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/dropbox/default.nix

@@ -0,0 +1,86 @@
+{ stdenv, lib, buildFHSUserEnv, writeScript, makeDesktopItem }:
+
+let platforms = [ "i686-linux" "x86_64-linux" ]; in
+
+assert lib.elem stdenv.hostPlatform.system platforms;
+
+# Dropbox client to bootstrap installation.
+# The client is self-updating, so the actual version may be newer.
+let
+  version = "111.3.447";
+
+  arch = {
+    x86_64-linux = "x86_64";
+    i686-linux   = "x86";
+  }.${stdenv.hostPlatform.system};
+
+  installer = "https://clientupdates.dropboxstatic.com/dbx-releng/client/dropbox-lnx.${arch}-${version}.tar.gz";
+in
+
+let
+  desktopItem = makeDesktopItem {
+    name = "dropbox";
+    exec = "dropbox";
+    comment = "Sync your files across computers and to the web";
+    desktopName = "Dropbox";
+    genericName = "File Synchronizer";
+    categories = [ "Network" "FileTransfer" ];
+    startupNotify = false;
+    icon = "dropbox";
+  };
+in
+
+buildFHSUserEnv {
+  name = "dropbox";
+
+  targetPkgs = pkgs: with pkgs; with xorg; [
+    libICE libSM libX11 libXcomposite libXdamage libXext libXfixes libXrender
+    libXxf86vm libxcb xkeyboardconfig
+    curl dbus firefox-bin fontconfig freetype gcc glib gnutar libxml2 libxslt
+    procps zlib mesa libxshmfence libpthreadstubs libappindicator
+  ];
+
+  extraInstallCommands = ''
+    mkdir -p "$out/share/applications"
+    cp "${desktopItem}/share/applications/"* $out/share/applications
+  '';
+
+  runScript = writeScript "install-and-start-dropbox" ''
+    export BROWSER=firefox
+
+    set -e
+
+    do_install=
+    if ! [ -d "$HOME/.dropbox-dist" ]; then
+        do_install=1
+    else
+        installed_version=$(cat "$HOME/.dropbox-dist/VERSION")
+        latest_version=$(printf "${version}\n$installed_version\n" | sort -rV | head -n 1)
+        if [ "x$installed_version" != "x$latest_version" ]; then
+            do_install=1
+        fi
+    fi
+
+    if [ -n "$do_install" ]; then
+        installer=$(mktemp)
+        # Dropbox is not installed.
+        # Download and unpack the client. If a newer version is available,
+        # the client will update itself when run.
+        curl '${installer}' >"$installer"
+        pkill dropbox || true
+        rm -fr "$HOME/.dropbox-dist"
+        tar -C "$HOME" -x -z -f "$installer"
+        rm "$installer"
+    fi
+
+    exec "$HOME/.dropbox-dist/dropboxd" "$@"
+  '';
+
+  meta = with lib; {
+    description = "Online stored folders (daemon version)";
+    homepage    = "http://www.dropbox.com/";
+    license     = licenses.unfree;
+    maintainers = with maintainers; [ ttuegel ];
+    platforms   = [ "i686-linux" "x86_64-linux" ];
+  };
+}