2 files changed, 33 insertions(+), 4 deletions(-)

A Tuprules.tup
M shell.nix

@@ 0,0 1,1 @@
+NIM = $(DIRENV) $(NIM)

@@ 1,5 1,33 @@
 let
-  syndicate = builtins.getFlake "syndicate";
-  pkgs =
-    import <nixpkgs> { overlays = builtins.attrValues syndicate.overlays; };
-in pkgs.nimPackages.noiseprotocol
+  pkgs = import <nixpkgs> { };
+  noise-c = with pkgs;
+    stdenv.mkDerivation rec {
+      pname = "noise-c";
+      version = "20230309";
+      outputs = [ "bin" "out" ];
+      src = fetchFromGitHub {
+        owner = "rweather";
+        repo = pname;
+        rev = "ffa626bddd1f8182e47c634af686108ca5049e56";
+        hash = "sha256-HkcyV/WT4UNFWczbZZIDW2fWRliQb8IEykv2d7bZM7w=";
+      };
+
+      nativeBuildInputs = [ autoreconfHook ];
+
+      # excise protobuf bloat
+      prePatch = ''
+        substituteInPlace tools/Makefile.am \
+          --replace 'SUBDIRS = keytool protoc' 'SUBDIRS = keytool'
+      '';
+
+      meta = src.meta // {
+        description = "Plain C implementation of the Noise Protocol";
+        license = lib.licenses.mit;
+        maintainers = with lib.maintainers; [ ehmry ];
+      };
+    };
+
+in pkgs.buildNimPackage {
+  name = "noiseprotocol";
+  buildInputs = [ noise-c ];
+}