bug#64360: error: ghc-onetuple: unbound variable

[Csepp]

Ludovic Courtès <ludo@gnu.org> writes:

> Hi,
> n
> Csepp <raingloom@riseup.net> skribis:
>
>> Ludovic Courtès <ludo@gnu.org> writes:
>>
>>> Hi,
>>>
>>> Csepp <raingloom@riseup.net> skribis:
>>>
>>>> I **finally** managed to finish a guix pull on my netbook by offloading
>>>> it to my desktop machine, and I tried to build the latest yt-dlp, this
>>>> is the error I got:
>>>>
>>>> ```
>>>> $ guix shell yt-dlp
>
> [...]
>
>>>> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
>>>> error: ghc-onetuple: unbound variable
>>>> ```
>>>
>>> Could you share the output of ‘guix describe’?
>
> [...]
>
>> I'm not on that machine right now, but this is the guix time-machine
>> invocation that I tried to reproduce it with:
>>
>> guix time-machine --system=i686-linux \
>> --commit=e499cb2c12d7f1c6d2f004364c9cc7bdb7e38cd5 \
>> --channels=$HOME/channels.scm -- time-machine --commit=63660f0febb \
>> --channels=$HOME/channels.scm --system=i686-linux -- repl
>
> That’s quite different from the ‘guix shell yt-dlp’ we started with
> though.  :-)
>
> Also, it very much depends on what ‘channels.scm’ contains.  ‘guix
> time-machine’ does not support ‘--system’, but on x86_64-linux I get:
>
> --8<---------------cut here---------------start------------->8---
> $ guix time-machine --commit=63660f0febb -- shell yt-dlp -- yt-dlp --version
> 2023.06.22
> --8<---------------cut here---------------end--------------->8---
>
> I ran out of disk space (and out of time :-)) while running:
>
>   guix time-machine --commit=63660f0febb -- shell \
>     --rebuild-cache -s i686-linux yt-dlp -- yt-dlp --version
>
> Anyway, it could be a problem with a channel other than ‘guix’, we can’t
> tell so far.  Please let us know when you have the output of ‘guix
> describe’ on that machine.
>
> Ludo’.

I have no channels configured other than the default one using
channel-with-substitutes-available, because it's a netbook we're talking
about.
On the x86_64 machine I was not using channel-with-substitues-available.