$ git clone -n https://src.fedoraproject.org/rpms/erlang-cl.git /var/lib/mock/f45-build-8242-382/root/chroot_tmpdir/scmroot/erlang-cl
Cloning into '/var/lib/mock/f45-build-8242-382/root/chroot_tmpdir/scmroot/erlang-cl'...
$ git fetch origin 280ce9dae531eb8fcdaac8c6daf59dd0492ad260:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cl
 * [new ref]         280ce9dae531eb8fcdaac8c6daf59dd0492ad260 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 280ce9d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild