$ git clone -n https://src.fedoraproject.org/rpms/hunspell-cv.git /var/lib/mock/f45-build-13545-453/root/chroot_tmpdir/scmroot/hunspell-cv
Cloning into '/var/lib/mock/f45-build-13545-453/root/chroot_tmpdir/scmroot/hunspell-cv'...
$ git fetch origin 9a13aa09186318c1881ddd14e825549b5afa8998:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-cv
 * [new ref]         9a13aa09186318c1881ddd14e825549b5afa8998 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a13aa0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild