Get it working
Get it working on complex PKGBUILDs such as  split packages
sanity checks
figure out automation
test test test 
carefully monitored test run on parabola servers
decide on location for tarballs a Dir list enabled directory on the parabola.nu server would probably be fine
automate moving of tarballs to the correct dir
if all is sane, remove rolling of source tarballs from libretools.