Setup-Chocolatey.ps1
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param ( [Parameter(Mandatory=$false)] [ValidateSet("Test","Install","Uninstall")] [String]$Mode = "Test" ) function Install-Chocolatey { [CmdletBinding()] Param ( ) Process { # https://chocolatey.org/install Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')) } } function Uninstall-Chocolatey { [CmdletBinding()] param ( ) Process { if (!$env:ChocolateyInstall) { Write-Warning "The ChocolateyInstall environment variable was not found. `n Chocolatey is not detected as installed. Nothing to do" return } if (!(Test-Path "$env:ChocolateyInstall")) { Write-Warning "Chocolatey installation not detected at '$env:ChocolateyInstall'. `n Nothing to do." return } $userPath = [Microsoft.Win32.Registry]::CurrentUser.OpenSubKey('Environment').GetValue('PATH', '', [Microsoft.Win32.RegistryValueOptions]::DoNotExpandEnvironmentNames).ToString() $machinePath = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey('SYSTEM\CurrentControlSet\Control\Session Manager\Environment\').GetValue('PATH', '', [Microsoft.Win32.RegistryValueOptions]::DoNotExpandEnvironmentNames).ToString() @" User PATH: $userPath Machine PATH: $machinePath "@ | Out-File "C:\PATH_backups_ChocolateyUninstall.txt" -Encoding UTF8 -Force if ($userPath -like "*$env:ChocolateyInstall*") { Write-Output "Chocolatey Install location found in User Path. Removing..." # WARNING: This could cause issues after reboot where nothing is # found if something goes wrong. In that case, look at the backed up # files for PATH. [System.Text.RegularExpressions.Regex]::Replace($userPath, [System.Text.RegularExpressions.Regex]::Escape("$env:ChocolateyInstall\bin") + '(?>;)?', '', [System.Text.RegularExpressions.RegexOptions]::IgnoreCase) | %{[System.Environment]::SetEnvironmentVariable('PATH', $_.Replace(";;",";"), 'User')} } if ($machinePath -like "*$env:ChocolateyInstall*") { Write-Output "Chocolatey Install location found in Machine Path. Removing..." # WARNING: This could cause issues after reboot where nothing is # found if something goes wrong. In that case, look at the backed up # files for PATH. [System.Text.RegularExpressions.Regex]::Replace($machinePath, [System.Text.RegularExpressions.Regex]::Escape("$env:ChocolateyInstall\bin") + '(?>;)?', '', [System.Text.RegularExpressions.RegexOptions]::IgnoreCase) | %{[System.Environment]::SetEnvironmentVariable('PATH', $_.Replace(";;",";"), 'Machine')} } # Adapt for any services running in subfolders of ChocolateyInstall $agentService = Get-Service -Name chocolatey-agent -ErrorAction SilentlyContinue if ($agentService -and $agentService.Status -eq 'Running') { $agentService.Stop() } # TODO: add other services here # delete the contents (remove -WhatIf to actually remove) Remove-Item -Recurse -Force "$env:ChocolateyInstall" [System.Environment]::SetEnvironmentVariable("ChocolateyInstall", $null, 'User') [System.Environment]::SetEnvironmentVariable("ChocolateyInstall", $null, 'Machine') [System.Environment]::SetEnvironmentVariable("ChocolateyLastPathUpdate", $null, 'User') [System.Environment]::SetEnvironmentVariable("ChocolateyLastPathUpdate", $null, 'Machine') } } function Test-Chocolatey { [CmdletBinding()] param ( ) Process { if (-not (Test-Path "$env:ALLUSERSPROFILE\Chocolatey\bin\choco.exe")) { return } else { Write-Verbose "The Chocolatey Executable variable was found." return $true } <#if (!$env:ChocolateyInstall) { #Write-Warning "The ChocolateyInstall environment variable was not found. `n Chocolatey is not detected as installed." # return null because of ConfigMgr Detection Rule Logic return $null } else { Write-Verbose "The ChocolateyInstall environment variable was found." return $true }#> } } switch ($Mode) { "Test" { Test-Chocolatey } "Install" { Install-Chocolatey } "Uninstall" { Uninstall-Chocolatey } } |