$ git clone -n https://src.fedoraproject.org/rpms/libvirt.git /var/lib/mock/f33-build-277390-51663/root/chroot_tmpdir/scmroot/libvirt
Cloning into '/var/lib/mock/f33-build-277390-51663/root/chroot_tmpdir/scmroot/libvirt'...
$ git reset --hard fc18e983e75d6d7f457217aecc1cfa09c3848708
HEAD is now at fc18e98 libvirt-6.4.0-1