initaal commit

Signed-off-by: Karel Zak <kzak@redhat.com>
author: Karel Zak <kzak@redhat.com> 2007-12-20 12:15:59 +0100
committer: Karel Zak <kzak@redhat.com> 2007-12-20 12:15:59 +0100
commit: 816374aec06cd266f01136ccbe8d913d8e67aa62 (patch)
tree: 40b19d2a9ff853ba2c9d0ffc5aad8e425bb8155f
download: git-presentation-816374aec06cd266f01136ccbe8d913d8e67aa62.tar.gz
git-presentation-816374aec06cd266f01136ccbe8d913d8e67aa62.tar.xz
git-presentation-816374aec06cd266f01136ccbe8d913d8e67aa62.zip
21 files changed, 4483 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c7d9909
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,63 @@
+SHOW=yes
+PDFVIEWER=evince
+LATEX=pdflatex
+
+# targets
+all: git.pp.pdf
+
+.PHONY: all clean handout notes
+
+# Don't touch this, HAHA.
+clean: TEXS=$(patsubst %.tex,%,\
+	$(filter-out %.pp.tex %.handout.tex %.notes.tex %.text.tex,\
+	$(wildcard *.tex)))
+clean: PRESENTATION_TMPS=$(wildcard \
+	$(addsuffix .pp.tex,$(TEXS)) \
+	$(addsuffix .handout.tex,$(TEXS)) \
+	$(addsuffix .notes.tex,$(TEXS)) \
+	$(addsuffix .text.tex,$(TEXS)))
+clean: TEX_TMPS=$(filter-out %.tex %.png %.orig %.zal, \
+	$(wildcard $(addsuffix .*,$(TEXS))))
+clean:
+	$(RM) $(wildcard $(PRESENTATION_TMPS) $(TEX_TMPS)) *~
+
+%.pdf: %.tex
+	$(LATEX) $<
+	$(LATEX) $<
+	if [ "$(SHOW)" == "yes" ]; then $(PDFVIEWER) $@; fi
+
+%.png: %.pdf
+	pstoimg -depth 8 -density 120 -antialias -aaliastext -multipage -out $@ $<
+	touch $@
+
+%.eps: %.svg
+	inkscape -z -f $< -D --export-area-snap -E $@
+
+%.pdf: %.eps
+	epstopdf --outfile=$@ $<
+
+
+# presentation/article texs/pdfs
+%.text.tex: %.tex
+	echo '\def\RHpresentationHead#1{}\def\RHarticleHead#1{#1}' >$@
+	echo '\input $<' >>$@
+
+%.pp.tex: %.tex
+	echo '\def\RHpresentationHead#1{#1}\def\RHarticleHead#1{}' >$@
+	echo '\input $<' >>$@
+
+%.handout.tex: %.tex
+	echo '\def\RHpresentationHead#1{#1}\def\RHarticleHead#1{}' >$@
+	echo '\PassOptionsToClass{handout}{beamer}' >>$@
+	echo '\input $<' >>$@
+
+%.notes.tex: %.tex
+	echo '\def\RHpresentationHead#1{#1\setbeameroption{show only notes}}' >$@
+	echo '\def\RHarticleHead#1{}' >>$@
+	echo '\PassOptionsToClass{handout}{beamer}' >>$@
+	echo '\input $<' >>$@
+
+%.text.pdf: %.text.tex %.tex
+%.pp.pdf: %.pp.tex %.tex
+%.handout.pdf: %.handout.tex %.tex
+%.notes.pdf: %.notes.tex %.tex
diff --git a/background.png b/background.png
new file mode 100644
index 0000000..73f4161
--- /dev/null
+++ b/background.png
diff --git a/beamerthemeGit.sty b/beamerthemeGit.sty
new file mode 100644
index 0000000..d372ff3
--- /dev/null
+++ b/beamerthemeGit.sty
@@ -0,0 +1,199 @@
+% vim:set tw=0:
+
+\RequirePackage{graphics}
+\ProvidesPackage{beamerthemeGit}
+
+\mode<presentation> {
+
+% color definitions
+\definecolor{rhgrey}{RGB}{204,204,204}
+\definecolor{rhgrey2}{RGB}{224,224,224}
+\definecolor{rhred}{RGB}{204,0,0}
+\definecolor{rhred2}{RGB}{173,35,57}
+\definecolor{rhred3}{RGB}{151,37,55}
+\definecolor{rhred4}{RGB}{138,10,7}
+
+\setbeamercolor{structure}{fg=rhred4}
+\setbeamercolor{local structure}{fg=rhgrey}
+\setbeamercolor{alerted text}{fg=rhred}
+
+\setbeamercolor{palette primary}{bg=rhred!50}
+\setbeamercolor{palette secondary}{bg=rhred!60}
+\setbeamercolor{palette tertiary}{bg=rhred!70}
+\setbeamercolor{palette quaternary}{bg=rhred}
+
+\setbeamercolor{section in head/foot}{bg=rhgrey2,fg=black}
+\setbeamercolor{subsection in head/foot}{bg=rhgrey,fg=black}
+%\setbeamerfont*{section in head/foot}{size={}}
+%\setbeamerfont*{subsection in head/foot}{size={}}
+
+% revert local structure's gray for description items
+%\setbeamercolor{description item}{parent=structure}
+\setbeamercolor{description item}{fg=black!60}
+
+% square items
+\useinnertheme{rectangles}
+% centered squares
+\setbeamertemplate{itemize item}{\rule[0.5ex]{0.5ex}{0.5ex}}
+\setbeamertemplate{itemize subitem}{\small\rule[0.5ex]{0.5ex}{0.5ex}} 
+\setbeamertemplate{itemize subsubitem}{\small\rule[0.5ex]{0.5ex}{0.5ex}} 
+
+% normal sized block titles
+\setbeamerfont{block title}{size={}}
+
+% bold titles
+\setbeamerfont{structure}{series=\bfseries}
+
+% use this around \frame{\titlepage} and \frame{\partpage}
+\newenvironment{rhbg}
+    {\setbeamertemplate{background canvas}%
+	{\includegraphics[width=\paperwidth,height=\paperheight]{background.png}}
+    \setbeamercolor{structure}{fg=white}
+    \setbeamercolor{palette quaternary}{fg=white}
+    \setbeamercolor*{normal text}{fg=white,bg={}}
+    \usebeamercolor*{normal text}
+    \rh@rhbg=1\relax
+    }
+    {\rh@rhbg=0\relax
+    }
+\newcount\rh@rhbg
+\rh@rhbg=0\relax
+% \rh@rhbg=1 -- turns off headline
+
+
+% share default colors
+\setbeamercolor{author}{parent=titlelike}
+\setbeamercolor{institute}{parent=titlelike}
+\setbeamercolor{date}{parent=titlelike}
+\setbeamercolor{part name}{parent=titlelike}
+\setbeamercolor{math text}{parent=normal text}
+\setbeamercolor{normal text in math text}{parent=normal text}
+\setbeamercolor{abstract}{parent=normal text}
+\setbeamercolor{itemize/enumerate body}{parent=normal text}
+\setbeamercolor{itemize/enumerate subbody}{parent=normal text}
+\setbeamercolor{itemize/enumerate subsubbody}{parent=normal text}
+
+% blocks
+\setbeamercolor{block title}{fg=white,bg=rhred4!90}
+\setbeamercolor{block title alerted}{use=alerted text,use=block title,fg=alerted text.fg!30!block title.fg,bg=block title.bg}
+\setbeamercolor{block title example}{use=example text,use=block title,fg=example text.fg!30!block title.fg,bg=block title.bg}
+
+\setbeamercolor{block body}{parent=normal text,bg=rhgrey2!50}
+\setbeamercolor{block body alerted}{parent=normal text,use=block title alerted,use=block body,fg=alerted text.fg!50!fg,bg=block body.bg}
+\setbeamercolor{block body example}{parent=normal text,use=block title example,use=block body,fg=example text.fg!40!fg,bg=block body.bg}
+
+\setbeamertemplate{blocks}[rounded]
+
+% normal size font
+\setbeamerfont*{institute}{}
+
+% removed centering, adjusted lengths and order
+\setbeamertemplate{title page}
+{
+  \vbox{}\vskip 2ex%
+  \begin{beamercolorbox}[sep=3pt]{title}
+    \usebeamerfont{title}\inserttitle\par%
+    \ifx\insertsubtitle\@empty%
+    \else%
+      \vskip0.20em%
+      {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
+    \fi%     
+  \end{beamercolorbox}%
+  \vskip0.5em\par
+
+  \begin{beamercolorbox}[sep=3pt]{institute}
+    \usebeamerfont{institute}\insertinstitute
+  \end{beamercolorbox}
+  \begin{beamercolorbox}[sep=3pt]{author}
+    \usebeamerfont{author}\insertauthor
+  \end{beamercolorbox}
+  \begin{beamercolorbox}[sep=3pt]{date}
+    \usebeamerfont{date}\insertdate
+  \end{beamercolorbox}\vskip0.5em
+  {\usebeamercolor[fg]{titlegraphic}\inserttitlegraphic\par}
+  \vfill
+}
+
+% removed centering and adjusted lengths
+\setbeamertemplate{part page}
+{
+  {\usebeamerfont{part name}\usebeamercolor[fg]{part name}\partname~\insertromanpartnumber}
+  \vskip0.5em\par
+  \begin{beamercolorbox}[sep=3pt]{part title}
+    \usebeamerfont{part title}\insertpart\par
+  \end{beamercolorbox}
+  \vfill
+} 
+
+% similar thing for sections
+\setbeamertemplate{section page}
+{
+  {\usebeamerfont{part name}\usebeamercolor[fg]{part name}\sectionname~\thesection}
+  \vskip0.5em\par
+  \begin{beamercolorbox}[sep=3pt]{part title}
+    \usebeamerfont{part title}\insertsectionhead\par
+  \end{beamercolorbox}
+  \vfill
+} 
+
+% adjusted lengths and added the logo
+\setbeamertemplate{frametitle}
+{
+  \ifbeamercolorempty[bg]{frametitle}{}{\nointerlineskip}%
+  \@tempdima=\textwidth%
+  \advance\@tempdima by\beamer@leftmargin%
+  \advance\@tempdima by\beamer@rightmargin%
+  \begin{beamercolorbox}[sep=0.9cm,wd=\the\@tempdima]{frametitle}
+    \usebeamerfont{frametitle}%
+    \hbox{}\vskip-3.9ex\hskip-2ex%
+    \if@tempswa\else\csname beamer@fte\endcsname\fi%
+    \par%
+    \vbox{}\vskip-2ex%
+    \strut\insertframetitle\strut\par%
+    {%
+      \ifx\insertframesubtitle\@empty%
+      \else%
+      {\usebeamerfont{framesubtitle}\usebeamercolor[fg]{framesubtitle}\insertframesubtitle\strut\par}%
+      \fi
+    }%
+    \vskip-0.5ex%
+    \if@tempswa\else\vskip-0.9cm\fi% set inside beamercolorbox... evil here...
+  \end{beamercolorbox}%
+}
+
+% only print if not empty and don't take any space
+\setbeamertemplate{headline}
+{
+  \ifnum\c@framenumber=0%
+  \else
+  \ifnum\rh@rhbg=0%
+  \ifx\insertframetitle\@empty% headline without rh logo is ugly
+  \else
+  % calc the width
+  \ifx\insertsubsectionhead\@empty
+    \rh@tempdim=\paperwidth
+  \else
+    \rh@tempdim=.7\paperwidth
+  \fi
+  % draw
+  \setbox\rh@temprhheadline\hbox to \textwidth{\hbox{}\hfill%
+  \begin{beamercolorbox}[wd=\rh@tempdim,ht=2.5ex,dp=0.5ex,right]{section in head/foot}%
+    \usebeamerfont{section in head/foot}\insertsectionhead\hspace*{2ex}
+  \end{beamercolorbox}%
+    \ifx\insertsubsectionhead\@empty%
+    \else
+    \begin{beamercolorbox}[wd=.3\paperwidth,ht=2.5ex,dp=0.5ex,left]{subsection in head/foot}%
+      \usebeamerfont{subsection in head/foot}\hspace*{2ex}\insertsubsectionhead
+    \end{beamercolorbox}%
+    \fi}
+
+  \box\rh@temprhheadline
+  \fi
+  \fi
+  \fi
+}
+
+\newbox\rh@temprhheadline
+\newdimen\rh@tempdim
+
+}
diff --git a/git-centralized.png b/git-centralized.png
new file mode 100644
index 0000000..a66726a
--- /dev/null
+++ b/git-centralized.png
diff --git a/git-centralized.svg b/git-centralized.svg
new file mode 100644
index 0000000..b35da0b
--- /dev/null
+++ b/git-centralized.svg
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+\headcommand {\beamer@subsectionpages {17}{20}}
+\headcommand {\slideentry {5}{0}{10}{21/21}{}{0}}
+\headcommand {\beamer@framepages {21}{21}}
+\headcommand {\slideentry {5}{0}{11}{22/22}{}{0}}
+\headcommand {\beamer@framepages {22}{22}}
+\headcommand {\sectionentry {6}{Commands}{23}{Commands}{0}}
+\headcommand {\beamer@sectionpages {21}{22}}
+\headcommand {\beamer@subsectionpages {21}{22}}
+\headcommand {\slideentry {6}{0}{12}{23/23}{}{0}}
+\headcommand {\beamer@framepages {23}{23}}
+\headcommand {\slideentry {6}{0}{13}{24/24}{}{0}}
+\headcommand {\beamer@framepages {24}{24}}
+\headcommand {\beamer@subsectionpages {23}{24}}
+\headcommand {\slideentry {6}{1}{1}{25/25}{Commits and patches}{0}}
+\headcommand {\beamer@framepages {25}{25}}
+\headcommand {\slideentry {6}{1}{2}{26/26}{Commits and patches}{0}}
+\headcommand {\beamer@framepages {26}{26}}
+\headcommand {\slideentry {6}{1}{3}{27/27}{Commits and patches}{0}}
+\headcommand {\beamer@framepages {27}{27}}
+\headcommand {\slideentry {6}{1}{4}{28/28}{Commits and patches}{0}}
+\headcommand {\beamer@framepages {28}{28}}
+\headcommand {\slideentry {6}{1}{5}{29/29}{Commits and patches}{0}}
+\headcommand {\beamer@framepages {29}{29}}
+\headcommand {\sectionentry {7}{Misc}{30}{Misc}{0}}
+\headcommand {\beamer@sectionpages {23}{29}}
+\headcommand {\beamer@subsectionpages {25}{29}}
+\headcommand {\slideentry {7}{0}{6}{30/30}{}{0}}
+\headcommand {\beamer@framepages {30}{30}}
+\headcommand {\slideentry {7}{0}{7}{31/31}{}{0}}
+\headcommand {\beamer@framepages {31}{31}}
+\headcommand {\slideentry {7}{0}{8}{32/32}{}{0}}
+\headcommand {\beamer@framepages {32}{32}}
+\headcommand {\beamer@partpages {1}{32}}
+\headcommand {\beamer@subsectionpages {30}{32}}
+\headcommand {\beamer@sectionpages {30}{32}}
+\headcommand {\beamer@documentpages {32}}
+\headcommand {\def \inserttotalframenumber {32}}
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--- /dev/null
+++ b/git.pp.out
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diff --git a/git.pp.pdf b/git.pp.pdf
new file mode 100644
index 0000000..80e0484
--- /dev/null
+++ b/git.pp.pdf
diff --git a/git.pp.snm b/git.pp.snm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/git.pp.snm
diff --git a/git.pp.toc b/git.pp.toc
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index 0000000..356ac93
--- /dev/null
+++ b/git.pp.toc
@@ -0,0 +1,11 @@
+\beamer@endinputifotherversion {3.01pt}
+\beamer@sectionintoc {1}{Intro}{4}{0}{1}
+\beamer@subsectionintoc {1}{1}{Development model}{6}{0}{1}
+\beamer@sectionintoc {2}{Implementation}{9}{0}{2}
+\beamer@subsectionintoc {2}{1}{Naming revisions}{12}{0}{2}
+\beamer@sectionintoc {3}{Repositories}{15}{0}{3}
+\beamer@sectionintoc {4}{Branches}{17}{0}{4}
+\beamer@sectionintoc {5}{Real life with Git}{21}{0}{5}
+\beamer@sectionintoc {6}{Commands}{23}{0}{6}
+\beamer@subsectionintoc {6}{1}{Commits and patches}{25}{0}{6}
+\beamer@sectionintoc {7}{Misc}{30}{0}{7}
diff --git a/git.tex b/git.tex
new file mode 100644
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--- /dev/null
+++ b/git.tex
@@ -0,0 +1,563 @@
+% vim: set tabstop=4:
+% vim: set shiftwidth=4:
+% vim: set expandtab:
+
+\RHpresentationHead{
+    \documentclass[pdftex,unicode,xcolor=table,slidestop,compress]{beamer}
+}
+
+\RHarticleHead{
+    % This does not work, because of colors, \insertauthor, etc.
+    \documentclass[a4paper,12pt,pdftex,unicode]{article}
+    \usepackage[envcountsect]{beamerarticle}
+}
+
+%\usepackage{pgfpages}
+\usetheme{Git}
+\setbeamertemplate{navigation symbols}{}
+\setbeamercovered{transparent=5}
+
+\usepackage[utf8]{inputenc}
+%\usepackage[lang]{babel}
+\usepackage{setspace,amsfonts,calc,upquote,hyperref,floatflt,graphicx}
+\usepackage[table]{xcolor}
+\usepackage{colortbl}
+\usepackage[absolute,overlay]{textpos}
+
+\defverb\verbemail|Random Hacker <rand@hacker.com>|
+\defverb\kzakemail|<kzak@redhat.com>|
+
+% presentation title/author/etc.
+\title{Git}
+\subtitle{(Why not CVS? ... because Git.)}
+\author{Karel Zak\\
+\kzakemail}
+\date{}
+
+% fancy section/part pages?
+%\fancySectionOpens
+%\fancyPartOpens
+
+
+\begin{document}
+
+\begin{rhbg}
+\begin{frame}
+    \titlepage
+\end{frame}
+\end{rhbg}
+
+\begin{frame}[plain]
+\vspace*{30ex}
+Copyright \copyright{}\ \ \the\year\ \ Karel Zak.\\
+\vspace*{1ex}
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.2
+or any later version published by the Free Software Foundation;
+with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
+Texts.
+\end{frame}
+
+% table of contents
+\begin{frame}
+    \frametitle{Agenda}
+    \tableofcontents
+\end{frame}
+
+\section{Intro}
+
+\begin{frame}
+    \frametitle{What is Git?}
+    \begin{quote}
+    ``I'm an egotistical bastard, and I name all my projects after myself. First 'Linux', now 'git'.'' (Linus Torvalds)
+    \end{quote}
+    \vspace*{4ex}
+    \begin{itemize}
+        \item fast distributed revision control system
+        \item unusually rich command set
+        \item provides both high-level operations and full access to internals
+        \item originally created by Linus Torvalds for kernel development
+        \item design was inspired by BitKeeper and Monotone
+        \item GNU General Public License, version 2
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Basic features}
+    \begin{itemize}
+        \item distributed development model
+        \item support for non-linear development (branching and merging)
+        \item ready for large projects (very good performance)
+        \item repositories can be easily published (git://, ssh://, http://, rsync://, ...)
+        \item cryptographic authentication of history (GPG-signed tags)
+        \item internally objects are addressed by content (SHA-1) -- no filenames
+        \item local branches are local only (off-line work)
+    \end{itemize}
+\end{frame}
+
+\subsection{Development model}
+
+\begin{frame}
+    \frametitle{Centralized model}
+    \resizebox{7cm}{4cm}{\includegraphics{git-centralized.png}}
+    \begin{itemize}
+        \item extra policy for write access
+        \item SCM is not development tool, but source code archive only
+        \item every change has impact to all developers
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Distributed model}
+    \resizebox{8cm}{5cm}{\includegraphics{git-distributed.png}}
+    \begin{itemize}
+        \item maintainer has full control over primary (his) repository
+        \item support for non-linear development
+        \item repositories can be easily published (git://, ssh://, http://, ...)
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Git improves your work manners and habits}
+    \begin{itemize}
+        \item
+            branching and merging is cheap
+
+        \begin{itemize}
+            \item you can prototyping
+            \item you can collaborate with others developers on incomplete and unstable stuff
+            \item you can easily (e.g. every day) rebase your changes to new upstream code
+            \item often merging (rebase) minimize conflicts between your patches and upstream
+        \end{itemize}
+
+        \item
+            small patch is the best patch (patch per feature/change)
+
+        \begin{itemize}
+            \item reviewers hate huge patches
+            \item well separated feature or change is easy to revert
+        \end{itemize}
+    \end{itemize}
+\end{frame}
+
+\section{Implementation}
+
+
+\begin{frame}
+    \frametitle{Internal objects}
+    \begin{block}{}
+       All objects are content-addressable by SHA-1.
+    \end{block}
+
+    \begin{description}[references]
+        \item[commit] refers to ``tree'' and ``parent`` (connection into the project history)
+        \item[tree] represents the state of a single directory (list of ``blob'' objects and subtrees)
+        \item[blob] contains file data without any other structure
+        \item[references] are human readable names for commits; for example tags, see files under .git/refs/heads/.
+    \end{description}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Internal objects}
+    \resizebox{8cm}{4cm}{\includegraphics{git-objdb.png}}
+    \begin{description}[commit]
+        \item[commit] -- connection between ``tree'' and ``parent``
+        \item[tree] -- state of a single directory
+        \item[blob] -- contain file data
+    \end{description}
+\end{frame}
+
+
+\begin{frame}[containsverbatim]
+    \frametitle{Trust}
+    \begin{itemize}
+        \item everything is content-addressed and based on SHA-1
+        \item two trees are same when HEAD SHA-1 are same
+        \item tags could be GPG-signed
+    \end{itemize}
+
+    \begin{exampleblock}{}
+    \scriptsize{
+    	\begin{verbatim}
+ $ git tag -v v2.13
+ object 49ef7acdf77066ed05a6c828c261d332c4f54644
+ type commit
+ tag v2.13
+ tagger Karel Zak <kzak@redhat.com> Tue Aug 28 01:01:35 2007 +0200
+
+ stable release v2.13
+ gpg: Signature made Tue 28 Aug 2007 01:01:35 AM CEST using DSA key ID DC06D885
+ gpg: Good signature from "Karel Zak <kzak@redhat.com>" \end{verbatim}
+    }
+    \end{exampleblock}
+\end{frame}
+
+
+\subsection{Naming revisions}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Object reference}
+    \defverb\ngrandparent|commit~n|
+    \defverb\nparent|commit^n|
+    \begin{description}[ref@\{date\}]
+        \item[SHA-1] 40-hexdigit object name
+        \item[tag] human readable name for commit
+        \item[\nparent] N-th parent
+        \item[\ngrandparent] N-th generation grand-parent of the named commit object, following only the first parent.
+        \item[ref@\{date\}] specify the value of the ref at a prior point in time
+        \item[:/text] commit whose commit message starts with the specified text
+        \item[HEAD] refers to the head of the current branch
+    \end{description}
+
+    \begin{exampleblock}{}
+        \begin{verbatim} rev~3   =    rev^^^    =   rev^1^1^1 \end{verbatim}
+    \end{exampleblock}
+
+    \begin{exampleblock}{}
+        \begin{verbatim} $ git reset HEAD^ \end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Ranges}
+    \begin{description}[r1...r2]
+        \item[r1..r2] commits reachable from r2 but exclude the ones reachable from r1
+        \item[r1...r2] set of commits that are reachable from either one of r1 or r2 but not from both
+    \end{description}
+
+    \begin{exampleblock}{}
+        \begin{verbatim} $ git log v2.13..v2.14 \end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}
+    \frametitle{"tree-ish"}
+    Lots of commands take a tree as an argument. A tree can be referred to in many different ways, by:
+
+    \begin{itemize}
+        \item name for that tree
+        \item name of a commit that refers to the tree
+        \item name of a branch whose head refers to that tree
+    \end{itemize}
+\end{frame}
+
+\section{Repositories}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Create a repository}
+
+    \begin{itemize}
+        \item create a new repository
+            \begin{exampleblock}{}
+                \small{
+                \begin{verbatim}
+ $ mkdir project
+ $ cd project
+ $ git init \end{verbatim}
+            }
+             \end{exampleblock}
+        \item clone an existing remote repository ("origin" repository)
+            \begin{exampleblock}{}
+                \small{ \begin{verbatim} $ git clone http://foo.com/project \end{verbatim} }
+            \end{exampleblock}
+        \item add a next remote repository
+            \begin{exampleblock}{}
+                \small{
+                \begin{verbatim} $ git config remote.bar.url git://bar.com/project
+ $ git config remote.bar.fetch master:refs/remotes/bar/master
+ $ git fetch bar \end{verbatim}
+                }
+            \end{exampleblock}
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Visualisation}
+    \includegraphics[width=0.9\textwidth]{gitk.png}
+\end{frame}
+
+\section{Branches}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Branches}
+    \begin{exampleblock}{}
+        \begin{verbatim}
+         o--o--o   <-- Branch A
+        /
+ o--o--o--o--o     <-- master
+        \
+         o--o--o   <-- Branch B  \end{verbatim}
+    \end{exampleblock}
+
+    \begin{description}[branch head]
+        \item[branch] is line of development
+        \item[branch head] is a reference to the most recent commit on a branch
+    \end{description}
+    \vspace*{1ex}
+    Branches, remote-tracking branches, and tags are all references to commits.
+
+\end{frame}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Manipulating branches}
+    \defverb\branchname|<branch>|
+    \begin{itemize}
+        \item \structure{git branch} lists, creates, or deletes branches
+        \item \structure{git checkout \branchname} makes the current branch \branchname, updating the working directory
+        \item \structure{git checkout -b \branchname} creates a new branch \branchname check it out
+        \item \structure{git show-branch} shows branches and their commits
+        \item \structure{git diff \branchname..\branchname} diffs between branches
+    \end{itemize}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Rebase branch}
+    \begin{exampleblock}{Before}
+        \begin{verbatim}
+                 A---B---C topic
+                /
+           D---E---F---G master \end{verbatim}
+    \end{exampleblock}
+
+    \begin{exampleblock}{Command}
+        \begin{verbatim} $ git rebase master topic \end{verbatim}
+    \end{exampleblock}
+
+    \begin{exampleblock}{After}
+        \begin{verbatim}
+                         A---B---C topic
+                        /
+           D---E---F---G master \end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Edit 2nd commit from the top}
+    \begin{enumerate}
+        \item create a temporary branch (rewind to the commit in question):
+            \begin{exampleblock}{}
+        \begin{verbatim}    $ git checkout -f -b tmp HEAD~2 \end{verbatim}
+            \end{exampleblock}
+
+        \item reset old changes and redo the commit
+            \begin{exampleblock}{}
+             \begin{verbatim}
+    $ git reset HEAD^
+    $ vim foo.c
+    $ git commit -a -c ORIG_HEAD \end{verbatim}
+            \end{exampleblock}
+
+        \item replay the later changes to the master:
+            \begin{exampleblock}{}
+                \begin{verbatim}    $ git rebase --onto tmp master~2 master \end{verbatim}
+            \end{exampleblock}
+
+        \item clean up (delete) the temporary branch
+            \begin{exampleblock}{}
+                \begin{verbatim}    $ git branch -D tmp \end{verbatim}
+            \end{exampleblock}
+    \end{enumerate}
+\end{frame}
+
+\section{Real life with Git}
+
+\begin{frame}
+    \frametitle{Changes in project history}
+    \begin{itemize}
+        \item the latest patches -- (\texttt{git reset}) reset current HEAD
+
+        \item deep in project history
+            \begin{itemize}
+                \item rebease
+                    \begin{itemize}
+                        \item impact to all rebased commits (new SHA-1)
+                        \item impact to all tags
+
+                        \item useless for publicly pushed changes
+                    \end{itemize}
+                \item patch revert (\texttt{git revert})
+                    \begin{itemize}
+                        \item zero impact to project history
+                    \end{itemize}
+            \end{itemize}
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Send a patch}
+    Basic rules:
+    \begin{itemize}
+        \item one patch per e-mail
+        \item don't use stupid e-mail clients (e.g. Outlook)
+        \item (don't use attachments)
+        \item export patches by \texttt{git format-patch}
+        \item send patches by \texttt{git send-email}
+
+        \item well formatted patch is possible to apply by \texttt{git am}
+
+        \item don't forget to keep correct authorship (e.g when you are not author of the patch)
+
+        \item use commit messages -- a patch without comment is incomplete crap
+    \end{itemize}
+\end{frame}
+
+\section{Commands}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Syntax}
+    \begin{itemize}
+        \item \texttt{git <commandname> [options]}
+        \item \texttt{git-<commandname> [options]}
+    \end{itemize}
+
+    \begin{exampleblock}{High level}
+    	\begin{verbatim} $ git commit -a -s -m "cool change" \end{verbatim}
+    \end{exampleblock}
+    \begin{exampleblock}{Low level}
+    	\begin{verbatim} $ git rev-list --pretty=oneline v2.13.. \end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Basic commands}
+    \begin{description}[git format-path]
+        \item[git init] creates en empty repository at \texttt{./.git}
+        \item[git add] adds file contents to the next commit
+        \item[git reset] resets current HEAD
+        \item[git status] shows the working tree status
+        \item[git commit] records changes to the repository
+        \item[git log] shows commit log
+        \item[git show] shows commit (or another object)
+        \item[git format-path] exports a change
+        \item[git send-email] sends patch(s)
+        \item[git am] applies a series of patches from a mailbox
+    \end{description}
+\end{frame}
+
+\subsection{Commits and patches}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Commit changes}
+    \begin{block}{}
+        \begin{verbatim} git commit [options] [<file>] \end{verbatim}
+    \end{block}
+    \begin{itemize}
+        \item \structure{-a} commits all modified or deleted files
+        \item \structure{-s} adds Signed-off-by line at the end of the commit message
+
+        \item \structure{-c ORIG\_HEAD} reuses a commit message (e.g. from previously reseted commit)
+        \item \structure{--author "\verbemail"} overrides the author name
+
+        \item starts \structure{\$EDITOR} for commit message (or \texttt{-m "<commit message>"})
+    \end{itemize}
+
+    \begin{exampleblock}{}
+    	\begin{verbatim} $ git commit -a -s\end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+     \frametitle{Export patches to files}
+     \begin{block}{}
+        \begin{verbatim} git format-patch [options] <since|range> \end{verbatim}
+     \end{block}
+     \begin{itemize}
+        \item creates one file per patch
+        \item created patches are usable by \structure{git am}
+    \end{itemize}
+    \begin{exampleblock}{}
+    \scriptsize{
+        \begin{verbatim}
+$ git format-patch -o ~/ HEAD~5
+/home/kzak/0001-setterm-opened-file-leaving-unclosed.patch
+/home/kzak/0002-sfdisk-opened-files-leaving-unclosed.patch
+/home/kzak/0003-blockdev-fix-opened-file-leaving-unclosed.patch
+/home/kzak/0004-tailf-opened-file-leaving-unclosed.patch
+/home/kzak/0005-tests-use-losetup-s.patch \end{verbatim}
+    }
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Patch description}
+	\includegraphics[width=0.9\textwidth]{git-patch.png}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+     \frametitle{Send patches by e-mail}
+     \begin{block}{}
+         \begin{verbatim} git send-email [options] <file|dir> \end{verbatim}
+     \end{block}
+     Takes the patches given on the command line and emails them out.\\
+     \begin{itemize}
+        \item no attachments
+        \item no broken patch format
+        \item correct subject line
+     \end{itemize}
+     \begin{exampleblock}{}
+        \begin{verbatim}
+$ git send-email --to "God <father@heaven.com>" \
+                 ~/0001-make-this-world-better.patch \end{verbatim}
+    \end{exampleblock}
+\end{frame}
+
+\begin{frame}[containsverbatim]
+    \frametitle{Browsing changes}
+    \begin{description}[git whatchanged]
+        \item[git log] shows commit logs
+        \item[git show] shows one or more objects (blobs, trees, tags and commits)
+        \item[git blame] shows what revision and author last modified each line of a file
+        \item[git whatchanged] shows logs with difference each commit introduces
+    \end{description}
+    \begin{exampleblock}{}
+    \begin{scriptsize}
+        \begin{verbatim}
+$ git log v2.5..                     # commits since v2.5
+$ git log test..master               # commits reachable from master
+                                     #         but not test
+$ git log --since="2 weeks ago"      # commits from the last 2 weeks
+$ git log Makefile                   # commits which modify Makefile
+$ git log --pretty=format:"%h [%an]" # commit log in format
+                                     #        "sha-1 [Author Name]"
+$ git blame -L 10,15 foo.c           # who modified code between lines
+                                       10 and 15
+$ git show c1a47c171b                # shows selecte object (commit) \end{verbatim}
+    \end{scriptsize}
+    \end{exampleblock}
+\end{frame}
+
+\section{Misc}
+
+\begin{frame}
+    \frametitle{Gitweb}
+	\includegraphics[width=0.9\textwidth]{gitweb.png}
+\end{frame}
+
+\begin{frame}
+  \frametitle{References}
+  \begin{thebibliography}{Git User's Manua}
+  \bibitem[Git User's Manual]{GitUserManual}
+    Git User's Manual
+    \newblock {\url{http://www.kernel.org/pub/software/scm/git/docs/user-manual.html}}
+  \bibitem[Git Tutorial]{GitTutorial}
+    A tutorial introduction to git
+    \newblock {\url{http://www.kernel.org/pub/software/scm/git/docs/tutorial.html}}
+  \bibitem[The perfect patch]{PerfectPatch}
+    The perfect patch
+    \newblock {\url{http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt}}
+  \end{thebibliography}
+\end{frame}
+
+\begin{frame}
+    \hfill
+    \begin{center}
+    {\Huge The end.}
+    \par\vspace*{0.5cm}
+    Thanks for listening.
+    \end{center}
+    \hfill
+\end{frame}
+
+\end{document}
+
+
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author	Karel Zak <kzak@redhat.com>	2007-12-20 12:15:59 +0100
committer	Karel Zak <kzak@redhat.com>	2007-12-20 12:15:59 +0100
commit	816374aec06cd266f01136ccbe8d913d8e67aa62 (patch)
tree	40b19d2a9ff853ba2c9d0ffc5aad8e425bb8155f
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