{ system ? builtins.currentSystem , nixpkgs ? (builtins.getFlake (builtins.toString ../.)).inputs.nixpkgs }: import nixpkgs { inherit system; config = { allowUnfree = true; }; overlays = [ (import ./overlays/ghc.nix) (import ./overlays/msodbcsql18.nix) (import ./overlays/graphql-parser.nix) (import ./overlays/resource-pool.nix) (import ./overlays/dc-api.nix) (import ./overlays/pg-client-hs.nix) (import ./overlays/aeson-ordered.nix) ]; }