Update-PowerShellGet

1.0

Update-PowerShellGet.ps1

                                
<#PSScriptInfo

.VERSION 1.0

.GUID b1c6267a-96ba-408d-84bd-5a106a9dd745

.AUTHOR Jason Thompson

.COMPANYNAME Microsoft Corporation

.COPYRIGHT (c) 2021 Jason Thompson. All rights reserved.

.TAGS Microsoft Windows PowerShell PSEdition_Desktop Windows

.LICENSEURI https://raw.githubusercontent.com/jasoth/Scripts.PS/main/LICENSE

.PROJECTURI https://github.com/jasoth/Scripts.PS

.ICONURI

.EXTERNALMODULEDEPENDENCIES

.REQUIREDSCRIPTS

.EXTERNALSCRIPTDEPENDENCIES

.RELEASENOTES

.PRIVATEDATA

#>

<# 

.SYNOPSIS

    Update PowerShellGet Module

.DESCRIPTION 

    Update PowerShellGet Module on Windows PowerShell

.EXAMPLE

    PS C:\>Update-PowerShellGet.ps1

    Update PowerShellGet

#> 

#region Supporting Functions

<#

.SYNOPSIS

    Test if current PowerShell process is elevated to local administrator privileges.

.DESCRIPTION

    Test if current PowerShell process is elevated to local administrator privileges.

.EXAMPLE

    PS C:\>Test-PsProcessElevated

    Test is current PowerShell process is elevated.

.LINK

    https://github.com/jasoth/Utility.PS

#>

function Test-PsProcessElevated {

    [CmdletBinding()]

    [OutputType([bool])]

    param()

    $WindowsIdentity = [System.Security.Principal.WindowsIdentity]::GetCurrent()

    $WindowsPrincipal = New-Object 'System.Security.Principal.WindowsPrincipal' $WindowsIdentity

    $LocalAdministrator = [System.Security.Principal.WindowsBuiltInRole]::Administrator

    return $WindowsPrincipal.IsInRole($LocalAdministrator)

}

#endregion

if ($PSVersionTable.PSEdition -eq 'Desktop') {

    ## Force TLS 1.2 on old versions

    if ($PSVersionTable.PSVersion -lt [version]'5.1.17763.0') {

        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

    }

    ## Allow Scripts in current process

    Set-ExecutionPolicy RemoteSigned -Scope Process

    ## Update Nuget Package and PowerShellGet Module

    if (Test-PsProcessElevated) {

        Install-PackageProvider NuGet -Scope AllUsers -Force

        Install-Module PowerShellGet -Scope AllUsers -Force -AllowClobber

    }

    else {

        Install-PackageProvider NuGet -Scope CurrentUser -Force

        Install-Module PowerShellGet -Scope CurrentUser -Force -AllowClobber

    }

    ## Remove old modules from existing session

    Remove-Module PowerShellGet,PackageManagement -Force -ErrorAction Ignore

    ## Import updated module

    Import-Module PowerShellGet -MinimumVersion 2.0 -Force

    Import-PackageProvider PowerShellGet -MinimumVersion 2.0 -Force

}

else {

    Write-Warning 'This command is intended to update PowerShellGet on Windows PowerShell (<=v5.1) and does not do anything on PowerShell v6.0 and later.'

}

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# SIG # End signature block