$ git clone -n https://src.fedoraproject.org/rpms/hunspell-or.git /var/lib/mock/f45-build-13668-454/root/chroot_tmpdir/scmroot/hunspell-or
Cloning into '/var/lib/mock/f45-build-13668-454/root/chroot_tmpdir/scmroot/hunspell-or'...
$ git fetch origin 5cdf752e9e7e197c5f29a1acad83f86e1d4f2bca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-or
 * [new ref]         5cdf752e9e7e197c5f29a1acad83f86e1d4f2bca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cdf752 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild