$ git clone -n https://src.fedoraproject.org/rpms/xen.git /var/lib/mock/f31-build-71262-30602/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/f31-build-71262-30602/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 9aac9aad77b451eb8c1d48d77ae0fed993f3bc34
HEAD is now at 9aac9aa - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild