{stdenv, fetchurl, bzip2}: stdenv.mkDerivation { name = "rzip-2.1"; src = fetchurl { url = http://rzip.samba.org/ftp/rzip/rzip-2.1.tar.gz; sha256 = "4bb96f4d58ccf16749ed3f836957ce97dbcff3e3ee5fd50266229a48f89815b7"; }; buildInputs = [ bzip2 ]; meta = { homepage = http://rzip.samba.org/; description = "Compression program"; license = stdenv.lib.licenses.gpl2Plus; }; }