init

flake.nix

@@ -0,0 +1,31 @@
+{
+  description = "a flake indeed";
+
+  inputs = {
+    nixpkgs.url     = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... } @ inputs:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        packages.default = pkgs.stdenv.mkDerivation {
+          pname   = "nested ratchet fm";
+          src     = ./.;
+        };
+
+        devShells.default = pkgs.mkShellNoCC rec {
+          buildInputs = with pkgs; [
+            proverif
+            verifpal
+          ];
+
+          shellHook = ''
+            echo "Switching to the nested ratchet formal methods dev environment ... :D"
+          '';
+        };
+      }
+    );
+}