Nix tricks

README.md

Some tricks for managing packages with Nix

config.nix

# Save this file to ~/.config/nixpkgs/config.nix to allow packages with Business Software License.
{ pkgs }:
with pkgs;
{
  allowlistedLicenses = with lib.licenses; [ bsl11 ];
  # You may also use allowUnfreePredicate to allow specified pacakges, check
  # https://nixos.org/manual/nixpkgs/stable/#sec-allow-unfree
}

packages.nix

# use nix-env -irf packages.nix to install packages
let
  priorityOverlay = self: super: {
    linuxPackages = super.linuxPackages // { bcc = super.lowPrio super.linuxPackages.bcc; };
  };
  packageList =
    pkgs:
      with pkgs;
      {
        inherit nix cacert curl;
         bcc = linuxPackages.bcc;
         bpftrace = linuxPackages.bpftrace;
      };
in
{}: packageList (import <nixpkgs> { overlays = [ priorityOverlay ]; })