Log Message:
lua-rocks: Force pkgsrc unzip.

Otherwise it complains:

Error: Failed unpacking rock file: \ 
/tmp/luarocks_luarocks-rock-digestif-0.3-1-B5qFAU/digestif-0.3-1.src.rock: \ 
'unzip -n' program not found. Make sure unzip is installed and is available in \ 
your PATH (or you may want to edit the 'variables.UNZIP' value in file \ 
'/usr/pkg/etc/luarocks/config-5.4.lua')