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/logging/vector.nix

@@ -0,0 +1,64 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let cfg = config.services.vector;
+
+in
+{
+  options.services.vector = {
+    enable = mkEnableOption "Vector";
+
+    journaldAccess = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Enable Vector to access journald.
+      '';
+    };
+
+    settings = mkOption {
+      type = (pkgs.formats.json { }).type;
+      default = { };
+      description = ''
+        Specify the configuration for Vector in Nix.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    users.groups.vector = { };
+    users.users.vector = {
+      description = "Vector service user";
+      group = "vector";
+      isSystemUser = true;
+    };
+    systemd.services.vector = {
+      description = "Vector event and log aggregator";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network-online.target" ];
+      requires = [ "network-online.target" ];
+      serviceConfig =
+        let
+          format = pkgs.formats.toml { };
+          conf = format.generate "vector.toml" cfg.settings;
+          validateConfig = file:
+            pkgs.runCommand "validate-vector-conf" { } ''
+              ${pkgs.vector}/bin/vector validate --no-environment "${file}"
+              ln -s "${file}" "$out"
+            '';
+        in
+        {
+          ExecStart = "${pkgs.vector}/bin/vector --config ${validateConfig conf}";
+          User = "vector";
+          Group = "vector";
+          Restart = "no";
+          StateDirectory = "vector";
+          ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+          AmbientCapabilities = "CAP_NET_BIND_SERVICE";
+          # This group is required for accessing journald.
+          SupplementaryGroups = mkIf cfg.journaldAccess "systemd-journal";
+        };
+    };
+  };
+}