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#!/bin/bash
#
# Copyright (c) 2013 SUSE
#
# Written by Matthias G. Eckermann <mge@suse.com>
#
# Run this shell script to delete a USER and all data in $HOME
#
# GLOBAL Settings
#
CMD_BTRFS="/sbin/btrfs"
CMD_SNAPPER="/usr/bin/snapper"
CMD_EGREP="grep -E"
CMD_PAM_CONFIG="/usr/sbin/pam-config"
CMD_SED="sed"
CMD_USERADD="useradd -m"
CMD_USERDEL="userdel -r"
CMD_CHOWN="chown"
#
SNAPPERCFGDIR="/etc/snapper/configs"
HOMEHOME=/home
DRYRUN=1
MYUSER=$1
# Usage
if [ "0$MYUSER" == "0" ]; then
echo "USAGE: $0 <username>"
exit 1
fi
# Sanity-Check: ist $HOMEHOME a btrfs filesystem
${CMD_BTRFS} filesystem df ${HOMEHOME} 2>&1 > /dev/null
RETVAL=$?
if [ ${RETVAL} != 0 ]; then
echo "ERROR $0: ${HOMEHOME} is not on btrfs. Exiting ..."
exit 2
fi
if [ ${DRYRUN} == 0 ] ; then
# Delete the snapper configuration
# This deletes $SNAPPERCFGDIR/home_${MYUSER}
# removes "home_${MYUSER}" from /etc/sysconfig/snapper
# and deletes all snapshots
${CMD_SNAPPER} -c home_${MYUSER} delete-config
# Delete the USER's home subvolume
${CMD_BTRFS} subvol delete /${HOMEHOME}/${MYUSER}
# Delete the USER
${CMD_USERDEL} ${MYUSER}
else
echo -e "#"
echo "DRYRUN - no changes submitted"
fi
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