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/archivers/torrent7z/default.nix

@@ -0,0 +1,53 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, ncurses }:
+
+stdenv.mkDerivation rec {
+  pname = "torrent7z";
+  version = "1.3";
+
+  src = fetchFromGitHub {
+    owner = "BubblesInTheTub";
+    repo = pname;
+    rev = version;
+    sha256 = "Y2tr0+z9uij4Ifi6FfWRN24BwcDXUZKVLkLtKUiVjU4=";
+  };
+
+  patches = [
+    (fetchpatch {
+      name = "fix-gcc10-compilation.patch"; # Fix compilation on GCC 10. This patch is included on the latest commit
+      url =
+        "https://github.com/paulyc/torrent7z/commit/5958f42a364c430b3ed4ac68911bbbea1f967fc4.patch";
+      sha256 = "vJOv1sG9XwTvvxQiWew0H5ALoUb9wIAouzTsTvKHuPI=";
+    })
+  ];
+
+  buildInputs = [ ncurses ];
+
+  hardeningDisable = [ "format" ];
+
+  postPatch = ''
+    # Remove non-free RAR source code
+    # (see DOC/License.txt, https://fedoraproject.org/wiki/Licensing:Unrar)
+    rm -r linux_src/p7zip_4.65/CPP/7zip/Compress/Rar*
+    find . -name makefile'*' -exec sed -i '/Rar/d' {} +
+  '';
+
+  preConfigure = ''
+    mkdir linux_src/p7zip_4.65/bin
+    cd linux_src/p7zip_4.65/CPP/7zip/Bundles/Alone
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ../../../../bin/t7z $out/bin
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/BubblesInTheTub/torrent7z";
+    description = "A fork of torrent7z, viz a derivative of 7zip that produces invariant .7z archives for torrenting";
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ cirno-999 ];
+    mainProgram = "t7z";
+    # RAR code is under non-free UnRAR license, but we remove it
+    license = licenses.gpl3Only;
+  };
+}