From a6488246b2302fc2900391dc65ba2dcd84a35e56 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Sat, 7 Aug 2021 11:19:26 +0200
Subject: [PATCH] pokecrystal: init at unstable-2021-07-20

---
 default.nix             |  2 ++
 pokecrystal/default.nix | 31 +++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 pokecrystal/default.nix

diff --git a/default.nix b/default.nix
index 8043a5b..9da8a8e 100644
--- a/default.nix
+++ b/default.nix
@@ -10,6 +10,8 @@ final: prev: {
 
     gold = prev.callPackage ./pokegold { };
 
+    crystal = prev.callPackage ./pokecrystal { };
+
     all = prev.callPackage ./pokeall { };
   };
 }
diff --git a/pokecrystal/default.nix b/pokecrystal/default.nix
new file mode 100644
index 0000000..5cb2d25
--- /dev/null
+++ b/pokecrystal/default.nix
@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, rgbds }:
+
+stdenv.mkDerivation rec {
+  pname = "pokecrystal";
+  version = "unstable-2021-07-20";
+
+  src = fetchFromGitHub {
+    owner = "pret";
+    repo = pname;
+    rev = "d93c13c94c3680bace68ee2333dd81b1efad1734";
+    sha256 = "sha256-x1sVaZVmZP9iX7jkXhh4owGdzcQ8+wwDrV6VkfhtBVk=";
+  };
+
+  nativeBuildInputs = [ rgbds ];
+
+  makeFlags = [ "crystal" "crystal11" ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+    cp pokecrystal{,11}.gbc $out
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "ROM built from disassembly of Pokémon Crystal";
+    homepage = "https://github.com/pret/pokcrystal";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ sbruder ];
+  };
+}