initial python packaging and nix flake

finalize/flake.nix

@@ -0,0 +1,31 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    devkitNix.url = "github:bandithedoge/devkitNix";
+    devkitNix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, devkitNix }: let
+    pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ devkitNix.overlays.default ]; };
+  in {
+    devShells.x86_64-linux = rec {
+      custom-install-finalize = pkgs.mkShell.override { stdenv = pkgs.devkitNix.stdenvARM; } {};
+      cif = custom-install-finalize;
+    };
+
+    packages.x86_64-linux = rec {
+      custom-install-finalize = pkgs.devkitNix.stdenvARM.mkDerivation rec {
+        name = "custom-install-finalize";
+        src = builtins.path { path = ./.; name = name; };
+
+        makeFlags = [ "TARGET=${name}" ];
+
+        installPhase = ''
+          mkdir $out
+          cp ${name}.3dsx $out
+        '';
+      };
+      cif = custom-install-finalize;
+    };
+  };
+}