$ git clone -n https://src.fedoraproject.org/rpms/flrig.git /var/lib/mock/f41-build-side-1-2811344-32929/root/chroot_tmpdir/scmroot/flrig
Cloning into '/var/lib/mock/f41-build-side-1-2811344-32929/root/chroot_tmpdir/scmroot/flrig'...
$ git fetch origin 84aa9c1c29ab17c42da91d558dedd377054f6b6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flrig
 * [new ref]         84aa9c1c29ab17c42da91d558dedd377054f6b6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84aa9c1 Fix license SPDX identifiers.