public static byte @NotNull [] getFileContent(@Nullable Project project,
                                                @NotNull VirtualFile root,
                                                @NotNull @NonNls String revisionOrBranch,
                                                @NotNull @NonNls String relativePath) throws VcsException {
    GitBinaryHandler h = new GitBinaryHandler(project, root, GitCommand.CAT_FILE);
    h.setSilent(true);
    addTextConvParameters(project, h, true);
    h.addParameters(revisionOrBranch + ":" + relativePath);
    return h.run();
  }
public static byte @NotNull [] getFileContent(@Nullable Project project,
                                                @NotNull VirtualFile root,
                                                @NotNull @NonNls String revisionOrBranch,
                                                @NotNull @NonNls String relativePath)