The ports do not break when deleting files with rm /var/db/portsnap/tag portsnap fetch extract
Sorry, I forget the "and" - they are two commands
rm /var/db/portsnap/tag and portsnap fetch extract.No, it don't break the ports.
(By the way, what says
freebsd-version, I have 10.1-RELEASE-p8 - but I don't know if this is related to your problem).