br.com.objectos.rio.GentooSetupCommandUnpack Maven / Gradle / Ivy

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/*
 * Copyright 2014 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.rio;

import java.io.File;
import java.util.List;

import br.com.objectos.way.core.io.Directory;

import com.google.common.collect.Lists;

/**
 * @author [email protected] (Marcio Endo)
 */
class GentooSetupCommandUnpack extends AbstractGentooSetupCommand {

  public GentooSetupCommandUnpack(GentooSetup setup) {
    super(setup);
  }

  @Override
  void execute() {
    Directory osVar = pojo.getTempDir();
    File stage3File = osVar.fileAt(pojo.getStage3());

    infoAction("unpack");
    info("Upacking to target device.");

    Directory installMountPoint = pojo.getMountDir();

    List mountList = pojo.getMountList();
    for (GentooMount mount : mountList) {
      mount.mount(command, installMountPoint);
    }

    untar(stage3File)
        .preserve()
        .gunzip()
        .toDir(installMountPoint);

    List reverse = Lists.reverse(mountList);
    for (GentooMount mount : reverse) {
      mount.umount(command, installMountPoint);
    }
  }

}