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# source this file to get some commonly
# used functions in the rdup-utils.
# show the version of the tool
version() {
echo "$PROGNAME: @PACKAGE_VERSION@ (rdup-utils)"
}
# cleanup any stuff and exit
cleanup() {
_echo2 "Signal received while processing \`$path', exiting"
if [[ ! -z $TMPDIR ]]; then
rm -rf $TMPDIR
fi
unlock /var/lock/rdup
exit 1
}
# echo to standard error
_echo2() {
echo "** $PROGNAME: $1" >&2
}
# find out what kind of snapshot to make
what() {
_DAYS=$1
_BACKUPDIR=$2
_NOW=$3
i=1
if [[ -d $_BACKUPDIR/$_NOW ]]; then
# already there do not link
return 0
fi
# linux thing
while [[ $i -le $DAYS ]]; do
dir=`$GNU_DATE +%Y%m/%d --date "$i days ago"`
if [[ -d $_BACKUPDIR/$dir ]]; then
# copy 'em over
_echo2 "Linking dir: \`$_BACKUPDIR/$dir'"
$GNU_CP -plr $_BACKUPDIR/$dir $_BACKUPDIR/$_NOW
return 0
fi
(( i++ ))
done
return 1
}
# create ~/.rdup
create_rdup() {
if [[ ! -d $1 ]]; then
mkdir $1
fi
return 0
}
lock() {
(umask 222; echo "Backup locked by PID: $$" >"$1" ) ||
(cat "$1" ; echo "aborting..." ; exit 1)
[ $? = 0 ] || exit 1
}
unlock() {
rm -f "$1"
}
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