$ git clone -n https://src.fedoraproject.org/rpms/erlang-fast_tls.git /var/lib/mock/f40-build-2686891-68075/root/chroot_tmpdir/scmroot/erlang-fast_tls
Cloning into '/var/lib/mock/f40-build-2686891-68075/root/chroot_tmpdir/scmroot/erlang-fast_tls'...
$ git fetch origin 8e56703965f5a29c6b6958f4e7b5e6902f8cdba3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-fast_tls
 * [new ref]         8e56703965f5a29c6b6958f4e7b5e6902f8cdba3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e56703 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild