Example usage for org.eclipse.jgit.storage.file FileRepositoryBuilder FileRepositoryBuilder

Introduction

In this page you can find the example usage for org.eclipse.jgit.storage.file FileRepositoryBuilder FileRepositoryBuilder.

Prototype

FileRepositoryBuilder

Source Link

Usage

From source file:wherehows.common.utils.GitUtil.java

License:Open Source License

/**
 * Fetch all commit metadata from the repo
 * @param repoDir repository directory//from   w w w.  j  av  a 2s .co m
 * @return list of commit metadata
 * @throws IOException
 * @throws GitAPIException
 */
public static List<CommitMetadata> getRepoMetadata(String repoDir) throws IOException, GitAPIException {

    List<CommitMetadata> metadataList = new ArrayList<>();

    FileRepositoryBuilder builder = new FileRepositoryBuilder();
    Repository repository = builder.setGitDir(new File(repoDir, ".git")).readEnvironment().findGitDir().build();

    // Current branch may not be master. Instead of hard coding determine the current branch
    String currentBranch = repository.getBranch();
    Ref head = repository.getRef("refs/heads/" + currentBranch); // current branch may not be "master"
    if (head == null) {
        return metadataList;
    }

    Git git = new Git(repository);

    RevWalk walk = new RevWalk(repository);
    RevCommit commit = walk.parseCommit(head.getObjectId());

    TreeWalk treeWalk = new TreeWalk(repository);
    treeWalk.addTree(commit.getTree());
    treeWalk.setRecursive(true);
    while (treeWalk.next()) {
        String filePath = treeWalk.getPathString();
        Iterable<RevCommit> commitLog = git.log().add(repository.resolve(Constants.HEAD)).addPath(filePath)
                .call();
        for (RevCommit r : commitLog) {
            CommitMetadata metadata = new CommitMetadata(r.getName());
            metadata.setFilePath(filePath);
            metadata.setFileName(FilenameUtils.getName(filePath));
            metadata.setMessage(r.getShortMessage().trim());
            // Difference between committer and author
            // refer to: http://git-scm.com/book/ch2-3.html
            PersonIdent committer = r.getCommitterIdent();
            PersonIdent author = r.getAuthorIdent();
            metadata.setAuthor(author.getName());
            metadata.setAuthorEmail(author.getEmailAddress());
            metadata.setCommitter(committer.getName());
            metadata.setCommitterEmail(committer.getEmailAddress());
            metadata.setCommitTime(committer.getWhen());
            metadataList.add(metadata);
        }
    }
    git.close();
    return metadataList;
}