$ git clone -n https://src.fedoraproject.org/rpms/erlang-cf.git /var/lib/mock/f45-build-8293-383/root/chroot_tmpdir/scmroot/erlang-cf
Cloning into '/var/lib/mock/f45-build-8293-383/root/chroot_tmpdir/scmroot/erlang-cf'...
$ git fetch origin 29240001fb35ec1c847e96d4cf3a84ba82334478:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cf
 * [new ref]         29240001fb35ec1c847e96d4cf3a84ba82334478 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2924000 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild