$ git clone -n https://src.fedoraproject.org/rpms/erlang-parse_trans.git /var/lib/mock/f45-build-8399-388/root/chroot_tmpdir/scmroot/erlang-parse_trans
Cloning into '/var/lib/mock/f45-build-8399-388/root/chroot_tmpdir/scmroot/erlang-parse_trans'...
$ git fetch origin c3f494424804ceb69ca222c2b76869305b2b72a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-parse_trans
 * [new ref]         c3f494424804ceb69ca222c2b76869305b2b72a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3f4944 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild