$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocplib-endian.git /var/lib/mock/f42-build-865714-173451/root/chroot_tmpdir/scmroot/ocaml-ocplib-endian
Cloning into '/var/lib/mock/f42-build-865714-173451/root/chroot_tmpdir/scmroot/ocaml-ocplib-endian'...
$ git fetch origin 9a33ee0b2ab08f3d20449cf32aa65127779b9c04:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ocplib-endian
 * [new ref]         9a33ee0b2ab08f3d20449cf32aa65127779b9c04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a33ee0 OCaml 5.3.0 rebuild for Fedora 42