self.tex

%#!lualatex
\documentclass[12pt]{beamer}

\usepackage{arev}
\usepackage[T1]{fontenc}
\usepackage{graphicx}

% hack
\IfFileExists{self.pdf}{%
  \directlua{os.rename("self.pdf", "self2.pdf")}
}{%
  % nothing
}

\begin{document}

\begin{frame}{Including myself}

\IfFileExists{self2.pdf}{%
  \centering
  \fbox{\includegraphics[width=0.9\textwidth]{self2.pdf}}
}{%
  % nothing
}

\end{frame}

\end{document}