$ git clone -n https://src.fedoraproject.org/rpms/olpc-utils.git /var/lib/mock/f40-build-2336590-59465/root/chroot_tmpdir/scmroot/olpc-utils
Cloning into '/var/lib/mock/f40-build-2336590-59465/root/chroot_tmpdir/scmroot/olpc-utils'...
$ git fetch origin 07803e50b7a75b4bb01ad4c5b70b6a63a2af9f87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/olpc-utils
 * [new ref]         07803e50b7a75b4bb01ad4c5b70b6a63a2af9f87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07803e5 Not used in years, unmaintained