helpers.ps1
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Function Uninstall-Helpers { choco uninstall git uninstall-Chocolatey #TODO: also remove tempdir } Function Install-Chocolatey { $ChocoPath="C:\ProgramData\chocolatey" if(Test-Path $ChocoPath){ Remove-Item $ChocoPath -Force -Recurse } [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; Invoke-Expression ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1')) RefreshEnv.cmd Import-Module $env:ChocolateyInstall\helpers\chocolateyProfile.psm1 RefreshEnv.cmd choco feature enable -n=allowGlobalConfirmation } Function Set-Dword{ param( [Parameter(Mandatory=$true)] [String] $Path, [Parameter(Mandatory=$true)] [String] $Name, [Parameter(Mandatory=$true)] [int] $Value ) New-ItemProperty -Path $Path -Name $Name -PropertyType DWORD -Value $Value -Force } function New-TemporaryDirectory { $parent = [System.IO.Path]::GetTempPath() $name = [System.IO.Path]::GetRandomFileName() New-Item -ItemType Directory -Path (Join-Path $parent $name) } Function Uninstall-Program($Program) { (Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -eq "$Program" }).uninstall() } Function Remove-TaskbarPin { #TODO: doesn't seem to work on windows11 param( [String]$AppName ) ((New-Object -Com Shell.Application).NameSpace('shell:::{4234d49b-0245-4df3-b780-3893943456e1}').Items() | ? { $_.Name -eq $appname }).Verbs() | ? { $_.Name.replace('&', '') -match 'Unpin from taskbar' } | % { $_.DoIt(); $exec = $true } } Function Wait-Keypress{ #maybe: check if powershell is running interactively #maybe: specify key to wait for? Write-Host "Press any key to continue..." $x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown") $x | out-null } Function Uninstall-Chocolatey { <# .SYNOPSIS Uninstall Chocolatey BECAUSE it shouldn't be to be too easy to install software #> $VerbosePreference = 'Continue' if (-not $env:ChocolateyInstall) { $message = @( "The ChocolateyInstall environment variable was not found." "Chocolatey is not detected as installed. Nothing to do." ) -join "`n" Write-Warning $message return } if (-not (Test-Path $env:ChocolateyInstall)) { $message = @( "No Chocolatey installation detected at '$env:ChocolateyInstall'." "Nothing to do." ) -join "`n" Write-Warning $message return } <# Using the .NET registry calls is necessary here in order to preserve environment variables embedded in PATH values; Powershell's registry provider doesn't provide a method of preserving variable references, and we don't want to accidentally overwrite them with absolute path values. Where the registry allows us to see "%SystemRoot%" in a PATH entry, PowerShell's registry provider only sees "C:\Windows", for example. #> $userKey = [Microsoft.Win32.Registry]::CurrentUser.OpenSubKey('Environment', $true) $userPath = $userKey.GetValue('PATH', [string]::Empty, 'DoNotExpandEnvironmentNames').ToString() $machineKey = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey('SYSTEM\ControlSet001\Control\Session Manager\Environment\', $true) $machinePath = $machineKey.GetValue('PATH', [string]::Empty, 'DoNotExpandEnvironmentNames').ToString() $backupPATHs = @( "User PATH: $userPath" "Machine PATH: $machinePath" ) $backupFile = "C:\PATH_backups_ChocolateyUninstall.txt" $backupPATHs | Set-Content -Path $backupFile -Encoding UTF8 -Force $warningMessage = @" This could cause issues after reboot where nothing is found if something goes wrong. In that case, look at the backup file for the original PATH values in '$backupFile'. "@ if ($userPath -like "*$env:ChocolateyInstall*") { Write-Verbose "Chocolatey Install location found in User Path. Removing..." Write-Warning $warningMessage $newUserPATH = @( $userPath -split [System.IO.Path]::PathSeparator | Where-Object { $_ -and $_ -ne "$env:ChocolateyInstall\bin" } ) -join [System.IO.Path]::PathSeparator # NEVER use [Environment]::SetEnvironmentVariable() for PATH values; see https://github.com/dotnet/corefx/issues/36449 # This issue exists in ALL released versions of .NET and .NET Core as of 12/19/2019 $userKey.SetValue('PATH', $newUserPATH, 'ExpandString') } if ($machinePath -like "*$env:ChocolateyInstall*") { Write-Verbose "Chocolatey Install location found in Machine Path. Removing..." Write-Warning $warningMessage $newMachinePATH = @( $machinePath -split [System.IO.Path]::PathSeparator | Where-Object { $_ -and $_ -ne "$env:ChocolateyInstall\bin" } ) -join [System.IO.Path]::PathSeparator # NEVER use [Environment]::SetEnvironmentVariable() for PATH values; see https://github.com/dotnet/corefx/issues/36449 # This issue exists in ALL released versions of .NET and .NET Core as of 12/19/2019 $machineKey.SetValue('PATH', $newMachinePATH, 'ExpandString') } # 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 Remove-Item -Path $env:ChocolateyInstall -Recurse -Force -WhatIf 'ChocolateyInstall', 'ChocolateyLastPathUpdate' | ForEach-Object { foreach ($scope in 'User', 'Machine') { [Environment]::SetEnvironmentVariable($_, [string]::Empty, $scope) } } $machineKey.Close() $userKey.Close() } function Restart-Explorer { Stop-Process -Name Explorer } Function Get-ClearText($SecureString) { $bstr = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecureString) $value = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($bstr) [Runtime.InteropServices.Marshal]::ZeroFreeBSTR($bstr) # free up the unmanged memory afterwards (thank to dimizuno) return $value } Function Read-Password() { param( [Parameter()] [switch]$NoRepeat, [Parameter()] [String]$Prompt = "Password" #[Parameter()] #[switch]$MinLength=0 #todo: implement ) $First = "a" $Second = "b" # if prompt doesn't end with : add one if ($prompt[-1] -ne ":") { $prompt = "${Prompt}:" } if ($NoRepeat) { $First = Get-ClearText(Read-Host -Assecurestring -prompt "$prompt") } else { while ($first -ne $second) { $First = Get-ClearText(Read-Host -Assecurestring -prompt "$prompt") $Second = Get-ClearText(Read-Host -Assecurestring -prompt "Repeat $prompt") if ($first -eq $second) { break } Write-Error "Inputs do not match" } } return $first } function Add-ActiveSetupComponent{ [CmdletBinding()] param ( [Parameter()] [String] $DisplayName, [Parameter(Mandatory=$True)] [String] $Id, [Parameter()] [String] $Locale, [Parameter(Mandatory=$True)] [String] $Script, [Parameter()] [String] $Version, [Parameter()] [String] [ValidateSet($null,"First","Last")] $Position = $null ) switch ($Position) { $null { $PositionChar="" } "First" { $PositionChar="<" } "Last" { $PositionChar=">" } Default {$PositionChar=""} } $BasePath="HKLM:\Software\Microsoft\Active Setup\Installed Components" $RegPath= Join-Path $BasePath ("$PositionChar"+"$Id") New-Item -Path $RegPath New-ItemProperty -Path $RegPath -name "(default)" -value $DisplayName -Force if($Locale){ New-ItemProperty -Path $RegPath -Name "Locale" -value "de" } New-ItemProperty -Path $RegPath -Name "StubPath" -value "powershell.exe -WindowStyle Hidden -NonInteractive -Command Set-ExecutionPolicy Bypass -Scope Process; $script" -Force if($Version){ New-ItemProperty -Path $RegPath -Name "Version" -value $Version -Force } } function Disable-ActiveSetupComponent{ param ( [Parameter(Mandatory=$True)] [String] $Id ) #todo: also try <$id and >$id $BasePath="HKLM:\Software\Microsoft\Active Setup\Installed Components" $RegPath= Join-Path $BasePath $Id New-ItemProperty -Path $RegPath -Name IsInstalled -value 0 -Force } function Enable-ActiveSetupComponent{ param ( [Parameter(Mandatory=$True)] [String] $Id ) #todo: also try <$id and >$id $BasePath="HKLM:\Software\Microsoft\Active Setup\Installed Components" $RegPath= Join-Path $BasePath $Id New-ItemProperty -Path $RegPath -Name IsInstalled -value 1 -Force } Function Approve-ScriptExecution{ $ExecutionPolicy = Get-ExecutionPolicy -Scope Process if($ExecutionPolicy -eq "RemoteSigned" -or $ExecutionPolicy -eq "Unrestricted" -or $ExecutionPolicy -eq "Bypass") { Write-Host "ScriptExecution is already allowed ($ExecutionPolicy)" } else { Write-Host "ExecutionPolicy is $ExecutionPolicy, changing to RemoteSigned" Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process } } Function Select-Command{ param( [Parameter(Mandatory=$True,ValueFromPipeline=$True,ValueFromPipelineByPropertyName=$True)] [ScriptBlock] $ScriptBlock ) # extract the command from the scriptblock try{ $Command = $ScriptBlock.ToString().Split(" ")[0] }catch{ Write-Error "Could not extract command from scriptblock" } # check if the command is available if(Get-Command $Command -ErrorAction SilentlyContinue){ return $Command }else{ Write-Error "Command $Command not found" } } Function Test-Elevation{ Write-Verbose "Checking for elevated permissions..." if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(` [Security.Principal.WindowsBuiltInRole] "Administrator")) { Write-Warning "Insufficient permissions to run this script. Open the PowerShell console as an administrator and run this script again." Return $false } else { Write-Verbose "Code is running as administrator — go on executing the script..." Return $true } } |