$ git clone -n https://src.fedoraproject.org/rpms/hunspell-ss.git /var/lib/mock/f45-build-13734-454/root/chroot_tmpdir/scmroot/hunspell-ss
Cloning into '/var/lib/mock/f45-build-13734-454/root/chroot_tmpdir/scmroot/hunspell-ss'...
$ git fetch origin 352ed1d356afc3b864e4ed89eb0436c8b6e26e57:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-ss
 * [new ref]         352ed1d356afc3b864e4ed89eb0436c8b6e26e57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 352ed1d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild