Re: [Bug] setup regression #2

[Achim Gratz <Stromeko@nexgo.de>]

Jon Turney writes:
> On 08/10/2022 17:56, Achim Gratz wrote:
>> I think that setup was essentially treating the install as "for this
>> user only" since it was created and maintained by a script that can't
>> affect that option and the fact it was also in group Adminsitroators
>> didn't actually register until now.
>
> Yeah, that seems possible, since some of these changes fix what are
> arguably bugs in how that works (i.e. I suspect that previously, even
> when elevated, if only the registry key
> HKEY_CURRENT_USER\\Software\\Cygwin\\setup\rootdir exists (and not the
> same key under HKLM), we're going to install for "Just Me",
> irrespective of what the UI says)

I haven't checked that.

>> The DACL on the server install changed from conferring access to "Everyone" to
>> just the install user and SYSTEM IIRC.  It doesn't do that on the
>> (non-domain) build machine at home that runs Win10 Pro.
>
> That makes less sense to me.  We should always creating an entry in
> the DACL for 'Everyone' to hold the POSIX permissions for 'other'
> users.

Well, it wasn't there and whichever way it ended up that way, it was an
inconvenient enough fix that I don'*t want to try it again on a
productive system.

> I wrote some code for this option (attached), but I have a hard time
> seeing how it's functionally different from using '-B/'--no-admin'.
>
> So, I guess a question is, does running with that option work as
> expected in your problematic instance?

I'm not having enough time for checking right now, but I might test this
hypothesis later on.


Regard,
Achim.
-- 
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