feat: add discord-applemusic-rich-presence

with overlay to use package from PR

overlays/discord-applemusic-rich-presence.nix

@@ -0,0 +1,38 @@
+(
+  _: prev: let
+    rev = "27ea39e67424003fcc79b9ae48c906d4b605b273";
+    hash = "sha256-6+SI8fj7GCykcA2D3wtE3GILfbtJc/pwcWQKkc+Nni8=";
+    vendorHash = "sha256-RFJTBfsfEyKn9OSvE2HLgjKiJC3Hs90+P9rm5GlIseo=";
+  in {
+    discord-applemusic-rich-presence = prev.callPackage ({
+      buildGoModule,
+      fetchFromGitHub,
+      lib,
+      stdenv,
+      ...
+    }:
+      buildGoModule rec {
+        pname = "discord-applemusic-rich-presence";
+        version = "0.5.0-dev.${lib.substring 0 8 rev}";
+
+        src = fetchFromGitHub {
+          owner = "caarlos0";
+          repo = "discord-applemusic-rich-presence";
+          inherit rev;
+          inherit hash;
+        };
+
+        inherit vendorHash;
+
+        ldflags = ["-s" "-w" "-X=main.version=${version}" "-X=main.builtBy=nixpkgs"];
+
+        meta = with lib; {
+          description = "Discord's Rich Presence from Apple Music";
+          homepage = "https://github.com/caarlos0/discord-applemusic-rich-presence";
+          license = licenses.mit;
+          platforms = platforms.darwin;
+          broken = stdenv.isLinux;
+        };
+      }) {};
+  }
+)

overlays/gen-license.nix

@@ -1,24 +0,0 @@
-(_: prev: {
-  gen-license = prev.rustPlatform.buildRustPackage rec {
-    pname = "gen-license";
-    version = "0.1.2";
-
-    src = prev.fetchCrate {
-      inherit pname version;
-      sha256 = "sha256-YZcycLQ436cjr2YTT7TEyMdeLTOl9oEfa5x3lgnnYyo=";
-    };
-
-    cargoLock.lockFile = "${src}/Cargo.lock";
-
-    buildInputs =
-      []
-      ++ prev.lib.optionals prev.stdenv.isDarwin [
-        prev.darwin.apple_sdk_11_0.frameworks.CoreFoundation
-        prev.darwin.apple_sdk_11_0.frameworks.Security
-        prev.darwin.IOKit
-        prev.libiconv
-      ];
-
-    nativeBuildInputs = [prev.pkg-config];
-  };
-})