builtin/rev-list.c

   1 #include "cache.h"
   2 #include "config.h"
   3 #include "commit.h"
   4 #include "diff.h"
   5 #include "environment.h"
   6 #include "gettext.h"
   7 #include "hex.h"
   8 #include "revision.h"
   9 #include "list-objects.h"
  10 #include "list-objects-filter.h"
  11 #include "list-objects-filter-options.h"
  12 #include "object.h"
  13 #include "object-name.h"
  14 #include "object-file.h"
  15 #include "object-store.h"
  16 #include "pack.h"
  17 #include "pack-bitmap.h"
  18 #include "builtin.h"
  19 #include "log-tree.h"
  20 #include "graph.h"
  21 #include "bisect.h"
  22 #include "progress.h"
  23 #include "reflog-walk.h"
  24 #include "oidset.h"
  25 #include "packfile.h"
  26
  27 static const char rev_list_usage[] =
  28 "git rev-list [<options>] <commit>... [--] [<path>...]\n"
  29 "\n"
  30 "  limiting output:\n"
  31 "    --max-count=<n>\n"
  32 "    --max-age=<epoch>\n"
  33 "    --min-age=<epoch>\n"
  34 "    --sparse\n"
  35 "    --no-merges\n"
  36 "    --min-parents=<n>\n"
  37 "    --no-min-parents\n"
  38 "    --max-parents=<n>\n"
  39 "    --no-max-parents\n"
  40 "    --remove-empty\n"
  41 "    --all\n"
  42 "    --branches\n"
  43 "    --tags\n"
  44 "    --remotes\n"
  45 "    --stdin\n"
  46 "    --exclude-hidden=[fetch|receive|uploadpack]\n"
  47 "    --quiet\n"
  48 "  ordering output:\n"
  49 "    --topo-order\n"
  50 "    --date-order\n"
  51 "    --reverse\n"
  52 "  formatting output:\n"
  53 "    --parents\n"
  54 "    --children\n"
  55 "    --objects | --objects-edge\n"
  56 "    --disk-usage[=human]\n"
  57 "    --unpacked\n"
  58 "    --header | --pretty\n"
  59 "    --[no-]object-names\n"
  60 "    --abbrev=<n> | --no-abbrev\n"
  61 "    --abbrev-commit\n"
  62 "    --left-right\n"
  63 "    --count\n"
  64 "  special purpose:\n"
  65 "    --bisect\n"
  66 "    --bisect-vars\n"
  67 "    --bisect-all"
  68 ;
  69
  70 static struct progress *progress;
  71 static unsigned progress_counter;
  72
  73 static struct oidset omitted_objects;
  74 static int arg_print_omitted; /* print objects omitted by filter */
  75
  76 static struct oidset missing_objects;
  77 enum missing_action {
  78         MA_ERROR = 0,    /* fail if any missing objects are encountered */
  79         MA_ALLOW_ANY,    /* silently allow ALL missing objects */
  80         MA_PRINT,        /* print ALL missing objects in special section */
  81         MA_ALLOW_PROMISOR, /* silently allow all missing PROMISOR objects */
  82 };
  83 static enum missing_action arg_missing_action;
  84
  85 /* display only the oid of each object encountered */
  86 static int arg_show_object_names = 1;
  87
  88 #define DEFAULT_OIDSET_SIZE     (16*1024)
  89
  90 static int show_disk_usage;
  91 static off_t total_disk_usage;
  92 static int human_readable;
  93
  94 static off_t get_object_disk_usage(struct object *obj)
  95 {
  96         off_t size;
  97         struct object_info oi = OBJECT_INFO_INIT;
  98         oi.disk_sizep = &size;
  99         if (oid_object_info_extended(the_repository, &obj->oid, &oi, 0) < 0)
 100                 die(_("unable to get disk usage of %s"), oid_to_hex(&obj->oid));
 101         return size;
 102 }
 103
 104 static void finish_commit(struct commit *commit);
 105 static void show_commit(struct commit *commit, void *data)
 106 {
 107         struct rev_list_info *info = data;
 108         struct rev_info *revs = info->revs;
 109
 110         display_progress(progress, ++progress_counter);
 111
 112         if (show_disk_usage)
 113                 total_disk_usage += get_object_disk_usage(&commit->object);
 114
 115         if (info->flags & REV_LIST_QUIET) {
 116                 finish_commit(commit);
 117                 return;
 118         }
 119
 120         graph_show_commit(revs->graph);
 121
 122         if (revs->count) {
 123                 if (commit->object.flags & PATCHSAME)
 124                         revs->count_same++;
 125                 else if (commit->object.flags & SYMMETRIC_LEFT)
 126                         revs->count_left++;
 127                 else
 128                         revs->count_right++;
 129                 finish_commit(commit);
 130                 return;
 131         }
 132
 133         if (info->show_timestamp)
 134                 printf("%"PRItime" ", commit->date);
 135         if (info->header_prefix)
 136                 fputs(info->header_prefix, stdout);
 137
 138         if (revs->include_header) {
 139                 if (!revs->graph)
 140                         fputs(get_revision_mark(revs, commit), stdout);
 141                 if (revs->abbrev_commit && revs->abbrev)
 142                         fputs(repo_find_unique_abbrev(the_repository, &commit->object.oid, revs->abbrev),
 143                               stdout);
 144                 else
 145                         fputs(oid_to_hex(&commit->object.oid), stdout);
 146         }
 147         if (revs->print_parents) {
 148                 struct commit_list *parents = commit->parents;
 149                 while (parents) {
 150                         printf(" %s", oid_to_hex(&parents->item->object.oid));
 151                         parents = parents->next;
 152                 }
 153         }
 154         if (revs->children.name) {
 155                 struct commit_list *children;
 156
 157                 children = lookup_decoration(&revs->children, &commit->object);
 158                 while (children) {
 159                         printf(" %s", oid_to_hex(&children->item->object.oid));
 160                         children = children->next;
 161                 }
 162         }
 163         show_decorations(revs, commit);
 164         if (revs->commit_format == CMIT_FMT_ONELINE)
 165                 putchar(' ');
 166         else if (revs->include_header)
 167                 putchar('\n');
 168
 169         if (revs->verbose_header) {
 170                 struct strbuf buf = STRBUF_INIT;
 171                 struct pretty_print_context ctx = {0};
 172                 ctx.abbrev = revs->abbrev;
 173                 ctx.date_mode = revs->date_mode;
 174                 ctx.date_mode_explicit = revs->date_mode_explicit;
 175                 ctx.fmt = revs->commit_format;
 176                 ctx.output_encoding = get_log_output_encoding();
 177                 ctx.color = revs->diffopt.use_color;
 178                 pretty_print_commit(&ctx, commit, &buf);
 179                 if (buf.len) {
 180                         if (revs->commit_format != CMIT_FMT_ONELINE)
 181                                 graph_show_oneline(revs->graph);
 182
 183                         graph_show_commit_msg(revs->graph, stdout, &buf);
 184
 185                         /*
 186                          * Add a newline after the commit message.
 187                          *
 188                          * Usually, this newline produces a blank
 189                          * padding line between entries, in which case
 190                          * we need to add graph padding on this line.
 191                          *
 192                          * However, the commit message may not end in a
 193                          * newline.  In this case the newline simply
 194                          * ends the last line of the commit message,
 195                          * and we don't need any graph output.  (This
 196                          * always happens with CMIT_FMT_ONELINE, and it
 197                          * happens with CMIT_FMT_USERFORMAT when the
 198                          * format doesn't explicitly end in a newline.)
 199                          */
 200                         if (buf.len && buf.buf[buf.len - 1] == '\n')
 201                                 graph_show_padding(revs->graph);
 202                         putchar(info->hdr_termination);
 203                 } else {
 204                         /*
 205                          * If the message buffer is empty, just show
 206                          * the rest of the graph output for this
 207                          * commit.
 208                          */
 209                         if (graph_show_remainder(revs->graph))
 210                                 putchar('\n');
 211                         if (revs->commit_format == CMIT_FMT_ONELINE)
 212                                 putchar('\n');
 213                 }
 214                 strbuf_release(&buf);
 215         } else {
 216                 if (graph_show_remainder(revs->graph))
 217                         putchar('\n');
 218         }
 219         maybe_flush_or_die(stdout, "stdout");
 220         finish_commit(commit);
 221 }
 222
 223 static void finish_commit(struct commit *commit)
 224 {
 225         free_commit_list(commit->parents);
 226         commit->parents = NULL;
 227         free_commit_buffer(the_repository->parsed_objects,
 228                            commit);
 229 }
 230
 231 static inline void finish_object__ma(struct object *obj)
 232 {
 233         /*
 234          * Whether or not we try to dynamically fetch missing objects
 235          * from the server, we currently DO NOT have the object.  We
 236          * can either print, allow (ignore), or conditionally allow
 237          * (ignore) them.
 238          */
 239         switch (arg_missing_action) {
 240         case MA_ERROR:
 241                 die("missing %s object '%s'",
 242                     type_name(obj->type), oid_to_hex(&obj->oid));
 243                 return;
 244
 245         case MA_ALLOW_ANY:
 246                 return;
 247
 248         case MA_PRINT:
 249                 oidset_insert(&missing_objects, &obj->oid);
 250                 return;
 251
 252         case MA_ALLOW_PROMISOR:
 253                 if (is_promisor_object(&obj->oid))
 254                         return;
 255                 die("unexpected missing %s object '%s'",
 256                     type_name(obj->type), oid_to_hex(&obj->oid));
 257                 return;
 258
 259         default:
 260                 BUG("unhandled missing_action");
 261                 return;
 262         }
 263 }
 264
 265 static int finish_object(struct object *obj, const char *name UNUSED,
 266                          void *cb_data)
 267 {
 268         struct rev_list_info *info = cb_data;
 269         if (oid_object_info_extended(the_repository, &obj->oid, NULL, 0) < 0) {
 270                 finish_object__ma(obj);
 271                 return 1;
 272         }
 273         if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
 274                 parse_object(the_repository, &obj->oid);
 275         return 0;
 276 }
 277
 278 static void show_object(struct object *obj, const char *name, void *cb_data)
 279 {
 280         struct rev_list_info *info = cb_data;
 281         struct rev_info *revs = info->revs;
 282
 283         if (finish_object(obj, name, cb_data))
 284                 return;
 285         display_progress(progress, ++progress_counter);
 286         if (show_disk_usage)
 287                 total_disk_usage += get_object_disk_usage(obj);
 288         if (info->flags & REV_LIST_QUIET)
 289                 return;
 290
 291         if (revs->count) {
 292                 /*
 293                  * The object count is always accumulated in the .count_right
 294                  * field for traversal that is not a left-right traversal,
 295                  * and cmd_rev_list() made sure that a .count request that
 296                  * wants to count non-commit objects, which is handled by
 297                  * the show_object() callback, does not ask for .left_right.
 298                  */
 299                 revs->count_right++;
 300                 return;
 301         }
 302
 303         if (arg_show_object_names)
 304                 show_object_with_name(stdout, obj, name);
 305         else
 306                 printf("%s\n", oid_to_hex(&obj->oid));
 307 }
 308
 309 static void show_edge(struct commit *commit)
 310 {
 311         printf("-%s\n", oid_to_hex(&commit->object.oid));
 312 }
 313
 314 static void print_var_str(const char *var, const char *val)
 315 {
 316         printf("%s='%s'\n", var, val);
 317 }
 318
 319 static void print_var_int(const char *var, int val)
 320 {
 321         printf("%s=%d\n", var, val);
 322 }
 323
 324 static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
 325 {
 326         int cnt, flags = info->flags;
 327         char hex[GIT_MAX_HEXSZ + 1] = "";
 328         struct commit_list *tried;
 329         struct rev_info *revs = info->revs;
 330
 331         if (!revs->commits)
 332                 return 1;
 333
 334         revs->commits = filter_skipped(revs->commits, &tried,
 335                                        flags & BISECT_SHOW_ALL,
 336                                        NULL, NULL);
 337
 338         /*
 339          * revs->commits can reach "reaches" commits among
 340          * "all" commits.  If it is good, then there are
 341          * (all-reaches) commits left to be bisected.
 342          * On the other hand, if it is bad, then the set
 343          * to bisect is "reaches".
 344          * A bisect set of size N has (N-1) commits further
 345          * to test, as we already know one bad one.
 346          */
 347         cnt = all - reaches;
 348         if (cnt < reaches)
 349                 cnt = reaches;
 350
 351         if (revs->commits)
 352                 oid_to_hex_r(hex, &revs->commits->item->object.oid);
 353
 354         if (flags & BISECT_SHOW_ALL) {
 355                 traverse_commit_list(revs, show_commit, show_object, info);
 356                 printf("------\n");
 357         }
 358
 359         print_var_str("bisect_rev", hex);
 360         print_var_int("bisect_nr", cnt - 1);
 361         print_var_int("bisect_good", all - reaches - 1);
 362         print_var_int("bisect_bad", reaches - 1);
 363         print_var_int("bisect_all", all);
 364         print_var_int("bisect_steps", estimate_bisect_steps(all));
 365
 366         return 0;
 367 }
 368
 369 static int show_object_fast(
 370         const struct object_id *oid,
 371         enum object_type type UNUSED,
 372         int exclude UNUSED,
 373         uint32_t name_hash UNUSED,
 374         struct packed_git *found_pack UNUSED,
 375         off_t found_offset UNUSED)
 376 {
 377         fprintf(stdout, "%s\n", oid_to_hex(oid));
 378         return 1;
 379 }
 380
 381 static void print_disk_usage(off_t size)
 382 {
 383         struct strbuf sb = STRBUF_INIT;
 384         if (human_readable)
 385                 strbuf_humanise_bytes(&sb, size);
 386         else
 387                 strbuf_addf(&sb, "%"PRIuMAX, (uintmax_t)size);
 388         puts(sb.buf);
 389         strbuf_release(&sb);
 390 }
 391
 392 static inline int parse_missing_action_value(const char *value)
 393 {
 394         if (!strcmp(value, "error")) {
 395                 arg_missing_action = MA_ERROR;
 396                 return 1;
 397         }
 398
 399         if (!strcmp(value, "allow-any")) {
 400                 arg_missing_action = MA_ALLOW_ANY;
 401                 fetch_if_missing = 0;
 402                 return 1;
 403         }
 404
 405         if (!strcmp(value, "print")) {
 406                 arg_missing_action = MA_PRINT;
 407                 fetch_if_missing = 0;
 408                 return 1;
 409         }
 410
 411         if (!strcmp(value, "allow-promisor")) {
 412                 arg_missing_action = MA_ALLOW_PROMISOR;
 413                 fetch_if_missing = 0;
 414                 return 1;
 415         }
 416
 417         return 0;
 418 }
 419
 420 static int try_bitmap_count(struct rev_info *revs,
 421                             int filter_provided_objects)
 422 {
 423         uint32_t commit_count = 0,
 424                  tag_count = 0,
 425                  tree_count = 0,
 426                  blob_count = 0;
 427         int max_count;
 428         struct bitmap_index *bitmap_git;
 429
 430         /* This function only handles counting, not general traversal. */
 431         if (!revs->count)
 432                 return -1;
 433
 434         /*
 435          * A bitmap result can't know left/right, etc, because we don't
 436          * actually traverse.
 437          */
 438         if (revs->left_right || revs->cherry_mark)
 439                 return -1;
 440
 441         /*
 442          * If we're counting reachable objects, we can't handle a max count of
 443          * commits to traverse, since we don't know which objects go with which
 444          * commit.
 445          */
 446         if (revs->max_count >= 0 &&
 447             (revs->tag_objects || revs->tree_objects || revs->blob_objects))
 448                 return -1;
 449
 450         /*
 451          * This must be saved before doing any walking, since the revision
 452          * machinery will count it down to zero while traversing.
 453          */
 454         max_count = revs->max_count;
 455
 456         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 457         if (!bitmap_git)
 458                 return -1;
 459
 460         count_bitmap_commit_list(bitmap_git, &commit_count,
 461                                  revs->tree_objects ? &tree_count : NULL,
 462                                  revs->blob_objects ? &blob_count : NULL,
 463                                  revs->tag_objects ? &tag_count : NULL);
 464         if (max_count >= 0 && max_count < commit_count)
 465                 commit_count = max_count;
 466
 467         printf("%d\n", commit_count + tree_count + blob_count + tag_count);
 468         free_bitmap_index(bitmap_git);
 469         return 0;
 470 }
 471
 472 static int try_bitmap_traversal(struct rev_info *revs,
 473                                 int filter_provided_objects)
 474 {
 475         struct bitmap_index *bitmap_git;
 476
 477         /*
 478          * We can't use a bitmap result with a traversal limit, since the set
 479          * of commits we'd get would be essentially random.
 480          */
 481         if (revs->max_count >= 0)
 482                 return -1;
 483
 484         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 485         if (!bitmap_git)
 486                 return -1;
 487
 488         traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast);
 489         free_bitmap_index(bitmap_git);
 490         return 0;
 491 }
 492
 493 static int try_bitmap_disk_usage(struct rev_info *revs,
 494                                  int filter_provided_objects)
 495 {
 496         struct bitmap_index *bitmap_git;
 497         off_t size_from_bitmap;
 498
 499         if (!show_disk_usage)
 500                 return -1;
 501
 502         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 503         if (!bitmap_git)
 504                 return -1;
 505
 506         size_from_bitmap = get_disk_usage_from_bitmap(bitmap_git, revs);
 507         print_disk_usage(size_from_bitmap);
 508         return 0;
 509 }
 510
 511 int cmd_rev_list(int argc, const char **argv, const char *prefix)
 512 {
 513         struct rev_info revs;
 514         struct rev_list_info info;
 515         struct setup_revision_opt s_r_opt = {
 516                 .allow_exclude_promisor_objects = 1,
 517         };
 518         int i;
 519         int bisect_list = 0;
 520         int bisect_show_vars = 0;
 521         int bisect_find_all = 0;
 522         int use_bitmap_index = 0;
 523         int filter_provided_objects = 0;
 524         const char *show_progress = NULL;
 525         int ret = 0;
 526
 527         if (argc == 2 && !strcmp(argv[1], "-h"))
 528                 usage(rev_list_usage);
 529
 530         git_config(git_default_config, NULL);
 531         repo_init_revisions(the_repository, &revs, prefix);
 532         revs.abbrev = DEFAULT_ABBREV;
 533         revs.commit_format = CMIT_FMT_UNSPECIFIED;
 534         revs.include_header = 1;
 535
 536         /*
 537          * Scan the argument list before invoking setup_revisions(), so that we
 538          * know if fetch_if_missing needs to be set to 0.
 539          *
 540          * "--exclude-promisor-objects" acts as a pre-filter on missing objects
 541          * by not crossing the boundary from realized objects to promisor
 542          * objects.
 543          *
 544          * Let "--missing" to conditionally set fetch_if_missing.
 545          */
 546         for (i = 1; i < argc; i++) {
 547                 const char *arg = argv[i];
 548                 if (!strcmp(arg, "--exclude-promisor-objects")) {
 549                         fetch_if_missing = 0;
 550                         revs.exclude_promisor_objects = 1;
 551                         break;
 552                 }
 553         }
 554         for (i = 1; i < argc; i++) {
 555                 const char *arg = argv[i];
 556                 if (skip_prefix(arg, "--missing=", &arg)) {
 557                         if (revs.exclude_promisor_objects)
 558                                 die(_("options '%s' and '%s' cannot be used together"), "--exclude-promisor-objects", "--missing");
 559                         if (parse_missing_action_value(arg))
 560                                 break;
 561                 }
 562         }
 563
 564         if (arg_missing_action)
 565                 revs.do_not_die_on_missing_tree = 1;
 566
 567         argc = setup_revisions(argc, argv, &revs, &s_r_opt);
 568
 569         memset(&info, 0, sizeof(info));
 570         info.revs = &revs;
 571         if (revs.bisect)
 572                 bisect_list = 1;
 573
 574         if (revs.diffopt.flags.quick)
 575                 info.flags |= REV_LIST_QUIET;
 576         for (i = 1 ; i < argc; i++) {
 577                 const char *arg = argv[i];
 578
 579                 if (!strcmp(arg, "--header")) {
 580                         revs.verbose_header = 1;
 581                         continue;
 582                 }
 583                 if (!strcmp(arg, "--timestamp")) {
 584                         info.show_timestamp = 1;
 585                         continue;
 586                 }
 587                 if (!strcmp(arg, "--bisect")) {
 588                         bisect_list = 1;
 589                         continue;
 590                 }
 591                 if (!strcmp(arg, "--bisect-all")) {
 592                         bisect_list = 1;
 593                         bisect_find_all = 1;
 594                         info.flags |= BISECT_SHOW_ALL;
 595                         revs.show_decorations = 1;
 596                         continue;
 597                 }
 598                 if (!strcmp(arg, "--bisect-vars")) {
 599                         bisect_list = 1;
 600                         bisect_show_vars = 1;
 601                         continue;
 602                 }
 603                 if (!strcmp(arg, "--use-bitmap-index")) {
 604                         use_bitmap_index = 1;
 605                         continue;
 606                 }
 607                 if (!strcmp(arg, "--test-bitmap")) {
 608                         test_bitmap_walk(&revs);
 609                         goto cleanup;
 610                 }
 611                 if (skip_prefix(arg, "--progress=", &arg)) {
 612                         show_progress = arg;
 613                         continue;
 614                 }
 615                 if (!strcmp(arg, "--filter-provided-objects")) {
 616                         filter_provided_objects = 1;
 617                         continue;
 618                 }
 619                 if (!strcmp(arg, "--filter-print-omitted")) {
 620                         arg_print_omitted = 1;
 621                         continue;
 622                 }
 623
 624                 if (!strcmp(arg, "--exclude-promisor-objects"))
 625                         continue; /* already handled above */
 626                 if (skip_prefix(arg, "--missing=", &arg))
 627                         continue; /* already handled above */
 628
 629                 if (!strcmp(arg, ("--no-object-names"))) {
 630                         arg_show_object_names = 0;
 631                         continue;
 632                 }
 633
 634                 if (!strcmp(arg, ("--object-names"))) {
 635                         arg_show_object_names = 1;
 636                         continue;
 637                 }
 638
 639                 if (!strcmp(arg, ("--commit-header"))) {
 640                         revs.include_header = 1;
 641                         continue;
 642                 }
 643
 644                 if (!strcmp(arg, ("--no-commit-header"))) {
 645                         revs.include_header = 0;
 646                         continue;
 647                 }
 648
 649                 if (skip_prefix(arg, "--disk-usage", &arg)) {
 650                         if (*arg == '=') {
 651                                 if (!strcmp(++arg, "human")) {
 652                                         human_readable = 1;
 653                                 } else
 654                                         die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
 655                                             "--disk-usage=<format>", arg, "human");
 656                         } else if (*arg) {
 657                                 /*
 658                                  * Arguably should goto a label to continue chain of ifs?
 659                                  * Doesn't matter unless we try to add --disk-usage-foo
 660                                  * afterwards.
 661                                  */
 662                                 usage(rev_list_usage);
 663                         }
 664                         show_disk_usage = 1;
 665                         info.flags |= REV_LIST_QUIET;
 666                         continue;
 667                 }
 668
 669                 usage(rev_list_usage);
 670
 671         }
 672         if (revs.commit_format != CMIT_FMT_USERFORMAT)
 673                 revs.include_header = 1;
 674         if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
 675                 /* The command line has a --pretty  */
 676                 info.hdr_termination = '\n';
 677                 if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
 678                         info.header_prefix = "";
 679                 else
 680                         info.header_prefix = "commit ";
 681         }
 682         else if (revs.verbose_header)
 683                 /* Only --header was specified */
 684                 revs.commit_format = CMIT_FMT_RAW;
 685
 686         if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
 687              (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 688               !revs.pending.nr) &&
 689              !revs.rev_input_given && !revs.read_from_stdin) ||
 690             revs.diff)
 691                 usage(rev_list_usage);
 692
 693         if (revs.show_notes)
 694                 die(_("rev-list does not support display of notes"));
 695
 696         if (revs.count &&
 697             (revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 698             (revs.left_right || revs.cherry_mark))
 699                 die(_("marked counting and '%s' cannot be used together"), "--objects");
 700
 701         save_commit_buffer = (revs.verbose_header ||
 702                               revs.grep_filter.pattern_list ||
 703                               revs.grep_filter.header_list);
 704         if (bisect_list)
 705                 revs.limited = 1;
 706
 707         if (show_progress)
 708                 progress = start_delayed_progress(show_progress, 0);
 709
 710         if (use_bitmap_index) {
 711                 if (!try_bitmap_count(&revs, filter_provided_objects))
 712                         goto cleanup;
 713                 if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
 714                         goto cleanup;
 715                 if (!try_bitmap_traversal(&revs, filter_provided_objects))
 716                         goto cleanup;
 717         }
 718
 719         if (prepare_revision_walk(&revs))
 720                 die("revision walk setup failed");
 721         if (revs.tree_objects)
 722                 mark_edges_uninteresting(&revs, show_edge, 0);
 723
 724         if (bisect_list) {
 725                 int reaches, all;
 726                 unsigned bisect_flags = 0;
 727
 728                 if (bisect_find_all)
 729                         bisect_flags |= FIND_BISECTION_ALL;
 730
 731                 if (revs.first_parent_only)
 732                         bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
 733
 734                 find_bisection(&revs.commits, &reaches, &all, bisect_flags);
 735
 736                 if (bisect_show_vars) {
 737                         ret = show_bisect_vars(&info, reaches, all);
 738                         goto cleanup;
 739                 }
 740         }
 741
 742         if (filter_provided_objects) {
 743                 struct commit_list *c;
 744                 for (i = 0; i < revs.pending.nr; i++) {
 745                         struct object_array_entry *pending = revs.pending.objects + i;
 746                         pending->item->flags |= NOT_USER_GIVEN;
 747                 }
 748                 for (c = revs.commits; c; c = c->next)
 749                         c->item->object.flags |= NOT_USER_GIVEN;
 750         }
 751
 752         if (arg_print_omitted)
 753                 oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
 754         if (arg_missing_action == MA_PRINT)
 755                 oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);
 756
 757         traverse_commit_list_filtered(
 758                 &revs, show_commit, show_object, &info,
 759                 (arg_print_omitted ? &omitted_objects : NULL));
 760
 761         if (arg_print_omitted) {
 762                 struct oidset_iter iter;
 763                 struct object_id *oid;
 764                 oidset_iter_init(&omitted_objects, &iter);
 765                 while ((oid = oidset_iter_next(&iter)))
 766                         printf("~%s\n", oid_to_hex(oid));
 767                 oidset_clear(&omitted_objects);
 768         }
 769         if (arg_missing_action == MA_PRINT) {
 770                 struct oidset_iter iter;
 771                 struct object_id *oid;
 772                 oidset_iter_init(&missing_objects, &iter);
 773                 while ((oid = oidset_iter_next(&iter)))
 774                         printf("?%s\n", oid_to_hex(oid));
 775                 oidset_clear(&missing_objects);
 776         }
 777
 778         stop_progress(&progress);
 779
 780         if (revs.count) {
 781                 if (revs.left_right && revs.cherry_mark)
 782                         printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
 783                 else if (revs.left_right)
 784                         printf("%d\t%d\n", revs.count_left, revs.count_right);
 785                 else if (revs.cherry_mark)
 786                         printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
 787                 else
 788                         printf("%d\n", revs.count_left + revs.count_right);
 789         }
 790
 791         if (show_disk_usage)
 792                 print_disk_usage(total_disk_usage);
 793
 794 cleanup:
 795         release_revisions(&revs);
 796         return ret;
 797 }