dpkg_backup.sh

#! /bin/bash
# Author: 	Nyle Davis			Created 12-05-16
# Purpose:	Backup all installed package or Recover from backup
# File:		dpkg_backup.sh
# Run this with command:
# sudo bash ../Scripts/Backups/dpkg_backup.sh (options:
#				1=mode=:backup, restore
#				2=default, network or backup path)
echo "DPkg Backup Processing Started! ";

# Declare files and dirs
$b_pth="/backups/Laptops/Aspire/";
flname="${b_pth}/dpkg_backup_("`eval date +%Y-%m-%d`").txt";
trname="${b_pth}/dpkg_backup_("`eval date +%Y-%m-%d`").tgz";
ispath='/home/files/Installer Packages/dpkg-installs';
# sc_pth="/home/ndavis/myfiles/Scripts/Backups";  Primary Path (from Aspire)
sc_pth="/Scripts/Backups";								# Secondary Path (from DT)

# Get arguments
if [ "${b_pth}" != "/backups/Laptops/Aspire/" ]; then
	run_type=$1;
	cd "${path}";
	if [ ${2} = "default" ]; then
		path='/backups/Laptops/Aspire';
	elif [ ${2} = "network" ]; then
		path='/mnt/New_DT/backups/Laptops/Aspire';
	elif [ ${2} != "" ]; then
		path=${2};
	elif [ $1 = "" & $2 = "" ]; then
		echo "No option chosen! ";
		exit;
	fi
else
	run_type="backup";
	path=${b_pth};
fi

# Run DPKG capture for all currently installed apps
echo "Backing Up DPKG Apps! ";
cd "${path}";
if [ ${run_type} = "backup" ]; then
	rm -f ${flname};
	dpopt='--get-selections';
	dpkg ${dpopt} > ${flname};
	tar -czf ${trname} ${flname};
	rm -f ${flname};
elif [ ${run_type} = "restore" ]; then
	dpopt='--set-selections';
	res_opts='& dselect install';
	dpkg ${dpopt} < ${flname} ${res_opts};
fi