$ git clone -n https://src.fedoraproject.org/rpms/ocaml-uuseg.git /var/lib/mock/f39-build-1643136-40225/root/chroot_tmpdir/scmroot/ocaml-uuseg
Cloning into '/var/lib/mock/f39-build-1643136-40225/root/chroot_tmpdir/scmroot/ocaml-uuseg'...
$ git fetch origin b9da39a6506fcc29dec235e663cf340c3e269374:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-uuseg
 * [new ref]         b9da39a6506fcc29dec235e663cf340c3e269374 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9da39a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild