uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/modules/services/network-filesystems/netatalk.nix

@@ -0,0 +1,97 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.netatalk;
+  settingsFormat = pkgs.formats.ini { };
+  afpConfFile = settingsFormat.generate "afp.conf" cfg.settings;
+in {
+  options = {
+    services.netatalk = {
+
+      enable = mkEnableOption "the Netatalk AFP fileserver";
+
+      port = mkOption {
+        type = types.port;
+        default = 548;
+        description = "TCP port to be used for AFP.";
+      };
+
+      settings = mkOption {
+        inherit (settingsFormat) type;
+        default = { };
+        example = {
+          Global = { "uam list" = "uams_guest.so"; };
+          Homes = {
+            path = "afp-data";
+            "basedir regex" = "/home";
+          };
+          example-volume = {
+            path = "/srv/volume";
+            "read only" = true;
+          };
+        };
+        description = ''
+          Configuration for Netatalk. See
+          <citerefentry><refentrytitle>afp.conf</refentrytitle>
+          <manvolnum>5</manvolnum></citerefentry>.
+        '';
+      };
+
+      extmap = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          File name extension mappings.
+          See <citerefentry><refentrytitle>extmap.conf</refentrytitle>
+          <manvolnum>5</manvolnum></citerefentry>. for more information.
+        '';
+      };
+
+    };
+  };
+
+  imports = (map (option:
+    mkRemovedOptionModule [ "services" "netatalk" option ]
+    "This option was removed in favor of `services.netatalk.settings`.") [
+      "extraConfig"
+      "homes"
+      "volumes"
+    ]);
+
+  config = mkIf cfg.enable {
+
+    services.netatalk.settings.Global = {
+      "afp port" = toString cfg.port;
+      "extmap file" = "${pkgs.writeText "extmap.conf" cfg.extmap}";
+    };
+
+    systemd.services.netatalk = {
+      description = "Netatalk AFP fileserver for Macintosh clients";
+      unitConfig.Documentation =
+        "man:afp.conf(5) man:netatalk(8) man:afpd(8) man:cnid_metad(8) man:cnid_dbd(8)";
+      after = [ "network.target" "avahi-daemon.service" ];
+      wantedBy = [ "multi-user.target" ];
+
+      path = [ pkgs.netatalk ];
+
+      serviceConfig = {
+        Type = "forking";
+        GuessMainPID = "no";
+        PIDFile = "/run/lock/netatalk";
+        ExecStart = "${pkgs.netatalk}/sbin/netatalk -F ${afpConfFile}";
+        ExecReload = "${pkgs.coreutils}/bin/kill -HUP  $MAINPID";
+        ExecStop = "${pkgs.coreutils}/bin/kill -TERM $MAINPID";
+        Restart = "always";
+        RestartSec = 1;
+        StateDirectory = [ "netatalk/CNID" ];
+      };
+
+    };
+
+    security.pam.services.netatalk.unixAuth = true;
+
+  };
+
+}