doesn't compile? unknown OS???

[IGNRexI]

PS C:\Users\Admin\Documents\GitHub\cso2-launcher> ./ci/setup.ps1

Running setup script... Current setup build combo is: C:\Users\Admin\Documents\GitHub\cso2-launcher\ci\setup.ps1 : An unknown OS is running this script, implement me. At line:1 char:1

• ./ci/setup.ps1

• 
  + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
  + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,setup.ps1
  ?_??

[IGNRexI]

@L-Leite