public function getProcessEnv() {
		if (file_exists($this->getPrivateKeyPath())) {
			// Key-pair is available, use it.
			$processEnv = array(
				'IDENT_KEY' => $this->getPrivateKeyPath(),
				'GIT_SSH' => BASE_PATH . "/deploynaut/git-deploy.sh"
			);
		} else {
			$processEnv = array();
		}
		$this->extend('updateProcessEnv', $processEnv);
		return $processEnv;
	}