Function bisect_checkout

bisect.c:734–771

}

enum bisect_error bisect_checkout(const struct object_id *bisect_rev,
				  int no_checkout)
{
	struct commit *commit;
	struct pretty_print_context pp = {0};
	struct strbuf commit_msg = STRBUF_INIT;

	refs_update_ref(get_main_ref_store(the_repository), NULL,
			"BISECT_EXPECTED_REV", bisect_rev, NULL, 0,
			UPDATE_REFS_DIE_ON_ERR);

	if (no_checkout) {
		refs_update_ref(get_main_ref_store(the_repository), NULL,
				"BISECT_HEAD", bisect_rev, NULL, 0,
				UPDATE_REFS_DIE_ON_ERR);
	} else {
		struct child_process cmd = CHILD_PROCESS_INIT;

		cmd.git_cmd = 1;
		strvec_pushl(&cmd.args, "checkout", "-q",
			     oid_to_hex(bisect_rev), "--", NULL);
		if (run_command(&cmd))
			/*
			 * Errors in `run_command()` itself, signaled by res < 0,
			 * and errors in the child process, signaled by res > 0
			 * can both be treated as regular BISECT_FAILED (-1).
			 */
			return BISECT_FAILED;
	}

	commit = lookup_commit_reference(the_repository, bisect_rev);
	repo_format_commit_message(the_repository, commit, "[%H] %s%n",
				   &commit_msg, &pp);
	fputs(commit_msg.buf, stdout);
	strbuf_release(&commit_msg);

	return BISECT_OK;
}

static struct commit *get_commit_reference(struct repository *r,
					   const struct object_id *oid)