diff --git a/default.nix b/default.nix
index 2cde789..73b854b 100644
--- a/default.nix
+++ b/default.nix
@@ -1,8 +1,7 @@
-{
-  config,
-  pkgs,
-  lib,
-  ...
+{ config
+, pkgs
+, lib
+, ...
 }:
 with lib; let
   rust-analyzer =
@@ -13,32 +12,33 @@ with lib; let
     if config.class ? dev
     then
       symlinkJoin
-      {
-        name = "nvim-fenix";
-        paths = [
-          (fenix.latest.withComponents [
-            "cargo"
-            "clippy-preview"
-            "rust-src"
-            "rust-std"
-            "rustc"
-            "rustfmt-preview"
-          ])
-          cargo-watch
-        ];
-      }
+        {
+          name = "nvim-fenix";
+          paths = [
+            (fenix.latest.withComponents [
+              "cargo"
+              "clippy-preview"
+              "rust-src"
+              "rust-std"
+              "rustc"
+              "rustfmt-preview"
+            ])
+            cargo-watch
+          ];
+        }
     else
       symlinkJoin {
         name = "nvim-rust";
-        paths = [rustc cargo rustfmt clippy cargo-watch];
+        paths = [ rustc cargo rustfmt clippy cargo-watch ];
       };
-in {
+in
+{
   programs.neovim = {
     # https://github.com/nix-community/home-manager/blob/master/modules/programs/neovim.nix
     enable = true;
     vimAlias = true;
     withNodeJs = true;
-    extraPackages = with pkgs; [fzf xclip fish];
+    extraPackages = with pkgs; [ fzf xclip fish ];
     plugins = with pkgs.vimPlugins; [
       vim-fugitive
       git-blame-nvim
@@ -87,87 +87,92 @@ in {
       telescope-undo-nvim
       oil-nvim
     ];
-    extraLuaConfig = let
-      # tries to compute a package set required to make package resolution in lua
-      # via deps["pkg"] work
-      inherit (builtins) head tail hasAttr getAttr;
-      pkg = parts: pkgs: let
-        rem = tail parts;
-        subset =
-          if hasAttr (head parts) pkgs
-          then getAttr (head parts) pkgs
-          else throw "no attr ${name}";
-      in
-        if rem == []
-        then subset
-        else builtins.addErrorContext "${concatStringsSep "." parts}" (pkg rem subset);
-      getPkg = name: let parts = builtins.split "\\." name; in pkg parts pkgs;
-      packages = file: let
-        out = builtins.readFile (pkgs.runCommandLocal "extract-deps"
-          {
-            nativeBuildInputs = [pkgs.gnused];
-            __contentAddressed = true;
-          } ''
-            sed -nr 's/.*(deps\["(.*)_path"\]).*/\2/p' ${file} | uniq > $out
-          '');
-        names = lib.splitString "\n" out;
-      in
-        filter (name: name != "") names;
-      paths =
-        (listToAttrs (map
-          (name: {
-            inherit name;
-            value = getPkg name;
-          })
-          (packages "${confDir}/*.lua")))
-        // {
-          lldb = pkgs.lldb;
-          rust_analyzer = rust-analyzer;
-          typst_lsp = pkgs.typst-lsp;
-          inherit (pkgs.python3Packages) python-lsp-server;
-          inherit (pkgs.luajitPackages) lua-lsp;
-          inherit (pkgs.nodePackages) typescript-language-server bash-language-server;
+    extraLuaConfig =
+      let
+        # tries to compute a package set required to make package resolution in lua
+        # via deps["pkg"] work
+        inherit (builtins) head tail hasAttr getAttr;
+        pkg = parts: pkgs:
+          let
+            rem = tail parts;
+            subset =
+              if hasAttr (head parts) pkgs
+              then getAttr (head parts) pkgs
+              else throw "no attr ${name}";
+          in
+          if rem == [ ]
+          then subset
+          else builtins.addErrorContext "${concatStringsSep "." parts}" (pkg rem subset);
+        getPkg = name: let parts = builtins.split "\\." name; in pkg parts pkgs;
+        packages = file:
+          let
+            out = builtins.readFile (pkgs.runCommandLocal "extract-deps"
+              {
+                nativeBuildInputs = [ pkgs.gnused ];
+                __contentAddressed = true;
+              } ''
+              sed -nr 's/.*(deps\["(.*)_path"\]).*/\2/p' ${file} | uniq > $out
+            '');
+            names = lib.splitString "\n" out;
+          in
+          filter (name: name != "") names;
+        paths =
+          (listToAttrs (map
+            (name: {
+              inherit name;
+              value = getPkg name;
+            })
+            (packages "${confDir}/*.lua")))
+          // {
+            lldb = pkgs.lldb;
+            rust_analyzer = rust-analyzer;
+            typst_lsp = pkgs.typst-lsp;
+            inherit (pkgs.python3Packages) python-lsp-server;
+            inherit (pkgs.luajitPackages) lua-lsp;
+            inherit (pkgs.nodePackages) typescript-language-server bash-language-server;
+          };
+        pathsLua = pkgs.writeTextFile {
+          name = "nvim-deps.lua";
+          text = ''
+            deps = {}
+            ${concatStringsSep "\n " (mapAttrsToList (name: path: ''deps["${name}_path"] = "${path}"'') paths)}
+            return deps
+          '';
         };
-      pathsLua = pkgs.writeTextFile {
-        name = "nvim-deps.lua";
-        text = ''
-          deps = {}
-          ${concatStringsSep "\n " (mapAttrsToList (name: path: ''deps["${name}_path"] = "${path}"'') paths)}
-          return deps
-        '';
-      };
-      confDir = lib.sourceFilesBySuffices ./. ["lua" "vim"];
-    in
+        confDir = lib.sourceFilesBySuffices ./. [ "lua" "vim" ];
+      in
       with lib; ''
         vim.cmd [[source ${confDir}/init.vim]]
         package.path = package.path .. ";${confDir}/?.lua;${pathsLua};"
         dofile("${confDir}/init.lua")
       '';
   };
-  programs.git.ignores = [".nvim_session"];
-  xdg.configFile."nvim/coc-settings.json".text = let
-    preferProjectEnv = binName: alternate:
-      pkgs.writeShellScript "${binName}-switcher" ''
-        if command -v ${binName}; then
-          ${binName} ''${@}
-        else
-          ${alternate} ''${@}
-        fi
-      '';
-    addSDK = {
-      name,
-      lsp,
-      sdk,
-    }:
-      with pkgs;
-        runCommandLocal name
-        {
-          nativeBuildInputs = [makeWrapper];
-        } ''
-          makeWrapper ${lsp} $out \
-           --prefix PATH : ${lib.makeBinPath sdk}
+  programs.git.ignores = [ ".nvim_session" ];
+  xdg.configFile."nvim/coc-settings.json".text =
+    let
+      preferProjectEnv = binName: alternate:
+        pkgs.writeShellScript "${binName}-switcher" ''
+          if command -v ${binName}; then
+            ${binName} ''${@}
+          else
+            ${alternate} ''${@}
+          fi
         '';
-  in
+      addSDK =
+        { name
+        , lsp
+        , sdk
+        ,
+        }:
+          with pkgs;
+          runCommandLocal name
+            {
+              nativeBuildInputs = [ makeWrapper ];
+            } ''
+            makeWrapper ${lsp} $out \
+             --prefix PATH : ${lib.makeBinPath sdk}
+          '';
+    in
     builtins.toJSON {
       python = {
         pythonPath = preferProjectEnv "python3" (pkgs.python3 + "/bin/python3");
@@ -189,55 +194,55 @@ in {
           fullFunctionSignatures.enable = true; # https://github.com/rust-lang/rust-analyzer/pull/15582
           snippets = {
             "return Err(..)" = {
-              postfix = ["reterr"];
+              postfix = [ "reterr" ];
               body = ''return Err($${receiver});'';
               description = "return expression as Err";
               scope = "expr";
             };
             "format!(..)" = {
-              postfix = ["fmt"];
+              postfix = [ "fmt" ];
               body = ''format!($${receiver})'';
               description = "use receiver as format string";
               scope = "expr";
             };
             "wrap { .. }" = {
-              postfix = ["brace" "wrap"];
+              postfix = [ "brace" "wrap" ];
               body = ''{$${receiver}}'';
               description = "wrap this type in { .. }";
               scope = "expr";
             };
             "async move { .. }" = {
-              postfix = ["asyncm"];
+              postfix = [ "asyncm" ];
               body = ''async move {$${receiver}}'';
               description = "wrap this type in async move { .. }";
               scope = "expr";
             };
             "try { .. }" = {
-              postfix = ["try"];
+              postfix = [ "try" ];
               body = ''let result: Result<_,_> = try {$${receiver}};'';
               description = "wrap this type in try { .. }";
               scope = "expr";
             };
             "while let Some(item) = { .. } {}" = {
-              postfix = ["letwhile"];
+              postfix = [ "letwhile" ];
               body = ''while let Some(item) = $${receiver} {}'';
               description = "wrap this type in while let Some";
               scope = "expr";
             };
             "let $x = $x.clone()" = {
-              postfix = ["cloned"];
+              postfix = [ "cloned" ];
               body = ''let $${receiver} = $${receiver}.clone();'';
               description = "clone a variable into a new binding";
               scope = "expr";
             };
             "let $x = $x.into()" = {
-              postfix = ["into"];
+              postfix = [ "into" ];
               body = ''let $${receiver} = $${receiver}.clone();'';
               description = "call into() and create a new binding";
               scope = "expr";
             };
             "assert_eq!($x, .. );" = {
-              postfix = ["asseq"];
+              postfix = [ "asseq" ];
               body = ''assert_eq!($${receiver}, );'';
               description = "create an assertion for the expression";
               scope = "expr";
@@ -251,7 +256,7 @@ in {
         serverPath = addSDK {
           name = "rust-env";
           lsp = "${rust-analyzer}/bin/rust-analyzer";
-          sdk = [rust-sdk];
+          sdk = [ rust-sdk ];
         };
         imports.group.enable = true;
         inlayHints = {
@@ -274,7 +279,7 @@ in {
           enable = true;
           experimental.enable = true;
         };
-        files.excludeDirs = ["result" "target"];
+        files.excludeDirs = [ "result" "target" ];
         extraEnv = {
           RA_LOG = "debug";
         };
@@ -282,14 +287,14 @@ in {
       languageserver = {
         ccls = {
           command = preferProjectEnv "ccls" "${pkgs.ccls}/bin/ccls";
-          filetypes = ["c" "cc" "cpp" "c++" "objc" "objcpp"];
-          rootPatterns = [".ccls" "compile_commands.json" ".git/" ".hg/"];
+          filetypes = [ "c" "cc" "cpp" "c++" "objc" "objcpp" ];
+          rootPatterns = [ ".ccls" "compile_commands.json" ".git/" ".hg/" ];
           initializationOptions = {
             cache = {
               directory = "${config.xdg.cacheHome}/ccls";
             };
           };
-          clang.extraOptions = ["-std=c++20"];
+          clang.extraOptions = [ "-std=c++20" ];
         };
         nix = {
           command = "${pkgs.nil}/bin/nil";
@@ -299,15 +304,15 @@ in {
             autoEvalInputs = true;
           };
           maxMemoryMB = 1024 * 4;
-          rootPatterns = ["flake.nix"];
-          filetypes = ["nix"];
+          rootPatterns = [ "flake.nix" ];
+          filetypes = [ "nix" ];
         };
         diagnostic-languageserver = {
           filetypes = {
-            sh = ["${pkgs.shellcheck}/bin/shellcheck"];
+            sh = [ "${pkgs.shellcheck}/bin/shellcheck" ];
           };
         };
-        cSpell = {diagnosticLevel = "hint";};
+        cSpell = { diagnosticLevel = "hint"; };
       };
     };
   home.sessionVariables = rec {