Use constant
Add custom exception for untapped formulae
Automatically install taps for cross-tap dependencies

Closes #27099.
ansible 1.5.0

Closes #27101.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Use File.expand_path
Remove libarchive from the blacklist, it's in core now
Use Formula.path
Fix libpcap blacklist message
Fix blacklist.rb syntax error

Closes #27102.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>