Example #1
0
File: bisect.c Project: 4rch17/git
/*
 * We use the convention that exiting with an exit code 10 means that
 * the bisection process finished successfully.
 * In this case the calling shell script should exit 0.
 *
 * If no_checkout is non-zero, the bisection process does not
 * checkout the trial commit but instead simply updates BISECT_HEAD.
 */
int bisect_next_all(const char *prefix, int no_checkout)
{
	struct rev_info revs;
	struct commit_list *tried;
	int reaches = 0, all = 0, nr, steps;
	const unsigned char *bisect_rev;
	char bisect_rev_hex[41];

	if (read_bisect_refs())
		die("reading bisect refs failed");

	check_good_are_ancestors_of_bad(prefix, no_checkout);

	bisect_rev_setup(&revs, prefix, "%s", "^%s", 1);
	revs.limited = 1;

	bisect_common(&revs);

	revs.commits = find_bisection(revs.commits, &reaches, &all,
				       !!skipped_revs.nr);
	revs.commits = managed_skipped(revs.commits, &tried);

	if (!revs.commits) {
		/*
		 * We should exit here only if the "bad"
		 * commit is also a "skip" commit.
		 */
		exit_if_skipped_commits(tried, NULL);

		printf("%s was both good and bad\n",
		       sha1_to_hex(current_bad_sha1));
		exit(1);
	}

	if (!all) {
		fprintf(stderr, "No testable commit found.\n"
			"Maybe you started with bad path parameters?\n");
		exit(4);
	}

	bisect_rev = revs.commits->item->object.sha1;
	memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), 41);

	if (!hashcmp(bisect_rev, current_bad_sha1)) {
		exit_if_skipped_commits(tried, current_bad_sha1);
		printf("%s is the first bad commit\n", bisect_rev_hex);
		show_diff_tree(prefix, revs.commits->item);
		/* This means the bisection process succeeded. */
		exit(10);
	}

	nr = all - reaches - 1;
	steps = estimate_bisect_steps(all);
	printf("Bisecting: %d revision%s left to test after this "
	       "(roughly %d step%s)\n", nr, (nr == 1 ? "" : "s"),
	       steps, (steps == 1 ? "" : "s"));

	return bisect_checkout(bisect_rev_hex, no_checkout);
}
Example #2
0
PolygonPartition find_polygon_partition_for_angle(const std::vector<Point>& polygon, double angle)
{
    Intersection inter1 = find_bisection(Point(sin(angle), -cos(angle)), polygon);
    Intersection inter2 = find_bisection(Point(cos(angle), sin(angle)), polygon);

    Point center = find_intersection_center(inter1, inter2);


    IntersectionPoint stop = find_polygon_breakpoint(inter1, inter2, polygon);


    std::vector<Point> quarter_pol = construct_polygon_part(polygon, inter1.left, stop, center);

    double quarter_area = polygon_area(quarter_pol);

    return PolygonPartition(angle, center, 4 * quarter_area - polygon_area(polygon));
}
Example #3
0
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
	struct rev_info revs;
	struct rev_list_info info;
	int i;
	int bisect_list = 0;
	int bisect_show_vars = 0;
	int bisect_find_all = 0;
	int use_bitmap_index = 0;
	const char *show_progress = NULL;

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

	git_config(git_default_config, NULL);
	init_revisions(&revs, prefix);
	revs.abbrev = DEFAULT_ABBREV;
	revs.commit_format = CMIT_FMT_UNSPECIFIED;
	argc = setup_revisions(argc, argv, &revs, NULL);

	memset(&info, 0, sizeof(info));
	info.revs = &revs;
	if (revs.bisect)
		bisect_list = 1;

	if (DIFF_OPT_TST(&revs.diffopt, QUICK))
		info.flags |= REV_LIST_QUIET;
	for (i = 1 ; i < argc; i++) {
		const char *arg = argv[i];

		if (!strcmp(arg, "--header")) {
			revs.verbose_header = 1;
			continue;
		}
		if (!strcmp(arg, "--timestamp")) {
			info.show_timestamp = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect")) {
			bisect_list = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-all")) {
			bisect_list = 1;
			bisect_find_all = 1;
			info.flags |= BISECT_SHOW_ALL;
			revs.show_decorations = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-vars")) {
			bisect_list = 1;
			bisect_show_vars = 1;
			continue;
		}
		if (!strcmp(arg, "--use-bitmap-index")) {
			use_bitmap_index = 1;
			continue;
		}
		if (!strcmp(arg, "--test-bitmap")) {
			test_bitmap_walk(&revs);
			return 0;
		}
		if (skip_prefix(arg, "--progress=", &arg)) {
			show_progress = arg;
			continue;
		}
		usage(rev_list_usage);

	}
	if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
		/* The command line has a --pretty  */
		info.hdr_termination = '\n';
		if (revs.commit_format == CMIT_FMT_ONELINE)
			info.header_prefix = "";
		else
			info.header_prefix = "commit ";
	}
	else if (revs.verbose_header)
		/* Only --header was specified */
		revs.commit_format = CMIT_FMT_RAW;

	if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
	     (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
	      !revs.pending.nr) &&
	     !revs.rev_input_given) ||
	    revs.diff)
		usage(rev_list_usage);

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

	save_commit_buffer = (revs.verbose_header ||
			      revs.grep_filter.pattern_list ||
			      revs.grep_filter.header_list);
	if (bisect_list)
		revs.limited = 1;

	if (show_progress)
		progress = start_delayed_progress(show_progress, 0);

	if (use_bitmap_index && !revs.prune) {
		if (revs.count && !revs.left_right && !revs.cherry_mark) {
			uint32_t commit_count;
			int max_count = revs.max_count;
			if (!prepare_bitmap_walk(&revs)) {
				count_bitmap_commit_list(&commit_count, NULL, NULL, NULL);
				if (max_count >= 0 && max_count < commit_count)
					commit_count = max_count;
				printf("%d\n", commit_count);
				return 0;
			}
		} else if (revs.max_count < 0 &&
			   revs.tag_objects && revs.tree_objects && revs.blob_objects) {
			if (!prepare_bitmap_walk(&revs)) {
				traverse_bitmap_commit_list(&show_object_fast);
				return 0;
			}
		}
	}

	if (prepare_revision_walk(&revs))
		die("revision walk setup failed");
	if (revs.tree_objects)
		mark_edges_uninteresting(&revs, show_edge);

	if (bisect_list) {
		int reaches = reaches, all = all;

		revs.commits = find_bisection(revs.commits, &reaches, &all,
					      bisect_find_all);

		if (bisect_show_vars)
			return show_bisect_vars(&info, reaches, all);
	}

	traverse_commit_list(&revs, show_commit, show_object, &info);

	stop_progress(&progress);

	if (revs.count) {
		if (revs.left_right && revs.cherry_mark)
			printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
		else if (revs.left_right)
			printf("%d\t%d\n", revs.count_left, revs.count_right);
		else if (revs.cherry_mark)
			printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
		else
			printf("%d\n", revs.count_left + revs.count_right);
	}

	return 0;
}
Example #4
0
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
	struct rev_info revs;
	struct rev_list_info info;
	int i;
	int bisect_list = 0;
	int bisect_show_vars = 0;
	int bisect_find_all = 0;
	int use_bitmap_index = 0;
	const char *show_progress = NULL;

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

	git_config(git_default_config, NULL);
	init_revisions(&revs, prefix);
	revs.abbrev = DEFAULT_ABBREV;
	revs.commit_format = CMIT_FMT_UNSPECIFIED;

	/*
	 * Scan the argument list before invoking setup_revisions(), so that we
	 * know if fetch_if_missing needs to be set to 0.
	 *
	 * "--exclude-promisor-objects" acts as a pre-filter on missing objects
	 * by not crossing the boundary from realized objects to promisor
	 * objects.
	 *
	 * Let "--missing" to conditionally set fetch_if_missing.
	 */
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (!strcmp(arg, "--exclude-promisor-objects")) {
			fetch_if_missing = 0;
			revs.exclude_promisor_objects = 1;
			break;
		}
	}
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (skip_prefix(arg, "--missing=", &arg)) {
			if (revs.exclude_promisor_objects)
				die(_("cannot combine --exclude-promisor-objects and --missing"));
			if (parse_missing_action_value(arg))
				break;
		}
	}

	argc = setup_revisions(argc, argv, &revs, NULL);

	memset(&info, 0, sizeof(info));
	info.revs = &revs;
	if (revs.bisect)
		bisect_list = 1;

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

		if (!strcmp(arg, "--header")) {
			revs.verbose_header = 1;
			continue;
		}
		if (!strcmp(arg, "--timestamp")) {
			info.show_timestamp = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect")) {
			bisect_list = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-all")) {
			bisect_list = 1;
			bisect_find_all = 1;
			info.flags |= BISECT_SHOW_ALL;
			revs.show_decorations = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-vars")) {
			bisect_list = 1;
			bisect_show_vars = 1;
			continue;
		}
		if (!strcmp(arg, "--use-bitmap-index")) {
			use_bitmap_index = 1;
			continue;
		}
		if (!strcmp(arg, "--test-bitmap")) {
			test_bitmap_walk(&revs);
			return 0;
		}
		if (skip_prefix(arg, "--progress=", &arg)) {
			show_progress = arg;
			continue;
		}

		if (skip_prefix(arg, ("--" CL_ARG__FILTER "="), &arg)) {
			parse_list_objects_filter(&filter_options, arg);
			if (filter_options.choice && !revs.blob_objects)
				die(_("object filtering requires --objects"));
			if (filter_options.choice == LOFC_SPARSE_OID &&
			    !filter_options.sparse_oid_value)
				die(_("invalid sparse value '%s'"),
				    filter_options.filter_spec);
			continue;
		}
		if (!strcmp(arg, ("--no-" CL_ARG__FILTER))) {
			list_objects_filter_set_no_filter(&filter_options);
			continue;
		}
		if (!strcmp(arg, "--filter-print-omitted")) {
			arg_print_omitted = 1;
			continue;
		}

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

		usage(rev_list_usage);

	}
	if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
		/* The command line has a --pretty  */
		info.hdr_termination = '\n';
		if (revs.commit_format == CMIT_FMT_ONELINE)
			info.header_prefix = "";
		else
			info.header_prefix = "commit ";
	}
	else if (revs.verbose_header)
		/* Only --header was specified */
		revs.commit_format = CMIT_FMT_RAW;

	if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
	     (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
	      !revs.pending.nr) &&
	     !revs.rev_input_given && !revs.read_from_stdin) ||
	    revs.diff)
		usage(rev_list_usage);

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

	if (filter_options.choice && use_bitmap_index)
		die(_("cannot combine --use-bitmap-index with object filtering"));

	save_commit_buffer = (revs.verbose_header ||
			      revs.grep_filter.pattern_list ||
			      revs.grep_filter.header_list);
	if (bisect_list)
		revs.limited = 1;

	if (show_progress)
		progress = start_delayed_progress(show_progress, 0);

	if (use_bitmap_index && !revs.prune) {
		if (revs.count && !revs.left_right && !revs.cherry_mark) {
			uint32_t commit_count;
			int max_count = revs.max_count;
			struct bitmap_index *bitmap_git;
			if ((bitmap_git = prepare_bitmap_walk(&revs))) {
				count_bitmap_commit_list(bitmap_git, &commit_count, NULL, NULL, NULL);
				if (max_count >= 0 && max_count < commit_count)
					commit_count = max_count;
				printf("%d\n", commit_count);
				free_bitmap_index(bitmap_git);
				return 0;
			}
		} else if (revs.max_count < 0 &&
			   revs.tag_objects && revs.tree_objects && revs.blob_objects) {
			struct bitmap_index *bitmap_git;
			if ((bitmap_git = prepare_bitmap_walk(&revs))) {
				traverse_bitmap_commit_list(bitmap_git, &show_object_fast);
				free_bitmap_index(bitmap_git);
				return 0;
			}
		}
	}

	if (prepare_revision_walk(&revs))
		die("revision walk setup failed");
	if (revs.tree_objects)
		mark_edges_uninteresting(&revs, show_edge);

	if (bisect_list) {
		int reaches, all;

		find_bisection(&revs.commits, &reaches, &all, bisect_find_all);

		if (bisect_show_vars)
			return show_bisect_vars(&info, reaches, all);
	}

	if (arg_print_omitted)
		oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
	if (arg_missing_action == MA_PRINT)
		oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);

	traverse_commit_list_filtered(
		&filter_options, &revs, show_commit, show_object, &info,
		(arg_print_omitted ? &omitted_objects : NULL));

	if (arg_print_omitted) {
		struct oidset_iter iter;
		struct object_id *oid;
		oidset_iter_init(&omitted_objects, &iter);
		while ((oid = oidset_iter_next(&iter)))
			printf("~%s\n", oid_to_hex(oid));
		oidset_clear(&omitted_objects);
	}
	if (arg_missing_action == MA_PRINT) {
		struct oidset_iter iter;
		struct object_id *oid;
		oidset_iter_init(&missing_objects, &iter);
		while ((oid = oidset_iter_next(&iter)))
			printf("?%s\n", oid_to_hex(oid));
		oidset_clear(&missing_objects);
	}

	stop_progress(&progress);

	if (revs.count) {
		if (revs.left_right && revs.cherry_mark)
			printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
		else if (revs.left_right)
			printf("%d\t%d\n", revs.count_left, revs.count_right);
		else if (revs.cherry_mark)
			printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
		else
			printf("%d\n", revs.count_left + revs.count_right);
	}

	return 0;
}
Example #5
0
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
	struct rev_info revs;
	struct rev_list_info info;
	int i;
	int bisect_list = 0;
	int bisect_show_vars = 0;
	int bisect_find_all = 0;
	int quiet = 0;

	git_config(git_default_config, NULL);
	init_revisions(&revs, prefix);
	revs.abbrev = DEFAULT_ABBREV;
	revs.commit_format = CMIT_FMT_UNSPECIFIED;
	argc = setup_revisions(argc, argv, &revs, NULL);

	memset(&info, 0, sizeof(info));
	info.revs = &revs;
	if (revs.bisect)
		bisect_list = 1;

	quiet = DIFF_OPT_TST(&revs.diffopt, QUICK);
	for (i = 1 ; i < argc; i++) {
		const char *arg = argv[i];

		if (!strcmp(arg, "--header")) {
			revs.verbose_header = 1;
			continue;
		}
		if (!strcmp(arg, "--timestamp")) {
			info.show_timestamp = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect")) {
			bisect_list = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-all")) {
			bisect_list = 1;
			bisect_find_all = 1;
			info.bisect_show_flags = BISECT_SHOW_ALL;
			revs.show_decorations = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-vars")) {
			bisect_list = 1;
			bisect_show_vars = 1;
			continue;
		}
		usage(rev_list_usage);

	}
	if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
		/* The command line has a --pretty  */
		info.hdr_termination = '\n';
		if (revs.commit_format == CMIT_FMT_ONELINE)
			info.header_prefix = "";
		else
			info.header_prefix = "commit ";
	}
	else if (revs.verbose_header)
		/* Only --header was specified */
		revs.commit_format = CMIT_FMT_RAW;

	if ((!revs.commits &&
	     (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
	      !revs.pending.nr)) ||
	    revs.diff)
		usage(rev_list_usage);

	save_commit_buffer = (revs.verbose_header ||
			      revs.grep_filter.pattern_list ||
			      revs.grep_filter.header_list);
	if (bisect_list)
		revs.limited = 1;

	if (prepare_revision_walk(&revs))
		die("revision walk setup failed");
	if (revs.tree_objects)
		mark_edges_uninteresting(revs.commits, &revs, show_edge);

	if (bisect_list) {
		int reaches = reaches, all = all;

		revs.commits = find_bisection(revs.commits, &reaches, &all,
					      bisect_find_all);

		if (bisect_show_vars)
			return show_bisect_vars(&info, reaches, all);
	}

	traverse_commit_list(&revs,
			     quiet ? finish_commit : show_commit,
			     quiet ? finish_object : show_object,
			     &info);

	if (revs.count) {
		if (revs.left_right && revs.cherry_mark)
			printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
		else if (revs.left_right)
			printf("%d\t%d\n", revs.count_left, revs.count_right);
		else if (revs.cherry_mark)
			printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
		else
			printf("%d\n", revs.count_left + revs.count_right);
	}

	return 0;
}
Example #6
0
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
	struct commit_list *list;
	int i;
	int read_from_stdin = 0;
	int bisect_show_vars = 0;
	int bisect_find_all = 0;
	int quiet = 0;

	git_config(git_default_config, NULL);
	init_revisions(&revs, prefix);
	revs.abbrev = 0;
	revs.commit_format = CMIT_FMT_UNSPECIFIED;
	argc = setup_revisions(argc, argv, &revs, NULL);

	quiet = DIFF_OPT_TST(&revs.diffopt, QUIET);
	for (i = 1 ; i < argc; i++) {
		const char *arg = argv[i];

		if (!strcmp(arg, "--header")) {
			revs.verbose_header = 1;
			continue;
		}
		if (!strcmp(arg, "--timestamp")) {
			show_timestamp = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect")) {
			bisect_list = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-all")) {
			bisect_list = 1;
			bisect_find_all = 1;
			continue;
		}
		if (!strcmp(arg, "--bisect-vars")) {
			bisect_list = 1;
			bisect_show_vars = 1;
			continue;
		}
		if (!strcmp(arg, "--stdin")) {
			if (read_from_stdin++)
				die("--stdin given twice?");
			read_revisions_from_stdin(&revs);
			continue;
		}
		usage(rev_list_usage);

	}
	if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
		/* The command line has a --pretty  */
		hdr_termination = '\n';
		if (revs.commit_format == CMIT_FMT_ONELINE)
			header_prefix = "";
		else
			header_prefix = "commit ";
	}
	else if (revs.verbose_header)
		/* Only --header was specified */
		revs.commit_format = CMIT_FMT_RAW;

	list = revs.commits;

	if ((!list &&
	     (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
	      !revs.pending.nr)) ||
	    revs.diff)
		usage(rev_list_usage);

	save_commit_buffer = revs.verbose_header || revs.grep_filter;
	if (bisect_list)
		revs.limited = 1;

	if (prepare_revision_walk(&revs))
		die("revision walk setup failed");
	if (revs.tree_objects)
		mark_edges_uninteresting(revs.commits, &revs, show_edge);

	if (bisect_list) {
		int reaches = reaches, all = all;

		revs.commits = find_bisection(revs.commits, &reaches, &all,
					      bisect_find_all);
		if (bisect_show_vars) {
			int cnt;
			char hex[41];
			if (!revs.commits)
				return 1;
			/*
			 * revs.commits can reach "reaches" commits among
			 * "all" commits.  If it is good, then there are
			 * (all-reaches) commits left to be bisected.
			 * On the other hand, if it is bad, then the set
			 * to bisect is "reaches".
			 * A bisect set of size N has (N-1) commits further
			 * to test, as we already know one bad one.
			 */
			cnt = all - reaches;
			if (cnt < reaches)
				cnt = reaches;
			strcpy(hex, sha1_to_hex(revs.commits->item->object.sha1));

			if (bisect_find_all) {
				traverse_commit_list(&revs, show_commit, show_object);
				printf("------\n");
			}

			printf("bisect_rev=%s\n"
			       "bisect_nr=%d\n"
			       "bisect_good=%d\n"
			       "bisect_bad=%d\n"
			       "bisect_all=%d\n",
			       hex,
			       cnt - 1,
			       all - reaches - 1,
			       reaches - 1,
			       all);
			return 0;
		}
	}

	traverse_commit_list(&revs,
		quiet ? finish_commit : show_commit,
		quiet ? finish_object : show_object);

	return 0;
}
Example #7
0
File: bisect.c Project: dindinw/git
/*
 * We use the convention that exiting with an exit code 10 means that
 * the bisection process finished successfully.
 * In this case the calling shell script should exit 0.
 *
 * If no_checkout is non-zero, the bisection process does not
 * checkout the trial commit but instead simply updates BISECT_HEAD.
 */
int bisect_next_all(const char *prefix, int no_checkout)
{
	struct rev_info revs;
	struct commit_list *tried;
	int reaches = 0, all = 0, nr, steps;
	const unsigned char *bisect_rev;
	char steps_msg[32];

	read_bisect_terms(&term_bad, &term_good);
	if (read_bisect_refs())
		die(_("reading bisect refs failed"));

	check_good_are_ancestors_of_bad(prefix, no_checkout);

	bisect_rev_setup(&revs, prefix, "%s", "^%s", 1);
	revs.limited = 1;

	bisect_common(&revs);

	revs.commits = find_bisection(revs.commits, &reaches, &all,
				       !!skipped_revs.nr);
	revs.commits = managed_skipped(revs.commits, &tried);

	if (!revs.commits) {
		/*
		 * We should exit here only if the "bad"
		 * commit is also a "skip" commit.
		 */
		exit_if_skipped_commits(tried, NULL);

		printf(_("%s was both %s and %s\n"),
		       oid_to_hex(current_bad_oid),
		       term_good,
		       term_bad);
		exit(1);
	}

	if (!all) {
		fprintf(stderr, _("No testable commit found.\n"
			"Maybe you started with bad path parameters?\n"));
		exit(4);
	}

	bisect_rev = revs.commits->item->object.oid.hash;

	if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
		exit_if_skipped_commits(tried, current_bad_oid);
		printf("%s is the first %s commit\n", sha1_to_hex(bisect_rev),
			term_bad);
		show_diff_tree(prefix, revs.commits->item);
		/* This means the bisection process succeeded. */
		exit(10);
	}

	nr = all - reaches - 1;
	steps = estimate_bisect_steps(all);
	xsnprintf(steps_msg, sizeof(steps_msg),
		  Q_("(roughly %d step)", "(roughly %d steps)", steps),
		  steps);
	/* TRANSLATORS: the last %s will be replaced with
	   "(roughly %d steps)" translation */
	printf(Q_("Bisecting: %d revision left to test after this %s\n",
		  "Bisecting: %d revisions left to test after this %s\n",
		  nr), nr, steps_msg);

	return bisect_checkout(bisect_rev, no_checkout);
}