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/security/metasploit/default.nix

@@ -0,0 +1,65 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, makeWrapper
+, ruby
+, bundlerEnv
+, python3
+}:
+
+let
+  env = bundlerEnv {
+    inherit ruby;
+    name = "metasploit-bundler-env";
+    gemdir = ./.;
+  };
+in stdenv.mkDerivation rec {
+  pname = "metasploit-framework";
+  version = "6.2.1";
+
+  src = fetchFromGitHub {
+    owner = "rapid7";
+    repo = "metasploit-framework";
+    rev = version;
+    sha256 = "sha256-0BskBkQjj3qvNtaTj4tR4BStVYvyiZ58IICPnP7yhBI=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ (python3.withPackages (ps: [ ps.requests ])) ];
+
+  dontPatchELF = true; # stay away from exploit executables
+
+  installPhase = ''
+    mkdir -p $out/{bin,share/msf}
+
+    cp -r * $out/share/msf
+
+    grep -rl "^#\!.*python2$" $out/share/msf | xargs -d '\n' rm
+
+    (
+      cd $out/share/msf/
+      for i in msf*; do
+        makeWrapper ${env}/bin/bundle $out/bin/$i \
+          --add-flags "exec ${ruby}/bin/ruby $out/share/msf/$i"
+      done
+    )
+
+    makeWrapper ${env}/bin/bundle $out/bin/msf-pattern_create \
+      --add-flags "exec ${ruby}/bin/ruby $out/share/msf/tools/exploit/pattern_create.rb"
+
+    makeWrapper ${env}/bin/bundle $out/bin/msf-pattern_offset \
+      --add-flags "exec ${ruby}/bin/ruby $out/share/msf/tools/exploit/pattern_offset.rb"
+  '';
+
+  # run with: nix-shell maintainers/scripts/update.nix --argstr path metasploit
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "Metasploit Framework - a collection of exploits";
+    homepage = "https://github.com/rapid7/metasploit-framework/wiki";
+    platforms = platforms.unix;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fab makefu ];
+    mainProgram = "msfconsole";
+  };
+}