- powershell: |
  [Reflection.Assembly]::LoadWithPartialName("System.Xml.Linq")
  $fileShare = "\\filesharestorageccount.file.core.windows.net\myfileshare\"
  $localFilePath =
    "$(System.DefaultWorkingDirectory)\_MsixDesktopApp\drop\MsixDesktopApp.appinstaller"
  $doc = [System.Xml.Linq.XDocument]::Load("$localFilePath")
  $doc.Root.Attribute("Uri").Value = [string]::Format('{0}{1}', $fileShare,
    'MsixDesktopApp.appinstaller')
  $xName =
    [System.Xml.Linq.XName]"{http://schemas.microsoft.com/appx/appinstaller/2018}MainPackage"
  $doc.Root.Element($xName).Attribute("Uri").Value = [string]::Format('{0}{1}',
    $fileShare, 'MsixDesktopApp.appx')
  $doc.Save("$localFilePath")
displayName: 'Modify URIs in App Installer File'