| // Copyright 2014 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.rules.repository; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.collect.nestedset.Order; |
| import com.google.devtools.build.lib.packages.PackageSpecification; |
| import com.google.devtools.build.lib.packages.PackageSpecification.PackageGroupContents; |
| import com.google.devtools.build.lib.rules.AliasConfiguredTarget; |
| import javax.annotation.Nullable; |
| |
| /** Implementation for the {@code bind} rule. */ |
| public final class Bind implements RuleConfiguredTargetFactory { |
| |
| @Override |
| @Nullable |
| public ConfiguredTarget create(RuleContext ruleContext) |
| throws InterruptedException, RuleErrorException, ActionConflictException { |
| if (ruleContext.getPrerequisite("actual") == null) { |
| ruleContext.ruleError(String.format("The external label '%s' is not bound to anything", |
| ruleContext.getLabel())); |
| return null; |
| } |
| |
| ConfiguredTarget actual = (ConfiguredTarget) ruleContext.getPrerequisite("actual"); |
| return AliasConfiguredTarget.create( |
| ruleContext, |
| actual, |
| NestedSetBuilder.create( |
| Order.STABLE_ORDER, |
| PackageGroupContents.create(ImmutableList.of(PackageSpecification.everything())))); |
| } |
| } |