\begin{verbatim}
% git clone rsync://rsync.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git bt
% cd bt
-% git-read-tree -m HEAD && git-checkout-cache -q -f -u -a
+% git checkout
\end{verbatim}
\subsection{\label{sec:patching}Patching and configuring the Linux kernel}