Make minted import optional

main.tex

@@ -1,5 +1,4 @@
 \input{praeamble.tex} % Preamble
-\input{commands.tex} % Custom commands
 \title{Script for the Fachschaft \acro{WIAI} \LaTeX{} Workshop}
 \author{Evelyn Fradtschuk \and Florian Knoch \and Christian Kremitzl \and Bernhard Luedtke}
 

praeamble.tex

@@ -36,8 +36,7 @@
 \usepackage{todonotes}
 \usepackage{changes}
 
-% Sourcecode listings
-\usepackage{minted}
+% Source code listings
 \usepackage{listings}
 
 % Quotes (\enquote)
@@ -53,3 +52,11 @@
 \usepackage{changes}
 \definechangesauthor[color=blue, name={Christian}]{C}
 \definechangesauthor[color=purple, name={Florian}]{F}
+
+% Custom commands
+\input{commands.tex}
+
+% Optional: Minted for source code listings
+\ifthenelse{\equal{\listingsmode}{minted}}{%
+  \usepackage{minted}
+}{}