$ git clone -n https://src.fedoraproject.org/rpms/erlang-proper.git /var/lib/mock/f39-build-2534580-61806/root/chroot_tmpdir/scmroot/erlang-proper
Cloning into '/var/lib/mock/f39-build-2534580-61806/root/chroot_tmpdir/scmroot/erlang-proper'...
$ git fetch origin 027302e9fb2554b55d652b9021086bc0cb7395ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-proper
 * [new ref]         027302e9fb2554b55d652b9021086bc0cb7395ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 027302e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild