flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    bashcov.url = "github:infertux/bashcov";
    bashcov.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = { self, nixpkgs, bashcov }:
    let
      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
    in {
      devShells = forAllSystems (system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
          bashcovPkg = bashcov.packages.${system}.bashcov.overrideAttrs (old: {
            doCheck = false;
          });
        in {
          default = pkgs.mkShell {
            buildInputs = [
              pkgs.bashInteractive
              pkgs.shunit2
              pkgs.elixir
              bashcovPkg
            ];
            shellHook = ''
              export BASHCOV_BASH_PATH="${pkgs.bashInteractive}/bin/bash"
            '';
          };
        });
    };
}