Public/Dell.Client.Update/Private/Invoke-DellDownload.ps1
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function Invoke-DellDownload { [CmdletBinding()] param( [Parameter(Mandatory)][uri]$Source, [Parameter(Mandatory)][string]$Destination, [uri]$Proxy, [pscredential]$ProxyCredential, [switch]$ProxyUseDefaultCredentials, [switch]$ShowProgress ) Remove-Item -LiteralPath $Destination -Force -ErrorAction SilentlyContinue $bitsParameters = @{ Source = $Source.AbsoluteUri Destination = $Destination TransferType = 'Download' Priority = 'Foreground' ErrorAction = 'Stop' } if ($Proxy) { $bitsParameters.ProxyUsage = 'Override' $bitsParameters.ProxyList = @($Proxy) } if ($ProxyCredential -and -not $ProxyUseDefaultCredentials) { $bitsParameters.ProxyCredential = $ProxyCredential } if (-not $ShowProgress) { Start-BitsTransfer @bitsParameters return } $job = Start-BitsTransfer @bitsParameters -Asynchronous $activity = "Downloading $([IO.Path]::GetFileName($Destination))" try { do { $job = Get-BitsTransfer -JobId $job.JobId -ErrorAction Stop $percent = if ($job.BytesTotal -gt 0) { [int][math]::Min(100, (100 * $job.BytesTransferred / $job.BytesTotal)) } else { 0 } $status = if ($job.BytesTotal -gt 0) { '{0:N1} of {1:N1} MB' -f ($job.BytesTransferred / 1MB), ($job.BytesTotal / 1MB) } else { 'Connecting...' } Write-Progress -Activity $activity -Status $status -PercentComplete $percent if ($job.JobState -in @('Transferred', 'Error', 'Cancelled')) { break } [Threading.Thread]::Sleep(250) } while ($true) if ($job.JobState -ne 'Transferred') { throw "Download failed ($($job.JobState)): $($job.ErrorDescription)" } Complete-BitsTransfer -BitsJob $job -ErrorAction Stop $job = $null } finally { Write-Progress -Activity $activity -Completed if ($job) { Remove-BitsTransfer -BitsJob $job -ErrorAction SilentlyContinue } } } |