Function bisect_state

builtin/bisect.c:941–1020

}

static enum bisect_error bisect_state(struct bisect_terms *terms, int argc,
				      const char **argv)
{
	const char *state;
	int i, verify_expected = 1;
	struct object_id oid, expected;
	struct oid_array revs = OID_ARRAY_INIT;

	if (!argc)
		return error(_("Please call `--bisect-state` with at least one argument"));

	if (bisect_autostart(terms))
		return BISECT_FAILED;

	state = argv[0];
	if (check_and_set_terms(terms, state) ||
	    !one_of(state, terms->term_good, terms->term_bad, "skip", NULL))
		return BISECT_FAILED;

	argv++;
	argc--;
	if (argc > 1 && !strcmp(state, terms->term_bad))
		return error(_("'git bisect %s' can take only one argument."), terms->term_bad);

	if (argc == 0) {
		const char *head = "BISECT_HEAD";
		enum get_oid_result res_head = repo_get_oid(the_repository,
							    head, &oid);

		if (res_head == MISSING_OBJECT) {
			head = "HEAD";
			res_head = repo_get_oid(the_repository, head, &oid);
		}

		if (res_head)
			error(_("Bad rev input: %s"), head);
		oid_array_append(&revs, &oid);
	}

	/*
	 * All input revs must be checked before executing bisect_write()
	 * to discard junk revs.
	 */

	for (; argc; argc--, argv++) {
		struct commit *commit;

		if (repo_get_oid(the_repository, *argv, &oid)){
			error(_("Bad rev input: %s"), *argv);
			oid_array_clear(&revs);
			return BISECT_FAILED;
		}

		commit = lookup_commit_reference(the_repository, &oid);
		if (!commit)
			die(_("Bad rev input (not a commit): %s"), *argv);

		oid_array_append(&revs, &commit->object.oid);