$ git clone -n https://src.fedoraproject.org/rpms/ocaml-libvirt.git /var/lib/mock/f42-build-865527-173241/root/chroot_tmpdir/scmroot/ocaml-libvirt
Cloning into '/var/lib/mock/f42-build-865527-173241/root/chroot_tmpdir/scmroot/ocaml-libvirt'...
$ git fetch origin 52a188de97776693613b8cd97f3b4ef34dea07ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-libvirt
 * [new ref]         52a188de97776693613b8cd97f3b4ef34dea07ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52a188d OCaml 5.3.0 rebuild for Fedora 42