$ git clone -n https://src.fedoraproject.org/rpms/hunspell-om.git /var/lib/mock/f45-build-13672-454/root/chroot_tmpdir/scmroot/hunspell-om
Cloning into '/var/lib/mock/f45-build-13672-454/root/chroot_tmpdir/scmroot/hunspell-om'...
$ git fetch origin 76455c4dcc6ec449f46dd8d01859315482a3445d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-om
 * [new ref]         76455c4dcc6ec449f46dd8d01859315482a3445d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76455c4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild