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/networking/instant-messengers/tensor/default.nix

@@ -0,0 +1,69 @@
+{ mkDerivation
+, lib
+, stdenv
+, fetchFromGitHub
+, qtbase
+, qtquickcontrols
+, qmake
+, makeDesktopItem
+}:
+
+# we now have libqmatrixclient so a future version of tensor that supports it
+# should use that
+
+mkDerivation rec {
+  pname = "tensor";
+  version = "unstable-2017-02-21";
+
+  src = fetchFromGitHub {
+    owner = "davidar";
+    repo = "tensor";
+    rev = "f3f3056d770d7fb4a21c610cee7936ee900569f5";
+    sha256 = "sha256-aR6TsfUxsxoSDaIWYgRCwd7BCgekSEqY6LpDoQ5DNqY=";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [ qtbase qtquickcontrols ];
+  nativeBuildInputs = [ qmake ];
+
+  desktopItem = makeDesktopItem {
+    name = "tensor";
+    exec = "@bin@";
+    icon = "tensor.png";
+    comment = meta.description;
+    desktopName = "Tensor Matrix Client";
+    genericName = meta.description;
+    categories = [ "Chat" "Utility" ];
+    mimeTypes = [ "application/x-chat" ];
+  };
+
+  installPhase = if stdenv.isDarwin then ''
+    runHook preInstall
+
+    mkdir -p $out/Applications
+    cp -r tensor.app $out/Applications/tensor.app
+
+    runHook postInstall
+  '' else ''
+    runHook preInstall
+
+    install -Dm755 tensor $out/bin/tensor
+    install -Dm644 client/logo.png \
+                   $out/share/icons/hicolor/512x512/apps/tensor.png
+    install -Dm644 ${desktopItem}/share/applications/tensor.desktop \
+                   $out/share/applications/tensor.desktop
+
+    substituteInPlace $out/share/applications/tensor.desktop \
+      --subst-var-by bin $out/bin/tensor
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://matrix.org/docs/projects/client/tensor.html";
+    description = "Cross-platform Qt5/QML-based Matrix client";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ peterhoeg ];
+    inherit (qtbase.meta) platforms;
+  };
+}