Upgrade rules scala (#1954)

* Upgrade scala version.

* Fixing escapes.

Author: comius

WORKSPACE

@@ -297,15 +297,25 @@ jvm_maven_import_external(
 # For our scala_image test.
 http_archive(
     name = "io_bazel_rules_scala",
-    sha256 = "ed1a62f9fb2cb8930dd026b761ff900599b4c786c6cb6b7b5f9ad418f312c272",
-    strip_prefix = "rules_scala-0366fb23cb91fee2847a8358472278ddc9940c5f",
-    urls = ["https://github.com/bazelbuild/rules_scala/archive/0366fb23cb91fee2847a8358472278ddc9940c5f.tar.gz"],
+    sha256 = "ccf19e8f966022eaaca64da559c6140b23409829cb315f2eff5dc3e757fb6ad8",
+    strip_prefix = "rules_scala-e4560ac332e9da731c1e50a76af2579c55836a5c",
+    urls = ["https://github.com/bazelbuild/rules_scala/archive/e4560ac332e9da731c1e50a76af2579c55836a5c.zip"],
 )
 
+load("@io_bazel_rules_scala//:scala_config.bzl", "scala_config")
+
+scala_config()
+
 load("@io_bazel_rules_scala//scala:scala.bzl", "scala_repositories")
 
 scala_repositories()
 
+load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
+
+rules_proto_dependencies()
+
+rules_proto_toolchains()
+
 load("@io_bazel_rules_scala//scala:toolchains.bzl", "scala_register_toolchains")
 
 scala_register_toolchains()

tests/container/scala/configs/scala_image.yaml

@@ -4,7 +4,7 @@ metadataTest:
   entrypoint: [
     '/usr/bin/java',
     '-cp',
-    '/app/io_bazel_rules_docker/tests/container/scala/scala_image_library.jar:/app/io_bazel_rules_docker/../com_google_guava_guava/guava-18.0.jar:/app/io_bazel_rules_docker/../io_bazel_rules_scala_scala_library/scala-library-2.11.12.jar:/app/io_bazel_rules_docker/../io_bazel_rules_scala_scala_reflect/scala-reflect-2.11.12.jar:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary.jar:/app/io_bazel_rules_docker/tests/container/scala/BUILD:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary_wrapper.sh:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary',
+    '/app/io_bazel_rules_docker/tests/container/scala/scala_image_library.jar:/app/io_bazel_rules_docker/../com_google_guava_guava/guava-18.0.jar:/app/io_bazel_rules_docker/../io_bazel_rules_scala_scala_library/scala-library-2.12.14.jar:/app/io_bazel_rules_docker/../io_bazel_rules_scala_scala_reflect/scala-reflect-2.12.14.jar:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary.jar:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary:/app/io_bazel_rules_docker/tests/container/scala/BUILD:/app/io_bazel_rules_docker/tests/container/scala/scala_image.binary_wrapper.sh',
     '-Dbuild.location=tests/container/scala/BUILD',
     'examples.images.Binary',
     'arg0',