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/sync/rsync/default.nix

@@ -0,0 +1,59 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchpatch
+, perl
+, libiconv
+, zlib
+, popt
+, enableACLs ? lib.meta.availableOn stdenv.hostPlatform acl
+, acl
+, enableLZ4 ? true
+, lz4
+, enableOpenSSL ? true
+, openssl
+, enableXXHash ? true
+, xxHash
+, enableZstd ? true
+, zstd
+, enableCopyDevicesPatch ? false
+, nixosTests
+}:
+
+let
+  base = import ./base.nix { inherit lib fetchurl fetchpatch; };
+in
+stdenv.mkDerivation rec {
+  pname = "rsync";
+  version = base.version;
+
+  mainSrc = base.src;
+
+  patchesSrc = base.upstreamPatchTarball;
+
+  srcs = [ mainSrc ] ++ lib.optional enableCopyDevicesPatch patchesSrc;
+  patches = lib.optional enableCopyDevicesPatch "./patches/copy-devices.diff";
+
+  buildInputs = [ libiconv zlib popt ]
+    ++ lib.optional enableACLs acl
+    ++ lib.optional enableZstd zstd
+    ++ lib.optional enableLZ4 lz4
+    ++ lib.optional enableOpenSSL openssl
+    ++ lib.optional enableXXHash xxHash;
+  nativeBuildInputs = [ perl ];
+
+  configureFlags = [
+    "--with-nobody-group=nogroup"
+
+    # disable the included zlib explicitly as it otherwise still compiles and
+    # links them even.
+    "--with-included-zlib=no"
+  ];
+
+  passthru.tests = { inherit (nixosTests) rsyncd; };
+
+  meta = base.meta // {
+    description = "A fast incremental file transfer utility";
+    maintainers = with lib.maintainers; [ ehmry kampfschlaefer ];
+  };
+}