grpc-protoinfo-2.patch

commit ecf04ccf4d8be9378166ec9e0ccf44081e211d11
Author: Marcel Hlopko <hlopko@google.com>
Date:   Thu Jun 20 18:57:33 2019 +0200

    Require ProtoInfo in attributes, not "proto"

diff --git a/bazel/generate_cc.bzl b/bazel/generate_cc.bzl
index 581165a190..87e8b9d329 100644
--- a/bazel/generate_cc.bzl
+++ b/bazel/generate_cc.bzl
@@ -146,7 +146,7 @@ _generate_cc = rule(
         "srcs": attr.label_list(
             mandatory = True,
             allow_empty = False,
-            providers = ["proto"],
+            providers = [ProtoInfo],
         ),
         "plugin": attr.label(
             executable = True,
diff --git a/bazel/python_rules.bzl b/bazel/python_rules.bzl
index 3df30f8262..d4ff77094c 100644
--- a/bazel/python_rules.bzl
+++ b/bazel/python_rules.bzl
@@ -99,7 +99,7 @@ __generate_py = rule(
         "deps": attr.label_list(
             mandatory = True,
             allow_empty = False,
-            providers = ["proto"],
+            providers = [ProtoInfo],
         ),
         "plugin": attr.label(
             executable = True,