$ git clone -n https://src.fedoraproject.org/rpms/hunspell-am.git /var/lib/mock/f45-build-13548-453/root/chroot_tmpdir/scmroot/hunspell-am
Cloning into '/var/lib/mock/f45-build-13548-453/root/chroot_tmpdir/scmroot/hunspell-am'...
$ git fetch origin ba102b6ea6f918a42362d917489d920749b27a1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-am
 * [new ref]         ba102b6ea6f918a42362d917489d920749b27a1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba102b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild