direnv: use shell from flake, install nix-direnv if user doesn't have it setup

Sorixelle · Sorixelle · commit 37a00fd1e6ad · 2025-03-20T21:26:56.000+11:00
diff --git a/.envrc b/.envrc
@@ -1 +1,5 @@
-use nix
+if ! has nix_direnv_version || ! nix_direnv_version 3.0.6; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.6/direnvrc" "sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
+fi
+
+use flake
