#!/bin/bash

putcmd="scp"
remotehost="drg@iceberg"
remotedir="/vol1/drg/backup/drg"
tmpdir="/tmp"
datefmt="%F_%H-%M"		# 2006-01-11_13-44
taropts="-jc"
tarext="tar.bz2"
cryptcmd="gpg -c"

usage() {
	echo "usage: $0 <directory or file> [-c]"
	echo -e "\t-c - crypt file with ,,$cryptcmd''"
	exit
}

if [ ! $1 ]; then
	usage
fi

if [ "x$2" == "x-c" ]; then
	crypt=1
else
	crypt=0
fi

dir="$1"

if [ ! -d $dir ]; then
	echo "unfortunately $dir isn't a directory.."
	if [ -f $xir ]; then
		echo "but.. $dir is a file and i will backup it.."
	else
		usage
	fi
fi

dirname=`basename $dir`
date=`date +$datefmt`
archive="$dirname-$date.$tarext"
tmparchive="$tmpdir/$archive-tmp"

cmd="tar $taropts -f $tmparchive $dir"
echo "executing '$cmd'..."
$cmd
if [ $crypt -eq 1 ]; then
	cmd="$cryptcmd $tmparchive"
	echo "executing '$cmd'..."
	$cmd
	rm -f $tmparchive
	tmparchive="$tmparchive.gpg"
fi
cmd="$putcmd $tmparchive $remotehost:$remotedir/$archive"
echo "executing '$cmd'..."
$cmd
rm -f $tmparchive