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/version-management/git-and-tools/diff-so-fancy/default.nix

@@ -0,0 +1,57 @@
+{lib, stdenv, git, perl, ncurses, coreutils, fetchFromGitHub, makeWrapper, ...}:
+
+stdenv.mkDerivation rec {
+  pname = "diff-so-fancy";
+  version = "1.4.3";
+
+  src = fetchFromGitHub {
+    owner = "so-fancy";
+    repo = "diff-so-fancy";
+    rev = "v${version}";
+    sha256 = "sha256-/xdBvq2u1s5/yzjwr3MLxpaD1CNktcPijXJTKW3Bc4c=";
+  };
+
+  nativeBuildInputs = [
+    makeWrapper
+  ];
+
+  buildInputs = [
+    perl # needed for patchShebangs
+  ];
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/lib/diff-so-fancy
+
+    # diff-so-fancy executable searches for it's library relative to
+    # itself, so we are copying executable to lib, and only symlink it
+    # from bin/
+    cp diff-so-fancy $out/lib/diff-so-fancy
+    cp -r lib $out/lib/diff-so-fancy
+    ln -s $out/lib/diff-so-fancy/diff-so-fancy $out/bin
+
+    # ncurses is needed for `tput`
+    wrapProgram $out/lib/diff-so-fancy/diff-so-fancy \
+      --prefix PATH : "${git}/share/git/contrib/diff-highlight" \
+      --prefix PATH : "${git}/bin" \
+      --prefix PATH : "${coreutils}/bin" \
+      --prefix PATH : "${ncurses.out}/bin"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/so-fancy/diff-so-fancy";
+    description = "Good-looking diffs filter for git";
+    license = licenses.mit;
+    platforms = platforms.all;
+    longDescription = ''
+      diff-so-fancy builds on the good-lookin' output of git contrib's
+      diff-highlight to upgrade your diffs' appearances.
+    '';
+    maintainers = with maintainers; [ fpletz globin ma27 ];
+  };
+}