#!/bin/zsh setopt extendedglob nomatch errreturn integer ret=0 br=0 cd /var/lib/archbuild if btrfs filesystem df . &>/dev/null; then remove() { btrfs sub del $1 } else remove() { rm -rf $1 } fi for chroot in */^root(/Nmh+12); do exec 9>>| $chroot.lock if ! flock -n 9; then echo "<5>Not deleting $chroot; in use" continue fi echo "<6>Deleting $chroot" if ! remove $chroot &>/dev/null; then echo "<3>Error deleting $chroot" ret=1 fi # We don't remove the lockfile. Less races that way done exit $ret