From 2ba4dab67233446b904cc491e476e58a4a21c2cf Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Sat, 7 Aug 2021 15:07:31 +0200
Subject: [PATCH] pokefirered: init at unstable-2021-08-01

---
 default.nix             |  3 +++
 pokefirered/default.nix | 46 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 pokefirered/default.nix

diff --git a/default.nix b/default.nix
index f279e0f..1cde119 100644
--- a/default.nix
+++ b/default.nix
@@ -21,6 +21,9 @@ final: prev: {
     ruby-de = prev.callPackage ./pokeruby { german = true; }; # german version
     ruby-de-modern = prev.callPackage ./pokeruby { german = true; modern = true; };
 
+    firered = prev.callPackage ./pokefirered { };
+    firered-modern = prev.callPackage ./pokefirered { modern = true; };
+
     all = prev.callPackage ./pokeall { };
   };
 }
diff --git a/pokefirered/default.nix b/pokefirered/default.nix
new file mode 100644
index 0000000..c760c68
--- /dev/null
+++ b/pokefirered/default.nix
@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, gcc-arm-embedded, libpng, agbcc, modern ? false, roms ? null }:
+let
+  roms' =
+    if roms == null
+    then [ "firered" "firered_rev1" "leafgreen" "leafgreen_rev1" ]
+    else roms;
+in
+stdenv.mkDerivation rec {
+  pname = "pokefirered${lib.optionalString modern "-modern"}";
+  version = "unstable-2021-08-01";
+
+  src = fetchFromGitHub {
+    owner = "pret";
+    repo = "pokefirered";
+    rev = "feb54289376a5fafb49f4a1ac35e7b07c79bcd2c";
+    sha256 = "sha256-3uXq8a50b/DwdMBbXTX3G3YBFcWnar9hxSadPEnMIsA=";
+  };
+
+  nativeBuildInputs = [ gcc-arm-embedded ];
+  buildInputs = [ libpng ];
+
+  postPatch = ''
+    ln -s ${agbcc}/tools/agbcc tools/
+  '';
+
+  makeFlags = [
+    "TOOLCHAIN=${gcc-arm-embedded}"
+    "MODERN=${if modern then "1" else "0"}"
+  ] ++ roms';
+
+  enableParallelBuilding = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+    cp poke{${lib.concatStringsSep "," roms'}}${lib.optionalString modern "_modern"}.gba $out
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "ROM built from disassembly of Pokémon FireRed/LeafGreen";
+    homepage = "https://github.com/pret/pokeemerald";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ sbruder ];
+  };
+}