$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-hoverxref.git /var/lib/mock/f40-build-2090072-50219/root/chroot_tmpdir/scmroot/python-sphinx-hoverxref
Cloning into '/var/lib/mock/f40-build-2090072-50219/root/chroot_tmpdir/scmroot/python-sphinx-hoverxref'...
$ git fetch origin 7b4969634e2d115bf55420b4618196d7d1c158d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-hoverxref
 * [new ref]         7b4969634e2d115bf55420b4618196d7d1c158d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b49696 Update to 1.3.0