From a31d07d8bf611a18247bfb85e3a47acbd60dc90a Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Wed, 15 Dec 2021 14:54:54 +0100
Subject: [PATCH] ci: update container image for modules tests

nixos/nix:latest has switched to Nix 2.5, but we should track
2.3.x, the default on NixOS stable.
---
 .cirrus.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 2dff4ac..297a74f 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -10,7 +10,8 @@ task:
   matrix:
     - name: modules_test
       container:
-        image: nixos/nix
+        # Use Nix release 2.3.x, the default on NixOS stable
+        image: nixos/nix:2.3.12
         # Besides virtualization, this also enables privileged containers which are required for
         # sandboxed builds
         kvm: true