Save-PowerShellCore.ps1
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<# .SYNOPSIS Download PowerShell Core Asset #> function Save-PowerShellCore { [CmdletBinding(SupportsShouldProcess, DefaultParameterSetName = 'Default')] param ( [Parameter(ParameterSetName = 'Default')] [Switch]$Latest, [Parameter(ParameterSetName = 'Version')] [SemVer]$Version, [Parameter(ParameterSetName = 'Default', Mandatory = $true)] [Parameter(ParameterSetName = 'Version', Mandatory = $true)] [AssetArchtectures[]]$AssetType, [Parameter(ParameterSetName = 'Default', Mandatory = $true)] [Parameter(ParameterSetName = 'Version', Mandatory = $true)] [string]$OutDirectory, [Parameter(ParameterSetName = 'Default')] [Parameter(ParameterSetName = 'Version')] [string]$Token ) if (@($AssetType).Length -eq 1) { if ($AssetType[0] -eq [AssetArchtectures]::Unknown) { Write-Error 'Invalid AssetType.' return } } else { if ($AssetType -contains [AssetArchtectures]::Unknown) { Write-Error 'Invalid AssetType included.' return } } # find release $release = $null switch ($PSCmdlet.ParameterSetName) { 'Version' { $release = Find-PowerShellCore -MinimamVersion $Version -Token $Token | Where-Object { $_.Version -eq $Version } } Default { $release = Find-PowerShellCore -Latest -Token $Token } } if ($null -eq $release) { Write-Warning 'No release found.' return } WriteInfo ('Start download PowerShell Core {0} ...' -f $release.Version) # download foreach ($at in $AssetType) { $downloadUrl = ($release.Assets | Where-Object { $_.Architecture() -eq $at }).DownloadUrl.OriginalString if ($downloadUrl -eq '') { Write-Error 'asset not found.' return } $outFile = Join-Path $OutDirectory $downloadURL.split("/")[-1] WriteInfo ('Download {0}' -f $downloadURL) WriteInfo (' To {0} ...' -f $outFile) if ($PSCmdlet.ShouldProcess('Download file')) { if ([string]::IsNullOrEmpty($Token)) { Invoke-WebRequest -Uri $downloadUrl -OutFile $outFile } else { Invoke-WebRequest -Uri $downloadUrl -OutFile $outFile -Headers @{Authorization = "token $Token"} } } else { Write-Warning 'Skip downloaging the file.' } } } |