On Wed, 19 Dec 2018 15:59:22 +0100
Ludovic Courtès <ludo@gnu.org> wrote:

> Hi Eric,
> 
> Eric Bavier <ericbavier@centurylink.net> skribis:
> 
> >> commit cce654fabdf09cac7d18f9bad842ba8445aa022c
> >> Author: Julien Lepiller <address@hidden>
> >> Date:   Mon Dec 17 21:05:35 2018 +0100
> >> 
> >>     import: Update opam importer.
> >>     
> >>     * guix/import/opam.scm: Update importer for opam 2.
> >>     * tests/opam.scm: Update tests for the opam 2 importer.  
> 
> [...]
> 
> > This commit breaks Guix compatibility with Guile 2.0:
> >
> >   $ guix build -K --with-commit=guile2.0-guix=cce654fabf guile2.0-guix  
> 
> [...]
> 
> >    ?: 0 [scm-error misc-error #f "~A ~S" ("no code for module" (ice-9 peg)) #f]  
> 
> As discussed earlier, I’ll propose soon (like real soon!) a patch to
> remove support for 2.0.  In that spirit, I think we can leave it as is.

That's fine with me.

> Besides, I’m glad you thought about using ‘--with-commit’ for this use
> case.  :-)

It's very useful indeed!

`~Eric