Handle append when relative path starts with os.sep
Handle append when relative path starts with os.sep

KaptenJon/calvin-base,EricssonResearch/calvin-base,les69/calvin-base,les69/calvin-base,KaptenJon/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base,KaptenJon/calvin-base,EricssonResearch/calvin-base,les69/calvin-base,les69/calvin-base