dpkg-genchanges - generate Debian .changes files
By default, or if -si is specified, the original source will be included if the version number ends in -0 or -1, i.e. if the Debian revision part of the version number is 0 or 1.
-sa forces the inclusion of the original source; -sd forces its exclusion and includes only the diff.
This is free software; see the GNU General Public Licence version 2 or later for copying conditions. There is NO WARRANTY.