feat(spotifyd): get credentials from librespot-auth

devices/homie/modules/music/default.nix

@@ -61,7 +61,7 @@
         device_name = config.networking.hostName;
         device_type = "speaker";
 
-        zeroconf_port = 33797;
+        zeroconf_port = 33798;
         cache_path = cacheDir;
         username_cmd = "${lib.getExe pkgs.jq} -r .username ${cacheDir}/credentials.json";
 

overlays/misc/default.nix

@@ -3,4 +3,10 @@ final: prev: {
     withCUDA = true;
     withCuDNN = true;
   };
+
+  # FIXME: remove this if https://github.com/NixOS/nixpkgs/pull/342913 is merged
+  spotifyd = prev.spotifyd.override {
+    withMpris = false;
+    withKeyring = false;
+  };
 }

packages/default.nix

@@ -14,6 +14,8 @@
     inherit (inputs) libratbag-src;
   };
 
+  librespot-auth = pkgs.callPackage ./librespot-auth {};
+
   pam-fprint-grosshack = pkgs.callPackage ./pam-fprint-grosshack {
     inherit (inputs) pam-fprint-grosshack-src;
   };

packages/librespot-auth/default.nix

@@ -0,0 +1,43 @@
+{
+  lib,
+  fetchFromGitHub,
+  makeWrapper,
+  openssl,
+  pkg-config,
+  rustPlatform,
+  ...
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "librespot-auth";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "dspearson";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-IbbArRSKpnljhZSgL0b3EjVzKWN7bk6t0Bv7TkYr8FI=";
+  };
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "librespot-core-0.5.0-dev" = "sha256-7HrA1hWEy5lliwgJ9amJy+Kd8lB50b3q2niaFWWwcYE=";
+    };
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    makeWrapper
+  ];
+
+  buildInputs = [
+    openssl
+  ];
+
+  meta = with lib; {
+    description = "A simple program for populating a credentials.json via Spotify's zeroconf authentication.";
+    mainProgram = pname;
+    homepage = "https://github.com/dspearson/librespot-auth";
+    license = with licenses; [isc];
+  };
+}