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