issue with brew
brew install gnu-tar
cd /usr/bin
sudo ln -s /usr/local/opt/gnu-tar/libexec/gnubin/tar gnutar
http://day-to-day-stuff.blogspot.ru/2013/11/installing-gnutar-on-maverick.html
http://osxdaily.com/2014/08/14/add-new-path-to-path-command-line/