Add exercises slide

Author: andrewdotn

Makefile

@@ -54,3 +54,13 @@ presentation.pdf: $(PYTHON_FILES:%.py=%.py.include)
 
 clean::
 	rm -f *.out *.include
+
+GH_CURL = curl -sSH "Authorization: token $$(grep oauth_token ~/.config/hub  | head -n1 | awk '{print $$2}')"
+
+upload: presentation.pdf
+	EXISTING_RELEASE_ID=$$(${GH_CURL} https://api.github.com/repos/py-yyc/git-init/releases/tags/v0.0.0 | jq .id); \
+	if [ -n "$$EXISTING_RELEASE_ID" ]; then \
+	    ${GH_CURL} -X DELETE https://api.github.com/repos/py-yyc/git-init/releases/$$EXISTING_RELEASE_ID; \
+	fi
+	hub release create -p -a presentation.pdf -m Slides v0.0.0
+

attendees.txt

@@ -14,9 +14,9 @@
 
 \usepackage{fontspec}
 
-\hypersetup{hidelinks,pdfpagemode=}
+\hypersetup{pdfpagemode=,colorlinks=true,urlcolor=blue}
 
-\urlstyle{same}
+%\urlstyle{same}
 
 \newcommand*{\sizefont}[1]{%
     \ifcase#1\relax
@@ -100,11 +100,14 @@
 \tableofcontents
 \end{frame}
 
-\section{Introduction}
+\section{Version control}
 
 \def\fillinblank{\_\_\_\_}
 
-\begin{frame}{Version control}
+\begin{frame}{Basics of version control}
+\begin{itemize}
+\item Tracking who made what changes, when, and why, gets very complicated
+\end{itemize}
 \end{frame}
 
 % \begin{frame}
@@ -121,7 +124,40 @@ \section{Introduction}
 \END
 \end{frame}
 
+\section{Version control with git}
+
+\section{Digging deeper}
+
+\begin{frame}
+\begin{itemize}
+\item \texttt{git cat-file -p \textit{thing}}
+\item \texttt{\detokenize{git cat-file -p HEAD^{tree}}}
+\item \texttt{git cat-file tree \textit{hash} | hexdump -C}
+\end{itemize}
+
+% https://git-scm.com/book/en/v2/Git-Internals-Git-Objects
+
+\end{frame}
+
+\section{Conclusion}
+
 \begin{frame}{Conclusion}
 \end{frame}
 
+\section{Exercises}
+
+\begin{frame}{Exercises}
+\begin{itemize}
+\item Install git
+\item Create a new repo locally and commit some changes
+\item Check out \href{https://github.com/py-yyc/git-init}{github.com/py-yyc/git-init}
+\item Send a pull request with your change
+\end{itemize}
+Advanced:
+\begin{itemize}
+\item Extend the hash-computing code to work with directories and multiple
+commits
+\end{itemize}
+\end{frame}
+
 \end{document}

presentation.tex

@@ -13,8 +13,7 @@ import time
 import tokenize
 
 # Not used by this script, but allows snippets to skip the import
-import datetime
-import pendulum
+from tempfile import TemporaryDirectory
 
 try:
     last_t_type = None