From e534f94d7133d80a96cd854c0e7ea0d259226ec8 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <pngwjpgh@users.noreply.github.com>
Date: Thu, 24 Nov 2016 18:08:53 +0100
Subject: Overridable

---
 ymir.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ymir.nix b/ymir.nix
index 0f12d1c3..b649c911 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -115,14 +115,14 @@ in rec {
         printf "%s/%s/%s" "''${baseUrl}" "''${prefix}" "''${filename}"
       '';
 
-      libinfinity = pkgs.lib.overrideDerivation pkgs.libinfinity (oldAttrs: {
+      libinfinity = pkgs.lib.makeOverridable (pkgs.lib.overrideDerivation pkgs.libinfinity (oldAttrs: {
         src = pkgs.fetchFromGitHub {
           user = "gobby";
           repo = "libinfinity";
           rev = "6c461a34568d40dc1cfcaa6863817e70101873c8";
           sha256 = "1jz9m16aw01z2w1ba9jkq8vr9yyx9yxm63jl6k5vsbp5jdk4xh0l";
         };
-      });
+      }));
     };
 
   environment.systemPackages = with pkgs; [
-- 
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