\newcommand{\patch}{{\mathcal P}}
\newcommand{\base}{{\mathcal B}}
\newcommand{\depsreq}{{\mathcal G}}
\newcommand{\allsrcs}{\set U}
\newcommand{\patch}{{\mathcal P}}
\newcommand{\base}{{\mathcal B}}
\newcommand{\depsreq}{{\mathcal G}}
\newcommand{\allsrcs}{\set U}