Functions/Public/Update-PowerShell.ps1
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#!/usr/bin/env pwsh <# .SYNOPSIS This will both Install the latest release of PowerShell or update your current PowerShell. .DESCRIPTION This one-liner is provided by [Tyler Leonhardt](https://github.com/TylerLeonhardt). I have added some parameters to help customize the install of the .MSI .PARAMETER Preview Specifying this switch will install the latest preview version of PowerShell. Otherwise this will install / update the latest stable release. .PARAMETER Quiet Specifying this switch will install or update quietly with no gui popup, taking all defaults of the install. You need to run as admin to use this switch. .EXAMPLE PS> Update-Powershell -Preview Description ----------- This will update or install PowerShell with the latest Preview release. .EXAMPLE PS> Update-Powershell -Quiet Description ----------- This will update or install the latest General Release version of PowerShell. .NOTES Author: Matthew J. DeGarmo Handle: @matthewjdegarmo #> function Update-Powershell() { [CmdletBinding()] param( [switch] $Preview, [switch] $Quiet ) if ($PSBoundParameters.ContainsKey('Preview')) { $PreviewOption = '-Preview' } if ($PSBoundParameters.ContainsKey('Quiet')) { $QuietOption = '-Quiet' } Invoke-Expression -Command "& {$(Invoke-RestMethod https://aka.ms/install-powershell.ps1)} -UseMSI $PreviewOption $QuietOption" } |