silverstripe / deploynaut

                ))

                ->exclude('ID', $dataTransfer->ID);

            if ($runningTransfers->count()) {

                $runningTransfer = $runningTransfers->first();

                $log->write(sprintf(

                    '[-] Error: another transfer is in progress (started at %s by %s)',

                    $runningTransfer->dbObject('Created')->Nice(),

                    $runningTransfer->Author()->Title

                ));

                throw new RuntimeException(sprintf(

                    'Another transfer is in progress (started at %s by %s)',

                    $runningTransfer->dbObject('Created')->Nice(),

                    $runningTransfer->Author()->Title

                ));

            }

            // before we push data to an environment, we'll make a backup first

                ))

                ->exclude('ID', $this->args['deploymentID']);

            if ($runningDeployments->count()) {

                $runningDeployment = $runningDeployments->first();

                $log->write(sprintf(

                    '[-] Error: another deployment is in progress (started at %s by %s)',

                    $runningDeployment->dbObject('Created')->Nice(),

                    $runningDeployment->Deployer()->Title

                ));

                throw new RuntimeException(sprintf(

                    'Another deployment is in progress (started at %s by %s)',

                    $runningDeployment->dbObject('Created')->Nice(),

                    $runningDeployment->Deployer()->Title

                ));

            }

            $DNEnvironment->Backend()->deploy(

                $DNEnvironment,