These dependencies are automatically detected from the URL, so declaring
them is redundant. If these formulae ever get a head or devel spec, then
explicit xz deps would need to be re-scoped appropriately. Thus we
should remove them.
A lightweight Perl script for checking for "bashims" in POSIX shell scripts.
ClosesHomebrew/homebrew#21232.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
