odbackup/odbackup $PREFIX/sbin || abort "install odbackup"
launchctl list de.maccc.odbackup >/dev/null 2>&1
if [ $? -eq 0 ]; then
+ msg "Unloading existing launch daemon configuration ..."
launchctl unload -w \
/Library/LaunchDaemons/de.maccc.odbackup.plist \
|| abort "unloading de.maccc.odbackup.plist"