$ git clone -n https://src.fedoraproject.org/rpms/ocaml-bos.git /var/lib/mock/f40-build-2317931-58201/root/chroot_tmpdir/scmroot/ocaml-bos
Cloning into '/var/lib/mock/f40-build-2317931-58201/root/chroot_tmpdir/scmroot/ocaml-bos'...
$ git fetch origin 59b223d7db91d5ccd4588339962c8e858200d0c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-bos
 * [new ref]         59b223d7db91d5ccd4588339962c8e858200d0c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59b223d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild