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/applications/misc/dmensamenu/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildPythonApplication, fetchFromGitHub, substituteAll, requests, dmenu }:
+
+buildPythonApplication rec {
+  pname = "dmensamenu";
+  version = "1.2.2";
+
+  src = fetchFromGitHub {
+    owner = "dotlambda";
+    repo = "dmensamenu";
+    rev = version;
+    sha256 = "1ck1i1k40bli6m3n49ff6987hglby9fn4vfr28jpkm3h70s2km3n";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./dmenu-path.patch;
+      inherit dmenu;
+    })
+  ];
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  # No tests implemented
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/dotlambda/dmensamenu";
+    description = "Print German canteen menus using dmenu and OpenMensa";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}

pkgs/applications/misc/dmensamenu/dmenu-path.patch

@@ -0,0 +1,13 @@
+diff --git a/dmensamenu/dmensamenu.py b/dmensamenu/dmensamenu.py
+index 7df49f2..052ef1b 100644
+--- a/dmensamenu/dmensamenu.py
++++ b/dmensamenu/dmensamenu.py
+@@ -99,7 +99,7 @@ def main():
+     parser.add_argument('--city',
+                         help='When searching for a canteen, only show the ones from the city specified'
+                             +' (case-insensitive).')
+-    parser.add_argument('--dmenu', metavar='CMD', default='dmenu -i -l "$lines" -p "$date"',
++    parser.add_argument('--dmenu', metavar='CMD', default='@dmenu@/bin/dmenu -i -l "$lines" -p "$date"',
+                         help='Command to execute. '
+                              'Can be used to pass custom parameters to dmenu. '
+                              'The shell variable $lines will be set to the number of items on the menu '