FFU/FFUDevelopment/Create-PEMedia.ps1

param (
    [string]$FFUDevelopmentPath = $PSScriptRoot,
    [string]$adkPath = 'C:\Program Files (x86)\Windows Kits\10\',
    [string]$WindowsArch = 'x64',
    [bool]$CopyPEDrivers = $false,
    [string]$DeployISO = "$PSScriptRoot\WinPE_FFU_Deploy_x64.iso",
    [string]$LogFile = "$PSScriptRoot\Create-PEMedia.log"
)

function WriteLog($LogText) { 
    Add-Content -path $LogFile -value "$((Get-Date).ToString()) $LogText" -Force -ErrorAction SilentlyContinue
    Write-Verbose $LogText
}

function Invoke-Process {
    [CmdletBinding(SupportsShouldProcess)]
    param
    (
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]$FilePath,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [string]$ArgumentList
    )

    $ErrorActionPreference = 'Stop'

    try {
        $stdOutTempFile = "$env:TEMP\$((New-Guid).Guid)"
        $stdErrTempFile = "$env:TEMP\$((New-Guid).Guid)"

        $startProcessParams = @{
            FilePath               = $FilePath
            ArgumentList           = $ArgumentList
            RedirectStandardError  = $stdErrTempFile
            RedirectStandardOutput = $stdOutTempFile
            Wait                   = $true;
            PassThru               = $true;
            NoNewWindow            = $true;
        }
        if ($PSCmdlet.ShouldProcess("Process [$($FilePath)]", "Run with args: [$($ArgumentList)]")) {
            $cmd = Start-Process @startProcessParams
            $cmdOutput = Get-Content -Path $stdOutTempFile -Raw
            $cmdError = Get-Content -Path $stdErrTempFile -Raw
            if ($cmd.ExitCode -ne 0) {
                if ($cmdError) {
                    throw $cmdError.Trim()
                }
                if ($cmdOutput) {
                    throw $cmdOutput.Trim()
                }
            }
            else {
                if ([string]::IsNullOrEmpty($cmdOutput) -eq $false) {
                    WriteLog $cmdOutput
                }
            }
        }
    }
    catch {
        #$PSCmdlet.ThrowTerminatingError($_)
        WriteLog $_
        Write-Host "Script failed - $Logfile for more info"
        throw $_

    }
    finally {
        Remove-Item -Path $stdOutTempFile, $stdErrTempFile -Force -ErrorAction Ignore
		
    }
	
}

function New-PEMedia {
    param ()
    #Need to use the Demployment and Imaging tools environment to create winPE media
    $DandIEnv = "$adkPath`Assessment and Deployment Kit\Deployment Tools\DandISetEnv.bat"
    $WinPEFFUPath = "$FFUDevelopmentPath\WinPE"

    If (Test-path -Path "$WinPEFFUPath") {
        WriteLog "Removing old WinPE path at $WinPEFFUPath"
        Remove-Item -Path "$WinPEFFUPath" -Recurse -Force | out-null
    }

    WriteLog "Copying WinPE files to $WinPEFFUPath"
    if($WindowsArch -eq 'x64') {
        & cmd /c """$DandIEnv"" && copype amd64 $WinPEFFUPath" | Out-Null
    }
    elseif($WindowsArch -eq 'arm64') {
        & cmd /c """$DandIEnv"" && copype arm64 $WinPEFFUPath" | Out-Null
    }
    #Invoke-Process cmd "/c ""$DandIEnv"" && copype amd64 $WinPEFFUPath"
    WriteLog 'Files copied successfully'

    WriteLog 'Mounting WinPE media to add WinPE optional components'
    Mount-WindowsImage -ImagePath "$WinPEFFUPath\media\sources\boot.wim" -Index 1 -Path "$WinPEFFUPath\mount" | Out-Null
    WriteLog 'Mounting complete'

    $Packages = @(
        "WinPE-WMI.cab",
        "en-us\WinPE-WMI_en-us.cab",
        "WinPE-NetFX.cab",
        "en-us\WinPE-NetFX_en-us.cab",
        "WinPE-Scripting.cab",
        "en-us\WinPE-Scripting_en-us.cab",
        "WinPE-PowerShell.cab",
        "en-us\WinPE-PowerShell_en-us.cab",
        "WinPE-StorageWMI.cab",
        "en-us\WinPE-StorageWMI_en-us.cab",
        "WinPE-DismCmdlets.cab",
        "en-us\WinPE-DismCmdlets_en-us.cab"
    )

    if($WindowsArch -eq 'x64'){
        $PackagePathBase = "$adkPath`Assessment and Deployment Kit\Windows Preinstallation Environment\amd64\WinPE_OCs\"
    }
    elseif($WindowsArch -eq 'arm64'){
        $PackagePathBase = "$adkPath`Assessment and Deployment Kit\Windows Preinstallation Environment\arm64\WinPE_OCs\"
    }
    

    foreach ($Package in $Packages) {
        $PackagePath = Join-Path $PackagePathBase $Package
        WriteLog "Adding Package $Package"
        Add-WindowsPackage -Path "$WinPEFFUPath\mount" -PackagePath $PackagePath | Out-Null
        WriteLog "Adding package complete"
    }
    WriteLog "Copying $FFUDevelopmentPath\WinPEDeployFFUFiles\* to WinPE deploy media"
    Copy-Item -Path "$FFUDevelopmentPath\WinPEDeployFFUFiles\*" -Destination "$WinPEFFUPath\mount" -Recurse -Force | Out-Null
    WriteLog 'Copy complete'
    #If $CopyPEDrivers = $true, add drivers to WinPE media using dism
    if ($CopyPEDrivers) {
        WriteLog "Adding drivers to WinPE media"
        try {
            Add-WindowsDriver -Path "$WinPEFFUPath\Mount" -Driver "$FFUDevelopmentPath\PEDrivers" -Recurse -ErrorAction SilentlyContinue | Out-null
        }
        catch {
            WriteLog 'Some drivers failed to be added to the FFU. This can be expected. Continuing.'
        }
        WriteLog "Adding drivers complete"
    }
    $WinPEISOFile = $DeployISO
    WriteLog 'Dismounting WinPE media' 
    Dismount-WindowsImage -Path "$WinPEFFUPath\mount" -Save | Out-Null
    WriteLog 'Dismount complete'
    #Make ISO
    if ($WindowsArch -eq 'x64') {
        $OSCDIMGPath = "$adkPath`Assessment and Deployment Kit\Deployment Tools\amd64\Oscdimg"
    }
    elseif ($WindowsArch -eq 'arm64') {
        $OSCDIMGPath = "$adkPath`Assessment and Deployment Kit\Deployment Tools\arm64\Oscdimg"
    }
    $OSCDIMG = "$OSCDIMGPath\oscdimg.exe"
    WriteLog "Creating WinPE ISO at $WinPEISOFile"
    # & "$OSCDIMG" -m -o -u2 -udfver102 -bootdata:2`#p0,e,b$OSCDIMGPath\etfsboot.com`#pEF,e,b$OSCDIMGPath\Efisys_noprompt.bin $WinPEFFUPath\media $FFUDevelopmentPath\$WinPEISOName | Out-null
    if($WindowsArch -eq 'x64'){
        $OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:2`#p0,e,b`"$OSCDIMGPath\etfsboot.com`"`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
    }
    elseif($WindowsArch -eq 'arm64'){
        $OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:1`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
    }
    Invoke-Process $OSCDIMG $OSCDIMGArgs
    WriteLog "ISO created successfully"
    WriteLog "Cleaning up $WinPEFFUPath"
    Remove-Item -Path "$WinPEFFUPath" -Recurse -Force
    WriteLog 'Cleanup complete'
}
New-PEMedia