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-options.h"
  11 #include "object.h"
  12 #include "object-name.h"
  13 #include "object-file.h"
  14 #include "object-store-ll.h"
  15 #include "pack-bitmap.h"
  16 #include "log-tree.h"
  17 #include "graph.h"
  18 #include "bisect.h"
  19 #include "progress.h"
  20 #include "reflog-walk.h"
  21 #include "oidset.h"
  22 #include "packfile.h"
  23
  24 static const char rev_list_usage[] =
  25 "git rev-list [<options>] <commit>... [--] [<path>...]\n"
  26 "\n"
  27 "  limiting output:\n"
  28 "    --max-count=<n>\n"
  29 "    --max-age=<epoch>\n"
  30 "    --min-age=<epoch>\n"
  31 "    --sparse\n"
  32 "    --no-merges\n"
  33 "    --min-parents=<n>\n"
  34 "    --no-min-parents\n"
  35 "    --max-parents=<n>\n"
  36 "    --no-max-parents\n"
  37 "    --remove-empty\n"
  38 "    --all\n"
  39 "    --branches\n"
  40 "    --tags\n"
  41 "    --remotes\n"
  42 "    --stdin\n"
  43 "    --exclude-hidden=[fetch|receive|uploadpack]\n"
  44 "    --quiet\n"
  45 "  ordering output:\n"
  46 "    --topo-order\n"
  47 "    --date-order\n"
  48 "    --reverse\n"
  49 "  formatting output:\n"
  50 "    --parents\n"
  51 "    --children\n"
  52 "    --objects | --objects-edge\n"
  53 "    --disk-usage[=human]\n"
  54 "    --unpacked\n"
  55 "    --header | --pretty\n"
  56 "    --[no-]object-names\n"
  57 "    --abbrev=<n> | --no-abbrev\n"
  58 "    --abbrev-commit\n"
  59 "    --left-right\n"
  60 "    --count\n"
  61 "  special purpose:\n"
  62 "    --bisect\n"
  63 "    --bisect-vars\n"
  64 "    --bisect-all"
  65 ;
  66
  67 static struct progress *progress;
  68 static unsigned progress_counter;
  69
  70 static struct oidset omitted_objects;
  71 static int arg_print_omitted; /* print objects omitted by filter */
  72
  73 static struct oidset missing_objects;
  74 enum missing_action {
  75         MA_ERROR = 0,    /* fail if any missing objects are encountered */
  76         MA_ALLOW_ANY,    /* silently allow ALL missing objects */
  77         MA_PRINT,        /* print ALL missing objects in special section */
  78         MA_ALLOW_PROMISOR, /* silently allow all missing PROMISOR objects */
  79 };
  80 static enum missing_action arg_missing_action;
  81
  82 /* display only the oid of each object encountered */
  83 static int arg_show_object_names = 1;
  84
  85 #define DEFAULT_OIDSET_SIZE     (16*1024)
  86
  87 static int show_disk_usage;
  88 static off_t total_disk_usage;
  89 static int human_readable;
  90
  91 static off_t get_object_disk_usage(struct object *obj)
  92 {
  93         off_t size;
  94         struct object_info oi = OBJECT_INFO_INIT;
  95         oi.disk_sizep = &size;
  96         if (oid_object_info_extended(the_repository, &obj->oid, &oi, 0) < 0)
  97                 die(_("unable to get disk usage of %s"), oid_to_hex(&obj->oid));
  98         return size;
  99 }
 100
 101 static inline void finish_object__ma(struct object *obj)
 102 {
 103         /*
 104          * Whether or not we try to dynamically fetch missing objects
 105          * from the server, we currently DO NOT have the object.  We
 106          * can either print, allow (ignore), or conditionally allow
 107          * (ignore) them.
 108          */
 109         switch (arg_missing_action) {
 110         case MA_ERROR:
 111                 die("missing %s object '%s'",
 112                     type_name(obj->type), oid_to_hex(&obj->oid));
 113                 return;
 114
 115         case MA_ALLOW_ANY:
 116                 return;
 117
 118         case MA_PRINT:
 119                 oidset_insert(&missing_objects, &obj->oid);
 120                 return;
 121
 122         case MA_ALLOW_PROMISOR:
 123                 if (is_promisor_object(&obj->oid))
 124                         return;
 125                 die("unexpected missing %s object '%s'",
 126                     type_name(obj->type), oid_to_hex(&obj->oid));
 127                 return;
 128
 129         default:
 130                 BUG("unhandled missing_action");
 131                 return;
 132         }
 133 }
 134
 135 static void finish_commit(struct commit *commit)
 136 {
 137         free_commit_list(commit->parents);
 138         commit->parents = NULL;
 139         free_commit_buffer(the_repository->parsed_objects,
 140                            commit);
 141 }
 142
 143 static void show_commit(struct commit *commit, void *data)
 144 {
 145         struct rev_list_info *info = data;
 146         struct rev_info *revs = info->revs;
 147
 148         display_progress(progress, ++progress_counter);
 149
 150         if (revs->do_not_die_on_missing_objects &&
 151             oidset_contains(&revs->missing_commits, &commit->object.oid)) {
 152                 finish_object__ma(&commit->object);
 153                 return;
 154         }
 155
 156         if (show_disk_usage)
 157                 total_disk_usage += get_object_disk_usage(&commit->object);
 158
 159         if (info->flags & REV_LIST_QUIET) {
 160                 finish_commit(commit);
 161                 return;
 162         }
 163
 164         graph_show_commit(revs->graph);
 165
 166         if (revs->count) {
 167                 if (commit->object.flags & PATCHSAME)
 168                         revs->count_same++;
 169                 else if (commit->object.flags & SYMMETRIC_LEFT)
 170                         revs->count_left++;
 171                 else
 172                         revs->count_right++;
 173                 finish_commit(commit);
 174                 return;
 175         }
 176
 177         if (info->show_timestamp)
 178                 printf("%"PRItime" ", commit->date);
 179         if (info->header_prefix)
 180                 fputs(info->header_prefix, stdout);
 181
 182         if (revs->include_header) {
 183                 if (!revs->graph)
 184                         fputs(get_revision_mark(revs, commit), stdout);
 185                 if (revs->abbrev_commit && revs->abbrev)
 186                         fputs(repo_find_unique_abbrev(the_repository, &commit->object.oid, revs->abbrev),
 187                               stdout);
 188                 else
 189                         fputs(oid_to_hex(&commit->object.oid), stdout);
 190         }
 191         if (revs->print_parents) {
 192                 struct commit_list *parents = commit->parents;
 193                 while (parents) {
 194                         printf(" %s", oid_to_hex(&parents->item->object.oid));
 195                         parents = parents->next;
 196                 }
 197         }
 198         if (revs->children.name) {
 199                 struct commit_list *children;
 200
 201                 children = lookup_decoration(&revs->children, &commit->object);
 202                 while (children) {
 203                         printf(" %s", oid_to_hex(&children->item->object.oid));
 204                         children = children->next;
 205                 }
 206         }
 207         show_decorations(revs, commit);
 208         if (revs->commit_format == CMIT_FMT_ONELINE)
 209                 putchar(' ');
 210         else if (revs->include_header)
 211                 putchar('\n');
 212
 213         if (revs->verbose_header) {
 214                 struct strbuf buf = STRBUF_INIT;
 215                 struct pretty_print_context ctx = {0};
 216                 ctx.abbrev = revs->abbrev;
 217                 ctx.date_mode = revs->date_mode;
 218                 ctx.date_mode_explicit = revs->date_mode_explicit;
 219                 ctx.fmt = revs->commit_format;
 220                 ctx.output_encoding = get_log_output_encoding();
 221                 ctx.color = revs->diffopt.use_color;
 222                 pretty_print_commit(&ctx, commit, &buf);
 223                 if (buf.len) {
 224                         if (revs->commit_format != CMIT_FMT_ONELINE)
 225                                 graph_show_oneline(revs->graph);
 226
 227                         graph_show_commit_msg(revs->graph, stdout, &buf);
 228
 229                         /*
 230                          * Add a newline after the commit message.
 231                          *
 232                          * Usually, this newline produces a blank
 233                          * padding line between entries, in which case
 234                          * we need to add graph padding on this line.
 235                          *
 236                          * However, the commit message may not end in a
 237                          * newline.  In this case the newline simply
 238                          * ends the last line of the commit message,
 239                          * and we don't need any graph output.  (This
 240                          * always happens with CMIT_FMT_ONELINE, and it
 241                          * happens with CMIT_FMT_USERFORMAT when the
 242                          * format doesn't explicitly end in a newline.)
 243                          */
 244                         if (buf.len && buf.buf[buf.len - 1] == '\n')
 245                                 graph_show_padding(revs->graph);
 246                         putchar(info->hdr_termination);
 247                 } else {
 248                         /*
 249                          * If the message buffer is empty, just show
 250                          * the rest of the graph output for this
 251                          * commit.
 252                          */
 253                         if (graph_show_remainder(revs->graph))
 254                                 putchar('\n');
 255                         if (revs->commit_format == CMIT_FMT_ONELINE)
 256                                 putchar('\n');
 257                 }
 258                 strbuf_release(&buf);
 259         } else {
 260                 if (graph_show_remainder(revs->graph))
 261                         putchar('\n');
 262         }
 263         maybe_flush_or_die(stdout, "stdout");
 264         finish_commit(commit);
 265 }
 266
 267 static int finish_object(struct object *obj, const char *name UNUSED,
 268                          void *cb_data)
 269 {
 270         struct rev_list_info *info = cb_data;
 271         if (oid_object_info_extended(the_repository, &obj->oid, NULL, 0) < 0) {
 272                 finish_object__ma(obj);
 273                 return 1;
 274         }
 275         if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
 276                 parse_object(the_repository, &obj->oid);
 277         return 0;
 278 }
 279
 280 static void show_object(struct object *obj, const char *name, void *cb_data)
 281 {
 282         struct rev_list_info *info = cb_data;
 283         struct rev_info *revs = info->revs;
 284
 285         if (finish_object(obj, name, cb_data))
 286                 return;
 287         display_progress(progress, ++progress_counter);
 288         if (show_disk_usage)
 289                 total_disk_usage += get_object_disk_usage(obj);
 290         if (info->flags & REV_LIST_QUIET)
 291                 return;
 292
 293         if (revs->count) {
 294                 /*
 295                  * The object count is always accumulated in the .count_right
 296                  * field for traversal that is not a left-right traversal,
 297                  * and cmd_rev_list() made sure that a .count request that
 298                  * wants to count non-commit objects, which is handled by
 299                  * the show_object() callback, does not ask for .left_right.
 300                  */
 301                 revs->count_right++;
 302                 return;
 303         }
 304
 305         if (arg_show_object_names)
 306                 show_object_with_name(stdout, obj, name);
 307         else
 308                 printf("%s\n", oid_to_hex(&obj->oid));
 309 }
 310
 311 static void show_edge(struct commit *commit)
 312 {
 313         printf("-%s\n", oid_to_hex(&commit->object.oid));
 314 }
 315
 316 static void print_var_str(const char *var, const char *val)
 317 {
 318         printf("%s='%s'\n", var, val);
 319 }
 320
 321 static void print_var_int(const char *var, int val)
 322 {
 323         printf("%s=%d\n", var, val);
 324 }
 325
 326 static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
 327 {
 328         int cnt, flags = info->flags;
 329         char hex[GIT_MAX_HEXSZ + 1] = "";
 330         struct commit_list *tried;
 331         struct rev_info *revs = info->revs;
 332
 333         if (!revs->commits)
 334                 return 1;
 335
 336         revs->commits = filter_skipped(revs->commits, &tried,
 337                                        flags & BISECT_SHOW_ALL,
 338                                        NULL, NULL);
 339
 340         /*
 341          * revs->commits can reach "reaches" commits among
 342          * "all" commits.  If it is good, then there are
 343          * (all-reaches) commits left to be bisected.
 344          * On the other hand, if it is bad, then the set
 345          * to bisect is "reaches".
 346          * A bisect set of size N has (N-1) commits further
 347          * to test, as we already know one bad one.
 348          */
 349         cnt = all - reaches;
 350         if (cnt < reaches)
 351                 cnt = reaches;
 352
 353         if (revs->commits)
 354                 oid_to_hex_r(hex, &revs->commits->item->object.oid);
 355
 356         if (flags & BISECT_SHOW_ALL) {
 357                 traverse_commit_list(revs, show_commit, show_object, info);
 358                 printf("------\n");
 359         }
 360
 361         print_var_str("bisect_rev", hex);
 362         print_var_int("bisect_nr", cnt - 1);
 363         print_var_int("bisect_good", all - reaches - 1);
 364         print_var_int("bisect_bad", reaches - 1);
 365         print_var_int("bisect_all", all);
 366         print_var_int("bisect_steps", estimate_bisect_steps(all));
 367
 368         return 0;
 369 }
 370
 371 static int show_object_fast(
 372         const struct object_id *oid,
 373         enum object_type type UNUSED,
 374         int exclude UNUSED,
 375         uint32_t name_hash UNUSED,
 376         struct packed_git *found_pack UNUSED,
 377         off_t found_offset UNUSED)
 378 {
 379         fprintf(stdout, "%s\n", oid_to_hex(oid));
 380         return 1;
 381 }
 382
 383 static void print_disk_usage(off_t size)
 384 {
 385         struct strbuf sb = STRBUF_INIT;
 386         if (human_readable)
 387                 strbuf_humanise_bytes(&sb, size);
 388         else
 389                 strbuf_addf(&sb, "%"PRIuMAX, (uintmax_t)size);
 390         puts(sb.buf);
 391         strbuf_release(&sb);
 392 }
 393
 394 static inline int parse_missing_action_value(const char *value)
 395 {
 396         if (!strcmp(value, "error")) {
 397                 arg_missing_action = MA_ERROR;
 398                 return 1;
 399         }
 400
 401         if (!strcmp(value, "allow-any")) {
 402                 arg_missing_action = MA_ALLOW_ANY;
 403                 fetch_if_missing = 0;
 404                 return 1;
 405         }
 406
 407         if (!strcmp(value, "print")) {
 408                 arg_missing_action = MA_PRINT;
 409                 fetch_if_missing = 0;
 410                 return 1;
 411         }
 412
 413         if (!strcmp(value, "allow-promisor")) {
 414                 arg_missing_action = MA_ALLOW_PROMISOR;
 415                 fetch_if_missing = 0;
 416                 return 1;
 417         }
 418
 419         return 0;
 420 }
 421
 422 static int try_bitmap_count(struct rev_info *revs,
 423                             int filter_provided_objects)
 424 {
 425         uint32_t commit_count = 0,
 426                  tag_count = 0,
 427                  tree_count = 0,
 428                  blob_count = 0;
 429         int max_count;
 430         struct bitmap_index *bitmap_git;
 431
 432         /* This function only handles counting, not general traversal. */
 433         if (!revs->count)
 434                 return -1;
 435
 436         /*
 437          * A bitmap result can't know left/right, etc, because we don't
 438          * actually traverse.
 439          */
 440         if (revs->left_right || revs->cherry_mark)
 441                 return -1;
 442
 443         /*
 444          * If we're counting reachable objects, we can't handle a max count of
 445          * commits to traverse, since we don't know which objects go with which
 446          * commit.
 447          */
 448         if (revs->max_count >= 0 &&
 449             (revs->tag_objects || revs->tree_objects || revs->blob_objects))
 450                 return -1;
 451
 452         /*
 453          * This must be saved before doing any walking, since the revision
 454          * machinery will count it down to zero while traversing.
 455          */
 456         max_count = revs->max_count;
 457
 458         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 459         if (!bitmap_git)
 460                 return -1;
 461
 462         count_bitmap_commit_list(bitmap_git, &commit_count,
 463                                  revs->tree_objects ? &tree_count : NULL,
 464                                  revs->blob_objects ? &blob_count : NULL,
 465                                  revs->tag_objects ? &tag_count : NULL);
 466         if (max_count >= 0 && max_count < commit_count)
 467                 commit_count = max_count;
 468
 469         printf("%d\n", commit_count + tree_count + blob_count + tag_count);
 470         free_bitmap_index(bitmap_git);
 471         return 0;
 472 }
 473
 474 static int try_bitmap_traversal(struct rev_info *revs,
 475                                 int filter_provided_objects)
 476 {
 477         struct bitmap_index *bitmap_git;
 478
 479         /*
 480          * We can't use a bitmap result with a traversal limit, since the set
 481          * of commits we'd get would be essentially random.
 482          */
 483         if (revs->max_count >= 0)
 484                 return -1;
 485
 486         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 487         if (!bitmap_git)
 488                 return -1;
 489
 490         traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast);
 491         free_bitmap_index(bitmap_git);
 492         return 0;
 493 }
 494
 495 static int try_bitmap_disk_usage(struct rev_info *revs,
 496                                  int filter_provided_objects)
 497 {
 498         struct bitmap_index *bitmap_git;
 499         off_t size_from_bitmap;
 500
 501         if (!show_disk_usage)
 502                 return -1;
 503
 504         bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
 505         if (!bitmap_git)
 506                 return -1;
 507
 508         size_from_bitmap = get_disk_usage_from_bitmap(bitmap_git, revs);
 509         print_disk_usage(size_from_bitmap);
 510         return 0;
 511 }
 512
 513 int cmd_rev_list(int argc, const char **argv, const char *prefix)
 514 {
 515         struct rev_info revs;
 516         struct rev_list_info info;
 517         struct setup_revision_opt s_r_opt = {
 518                 .allow_exclude_promisor_objects = 1,
 519         };
 520         int i;
 521         int bisect_list = 0;
 522         int bisect_show_vars = 0;
 523         int bisect_find_all = 0;
 524         int use_bitmap_index = 0;
 525         int filter_provided_objects = 0;
 526         const char *show_progress = NULL;
 527         int ret = 0;
 528
 529         if (argc == 2 && !strcmp(argv[1], "-h"))
 530                 usage(rev_list_usage);
 531
 532         git_config(git_default_config, NULL);
 533         repo_init_revisions(the_repository, &revs, prefix);
 534         revs.abbrev = DEFAULT_ABBREV;
 535         revs.commit_format = CMIT_FMT_UNSPECIFIED;
 536         revs.include_header = 1;
 537
 538         /*
 539          * Scan the argument list before invoking setup_revisions(), so that we
 540          * know if fetch_if_missing needs to be set to 0.
 541          *
 542          * "--exclude-promisor-objects" acts as a pre-filter on missing objects
 543          * by not crossing the boundary from realized objects to promisor
 544          * objects.
 545          *
 546          * Let "--missing" to conditionally set fetch_if_missing.
 547          */
 548         /*
 549          * NEEDSWORK: These loops that attempt to find presence of
 550          * options without understanding that the options they are
 551          * skipping are broken (e.g., it would not know "--grep
 552          * --exclude-promisor-objects" is not triggering
 553          * "--exclude-promisor-objects" option).  We really need
 554          * setup_revisions() to have a mechanism to allow and disallow
 555          * some sets of options for different commands (like rev-list,
 556          * replay, etc). Such a mechanism should do an early parsing
 557          * of options and be able to manage the `--missing=...` and
 558          * `--exclude-promisor-objects` options below.
 559          */
 560         for (i = 1; i < argc; i++) {
 561                 const char *arg = argv[i];
 562                 if (!strcmp(arg, "--exclude-promisor-objects")) {
 563                         fetch_if_missing = 0;
 564                         revs.exclude_promisor_objects = 1;
 565                         break;
 566                 }
 567         }
 568         for (i = 1; i < argc; i++) {
 569                 const char *arg = argv[i];
 570                 if (skip_prefix(arg, "--missing=", &arg)) {
 571                         if (revs.exclude_promisor_objects)
 572                                 die(_("options '%s' and '%s' cannot be used together"), "--exclude-promisor-objects", "--missing");
 573                         if (parse_missing_action_value(arg))
 574                                 break;
 575                 }
 576         }
 577
 578         if (arg_missing_action)
 579                 revs.do_not_die_on_missing_objects = 1;
 580
 581         argc = setup_revisions(argc, argv, &revs, &s_r_opt);
 582
 583         memset(&info, 0, sizeof(info));
 584         info.revs = &revs;
 585         if (revs.bisect)
 586                 bisect_list = 1;
 587
 588         if (revs.diffopt.flags.quick)
 589                 info.flags |= REV_LIST_QUIET;
 590         for (i = 1 ; i < argc; i++) {
 591                 const char *arg = argv[i];
 592
 593                 if (!strcmp(arg, "--header")) {
 594                         revs.verbose_header = 1;
 595                         continue;
 596                 }
 597                 if (!strcmp(arg, "--timestamp")) {
 598                         info.show_timestamp = 1;
 599                         continue;
 600                 }
 601                 if (!strcmp(arg, "--bisect")) {
 602                         bisect_list = 1;
 603                         continue;
 604                 }
 605                 if (!strcmp(arg, "--bisect-all")) {
 606                         bisect_list = 1;
 607                         bisect_find_all = 1;
 608                         info.flags |= BISECT_SHOW_ALL;
 609                         revs.show_decorations = 1;
 610                         continue;
 611                 }
 612                 if (!strcmp(arg, "--bisect-vars")) {
 613                         bisect_list = 1;
 614                         bisect_show_vars = 1;
 615                         continue;
 616                 }
 617                 if (!strcmp(arg, "--use-bitmap-index")) {
 618                         use_bitmap_index = 1;
 619                         continue;
 620                 }
 621                 if (!strcmp(arg, "--test-bitmap")) {
 622                         test_bitmap_walk(&revs);
 623                         goto cleanup;
 624                 }
 625                 if (skip_prefix(arg, "--progress=", &arg)) {
 626                         show_progress = arg;
 627                         continue;
 628                 }
 629                 if (!strcmp(arg, "--filter-provided-objects")) {
 630                         filter_provided_objects = 1;
 631                         continue;
 632                 }
 633                 if (!strcmp(arg, "--filter-print-omitted")) {
 634                         arg_print_omitted = 1;
 635                         continue;
 636                 }
 637
 638                 if (!strcmp(arg, "--exclude-promisor-objects"))
 639                         continue; /* already handled above */
 640                 if (skip_prefix(arg, "--missing=", &arg))
 641                         continue; /* already handled above */
 642
 643                 if (!strcmp(arg, ("--no-object-names"))) {
 644                         arg_show_object_names = 0;
 645                         continue;
 646                 }
 647
 648                 if (!strcmp(arg, ("--object-names"))) {
 649                         arg_show_object_names = 1;
 650                         continue;
 651                 }
 652
 653                 if (!strcmp(arg, ("--commit-header"))) {
 654                         revs.include_header = 1;
 655                         continue;
 656                 }
 657
 658                 if (!strcmp(arg, ("--no-commit-header"))) {
 659                         revs.include_header = 0;
 660                         continue;
 661                 }
 662
 663                 if (skip_prefix(arg, "--disk-usage", &arg)) {
 664                         if (*arg == '=') {
 665                                 if (!strcmp(++arg, "human")) {
 666                                         human_readable = 1;
 667                                 } else
 668                                         die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
 669                                             "--disk-usage=<format>", arg, "human");
 670                         } else if (*arg) {
 671                                 /*
 672                                  * Arguably should goto a label to continue chain of ifs?
 673                                  * Doesn't matter unless we try to add --disk-usage-foo
 674                                  * afterwards.
 675                                  */
 676                                 usage(rev_list_usage);
 677                         }
 678                         show_disk_usage = 1;
 679                         info.flags |= REV_LIST_QUIET;
 680                         continue;
 681                 }
 682
 683                 usage(rev_list_usage);
 684
 685         }
 686         if (revs.commit_format != CMIT_FMT_USERFORMAT)
 687                 revs.include_header = 1;
 688         if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
 689                 /* The command line has a --pretty  */
 690                 info.hdr_termination = '\n';
 691                 if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
 692                         info.header_prefix = "";
 693                 else
 694                         info.header_prefix = "commit ";
 695         }
 696         else if (revs.verbose_header)
 697                 /* Only --header was specified */
 698                 revs.commit_format = CMIT_FMT_RAW;
 699
 700         if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
 701              (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 702               !revs.pending.nr) &&
 703              !revs.rev_input_given && !revs.read_from_stdin) ||
 704             revs.diff)
 705                 usage(rev_list_usage);
 706
 707         if (revs.show_notes)
 708                 die(_("rev-list does not support display of notes"));
 709
 710         if (revs.count &&
 711             (revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
 712             (revs.left_right || revs.cherry_mark))
 713                 die(_("marked counting and '%s' cannot be used together"), "--objects");
 714
 715         save_commit_buffer = (revs.verbose_header ||
 716                               revs.grep_filter.pattern_list ||
 717                               revs.grep_filter.header_list);
 718         if (bisect_list)
 719                 revs.limited = 1;
 720
 721         if (show_progress)
 722                 progress = start_delayed_progress(show_progress, 0);
 723
 724         if (use_bitmap_index) {
 725                 if (!try_bitmap_count(&revs, filter_provided_objects))
 726                         goto cleanup;
 727                 if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
 728                         goto cleanup;
 729                 if (!try_bitmap_traversal(&revs, filter_provided_objects))
 730                         goto cleanup;
 731         }
 732
 733         if (prepare_revision_walk(&revs))
 734                 die("revision walk setup failed");
 735         if (revs.tree_objects)
 736                 mark_edges_uninteresting(&revs, show_edge, 0);
 737
 738         if (bisect_list) {
 739                 int reaches, all;
 740                 unsigned bisect_flags = 0;
 741
 742                 if (bisect_find_all)
 743                         bisect_flags |= FIND_BISECTION_ALL;
 744
 745                 if (revs.first_parent_only)
 746                         bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
 747
 748                 find_bisection(&revs.commits, &reaches, &all, bisect_flags);
 749
 750                 if (bisect_show_vars) {
 751                         ret = show_bisect_vars(&info, reaches, all);
 752                         goto cleanup;
 753                 }
 754         }
 755
 756         if (filter_provided_objects) {
 757                 struct commit_list *c;
 758                 for (i = 0; i < revs.pending.nr; i++) {
 759                         struct object_array_entry *pending = revs.pending.objects + i;
 760                         pending->item->flags |= NOT_USER_GIVEN;
 761                 }
 762                 for (c = revs.commits; c; c = c->next)
 763                         c->item->object.flags |= NOT_USER_GIVEN;
 764         }
 765
 766         if (arg_print_omitted)
 767                 oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
 768         if (arg_missing_action == MA_PRINT) {
 769                 oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);
 770                 /* Add missing tips */
 771                 oidset_insert_from_set(&missing_objects, &revs.missing_commits);
 772                 oidset_clear(&revs.missing_commits);
 773         }
 774
 775         traverse_commit_list_filtered(
 776                 &revs, show_commit, show_object, &info,
 777                 (arg_print_omitted ? &omitted_objects : NULL));
 778
 779         if (arg_print_omitted) {
 780                 struct oidset_iter iter;
 781                 struct object_id *oid;
 782                 oidset_iter_init(&omitted_objects, &iter);
 783                 while ((oid = oidset_iter_next(&iter)))
 784                         printf("~%s\n", oid_to_hex(oid));
 785                 oidset_clear(&omitted_objects);
 786         }
 787         if (arg_missing_action == MA_PRINT) {
 788                 struct oidset_iter iter;
 789                 struct object_id *oid;
 790                 oidset_iter_init(&missing_objects, &iter);
 791                 while ((oid = oidset_iter_next(&iter)))
 792                         printf("?%s\n", oid_to_hex(oid));
 793                 oidset_clear(&missing_objects);
 794         }
 795
 796         stop_progress(&progress);
 797
 798         if (revs.count) {
 799                 if (revs.left_right && revs.cherry_mark)
 800                         printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
 801                 else if (revs.left_right)
 802                         printf("%d\t%d\n", revs.count_left, revs.count_right);
 803                 else if (revs.cherry_mark)
 804                         printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
 805                 else
 806                         printf("%d\n", revs.count_left + revs.count_right);
 807         }
 808
 809         if (show_disk_usage)
 810                 print_disk_usage(total_disk_usage);
 811
 812 cleanup:
 813         release_revisions(&revs);
 814         return ret;
 815 }