[Dovecot] convert-tool, exit code wrong?

Hello,

I use convert-tool regularly for converting mbox based mail accounts to maildir based mail accounts. Today I tuned my convert script around convert-tool. I'm irritated about the exit codes. It seems, they should be inverted or am I wrong?

$ /opt/dovecot-1.0.10/bin/convert-tool rogtest1 /home/mail01/rogtest1 mbox:/home/rogtest1/mail maildir:/home/mail01/rogtest1/Maildir 1 Error: Source storage not found $ echo $? 0

$ /opt/dovecot-1.0.10/bin/convert-tool rogtest1 /home/mail01/rogtest1 mbox:/home/rogtest1/mail maildir:/home/mail01/rogtest1/Maildir 1 Info: Successfully converted $ echo $? 1

Ingo