message: Fetch downstream dependencies from as many places as possible
  Gives the build the best possible chance at passing
diff: @@ -19,6 +19,8 @@ clone() {
  # Try the target branch of the push or PR.
  clone $BUILDKITE_BRANCH
  +# Try the PR author's branch in case it exists on the deps as well.
  +clone $BUILDKITE_PULL_REQUEST_BASE_BRANCH
  # Try the current branch from Jenkins.
  clone `"echo $GIT_BRANCH" | sed -e 's/^origin\///'`
  # Use the default branch as the last resort.
  