From 0c4046abeeb2f85d0d6a06d514e1dd15125705b8 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer@users.noreply.github.com>
Date: Tue, 12 Nov 2024 11:15:38 -0800
Subject: [PATCH] Update PR gate (#32)

* Use unstable channel for PR gate

* don't use nix-env

* Run as command
---
 .github/workflows/pull_request.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index d6c4ff5..9f7333c 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -16,9 +16,9 @@ jobs:
     - name: Install Nix
       uses: cachix/install-nix-action@v13
       with:
-        nix_path: nixpkgs=channel:nixos-21.05
+        nix_path: nixpkgs=channel:nixos-unstable
 
     - name: Build book
       run: |
-        nix-env -iA mdbook -f '<nixpkgs>'
-        mdbook build
+        nix-shell '<nixpkgs>' -p mdbook --command 'mdbook build'
+