This is nmudiff, from the Debian devscripts package, version 2.16.2ubuntu3 This code is copyright 2006 by Steinar H. Gunderson, with modifications copyright 2006 by Julian Gilbey <jdg@debian.org>. The software may be freely redistributed under the terms and conditions of the GNU General Public License, version 2.

Usage: nmudiff Generate a diff for an NMU and mail it to the BTS. nmudiff options: --new Submit a new bug report rather than sending messages to the fixed bugs (default if more than one bug being closed or no bugs being closed) --old Send reports to the bugs which are being closed rather than submit a new bug (default if only one bug being closed) --sendmail=SENDMAILCMD Use SENDMAILCMD instead of "/usr/sbin/sendmail -t" --mutt Use mutt to mail the message (default) --no-mutt Mail the message directly, don't use mutt --from=EMAIL Use EMAIL address for message to BTS; defaults to value of DEBEMAIL or EMAIL --delay=DELAY Indicate that the NMU has been uploaded to the DELAYED queue, with a delay of DELAY days; defaults to a placeholder value of XX. If DELAY is 0 then no reference is made to the DELAYED queue. --no-delay Equivalent to "--delay=0" --no-conf, --noconf Don't read devscripts config files; must be the first option given --help, -h Show this help information. --version Show version and copyright information. Default settings modified by devscripts configuration files: (none)