001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.scm.provider.hg.command.blame;
020
021import org.apache.maven.scm.ScmException;
022import org.apache.maven.scm.ScmFileSet;
023import org.apache.maven.scm.ScmResult;
024import org.apache.maven.scm.command.blame.AbstractBlameCommand;
025import org.apache.maven.scm.command.blame.BlameScmResult;
026import org.apache.maven.scm.provider.ScmProviderRepository;
027import org.apache.maven.scm.provider.hg.HgUtils;
028
029/**
030 * @author Evgeny Mandrikov
031 * @author Olivier Lamy
032 * @since 1.4
033 */
034public class HgBlameCommand extends AbstractBlameCommand {
035    public static final String BLAME_CMD = "blame";
036
037    /**
038     * {@inheritDoc}
039     */
040    public BlameScmResult executeBlameCommand(ScmProviderRepository repo, ScmFileSet workingDirectory, String filename)
041            throws ScmException {
042        String[] cmd = new String[] {
043            BLAME_CMD,
044            "--user", // list the author
045            "--date", // list the date
046            "--changeset", // list the global revision number
047            filename
048        };
049        HgBlameConsumer consumer = new HgBlameConsumer();
050        ScmResult result = HgUtils.execute(consumer, workingDirectory.getBasedir(), cmd);
051        return new BlameScmResult(consumer.getLines(), result);
052    }
053}