$ git clone -n https://src.fedoraproject.org/rpms/python-mglob.git /var/lib/mock/f41-build-side-1-2814662-32949/root/chroot_tmpdir/scmroot/python-mglob
Cloning into '/var/lib/mock/f41-build-side-1-2814662-32949/root/chroot_tmpdir/scmroot/python-mglob'...
$ git fetch origin 9681fb180027b8c03eed53020b92218f9e6521ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mglob
 * [new ref]         9681fb180027b8c03eed53020b92218f9e6521ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9681fb1 Retired: https://pagure.io/releng/issue/12278