$ git clone -n https://src.fedoraproject.org/rpms/erlang-rpm-macros.git /var/lib/mock/f38-build-side-42-init-devel-566633-25898/root/chroot_tmpdir/scmroot/erlang-rpm-macros
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-566633-25898/root/chroot_tmpdir/scmroot/erlang-rpm-macros'...
$ git fetch origin 5c1712e7ae04cc1f8a94045b098dde904aace0c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-rpm-macros
 * [new ref]         5c1712e7ae04cc1f8a94045b098dde904aace0c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c1712e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild