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>

pkgs/tools/inputmethods/touchegg/default.nix

@@ -0,0 +1,76 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, fetchpatch
+, nix-update-script
+, systemd
+, libinput
+, pugixml
+, cairo
+, xorg
+, gtk3-x11
+, pcre
+, pkg-config
+, cmake
+, pantheon
+, withPantheon ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "touchegg";
+  version = "2.0.14";
+
+  src = fetchFromGitHub {
+    owner = "JoseExposito";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-2ZuFZ2PHhbxNTmGdlZONgPfEJC7lI5Rc6dgiBj7VG2o=";
+  };
+
+  patches = lib.optionals withPantheon [
+    # Disable per-application gesture by default to make sure the default
+    # config does not conflict with Pantheon switchboard settings.
+    (fetchpatch {
+      url = "https://github.com/elementary/os-patches/commit/7d9b133e02132d7f13cf2fe850b2fe4c015c3c5e.patch";
+      sha256 = "sha256-ZOGVkxiXoTORXC6doz5r9IObAbYjhsDjgg3HtzlTSUc=";
+    })
+  ];
+
+  nativeBuildInputs = [
+    pkg-config
+    cmake
+  ];
+
+  buildInputs = [
+    systemd
+    libinput
+    pugixml
+    cairo
+    gtk3-x11
+    pcre
+  ] ++ (with xorg; [
+    libX11
+    libXtst
+    libXrandr
+    libXi
+    libXdmcp
+    libpthreadstubs
+    libxcb
+  ]);
+
+  PKG_CONFIG_SYSTEMD_SYSTEMDSYSTEMUNITDIR = "${placeholder "out"}/lib/systemd/system";
+
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/JoseExposito/touchegg";
+    description = "Linux multi-touch gesture recognizer";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+    maintainers = teams.pantheon.members;
+  };
+}