add obs-studio overlay

exprs/lunar-client.nix

@@ -1,40 +0,0 @@
-{
-  appimageTools,
-  fetchurl,
-  lib,
-  makeWrapper,
-}: let
-  pname = "lunar-client";
-  version = "3.2.0";
-
-  src = fetchurl {
-    url = "https://launcherupdates.lunarclientcdn.com/Lunar%20Client-${version}.AppImage";
-    hash = "sha256-Y9SjcVQ+7tmX6vKdYuD4JtTDJNmMKliEN5Yl41/WJjs=";
-  };
-
-  appimageContents = appimageTools.extract {inherit pname version src;};
-in
-  appimageTools.wrapType2 rec {
-    inherit pname version src;
-
-    extraInstallCommands = ''
-      mv $out/bin/{${pname}-${version},${pname}}
-      source "${makeWrapper}/nix-support/setup-hook"
-      wrapProgram $out/bin/${pname} \
-        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}"
-      install -Dm444 ${appimageContents}/launcher.desktop $out/share/applications/lunar-client.desktop
-      install -Dm444 ${appimageContents}/launcher.png $out/share/pixmaps/lunar-client.png
-      substituteInPlace $out/share/applications/lunar-client.desktop \
-        --replace 'Exec=AppRun --no-sandbox %U' 'Exec=lunar-client' \
-        --replace 'Icon=launcher' 'Icon=lunar-client'
-    '';
-
-    meta = with lib; {
-      description = "Free Minecraft client with mods, cosmetics, and performance boost.";
-      homepage = "https://www.lunarclient.com/";
-      license = with licenses; [mit]; # colon 3
-      mainProgram = "lunar-client";
-      maintainers = with maintainers; [zyansheep Technical27 surfaceflinger];
-      platforms = ["x86_64-linux"];
-    };
-  }

exprs/overlay.nix

@@ -7,5 +7,7 @@ final: prev: {
     meta.knownVulnerabilities = []; # NixOS/nixpkgs#273611
   });
 
-  lunar-client = prev.callPackage ./lunar-client.nix {};
+  obs-studio = prev.obs-studio.overrideAttrs (old: {
+    cmakeFlags = old.cmakeFlags ++ [(prev.lib.cmakeBool "ENABLE_LIBFDK" true)]; # NixOS/nixpkgs#278127
+  });
 }

systems/desktop.nix

@@ -136,7 +136,6 @@ in {
       gnome.gnome-calculator
       jetbrains.idea-ultimate
       libreoffice-fresh
-      lunar-client
       mate.eom
       mold
       mpv