using `Get-AppxPackage` when `SYSTEMDRIVE` env var is not set creates a (literal) `%SystemDrive%/…` directory about powershell HOT 7 CLOSED

PS> Get-Command Get-AppxPackage

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Function        Get-AppxPackage                                    1.0        Appx

Given that Get-AppxPackage comes from a module in 'C:\Windows\system32\WindowsPowerShell\v1.0\Modules\Appx' then it seems reasonable that it has expectations of a windows environment. As far as I can tell it is not part of the PowerShell Core project.

since in my shell scripts I sanitise (that is clear) most env vars

Fortunately, you have already identified the root cause.

If you want to have a clean environment without any environment variables that Windows programs depend on, then don't run any Windows programs that depend on those environment variables.

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Maybe that's also something more general. In particular I've just noticed that the same happens with python.

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If you want to have a clean environment without any environment variables that Windows programs depend on, then don't run any Windows programs that depend on those environment variables.

Well, still it's probably not good behaviour if the programs behave odd without any error, when crucial stuff is missing.

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Well, still it's probably not good behaviour if the programs behave odd without any error, when crucial stuff is missing.

You are absolutely right, I would not recommend removing standard windows environment variables that windows apps have a reasonable expectation of being correctly set in order to operate.

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PowerShell itself doesn't have a dependency on $env:SYSTEMDRIVE when using cmdlets in general so this seems to be something internal to the AppX module. That modules is part of Windows and not serviced as part of PowerShell so you'll need to report this via the Windows Feedback tool

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This issue has been marked as external and has not had any activity for 1 day. It has been be closed for housekeeping purposes.

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