$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.0-testing-1597-978/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.0-testing-1597-978/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard ca719062333d9045d7811f8b0f7003d38b3f0e61
Downloading SOURCES/xen-4.11.1.tar.gz (6.1 MB)
HEAD is now at ca71906 Fix bogus date in changelog