+. build/run-library.sh
+
+python_sdk_ts=$(cd sdk/python && timestamp_from_git)
+cwl_runner_ts=$(cd sdk/cwl && timestamp_from_git)
+
+if [[ $python_sdk_ts -gt $cwl_runner_ts ]]; then
+ gittag=$(git log --first-parent --max-count=1 --format=format:%H sdk/python)
+else
+ gittag=$(git log --first-parent --max-count=1 --format=format:%H sdk/cwl)
+fi
+