private ContentRevision getCurrentRevision() {
    if (FilePatchStatus.ADDED.equals(myStatus)) return null;
    if (myCurrentRevision == null) {
      FilePath filePath = (myCurrentBase != null) ? VcsUtil.getFilePath(myCurrentBase) : VcsUtil.getFilePath(myIoCurrentBase, false);
      myCurrentRevision = new CurrentContentRevision(filePath);
    }
    return myCurrentRevision;
  }
private ContentRevision getCurrentRevision()