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freeze-thaw/thaw.sh
Chuck Hawley (chawley/shawshank) 296e5fb4de Initial commit
2017-10-09 17:16:27 -04:00

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#!/usr/bin/env bash
#===============================================================================
#
# FILE: thaw.sh
#
# USAGE: sudo ./thaw.sh
#
# DESCRIPTION: Part of the Freeze/Thaw set of scripts. This script extracts a
# tarball of the users home directory
#
# OPTIONS: ---
# REQUIREMENTS: Must be run at boot:
# Save this script in the /etc/init.d/ directory.
# Make it executable (chmod 755 /ect/init.d/thaw.sh)
# Then run 'update-rc.d thaw.sh defaults' (no quotes)
# BUGS: ---
# NOTES: Inspired by:
# http://www.linuxquestions.org/linux/answers/Applications_GUI_Multimedia/Deepfreeze_for_Linux
# Runlevel info:
# http://embraceubuntu.com/2005/09/07/adding-a-startup-script-to-be-run-at-bootup/
# AUTHOR: C Hawley
# COMPANY:
# VERSION: 1.0
# CREATED: 02/24/2011 12:18:55 PM EST
# REVISION: Mon 09 Oct 2017 05:16:19 PM EDT
#===============================================================================
set -o nounset # Treat unset variables as an error
# Check for empty argument
if [ -z "${1:-}" ]; then
arg="undefined"
echo "You must specify the username and archive location"
exit 1
fi
frozenuser="${1}"
frozenarchive="${2}/${frozenuser}.frozen.tgz"
# remove existing user directory
rm -rf /home/"${frozenuser}"
# extract user tarball
# tar options:
# -p extract all protection information
# -P don't strip leading '/'s from file names
tar -xpPf "${frozenarchive}" -C /