How to use

RepoCommand$RemoteFile

in

org.eclipse.jgit.gitrepo

  url, proj.getRevision(), copyfile.src);
objectId = inserter.insert(Constants.OBJ_BLOB,
    rf.getContents());
dcEntry = new DirCacheEntry(copyfile.dest);
dcEntry.setObjectId(objectId);
dcEntry.setFileMode(rf.getFileMode());
builder.add(dcEntry);

  url, proj.getRevision(), copyfile.src);
objectId = inserter.insert(Constants.OBJ_BLOB,
    rf.getContents());
dcEntry = new DirCacheEntry(copyfile.dest);
dcEntry.setObjectId(objectId);
dcEntry.setFileMode(rf.getFileMode());
builder.add(dcEntry);

  @Override
  public RemoteFile readFileWithMode(String uri, String ref, String path)
      throws GitAPIException, IOException {
    File dir = FileUtils.createTempDir("jgit_", ".git", null); //$NON-NLS-1$ //$NON-NLS-2$
    try (Git git = Git.cloneRepository().setBare(true).setDirectory(dir)
        .setURI(uri).call()) {
      Repository repo = git.getRepository();
      ObjectId refCommitId = sha1(uri, ref);
      if (refCommitId == null) {
        throw new InvalidRefNameException(MessageFormat
            .format(JGitText.get().refNotResolved, ref));
      }
      RevCommit commit = repo.parseCommit(refCommitId);
      TreeWalk tw = TreeWalk.forPath(repo, path, commit.getTree());
      // TODO(ifrade): Cope better with big files (e.g. using
      // InputStream instead of byte[])
      return new RemoteFile(
          tw.getObjectReader().open(tw.getObjectId(0))
              .getCachedBytes(Integer.MAX_VALUE),
          tw.getFileMode(0));
    } finally {
      FileUtils.delete(dir, FileUtils.RECURSIVE);
    }
  }
}

/**
 * Read a file from a remote repository.
 *
 * @param uri
 *            The URI of the remote repository
 * @param ref
 *            The ref (branch/tag/etc.) to read
 * @param path
 *            The relative path (inside the repo) to the file to read
 * @return the file content.
 * @throws GitAPIException
 * @throws IOException
 * @since 3.5
 *
 * @deprecated Use {@link #readFileWithMode(String, String, String)}
 *             instead
 */
@Deprecated
public default byte[] readFile(String uri, String ref, String path)
    throws GitAPIException, IOException {
  return readFileWithMode(uri, ref, path).getContents();
}

  @Override
  public RemoteFile readFileWithMode(String uri, String ref, String path)
      throws GitAPIException, IOException {
    File dir = FileUtils.createTempDir("jgit_", ".git", null); //$NON-NLS-1$ //$NON-NLS-2$
    try (Git git = Git.cloneRepository().setBare(true).setDirectory(dir)
        .setURI(uri).call()) {
      Repository repo = git.getRepository();
      ObjectId refCommitId = sha1(uri, ref);
      if (refCommitId == null) {
        throw new InvalidRefNameException(MessageFormat
            .format(JGitText.get().refNotResolved, ref));
      }
      RevCommit commit = repo.parseCommit(refCommitId);
      TreeWalk tw = TreeWalk.forPath(repo, path, commit.getTree());
      // TODO(ifrade): Cope better with big files (e.g. using
      // InputStream instead of byte[])
      return new RemoteFile(
          tw.getObjectReader().open(tw.getObjectId(0))
              .getCachedBytes(Integer.MAX_VALUE),
          tw.getFileMode(0));
    } finally {
      FileUtils.delete(dir, FileUtils.RECURSIVE);
    }
  }
}

/**
 * Read a file from a remote repository.
 *
 * @param uri
 *            The URI of the remote repository
 * @param ref
 *            The ref (branch/tag/etc.) to read
 * @param path
 *            The relative path (inside the repo) to the file to read
 * @return the file content.
 * @throws GitAPIException
 * @throws IOException
 * @since 3.5
 *
 * @deprecated Use {@link #readFileWithMode(String, String, String)}
 *             instead
 */
@Deprecated
public default byte[] readFile(String uri, String ref, String path)
    throws GitAPIException, IOException {
  return readFileWithMode(uri, ref, path).getContents();
}