Functions/Register-SystemPath.ps1
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# Copyright (c) 2017, the WebKit for Windows project authors. Please see the # AUTHORS file for details. All rights reserved. Use of this source code is # governed by a BSD-style license that can be found in the LICENSE file. <# .Synopsis Registers a path on the host system. .Description Adds a path to the host system. This can be used when a developer dependency does not contain a Windows installer. .Parameter Path The path to add. .Example # Add ninja Register-Path -Path C:\ninja #> Function Register-SystemPath { Param( [Parameter(Mandatory)] [string] $path, [Parameter()] [switch] $prepend = $false ) if (!([System.IO.Path]::IsPathRooted($path))) { Write-Error 'All system path values need to be absolute'; return; } Write-Host ('Adding {0} to the system path' -f $path); # Get current path from the registry $systemPathKey = 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment'; $systemPath = (Get-ItemProperty -Path $systemPathKey -Name PATH).Path; Write-Debug ('Current path {0}' -f $systemPath); # See if the path is currently present if ($systemPath.Contains($path)) { Write-Debug ('Path {0} already present ignoring' -f $path); return; } # Create and store new path in the registry if ($prepend) { $updatedPath = ('{0};{1}' -f $path, $systemPath); } else { $updatedPath = ('{0};{1}' -f $systemPath, $path); } Write-Debug ('Updating path to {0}' -f $updatedPath); Set-ItemProperty -Path $systemPathKey -Name PATH -Value $updatedPath; # Update script's environment Update-ScriptPath; } |