From e1d2a08c8a75fac91b49a29b2b63ad15826587b1 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 14 Jun 2021 18:46:10 -0400
Subject: [PATCH] maybe like this, then

---
 .circleci/config.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1f79b62..d0e1f00 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -147,11 +147,10 @@ jobs:
 
     steps:
       - run:
-          environment:
-            NIX_PATH: "nixpkgs=https://github.com/nixos/nixpkgs/archive/7e9b0dff974c89e070da1ad85713ff3c20b0ca97.tar.gz"
           name: "Set up Cachix"
           command: |
-            nix-env -iA nixpkgs.cachix
+            nix-channel --add https://nixos.org/channels/nixos-21.05 2105-small
+            nix-env -f '<2105-small>' -i cachix
             cachix use "${CACHIX_NAME}"
 
       - "checkout"
-- 
GitLab