David Craven <[email protected]> skribis:

> So for future reference, to hack on a haskell package these are the steps:
>
> guix environment haskell-package --ad-hoc cabal-install
> unset GHC_PACKAGE_PATH
> export GUIX_LD_WRAPPER_ALLOW_IMPURITIES=y
> cabal update
> cabal sandbox init
> cabal install --only-dependencies --enable-tests
> cabal build

Thanks for sharing!

Ludo’.

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