utils.nix: Use nixfmt from nixpkgs

1 files changed, 2 insertions, 6 deletions

diff --git a/utils.nix b/utils.nix
index 7e3a6db..5bcbb10 100644
--- a/utils.nix
+++ b/utils.nix
@@ -1,8 +1,4 @@
-{ pkgs, src, baseName }:
-let
-  nixfmt = import (builtins.fetchTarball
-    "https://github.com/serokell/nixfmt/archive/master.tar.gz") { };
-in rec {
+{ pkgs, src, baseName }: rec {
   baseTask = pkgs.stdenv.mkDerivation {
     name = "${baseName}-task";
     src = src;
@@ -26,7 +22,7 @@ in rec {
     });
   formatNix = baseTask.overrideAttrs (baseAttrs: {
     name = "${baseAttrs.name}-nixfmt";
-    buildInputs = baseAttrs.buildInputs ++ [ nixfmt ];
+    buildInputs = baseAttrs.buildInputs ++ [ pkgs.nixfmt ];
     buildPhase = ''
       format() {
         nix_file="$1"