From 0bb2d87cfd7967f8d0314c81c0743c7a34a536f8 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Wed, 1 Jan 2020 13:52:01 +0100
Subject: [PATCH] gitlab-ci: pin Nixpkgs version

---
 .gitlab-ci.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 73c00f305..f7c14abb6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,9 @@
 image: nixos/nix:latest
 
+variables:
+  # Pinned 2020-01-01.
+  NIX_PATH: "nixpkgs=https://github.com/NixOS/nixpkgs/archive/b0bbacb52134a7e731e549f4c0a7a2a39ca6b481.tar.gz"
+
 stages:
   - test
   - deploy