Example usage for org.eclipse.jgit.api Git Git

List of usage examples for org.eclipse.jgit.api Git Git

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Introduction

In this page you can find the example usage for org.eclipse.jgit.api Git Git.

Prototype

public Git(Repository repo)

Source Link

Document

Construct a new org.eclipse.jgit.api.Git object which can interact with the specified git repository.

Usage

From source file:edu.nju.cs.inform.jgit.porcelain.ShowChangedFilesBetweenCommits.java

License:Apache License

public static void main(String[] args) throws IOException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        // The {tree} will return the underlying tree-id instead of the commit-id itself!
        // For a description of what the carets do see e.g. http://www.paulboxley.com/blog/2011/06/git-caret-and-tilde
        // This means we are selecting the parent of the parent of the parent of the parent of current HEAD and
        // take the tree-ish of it
        ObjectId oldHead = repository.resolve("HEAD^^^^{tree}");
        ObjectId head = repository.resolve("HEAD^{tree}");

        System.out.println("Printing diff between tree: " + oldHead + " and " + head);

        // prepare the two iterators to compute the diff between
        try (ObjectReader reader = repository.newObjectReader()) {
            CanonicalTreeParser oldTreeIter = new CanonicalTreeParser();
            oldTreeIter.reset(reader, oldHead);
            CanonicalTreeParser newTreeIter = new CanonicalTreeParser();
            newTreeIter.reset(reader, head);

            // finally get the list of changed files
            try (Git git = new Git(repository)) {
                List<DiffEntry> diffs = git.diff().setNewTree(newTreeIter).setOldTree(oldTreeIter).call();
                for (DiffEntry entry : diffs) {
                    System.out.println("Entry: " + entry);
                }/*from www .  j  a  v  a2  s.c  o  m*/
            }
        }
    }

    System.out.println("Done");
}

From source file:edu.nju.cs.inform.jgit.porcelain.ShowFileDiff.java

License:Apache License

public static void main(String[] args) throws IOException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        // the diff works on TreeIterators, we prepare two for the two branches
        AbstractTreeIterator oldTreeParser = prepareTreeParser(repository,
                "09c65401f3730eb3e619c33bf31e2376fb393727");
        AbstractTreeIterator newTreeParser = prepareTreeParser(repository,
                "aa31703b65774e4a06010824601e56375a70078c");

        // then the procelain diff-command returns a list of diff entries
        try (Git git = new Git(repository)) {
            List<DiffEntry> diff = git.diff().setOldTree(oldTreeParser).setNewTree(newTreeParser)
                    .setPathFilter(PathFilter.create("README.md")).call();
            for (DiffEntry entry : diff) {
                System.out.println(
                        "Entry: " + entry + ", from: " + entry.getOldId() + ", to: " + entry.getNewId());
                try (DiffFormatter formatter = new DiffFormatter(System.out)) {
                    formatter.setRepository(repository);
                    formatter.format(entry);
                }//from w  w w.  j a  v  a 2s  .  c o  m
            }
        }
    }
}

From source file:edu.nju.cs.inform.jgit.porcelain.ShowLog.java

License:Apache License

@SuppressWarnings("unused")
public static void main(String[] args) throws IOException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        try (Git git = new Git(repository)) {
            Iterable<RevCommit> logs = git.log().call();
            int count = 0;
            for (RevCommit rev : logs) {
                //System.out.println("Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                count++;//from www.  j ava 2s. c  o  m
            }
            System.out.println("Had " + count + " commits overall on current branch");

            logs = git.log().add(repository.resolve("remotes/origin/testbranch")).call();
            count = 0;
            for (RevCommit rev : logs) {
                System.out.println(
                        "Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                count++;
            }
            System.out.println("Had " + count + " commits overall on test-branch");

            logs = git.log().all().call();
            count = 0;
            for (RevCommit rev : logs) {
                //System.out.println("Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                count++;
            }
            System.out.println("Had " + count + " commits overall in repository");

            logs = git.log()
                    // for all log.all()
                    .addPath("README.md").call();
            count = 0;
            for (RevCommit rev : logs) {
                //System.out.println("Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                count++;
            }
            System.out.println("Had " + count + " commits on README.md");

            logs = git.log()
                    // for all log.all()
                    .addPath("pom.xml").call();
            count = 0;
            for (RevCommit rev : logs) {
                //System.out.println("Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                count++;
            }
            System.out.println("Had " + count + " commits on pom.xml");
        }
    }
}

From source file:edu.nju.cs.inform.jgit.porcelain.ShowStatus.java

License:Apache License

public static void main(String[] args) throws IOException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        try (Git git = new Git(repository)) {
            Status status = git.status().call();
            System.out.println("Added: " + status.getAdded());
            System.out.println("Changed: " + status.getChanged());
            System.out.println("Conflicting: " + status.getConflicting());
            System.out.println("ConflictingStageState: " + status.getConflictingStageState());
            System.out.println("IgnoredNotInIndex: " + status.getIgnoredNotInIndex());
            System.out.println("Missing: " + status.getMissing());
            System.out.println("Modified: " + status.getModified());
            System.out.println("Removed: " + status.getRemoved());
            System.out.println("Untracked: " + status.getUntracked());
            System.out.println("UntrackedFolders: " + status.getUntrackedFolders());
        }/*  w  w w  .  j av a2 s .  c om*/
    }
}

From source file:edu.nju.cs.inform.jgit.porcelain.WalkAllCommits.java

License:Apache License

public static void main(String[] args) throws IOException, InvalidRefNameException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        try (Git git = new Git(repository)) {
            Iterable<RevCommit> commits = git.log().all().call();
            int count = 0;
            for (RevCommit commit : commits) {
                System.out.println("LogCommit: " + commit);
                count++;//  w ww. j a  v  a  2 s. c  om
            }
            System.out.println(count);
        }
    }
}

From source file:edu.nju.cs.inform.jgit.unfinished.ListRefLog.java

License:Apache License

public static void main(String[] args) throws IOException, GitAPIException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        try (Git git = new Git(repository)) {
            List<Ref> refs = git.branchList().call();
            for (Ref ref : refs) {
                System.out.println("Branch: " + ref + " " + ref.getName() + " " + ref.getObjectId().getName());

                listReflog(repository, ref);
            }/*from   w  w w . j a  va  2s.  c  o m*/

            List<Ref> call = git.tagList().call();
            for (Ref ref : call) {
                System.out.println("Tag: " + ref + " " + ref.getName() + " " + ref.getObjectId().getName());

                listReflog(repository, ref);
            }
        }
    }
}

From source file:edu.nju.cs.inform.jgit.unfinished.ListRefLog.java

License:Apache License

private static void listReflog(Repository repository, Ref ref) throws GitAPIException, InvalidRefNameException {
    /*// www .ja  va  2s.  com
     * Ref head = repository.getRef(ref.getName());
     * RevWalk walk = new RevWalk(repository);
     * RevCommit commit = walk.parseCommit(head.getObjectId());
     */

    try (Git git = new Git(repository)) {
        Collection<ReflogEntry> call = git.reflog().setRef(ref.getName()).call();
        Iterator<ReflogEntry> it = call.iterator();
        while (it.hasNext()) {
            ReflogEntry reflog = it.next();
            System.out.println("Reflog: " + reflog);
        }
    }
}

From source file:edu.nju.cs.inform.jgit.unfinished.PullFromRemoteRepository.java

License:Apache License

public static void main(String[] args)
        throws IOException, InvalidRemoteException, TransportException, GitAPIException {
    // prepare a new folder for the cloned repository
    File localPath = File.createTempFile("TestGitRepository", "");
    localPath.delete();/*  w  w  w. ja v  a2  s .com*/

    // then clone
    System.out.println("Cloning from " + REMOTE_URL + " to " + localPath);
    try (Git result = Git.cloneRepository().setURI(REMOTE_URL).setDirectory(localPath).call()) {
        // Note: the call() returns an opened repository already which needs to be closed to avoid file handle leaks!
        System.out.println("Having repository: " + result.getRepository().getDirectory());
        try (Git git = new Git(result.getRepository())) {
            git.pull().call();
        }

        System.out.println("Pulled from remote repository to local repository at "
                + result.getRepository().getDirectory());
    }
}

From source file:edu.nju.cs.inform.jgit.unfinished.PullRemoteRepository.java

License:Apache License

public static void main(String[] args)
        throws IOException, InvalidRemoteException, TransportException, GitAPIException {
    try (Repository repository = cloneRepository()) {
        System.out.println("Having repository: " + repository.getDirectory() + " with head: "
                + repository.getRef(Constants.HEAD) + "/" + repository.resolve("HEAD") + "/"
                + repository.resolve("refs/heads/master"));

        // TODO: why do we get null here for HEAD?!? See also
        // http://stackoverflow.com/questions/17979660/jgit-pull-noheadexception

        try (Git git = new Git(repository)) {
            PullResult call = git.pull().call();

            System.out.println("Pulled from the remote repository: " + call);
        }//from   w  w  w  .ja v  a 2s.  com
    }
}

From source file:edu.nju.cs.inform.jgit.unfinished.PushToRemoteRepository.java

License:Apache License

public static void main(String[] args)
        throws IOException, InvalidRemoteException, TransportException, GitAPIException {
    // prepare a new folder for the cloned repository
    File localPath = File.createTempFile("TestGitRepository", "");
    localPath.delete();//from   w w  w . ja v  a  2 s  .  c om

    // then clone
    System.out.println("Cloning from " + REMOTE_URL + " to " + localPath);
    try (Git result = Git.cloneRepository().setURI(REMOTE_URL).setDirectory(localPath).call()) {
        // prepare a second folder for the 2nd clone
        File localPath2 = File.createTempFile("TestGitRepository", "");
        localPath2.delete();

        // then clone again
        System.out.println("Cloning from file://" + localPath + " to " + localPath2);
        try (Git result2 = Git.cloneRepository().setURI("file://" + localPath).setDirectory(localPath2)
                .call()) {
            // now open the created repository
            FileRepositoryBuilder builder = new FileRepositoryBuilder();
            try (Repository repository = builder.setGitDir(localPath2).readEnvironment() // scan environment GIT_* variables
                    .findGitDir() // scan up the file system tree
                    .build()) {
                try (Git git = new Git(repository)) {
                    git.push().call();
                }

                System.out.println("Pushed from repository: " + repository.getDirectory()
                        + " to remote repository at " + REMOTE_URL);
            }
        }
    }
}