$ git clone -n https://src.fedoraproject.org/rpms/ocaml-alcotest.git /var/lib/mock/f41-build-838376-159695/root/chroot_tmpdir/scmroot/ocaml-alcotest
Cloning into '/var/lib/mock/f41-build-838376-159695/root/chroot_tmpdir/scmroot/ocaml-alcotest'...
$ git fetch origin 37d3034c9569c253f0a0d03eb9320b4d569f5670:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-alcotest
 * [new ref]         37d3034c9569c253f0a0d03eb9320b4d569f5670 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37d3034 Version 1.8.0