$ git clone -n https://src.fedoraproject.org/rpms/hunspell-nr.git /var/lib/mock/f45-build-13671-454/root/chroot_tmpdir/scmroot/hunspell-nr
Cloning into '/var/lib/mock/f45-build-13671-454/root/chroot_tmpdir/scmroot/hunspell-nr'...
$ git fetch origin b0cbeda1b249cb71c8e5f3d0c89c892baf65add9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-nr
 * [new ref]         b0cbeda1b249cb71c8e5f3d0c89c892baf65add9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0cbeda Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild