Try to improve the code

1 files changed, 14 insertions, 17 deletions

diff --git a/nixos/modules/bcg.nix b/nixos/modules/bcg.nix
index 626a67f..3146c15 100644
--- a/nixos/modules/bcg.nix
+++ b/nixos/modules/bcg.nix
@@ -4,13 +4,10 @@
   pkgs,
   ...
 }:
-
-with lib;
-
-let
+with lib; let
   cfg = config.services.bcg;
   configFile = (pkgs.formats.yaml {}).generate "bcg.conf.yaml" (
-    filterAttrsRecursive (n: v: v != null) {
+    filterAttrsRecursive (_: v: v != null) {
       inherit (cfg) device name mqtt;
       retain_node_messages = cfg.retainNodeMessages;
       qos_node_messages = cfg.qosNodeMessages;
@@ -21,16 +18,15 @@ let
       automatic_rename_nodes = cfg.automaticRenameNodes;
     }
   );
-in
-{
+in {
   options = {
     services.bcg = {
       enable = mkEnableOption "BigClown gateway";
-      package = mkPackageOption pkgs [ "python3Packages" "bcg" ] { };
+      package = mkPackageOption pkgs ["python3Packages" "bcg"] {};
       environmentFiles = mkOption {
         type = types.listOf types.path;
         default = [];
-        example = [ "/run/keys/bcg.env" ];
+        example = ["/run/keys/bcg.env"];
         description = ''
           File to load as environment file. Environment variables from this file
           will be interpolated into the config file using envsubst with this
@@ -148,21 +144,22 @@ in
 
     systemd.services.bcg = let
       envConfig = cfg.environmentFiles != [];
-      finalConfig = if envConfig
-                    then "$RUNTIME_DIRECTORY/bcg.config.yaml"
-                    else configFile;
+      finalConfig =
+        if envConfig
+        then "$RUNTIME_DIRECTORY/bcg.config.yaml"
+        else configFile;
     in {
       description = "BigClown Gateway";
-      wantedBy = [ "multi-user.target" ];
-      wants = [ "network-online.target" ] ++ lib.optional config.services.mosquitto.enable "mosquitto.service";
-      after = [ "network-online.target" ];
+      wantedBy = ["multi-user.target"];
+      wants = ["network-online.target"] ++ lib.optional config.services.mosquitto.enable "mosquitto.service";
+      after = ["network-online.target"];
       preStart = ''
         umask 077
         ${pkgs.envsubst}/bin/envsubst -i "${configFile}" -o "${finalConfig}"
-        '';
+      '';
       serviceConfig = {
         EnvironmentFile = cfg.environmentFiles;
-        ExecStart="${cfg.package}/bin/bcg -c ${finalConfig} -v ${cfg.verbose}";
+        ExecStart = "${cfg.package}/bin/bcg -c ${finalConfig} -v ${cfg.verbose}";
         RuntimeDirectory = "bcg";
       };
     };