59d2177271
piholeDir="${2}"
^-------^ SC2034 (warning): piholeDir appears unused. Verify use (or export if used externally).
Turns out it is _actually_ unused, the full path of the gravity database is passed to the function, so we'll tidy this up rather than supressing.
Signed-off-by: Adam Warner <me@adamwarner.co.uk>