presentations/2013/sf.pm/pres.tex

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\author[@dukeleto]{Jonathan "Duke" Leto\\\small{@dukeleto\\letolabs.com\\duke@leto.net}}
\date{}
\title[Git.init()\hspace{2em}\insertframenumber/
\inserttotalframenumber]{Learning To Love The DAG For Fun And Profit}
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\begin{document}

\frame[t]{
    \begin{center}
            \includegraphics[scale=0.15]{pdxgit-simantel-green}
    \end{center}
    \titlepage
}

\frame{
    \frametitle{ \includegraphics[scale=0.2]{pdxgit} A Bit About Me }
    \begin{center}
        \begin{itemize}
            \item PDX Git Together
            \item Git consulting
            \item Parrot Virtual Machine
            \item Google Summer of Code
            \item ...
        \end{itemize}
    \end{center}

}

\frame{
    \frametitle{What *is* Git, exactly?}
    \begin{center}
        \begin{itemize}
        \item A DAG (Directed Acyclic Graph)
        \item A content tracker
        \item A diverse community with a common bond
        \item A collection of implementations
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    DAG = Directed Acyclic Graph
    \begin{center}
        \begin{itemize}
        \item a "Tree of Arrows"
        \item You can't be your own Grandpa
        \item Graph = nodes + vertices
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    A content tracker
    \begin{center}
        \begin{itemize}
        \item Originally "an information manager from hell"
        \item Track changes in content, storing the diffs
        \item An empty directory has no content
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    A diverse community with a common bond
    \begin{center}
        \begin{itemize}
        \item Started with Linus in kernel-land and then spread quickly
        \item Now: web app developers, UI designers, scientists, professors...
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    A Collection of Implementations
    \begin{center}
        \begin{itemize}
        \item "official" Git 1.x
        \item JGit - Git 1.x server in Java
        \item libgit2 - "fresh start" linkable library in C
        \item js-git - Very alpha implementation in Javascript
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    Git 1.x
    \begin{center}
        \begin{itemize}
        \item /bin/sh
        \item C
        \item Perl (git svn, git add -i)
        \item Some optional optimized assembly
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    JGit
    \begin{center}
        \begin{itemize}
        \item Git server written in Java
        \item Eclipse
        \item Gerrit Code Review
        \item various commercial products
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    libgit2.github.com
    \begin{center}
        \begin{itemize}
        \item No dependencies
        \item ANSI 89 C for max(portability)
        \item Linkable, re-entrant C library
        \item Designed for multi-threading
        \item Funded by: Github + Microsoft
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{What *is* Git, exactly?}
    github.com/creationix/js-git
    \begin{center}
        \begin{itemize}
        \item Git in Pure JavaScript
        \item Currently only read-only supports
        \item Funded on bountysource.com
        \item Large donations from Mozilla + Adobe
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{Git + Perl community similarities}
    \begin{center}
        \begin{itemize}
        \item Perl 5 $\sim$ Git 1.x
        \item Perl 6 $\sim$ libgit2
        \end{itemize}
    \end{center}
}

%\frame{
%    \frametitle{}
%    \begin{center}
%        \begin{itemize}
%        \item 
%        \end{itemize}
%    \end{center}
%}

\frame{
    \frametitle{Recent Features: 1.8.4}
    \begin{huge}
    git clean -i
    \end{huge}

    "interactive cleaning"
}
\frame{
    \frametitle{Useful Features}

    \begin{huge}
    git checkout -
    \end{huge}

    "checkout the last branch I was on"
}

\frame{
    \frametitle{Useful Features}

    \begin{huge}
    git merge -
    \end{huge}

    "merge the last branch I was on"
}

\frame{
    \frametitle{Useful Features}

    git blame -L 20,50 foo.txt \# lines 20-50

    git blame -L 10,+10 foo.txt \# lines 10-20

    git blame -L 50,-10 foo.txt \# lines 40-50
}

\frame{
    \frametitle{Coming Soon! in 1.8.5}

    git log HEAD <=> git log @
}
\frame{
    \frametitle{Coming Soon! in 1.8.5}

    git -C foo/ status $\sim$ make -C foo/
}

\frame{
    \frametitle{Extra Credit}
    \# Read the first Git commit by Linus himself

    \# Thu Apr 7 15:13:13 2005

    \$ git clone git://github.com/git/git.git

    \$ git show e83c5163
}

\frame{
    \frametitle{How I Can Help You}
    Git It Together
    \begin{center}
        \begin{itemize}
            \item Educating stakeholders on the value of Git
            \item On-site Training
            \item Implementing Git at your organization
            \begin{itemize}
                \item Converting from cvs|svn|? $\rightarrow$ Git
                \item Continuous Integration
                \item Deployment from Git
                \item Custom workflow creation + documentation
            \end{itemize}
            \item letolabs.com
        \end{itemize}
    \end{center}
}

\frame{
    \frametitle{git merge -s=social}
    \begin{center}
        \begin{itemize}
           \item @dukeleto
           \item 209.691.DUKE
           \item duke.leto.net
           \item duke@leto.net
           \item linkedin.leto.net
           \item IRC: dukeleto on Freenode, Mozilla, Perl
        \end{itemize}
    \end{center}
}


\frame{
    \frametitle{Mahalo!}
    \includegraphics[scale=1.5]{pdxgit}
    % \includegraphics[height=\paperheight]{pdxgit}
}
\end{document}