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/rarcrack/default.nix

@@ -0,0 +1,40 @@
+{lib, stdenv, fetchFromGitHub, libxml2, file, p7zip, unrar, unzip}:
+
+stdenv.mkDerivation {
+  pname = "rarcrack";
+  version = "0.2";
+
+  src = fetchFromGitHub {
+    owner = "jaredsburrows";
+    repo = "Rarcrack";
+    rev = "35ead64cd2b967eec3e3e3a4c328b89b11ff32a0";
+    sha256 = "134fq84896w5vp8vg4qg0ybpb466njibigyd7bqqm1xydr07qrgn";
+  };
+
+  nativeBuildInputs = [ unzip ];
+  buildInputs = [ libxml2 file p7zip unrar ];
+  buildFlags = lib.optional stdenv.cc.isClang "CC=clang";
+  installFlags = [ "PREFIX=\${out}" ];
+
+  patchPhase = ''
+   substituteInPlace rarcrack.c --replace "file -i" "${file}/bin/file -i"
+  '';
+
+  preInstall = ''
+    mkdir -p $out/bin
+  '';
+
+  meta = with lib; {
+    description = "This program can crack zip,7z and rar file passwords";
+    longDescription = ''
+    If you forget your password for compressed archive (rar, 7z, zip), this program is the solution.
+    This program uses bruteforce algorithm to find correct password. You can specify wich characters will be used in password generations.
+    Warning: Please don't use this program for any illegal things!
+    '';
+    homepage = "https://github.com/jaredsburrows/Rarcrack";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ davidak ];
+    platforms = with platforms; unix;
+  };
+}
+