fix|strip)
force_rebase=t
;;
+ warn|nowarn|error|error-all)
+ ;; # okay, known whitespace option
+ *)
+ die "fatal: Invalid whitespace option: '${1#*=}'"
+ ;;
esac
;;
--ignore-whitespace)
git_am_opt="$git_am_opt $1"
force_rebase=t
;;
+ -C*[!0-9]*)
+ die "fatal: switch \`C' expects a numerical value"
+ ;;
-C*)
git_am_opt="$git_am_opt $1"
;;