bug#43747: Spurious Guile warnings when working on a channel

["Ludovic Courtès" <ludo@gnu.org>]

Ludovic Courtès <ludovic.courtes@inria.fr> skribis:

> When someone’s working on a channel, it’s typical to have that channel
> already in your ‘guix’ and to use ‘guix build -L /path/to/checkout PKG’
> to test a package from a working copy of the channel.  Here’s what it
> looks like:
>
> $ cat ~/.config/guix/past-channels.scm 
> (cons (channel
>         (name 'guix-past)
>         (url "https://gitlab.inria.fr/guix-hpc/guix-past")
>         (introduction
>          (make-channel-introduction
>           "0c119db2ea86a389769f4d2b9c6f5c41c027e336"
>           (openpgp-fingerprint
>            "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"))))
>       %default-channels)
> $ guix pull -p /tmp/test -C ~/.config/guix/past-channels.scm
>
> [...]
>
> $ /tmp/test/bin/guix build -L ~/src/guix-past/modules autoconf@2.59 -n
> ;;; note: source file /home/ludo/src/guix-past/modules/past/packages/assembly.scm
> ;;;       newer than compiled /gnu/store/6b0ww9dxvfig7wdxqcyjs0hlw331la4z-guix-past/lib/guile/3.0/site-ccache/past/packages/assembly.go

Fixed in bedcba8f5cb6ab861d5379795fdb3698841c14b9.

Ludo’.