Update rules_go. (#176)

Author: dlorenc

BUILD

@@ -26,7 +26,7 @@ go_library(
 
 go_binary(
     name = "container-diff",
+    embed = [":go_default_library"],
     importpath = "github.com/GoogleCloudPlatform/container-diff",
-    library = ":go_default_library",
     visibility = ["//visibility:public"],
 )

WORKSPACE

@@ -1,12 +1,9 @@
 http_archive(
     name = "io_bazel_rules_go",
-    sha256 = "91fca9cf860a1476abdc185a5f675b641b60d3acf0596679a27b580af60bf19c",
-    url = "https://github.com/bazelbuild/rules_go/releases/download/0.7.0/rules_go-0.7.0.tar.gz",
+    url = "https://github.com/bazelbuild/rules_go/releases/download/0.9.0/rules_go-0.9.0.tar.gz",
+    sha256 = "4d8d6244320dd751590f9100cf39fd7a4b75cd901e1f3ffdfd6f048328883695",
 )
 
 load("@io_bazel_rules_go//go:def.bzl", "go_rules_dependencies", "go_register_toolchains")
 go_rules_dependencies()
 go_register_toolchains()
-
-load("@io_bazel_rules_go//proto:def.bzl", "proto_register_toolchains")
-proto_register_toolchains()

cmd/BUILD.bazel

@@ -31,6 +31,6 @@ go_test(
         "diff_test.go",
         "root_test.go",
     ],
+    embed = [":go_default_library"],
     importpath = "github.com/GoogleCloudPlatform/container-diff/cmd",
-    library = ":go_default_library",
 )

differs/BUILD.bazel

@@ -33,8 +33,8 @@ go_test(
         "pip_diff_test.go",
         "rpm_diff_test.go",
     ],
+    embed = [":go_default_library"],
     importpath = "github.com/GoogleCloudPlatform/container-diff/differs",
-    library = ":go_default_library",
     deps = [
         "//pkg/util:go_default_library",
         "//util:go_default_library",

util/BUILD.bazel

@@ -31,8 +31,8 @@ go_test(
         "package_diff_utils_test.go",
         "tar_utils_test.go",
     ],
+    embed = [":go_default_library"],
     importpath = "github.com/GoogleCloudPlatform/container-diff/util",
-    library = ":go_default_library",
     deps = [
         "//pkg/cache:go_default_library",
         "//pkg/util:go_default_library",