correct metadata

Signed-off-by: Caleb Cushing <xenoterracide@gmail.com>
fix skip_all

Signed-off-by: Caleb Cushing <xenoterracide@gmail.com>
improve boilerplate

Signed-off-by: Caleb Cushing <xenoterracide@gmail.com>
deprecate $UMASK being true

this change is being made because this behavior is surprising as it's
not how the unix command chmod behaves

Signed-off-by: Caleb Cushing <xenoterracide@gmail.com>