// 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.Supplier;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.runtime.InfoItem;

/** Info item for the execution_root directory. */
public final class ExecutionRootInfoItem extends InfoItem {
  public ExecutionRootInfoItem() {
    super(
        "execution_root",
        "A directory that makes all input and output files visible to the build.",
        false);
  }

  @Override
  public byte[] get(Supplier<BuildConfiguration> configurationSupplier, CommandEnvironment env) {
    checkNotNull(env);
    return print(
        env.getDirectories().getExecRoot(configurationSupplier.get().getMainRepositoryName()));
  }
}