package org.dstadler.jgit.api;
/*
* Copyright 2013, 2014 Dominik Stadler
*
* 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.
*/
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.dstadler.jgit.helper.CookbookHelper;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.BranchTrackingStatus;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
/**
* Snippet which shows how to use BranchTrackingStatus to print
* how many commits away the local git repository is from the
* remote branches.
*
* @author dominik.stadler at gmx.at
*/
public class ShowBranchTrackingStatus {
public static void main(String[] args) throws IOException, GitAPIException {
Repository repository = CookbookHelper.openJGitCookbookRepository();
List<Ref> call = new Git(repository).branchList().call();
for (Ref ref : call) {
List<Integer> counts = getCounts(repository, ref.getName());
System.out.println("For branch: " + ref.getName());
System.out.println("Commits ahead : " + counts.get(0));
System.out.println("Commits behind : " + counts.get(1));
System.out.println();
}
repository.close();
}
private static List<Integer> getCounts(org.eclipse.jgit.lib.Repository repository, String branchName) throws IOException {
BranchTrackingStatus trackingStatus = BranchTrackingStatus.of(repository, branchName);
List<Integer> counts = new ArrayList<Integer>();
if (trackingStatus != null) {
counts.add(trackingStatus.getAheadCount());
counts.add(trackingStatus.getBehindCount());
} else {
System.out.println("Returned null, likely no remote tracking of branch " + branchName);
counts.add(0);
counts.add(0);
}
return counts;
}
}