Use Codecov carryforward flags (#5406)

* Use Codecov carryforward flags

* report coverage to codecov for nightly tests

.codecov.yml

@@ -1,14 +1,23 @@
 coverage:
   status:
     project:
-      default: off
+      default:
+        target: auto
+        threshold: 0.1%
       unit:
-        flags: unit
+        target: auto
+        flags:
+          - unit
       nightly:
-        flags: nightly
+        target: auto
+        flags:
+          - nightly
 
 flags:
   unit:
-    joined: true
+    carryforward: false
   nightly:
-    joined: false
+    carryforward: true
+
+comment:
+  show_carryforward_flags: true

JenkinsfileRT

@@ -86,9 +86,10 @@ bc0.build_cmds = [
 ]
 bc0.build_cmds = PipInject(env.OVERRIDE_REQUIREMENTS) + bc0.build_cmds
 bc0.test_cmds = [
-    "pytest --cov-report=xml --cov -r sxf -n 30 --bigdata --slow \
+    "pytest --cov-report=xml --cov=./ -r sxf -n 30 --bigdata --slow \
     --basetemp=${pytest_basetemp} --junit-xml=results.xml --dist=loadscope \
     --env=${artifactoryenv} ${pytest_args}",
+    "codecov --token=${codecov_token} -F nightly",
 ]
 bc0.test_configs = [data_config]