On Wed, 7 Jul 2021, at 05:26, John Kehayias via Bug reports for GNU Guix wrote:
> Actually, this does exist in the Haskell build system in Guix, but
> seems to be undocumented and not used by the importer. You can add the
> following to the arguments (in the bootstrap package in this case) to
> use a metadata revision:
>
> #:cabal-revision ("2" "0a6j3313vz7n7dn8abddyib4jggblaq89f87ib4imdwjxjajbm33")
>
> The hash is from running guix hash file (where file = 2.cabal in this
> case, downloaded from Hackage). This should be part of the importer, to
> specify a revision or by default grab the latest, I would say.
>
> (and I'm guessing you know this is packaged in guix as
> integer-logarithms, without the "ghc-" prefix for some reason; not the
> only package like that I've noticed)
>
Ah yes, good catch! I agree that the fix should be to amend the importer, such
that it finds out about these revisions and automatically uses the latest one.
