plugins/svn4idea/src/org/jetbrains/idea/svn/api/CmdRepositoryFeaturesClient.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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 org.jetbrains.idea.svn.api;

import com.intellij.openapi.vcs.VcsException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.idea.svn.commandLine.SvnBindException;
import org.tmatesoft.svn.core.SVNErrorCode;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.wc.SVNRevision;
import org.tmatesoft.svn.core.wc2.SvnTarget;

/**
 * @author Konstantin Kolosovsky.
 */
public class CmdRepositoryFeaturesClient extends BaseSvnClient implements RepositoryFeaturesClient {

  @Override
  public boolean supportsMergeTracking(@NotNull SVNURL url) throws VcsException {
    boolean result;

    try {
      myFactory.createHistoryClient()
        .doLog(SvnTarget.fromURL(url), SVNRevision.HEAD, SVNRevision.create(1), false, false, true, 1, null, null);
      result = true;
    }
    catch (SvnBindException e) {
      if (e.contains(SVNErrorCode.UNSUPPORTED_FEATURE) && e.getMessage().contains("mergeinfo")) {
        result = false;
      }
      else {
        throw e;
      }
    }

    return result;
  }
}