ci: check formatting with nixpkgs-fmt

commit 5f044d62dbf0f6dd044a5f575ea751bacf705eab
parent f109ee4356bed340439f370ec2cb2573be359519
Author: figsoda <figsoda@pm.me>
Date: Mon, 10 Apr 2023 18:41:49 -0400

ci: check formatting with nixpkgs-fmt

1 file changed, 3 insertions(+), 0 deletions(-)

.github/workflows/ci.yml

+++

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -19,3 +19,6 @@ jobs:
 
       - name: Run checks
         run: nix flake check
+
+      - name: Check formatting
+        run: nix run nixpkgs#nixpkgs-fmt -- . --check