From 889fb542e6e9899ab14b045754ee6266c45d00ab Mon Sep 17 00:00:00 2001
From: zimbatm <zimbatm@zimbatm.com>
Date: Sun, 23 Feb 2020 16:21:03 +0100
Subject: [PATCH] cachix: fix build on 19.09 and under

---
 images/cachix/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/images/cachix/default.nix b/images/cachix/default.nix
index 7596851..65925a9 100644
--- a/images/cachix/default.nix
+++ b/images/cachix/default.nix
@@ -4,7 +4,7 @@
 (docker-nixpkgs.nix.override {
   extraContents = [ cachix ];
 }).overrideAttrs (prev: {
-  meta = prev.meta // {
+  meta = (prev.meta or {}) // {
     description = "Nix and Cachix image";
   };
 })