{ pkgs, pkgs-stable, ... }: { devShells = { default = pkgs.mkShell { packages = builtins.attrValues { inherit (pkgs) age just nil nixd sops ssh-to-age nixfmt-rfc-style dhall dhall-json dhall-lsp-server helix-gpt libz ngrep stripe-cli vscode-langservers-extracted zlib ; inherit (pkgs-stable.elmPackages) elm elm-format elm-land elm-language-server elm-review elm-test ; inherit (pkgs.haskellPackages) nixfmt ; }; }; }; }