What do you find?
On my 11.3, this is what I return with zypper
As you can see, a debug-source is available. Although I don't see a non-debug source listed, that's probably not necessary.
Code:
# zypper search rsync
S | Name | Summary | Type
--+----------------------+---------------------------------------------------+-----------
| grsync | GUI for rsync | package
| grsync | GUI for rsync | srcpackage
| grsync-debuginfo | Debug information for package grsync | package
| grsync-debugsource | Debug sources for package grsync | package
i | librsync | A Library for Generating Network Deltas | package
| librsync-debuginfo | Debug information for package librsync | package
| librsync-debugsource | Debug sources for package librsync | package
| nagios-plugins-rsync | Nagios plugin for checking rsync servers availa-> | package
i | rsync | Replacement for RCP/mirror that has Many More F-> | package
| rsync | Replacement for RCP/mirror that has Many More F-> | srcpackage
| rsync | VUL-0: rsync heap corruption | patch
| rsync-debuginfo | Debug information for package rsync | package
| rsync-debugsource | Debug sources for package rsync | package