$ git clone -n https://src.fedoraproject.org/rpms/erlang-proper.git /var/lib/mock/f40-build-2346952-60078/root/chroot_tmpdir/scmroot/erlang-proper
Cloning into '/var/lib/mock/f40-build-2346952-60078/root/chroot_tmpdir/scmroot/erlang-proper'...
$ git fetch origin bff83ab2a471216b000615c1c6f6d27e5ef6346e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-proper
 * [new ref]         bff83ab2a471216b000615c1c6f6d27e5ef6346e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bff83ab Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild