$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lambda-term.git /var/lib/mock/f39-build-1788207-41730/root/chroot_tmpdir/scmroot/ocaml-lambda-term
Cloning into '/var/lib/mock/f39-build-1788207-41730/root/chroot_tmpdir/scmroot/ocaml-lambda-term'...
$ git fetch origin bbcdf82a85ab0b6d7f0468914ee6f30717a42c2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lambda-term
 * [new ref]         bbcdf82a85ab0b6d7f0468914ee6f30717a42c2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbcdf82 Rebuild to fix ocaml-zed dependency in F39