flake.nix

{
  description = "Average flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    crane.url = "github:ipetkov/crane";
    fenix.url = "github:nix-community/fenix";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    flake-utils,
    fenix,
    nixpkgs,
    ...
  } @ inputs:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};
      crane = inputs.crane.mkLib pkgs;

      toolchain = with fenix.packages.${system};
        combine [
          minimal.rustc
          minimal.cargo
          complete.rustfmt
          complete.clippy
        ];

      craneLib = crane.overrideToolchain toolchain;
    in {
      formatter = pkgs.alejandra;
      devShells.default = craneLib.devShell {
        packages = with pkgs; [ toolchain openssl pkg-config ];

	nativeBuildInputs = [ pkgs.pkg-config ];
      };
    });
}