$ git clone -n https://src.fedoraproject.org/rpms/hunspell-csb.git /var/lib/mock/f45-build-13564-453/root/chroot_tmpdir/scmroot/hunspell-csb
Cloning into '/var/lib/mock/f45-build-13564-453/root/chroot_tmpdir/scmroot/hunspell-csb'...
$ git fetch origin c76d28670279ac1ea371518f38ad61aa1bce0e5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-csb
 * [new ref]         c76d28670279ac1ea371518f38ad61aa1bce0e5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c76d286 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild