Explicitly Setting $whatif = $false Prevents Module Installation

Prerequisites

Write a descriptive title.
Make sure you are able to repro it on the latest released version
Search the existing issues.

Steps to reproduce

When using PowerShell 7.5 with Microsoft.PowerShell.PSResourceGet (version 1.1.1), explicitly setting $whatif to $false prevents the module from being installed
Example:
$whatif=$false
Install-PSResource -Name Microsoft.Entra -WhatIf:$whatif -Scope AllUsers

PowerShell 5.1 Behavior – Module Installs as Expected
Install-Module -Name Microsoft.Entra -WhatIf:$whatif -Scope AllUsers -AllowClobber

Expected behavior

The Module should be installed.

Actual behavior

The module is not getting installed

Error details

No error message generated

Environment data

Name                           Value
----                           -----
PSVersion                      7.5.0
PSEdition                      Core
GitCommitId                    7.5.0
OS                             Microsoft Windows 10.0.26100
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0ÔÇª}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Visuals

This is the same problem with other cmdlets that was reported in PowerShell/PowerShell#25015. The logic for testing switch parameters is not correct.

The problem is here:

PSResourceGet/src/code/InstallHelper.cs

Line 675 in 89ca445

if (_cmdletPassedIn.MyInvocation.BoundParameters.ContainsKey("WhatIf"))

Besides testing for the parameter set or if the parameter exists, it should also test the value of the parameter.

This is also ignored:

Register-PSResourceRepository -PSGallery:$false

I can create a separate issue for this if desired. Or perhaps this current issue can be repurposed to address all instances of the problem in PSResourceGet.

I think the current issue is enough. They need to look at all SwitchParamter instances.

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Explicitly Setting $whatif = $false Prevents Module Installation #1805

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Explicitly Setting $whatif = $false Prevents Module Installation #1805

Description

Prerequisites

Steps to reproduce

Expected behavior

Actual behavior

Error details

Environment data

Visuals

Activity

sdwheeler commented on Mar 21, 2025

sdwheeler commented on Mar 21, 2025

surfingoldelephant commented on Mar 26, 2025

sdwheeler commented on Mar 26, 2025

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