From c3b5499dffd416cc0f4c0fd0df5a1ab8c11b3613 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophane=20Hufschmitt?=
 <7226587+thufschmitt@users.noreply.github.com>
Date: Sat, 4 Mar 2023 11:41:24 +0100
Subject: [PATCH] Switch to cachix/install-nix-action@v20

Fixes the installation issue with the latest Nix.

Also revert the pinning to nix-2.13 since it's not needed any more.
---
 .github/workflows/ci.yml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe0976228..158eb057c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,7 @@ jobs:
     - uses: actions/checkout@v3
       with:
         fetch-depth: 0
-    - uses: cachix/install-nix-action@v19
-      with:
-        install_url: https://releases.nixos.org/nix/nix-2.13.3/install
+    - uses: cachix/install-nix-action@v20
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
     - uses: cachix/cachix-action@v12
       if: needs.check_secrets.outputs.cachix == 'true'