From d3a3b8dc7cc3e6e7fc55bf820d84b466b45861bb Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Sun, 28 Jun 2020 12:38:48 +0530
Subject: [PATCH] runDhallCommand: append extra nativeBuildInputs

---
 lib/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/default.nix b/lib/default.nix
index 8529eae..ac5190c 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -18,8 +18,9 @@ let
 in rec {
 
   runDhallCommand = name: env: script:
-    nixpkgs.runCommand name
-    ({ nativeBuildInputs = [ buildPackages.dhall ]; } // env) ''
+    nixpkgs.runCommand name (env // {
+      nativeBuildInputs = [ buildPackages.dhall ] ++ env.buildPackages or [ ];
+    }) ''
       ${dhallCachePrelude}
       ${script}
     '';