$ git clone -n https://github.com/xcp-ng-rpms/xcp-python-libs /var/lib/mock/v8.3-incoming-6004-11270/root/chroot_tmpdir/scmroot/xcp-python-libs
Cloning into '/var/lib/mock/v8.3-incoming-6004-11270/root/chroot_tmpdir/scmroot/xcp-python-libs'...
$ git reset --hard 8b20bea913d7c1f83e74469bb73c2cbf72f3114a
Downloading SOURCES/xcp-python-libs-3.0.2.tar.gz (124 KB)
HEAD is now at 8b20bea updategrub: install again, but in /opt/xensource/bin