$ git clone -n https://src.fedoraproject.org/rpms/ocaml-cairo.git /var/lib/mock/f42-build-865645-173376/root/chroot_tmpdir/scmroot/ocaml-cairo
Cloning into '/var/lib/mock/f42-build-865645-173376/root/chroot_tmpdir/scmroot/ocaml-cairo'...
$ git fetch origin 17f382e4df89b2f71cc274b9bd5b4ab15e5f4039:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-cairo
 * [new ref]         17f382e4df89b2f71cc274b9bd5b4ab15e5f4039 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17f382e OCaml 5.3.0 rebuild for Fedora 42