runner=$(cd sdk/cwl/dist && ls -t arvados-cwl-runner-*.tar.gz | head -n1)
rm -rf sdk/cwl/salad_dist
mkdir -p sdk/cwl/salad_dist
if [[ -n "$SALAD" ]] ; then
runner=$(cd sdk/cwl/dist && ls -t arvados-cwl-runner-*.tar.gz | head -n1)
rm -rf sdk/cwl/salad_dist
mkdir -p sdk/cwl/salad_dist
if [[ -n "$SALAD" ]] ; then