Share about git internal mechanism about how git commands such as git init, git add ,git commit, git branch etc. work! This is also my reading notes of these two books --- <<git>> and <<pro>>

1. Git
from Novice to Expert
goddyzhao<goddy128@gmail.com>

2. Git
to Expert
goddyzhao<goddy128@gmail.com>

3. Abstract

4. Abstract
★ Part I > Git Basic

5. Abstract
★ Part I > Git Basic
★ Part II > Git Internals

6. Git Basic
Git vs SVN

7. Git Basic
Git

8. Git Basic
Don’t think of it in a ‘like (insert
favorite SCM system), but...’
context, but more like a really
interesting file system!
by Linus

9. Git Internals

10. Git Internals
• >git init

11. Git Internals
• >git init
• >git add

12. Git Internals
• >git init
• >git add
• >git commit

13. Git Internals
• >git init
• >git add
• >git commit
• >git branch

14. Git Internals
• >git init • >git tag
• >git add
• >git commit
• >git branch

15. Git Internals
• >git init • >git tag
• >git add • >git merge
• >git commit
• >git branch

16. Git Internals
• >git init • >git tag
• >git add • >git merge
• >git commit • >git rebase
• >git branch

17. Git Internals
• >git init • >git tag
• >git add • >git merge
• >git commit • >git rebase
• >git branch • >git ...

18. How to Use
These Git Commands

19. ✓ to Use
How
These Git Commands

20. How
These Git Commands
Works

21. How
These Git Commands
Works
?

22. Before That

23. Soul
Git

24. Git Object

25. Git Object
• {Blob}

26. Git Object
• {Blob}
• {Tree}

27. Git Object
• {Blob}
• {Tree}
• {Commit}

28. Git Object
• {Blob}
• {Tree}
• {Commit}
• {Tag}

29. Git Object
• {Blob}
• {Tree} imm
• {Commit}
uta
ble
• {Tag}

30. {Blob}

31. {Blob}

32. {Blob}
+

33. {Blob}
+ Header

34. {Blob}
+ Header

35. {Blob}
+ Header

36. {Blob}
+ Header

37. {Blob}
+ Header

38. {Blob}
File Content + Header

39. {Blob}
File Content + + Header

40. {Blob}
File Content + Header + Header

41. {Blob}
File Content + Header + Header

42. {Blob}
File Content + Header + Header
SHA-1

43. {Blob}
File Content + Header + Header
SHA-1

44. {Blob}
File Content + Header + Header
SHA-1
Zlib::Deflate

45. {Blob}
File Content + Header
SHA-1
Zlib::Deflate

46. {Blob}
File Content + Header
SHA-1
Zlib::Deflate

47. {Blob}
File Content + Header
SHA-1
Zlib::Deflate

48. {Blob}
File Content + Header
SHA-1
Zlib::Deflate

49. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
Zlib::Deflate

50. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
Zlib::Deflate

51. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
Zlib::Deflate

52. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
Zlib::Deflate

53. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
objects/ab
Zlib::Deflate

54. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
objects/ab
Zlib::Deflate

55. {Blob}
File Content + Header
SHA-1 SHA-1: abd9...9
objects/ab
Zlib::Deflate
d9...9

56. {Tree}

57. {Tree}

58. {Tree}

59. {Commit}

60. {Commit}

61. {Commit}

62. {Tag}

63. {Tag}
Reference to Specific Commit

64. {Tag}
Reference to Specific Commit

65. Relationships

66. Relationships

67. Example

68. Example

69. Example

70. Example

71. Example
Change base_include.rb

72. Example
Change base_include.rb

73. Example

74. Example
Change init.rb

75. Example
Change init.rb

76. Branching & Merging

77. Branching & Merging

78. Branching & Merging

79. Branching & Merging

80. Branching & Merging
Create a branch

81. Branching & Merging
Create a branch

82. Branching & Merging

83. Branching & Merging
Switch to another branch

84. Branching & Merging
Switch to another branch

85. Branching & Merging

86. Branching & Merging
Merge one branch into another

87. Branching & Merging
Merge one branch into another

88. Remote

89. Remote

90. Remote

91. Remote

92. Remote

93. Git + SVN

94. Thanks!