Hi Benno, > I just assumed that since I had two versions of hashable with > different cabal hashes installed, that one of them was a GHC core > package.
oh, that doesn't sound good. There should be only one version of hashable active per compiler version, really. > 1. Install a package depending on hashable. > 2. Update nixpkgs. The new nixpkgs contains a hashable with a different > cabal hash because hydra rebuilt hashable. > 3. Now install another package depending on hashable. I now have two > incompatible hashable versions. Have you tried running "nix-env -u \* --always" to update the package from (1) to the new hashable version? Best regards, Peter _______________________________________________ nix-dev mailing list [email protected] http://lists.science.uu.nl/mailman/listinfo/nix-dev
