{ pkgs ? ( let inherit (builtins) fetchTree fromJSON readFile; in import (fetchTree (fromJSON (readFile ./flake.lock)).nodes.nixpkgs.locked) { overlays = [ (import ./overlay.nix) ]; } ) }: pkgs.mkShell { NIX_PATH = "nixpkgs=${builtins.toString pkgs.path}"; buildInputs = [ pkgs.nixpkgs-fmt pkgs.gomod2nix.go pkgs.gomod2nix pkgs.golangci-lint ]; }