$ git clone -n https://src.fedoraproject.org/rpms/apache-parent.git /var/lib/mock/f40-build-2250542-54059/root/chroot_tmpdir/scmroot/apache-parent
Cloning into '/var/lib/mock/f40-build-2250542-54059/root/chroot_tmpdir/scmroot/apache-parent'...
$ git fetch origin 3405a81749685ef4ef54c8758f9adc40219037bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-parent
 * [new ref]         3405a81749685ef4ef54c8758f9adc40219037bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3405a81 Update to upstream version 31