Example usage for org.eclipse.jgit.diff DiffEntry toString

Introduction

In this page you can find the example usage for org.eclipse.jgit.diff DiffEntry toString.

Prototype

@SuppressWarnings("nls")
@Override
public String toString() 

Source Link

Usage

From source file:getgitdata.JGitDiff.java

public static void main(String[] args) throws Exception {
    File gitWorkDir = new File("C:/Users/Masud/Documents/GitHub/tomcat");
    Git git = Git.open(gitWorkDir);//from   w w w .ja v a  2 s  .  c  om

    String newHash = "278a36a";
    String oldHash = "1b46e37b92705159ddc22fd8a28ee1d2b7499072";

    //ObjectId headId = git.getRepository().resolve("HEAD^{tree}");
    // ObjectId headId = git.getRepository().resolve(newHash + "^{tree}");
    ObjectId headId = git.getRepository().resolve(newHash + "^{tree}");
    ObjectId oldId = git.getRepository().resolve(newHash + "^^{tree}");
    ObjectReader reader = git.getRepository().newObjectReader();

    CanonicalTreeParser oldTreeIter = new CanonicalTreeParser();
    oldTreeIter.reset(reader, oldId);
    CanonicalTreeParser newTreeIter = new CanonicalTreeParser();
    newTreeIter.reset(reader, headId);

    List<DiffEntry> diffs = git.diff().setNewTree(newTreeIter).setOldTree(oldTreeIter).call();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    DiffFormatter df = new DiffFormatter(out);
    df.setRepository(git.getRepository());
    int count = 0;
    for (DiffEntry diff : diffs) {
        count++;
        System.out.println("DIff: " + diff.toString());
        df.format(diff);

        // diff.getOldId();
        String diffText = out.toString("UTF-8");
        System.out.println(diffText);
        out.reset();
    }
    System.out.println("Count: " + count);
}

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From source file:org.jabylon.team.git.GitTeamProvider.java

License:Open Source License

@Override
public Collection<PropertyFileDiff> update(ProjectVersion project, IProgressMonitor monitor)
        throws TeamProviderException {

    SubMonitor subMon = SubMonitor.convert(monitor, 100);
    List<PropertyFileDiff> updatedFiles = new ArrayList<PropertyFileDiff>();
    try {/*from   w  w  w.j ava 2 s.c om*/
        Repository repository = createRepository(project);
        Git git = Git.wrap(repository);
        FetchCommand fetchCommand = git.fetch();
        URI uri = project.getParent().getRepositoryURI();
        if (uri != null)
            fetchCommand.setRemote(stripUserInfo(uri).toString());
        String refspecString = "refs/heads/{0}:refs/remotes/origin/{0}";
        refspecString = MessageFormat.format(refspecString, project.getName());
        RefSpec spec = new RefSpec(refspecString);
        fetchCommand.setRefSpecs(spec);
        subMon.subTask("Fetching from remote");
        if (!"https".equals(uri.scheme()) && !"http".equals(uri.scheme()))
            fetchCommand.setTransportConfigCallback(createTransportConfigCallback(project.getParent()));
        fetchCommand.setCredentialsProvider(createCredentialsProvider(project.getParent()));
        fetchCommand.setProgressMonitor(new ProgressMonitorWrapper(subMon.newChild(80)));
        fetchCommand.call();
        ObjectId remoteHead = repository.resolve("refs/remotes/origin/" + project.getName() + "^{tree}");

        DiffCommand diff = git.diff();
        subMon.subTask("Caculating Diff");
        diff.setProgressMonitor(new ProgressMonitorWrapper(subMon.newChild(20)));
        diff.setOldTree(new FileTreeIterator(repository));
        CanonicalTreeParser p = new CanonicalTreeParser();
        ObjectReader reader = repository.newObjectReader();
        try {
            p.reset(reader, remoteHead);
        } finally {
            reader.release();
        }
        diff.setNewTree(p);
        checkCanceled(subMon);
        List<DiffEntry> diffs = diff.call();
        for (DiffEntry diffEntry : diffs) {
            checkCanceled(subMon);
            updatedFiles.add(convertDiffEntry(diffEntry));
            LOGGER.trace(diffEntry.toString());
        }
        if (!updatedFiles.isEmpty()) {
            checkCanceled(subMon);
            //no more cancel after this point
            ObjectId lastCommitID = repository
                    .resolve("refs/remotes/origin/" + project.getName() + "^{commit}");
            LOGGER.info("Merging remote commit {} to {}/{}",
                    new Object[] { lastCommitID, project.getName(), project.getParent().getName() });
            //TODO: use rebase here?
            if (isRebase(project)) {
                RebaseCommand rebase = git.rebase();
                rebase.setUpstream("refs/remotes/origin/" + project.getName());
                RebaseResult result = rebase.call();
                if (result.getStatus().isSuccessful()) {
                    LOGGER.info("Rebase finished: {}", result.getStatus());
                } else {
                    LOGGER.error("Rebase of {} failed. Attempting abort", project.relativePath());
                    rebase = git.rebase();
                    rebase.setOperation(Operation.ABORT);
                    result = rebase.call();
                    LOGGER.error("Abort finished with {}", result.getStatus());
                }
            } else {
                MergeCommand merge = git.merge();
                merge.include(lastCommitID);
                MergeResult mergeResult = merge.call();

                LOGGER.info("Merge finished: {}", mergeResult.getMergeStatus());
            }
        } else
            LOGGER.info("Update finished successfully. Nothing to merge, already up to date");
    } catch (JGitInternalException e) {
        throw new TeamProviderException(e);
    } catch (InvalidRemoteException e) {
        throw new TeamProviderException(e);
    } catch (GitAPIException e) {
        throw new TeamProviderException(e);
    } catch (AmbiguousObjectException e) {
        throw new TeamProviderException(e);
    } catch (IOException e) {
        throw new TeamProviderException(e);
    } finally {
        monitor.done();
    }
    return updatedFiles;
}

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