add .codecov.yaml

.codecov.yaml

@@ -0,0 +1,44 @@
+# Config can be validated before merging: curl -X POST --data-binary @.codecov.yaml https://codecov.io/validate
+codecov:
+  max_report_age: "off"  # see https://docs.codecov.io/docs/codecov-yaml#section-expired-reports
+
+# See http://docs.codecov.io/docs/coverage-configuration
+coverage:
+  precision: 2  # 2 = xx.xx%, 0 = xx%
+  round: down
+  # For example: 20...60 would result in any coverage less than 20%
+  # would have a red background. The color would gradually change to
+  # green approaching 60%. Any coverage over 60% would result in a
+  # solid green color.
+  range: "20...60"
+
+  # See https://docs.codecov.com/docs/commit-status
+  status:
+    # project will give us the diff in the total code coverage between a commit
+    # and its parent
+    project:
+      default:
+        # Allow the coverage to drop by 1%, and posting a success status.
+        threshold: 1%
+    # Patch gives just the coverage of the patch
+    patch: yes
+    # changes tells us if there are unexpected code coverage changes in other files
+    # which were not changed by the diff
+    changes: yes
+
+  # See http://docs.codecov.io/docs/ignoring-paths
+  ignore:
+  - "github/*"
+  - "cmd/*"
+  - "make/*"
+  - "resources/*"
+  - "test-resources/*"
+
+# See https://docs.codecov.com/docs/pull-request-comments
+comment:
+  layout: "header, diff, tree"
+  # default = posts once then update, posts new if delete
+  # once = post once then updates
+  # new = delete old, post new
+  # spammy = post new
+  behavior: "new"