public function actionMark($version)
    {
        $originalVersion = $version;
        if (($namespaceVersion = $this->extractNamespaceMigrationVersion($version)) !== false) {
            $version = $namespaceVersion;
        } elseif (($migrationName = $this->extractMigrationVersion($version)) !== false) {
            $version = $migrationName;
        } elseif ($version !== static::BASE_MIGRATION) {
            throw new Exception("The version argument must be either a timestamp (e.g. 101129_185401)\nor the full name of a migration (e.g. m101129_185401_create_user_table)\nor the full name of a namespaced migration (e.g. app\\migrations\\M101129185401CreateUserTable).");
        }

        // try mark up
        $migrations = $this->getNewMigrations();
        foreach ($migrations as $i => $migration) {
            if (strpos($migration, $version) === 0) {
                if ($this->confirm("Set migration history at $originalVersion?")) {
                    for ($j = 0; $j <= $i; ++$j) {
                        $this->addMigrationHistory($migrations[$j]);
                    }
                    $this->stdout("The migration history is set at $originalVersion.\nNo actual migration was performed.\n", Console::FG_GREEN);
                }

                return ExitCode::OK;
            }
        }

        // try mark down
        $migrations = array_keys($this->getMigrationHistory(null));
        $migrations[] = static::BASE_MIGRATION;
        foreach ($migrations as $i => $migration) {
            if (strpos($migration, $version) === 0) {
                if ($i === 0) {
                    $this->stdout("Already at '$originalVersion'. Nothing needs to be done.\n", Console::FG_YELLOW);
                } else {
                    if ($this->confirm("Set migration history at $originalVersion?")) {
                        for ($j = 0; $j < $i; ++$j) {
                            $this->removeMigrationHistory($migrations[$j]);
                        }
                        $this->stdout("The migration history is set at $originalVersion.\nNo actual migration was performed.\n", Console::FG_GREEN);
                    }
                }

                return ExitCode::OK;
            }
        }

        throw new Exception("Unable to find the version '$originalVersion'.");
    }