CONFIG1 = case os:getenv("TRAVIS") of
              "true" ->
                  JobId = os:getenv("TRAVIS_JOB_ID"),
                  [{coveralls_service_job_id, JobId},
                   {coveralls_coverdata, "_build/test/cover/*.coverdata"},
                   {coveralls_service_name , "travis-ci"} | CONFIG];
              _ ->
                  CONFIG
          end,

CONFIG1.