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/misc/taoup/default.nix

@@ -0,0 +1,66 @@
+{ lib, stdenv, fetchFromGitHub, ruby, bash, ncurses }:
+let
+  rubyEnv = ruby.withPackages (ps: with ps; [ ansi ]);
+in
+stdenv.mkDerivation rec {
+  pname = "taoup";
+  version = "1.1.16";
+
+  src = fetchFromGitHub {
+    owner = "globalcitizen";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-LNS4m7Er4dQKYDuHMF/5mAi4yGcYzppxfqVKFOT6I/s=";
+  };
+
+  buildInputs = [ rubyEnv bash ncurses ];
+
+  patches = [
+    # Pre-create a cache within this derivation
+    ./cachefile.patch
+    # Remove the need to test for `tput`, depend on ncurses directly
+    ./tput.patch
+    # Fix the script name in `taoup --help` output
+    ./help.patch
+  ];
+
+  postPatch = ''
+    substituteInPlace taoup \
+     --subst-var-by ncurses ${ncurses} \
+     --subst-var-by pname ${pname}
+    substituteInPlace taoup-fortune \
+      --subst-var-by out $out \
+      --replace "/bin/bash" "${bash}/bin/bash"
+  '';
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/{bin,lib/taoup}
+
+    cp taoup $out/lib/taoup
+    cat > $out/bin/taoup <<EOF
+    #!${bash}/bin/bash
+    exec ${rubyEnv}/bin/ruby "$out/lib/taoup/taoup" "\$@"
+    EOF
+    chmod +x $out/bin/taoup
+
+    # Populate the cache created by cachedir.patch above
+    $out/bin/taoup > $out/lib/taoup/cache
+
+    cp taoup-fortune $out/bin
+    chmod +x $out/bin/taoup-fortune
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "The Tao of Unix Programming (Ruby-powered ANSI colored fortunes)";
+    homepage = "https://github.com/globalcitizen/taoup";
+    license = lib.licenses.gpl3Only;
+    maintainers = [ lib.maintainers.zakame ];
+  };
+}