Maxime Devos <maximedevos@telenet.be> writes:

[…]

>> Replace '#!/usr/bin/env bash' with '#!/bin/bash'
>> 
>> Maybe a /bin/sh would be more Guix friendly, but shellcheck warns about
>> export -f does not exist in posix shell.  Thoughts are welcome ;-)
>
> /bin/bash doesn't exist on Guix System, so it seems a bit weird to me
> to use that in Guix.  Anyway, I think shellcheck should classify
> '#!/usr/bin/env bash' as a bash shell instead of a posix shell?

Yes, also /usr/bin/env does not exist on Guix as well.  So in that sense
both /bin/bash and /usr/bin/env bash are equal.

I see special-files-service-type has an example about creating
/usr/bin/env, so probable should use /usr/bin/env bash in test's
shebang line to make shellcheck happy.