Make buildable comet package.

home-manager/home.nix

@@ -85,7 +85,9 @@
     # pcsx2 # Playstation 2 emulator
     # ppsspp-sdl-wayland # Playstation portable emulator
     (callPackage ./modules/scripts.nix { inherit pkgs; }) # My scripts
-    # (callPackage ./modules/comet-gog.nix { inherit pkgs; }) # Comet for gog achievements
+    (callPackage ./modules/comet-gog.nix {
+      inherit pkgs;
+    }) # Comet for gog achievements
   ];
 
   # Environmental variables I can't live without

home-manager/modules/comet-gog.nix

@@ -12,9 +12,8 @@ rustPlatform.buildRustPackage rec {
     fetchSubmodules = true;
   };
 
-  PROTOC = "${protobuf}/bin/protoc";
-  PROTOC_INCLUDE = "${protobuf}/include";
   nativeBuildInputs = [ protobuf ];
+  patches = [ ./patches/comet.patch ];
 
   cargoLock.lockFile = src + /Cargo.lock;
 }

home-manager/modules/patches/comet.patch

@@ -0,0 +1,12 @@
+diff --git a/build.rs b/build.rs
+index f6a0904..6252aec 100644
+--- a/build.rs
++++ b/build.rs
+@@ -3,7 +3,6 @@ use protobuf_codegen::Codegen;
+ fn main() {
+     Codegen::new()
+         .protoc()
+-        .protoc_path(&protoc_bin_vendored::protoc_bin_path().unwrap())
+         .includes(["proto"])
+         .input("proto/gog.protocols.pb.proto")
+         .input("proto/galaxy.protocols.webbroker_service.proto")