$ git clone -n https://src.fedoraproject.org/rpms/erlang-recon.git /var/lib/mock/f45-build-8431-388/root/chroot_tmpdir/scmroot/erlang-recon
Cloning into '/var/lib/mock/f45-build-8431-388/root/chroot_tmpdir/scmroot/erlang-recon'...
$ git fetch origin dced5a6d92f9805b2482cce5d7d6c1350286b585:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-recon
 * [new ref]         dced5a6d92f9805b2482cce5d7d6c1350286b585 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dced5a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild