small fixes

modules/nixos/mail-server/mobileconfig.nix

@@ -17,22 +17,21 @@ lib.mkIf hasMailDiscoveryConfig (
 
     safeLegacyPath = email: builtins.replaceStrings [ "@" "+" ] [ "_" "-" ] email;
 
-    accountEntries =
-      lib.filter (entry: entry.domain == domain) (
-        lib.mapAttrsToList (
-          email: _:
-          let
-            parts = lib.splitString "@" email;
-            username = builtins.head parts;
-            domainPart = lib.last parts;
-          in
-          {
-            inherit email username;
-            domain = domainPart;
-            legacyPath = safeLegacyPath email;
-          }
-        ) cfg.loginAccounts
-      );
+    accountEntries = lib.filter (entry: entry.domain == domain) (
+      lib.mapAttrsToList (
+        email: _:
+        let
+          parts = lib.splitString "@" email;
+          username = builtins.head parts;
+          domainPart = lib.last parts;
+        in
+        {
+          inherit email username;
+          domain = domainPart;
+          legacyPath = safeLegacyPath email;
+        }
+      ) cfg.loginAccounts
+    );
 
     usernames = map (entry: entry.username) accountEntries;
     defaultUsername =
@@ -40,8 +39,8 @@ lib.mkIf hasMailDiscoveryConfig (
 
     generatorScript = ./mobileconfig-generator.py;
 
-    accountArgs = lib.concatMapStrings (entry:
-      " --account ${entry.username}:${entry.email}:${entry.legacyPath}"
+    accountArgs = lib.concatMapStrings (
+      entry: " --account ${entry.username}:${entry.email}:${entry.legacyPath}"
     ) accountEntries;
 
     defaultUsernameArg =
@@ -61,7 +60,12 @@ lib.mkIf hasMailDiscoveryConfig (
       wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         DynamicUser = true;
-        ExecStart = "${pkgs.python3}/bin/python3 ${generatorScript} --domain ${domain} --mail-host ${cfg.fqdn} --radicale-host ${radicaleHost} --port ${toString mobileconfigPort}${defaultUsernameArg}${accountArgs}";
+        ExecStart = "${pkgs.python3}/bin/python3 \
+            ${generatorScript} \
+            --domain ${domain} \
+            --mail-host ${cfg.fqdn} \
+            --radicale-host ${radicaleHost} \
+            --port ${toString mobileconfigPort}${defaultUsernameArg}${accountArgs}";
         NoNewPrivileges = true;
         PrivateTmp = true;
         ProtectHome = true;