Public/Xpand/Pop-XafPackage.ps1

function Pop-XafPackage {
    [CmdletBinding()]
    [CmdLetTag()]
    param (
        [parameter(Mandatory)]
        [string]$PackageSource,
        [parameter(Mandatory)]
        [version]$Version,
        [string]$OutputFolder=(Get-NugetInstallationFolder GlobalPackagesFolder) 
    )
    
    begin {
        if (!(Test-Path $OutputFolder))        {
            New-Item $OutputFolder -ItemType Directory
        }
        $PSCmdlet|Write-PSCmdletBegin
    }
    
    process {
        $existingPackages=Get-ChildItem $OutputFolder DevExpress*$dxVersion*.nupkg  -Recurse|ConvertTo-PackageObject 
        $m=Get-NugetPackageSearchMetadata -Source $PackageSource | Where-Object{
            $id=$_.Identity.Id
            !("de","es","ja","ru"|Where-Object{ $id -like "*.$_"}) -and $id -notmatch "\.wpf\.|\.xamarinforms\.|\.web\.mvc|\.WindowsDesktop\." 
        }
        $existingMetadata=(($m|ForEach-Object{
            [PSCustomObject]@{
                Id = $_.Identity.Id
                Version=$_.Identity.Version.OriginalVersion
            }
        }))+(($m.dependencySets.packages|Sort-Object Id -Unique|Where-Object{$_.id -notin $m.Identity.id -and $_.id -match "DevExpress"})|ForEach-Object{
            [PSCustomObject]@{
                Id = $_.Id
                Version=$_.versionrange.maxversion.originalversion
            }
        })
        "existingMetadata"|Out-VariableValue

        $missingMetadata=$existingMetadata|ForEach-Object{
            $pVersion=(Get-VersionPart $_.Version Build)
            if ($pVersion -in $Version){
                $p=$_
                if ((!$existingPackages -or !($existingPackages|Where-Object{$_.id -eq $p.id -and  $_.version -eq $pVersion}))){
                    $_
                }
            }
        }
        "missingMetadata"|Out-VariableValue
        if ($missingMetadata){
            $downloadedPackages=$missingMetadata|Invoke-Parallel -ActivityName "Downloading XAF packages" -VariablesToImport @("PackageSource","OutputFolder") -LimitConcurrency ([System.Environment]::ProcessorCount) -Script{
                Get-NugetPackage $_.Id -Source $PackageSource -ResultType DownloadResults -OutputFolder $OutputFolder
            } 
            
            $newPackages=$downloadedPackages.PackageStream.name|Get-Item|ConvertTo-PackageObject
            "newPackages"|Out-VariableValue
            ($newPackages+$allMetadata)|Sort-Object id -Unique
        }
        else {
            $existingMetadata
        }        
    }
    
    end {
        
    }
}