From 3c7371cf458f79302fb6782ab7907943e2982f3d Mon Sep 17 00:00:00 2001
From: vabatta <2137077+vabatta@users.noreply.github.com>
Date: Sun, 5 Apr 2026 00:21:30 +0200
Subject: [PATCH] chore: add direnv support and clean up nix dev shell

---
 .envrc     |  1 +
 .gitignore |  1 +
 flake.nix  | 16 ++++++++--------
 3 files changed, 10 insertions(+), 8 deletions(-)
 create mode 100644 .envrc

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..8392d15
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 3a30961..b6428a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
 pgsql.tmLanguage
 result
+.direnv/
diff --git a/flake.nix b/flake.nix
index 86bd5fb..80bc741 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,8 +6,14 @@
     flake-utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system:
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
         nodejs = pkgs.nodejs;
@@ -28,16 +34,10 @@
           buildInputs = [ nodejs ];
 
           shellHook = ''
-            export SHELL=${pkgs.zsh}/bin/zsh
-
             echo "pgsql-grammar dev shell"
             echo "  npm test            — run grammar tests"
             echo "  npm run validate    — smoke test grammar against samples"
             echo "  npm run preview     — local Shiki preview at http://localhost:3117"
-
-            if [[ $- == *i* ]]; then
-              exec $SHELL
-            fi
           '';
         };
       }