polish

runner/BUILD.bazel

@@ -21,8 +21,6 @@ go_library(
         "//internal/wspace",
         "//label",
         "//language",
-        "//language/go",
-        "//language/proto",
         "//merger",
         "//repo",
         "//resolve",
@@ -39,13 +37,17 @@ go_test(
         "diff_test.go",
         "fix_test.go",
         "integration_test.go",
+        "langs_test.go",
     ],
     args = ["-go_sdk=go_sdk"],
     data = ["@go_sdk//:files"],
     embed = [":runner"],
     deps = [
         "//config",
         "//internal/wspace",
+        "//language",
+        "//language/go",
+        "//language/proto",
         "//testtools",
         "@io_bazel_rules_go//go/tools/bazel:go_default_library",
     ],
@@ -64,6 +66,7 @@ filegroup(
         "gazelle.go",
         "integration_test.go",
         "langs.go",
+        "langs_test.go",
         "metaresolver.go",
         "print.go",
         "update-repos.go",

runner/langs.go

@@ -17,11 +17,6 @@ package runner
 
 import (
 	"github.com/bazelbuild/bazel-gazelle/language"
-	"github.com/bazelbuild/bazel-gazelle/language/go"
-	"github.com/bazelbuild/bazel-gazelle/language/proto"
 )
 
-var languages = []language.Language{
-	proto.NewLanguage(),
-	golang.NewLanguage(),
-}
+var languages []language.Language

runner/langs_test.go

@@ -0,0 +1,29 @@
+/* Copyright 2018 The Bazel Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package runner
+
+import (
+	"github.com/bazelbuild/bazel-gazelle/language"
+	"github.com/bazelbuild/bazel-gazelle/language/go"
+	"github.com/bazelbuild/bazel-gazelle/language/proto"
+)
+
+func init() {
+	languages = []language.Language{
+		proto.NewLanguage(),
+		golang.NewLanguage(),
+	}
+}