$ git clone -n https://src.fedoraproject.org/rpms/erlang-fast_tls.git /var/lib/mock/f45-build-8320-384/root/chroot_tmpdir/scmroot/erlang-fast_tls
Cloning into '/var/lib/mock/f45-build-8320-384/root/chroot_tmpdir/scmroot/erlang-fast_tls'...
$ git fetch origin 3cad59bb01e9af4e649b72ffd9f5324d24a0a426:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-fast_tls
 * [new ref]         3cad59bb01e9af4e649b72ffd9f5324d24a0a426 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cad59b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild