add: nix files for building and developing with nix(os)

default.nix

@@ -0,0 +1,7 @@
+(import (
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
+    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
+) {
+  src =  ./.;
+}).defaultNix

flake.nix

@@ -0,0 +1,59 @@
+{
+  inputs.nixpgks.url = "github:NixOS/nixpkgs";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils, ... }@inputs:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        inherit (nixpkgs) lib;
+        pkgs = nixpkgs.legacyPackages.${system};
+        buildTools = [ pkgs.cmake pkgs.ninja pkgs.gcc ];
+        dependencies = [ pkgs.ncurses pkgs.openssl pkgs.jansson ];
+        runTests = false;
+      in rec {
+        packages = {
+          libdict = pkgs.stdenv.mkDerivation {
+            pname = "libdict";
+            version = "1.0.1";
+
+            src = pkgs.fetchFromGitHub {
+              owner = "rtbrick";
+              repo = "libdict";
+              rev = "fea9fb240cfa08dc3bbfe425fb78466dbbf1aa56";
+              sha256 = "rnAvurPnmILMAB3Ingjw0lRJB6lcjdmUtPO6R3ek6e4=";
+            };
+
+            cmakeFlags = [
+              "-DCMAKE_BUILD_TYPE=Release"
+              "-DLIBDICT_STATIC=YES"
+              "-DLIBDICT_TOOLS=NO"
+              "-DLIBDICT_TESTS=NO"
+              "-DLIBDICT_SHARED=YES"
+            ];
+
+            doCheck = false;
+
+            checkInputs = [ pkgs.cunit ];
+            nativeBuildInputs = buildTools;
+
+          };
+          bngblaster = pkgs.stdenv.mkDerivation {
+            pname = "bngblaster";
+            version = "0.52";
+            src = lib.cleanSource ./.;
+
+            cmakeFlags = [ "-DCMAKE_BUILD_TYPE=Release" ];
+
+            nativeBuildInputs = buildTools;
+            buildInputs = dependencies ++ [ packages.libdict ];
+          };
+        };
+        devShell = pkgs.mkShell {
+          buildInputs = dependencies
+            ++ [ packages.libdict pkgs.bashInteractive ];
+        };
+        defaultPackage = packages.bngblaster;
+        apps.bngblaster = flake-utils.lib.mkApp { drv = packages.bngblaster; };
+        defaultApp = apps.bngblaster;
+      });
+}

shell.nix

@@ -0,0 +1,7 @@
+(import (
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
+    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
+) {
+  src =  ./.;
+}).shellNix