Move ExternalPackageUtil to a new lib.repository package and simplify it

Move the nested Exception classes to top-level classes, remove unused
functionality and move functionality only used in one place to that place.

PiperOrigin-RevId: 170041246

1 files changed, 29 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/repository/ExternalRuleNotFoundException.java b/src/main/java/com/google/devtools/build/lib/repository/ExternalRuleNotFoundException.java
new file mode 100644
index 0000000000..7534bcbcad
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/repository/ExternalRuleNotFoundException.java
@@ -0,0 +1,29 @@
+// Copyright 2017 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 com.google.devtools.build.lib.repository;
+
+import com.google.devtools.build.lib.cmdline.Label;
+import com.google.devtools.build.lib.packages.BuildFileContainsErrorsException;
+
+/** Exception thrown when a rule cannot be found. */
+public final class ExternalRuleNotFoundException extends ExternalPackageException {
+  public ExternalRuleNotFoundException(String ruleName) {
+    super(
+        new BuildFileContainsErrorsException(
+            Label.EXTERNAL_PACKAGE_IDENTIFIER,
+            "The rule named '" + ruleName + "' could not be resolved"),
+        Transience.PERSISTENT);
+  }
+}
\ No newline at end of file