/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.maven.scm.provider.git.jgit.command.remove;
  
  import java.io.IOException;
  import java.util.List;
  
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFile;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.command.remove.AbstractRemoveCommand;
  import org.apache.maven.scm.command.remove.RemoveScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.git.command.GitCommand;
  import org.apache.maven.scm.provider.git.jgit.command.JGitUtils;
  import org.eclipse.jgit.api.Git;
  import org.eclipse.jgit.api.errors.GitAPIException;
  
  /**
   * @author Georg Tsakumagos
   * @since 2.0.0-M2
   */
  public class JGitRemoveCommand extends AbstractRemoveCommand implements GitCommand {
  
      @Override
      protected ScmResult executeRemoveCommand(ScmProviderRepository repository, ScmFileSet fileSet, String message)
              throws ScmException {
  
          if (fileSet.getFileList().isEmpty()) {
              throw new ScmException("You must provide at least one file/directory to remove");
          }
          Git git = null;
          try {
              git = JGitUtils.openRepo(fileSet.getBasedir());
  
              List<ScmFile> removedFiles = JGitUtils.removeAllFiles(git, fileSet);
  
              if (logger.isDebugEnabled()) {
                  for (ScmFile scmFile : removedFiles) {
                      logger.info("Removed file: " + scmFile);
                  }
              }
  
              return new RemoveScmResult("JGit remove", removedFiles);
  
          } catch (IOException | GitAPIException e) {
              throw new ScmException("JGit remove failure!", e);
          } finally {
              JGitUtils.closeRepo(git);
          }
      }
  }