flake reorg

nix/package.nix

@@ -0,0 +1,31 @@
+{
+  rustPlatform,
+  lib,
+  openssl,
+  pkg-config,
+}: let
+  inherit (lib.sources) sourceByRegex;
+  inherit (builtins) fromTOML readFile;
+  src = sourceByRegex ../. ["Cargo.*" "(src)(/.*)?"];
+  cargoPackage = (fromTOML (readFile ../Cargo.toml)).package;
+in
+  rustPlatform.buildRustPackage {
+    pname = cargoPackage.name;
+    inherit (cargoPackage) version;
+
+    inherit src;
+
+    buildInputs = [
+      openssl
+    ];
+
+    nativeBuildInputs = [
+      pkg-config
+    ];
+
+    cargoLock = {
+      lockFile = ../Cargo.lock;
+    };
+
+    meta.mainProgram = "demostf-backup";
+  }