$ git clone -n https://src.fedoraproject.org/rpms/waypipe.git /var/lib/mock/f40-build-1512482-23909/root/chroot_tmpdir/scmroot/waypipe
Cloning into '/var/lib/mock/f40-build-1512482-23909/root/chroot_tmpdir/scmroot/waypipe'...
$ git fetch origin e4ccfddf1e0262ea7d146e90ad45f471f1909c95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waypipe
 * [new ref]         e4ccfddf1e0262ea7d146e90ad45f471f1909c95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ccfdd Update to 0.9.1