$ git clone -n https://github.com/xcp-ng-rpms/dell-rbu-module.git /var/lib/mock/v8.3-base-4114-3992/root/chroot_tmpdir/scmroot/dell-rbu-module
Cloning into '/var/lib/mock/v8.3-base-4114-3992/root/chroot_tmpdir/scmroot/dell-rbu-module'...
$ git reset --hard 3071bf98dfc27b4ce28a4d3a93bf44d325976145
HEAD is now at 3071bf9 Rebuild for XCP-ng 8.3