$ git clone -n https://src.fedoraproject.org/rpms/bournal.git /var/lib/mock/f41-build-side-1-2749786-31006/root/chroot_tmpdir/scmroot/bournal
Cloning into '/var/lib/mock/f41-build-side-1-2749786-31006/root/chroot_tmpdir/scmroot/bournal'...
$ git fetch origin 07f44d8fe96ecae42ef3938e150b8558e93c7c34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bournal
 * [new ref]         07f44d8fe96ecae42ef3938e150b8558e93c7c34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07f44d8 Last release was 7 years ago