Example usage for org.eclipse.jgit.lib Constants HEAD

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib Constants HEAD.

Prototype

String HEAD

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Document

Special name for the "HEAD" symbolic-ref.

Usage

From source file:boa.datagen.scm.GitConnector.java

License:Apache License

@Override
public String getLastCommitId() {
    if (lastCommitId == null) {
        revwalk.reset();//from  w  ww  .ja  va 2s  . c  o m

        try {
            revwalk.markStart(revwalk.parseCommit(repository.resolve(Constants.HEAD)));
            revwalk.sort(RevSort.COMMIT_TIME_DESC);
            lastCommitId = revwalk.next().getId().toString();
        } catch (final Exception e) {
            if (debug)
                System.err.println("Git Error getting last commit for " + path + ". " + e.getMessage());
        }
    }
    return lastCommitId;
}

From source file:boa.datagen.scm.GitConnector.java

License:Apache License

@Override
protected void setRevisions() {
    try {/*from  w ww. jav a 2  s.c  o m*/
        revwalk.reset();
        revwalk.markStart(revwalk.parseCommit(repository.resolve(Constants.HEAD)));
        revwalk.sort(RevSort.TOPO, true);
        revwalk.sort(RevSort.COMMIT_TIME_DESC, true);
        revwalk.sort(RevSort.REVERSE, true);

        revisions.clear();
        revisionMap = new HashMap<String, Integer>();

        for (final RevCommit rc : revwalk) {
            final GitCommit gc = new GitCommit(repository, this);

            gc.setId(rc.getName());
            gc.setAuthor(rc.getAuthorIdent().getName());
            gc.setCommitter(rc.getCommitterIdent().getName());
            gc.setDate(new Date(((long) rc.getCommitTime()) * 1000));
            gc.setMessage(rc.getFullMessage());

            gc.getChangeFiles(this.revisionMap, rc);

            revisionMap.put(gc.id, revisions.size());
            revisions.add(gc);
        }
    } catch (final IOException e) {
        if (debug)
            System.err.println("Git Error getting parsing HEAD commit for " + path + ". " + e.getMessage());
    }
}

From source file:br.com.metricminer2.scm.GitRepository.java

License:Apache License

public SCMRepository info() {
    RevWalk rw = null;/*from   ww w.  jav a 2 s . co  m*/
    Git git = null;
    try {
        git = Git.open(new File(path));
        AnyObjectId headId = git.getRepository().resolve(Constants.HEAD);

        rw = new RevWalk(git.getRepository());
        RevCommit root = rw.parseCommit(headId);
        rw.sort(RevSort.REVERSE);
        rw.markStart(root);
        RevCommit lastCommit = rw.next();

        String origin = git.getRepository().getConfig().getString("remote", "origin", "url");

        return new SCMRepository(this, origin, path, headId.getName(), lastCommit.getName());
    } catch (Exception e) {
        throw new RuntimeException("error when info " + path, e);
    } finally {
        if (rw != null)
            rw.release();
        if (git != null)
            git.close();
    }

}

From source file:br.com.metricminer2.scm.GitRepository.java

License:Apache License

public ChangeSet getHead() {
    Git git = null;/* w w  w .  j a  v  a 2s.c o m*/
    try {
        git = Git.open(new File(path));
        ObjectId head = git.getRepository().resolve(Constants.HEAD);

        RevWalk revWalk = new RevWalk(git.getRepository());
        RevCommit r = revWalk.parseCommit(head);
        return new ChangeSet(r.getName(), convertToDate(r));

    } catch (Exception e) {
        throw new RuntimeException("error in getHead() for " + path, e);
    } finally {
        if (git != null)
            git.close();
    }

}

From source file:co.turnus.versioning.impl.GitVersioner.java

License:Open Source License

@Override
public Version getVersion(File file) {
    if (file == null) {
        return new SimpleFileVersioner().getVersion(file);
    }/*  ww w . j a v  a  2  s .c  o m*/

    Repository repo = searchNearestRepository(file);
    if (repo != null) {
        try {
            ObjectId revId = repo.resolve(Constants.HEAD);
            Date mdofifDate = getLastModifiedDate(file, repo, revId);
            String revision = getRevision(revId);

            Version v = VersioningFactory.eINSTANCE.createVersion();
            v.setVersioningDate(new Date());
            v.setLastModificationDate(mdofifDate);
            v.setAttribute("versioner", NAME);
            v.setId(revision);
            return v;

        } catch (Exception e) {
        }
    }

    return new SimpleFileVersioner().getVersion(file);
}

From source file:co.turnus.versioning.impl.GitVersioner.java

License:Open Source License

private Repository searchNearestRepository(File file) {
    if (file == null) {
        return null;
    } else if (file.exists()) {
        try {//from w  ww. j a va2 s. c  o m
            Repository repo = new FileRepositoryBuilder().findGitDir(file.getCanonicalFile()).build();
            ObjectId revision = repo.resolve(Constants.HEAD);
            if (revision != null) {
                return repo;
            }
        } catch (Exception e) {
        }
    }
    return searchNearestRepository(file.getParentFile());
}

From source file:com.beck.ep.team.git.GitListBuilder.java

License:BSD License

private int addTree(int mode, Shell shell, Repository rep, RevWalk rw, TreeWalk tw) throws Exception {
    int index = -1;
    switch (mode) {
    case GitModeMenuMgr.MODE_STAGING:
        tw.addTree(new DirCacheIterator(rep.readDirCache()));
        break;//from   w  w w .  j  a va 2s .  c o  m
    case GitModeMenuMgr.MODE_OTHERS://choose a GIT ref
        CompareTargetSelectionDialog dialog = new CompareTargetSelectionDialog(shell, rep, null);
        if (dialog.open() != CompareTargetSelectionDialog.OK) {
            return -2;
        }
        ObjectId obId = rep.getRef(dialog.getRefName()).getObjectId();//"master"
        tw.addTree(rw.parseCommit(obId).getTree());
        break;
    case GitModeMenuMgr.MODE_BRANCH_HEAD:
        Ref head = rep.getRef(Constants.HEAD);
        RevCommit rc = rw.parseCommit(head.getObjectId());
        tw.addTree(rc.getTree());
        break;
    default://compare to working area
        index = tw.addTree(new FileTreeIterator(rep));
        break;
    }
    return index;
}

From source file:com.buildautomation.jgit.api.GetFileAttributes.java

License:Apache License

private static RevTree getTree(Repository repository) throws IOException {
    ObjectId lastCommitId = repository.resolve(Constants.HEAD);

    // a RevWalk allows to walk over commits based on some filtering
    try (RevWalk revWalk = new RevWalk(repository)) {
        RevCommit commit = revWalk.parseCommit(lastCommitId);

        System.out.println("Time of commit (seconds since epoch): " + commit.getCommitTime());

        // and using commit's tree find the path
        RevTree tree = commit.getTree();
        System.out.println("Having tree: " + tree);
        return tree;
    }//from w  w w . j  ava  2s .  c  o m
}

From source file:com.buildautomation.jgit.api.ReadFileFromCommit.java

License:Apache License

public static void readFileFromCommit() throws IOException {
    try (Repository repository = CookbookHelper.openJGitCookbookRepository()) {
        // find the HEAD
        ObjectId lastCommitId = repository.resolve(Constants.HEAD);

        // a RevWalk allows to walk over commits based on some filtering that is defined
        try (RevWalk revWalk = new RevWalk(repository)) {
            RevCommit commit = revWalk.parseCommit(lastCommitId);
            // and using commit's tree find the path
            RevTree tree = commit.getTree();
            System.out.println("Having tree: " + tree);

            // now try to find a specific file
            try (TreeWalk treeWalk = new TreeWalk(repository)) {
                treeWalk.addTree(tree);/*w  w w. jav  a2  s. co m*/
                treeWalk.setRecursive(true);
                treeWalk.setFilter(PathFilter.create("README.md"));
                if (!treeWalk.next()) {
                    throw new IllegalStateException("Did not find expected file 'README.md'");
                }

                ObjectId objectId = treeWalk.getObjectId(0);
                ObjectLoader loader = repository.open(objectId);

                // and then one can the loader to read the file
                loader.copyTo(System.out);
            }

            revWalk.dispose();
        }
    }
}

From source file:com.centurylink.mdw.dataaccess.file.VersionControlGit.java

License:Apache License

public String getCommit() throws IOException {
    ObjectId head = localRepo.resolve(Constants.HEAD);
    if (head != null)
        return head.getName();
    else/* www.  j  a  v a 2s.co m*/
        return null;
}