From 588fe10bae7824e1152babe0f9aeba4580cca80b Mon Sep 17 00:00:00 2001
From: Herwig Hochleitner <herwig@bendlas.net>
Date: Fri, 16 Feb 2018 01:15:37 +0100
Subject: [PATCH] cask: fix evaluation error

this was due to an override `emacsPackages = emacsPackagesNg` on my
system.

https://github.com/NixOS/nixpkgs/commit/5bede1a25280d3ce57d9140babdd2ecac6c1333a
---
 pkgs/development/tools/build-managers/cask/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/tools/build-managers/cask/default.nix b/pkgs/development/tools/build-managers/cask/default.nix
index 204bec69fb89..234dab99c03c 100644
--- a/pkgs/development/tools/build-managers/cask/default.nix
+++ b/pkgs/development/tools/build-managers/cask/default.nix
@@ -1,8 +1,8 @@
-{ emacsPackages, writeScriptBin }:
+{ emacsPackagesNg, writeScriptBin }:
 let
 
-  emacs = emacsPackages.emacsWithPackages (epkgs: [ epkgs.cask-package-toolset ]);
-  cpt = emacsPackages.cask-package-toolset;
+  emacs = emacsPackagesNg.emacsWithPackages (epkgs: [ epkgs.cask-package-toolset ]);
+  cpt = emacsPackagesNg.cask-package-toolset;
 
 in writeScriptBin "cask" ''
 #!/bin/sh