case "${ACTION}" in pre) # Due to some reasons, some old timezone was kept # The latest one would be Canada/East-Saskatchewan in 2017c # Don't force remove on everyone since it will spit error on update if [ -f usr/share/zoneinfo/right/Canada/East-Saskatchewan ]; then rm -rf usr/share/zoneinfo/posix rm -rf usr/share/zoneinfo/right fi ;; esac