I once rm-ed my home directory when I was writing and testing a script, but turned out the stuff like .m2, .ivy2 are huge and they are the first ones by default

I once rm-ed my home directory when I was writing and testing a script, but turned out the stuff like .m2, .ivy2 are huge and they are the first ones by default to be deleted by 'rm -rf'. So they kind of gave me some buffering time to figure out that something was wrong.