GenXdev

3.29.2026

Functions/GenXdev.Windows/Update-Environment.ps1

<##############################################################################
Part of PowerShell module : GenXdev.Windows
Original cmdlet filename : Update-Environment.ps1
Original author : René Vaessen / GenXdev
Version : 3.29.2026
################################################################################
Copyright (c) 2026 René Vaessen / GenXdev

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
################################################################################>

<#
.SYNOPSIS
Updates the environment variables in the current session.

.DESCRIPTION
Ensures that the environment variables are up to date in the current session.
#>

function Update-Environment {

    [CmdletBinding()]
    param ()

    [string] $oldPath = "$($Env:PATH)"
    $null = & {
        [System.Environment]::GetEnvironmentVariables([System.EnvironmentVariableTarget]::Machine).GetEnumerator() | Microsoft.PowerShell.Core\ForEach-Object -ErrorAction SilentlyContinue {
            try {
                Microsoft.PowerShell.Utility\Invoke-Expression "`$ENV:$($_.Key) = '$($_.Value.Replace('''', ''''''))'" -ErrorAction SilentlyContinue
            }
            catch {}
        }
        [System.Environment]::GetEnvironmentVariables([System.EnvironmentVariableTarget]::User).GetEnumerator() | Microsoft.PowerShell.Core\ForEach-Object -ErrorAction SilentlyContinue {
            try {
                Microsoft.PowerShell.Utility\Invoke-Expression "`$ENV:$($_.Key) = '$($_.Value.Replace('''', ''''''))'" -ErrorAction SilentlyContinue
            }
            catch {}
        }
    } 1> $null 2>$null 3> $null 4> $null

    [string] $NewPath = "$($Env:PATH)"

    $Env:PATH = @(
        @(
            $NewPath.Split([System.IO.Path]::PathSeparator, [StringSplitOptions]::RemoveEmptyEntries) +
            $oldPath.Split([System.IO.Path]::PathSeparator, [StringSplitOptions]::RemoveEmptyEntries)
        ) |
            Microsoft.PowerShell.Core\ForEach-Object { GenXdev\Expand-Path "$_\" } |
            Microsoft.PowerShell.Utility\Select-Object -Unique
    ) -join [System.IO.Path]::PathSeparator
}