// Copyright 2020 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.runtime.commands.info;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Joiner;
import com.google.common.base.Supplier;
import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue;
import com.google.devtools.build.lib.pkgcache.PackageOptions;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.runtime.InfoItem;
import com.google.devtools.common.options.OptionsParsingResult;

/** Info item for package_path. */
public final class PackagePathInfoItem extends InfoItem {
  private final OptionsParsingResult commandOptions;

  public PackagePathInfoItem(OptionsParsingResult commandOptions) {
    super("package_path", "The search path for resolving package labels.", false);
    this.commandOptions = commandOptions;
  }

  @Override
  public byte[] get(
      Supplier<BuildConfigurationValue> configurationSupplier, CommandEnvironment env) {
    checkNotNull(commandOptions);
    PackageOptions packageOptions = commandOptions.getOptions(PackageOptions.class);
    return print(Joiner.on(":").join(packageOptions.packagePath));
  }
}