TIL about `--virtual`. This is very useful. >-t, --virtual NAME >Instead of adding all the packages to 'world', create a new virtual package with the listed d

TIL about `--virtual`. This is very useful. >-t, --virtual NAME >Instead of adding all the packages to 'world', create a new virtual package with the listed dependencies and add that to 'world'; the actions of the command are easily reverted by deleting the virtual package