From beb7e02f1143539c14ce4385befc8cd20730143e Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Wed, 10 Jul 2024 03:42:46 +0000
Subject: [PATCH] packages/cynthion: Build bitstreams

---
 packages/cynthion/default.nix | 120 +++++++++++++++++++++++-----------
 1 file changed, 81 insertions(+), 39 deletions(-)

diff --git a/packages/cynthion/default.nix b/packages/cynthion/default.nix
index 54cf486..604bfe5 100644
--- a/packages/cynthion/default.nix
+++ b/packages/cynthion/default.nix
@@ -1,4 +1,12 @@
-{ fetchFromGitHub, python3 }:
+{
+  fetchFromGitHub,
+  python3,
+  zsh,
+  stdenv,
+  yosys,
+  nextpnr,
+  trellis,
+}:
 
 let
   pyfwup = python3.pkgs.buildPythonPackage rec {
@@ -174,42 +182,76 @@ let
     rev = version;
     hash = "sha256-eLimS2gghT52tV01ZlFs8xEwwibB4yezl3eW7zrHpW8=";
   };
+  cynthion = python3.pkgs.buildPythonApplication {
+    pname = "cynthion";
+    inherit version src;
+
+    sourceRoot = "${src.name}/cynthion/python";
+
+    postPatch = ''
+      substituteInPlace pyproject.toml \
+        --replace-fail '"setuptools-git-versioning<2"' "" \
+        --replace-fail 'dynamic = ["version"]' 'version = "${version}"'
+    '';
+
+    postInstall = ''
+      install -D assets/54-cynthion.rules $out/lib/udev/rules.d/54-cynthion.rules
+    '';
+
+    pyproject = true;
+    nativeBuildInputs = with python3.pkgs; [ setuptools ];
+    propagatedBuildInputs =
+      [
+        amaranth
+        apollo-fpga
+        pyfwup
+        pygreat
+        luna-usb
+        luna-soc
+      ]
+      ++ (with python3.pkgs; [
+        future
+        libusb1
+        prompt-toolkit
+        pyserial
+        pyusb
+        tabulate
+        tomli
+        tqdm
+      ]);
+  };
+  cynthion-bitstreams = stdenv.mkDerivation rec {
+    pname = "cynthion-bistreams";
+    inherit version src;
+
+    sourceRoot = "${src.name}/cynthion/python";
+    postPatch = ''
+      substituteInPlace Makefile --replace-fail '/bin/zsh' '${zsh}/bin/zsh'
+      rm -r assets
+      mkdir assets
+    '';
+
+    nativeBuildInputs = [
+      python3
+      cynthion
+      yosys
+      nextpnr
+      trellis
+    ];
+
+    buildPhase = ''
+      make bitstreams
+    '';
+
+    installPhase = ''
+      mv assets $out
+    '';
+  };
 in
-python3.pkgs.buildPythonApplication {
-  pname = "cynthion";
-  inherit version src;
-
-  sourceRoot = "${src.name}/cynthion/python";
-
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail '"setuptools-git-versioning<2"' "" \
-      --replace-fail 'dynamic = ["version"]' 'version = "${version}"'
-  '';
-
-  postInstall = ''
-    install -D assets/54-cynthion.rules $out/lib/udev/rules.d/54-cynthion.rules
-  '';
-
-  pyproject = true;
-  nativeBuildInputs = with python3.pkgs; [ setuptools ];
-  propagatedBuildInputs =
-    [
-      amaranth
-      apollo-fpga
-      pyfwup
-      pygreat
-      luna-usb
-      luna-soc
-    ]
-    ++ (with python3.pkgs; [
-      future
-      libusb1
-      prompt-toolkit
-      pyserial
-      pyusb
-      tabulate
-      tomli
-      tqdm
-    ]);
-}
+cynthion.overrideAttrs (attrs: {
+  postPatch =
+    attrs.postPatch
+    + ''
+      ln -s ${cynthion-bitstreams}/* assets
+    '';
+})