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 inline void finish_object__ma(struct object *obj)
 104 {
 105         /*
 106          * Whether or not we try to dynamically fetch missing objects
 107          * from the server, we currently DO NOT have the object.  We
 108          * can either print, allow (ignore), or conditionally allow
 109          * (ignore) them.
 110          */
 111         switch (arg_missing_action) {
 112         case MA_ERROR:
 113                 die("missing %s object '%s'",
 114                     type_name(obj->type), oid_to_hex(&obj->oid));
 115                 return;
 116
 117         case MA_ALLOW_ANY:
 118                 return;
 119
 120         case MA_PRINT:
 121                 oidset_insert(&missing_objects, &obj->oid);
 122                 return;
 123
 124         case MA_ALLOW_PROMISOR:
 125                 if (is_promisor_object(&obj->oid))
 126                         return;
 127                 die("unexpected missing %s object '%s'",
 128                     type_name(obj->type), oid_to_hex(&obj->oid));
 129                 return;
 130
 131         default:
 132                 BUG("unhandled missing_action");
 133                 return;
 134         }
 135 }
 136
 137 static void finish_commit(struct commit *commit)
 138 {
 139         free_commit_list(commit->parents);
 140         commit->parents = NULL;
 141         free_commit_buffer(the_repository->parsed_objects,
 142                            commit);
 143 }
 144
 145 static void show_commit(struct commit *commit, void *data)
 146 {
 147         struct rev_list_info *info = data;
 148         struct rev_info *revs = info->revs;
 149
 150         display_progress(progress, ++progress_counter);
 151
 152         if (revs->do_not_die_on_missing_objects &&
 153             oidset_contains(&revs->missing_commits, &commit->object.oid)) {
 154                 finish_object__ma(&commit->object);
 155                 return;
 156         }
 157
 158         if (show_disk_usage)
 159                 total_disk_usage += get_object_disk_usage(&commit->object);
 160
 161         if (info->flags & REV_LIST_QUIET) {
 162                 finish_commit(commit);
 163                 return;
 164         }
 165
 166         graph_show_commit(revs->graph);
 167
 168         if (revs->count) {
 169                 if (commit->object.flags & PATCHSAME)
 170                         revs->count_same++;
 171                 else if (commit->object.flags & SYMMETRIC_LEFT)
 172                         revs->count_left++;
 173                 else
 174                         revs->count_right++;
 175                 finish_commit(commit);
 176                 return;
 177         }
 178
 179         if (info->show_timestamp)
 180                 printf("%"PRItime" ", commit->date);
 181         if (info->header_prefix)
 182                 fputs(info->header_prefix, stdout);
 183
 184         if (revs->include_header) {
 185                 if (!revs->graph)
 186                         fputs(get_revision_mark(revs, commit), stdout);
 187                 if (revs->abbrev_commit && revs->abbrev)
 188                         fputs(repo_find_unique_abbrev(the_repository, &commit->object.oid, revs->abbrev),
 189                               stdout);
 190                 else
 191                         fputs(oid_to_hex(&commit->object.oid), stdout);
 192         }
 193         if (revs->print_parents) {
 194                 struct commit_list *parents = commit->parents;
 195                 while (parents) {
 196                         printf(" %s", oid_to_hex(&parents->item->object.oid));
 197                         parents = parents->next;
 198                 }
 199         }
 200         if (revs->children.name) {
 201                 struct commit_list *children;
 202
 203                 children = lookup_decoration(&revs->children, &commit->object);
 204                 while (children) {
 205                         printf(" %s", oid_to_hex(&children->item->object.oid));
 206                         children = children->next;
 207                 }
 208         }
 209         show_decorations(revs, commit);
 210         if (revs->commit_format == CMIT_FMT_ONELINE)
 211                 putchar(' ');
 212         else if (revs->include_header)
 213                 putchar('\n');
 214
 215         if (revs->verbose_header) {
 216                 struct strbuf buf = STRBUF_INIT;
 217                 struct pretty_print_context ctx = {0};
 218                 ctx.abbrev = revs->abbrev;
 219                 ctx.date_mode = revs->date_mode;
 220                 ctx.date_mode_explicit = revs->date_mode_explicit;
 221                 ctx.fmt = revs->commit_format;
 222                 ctx.output_encoding = get_log_output_encoding();
 223                 ctx.color = revs->diffopt.use_color;
 224                 pretty_print_commit(&ctx, commit, &buf);
 225                 if (buf.len) {
 226                         if (revs->commit_format != CMIT_FMT_ONELINE)
 227                                 graph_show_oneline(revs->graph);
 228
 229                         graph_show_commit_msg(revs->graph, stdout, &buf);
 230
 231                         /*
 232                          * Add a newline after the commit message.
 233                          *
 234                          * Usually, this newline produces a blank
 235                          * padding line between entries, in which case
 236                          * we need to add graph padding on this line.
 237                          *
 238                          * However, the commit message may not end in a
 239                          * newline.  In this case the newline simply
 240                          * ends the last line of the commit message,
 241                          * and we don't need any graph output.  (This
 242                          * always happens with CMIT_FMT_ONELINE, and it
 243                          * happens with CMIT_FMT_USERFORMAT when the
 244                          * format doesn't explicitly end in a newline.)
 245                          */
 246                         if (buf.len && buf.buf[buf.len - 1] == '\n')
 247                                 graph_show_padding(revs->graph);
 248                         putchar(info->hdr_termination);
 249                 } else {
 250                         /*
 251                          * If the message buffer is empty, just show
 252                          * the rest of the graph output for this
 253                          * commit.
 254                          */
 255                         if (graph_show_remainder(revs->graph))
 256                                 putchar('\n');
 257                         if (revs->commit_format == CMIT_FMT_ONELINE)
 258                                 putchar('\n');
 259                 }
 260                 strbuf_release(&buf);
 261         } else {
 262                 if (graph_show_remainder(revs->graph))
 263                         putchar('\n');
 264         }
 265         maybe_flush_or_die(stdout, "stdout");
 266         finish_commit(commit);
 267 }
 268
 269 static int finish_object(struct object *obj, const char *name UNUSED,
 270                          void *cb_data)
 271 {
 272         struct rev_list_info *info = cb_data;
 273         if (oid_object_info_extended(the_repository, &obj->oid, NULL, 0) < 0) {
 274                 finish_object__ma(obj);
 275                 return 1;
 276         }
 277         if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
 278                 parse_object(the_repository, &obj->oid);
 279         return 0;
 280 }
 281
 282 static void show_object(struct object *obj, const char *name, void *cb_data)
 283 {
 284         struct rev_list_info *info = cb_data;
 285         struct rev_info *revs = info->revs;
 286
 287         if (finish_object(obj, name, cb_data))
 288                 return;
 289         display_progress(progress, ++progress_counter);
 290         if (show_disk_usage)
 291                 total_disk_usage += get_object_disk_usage(obj);
 292         if (info->flags & REV_LIST_QUIET)
 293                 return;
 294
 295         if (revs->count) {
 296                 /*
 297                  * The object count is always accumulated in the .count_right
 298                  * field for traversal that is not a left-right traversal,
 299                  * and cmd_rev_list() made sure that a .count request that
 300                  * wants to count non-commit objects, which is handled by
 301                  * the show_object() callback, does not ask for .left_right.
 302                  */
 303                 revs->count_right++;
 304                 return;
 305         }
 306
 307         if (arg_show_object_names)
 308                 show_object_with_name(stdout, obj, name);
 309         else
 310                 printf("%s\n", oid_to_hex(&obj->oid));
 311 }
 312
 313 static void show_edge(struct commit *commit)
 314 {
 315         printf("-%s\n", oid_to_hex(&commit->object.oid));
 316 }
 317
 318 static void print_var_str(const char *var, const char *val)
 319 {
 320         printf("%s='%s'\n", var, val);
 321 }
 322
 323 static void print_var_int(const char *var, int val)
 324 {
 325         printf("%s=%d\n", var, val);
 326 }
 327
 328 static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
 329 {
 330         int cnt, flags = info->flags;
 331         char hex[GIT_MAX_HEXSZ + 1] = "";
 332         struct commit_list *tried;
 333         struct rev_info *revs = info->revs;
 334
 335         if (!revs->commits)
 336                 return 1;
 337
 338         revs->commits = filter_skipped(revs->commits, &tried,
 339                                        flags & BISECT_SHOW_ALL,
 340                                        NULL, NULL);
 341
 342         /*
 343          * revs->commits can reach "reaches" commits among
 344          * "all" commits.  If it is good, then there are
 345          * (all-reaches) commits left to be bisected.
 346          * On the other hand, if it is bad, then the set
 347          * to bisect is "reaches".
 348          * A bisect set of size N has (N-1) commits further
 349          * to test, as we already know one bad one.
 350          */
 351         cnt = all - reaches;
 352         if (cnt < reaches)
 353                 cnt = reaches;
 354
 355         if (revs->commits)
 356                 oid_to_hex_r(hex, &revs->commits->item->object.oid);
 357
 358         if (flags & BISECT_SHOW_ALL) {
 359                 traverse_commit_list(revs, show_commit, show_object, info);
 360                 printf("------\n");
 361         }
 362
 363         print_var_str("bisect_rev", hex);
 364         print_var_int("bisect_nr", cnt - 1);
 365         print_var_int("bisect_good", all - reaches - 1);
 366         print_var_int("bisect_bad", reaches - 1);
 367         print_var_int("bisect_all", all);
 368         print_var_int("bisect_steps", estimate_bisect_steps(all));
 369
 370         return 0;
 371 }
 372
 373 static int show_object_fast(
 374         const struct object_id *oid,
 375         enum object_type type UNUSED,
 376         int exclude UNUSED,
 377         uint32_t name_hash UNUSED,
 378         struct packed_git *found_pack UNUSED,
 379         off_t found_offset UNUSED)
 380 {
 381         fprintf(stdout, "%s\n", oid_to_hex(oid));
 382         return 1;
 383 }
 384
 385 static void print_disk_usage(off_t size)
 386 {
 387         struct strbuf sb = STRBUF_INIT;
 388         if (human_readable)
 389                 strbuf_humanise_bytes(&sb, size);
 390         else
 391                 strbuf_addf(&sb, "%"PRIuMAX, (uintmax_t)size);
 392         puts(sb.buf);
 393         strbuf_release(&sb);
 394 }
 395
 396 static inline int parse_missing_action_value(const char *value)
 397 {
 398         if (!strcmp(value, "error")) {
 399                 arg_missing_action = MA_ERROR;
 400                 return 1;
 401         }
 402
 403         if (!strcmp(value, "allow-any")) {
 404                 arg_missing_action = MA_ALLOW_ANY;
 405                 fetch_if_missing = 0;
 406                 return 1;
 407         }
 408
 409         if (!strcmp(value, "print")) {
 410                 arg_missing_action = MA_PRINT;
 411                 fetch_if_missing = 0;
 412                 return 1;
 413         }
 414
 415         if (!strcmp(value, "allow-promisor")) {
 416                 arg_missing_action = MA_ALLOW_PROMISOR;
 417                 fetch_if_missing = 0;
 418                 return 1;
 419         }
 420
 421         return 0;
 422 }
 423
 424 static int try_bitmap_count(struct rev_info *revs,
 425                             int filter_provided_objects)
 426 {
 427         uint32_t commit_count = 0,
 428                  tag_count = 0,
 429                  tree_count = 0,
 430                  blob_count = 0;
 431         int max_count;
 432         struct bitmap_index *bitmap_git;
 433
 434         /* This function only handles counting, not general traversal. */
 435         if (!revs->count)
 436                 return -1;
 437
 438         /*
 439          * A bitmap result can't know left/right, etc, because we don't
 440          * actually traverse.
 441          */
 442         if (revs->left_right || revs->cherry_mark)
 443                 return -1;
 444
 445         /*
 446          * If we're counting reachable objects, we can't handle a max count of
 447          * commits to traverse, since we don't know which objects go with which
 448          * commit.
 449          */
 450         if (revs->max_count >= 0 &&
 451             (revs->tag_objects || revs->tree_objects || revs->blob_objects))
 452                 return -1;
 453
 454         /*
 455          * This must be saved before doing any walking, since the revision
 456          * machinery will count it down to zero while traversing.
 457          */
 458         max_count = revs->max_count;
 459
 460         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 461         if (!bitmap_git)
 462                 return -1;
 463
 464         count_bitmap_commit_list(bitmap_git, &commit_count,
 465                                  revs->tree_objects ? &tree_count : NULL,
 466                                  revs->blob_objects ? &blob_count : NULL,
 467                                  revs->tag_objects ? &tag_count : NULL);
 468         if (max_count >= 0 && max_count < commit_count)
 469                 commit_count = max_count;
 470
 471         printf("%d\n", commit_count + tree_count + blob_count + tag_count);
 472         free_bitmap_index(bitmap_git);
 473         return 0;
 474 }
 475
 476 static int try_bitmap_traversal(struct rev_info *revs,
 477                                 int filter_provided_objects)
 478 {
 479         struct bitmap_index *bitmap_git;
 480
 481         /*
 482          * We can't use a bitmap result with a traversal limit, since the set
 483          * of commits we'd get would be essentially random.
 484          */
 485         if (revs->max_count >= 0)
 486                 return -1;
 487
 488         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 489         if (!bitmap_git)
 490                 return -1;
 491
 492         traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast);
 493         free_bitmap_index(bitmap_git);
 494         return 0;
 495 }
 496
 497 static int try_bitmap_disk_usage(struct rev_info *revs,
 498                                  int filter_provided_objects)
 499 {
 500         struct bitmap_index *bitmap_git;
 501         off_t size_from_bitmap;
 502
 503         if (!show_disk_usage)
 504                 return -1;
 505
 506         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 507         if (!bitmap_git)
 508                 return -1;
 509
 510         size_from_bitmap = get_disk_usage_from_bitmap(bitmap_git, revs);
 511         print_disk_usage(size_from_bitmap);
 512         return 0;
 513 }
 514
 515 int cmd_rev_list(int argc, const char **argv, const char *prefix)
 516 {
 517         struct rev_info revs;
 518         struct rev_list_info info;
 519         struct setup_revision_opt s_r_opt = {
 520                 .allow_exclude_promisor_objects = 1,
 521         };
 522         int i;
 523         int bisect_list = 0;
 524         int bisect_show_vars = 0;
 525         int bisect_find_all = 0;
 526         int use_bitmap_index = 0;
 527         int filter_provided_objects = 0;
 528         const char *show_progress = NULL;
 529         int ret = 0;
 530
 531         if (argc == 2 && !strcmp(argv[1], "-h"))
 532                 usage(rev_list_usage);
 533
 534         git_config(git_default_config, NULL);
 535         repo_init_revisions(the_repository, &revs, prefix);
 536         revs.abbrev = DEFAULT_ABBREV;
 537         revs.commit_format = CMIT_FMT_UNSPECIFIED;
 538         revs.include_header = 1;
 539
 540         /*
 541          * Scan the argument list before invoking setup_revisions(), so that we
 542          * know if fetch_if_missing needs to be set to 0.
 543          *
 544          * "--exclude-promisor-objects" acts as a pre-filter on missing objects
 545          * by not crossing the boundary from realized objects to promisor
 546          * objects.
 547          *
 548          * Let "--missing" to conditionally set fetch_if_missing.
 549          */
 550         for (i = 1; i < argc; i++) {
 551                 const char *arg = argv[i];
 552                 if (!strcmp(arg, "--exclude-promisor-objects")) {
 553                         fetch_if_missing = 0;
 554                         revs.exclude_promisor_objects = 1;
 555                         break;
 556                 }
 557         }
 558         for (i = 1; i < argc; i++) {
 559                 const char *arg = argv[i];
 560                 if (skip_prefix(arg, "--missing=", &arg)) {
 561                         if (revs.exclude_promisor_objects)
 562                                 die(_("options '%s' and '%s' cannot be used together"), "--exclude-promisor-objects", "--missing");
 563                         if (parse_missing_action_value(arg))
 564                                 break;
 565                 }
 566         }
 567
 568         if (arg_missing_action)
 569                 revs.do_not_die_on_missing_objects = 1;
 570
 571         argc = setup_revisions(argc, argv, &revs, &s_r_opt);
 572
 573         memset(&info, 0, sizeof(info));
 574         info.revs = &revs;
 575         if (revs.bisect)
 576                 bisect_list = 1;
 577
 578         if (revs.diffopt.flags.quick)
 579                 info.flags |= REV_LIST_QUIET;
 580         for (i = 1 ; i < argc; i++) {
 581                 const char *arg = argv[i];
 582
 583                 if (!strcmp(arg, "--header")) {
 584                         revs.verbose_header = 1;
 585                         continue;
 586                 }
 587                 if (!strcmp(arg, "--timestamp")) {
 588                         info.show_timestamp = 1;
 589                         continue;
 590                 }
 591                 if (!strcmp(arg, "--bisect")) {
 592                         bisect_list = 1;
 593                         continue;
 594                 }
 595                 if (!strcmp(arg, "--bisect-all")) {
 596                         bisect_list = 1;
 597                         bisect_find_all = 1;
 598                         info.flags |= BISECT_SHOW_ALL;
 599                         revs.show_decorations = 1;
 600                         continue;
 601                 }
 602                 if (!strcmp(arg, "--bisect-vars")) {
 603                         bisect_list = 1;
 604                         bisect_show_vars = 1;
 605                         continue;
 606                 }
 607                 if (!strcmp(arg, "--use-bitmap-index")) {
 608                         use_bitmap_index = 1;
 609                         continue;
 610                 }
 611                 if (!strcmp(arg, "--test-bitmap")) {
 612                         test_bitmap_walk(&revs);
 613                         goto cleanup;
 614                 }
 615                 if (skip_prefix(arg, "--progress=", &arg)) {
 616                         show_progress = arg;
 617                         continue;
 618                 }
 619                 if (!strcmp(arg, "--filter-provided-objects")) {
 620                         filter_provided_objects = 1;
 621                         continue;
 622                 }
 623                 if (!strcmp(arg, "--filter-print-omitted")) {
 624                         arg_print_omitted = 1;
 625                         continue;
 626                 }
 627
 628                 if (!strcmp(arg, "--exclude-promisor-objects"))
 629                         continue; /* already handled above */
 630                 if (skip_prefix(arg, "--missing=", &arg))
 631                         continue; /* already handled above */
 632
 633                 if (!strcmp(arg, ("--no-object-names"))) {
 634                         arg_show_object_names = 0;
 635                         continue;
 636                 }
 637
 638                 if (!strcmp(arg, ("--object-names"))) {
 639                         arg_show_object_names = 1;
 640                         continue;
 641                 }
 642
 643                 if (!strcmp(arg, ("--commit-header"))) {
 644                         revs.include_header = 1;
 645                         continue;
 646                 }
 647
 648                 if (!strcmp(arg, ("--no-commit-header"))) {
 649                         revs.include_header = 0;
 650                         continue;
 651                 }
 652
 653                 if (skip_prefix(arg, "--disk-usage", &arg)) {
 654                         if (*arg == '=') {
 655                                 if (!strcmp(++arg, "human")) {
 656                                         human_readable = 1;
 657                                 } else
 658                                         die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
 659                                             "--disk-usage=<format>", arg, "human");
 660                         } else if (*arg) {
 661                                 /*
 662                                  * Arguably should goto a label to continue chain of ifs?
 663                                  * Doesn't matter unless we try to add --disk-usage-foo
 664                                  * afterwards.
 665                                  */
 666                                 usage(rev_list_usage);
 667                         }
 668                         show_disk_usage = 1;
 669                         info.flags |= REV_LIST_QUIET;
 670                         continue;
 671                 }
 672
 673                 usage(rev_list_usage);
 674
 675         }
 676         if (revs.commit_format != CMIT_FMT_USERFORMAT)
 677                 revs.include_header = 1;
 678         if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
 679                 /* The command line has a --pretty  */
 680                 info.hdr_termination = '\n';
 681                 if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
 682                         info.header_prefix = "";
 683                 else
 684                         info.header_prefix = "commit ";
 685         }
 686         else if (revs.verbose_header)
 687                 /* Only --header was specified */
 688                 revs.commit_format = CMIT_FMT_RAW;
 689
 690         if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
 691              (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 692               !revs.pending.nr) &&
 693              !revs.rev_input_given && !revs.read_from_stdin) ||
 694             revs.diff)
 695                 usage(rev_list_usage);
 696
 697         if (revs.show_notes)
 698                 die(_("rev-list does not support display of notes"));
 699
 700         if (revs.count &&
 701             (revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 702             (revs.left_right || revs.cherry_mark))
 703                 die(_("marked counting and '%s' cannot be used together"), "--objects");
 704
 705         save_commit_buffer = (revs.verbose_header ||
 706                               revs.grep_filter.pattern_list ||
 707                               revs.grep_filter.header_list);
 708         if (bisect_list)
 709                 revs.limited = 1;
 710
 711         if (show_progress)
 712                 progress = start_delayed_progress(show_progress, 0);
 713
 714         if (use_bitmap_index) {
 715                 if (!try_bitmap_count(&revs, filter_provided_objects))
 716                         goto cleanup;
 717                 if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
 718                         goto cleanup;
 719                 if (!try_bitmap_traversal(&revs, filter_provided_objects))
 720                         goto cleanup;
 721         }
 722
 723         if (prepare_revision_walk(&revs))
 724                 die("revision walk setup failed");
 725         if (revs.tree_objects)
 726                 mark_edges_uninteresting(&revs, show_edge, 0);
 727
 728         if (bisect_list) {
 729                 int reaches, all;
 730                 unsigned bisect_flags = 0;
 731
 732                 if (bisect_find_all)
 733                         bisect_flags |= FIND_BISECTION_ALL;
 734
 735                 if (revs.first_parent_only)
 736                         bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
 737
 738                 find_bisection(&revs.commits, &reaches, &all, bisect_flags);
 739
 740                 if (bisect_show_vars) {
 741                         ret = show_bisect_vars(&info, reaches, all);
 742                         goto cleanup;
 743                 }
 744         }
 745
 746         if (filter_provided_objects) {
 747                 struct commit_list *c;
 748                 for (i = 0; i < revs.pending.nr; i++) {
 749                         struct object_array_entry *pending = revs.pending.objects + i;
 750                         pending->item->flags |= NOT_USER_GIVEN;
 751                 }
 752                 for (c = revs.commits; c; c = c->next)
 753                         c->item->object.flags |= NOT_USER_GIVEN;
 754         }
 755
 756         if (arg_print_omitted)
 757                 oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
 758         if (arg_missing_action == MA_PRINT)
 759                 oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);
 760
 761         traverse_commit_list_filtered(
 762                 &revs, show_commit, show_object, &info,
 763                 (arg_print_omitted ? &omitted_objects : NULL));
 764
 765         if (arg_print_omitted) {
 766                 struct oidset_iter iter;
 767                 struct object_id *oid;
 768                 oidset_iter_init(&omitted_objects, &iter);
 769                 while ((oid = oidset_iter_next(&iter)))
 770                         printf("~%s\n", oid_to_hex(oid));
 771                 oidset_clear(&omitted_objects);
 772         }
 773         if (arg_missing_action == MA_PRINT) {
 774                 struct oidset_iter iter;
 775                 struct object_id *oid;
 776                 oidset_iter_init(&missing_objects, &iter);
 777                 while ((oid = oidset_iter_next(&iter)))
 778                         printf("?%s\n", oid_to_hex(oid));
 779                 oidset_clear(&missing_objects);
 780         }
 781
 782         stop_progress(&progress);
 783
 784         if (revs.count) {
 785                 if (revs.left_right && revs.cherry_mark)
 786                         printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
 787                 else if (revs.left_right)
 788                         printf("%d\t%d\n", revs.count_left, revs.count_right);
 789                 else if (revs.cherry_mark)
 790                         printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
 791                 else
 792                         printf("%d\n", revs.count_left + revs.count_right);
 793         }
 794
 795         if (show_disk_usage)
 796                 print_disk_usage(total_disk_usage);
 797
 798 cleanup:
 799         release_revisions(&revs);
 800         return ret;
 801 }