Report quantity of files being installed by minimal and diff options.
Report quantity of files being installed by minimal and diff options.

Also consolidate some unset commands.

(cherry picked from commit 32912ae833a016784cbb4813c45960cefc2d896b)

phil-davis/pfsense,pfsense/pfsense,dennypage/pfsense,NOYB/pfsense,brunostein/pfsense,pfsense/pfsense,jxmx/pfsense,phil-davis/pfsense,phil-davis/pfsense,dennypage/pfsense,ptorsten/pfsense,dennypage/pfsense,jxmx/pfsense,NewEraCracker/pfsense,brunostein/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,jxmx/pfsense,pfsense/pfsense,brunostein/pfsense,phil-davis/pfsense,NOYB/pfsense,pfsense/pfsense,dennypage/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,NOYB/pfsense