Git and Github: Version control for a happier you

Lightning talk for McFullStack.

Transcript

1. McFullStack :: April 11, 2015
   version control for a happier you
   and
   :
   

   View Slide

2. about me
   

   View Slide

3. about me
   - Wendy Liu
   

   View Slide

4. about me
   - Wendy Liu
   - McGill Math & Computer Science '14
   

   View Slide

5. about me
   - Wendy Liu
   - McGill Math & Computer Science '14
   - 4 years experience with Git
   

   View Slide

6. about me
   - Wendy Liu
   - McGill Math & Computer Science '14
   - 4 years experience with Git
   - @dellsystem on Twitter
   

   View Slide

7. what is git?
   

   View Slide

8. what is git?
   version control system!
   

   View Slide

9. backup_dec_1_2012.zip backup_dec_8_2012.zip backup_dec_15_2012.zip
   backup_dec_22_2012.zip backup_dec_29_2012.zip backup_jan_5_2012.zip
   backup_jan_12_2012.zip backup_jan_19_2012.zip backup_jan_26_2012.zip
   

   View Slide

10. View Slide

11. enter git.
    

    View Slide

12. keeps track of changes
    enter git.
    

    View Slide

13. keeps track of changes
    extremely flexible
    enter git.
    

    View Slide

14. keeps track of changes
    extremely flexible
    developed by linus torvalds
    enter git.
    

    View Slide

15. keeps track of changes
    extremely flexible
    developed by linus torvalds
    free and open source
    enter git.
    

    View Slide

16. keeps track of changes
    extremely flexible
    developed by linus torvalds
    free and open source
    primarily command-line
    enter git.
    

    View Slide

17. svn/perforce: local vs. remote
    comparison to other systems
    

    View Slide

18. svn/perforce: local vs. remote
    hg/bzr: more control
    comparison to other systems
    

    View Slide

19. svn/perforce: local vs. remote
    hg/bzr: more control
    cvs/rcs: no comparison
    comparison to other systems
    

    View Slide

20. what git can do for you
    

    View Slide

21. what git can do for you
    history
    

    View Slide

22. what git can do for you
    history
    blame
    

    View Slide

23. what git can do for you
    history
    blame
    better debugging
    

    View Slide

24. what git can do for you
    history
    blame
    better debugging
    safe experimentation
    

    View Slide

25. what git can do for you
    history
    blame
    better debugging
    safe experimentation
    easy deploys
    

    View Slide

26. now: how git works
    

    View Slide

27. repository
    directory on filesystem
    just metadata (changes)
    manual grouping of changes
    

    View Slide

28. commit
    group of logically-related changes
    1 or more files (add/delete/modify)
    

    View Slide

29. staging index
    CHANGES I WANT IN MY NEXT COMMIT
    ALL THE OTHER CHANGES
    

    View Slide

30. git commit -m 'test'
    CHANGES I WANT IN MY NEXT COMMIT
    ALL THE OTHER CHANGES
    a new commit, with message 'test'
    

    View Slide

31. CHANGES I WANT IN MY NEXT COMMIT
    ALL THE OTHER CHANGES
    the commit with message 'test'
    (nothing here yet)
    

    View Slide

32. good commit messages
    (not this)
    

    View Slide

33. good commit messages
    bit.ly/gitcommit
    

    View Slide

34. website
    what is github?
    

    View Slide

35. website
    collaborative coding, via git
    what is github?
    

    View Slide

36. website
    collaborative coding, via git
    (mostly) free to use
    what is github?
    

    View Slide

37. website
    collaborative coding, via git
    (mostly) free to use
    major part of developer ecosystem (esp. OSS)
    what is github?
    

    View Slide

38. what github can do for you
    issue-tracking
    remote backups
    access your files from anywhere
    graphical, easy-to-use UI
    

    View Slide

39. thanks!
    git-scm.com/book
    help.github.com
    

    View Slide