require 'formula' class GnuTar < Formula url 'http://ftpmirror.gnu.org/tar/tar-1.26.tar.gz' mirror 'http://ftp.gnu.org/gnu/tar/tar-1.26.tar.gz' homepage 'http://www.gnu.org/software/tar/' md5 '00d1e769c6af702c542cca54b728920d' def options [['--default-names', "Do NOT prepend 'g' to the binary; will override system tar."]] end def install args = [ "--prefix=#{prefix}" , "--mandir=#{man}" ] args << "--program-prefix=g" unless ARGV.include? '--default-names' system "./configure", *args system "make install" end end