From 87c1561b470181a7842b22f6b808cc62719097f3 Mon Sep 17 00:00:00 2001
From: adisbladis <adisbladis@gmail.com>
Date: Wed, 11 Aug 2021 18:17:34 -0500
Subject: [PATCH] Create a minimal shell derivation for the check-fmt script

---
 check-fmt     | 2 +-
 check-fmt.nix | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 check-fmt.nix

diff --git a/check-fmt b/check-fmt
index e3a5587..1fe212b 100755
--- a/check-fmt
+++ b/check-fmt
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell ./shell.nix -i bash
+#!nix-shell ./check-fmt.nix -i bash
 #
 # Just because the nixpkgs-fmt error message is not super readable. Used by
 # CI.
diff --git a/check-fmt.nix b/check-fmt.nix
new file mode 100644
index 0000000..ab5f223
--- /dev/null
+++ b/check-fmt.nix
@@ -0,0 +1,7 @@
+let
+  sources = import ./nix/sources.nix;
+  pkgs = import sources.nixpkgs { };
+in
+pkgs.mkShell {
+  nativeBuildInputs = [ pkgs.nixpkgs-fmt ];
+}