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/wayland/wlogout/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, pkg-config
+, meson
+, ninja
+, scdoc
+, gtk3
+, libxkbcommon
+, wayland
+, wayland-protocols
+, gtk-layer-shell
+# gtk-layer-shell fails to cross-compile due to a hard dependency
+# on gobject-introspection.
+# Disable it when cross-compiling since it's an optional dependency.
+# This disables transparency support.
+, withGtkLayerShell ? (stdenv.buildPlatform == stdenv.hostPlatform)
+}:
+
+stdenv.mkDerivation rec {
+  pname = "wlogout";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    owner = "ArtsyMacaw";
+    repo = "wlogout";
+    rev = version;
+    sha256 = "cTscfx+erHVFHwwYpN7pADQWt5sq75sQSyXSP/H8kOs=";
+  };
+
+  strictDeps = true;
+  depsBuildBuild = [ pkg-config ];
+  nativeBuildInputs = [ pkg-config meson ninja scdoc ];
+  buildInputs = [
+    gtk3
+    libxkbcommon
+    wayland
+    wayland-protocols
+  ] ++ lib.optionals withGtkLayerShell [
+    gtk-layer-shell
+  ];
+
+  postPatch = ''
+    substituteInPlace style.css \
+      --replace "/usr/share/wlogout" "$out/share/${pname}"
+
+    substituteInPlace main.c \
+      --replace "/etc/wlogout" "$out/etc/${pname}"
+  '';
+
+  mesonFlags = [
+    "--datadir=${placeholder "out"}/share"
+    "--sysconfdir=${placeholder "out"}/etc"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/ArtsyMacaw/wlogout";
+    description = "A wayland based logout menu";
+    license = licenses.mit;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.unix;
+  };
+}
+# TODO: shell completions