[ -n "$RELEASE" ] && RELEASECMD="--release $RELEASE" || RELEASECMD=''
[ -n "$MIRROR" ] && MIRRORCMD="--mirror $MIRROR" || MIRRORCMD=''
[ -n "$PASSWORD" ] && PASSWORDCMD="--password $PASSWORD" || PASSWORDCMD=''
[ -n "$RELEASE" ] && RELEASECMD="--release $RELEASE" || RELEASECMD=''
[ -n "$MIRROR" ] && MIRRORCMD="--mirror $MIRROR" || MIRRORCMD=''
[ -n "$PASSWORD" ] && PASSWORDCMD="--password $PASSWORD" || PASSWORDCMD=''