Remove unnecessary trash from nvidia GPU driver installer

nvidia-driver-remove-crap.ps1

# Remove unnecessary trash from nvidia GPU driver installer
# Modifies the setup.cfg XML file and removes garbage directories as well
# First unpack the installer .exe with 7zip and then run:
#	this_script.ps1 <unpack directory>
# (c) Pekka Järvinen 2018-

param (
    [Parameter(Mandatory=$true)][ValidateScript({Test-Path $_})] [string]$unpackDir
)

function Read-Choice(
   [Parameter(Mandatory)][string]$Message,
   [Parameter(Mandatory)][string[]]$Choices,
   [Parameter(Mandatory)][string]$DefaultChoice,
   [Parameter()][string]$Question='Are you sure you want to proceed?'
) {
    $defaultIndex = $Choices.IndexOf($DefaultChoice)
    if ($defaultIndex -lt 0) {
        throw "$DefaultChoice not found in choices"
    }

    $choiceObj = New-Object Collections.ObjectModel.Collection[Management.Automation.Host.ChoiceDescription]

    foreach($c in $Choices) {
        $choiceObj.Add((New-Object Management.Automation.Host.ChoiceDescription -ArgumentList $c))
    }

    $decision = $Host.UI.PromptForChoice($Message, $Question, $choiceObj, $defaultIndex)
    return $Choices[$decision]
}

$unpackDir = Resolve-Path $unpackDir

Push-Location -Path "$unpackDir"

if (! (Test-Path "setup.cfg.orig")) {
	Copy-Item "setup.cfg" "setup.cfg.orig"
}

if (! (Test-Path "_trash")) {
	New-Item -ItemType directory -Path "_trash"
}

$xpathprefix = "/setup/install/sub-package"

$removeXpath = @(
	"$xpathprefix/properties/bool[@name='IsGFExperienceComponent' and @value='true']/../.."
	"$xpathprefix/dependencies/package[@type='requires' and @package='Display.GFExperience']/../.."
	"$xpathprefix[@name='Display.GFExperience']"
)

[xml]$src = Get-Content "setup.cfg.orig"

$rmdirs = @(
	"nodejs"
	"ShieldWirelessController"
	"Display.NView"
	"Display.Optimus"
	"NV3DVision"
	"NV3DVisionUSB.Driver"
	"NvBackend"
	"NvCamera"
	"GFExperience"
)

foreach ($xp in $removeXpath) {
	$remove = $src.SelectNodes($xp)
	
	foreach ($pkg in $remove) {
		$rmdirs += $pkg.name
		
		foreach ($p in $pkg.SelectNodes("//package[@type='installs']")) {
			$rmdirs += $p.package
		}
	}
	
	$remove | foreach {$_.ParentNode.RemoveChild($_)}
}

foreach ($dir in $rmdirs) {
	if (Test-Path "$dir") {
		Move-Item "$dir" -Destination "_trash"
	}
}

if (! (Test-Path "GFExperience")) {
	New-Item -ItemType directory -Path "GFExperience"
}

Push-Location -Path "_trash"
Push-Location -Path "GFExperience"

$cpFiles = @()

foreach ($f in (Get-ChildItem -File -Recurse -Include "*.htm","*.html","*.txt" -Path .)) {
	$base = Join-Path -Resolve $f.PSDrive.Root $f.PSDrive.CurrentLocation
	$cpFiles += Join-Path . $f.FullName.Remove(0, $base.Length)
}

Pop-Location
Pop-Location

Get-Location

Push-Location -Path "GFExperience"

foreach($f in $cpFiles) {
	$from = [io.path]::GetFullPath("$pwd/../_trash/GFExperience/$f")
	$dest = [io.path]::GetFullPath("$pwd/$f")
	[IO.Directory]::CreateDirectory([IO.Path]::GetDirectoryName($dest))
	Copy-Item $from $dest
}

Pop-Location

Remove-Item -Force -Recurse "_trash"

$src.OuterXml | Out-File -encoding "UTF8" "setup.cfg"

$r = Read-Choice 'Start installer?' '&yes','&no' '&no'

switch($r) { 
	'&yes' { 
		& "$unpackDir/setup.exe" -noeula
	}
	
}

Pop-Location