feat(haskell): ghc-with-packages

modules/home/users/crumb/haskell.nix

@@ -1,67 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-let
-  cfg = config.sydnix.users.crumb.haskell;
-in {
-  options.sydnix.users.crumb.haskell.enable =
-    lib.mkEnableOption "Haskell, à la crumb";
-
-  config = lib.mkIf cfg.enable {
-    # Convenient shorthand for quickly opening Haskell REPLs.
-    programs.bash.profileExtra = ''
-      # Start a GHCi REPL with the given packages made available.
-      ghci-with-packages () {
-        packages=""
-        while getopts 'p:h' opt; do
-          case "$opt" in
-            p)
-              packages="''${OPTARG}"
-              ;;
-            ?|h)
-              echo >&2 "Usage: $(basename $0) [-p packages] [-- ghci-options]"
-              exit 1
-              ;;
-          esac
-        done
-        shift "$(($OPTIND -1))"
-
-        nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [ $packages ])" \
-          --run "ghci $@"
-      }
-      export -f ghci-with-packages
-
-      # Run GHC with the given packages made available.
-      ghc-with-packages () {
-        packages=""
-        while getopts 'p:h' opt; do
-          case "$opt" in
-            p)
-              packages="''${OPTARG}"
-              ;;
-            ?|h)
-              echo >&2 "Usage: $(basename $0) [-p packages] [-- ghc-options]"
-              exit 1
-              ;;
-          esac
-        done
-        shift "$(($OPTIND -1))"
-
-        nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [ $packages ])" \
-          --run "ghc $@"
-      }
-      export -f ghc-with-packages
-    '';
-
-    sydnix.impermanence.cache.directories =
-      let xdg-cache-dir =
-            config.home.cacheHome
-              or "${config.home.homeDirectory}/.cache";
-      in [
-        # We don't want to rebuild Hackage simply due to a reboot, do we?  }:)
-        (lib.removePrefix "${config.home.homeDirectory}/"
-          "${xdg-cache-dir}/cabal")
-        ".stack"
-      ];
-  };
-}
-