$ git clone -n https://src.fedoraproject.org/rpms/erlang-erlware_commons.git /var/lib/mock/f45-build-8294-383/root/chroot_tmpdir/scmroot/erlang-erlware_commons
Cloning into '/var/lib/mock/f45-build-8294-383/root/chroot_tmpdir/scmroot/erlang-erlware_commons'...
$ git fetch origin ba83a6f46c97375982285e8033d3219a20cbd468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-erlware_commons
 * [new ref]         ba83a6f46c97375982285e8033d3219a20cbd468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba83a6f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild