public @Nullable VcsFileRevision createRevision(@Nullable VcsCommitMetadata commit) {
    if (commit == null) return null;
    if (isFileDeletedInCommit(commit.getId())) return VcsFileRevision.NULL;
    FilePath path = getPathInCommit(commit.getId());
    if (path == null) return null;
    return new VcsLogFileRevision(commit, myDiffHandler.createContentRevision(path, commit.getId()), path, false);
  }
public @Nullable VcsFileRevision createRevision(@Nullable VcsCommitMetadata commit)