diff --git a/nix/tools.nix b/nix/tools.nix
index 9bcc89d..c3e78af 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -1,95 +1,93 @@
-{ stdenv
-, lib
+{
+  stdenv,
+  lib,
 
-, actionlint
-, alejandra
-, ansible-lint
-, biome
-, cabal-fmt
-, cabal-gild
-, cabal2nix
-, callPackage
-, cargo
-, checkmake
-, clang-tools
-, clippy
-, cljfmt
-, cmake-format
-, commitizen
-, conform
-, convco
-, crystal
-, deadnix
-, deno
-, dhall
-, dune_3
-, eclint
-, editorconfig-checker
-, elixir
-, elmPackages
-, flake-checker ? null
-, fprettify
-, git-annex
-, gptcommit ? null
-, hadolint
-, haskellPackages
-, hindent
-, hlint
-, hpack
-, html-tidy
-, luaPackages
-, lua-language-server
-, lychee
-, julia-bin
-, mdl
-, mdsh
-, nil
-, nixfmt
-, nixpkgs-fmt
-, nodePackages
-, ocamlPackages
-, opam
-, ormolu
-, pkgsBuildBuild
-, poetry
-, pre-commit-hook-ensure-sops ? null
-, python3Packages
-, pyright ? nodePackages.pyright
-, php82Packages
-, ripsecrets ? null
-, reuse
-, ruff ? null
-, rustfmt
-, shellcheck
-, bats
-, shfmt
-, beautysh
-, statix
-, stylish-haskell
-, stylua
-, tagref
-, taplo
-, texlive
-, topiary ? null ## Added in nixpkgs on Dec 2, 2022
-, treefmt
-, typos
-, typstfmt
-, typstyle ? null ## Add in nixpkgs added on commit 800ca60
-, zprint
-, yamlfmt
-, yamllint
-, go
-, go-tools
-, golangci-lint
-, revive ? null
-, vale
+  actionlint,
+  alejandra,
+  ansible-lint,
+  biome,
+  cabal-fmt,
+  cabal-gild,
+  cabal2nix,
+  callPackage,
+  cargo,
+  checkmake,
+  clang-tools,
+  clippy,
+  cljfmt,
+  cmake-format,
+  commitizen,
+  conform,
+  convco,
+  crystal,
+  deadnix,
+  deno,
+  dhall,
+  dune_3,
+  eclint,
+  editorconfig-checker,
+  elixir,
+  elmPackages,
+  flake-checker ? null,
+  fprettify,
+  git-annex,
+  gptcommit ? null,
+  hadolint,
+  haskellPackages,
+  hindent,
+  hlint,
+  hpack,
+  html-tidy,
+  luaPackages,
+  lua-language-server,
+  lychee,
+  julia-bin,
+  mdl,
+  mdsh,
+  nil,
+  nixfmt-rfc-style,
+  nixpkgs-fmt,
+  nodePackages,
+  ocamlPackages,
+  opam,
+  ormolu,
+  pkgsBuildBuild,
+  poetry,
+  pre-commit-hook-ensure-sops ? null,
+  python3Packages,
+  pyright ? nodePackages.pyright,
+  php82Packages,
+  ripsecrets ? null,
+  reuse,
+  ruff ? null,
+  rustfmt,
+  shellcheck,
+  bats,
+  shfmt,
+  beautysh,
+  statix,
+  stylish-haskell,
+  stylua,
+  tagref,
+  taplo,
+  texlive,
+  topiary ? null, # # Added in nixpkgs on Dec 2, 2022
+  treefmt,
+  typos,
+  typstfmt,
+  typstyle ? null, # # Add in nixpkgs added on commit 800ca60
+  zprint,
+  yamlfmt,
+  yamllint,
+  go,
+  go-tools,
+  golangci-lint,
+  revive ? null,
+  vale,
 }:
 
-
 let
-  tex = texlive.combine {
-    inherit (texlive) latexindent chktex scheme-basic;
-  };
+  tex = texlive.combine { inherit (texlive) latexindent chktex scheme-basic; };
 in
 {
   inherit
@@ -131,7 +129,7 @@ in
     mdl
     mdsh
     nil
-    nixfmt
+    nixfmt-rfc-style
     nixpkgs-fmt
     ormolu
     pre-commit-hook-ensure-sops
@@ -163,9 +161,25 @@ in
   # TODO: these two should be statically compiled
   inherit (haskellPackages) fourmolu;
   inherit (luaPackages) luacheck;
-  inherit (nodePackages) eslint markdownlint-cli prettier cspell;
+  inherit (nodePackages)
+    eslint
+    markdownlint-cli
+    prettier
+    cspell
+    ;
   inherit (ocamlPackages) ocp-indent;
-  inherit (python3Packages) autoflake black flake8 flynt isort mkdocs-linkcheck mypy pre-commit-hooks pylint pyupgrade;
+  inherit (python3Packages)
+    autoflake
+    black
+    flake8
+    flynt
+    isort
+    mkdocs-linkcheck
+    mypy
+    pre-commit-hooks
+    pylint
+    pyupgrade
+    ;
   inherit (php82Packages) php-cs-fixer psalm;
   # FIXME: workaround build failure
   phpstan = php82Packages.phpstan.overrideAttrs (old: {
@@ -182,15 +196,27 @@ in
   purty = callPackage ./purty { purty = nodePackages.purty; };
   terraform-fmt = callPackage ./terraform-fmt { };
   tflint = callPackage ./tflint { };
-  dune-build-opam-files = callPackage ./dune-build-opam-files { dune = dune_3; inherit (pkgsBuildBuild) ocaml; };
-  dune-fmt = callPackage ./dune-fmt { dune = dune_3; inherit (pkgsBuildBuild) ocaml; };
-  latexindent = tex;
-  lacheck = texlive.combine {
-    inherit (texlive) lacheck scheme-basic;
+  dune-build-opam-files = callPackage ./dune-build-opam-files {
+    dune = dune_3;
+    inherit (pkgsBuildBuild) ocaml;
   };
+  dune-fmt = callPackage ./dune-fmt {
+    dune = dune_3;
+    inherit (pkgsBuildBuild) ocaml;
+  };
+  latexindent = tex;
+  lacheck = texlive.combine { inherit (texlive) lacheck scheme-basic; };
   chktex = tex;
   commitizen = commitizen.overrideAttrs (_: _: { doCheck = false; });
-  bats = if bats ? withLibraries then (bats.withLibraries (p: [ p.bats-support p.bats-assert p.bats-file ])) else bats;
+  bats =
+    if bats ? withLibraries then
+      (bats.withLibraries (p: [
+        p.bats-support
+        p.bats-assert
+        p.bats-file
+      ]))
+    else
+      bats;
   git-annex = if stdenv.isDarwin then null else git-annex;
   # Note: Only broken in stable nixpkgs, works fine on latest master.
   opam = if stdenv.isDarwin then null else opam;