Deltastreams: Changesets on Steroids by Goran Krampe, ESUG09, Brest, France.

1. DeltaStreams Changesets on steroids

4. Significant help by Matthew Fulmer

5. Development slow at times

6. ...revived before the summer!

8. Changesets

9. Darcs

10. git

13. Snapshot centered (not changes)

14. Package granularity

17. Captures too little

18. No ordering

19. Could be much better...

21. True out of order revert!

22. Truly change centered

23. New ”types” of changes

24. Selective commit

27. Not relying on history

28. Good base for selective commits

29. Can revert and cherry pick

30. No magic!

32. Class hierarchy of Changes

34. Captures enough state to do revert

37. Record some changes

38. Explore it

41. The recording is separated

42. Serialization is separated

43. There are tests :)

45. Easily serialized

46. Easily manipulated

47. Easily created and thrown away

50. Apply to the image atomically

51. Create an anti Delta

52. Revert (neat!) revert "Revert this delta by applying its anti Delta to the image." ^ self asAntiChange apply asAntiChange "Return a new Delta that, when applied, reverts each change of this Delta in reverse order.” | anti | anti := DSDelta name: 'undo ' , self name. self propertiesDo: [: key : val | anti propertyAt: key put: val ]. self changes reverseDo: [: each | anti addChange: each asAntiChange]. ^ anti

55. Record more changes

56. Pick out a few, revert those

57. Revert all

59. When MC fails (or is undesirable)

60. Fork cross pollination

61. Commit tool

62. Advanced image changelog

63. A base for other SCM solutions

65. Rename method

68. Per package, person, image etc

69. Categorized streams

70. Publish/Discover/Subscribe

71. ...can also be derived from MC repositories

73. Fix a bug when halted

74. Do the usual proceed and be happy... or?

75. Conclusion: Meta programming is fun!

77. Tirade hooked in fully

78. A DualDeltaSorter tool

79. Getting it used!

80. Streams...