Exemplo n.º 1
0
static int handle_is_ancestor(int argc, const char **argv)
{
	struct commit *one, *two;

	if (argc != 2)
		die("--is-ancestor takes exactly two commits");
	one = get_commit_reference(argv[0]);
	two = get_commit_reference(argv[1]);
	if (in_merge_bases(one, two))
		return 0;
	else
		return 1;
}
Exemplo n.º 2
0
int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit **rev;
	int rev_nr = 0;
	int show_all = 0;
	int octopus = 0;
	int reduce = 0;

	struct option options[] = {
		OPT_BOOLEAN('a', "all", &show_all, "output all common ancestors"),
		OPT_BOOLEAN(0, "octopus", &octopus, "find ancestors for a single n-way merge"),
		OPT_BOOLEAN(0, "independent", &reduce, "list revs not reachable from others"),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);
	if (!octopus && !reduce && argc < 2)
		usage_with_options(merge_base_usage, options);
	if (reduce && (show_all || octopus))
		die("--independent cannot be used with other options");

	if (octopus || reduce)
		return handle_octopus(argc, argv, reduce, show_all);

	rev = xmalloc(argc * sizeof(*rev));
	while (argc-- > 0)
		rev[rev_nr++] = get_commit_reference(*argv++);
	return show_merge_base(rev, rev_nr, show_all);
}
Exemplo n.º 3
0
static int handle_octopus(int count, const char **args, int reduce, int show_all)
{
	struct commit_list *revs = NULL;
	struct commit_list *result;
	int i;

	if (reduce)
		show_all = 1;

	for (i = count - 1; i >= 0; i--)
		commit_list_insert(get_commit_reference(args[i]), &revs);

	result = reduce ? reduce_heads(revs) : get_octopus_merge_bases(revs);

	if (!result)
		return 1;

	while (result) {
		printf("%s\n", sha1_to_hex(result->item->object.sha1));
		if (!show_all)
			return 0;
		result = result->next;
	}

	return 0;
}
Exemplo n.º 4
0
static int handle_octopus(int count, const char **args, int show_all)
{
	struct commit_list *revs = NULL;
	struct commit_list *result, *rev;
	int i;

	for (i = count - 1; i >= 0; i--)
		commit_list_insert(get_commit_reference(args[i]), &revs);

	result = get_octopus_merge_bases(revs);
	free_commit_list(revs);
	reduce_heads_replace(&result);

	if (!result)
		return 1;

	for (rev = result; rev; rev = rev->next) {
		printf("%s\n", oid_to_hex(&rev->item->object.oid));
		if (!show_all)
			break;
	}

	free_commit_list(result);
	return 0;
}
Exemplo n.º 5
0
int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit **rev;
	int rev_nr = 0;
	int show_all = 0;
	int cmdmode = 0;

	struct option options[] = {
		OPT_BOOL('a', "all", &show_all, N_("output all common ancestors")),
		OPT_CMDMODE(0, "octopus", &cmdmode,
			    N_("find ancestors for a single n-way merge"), 'o'),
		OPT_CMDMODE(0, "independent", &cmdmode,
			    N_("list revs not reachable from others"), 'r'),
		OPT_CMDMODE(0, "is-ancestor", &cmdmode,
			    N_("is the first one ancestor of the other?"), 'a'),
		OPT_CMDMODE(0, "fork-point", &cmdmode,
			    N_("find where <commit> forked from reflog of <ref>"), 'f'),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);

	if (cmdmode == 'a') {
		if (argc < 2)
			usage_with_options(merge_base_usage, options);
		if (show_all)
			die("--is-ancestor cannot be used with --all");
		return handle_is_ancestor(argc, argv);
	}

	if (cmdmode == 'r' && show_all)
		die("--independent cannot be used with --all");

	if (cmdmode == 'o')
		return handle_octopus(argc, argv, show_all);

	if (cmdmode == 'r')
		return handle_independent(argc, argv);

	if (cmdmode == 'f') {
		if (argc < 1 || 2 < argc)
			usage_with_options(merge_base_usage, options);
		return handle_fork_point(argc, argv);
	}

	if (argc < 2)
		usage_with_options(merge_base_usage, options);

	ALLOC_ARRAY(rev, argc);
	while (argc-- > 0)
		rev[rev_nr++] = get_commit_reference(*argv++);
	return show_merge_base(rev, rev_nr, show_all);
}
Exemplo n.º 6
0
int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit *rev1, *rev2;
	int show_all = 0;

	git_config(git_default_config, NULL);

	while (1 < argc && argv[1][0] == '-') {
		const char *arg = argv[1];
		if (!strcmp(arg, "-a") || !strcmp(arg, "--all"))
			show_all = 1;
		else
			usage(merge_base_usage);
		argc--; argv++;
	}
	if (argc != 3)
		usage(merge_base_usage);
	rev1 = get_commit_reference(argv[1]);
	rev2 = get_commit_reference(argv[2]);

	return show_merge_base(rev1, rev2, show_all);
}
Exemplo n.º 7
0
static int handle_independent(int count, const char **args)
{
	struct commit_list *revs = NULL, *rev;
	int i;

	for (i = count - 1; i >= 0; i--)
		commit_list_insert(get_commit_reference(args[i]), &revs);

	reduce_heads_replace(&revs);

	if (!revs)
		return 1;

	for (rev = revs; rev; rev = rev->next)
		printf("%s\n", oid_to_hex(&rev->item->object.oid));

	free_commit_list(revs);
	return 0;
}
Exemplo n.º 8
0
static int handle_independent(int count, const char **args)
{
	struct commit_list *revs = NULL;
	struct commit_list *result;
	int i;

	for (i = count - 1; i >= 0; i--)
		commit_list_insert(get_commit_reference(args[i]), &revs);

	result = reduce_heads(revs);
	if (!result)
		return 1;

	while (result) {
		printf("%s\n", oid_to_hex(&result->item->object.oid));
		result = result->next;
	}
	return 0;
}
Exemplo n.º 9
0
int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit **rev;
	int rev_nr = 0;
	int show_all = 0;

	struct option options[] = {
		OPT_BOOLEAN('a', "all", &show_all, "outputs all common ancestors"),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);
	if (argc < 2)
		usage_with_options(merge_base_usage, options);
	rev = xmalloc(argc * sizeof(*rev));
	while (argc-- > 0)
		rev[rev_nr++] = get_commit_reference(*argv++);
	return show_merge_base(rev, rev_nr, show_all);
}