$ git clone -n https://src.fedoraproject.org/rpms/goffice.git /var/lib/mock/f45-build-11692-434/root/chroot_tmpdir/scmroot/goffice
Cloning into '/var/lib/mock/f45-build-11692-434/root/chroot_tmpdir/scmroot/goffice'...
$ git fetch origin 30a9d0abdb48b694dda5445a6ac2e45da1f9f485:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/goffice
 * [new ref]         30a9d0abdb48b694dda5445a6ac2e45da1f9f485 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30a9d0a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild