Fix Nix Flake (#50)

* Override correct sway package

* Update README.md

* Remove unnecessary overlay

* Improved shell

README.md

@@ -25,10 +25,11 @@ Sway is an incredible window manager, and certainly one of the most well establi
 
 ### Nix
 
-If you have Nix installed, you can run SwayFX with a single command:
+If you have Nix installed, you can build and run SwayFX easily:
 
 ```
-nix run github:WillPower3309/swayfx
+nix build
+./result/bin/sway
 ```
 
 You can also bring up a development shell and follow the build instructions below, without installing all of the dependencies manually:

flake.nix

@@ -12,6 +12,8 @@
 
   outputs = { self, nixpkgs, flake-compat, ... }:
     let
+      inherit (nixpkgs) lib;
+
       pkgsFor = system:
         import nixpkgs {
           inherit system;
@@ -21,25 +23,21 @@
       targetSystems = [ "aarch64-linux" "x86_64-linux" ];
     in {
       overlays.default = final: prev: {
-        swayfx = prev.sway.overrideAttrs (old: {
-          version = "999-master";
-          src = builtins.path {
-            name = "swayfx";
-            path = prev.lib.cleanSource ./.;
-          };
-        });
+        swayfx-unwrapped = prev.sway-unwrapped.overrideAttrs
+          (old: { src = builtins.path { path = prev.lib.cleanSource ./.; }; });
       };
 
       packages = nixpkgs.lib.genAttrs targetSystems (system:
         let pkgs = pkgsFor system;
         in (self.overlays.default pkgs pkgs) // {
-          default = self.packages.${system}.swayfx;
+          default = self.packages.${system}.swayfx-unwrapped;
         });
 
       devShells = nixpkgs.lib.genAttrs targetSystems (system:
         let pkgs = pkgsFor system;
         in {
           default = pkgs.mkShell {
+            name = "swayfx-shell";
             depsBuildBuild = with pkgs; [ pkg-config ];
 
             nativeBuildInputs = with pkgs; [
@@ -51,37 +49,7 @@
               scdoc
             ];
 
-            buildInputs = with pkgs; [
-              wayland
-              libxkbcommon
-              pcre
-              json_c
-              libevdev
-              pango
-              cairo
-              libinput
-              libcap
-              pam
-              gdk-pixbuf
-              librsvg
-              wayland-protocols
-              libdrm
-              wlroots
-              dbus
-              xwayland
-              libGL
-              pixman
-              xorg.xcbutilwm
-              xorg.libX11
-              libcap
-              xorg.xcbutilimage
-              xorg.xcbutilerrors
-              mesa
-              libpng
-              ffmpeg
-              xorg.xcbutilrenderutil
-              seatd
-            ];
+            inputsFrom = [ self.packages.${system}.swayfx-unwrapped ];
           };
         });
     };