Git Introduction

An Introduction to Git
Anil Wadghule
[email_address]

S cope of Talk
What this talk is and what it isn’t
Me, myself
What is?
Why use?
How to? (a quick run through)‏
Quick comparisons (with SVN)‏
Resources

P urpose
What this talk is?
Get you interested
Get you started with Git
What it isn’t?
Not a tutorial

W ho am I?
(or why should you listen to me)‏
24/male/single :)‏
Technology consultant
Ruby/Rails hacker
SE @ MangoSpring

H istory (Git’s, not mine)‏
Originally written by Linus Torwalds
Currently maintained by Junio Hamano
To manage Linux Kernel development
Open source, free (GNU GPL V2)‏

W hat the heck is Git?
Distributed Source Control Management tool
Very Powerful
An order of magnitude fast than other tools
I call it next generation Unix :)‏

A bout Git / General features
Strong support for non-linear development
Distributed development
Toolkit design(c progs and shell scripts, perl scripts )‏
Cryptographic auth. history

W here can you use Git?
For personal projects (Single person, eg. many Rails projects)
For very large projects (Linux kernel)‏
For almost all size of team projects (OLPC)‏

G it Installation
Using source (linux/macs/similar)‏
Using packages e.g.
port for mac, apt for ubuntu ...
For Windoze ... cygwin

G it Demo
Quick walk through Setting up Git for a Rails app, basic usage, commit, diff, merge, checkout, branches ...

W hy Git?
Distributed development

W hy Git?
SVN/CVS Centralized development

W hy Git?
Efficient convenient Branching and Merging
Network not necessary | offline
Fast (logs, history, diff)‏
Toolkit design, extensible
Scales well (Subversion not suited)

W hy Git?
Clean

W hy Git?
Branching and merging

W hy Git?
Git works with Content not files

W hy Git?
Content, tracks change of content
Use git commit -a to fake file behaviour

E veryday Git
fsck, count-objects, gc
log, show branch, checkout
add, diff, status, commit, reset
rebase, tag

R epositories
Setup repositories easily
clone, fetch, pull, push
Multiple tracking branches over repository
Fork other repository

M any other tools
Web interface
Blame files, who edited
Archive the files
One important -> git-svn

S ubversion
git-svn clone svn://repo
Do normal git things on it
git-svn dcommit
git-svn rebase -> to get updates
perl bindings and subversion must be installed

N ow what?
What you can do now?
Start using Git
Forget SVN/CVS
Get advantages of distributed source control system

R esources
Git Home Page
git.or.cz
Wikipedia entry on git
en.wikipedia.org/wiki/Git_(Software)‏
Linus Torwalds Git talk at Google vid.
youtube.com/watch?v=4XpnKHJAok8

Git is Future!

Thank you!
Questions?

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Git Introduction

by Anil Wadghule on Feb 16, 2008

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