up
ls
2015_11_19_NixOS_nixpkgs_download_test_by_martin_vahi_at_softf1_com.tar.bz2spacer~300MiB,
sha256 ==
f05cf8bb85527a14f22adf0e2b3a7fa56f63461b7580620e4d54204c4d2db1ba