1 files changed, 27 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/tools/cddl/default.nix b/nixpkgs/pkgs/development/tools/cddl/default.nix
index 8fdae4b1c441..f99e547435ce 100644
--- a/nixpkgs/pkgs/development/tools/cddl/default.nix
+++ b/nixpkgs/pkgs/development/tools/cddl/default.nix
@@ -1,18 +1,41 @@
-{ lib, bundlerApp, bundlerUpdateScript }:
+{ lib
+, bundlerApp
+, bundlerUpdateScript
+, makeBinaryWrapper
+}:
 
-bundlerApp {
+bundlerApp rec {
   pname = "cddl";
 
-  gemdir = ./.;
+  gemfile = ./Gemfile;
+  lockfile = ./Gemfile.lock;
+
+  gemset = lib.recursiveUpdate (import ./gemset.nix) ({
+    "cddl" = {
+      dontBuild = false;
+      # setting env vars is not supported by patchShebangs
+      postPatch = ''
+        sed -i 's\#!/usr/bin/env RUBY_THREAD_VM_STACK_SIZE=5000000\#!/usr/bin/env\' bin/cddl
+      '';
+    };
+  });
+
   exes = [ "cddl" ];
 
+  nativeBuildInputs = [ makeBinaryWrapper ];
+
+  postBuild = ''
+    wrapProgram $out/bin/cddl \
+      --set RUBY_THREAD_VM_STACK_SIZE 5000000
+  '';
+
   passthru.updateScript = bundlerUpdateScript "cddl";
 
   meta = with lib; {
     description = "A parser, generator, and validator for CDDL";
     homepage    = "https://rubygems.org/gems/cddl";
     license     = with licenses; mit;
-    maintainers = with maintainers; [ fdns nicknovitski ];
+    maintainers = with maintainers; [ fdns nicknovitski amesgen ];
     platforms   = platforms.unix;
   };
 }