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/monitoring/prometheus/exporters/bind.nix

@@ -0,0 +1,54 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.bind;
+in
+{
+  port = 9119;
+  extraOpts = {
+    bindURI = mkOption {
+      type = types.str;
+      default = "http://localhost:8053/";
+      description = ''
+        HTTP XML API address of an Bind server.
+      '';
+    };
+    bindTimeout = mkOption {
+      type = types.str;
+      default = "10s";
+      description = ''
+        Timeout for trying to get stats from Bind.
+      '';
+    };
+    bindVersion = mkOption {
+      type = types.enum [ "xml.v2" "xml.v3" "auto" ];
+      default = "auto";
+      description = ''
+        BIND statistics version. Can be detected automatically.
+      '';
+    };
+    bindGroups = mkOption {
+      type = types.listOf (types.enum [ "server" "view" "tasks" ]);
+      default = [ "server" "view" ];
+      description = ''
+        List of statistics to collect. Available: [server, view, tasks]
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.prometheus-bind-exporter}/bin/bind_exporter \
+          --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+          --bind.pid-file /var/run/named/named.pid \
+          --bind.timeout ${toString cfg.bindTimeout} \
+          --bind.stats-url ${cfg.bindURI} \
+          --bind.stats-version ${cfg.bindVersion} \
+          --bind.stats-groups ${concatStringsSep "," cfg.bindGroups} \
+          ${concatStringsSep " \\\n  " cfg.extraFlags}
+      '';
+    };
+  };
+}