# generate nix expression from cabal file, replacing the version with the commit date
echo'# This file defines cabal2nix-latest, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.' > pkgs/development/haskell-modules/cabal2nix-latest.nix
echo'# This file defines cabal2nix-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.' > pkgs/development/haskell-modules/cabal2nix-unstable.nix