$ git clone -n https://src.fedoraproject.org/rpms/llhttp.git /var/lib/mock/f45-build-17467-499/root/chroot_tmpdir/scmroot/llhttp
Cloning into '/var/lib/mock/f45-build-17467-499/root/chroot_tmpdir/scmroot/llhttp'...
$ git fetch origin 8928d00d88f9103b71b5f6bcdb4c9b4a0408a773:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llhttp
 * [new ref]         8928d00d88f9103b71b5f6bcdb4c9b4a0408a773 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8928d00 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild