bug#36777: Guix Inferiors: Curious incorrect derivation output bug

[Carl Dong]

Hi all,

I did some more digging, and have included a git-bisect log, the -info-dir.drv,
and -info-dir-builder here:

https://gist.github.com/dongcarl/0a305badf20c9b5cfae738147ca416af

Please let me know if I can provide more information.

Cheers,
Carl Dong
address@hidden
"I fight for the users"

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, July 26, 2019 7:50 AM, Ludovic Courtès <address@hidden> wrote:

> Hello Carl,
>
> Carl Dong address@hidden skribis:
>
> > I have my manifest.scm here:
> > https://github.com/dongcarl/bitcoin/blob/2019-06-guix-channels-and-inferiors/contrib/guix/manifest.scm,
> > and it references the aforementioned Guix channel.
>
> This one appears to work for me (I interrupted it before it was done
> compiling all the toolchains, though.)
>
> > What I expect to happen is that now when I change my default profile's Guix
> > version by 'guix pull'ing, it won't affect the environment that's generated 
> > by
> > the manifest.scm. I've tested this with differing versions of Guix as my 
> > default
> > profile, and this seems to work with 
> > 7304d5623ab5cc35289cb1535cbd0d8a37691fac
> > and 7f1c69f5d32bee6b8b6b902a9ce445e04aa9d07d being my default profile. 
> > However,
> > I tried an older version b6dc08393e6a8313b88ce422fc3c1e4e9c0efc6f, and got 
> > the
> > following error:
>
> When I put b6dc08393e6a8313b88ce422fc3c1e4e9c0efc6f in .guix-channel and
> use that as my channel, it also works fine (well, I commented out the
> toolchains as well.)
>
> >     guix environment: error: derivation 
> > `/gnu/store/r641vpqc9rfjhljf7rzfzwmkmpa642ls-info-dir.drv' has incorrect 
> > output `/gnu/store/q9hkdidycz3wq28xxgjq47bzx5s39k52-info-dir', should be 
> > `/gnu/store/z5hh2nl0h58b9f6hdxfwm00gjyxfcc3n-info-dir'
> >
>
> That definitely looks like a bug.
>
> Could you send the faulty info-dir.drv file?
>
> Thanks,
> Ludo’.