Open Source Collaboration with Git and GitHub

Super simple introduction to the concepts of Git and how to use GitHub.

Given to the RIT Society of Software Engineers in 2009. http://sse.se.rit.edu/

Transcript

1. Open Source Collaboration
   with Git and GitHub
   Nick Quaranto
   

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2. whoami
   • 4th Year Software Engineering Major
   • From Buffalo
   – Snow is awesome
   – Go Bills
   • Rubyist
   • GitHub Blogger
   

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3. Version control
   sucks.
   

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4. But it doesn’t have
   to.
   

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6. History
   

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7. I'm an egoistical bastard, and I
   name all my projects after
   myself.
   First Linux, now git.
   -Linus Torvalds
   

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8. History
   • BitKeeper debacle
   • Design Goals:
   – CVS as an example of what not to do
   – Distributed workflow
   – Strong safeguards against corruption
   – Very high performance
   • In development since 2005
   

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10. Fast
    1. Fast
    

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11. Directed Acyclic Graph
    

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12. Small
    2. Small
    

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13. Git Internals: Blobs
    457aef93ff7ffbb289f7e1384f900679eacf044a
    main.c
    

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14. Git Internals: Trees
    

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15. Git Internals: Commits
    

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16. Git Internals: Commits
    

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17. Local
    3. Local
    

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18. The Staging Area
    

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19. CHEAP.
    4. Cheap Branching
    

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20. Git Internals: Branches
    branchname
    HEAD
    

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21. Branching
    

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22. Distributed
    5. Distributed
    

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23. Git Internals: Remotes
    branchname
    HEAD
    remotes/server/name
    

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24. Local vs. Remote
    

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25. Any Workflow
    6. Multiple Workflows
    

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26. Centralized
    

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27. Integration Manager
    

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28. Benevolent Dictator
    

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29. Failboat.
    It’s not perfect.
    

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30. The downsides
    • Complexity
    • Windows FTL
    • What's an IDE?
    • Unreadable source
    • Needs some maintenance
    

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32. +
    

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33. =
    

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39. How to Contribute
    1. Fork a repository at GitHub
    2. Clone and connect your local
    repository
    3. Write tests, implement functionality
    4. Commit your local changes
    5. Push your changes to your fork
    6. Make a pull request
    7. Profit!!
    

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40. Demo
    

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41. git log
    • Kudos to Scott Chacon who made
    – http://git-scm.com
    – http://whygitisbetterthanx.com
    • And to Michael Hartl
    – for Building the Insoshi Social Network
    • Wikipedia too.
    nick@quaran.to
    http://litanyagainstfear.com
    

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