$ git clone -n https://src.fedoraproject.org/rpms/not-ocamlfind.git /var/lib/mock/f42-build-865732-173451/root/chroot_tmpdir/scmroot/not-ocamlfind
Cloning into '/var/lib/mock/f42-build-865732-173451/root/chroot_tmpdir/scmroot/not-ocamlfind'...
$ git fetch origin b5b310dcff44400b684d470ae46f319c8c581dc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/not-ocamlfind
 * [new ref]         b5b310dcff44400b684d470ae46f319c8c581dc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5b310d OCaml 5.3.0 rebuild for Fedora 42