Linus Torvalds created Git as a distributed revision control system after needing an alternative to BitKeeper for the Linux kernel project. Git allows independent and distributed control over versions of files without needing a central server. Popular projects like Twitter, Facebook, and CakePHP use Git due to its fast and distributed nature. Source code, documents, images and other files can be stored in Git repositories. Basic Git workflows involve cloning or initializing a repository, making changes, committing changes locally, merging conflicts if any, and pushing changes to a remote repository.

1. Introduction to Git
OJ Tibi <oj@tibi.ph>
Saturday, June 18, 2011
Greets to all.
Ask how many have used Git, of any other RCS, CVS, SVN, etc.

2. About Me
• Ex-ninja of PoliticalArena.com and newbie
warrior at Shopinas.com
• 3+ years enjoying CakePHP
• Fedora fan
Saturday, June 18, 2011
Short description about the author of the presentation.

3. What is Git?
Saturday, June 18, 2011
Git is a distributed revision control system (RCS). An RCS is a kind of software that tracks
changes on files that are in a certain repository. “Distributed” describes how Git does not
need a central server to record changes on the said repository.

4. Saturday, June 18, 2011
Short information about Linus Torvalds and on creating Git.
Linus (and the Linux project) needed a new RCS after BitKeeper became non-free.
Linus found that current SCMs lack performance, decided to make Git.

5. Saturday, June 18, 2011
Short information about Linus Torvalds and on creating Git.
Linus (and the Linux project) needed a new RCS after BitKeeper became non-free.
Linus found that current SCMs lack performance, decided to make Git.

6. Saturday, June 18, 2011
Short information about Linus Torvalds and on creating Git.
Linus (and the Linux project) needed a new RCS after BitKeeper became non-free.
Linus found that current SCMs lack performance, decided to make Git.

7. Saturday, June 18, 2011
Short information about Linus Torvalds and on creating Git.
Linus (and the Linux project) needed a new RCS after BitKeeper became non-free.
Linus found that current SCMs lack performance, decided to make Git.

8. Git is...
• A distributed revision
control system
• Created by Linus
Torvalds and Junio
Hamano
• Independent of network
access or a central
server (reminds you of
SVN, huh?)
Saturday, June 18, 2011
Short description about Git.

9. Who Uses Git?
Saturday, June 18, 2011
List of companies or projects that use Git, starts with Twitter...

10. Saturday, June 18, 2011
...Facebook, and CakePHP as examples of projects that use Git.
These projects and companies rely on the fast, independent, distributed nature of Git.

11. Saturday, June 18, 2011
...Facebook, and CakePHP as examples of projects that use Git.
These projects and companies rely on the fast, independent, distributed nature of Git.

12. Saturday, June 18, 2011
...Facebook, and CakePHP as examples of projects that use Git.
These projects and companies rely on the fast, independent, distributed nature of Git.

13. Saturday, June 18, 2011
...Facebook, and CakePHP as examples of projects that use Git.
These projects and companies rely on the fast, independent, distributed nature of Git.

14. Where to Use Git?
Saturday, June 18, 2011
Following is a list of file types where one may consider putting into an RCS, specifically Git.

15. Saturday, June 18, 2011
Source code, talk about kinds of source code (HTML5, CSS3, PHP, Python, Ruby, JS)
“Projects like the web site of a multinational company that hopefully wouldn’t get hacked
again and again...”

16. Saturday, June 18, 2011
PDFs, text documents, spreadsheets, presentations
Next: images (binaries)

17. Saturday, June 18, 2011
PDFs, text documents, spreadsheets, presentations
Next: images (binaries)

18. Saturday, June 18, 2011
PDFs, text documents, spreadsheets, presentations
Next: images (binaries)

19. Saturday, June 18, 2011
PDFs, text documents, spreadsheets, presentations
Next: images (binaries)

20. Saturday, June 18, 2011
Images (and some binaries), YMMV, as not all images are recommended to be kept inside
source control. Most projects need images, so you might want to count them in. SVG
illustrations, PNG icons, GIF diagrams of your corporate network, JPG photos and even
sometimes PSDs... just to make sure you can roll back to something in case you need to
make some edits. :)

21. Saturday, June 18, 2011
Images (and some binaries), YMMV, as not all images are recommended to be kept inside
source control. Most projects need images, so you might want to count them in. SVG
illustrations, PNG icons, GIF diagrams of your corporate network, JPG photos and even
sometimes PSDs... just to make sure you can roll back to something in case you need to
make some edits. :)

22. Saturday, June 18, 2011
Images (and some binaries), YMMV, as not all images are recommended to be kept inside
source control. Most projects need images, so you might want to count them in. SVG
illustrations, PNG icons, GIF diagrams of your corporate network, JPG photos and even
sometimes PSDs... just to make sure you can roll back to something in case you need to
make some edits. :)

23. Saturday, June 18, 2011
Images (and some binaries), YMMV, as not all images are recommended to be kept inside
source control. Most projects need images, so you might want to count them in. SVG
illustrations, PNG icons, GIF diagrams of your corporate network, JPG photos and even
sometimes PSDs... just to make sure you can roll back to something in case you need to
make some edits. :)

24. Saturday, June 18, 2011
Images (and some binaries), YMMV, as not all images are recommended to be kept inside
source control. Most projects need images, so you might want to count them in. SVG
illustrations, PNG icons, GIF diagrams of your corporate network, JPG photos and even
sometimes PSDs... just to make sure you can roll back to something in case you need to
make some edits. :)

25. Getting Git
Saturday, June 18, 2011
Explain the methods how Git can be obtained.

26. Git It Here
• *Nix • http://git-scm.com/
download (build it, old-
• yum install git school)
• apt-get install git-core • http://macports.org/
• http://git-scm.com/ • PC
download
• http://code.google.com/
• Mac p/msysgit
• http://code.google.com/
p/git-osx-installer/
Saturday, June 18, 2011
*Note: Didn’t include Cygwin because it’s kinda bloated.

27. Basic Git Workflow
Saturday, June 18, 2011
To work effectively using Git...

28. “init” or “clone” a repo make changes
“add” and “commit” your changeset
“merge” conflicts, if any
“push” changes to “pull” changes from remote
remote
“format-patch” for submission
“tag” a version for
release
Saturday, June 18, 2011
A basic understanding of a Git workflow. Unlike SVN, Git needs an additional step to “push”
changes from the local repository to the remote repository.

29. “format-patch” what?!?
• git format-patch enables the user to create
patches that can be sent via e-mail.
• Was useful for Linux kernel devs, reviewing
code in small teams.
Saturday, June 18, 2011
format-patch lets the user make patches that can be submitted via electronic mail.
site how Linux devs review the code by peers before submitting to the main repository.

30. Share Your Code!
• “git format-patch” old-skool, but effective
for peers
• “git push” to a remote repository
• it, or try
Saturday, June 18, 2011
Offer some choices on how to share a Git repository.

31. Further Reading
• http://git-scm.com/
• http://gitref.org/
• http://www.kernel.org/
pub/software/scm/git/
docs/gittutorial.html
• http://help.github.com/
• Google it (of course)
Saturday, June 18, 2011
Some reading resources for Git learning.

32. ~Fin~
Always code as if the guy who ends up maintaining your code will be
a violent psychopath who knows where you live. ~ Martin Golding
Saturday, June 18, 2011
That concludes the introduction to Git. I hope you had some insight and use it for your
projects.

33. Follow me!
http://twitter.com/ojtibi
http://tibi.ph/
Saturday, June 18, 2011
Don’t forget to follow me on Twitter and visit my weblog.
Introduction to Git by OJ Tibi is licensed under a Creative Commons Attribution-ShareAlike
3.0 Unported License.