diff --git a/hooks/pre-commit b/hooks/pre-commit
new file mode 100755
index 0000000..6b6b870
--- /dev/null
+++ b/hooks/pre-commit
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+nix fmt
+
+nix flake check --all-systems --show-trace