git

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
		ctx.rev = revs;
223
		pretty_print_commit(&ctx, commit, &buf);
224
		if (buf.len) {
225
			if (revs->commit_format != CMIT_FMT_ONELINE)
226
				graph_show_oneline(revs->graph);
227

228
			graph_show_commit_msg(revs->graph, stdout, &buf);
229

230
			/*
231
			 * Add a newline after the commit message.
232
			 *
233
			 * Usually, this newline produces a blank
234
			 * padding line between entries, in which case
235
			 * we need to add graph padding on this line.
236
			 *
237
			 * However, the commit message may not end in a
238
			 * newline.  In this case the newline simply
239
			 * ends the last line of the commit message,
240
			 * and we don't need any graph output.  (This
241
			 * always happens with CMIT_FMT_ONELINE, and it
242
			 * happens with CMIT_FMT_USERFORMAT when the
243
			 * format doesn't explicitly end in a newline.)
244
			 */
245
			if (buf.len && buf.buf[buf.len - 1] == '\n')
246
				graph_show_padding(revs->graph);
247
			putchar(info->hdr_termination);
248
		} else {
249
			/*
250
			 * If the message buffer is empty, just show
251
			 * the rest of the graph output for this
252
			 * commit.
253
			 */
254
			if (graph_show_remainder(revs->graph))
255
				putchar('\n');
256
			if (revs->commit_format == CMIT_FMT_ONELINE)
257
				putchar('\n');
258
		}
259
		strbuf_release(&buf);
260
	} else {
261
		if (graph_show_remainder(revs->graph))
262
			putchar('\n');
263
	}
264
	maybe_flush_or_die(stdout, "stdout");
265
	finish_commit(commit);
266
}
267

268
static int finish_object(struct object *obj, const char *name UNUSED,
269
			 void *cb_data)
270
{
271
	struct rev_list_info *info = cb_data;
272
	if (oid_object_info_extended(the_repository, &obj->oid, NULL, 0) < 0) {
273
		finish_object__ma(obj);
274
		return 1;
275
	}
276
	if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
277
		parse_object(the_repository, &obj->oid);
278
	return 0;
279
}
280

281
static void show_object(struct object *obj, const char *name, void *cb_data)
282
{
283
	struct rev_list_info *info = cb_data;
284
	struct rev_info *revs = info->revs;
285

286
	if (finish_object(obj, name, cb_data))
287
		return;
288
	display_progress(progress, ++progress_counter);
289
	if (show_disk_usage)
290
		total_disk_usage += get_object_disk_usage(obj);
291
	if (info->flags & REV_LIST_QUIET)
292
		return;
293

294
	if (revs->count) {
295
		/*
296
		 * The object count is always accumulated in the .count_right
297
		 * field for traversal that is not a left-right traversal,
298
		 * and cmd_rev_list() made sure that a .count request that
299
		 * wants to count non-commit objects, which is handled by
300
		 * the show_object() callback, does not ask for .left_right.
301
		 */
302
		revs->count_right++;
303
		return;
304
	}
305

306
	if (arg_show_object_names)
307
		show_object_with_name(stdout, obj, name);
308
	else
309
		printf("%s\n", oid_to_hex(&obj->oid));
310
}
311

312
static void show_edge(struct commit *commit)
313
{
314
	printf("-%s\n", oid_to_hex(&commit->object.oid));
315
}
316

317
static void print_var_str(const char *var, const char *val)
318
{
319
	printf("%s='%s'\n", var, val);
320
}
321

322
static void print_var_int(const char *var, int val)
323
{
324
	printf("%s=%d\n", var, val);
325
}
326

327
static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
328
{
329
	int cnt, flags = info->flags;
330
	char hex[GIT_MAX_HEXSZ + 1] = "";
331
	struct commit_list *tried;
332
	struct rev_info *revs = info->revs;
333

334
	if (!revs->commits)
335
		return 1;
336

337
	revs->commits = filter_skipped(revs->commits, &tried,
338
				       flags & BISECT_SHOW_ALL,
339
				       NULL, NULL);
340

341
	/*
342
	 * revs->commits can reach "reaches" commits among
343
	 * "all" commits.  If it is good, then there are
344
	 * (all-reaches) commits left to be bisected.
345
	 * On the other hand, if it is bad, then the set
346
	 * to bisect is "reaches".
347
	 * A bisect set of size N has (N-1) commits further
348
	 * to test, as we already know one bad one.
349
	 */
350
	cnt = all - reaches;
351
	if (cnt < reaches)
352
		cnt = reaches;
353

354
	if (revs->commits)
355
		oid_to_hex_r(hex, &revs->commits->item->object.oid);
356

357
	if (flags & BISECT_SHOW_ALL) {
358
		traverse_commit_list(revs, show_commit, show_object, info);
359
		printf("------\n");
360
	}
361

362
	print_var_str("bisect_rev", hex);
363
	print_var_int("bisect_nr", cnt - 1);
364
	print_var_int("bisect_good", all - reaches - 1);
365
	print_var_int("bisect_bad", reaches - 1);
366
	print_var_int("bisect_all", all);
367
	print_var_int("bisect_steps", estimate_bisect_steps(all));
368

369
	return 0;
370
}
371

372
static int show_object_fast(
373
	const struct object_id *oid,
374
	enum object_type type UNUSED,
375
	int exclude UNUSED,
376
	uint32_t name_hash UNUSED,
377
	struct packed_git *found_pack UNUSED,
378
	off_t found_offset UNUSED)
379
{
380
	fprintf(stdout, "%s\n", oid_to_hex(oid));
381
	return 1;
382
}
383

384
static void print_disk_usage(off_t size)
385
{
386
	struct strbuf sb = STRBUF_INIT;
387
	if (human_readable)
388
		strbuf_humanise_bytes(&sb, size);
389
	else
390
		strbuf_addf(&sb, "%"PRIuMAX, (uintmax_t)size);
391
	puts(sb.buf);
392
	strbuf_release(&sb);
393
}
394

395
static inline int parse_missing_action_value(const char *value)
396
{
397
	if (!strcmp(value, "error")) {
398
		arg_missing_action = MA_ERROR;
399
		return 1;
400
	}
401

402
	if (!strcmp(value, "allow-any")) {
403
		arg_missing_action = MA_ALLOW_ANY;
404
		fetch_if_missing = 0;
405
		return 1;
406
	}
407

408
	if (!strcmp(value, "print")) {
409
		arg_missing_action = MA_PRINT;
410
		fetch_if_missing = 0;
411
		return 1;
412
	}
413

414
	if (!strcmp(value, "allow-promisor")) {
415
		arg_missing_action = MA_ALLOW_PROMISOR;
416
		fetch_if_missing = 0;
417
		return 1;
418
	}
419

420
	return 0;
421
}
422

423
static int try_bitmap_count(struct rev_info *revs,
424
			    int filter_provided_objects)
425
{
426
	uint32_t commit_count = 0,
427
		 tag_count = 0,
428
		 tree_count = 0,
429
		 blob_count = 0;
430
	int max_count;
431
	struct bitmap_index *bitmap_git;
432

433
	/* This function only handles counting, not general traversal. */
434
	if (!revs->count)
435
		return -1;
436

437
	/*
438
	 * A bitmap result can't know left/right, etc, because we don't
439
	 * actually traverse.
440
	 */
441
	if (revs->left_right || revs->cherry_mark)
442
		return -1;
443

444
	/*
445
	 * If we're counting reachable objects, we can't handle a max count of
446
	 * commits to traverse, since we don't know which objects go with which
447
	 * commit.
448
	 */
449
	if (revs->max_count >= 0 &&
450
	    (revs->tag_objects || revs->tree_objects || revs->blob_objects))
451
		return -1;
452

453
	/*
454
	 * This must be saved before doing any walking, since the revision
455
	 * machinery will count it down to zero while traversing.
456
	 */
457
	max_count = revs->max_count;
458

459
	bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
460
	if (!bitmap_git)
461
		return -1;
462

463
	count_bitmap_commit_list(bitmap_git, &commit_count,
464
				 revs->tree_objects ? &tree_count : NULL,
465
				 revs->blob_objects ? &blob_count : NULL,
466
				 revs->tag_objects ? &tag_count : NULL);
467
	if (max_count >= 0 && max_count < commit_count)
468
		commit_count = max_count;
469

470
	printf("%d\n", commit_count + tree_count + blob_count + tag_count);
471
	free_bitmap_index(bitmap_git);
472
	return 0;
473
}
474

475
static int try_bitmap_traversal(struct rev_info *revs,
476
				int filter_provided_objects)
477
{
478
	struct bitmap_index *bitmap_git;
479

480
	/*
481
	 * We can't use a bitmap result with a traversal limit, since the set
482
	 * of commits we'd get would be essentially random.
483
	 */
484
	if (revs->max_count >= 0)
485
		return -1;
486

487
	bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
488
	if (!bitmap_git)
489
		return -1;
490

491
	traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast);
492
	free_bitmap_index(bitmap_git);
493
	return 0;
494
}
495

496
static int try_bitmap_disk_usage(struct rev_info *revs,
497
				 int filter_provided_objects)
498
{
499
	struct bitmap_index *bitmap_git;
500
	off_t size_from_bitmap;
501

502
	if (!show_disk_usage)
503
		return -1;
504

505
	bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
506
	if (!bitmap_git)
507
		return -1;
508

509
	size_from_bitmap = get_disk_usage_from_bitmap(bitmap_git, revs);
510
	print_disk_usage(size_from_bitmap);
511

512
	free_bitmap_index(bitmap_git);
513
	return 0;
514
}
515

516
int cmd_rev_list(int argc, const char **argv, const char *prefix)
517
{
518
	struct rev_info revs;
519
	struct rev_list_info info;
520
	struct setup_revision_opt s_r_opt = {
521
		.allow_exclude_promisor_objects = 1,
522
	};
523
	int i;
524
	int bisect_list = 0;
525
	int bisect_show_vars = 0;
526
	int bisect_find_all = 0;
527
	int use_bitmap_index = 0;
528
	int filter_provided_objects = 0;
529
	const char *show_progress = NULL;
530
	int ret = 0;
531

532
	if (argc == 2 && !strcmp(argv[1], "-h"))
533
		usage(rev_list_usage);
534

535
	git_config(git_default_config, NULL);
536
	repo_init_revisions(the_repository, &revs, prefix);
537
	revs.abbrev = DEFAULT_ABBREV;
538
	revs.commit_format = CMIT_FMT_UNSPECIFIED;
539
	revs.include_header = 1;
540

541
	/*
542
	 * Scan the argument list before invoking setup_revisions(), so that we
543
	 * know if fetch_if_missing needs to be set to 0.
544
	 *
545
	 * "--exclude-promisor-objects" acts as a pre-filter on missing objects
546
	 * by not crossing the boundary from realized objects to promisor
547
	 * objects.
548
	 *
549
	 * Let "--missing" to conditionally set fetch_if_missing.
550
	 */
551
	/*
552
	 * NEEDSWORK: These loops that attempt to find presence of
553
	 * options without understanding that the options they are
554
	 * skipping are broken (e.g., it would not know "--grep
555
	 * --exclude-promisor-objects" is not triggering
556
	 * "--exclude-promisor-objects" option).  We really need
557
	 * setup_revisions() to have a mechanism to allow and disallow
558
	 * some sets of options for different commands (like rev-list,
559
	 * replay, etc). Such a mechanism should do an early parsing
560
	 * of options and be able to manage the `--missing=...` and
561
	 * `--exclude-promisor-objects` options below.
562
	 */
563
	for (i = 1; i < argc; i++) {
564
		const char *arg = argv[i];
565
		if (!strcmp(arg, "--exclude-promisor-objects")) {
566
			fetch_if_missing = 0;
567
			revs.exclude_promisor_objects = 1;
568
			break;
569
		}
570
	}
571
	for (i = 1; i < argc; i++) {
572
		const char *arg = argv[i];
573
		if (skip_prefix(arg, "--missing=", &arg)) {
574
			if (revs.exclude_promisor_objects)
575
				die(_("options '%s' and '%s' cannot be used together"), "--exclude-promisor-objects", "--missing");
576
			if (parse_missing_action_value(arg))
577
				break;
578
		}
579
	}
580

581
	if (arg_missing_action)
582
		revs.do_not_die_on_missing_objects = 1;
583

584
	argc = setup_revisions(argc, argv, &revs, &s_r_opt);
585

586
	memset(&info, 0, sizeof(info));
587
	info.revs = &revs;
588
	if (revs.bisect)
589
		bisect_list = 1;
590

591
	if (revs.diffopt.flags.quick)
592
		info.flags |= REV_LIST_QUIET;
593
	for (i = 1 ; i < argc; i++) {
594
		const char *arg = argv[i];
595

596
		if (!strcmp(arg, "--header")) {
597
			revs.verbose_header = 1;
598
			continue;
599
		}
600
		if (!strcmp(arg, "--timestamp")) {
601
			info.show_timestamp = 1;
602
			continue;
603
		}
604
		if (!strcmp(arg, "--bisect")) {
605
			bisect_list = 1;
606
			continue;
607
		}
608
		if (!strcmp(arg, "--bisect-all")) {
609
			bisect_list = 1;
610
			bisect_find_all = 1;
611
			info.flags |= BISECT_SHOW_ALL;
612
			revs.show_decorations = 1;
613
			continue;
614
		}
615
		if (!strcmp(arg, "--bisect-vars")) {
616
			bisect_list = 1;
617
			bisect_show_vars = 1;
618
			continue;
619
		}
620
		if (!strcmp(arg, "--use-bitmap-index")) {
621
			use_bitmap_index = 1;
622
			continue;
623
		}
624
		if (!strcmp(arg, "--test-bitmap")) {
625
			test_bitmap_walk(&revs);
626
			goto cleanup;
627
		}
628
		if (skip_prefix(arg, "--progress=", &arg)) {
629
			show_progress = arg;
630
			continue;
631
		}
632
		if (!strcmp(arg, "--filter-provided-objects")) {
633
			filter_provided_objects = 1;
634
			continue;
635
		}
636
		if (!strcmp(arg, "--filter-print-omitted")) {
637
			arg_print_omitted = 1;
638
			continue;
639
		}
640

641
		if (!strcmp(arg, "--exclude-promisor-objects"))
642
			continue; /* already handled above */
643
		if (skip_prefix(arg, "--missing=", &arg))
644
			continue; /* already handled above */
645

646
		if (!strcmp(arg, ("--no-object-names"))) {
647
			arg_show_object_names = 0;
648
			continue;
649
		}
650

651
		if (!strcmp(arg, ("--object-names"))) {
652
			arg_show_object_names = 1;
653
			continue;
654
		}
655

656
		if (!strcmp(arg, ("--commit-header"))) {
657
			revs.include_header = 1;
658
			continue;
659
		}
660

661
		if (!strcmp(arg, ("--no-commit-header"))) {
662
			revs.include_header = 0;
663
			continue;
664
		}
665

666
		if (skip_prefix(arg, "--disk-usage", &arg)) {
667
			if (*arg == '=') {
668
				if (!strcmp(++arg, "human")) {
669
					human_readable = 1;
670
				} else
671
					die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
672
					    "--disk-usage=<format>", arg, "human");
673
			} else if (*arg) {
674
				/*
675
				 * Arguably should goto a label to continue chain of ifs?
676
				 * Doesn't matter unless we try to add --disk-usage-foo
677
				 * afterwards.
678
				 */
679
				usage(rev_list_usage);
680
			}
681
			show_disk_usage = 1;
682
			info.flags |= REV_LIST_QUIET;
683
			continue;
684
		}
685

686
		usage(rev_list_usage);
687

688
	}
689
	if (revs.commit_format != CMIT_FMT_USERFORMAT)
690
		revs.include_header = 1;
691
	if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
692
		/* The command line has a --pretty  */
693
		info.hdr_termination = '\n';
694
		if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
695
			info.header_prefix = "";
696
		else
697
			info.header_prefix = "commit ";
698
	}
699
	else if (revs.verbose_header)
700
		/* Only --header was specified */
701
		revs.commit_format = CMIT_FMT_RAW;
702

703
	if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
704
	     (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
705
	      !revs.pending.nr) &&
706
	     !revs.rev_input_given && !revs.read_from_stdin) ||
707
	    revs.diff)
708
		usage(rev_list_usage);
709

710
	if (revs.show_notes)
711
		die(_("rev-list does not support display of notes"));
712

713
	if (revs.count &&
714
	    (revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
715
	    (revs.left_right || revs.cherry_mark))
716
		die(_("marked counting and '%s' cannot be used together"), "--objects");
717

718
	save_commit_buffer = (revs.verbose_header ||
719
			      revs.grep_filter.pattern_list ||
720
			      revs.grep_filter.header_list);
721
	if (bisect_list)
722
		revs.limited = 1;
723

724
	if (show_progress)
725
		progress = start_delayed_progress(show_progress, 0);
726

727
	if (use_bitmap_index) {
728
		if (!try_bitmap_count(&revs, filter_provided_objects))
729
			goto cleanup;
730
		if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
731
			goto cleanup;
732
		if (!try_bitmap_traversal(&revs, filter_provided_objects))
733
			goto cleanup;
734
	}
735

736
	if (prepare_revision_walk(&revs))
737
		die("revision walk setup failed");
738
	if (revs.tree_objects)
739
		mark_edges_uninteresting(&revs, show_edge, 0);
740

741
	if (bisect_list) {
742
		int reaches, all;
743
		unsigned bisect_flags = 0;
744

745
		if (bisect_find_all)
746
			bisect_flags |= FIND_BISECTION_ALL;
747

748
		if (revs.first_parent_only)
749
			bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
750

751
		find_bisection(&revs.commits, &reaches, &all, bisect_flags);
752

753
		if (bisect_show_vars) {
754
			ret = show_bisect_vars(&info, reaches, all);
755
			goto cleanup;
756
		}
757
	}
758

759
	if (filter_provided_objects) {
760
		struct commit_list *c;
761
		for (i = 0; i < revs.pending.nr; i++) {
762
			struct object_array_entry *pending = revs.pending.objects + i;
763
			pending->item->flags |= NOT_USER_GIVEN;
764
		}
765
		for (c = revs.commits; c; c = c->next)
766
			c->item->object.flags |= NOT_USER_GIVEN;
767
	}
768

769
	if (arg_print_omitted)
770
		oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
771
	if (arg_missing_action == MA_PRINT) {
772
		oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);
773
		/* Add missing tips */
774
		oidset_insert_from_set(&missing_objects, &revs.missing_commits);
775
		oidset_clear(&revs.missing_commits);
776
	}
777

778
	traverse_commit_list_filtered(
779
		&revs, show_commit, show_object, &info,
780
		(arg_print_omitted ? &omitted_objects : NULL));
781

782
	if (arg_print_omitted) {
783
		struct oidset_iter iter;
784
		struct object_id *oid;
785
		oidset_iter_init(&omitted_objects, &iter);
786
		while ((oid = oidset_iter_next(&iter)))
787
			printf("~%s\n", oid_to_hex(oid));
788
		oidset_clear(&omitted_objects);
789
	}
790
	if (arg_missing_action == MA_PRINT) {
791
		struct oidset_iter iter;
792
		struct object_id *oid;
793
		oidset_iter_init(&missing_objects, &iter);
794
		while ((oid = oidset_iter_next(&iter)))
795
			printf("?%s\n", oid_to_hex(oid));
796
		oidset_clear(&missing_objects);
797
	}
798

799
	stop_progress(&progress);
800

801
	if (revs.count) {
802
		if (revs.left_right && revs.cherry_mark)
803
			printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
804
		else if (revs.left_right)
805
			printf("%d\t%d\n", revs.count_left, revs.count_right);
806
		else if (revs.cherry_mark)
807
			printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
808
		else
809
			printf("%d\n", revs.count_left + revs.count_right);
810
	}
811

812
	if (show_disk_usage)
813
		print_disk_usage(total_disk_usage);
814

815
cleanup:
816
	release_revisions(&revs);
817
	return ret;
818
}
819