Git: from Novice to Expert

Jun 17, 2011Download as key, pdf6 likes1,736 views

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>>

Git
from Novice to Expert

goddyzhao<goddy128@gmail.com>

Git
to Expert

goddyzhao<goddy128@gmail.com>

Abstract

★ Part I > Git Basic

★ Part II > Git Internals

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

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

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

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

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

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

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

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

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

{Blob}
File Content + Header + Header

SHA-1

{Blob}
File Content + Header + Header

SHA-1

Zlib::Deﬂate

{Blob}
File Content + Header

SHA-1

Zlib::Deﬂate

{Blob}
File Content + Header

SHA-1 SHA-1: abd9...9

Zlib::Deﬂate

{Blob}
File Content + Header

SHA-1 SHA-1: abd9...9

objects/ab
Zlib::Deﬂate

{Blob}
File Content + Header

SHA-1 SHA-1: abd9...9

objects/ab
Zlib::Deﬂate
d9...9

Branching & Merging

Switch to another branch

Branching & Merging

Merge one branch into another

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Git: from Novice to Expert

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!

Editor's Notes

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#42: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#43: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#44: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#45: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#46: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#47: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#48: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#49: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#50: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#51: &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;git&#x5DE5;&#x7A0B;&#xFF0C;&#x968F;&#x540E;&#x65B0;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B; refs/master -> objects/\n
#52: &#x6F14;&#x793A;&#xFF1A;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#x5939;&#xFF0C;&#x968F;&#x540E;&#x518D;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x67E5;&#x770B; objects\n
#53: &#x6F14;&#x793A;&#xFF1A;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#x5939;&#xFF0C;&#x968F;&#x540E;&#x518D;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x67E5;&#x770B; objects\n
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Editor's Notes