
 876}
 877
 878void wt_porcelain_print(struct wt_status *s, int null_termination)
 879{
 880        s->use_color = 0;
 881        s->relative_paths = 0;
 882        s->prefix = NULL;
 883        wt_shortstatus_print(s, null_termination, 0);
 884}