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Subject: [bug#36692] test failures
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From: Marius Bakke <mbakke@fastmail.com>
In-Reply-To: <1A10CE34-C9D6-4ECD-AA58-C7681043EBEF@vllmrt.net>
References: <20190716154734.22605-1-rob@vllmrt.net>
 <1A10CE34-C9D6-4ECD-AA58-C7681043EBEF@vllmrt.net>
Date: Tue, 16 Jul 2019 18:28:25 +0200
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To: Robert Vollmert <rob@vllmrt.net>, 36692@debbugs.gnu.org

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Robert Vollmert <rob@vllmrt.net> writes:

> I was able to run both tests from the build directory in /tmp,
> and they both passed fine. Also they both involve user ids, I
> suspect those might differ in the build container?
>
> main =3D do
>     void $ forkIO $ forever $ getGroupEntryForID 0
>     void $ forkIO $ forever $ getGroupEntryForID 0
>     threadDelay (3*1000*1000)
>
> main =3D do
>     root <- getUserEntryForName "root"
>     putStrLn (ue2String root)
>     root' <- getUserEntryForID (userID root)
>     putStrLn (ue2String root')
>     if homeDirectory root =3D=3D homeDirectory root' &&
>        userShell     root =3D=3D userShell     root'
>         then putStrLn "OK"
>         else putStrLn =E2=80=9CMismatch"

The only reliable user ID available in the build container is 'nobody'
with UID and GID 65534 and the (see nix/libstore/build.cc:1862).

You can likely patch these tests to refer to that instead.

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