$ git clone -n https://src.fedoraproject.org/rpms/python-zope-component.git /var/lib/mock/f45-build-33761-674/root/chroot_tmpdir/scmroot/python-zope-component
Cloning into '/var/lib/mock/f45-build-33761-674/root/chroot_tmpdir/scmroot/python-zope-component'...
$ git fetch origin b8658927939c2db79d01536efdda7ba205c71ab7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zope-component
 * [new ref]         b8658927939c2db79d01536efdda7ba205c71ab7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b865892 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild