$ git clone -n https://src.fedoraproject.org/rpms/erlang-idna.git /var/lib/mock/f40-build-2589195-62566/root/chroot_tmpdir/scmroot/erlang-idna
Cloning into '/var/lib/mock/f40-build-2589195-62566/root/chroot_tmpdir/scmroot/erlang-idna'...
$ git fetch origin b1fbe22c6d56443b1a17201490351cb801210ad3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-idna
 * [new ref]         b1fbe22c6d56443b1a17201490351cb801210ad3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1fbe22 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild