add wrapped package to flake

flake.nix

@@ -5,11 +5,32 @@
     pkgs = import nixpkgs {
       system = "x86_64-linux";
     };
-  in {
-    devShells.x86_64-linux.default = pkgs.mkShell {
+    buildDeps = {
       buildInputs = with pkgs; [ ffmpeg openssl ];
       nativeBuildInputs = with pkgs; [ rustc cargo pkgconfig clang ];
       LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
     };
+    pname = "screencap-bot";
+    version = "0.1";
+  in rec {
+    packages.x86_64-linux."${pname}-unwrapped" = pkgs.rustPlatform.buildRustPackage ({
+      inherit pname version;
+      src = ./.;
+      cargoLock.lockFile = ./Cargo.lock;
+    } // buildDeps);
+
+    packages.x86_64-linux.${pname} = pkgs.symlinkJoin {
+      name = "${pname}-${version}";
+      paths = [ packages.x86_64-linux."${pname}-unwrapped" ];
+      buildInputs = [ pkgs.makeWrapper ];
+      postBuild = ''
+        wrapProgram $out/bin/${pname} \
+          --prefix PATH : ${pkgs.ffmpeg}/bin
+      '';
+    };
+
+    packages.x86_64-linux.default = packages.x86_64-linux.${pname};
+
+    devShells.x86_64-linux.default = pkgs.mkShell buildDeps;
   };
 }