nixos/services.memcached: remove with lib;

nixos/modules/services/databases/memcached.nix

@@ -1,7 +1,4 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
 
   cfg = config.services.memcached;
@@ -17,42 +14,42 @@ in
   options = {
 
     services.memcached = {
-      enable = mkEnableOption "Memcached";
+      enable = lib.mkEnableOption "Memcached";
 
-      user = mkOption {
-        type = types.str;
+      user = lib.mkOption {
+        type = lib.types.str;
         default = "memcached";
         description = "The user to run Memcached as";
       };
 
-      listen = mkOption {
-        type = types.str;
+      listen = lib.mkOption {
+        type = lib.types.str;
         default = "127.0.0.1";
         description = "The IP address to bind to.";
       };
 
-      port = mkOption {
-        type = types.port;
+      port = lib.mkOption {
+        type = lib.types.port;
         default = 11211;
         description = "The port to bind to.";
       };
 
-      enableUnixSocket = mkEnableOption "Unix Domain Socket at /run/memcached/memcached.sock instead of listening on an IP address and port. The `listen` and `port` options are ignored";
+      enableUnixSocket = lib.mkEnableOption "Unix Domain Socket at /run/memcached/memcached.sock instead of listening on an IP address and port. The `listen` and `port` options are ignored";
 
-      maxMemory = mkOption {
-        type = types.ints.unsigned;
+      maxMemory = lib.mkOption {
+        type = lib.types.ints.unsigned;
         default = 64;
         description = "The maximum amount of memory to use for storage, in megabytes.";
       };
 
-      maxConnections = mkOption {
-        type = types.ints.unsigned;
+      maxConnections = lib.mkOption {
+        type = lib.types.ints.unsigned;
         default = 1024;
         description = "The maximum number of simultaneous connections.";
       };
 
-      extraOptions = mkOption {
-        type = types.listOf types.str;
+      extraOptions = lib.mkOption {
+        type = lib.types.listOf lib.types.str;
         default = [];
         description = "A list of extra options that will be added as a suffix when running memcached.";
       };
@@ -62,14 +59,14 @@ in
 
   ###### implementation
 
-  config = mkIf config.services.memcached.enable {
+  config = lib.mkIf config.services.memcached.enable {
 
-    users.users = optionalAttrs (cfg.user == "memcached") {
+    users.users = lib.optionalAttrs (cfg.user == "memcached") {
       memcached.description = "Memcached server user";
       memcached.isSystemUser = true;
       memcached.group = "memcached";
     };
-    users.groups = optionalAttrs (cfg.user == "memcached") { memcached = {}; };
+    users.groups = lib.optionalAttrs (cfg.user == "memcached") { memcached = {}; };
 
     environment.systemPackages = [ memcached ];
 
@@ -85,7 +82,7 @@ in
           networking = if cfg.enableUnixSocket
           then "-s /run/memcached/memcached.sock"
           else "-l ${cfg.listen} -p ${toString cfg.port}";
-        in "${memcached}/bin/memcached ${networking} -m ${toString cfg.maxMemory} -c ${toString cfg.maxConnections} ${concatStringsSep " " cfg.extraOptions}";
+        in "${memcached}/bin/memcached ${networking} -m ${toString cfg.maxMemory} -c ${toString cfg.maxConnections} ${lib.concatStringsSep " " cfg.extraOptions}";
 
         User = cfg.user;
 
@@ -110,7 +107,7 @@ in
     };
   };
   imports = [
-    (mkRemovedOptionModule ["services" "memcached" "socket"] ''
+    (lib.mkRemovedOptionModule ["services" "memcached" "socket"] ''
       This option was replaced by a fixed unix socket path at /run/memcached/memcached.sock enabled using services.memcached.enableUnixSocket.
     '')
   ];