AppendPsModulePath.ps1
# Copyright 2015-2016 Google Inc. All Rights Reserved. # Licensed under the Apache License Version 2.0. # # Appends the Cloud Tools for PowerShell module location to the registry's PSModulePath environment # variable param($installPath) # Let a user manually select a Cloud SDK install path $installPath = $installPath -or $args[0] # Find the Google Cloud SDK install path from the registry. if (-not $installPath) { $hklmPath = "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Google Cloud SDK" $hkcuPath = "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Google Cloud SDK" if (Test-Path $hklmPath) { $installPath = Get-ItemPropertyValue $hklmPath InstallLocation } elseif (Test-Path $hkcuPath) { $installPath = Get-ItemPropertyValue $hkcuPath InstallLocation } else { Write-Error "Can not find Cloud SDK from the registry." return } } $installPath = $installPath -replace '"' # Registry values had quotes for some reason # The folder above where the PowerShell cmdlets are installed. PowerShell will crawl subfolders # looking for .psd1 files. (So it should find .\GoogleCloud\GoogleCloud.psd1.) $googlePowerShellPath = Join-Path $installPath "google-cloud-sdk\platform\PowerShell" if (-not (Test-Path $googlePowerShellPath)) { Write-Error "Can not find Google PowerShell. $googlePowerShellPath does not exist." return } # Get the value of the two registry keys that initialize the environment variable. $hklmLocation = "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" $hklmValue = (Get-ItemProperty $hklmLocation).PSModulePath $hkcuLocation = "HKCU:\Environment" $hkcuValue = (Get-ItemProperty $hkcuLocation).PSModulePath $regValue = (($hklmValue, $hkcuValue | ?{$_}) -join ";") if(($regValue -split ";" -contains $googlePowerShellPath)) { Write-Warning "Path already exists." return } $wid = [Security.Principal.WindowsIdentity]::GetCurrent() $wip = New-Object Security.Principal.WindowsPrincipal $wid $isElevated = $wip.IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator) if ($isElevated -and (Test-Path $hklmPath)) { # If we are running as administrator, and the Cloud SDK is installed for all users, # append to the PSModluePath in the local machine registry location. Write-Verbose "Adding to registry key for all users." Push-Location $hklmLocation # Don't add a semicolon if $hklmValue is $null Set-ItemProperty . PSModulePath (($hklmValue, $googlePowerShellPath | ?{$_}) -join ";") } else { # If we are running as a local user, or Cloud SDK is installed for just the current user, # append to the PSModluePath in the current user registry location. Write-Verbose "Adding to registry key for user $env:UserName." Push-Location $hkcuLocation # Don't add a semicolon if $hkcuValue is $null Set-ItemProperty . PSModulePath (($hkcuValue, $googlePowerShellPath | ?{$_}) -join ";") } Write-Output (Get-ItemProperty . 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