PortValhalla/scripts/Common/Scripts/System.ps1

<#
    .SYNOPSIS
    Creates a new temporary directory.
#>
function New-TemporaryDirectory {
    $path = Join-Path ([System.IO.Path]::GetTempPath()) ([System.IO.Path]::GetRandomFileName());
    New-Item -ItemType Directory $path;
}

<#
    .SYNOPSIS
    Checks whether the current user is the setup user.
#>
function Test-SetupUser {
    ($IsWindows ? $env:UserName : $env:USER) -eq (Get-SetupUser);
}