#!/usr/bin/bash
#
# Backup and remove all student home directories.

set -eu

HDIRS='/home/'
DIRS=()

for DIR in $(find $HDIRS -maxdepth 1 -mindepth 1 -type d) ; do
    H="$(basename $DIR)"
    if [[ "$H" =~ ^L_ ]] || [[ "$H" =~ ansible ]] ; then
	echo "Skipping home of '$H'."
	continue
    fi
    DIRS+=("$DIR") 
done
[[ "${#DIRS[@]}" -eq 0 ]] && exit 0

tar czf "/var/backups/homes_$(date -I).tar.gz" -C "$HDIRS" \
    -P --transform="s%$HDIRS%%" "${DIRS[@]}"
rm -rf "${DIRS[@]}"
echo "Archived and removed: ${DIRS[@]}"
