while
case "$#,$1" in
0,*) break ;;
*,-n) no_checkout=yes ;;
*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
while
case "$#,$1" in
0,*) break ;;
*,-n) no_checkout=yes ;;
*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)