Atlassian shares their experience how we switched to distributed version control. He

2. Making the Switch to DVCS
Atlassians move from centralized to distributed
Sven Peters, Ambassador, Atlassian
2

3. DVCS @ Unite

4. DVCS @ Unite
Issue Tracker

5. DVCS @ Unite
Content Collaboration

6. build it
check get
? in Task
write
code

7. What is version control?

8. What is version control?
Collaboration History Copies /Branches

9. The Past

10. Centralized Version Control
Subversion
server

11. Centralized Version Control
Subversion

12. “ Have you ever tried to merge a branch back into the
trunk with SVN? Need I say more.
”

13. Merge Time

14. The Present (and future)

15. Distributed Version Control

16. Distributed Version Control
Git or Mercurial
Git or Mercurial Git or Mercurial
Git or Mercurial
Git or Mercurial Git or Mercurial

17. “ Distributed Version Control is flexible and can fit any
workflow - you can even treat it like Subversion.
”
Steve Streeting
Inventor of SourceTree

18. New idea?
1997
co-op

19. New idea?
2001
arch

20. New idea?
2003
monotone

21. New idea?
2003
svk

22. New idea?
2003
darcs

23. New idea?
2005
bazaar

24. New idea?
2005
mercurial

25. New idea?
2005
git

26. New idea?
2007
iPhone

27. Notice a Trend

28. Notice a Trend

29. DVCS @ Atlassian

30. Why?
Development Workflow

32. More Why’s?
Code without Limitations
Dev Speed

33. Dev Speed

34. View File History

35. View Authors/Blame

36. Creating Branches

37. Speed is power
git rm
hg blame
hg clone
git show
git mv
hg revert
git log
hg move
hg pull -update git status

38. Speed is power
git rm
hg blame
hg clone
git show
git mv
hg revert
git log
hg move
hg pull -update git status

39. Commit Often

40. No Servers

41. Dev Speed

42. Code without Limitations

43. No Servers

44. Branching & Merging
$ svn merge

45. Don‘t be afraid

46. Protips
• DVCS Knowledge
• Follow the Recipe
• CI is your friend

47. DVCS Knowledge

48. Make use of Guru

49. DVCS Client
Git and Mercurial Mac Client

50. FishEye - VCS to DVCS
• See commits in SVN & DVCS
• Browse source in any VCS
Subversion, Git, Hg, CVS, P4
Browse and Search source across any VCS

51. Follow the Recipe

52. Bring your History

53. Tool Integration
{ }

54. Replicate Team Process

55. Incremental Steps

56. Continuous Integration
is your friend
• Vital part of dev cycle
• Run same builds against old
and new VCS
• Continuous Validation

57. Make the Switch
• DVCS has great business and technical benefits
• Atlassian is shaping the future of DVCS

58. Learn More & Have a Play
http://blogs.atlassian.com/tag/switch_dvcs/
http://answers.atlassian.com

59. @svenpet
svenpet.com Thank You