builtin/rev-list.c

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