re-format with nixfmt

checks/lib/container-driver/module.nix

@@ -1,17 +1,23 @@
-{ hostPkgs, lib, config, ... }:
+{
+  hostPkgs,
+  lib,
+  config,
+  ...
+}:
 let
   testDriver = hostPkgs.python3.pkgs.callPackage ./package.nix {
     inherit (config) extraPythonPackages;
     inherit (hostPkgs.pkgs) util-linux systemd;
   };
   containers = map (m: m.system.build.toplevel) (lib.attrValues config.nodes);
-  pythonizeName = name:
+  pythonizeName =
+    name:
     let
       head = lib.substring 0 1 name;
       tail = lib.substring 1 (-1) name;
     in
-    (if builtins.match "[A-z_]" head == null then "_" else head) +
-    lib.stringAsChars (c: if builtins.match "[A-z0-9_]" c == null then "_" else c) tail;
+    (if builtins.match "[A-z_]" head == null then "_" else head)
+    + lib.stringAsChars (c: if builtins.match "[A-z0-9_]" c == null then "_" else c) tail;
   nodeHostNames =
     let
       nodesList = map (c: c.system.name) (lib.attrValues config.nodes);
@@ -21,68 +27,72 @@ let
   pythonizedNames = map pythonizeName nodeHostNames;
 in
 {
-  driver = lib.mkForce (hostPkgs.runCommand "nixos-test-driver-${config.name}"
-    {
-      nativeBuildInputs = [
-        hostPkgs.makeWrapper
-      ] ++ lib.optionals (!config.skipTypeCheck) [ hostPkgs.mypy ];
-      buildInputs = [ testDriver ];
-      testScript = config.testScriptString;
-      preferLocalBuild = true;
-      passthru = config.passthru;
-      meta = config.meta // {
-        mainProgram = "nixos-test-driver";
+  driver = lib.mkForce (
+    hostPkgs.runCommand "nixos-test-driver-${config.name}"
+      {
+        nativeBuildInputs = [
+          hostPkgs.makeWrapper
+        ] ++ lib.optionals (!config.skipTypeCheck) [ hostPkgs.mypy ];
+        buildInputs = [ testDriver ];
+        testScript = config.testScriptString;
+        preferLocalBuild = true;
+        passthru = config.passthru;
+        meta = config.meta // {
+          mainProgram = "nixos-test-driver";
+        };
+      }
+      ''
+        mkdir -p $out/bin
+
+        containers=(${toString containers})
+
+        ${lib.optionalString (!config.skipTypeCheck) ''
+          # prepend type hints so the test script can be type checked with mypy
+          cat "${./test-script-prepend.py}" >> testScriptWithTypes
+          echo "${builtins.toString machineNames}" >> testScriptWithTypes
+          echo -n "$testScript" >> testScriptWithTypes
+
+          echo "Running type check (enable/disable: config.skipTypeCheck)"
+          echo "See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck"
+
+          mypy  --no-implicit-optional \
+                --pretty \
+                --no-color-output \
+                testScriptWithTypes
+        ''}
+
+        echo -n "$testScript" >> $out/test-script
+
+        ln -s ${testDriver}/bin/nixos-test-driver $out/bin/nixos-test-driver
+
+        wrapProgram $out/bin/nixos-test-driver \
+          ${lib.concatStringsSep " " (map (name: "--add-flags '--container ${name}'") containers)} \
+          --add-flags "--test-script '$out/test-script'"
+      ''
+  );
+
+  test = lib.mkForce (
+    lib.lazyDerivation {
+      # lazyDerivation improves performance when only passthru items and/or meta are used.
+      derivation = hostPkgs.stdenv.mkDerivation {
+        name = "vm-test-run-${config.name}";
+
+        requiredSystemFeatures = [ "uid-range" ];
+
+        buildCommand = ''
+          mkdir -p $out
+
+          # effectively mute the XMLLogger
+          export LOGFILE=/dev/null
+
+          ${config.driver}/bin/nixos-test-driver -o $out
+        '';
+
+        passthru = config.passthru;
+
+        meta = config.meta;
       };
+      inherit (config) passthru meta;
     }
-    ''
-      mkdir -p $out/bin
-
-      containers=(${toString containers})
-
-      ${lib.optionalString (!config.skipTypeCheck) ''
-        # prepend type hints so the test script can be type checked with mypy
-        cat "${./test-script-prepend.py}" >> testScriptWithTypes
-        echo "${builtins.toString machineNames}" >> testScriptWithTypes
-        echo -n "$testScript" >> testScriptWithTypes
-
-        echo "Running type check (enable/disable: config.skipTypeCheck)"
-        echo "See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck"
-
-        mypy  --no-implicit-optional \
-              --pretty \
-              --no-color-output \
-              testScriptWithTypes
-      ''}
-
-      echo -n "$testScript" >> $out/test-script
-
-      ln -s ${testDriver}/bin/nixos-test-driver $out/bin/nixos-test-driver
-
-      wrapProgram $out/bin/nixos-test-driver \
-        ${lib.concatStringsSep " " (map (name: "--add-flags '--container ${name}'") containers)} \
-        --add-flags "--test-script '$out/test-script'"
-    '');
-
-  test = lib.mkForce (lib.lazyDerivation {
-    # lazyDerivation improves performance when only passthru items and/or meta are used.
-    derivation = hostPkgs.stdenv.mkDerivation {
-      name = "vm-test-run-${config.name}";
-
-      requiredSystemFeatures = [ "uid-range" ];
-
-      buildCommand = ''
-        mkdir -p $out
-
-        # effectively mute the XMLLogger
-        export LOGFILE=/dev/null
-
-        ${config.driver}/bin/nixos-test-driver -o $out
-      '';
-
-      passthru = config.passthru;
-
-      meta = config.meta;
-    };
-    inherit (config) passthru meta;
-  });
+  );
 }