GNU bug report logs - #36692
[PATCH 0/2] Add GHC 8.6.5

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Message #17 received at 36692 <at> debbugs.gnu.org (full text, mbox):

From: Marius Bakke <mbakke <at> fastmail.com>
To: Robert Vollmert <rob <at> vllmrt.net>, 36692 <at> debbugs.gnu.org
Subject: Re: [bug#36692] test failures
Date: Tue, 16 Jul 2019 18:28:25 +0200

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Robert Vollmert <rob <at> 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 = do
>     void $ forkIO $ forever $ getGroupEntryForID 0
>     void $ forkIO $ forever $ getGroupEntryForID 0
>     threadDelay (3*1000*1000)
>
> main = do
>     root <- getUserEntryForName "root"
>     putStrLn (ue2String root)
>     root' <- getUserEntryForID (userID root)
>     putStrLn (ue2String root')
>     if homeDirectory root == homeDirectory root' &&
>        userShell     root == userShell     root'
>         then putStrLn "OK"
>         else putStrLn “Mismatch"

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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