- if test ",$#," != ",0," || ! tty -s
- die "previous dotest directory $dotest still exists but mbox given."
+ case "$#,$skip$resolved" in
+ # Explicit resume command and we do not have file, so
+ # No file input but without resume parameters; catch
+ # user error to feed us a patch from standard input
+ # when there is already .dotest. This is somewhat
+ # unreliable -- stdin could be /dev/null for example
+ # and the caller did not intend to feed us a patch but
+ # wanted to continue unattended.
+ die "previous dotest directory $dotest still exists but mbox given."
# Make sure we are not given --skip nor --resolved