builtin/rev-list.c

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