$ git clone -n https://src.fedoraproject.org/rpms/erlang-setup.git /var/lib/mock/f45-build-8453-389/root/chroot_tmpdir/scmroot/erlang-setup
Cloning into '/var/lib/mock/f45-build-8453-389/root/chroot_tmpdir/scmroot/erlang-setup'...
$ git fetch origin d2e705156a3d4274fbffadaaae5c7f070d3aecf9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-setup
 * [new ref]         d2e705156a3d4274fbffadaaae5c7f070d3aecf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2e7051 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild