$ git clone -n https://src.fedoraproject.org/rpms/ocaml-migrate-parsetree.git /var/lib/mock/f39-build-2473922-61540/root/chroot_tmpdir/scmroot/ocaml-migrate-parsetree
Cloning into '/var/lib/mock/f39-build-2473922-61540/root/chroot_tmpdir/scmroot/ocaml-migrate-parsetree'...
$ git fetch origin 4cef8c3d96342d5f2bcfcdb7b9c4817ee476894a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-migrate-parsetree
 * [new ref]         4cef8c3d96342d5f2bcfcdb7b9c4817ee476894a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cef8c3 Deprecated by upstream. https://ocaml.org/changelog/2023-10-23-omp-deprecation