gistfile1.ps1

properties {
    $buildFolder = Resolve-Path .. 
    $revision = "100500"
    $buildNumber = "15"
}

task Package -depends Init, Upt, Zip

task Init {
  # Copy Sitecore DLL's, etc.
}

task Upt {
  # Create UPT package
}

task Zip {
  # Zip the results
}