backup

#!/bin/bash

# See the example .backup.conf for configuration options and details.

function fn_exists() {
	type $1 2>/dev/null | fgrep -ic function > /dev/null;
}

function incl_excl() {

	# Function turning a space-separated string into include / exclude (or any
	# other) parameters. The first parameter is the string, the second is the
	# desired parameter name (default: "exclude"), the third is any prefix to
	# prepend to patterns, the fourth is a boolean indicating whether to
	# escape the prefix.

	INEX=$1
	PARAM=${2-exclude}
	PREFIX=$3
	
	[[ $4 && $PREFIX ]] && PREFIX=$(echo $PREFIX | perl -ple 's|/|\\/|g');

	INEX=$(echo "$INEX" | sed -r 's/(\s+$|^\s+)//g')
	INEX=$(echo "$INEX" | sed -r "s/(\s+|^)([^[:space:]]+)/ --$PARAM=$PREFIX\2/g")
	echo "$INEX"
}

CONFFILE="./.backup.conf"
WORKDIR=$(pwd)
SCRDIR=$(dirname $0)

# Attempt to source backup system configuration file

if ! source $CONFFILE; then
	echo "Cannot source configuration file in working directory!"
	exit 1
fi

# Call the init function, if available
# Useful to change working dir

fn_exists _backup_init && _backup_init

# Source appropriate module

if [ $DURL ]; then
	source $SCRDIR/lib/backup-dup.sh
else
	source $SCRDIR/lib/backup-tar.sh
fi

# Call the cleanup function, if available

fn_exists _backup_cleanup && _backup_cleanup