$ git clone -n https://src.fedoraproject.org/rpms/hunspell-be.git /var/lib/mock/f45-build-13551-453/root/chroot_tmpdir/scmroot/hunspell-be
Cloning into '/var/lib/mock/f45-build-13551-453/root/chroot_tmpdir/scmroot/hunspell-be'...
$ git fetch origin 26357ef4e289470ec82851d240ca9917b6876cc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-be
 * [new ref]         26357ef4e289470ec82851d240ca9917b6876cc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26357ef Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild