this will be used by a future query tool

- prevent $BASE repetition
- use var instead of magic string

you can scan all archived repositories by using -a switch

Usefull in service output

Works need to be done to autodetect last version

Expand code generating package directory to add a all directory with all packages
inside it (without subdir)

The only one is $LAST, because it needs to be updated only when rsync was
successful

Arch Rollback Machine tools has they are