backupninja/lib/tools.in

#!@BASH@
# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-

# This file contains functions shared between ninjahelper and backupninja.

#####################################################
## MISC FUNCTIONS

#
# create a temporary file in a secure way.
#
function maketemp() {
	if [ -x /bin/mktemp ]
	then
		local tempfile=`mktemp /tmp/$1.XXXXXXXX`
	else
		DATE=`date`
		sectmp=`echo $DATE | /usr/bin/md5sum | cut -d- -f1`
		local tempfile=/tmp/$1.$sectmp
	fi
	echo $tempfile
}

#####################################################
## CONFIG-FILE RELATED FUNCTIONS

function setfile() {
	CURRENT_CONF_FILE=$1
}

function setsection() {
	CURRENT_SECTION=$1
}

#
# sets a global var with name equal to $1
# to the value of the configuration parameter $1
# $2 is the default.
# 
function getconf() {
	CURRENT_PARAM=$1
	ret=`awk -f $libdirectory/parseini S=$CURRENT_SECTION P=$CURRENT_PARAM $CURRENT_CONF_FILE`
	# if nothing is returned, set the default
	if [ "$ret" == "" -a "$2" != "" ]; then
		ret="$2"
	fi

	# replace * with %, so that it is not globbed.
	ret="${ret//\\*/__star__}"

	# this is weird, but single quotes are needed to 
	# allow for returned values with spaces. $ret is still expanded
	# because it is in an 'eval' statement.
	eval $1='$ret'
}