$ git clone -n https://src.fedoraproject.org/rpms/hunspell-ca.git /var/lib/mock/f45-build-13559-453/root/chroot_tmpdir/scmroot/hunspell-ca
Cloning into '/var/lib/mock/f45-build-13559-453/root/chroot_tmpdir/scmroot/hunspell-ca'...
$ git fetch origin 85a88cdaa269ef2bd55cd5e6d4e7670586e262f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-ca
 * [new ref]         85a88cdaa269ef2bd55cd5e6d4e7670586e262f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85a88cd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild