+(cd sdk/cwl && python3 setup.py sdist)
+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
+ (cd "$SALAD" && python3 setup.py sdist)
+ salad=$(cd "$SALAD/dist" && ls -t schema-salad-*.tar.gz | head -n1)
+ cp "$SALAD/dist/$salad" $WORKSPACE/sdk/cwl/salad_dist
+fi
+
+rm -rf sdk/cwl/cwltool_dist
+mkdir -p sdk/cwl/cwltool_dist