[bug#55892] [PATCH] pull: Fail if cache directory ownership is suspect.

[Maxime Devos <maximedevos@telenet.be>]

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Tobias Geerinckx-Rice via Guix-patches via schreef op zo 05-06-2022 om
02:04 [+0200]:
> Hi Guix,
> 
> Another one in the ‘low-level support noise paper-cut’ series.
> The XXX comment would not land upstream, I think.
> 
> I didn't test this on a foreign distribution.  My understanding is
> that distributions where sudo already defaults to ‘-i’ won't throw
> the warning nor suffer from the problem.
> 
> Kind regards,
> 
> T G-R
> 

Concept looks sounds to me!
Nitpick:

+               (let ((our:user (passwd:name (getpwuid our:uid)))
+                     (dir:user (passwd:name (getpwuid dir:uid))))

what if the current user does not have an entry in /etc/passwd or
equivalent?  (E.g. if the user accidentally removed an entry in
/etc/passwd on a foreign system and then runs "guix pull" & "guix shell
THE_EDITOR" to get their favourite editor to edit /etc/passwd back?)

Maybe in that case, it should be reported as NNNN (NNNN = user number)?
Or would that be simply considered unsupported?

Greetings,
Maxime.

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