message: third_party/repo: add TF_SYSTEM_LIBS to environ so bazel knows to refresh
diff: @@ -123,7 +123,10 @@ tf_http_archive = repository_rule(
  "patch_file": attr.label(),
  "build_file": attr.label(),
  "system_build_file": attr.label(),
  - })
  + },
  + environ=[
  + "TF_SYSTEM_LIBS",
  + ])
  """Downloads and creates Bazel repos for dependencies.
  This is a swappable replacement for both http_archive() and
  