# This file defines two overlays and composes them { inputs, ... }: let # This one brings our custom packages from the 'pkgs' directory additions = final: _prev: import ../pkgs { pkgs = final; inputs = inputs; }; # This one contains whatever you want to overlay # You can change versions, add patches, set compilation flags, anything really. # https://nixos.wiki/wiki/Overlays modifications = final: prev: { # example = prev.example.overrideAttrs (oldAttrs: rec { # ... # }); }; in inputs.nixpkgs.lib.composeManyExtensions [ additions modifications ]