$ git clone -n https://src.fedoraproject.org/rpms/hunspell-mr.git /var/lib/mock/f45-build-13685-454/root/chroot_tmpdir/scmroot/hunspell-mr
Cloning into '/var/lib/mock/f45-build-13685-454/root/chroot_tmpdir/scmroot/hunspell-mr'...
$ git fetch origin f1004dff3117869c2f17fc83fef3b160a1920d41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-mr
 * [new ref]         f1004dff3117869c2f17fc83fef3b160a1920d41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1004df Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild