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/x11/window-managers/wmii.nix

@@ -0,0 +1,39 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.xserver.windowManager.wmii;
+  wmii = pkgs.wmii_hg;
+in
+{
+  options = {
+    services.xserver.windowManager.wmii.enable = mkEnableOption "wmii";
+  };
+
+  config = mkIf cfg.enable {
+    services.xserver.windowManager.session = singleton
+      # stop wmii by
+      #   $wmiir xwrite /ctl quit
+      # this will cause wmii exiting with exit code 0
+      # (or "mod+a quit", which is bound to do the same thing in wmiirc
+      # by default)
+      #
+      # why this loop?
+      # wmii crashes once a month here. That doesn't matter that much
+      # wmii can recover very well. However without loop the X session
+      # terminates and then your workspace setup is lost and all
+      # applications running on X will terminate.
+      # Another use case is kill -9 wmii; after rotating screen.
+      # Note: we don't like kill for that purpose. But it works (->
+      # subject "wmii and xrandr" on mailinglist)
+      { name = "wmii";
+        start = ''
+          while :; do
+            ${wmii}/bin/wmii && break
+          done
+        '';
+      };
+
+    environment.systemPackages = [ wmii ];
+  };
+}