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![> git commit -m”<MESSAGE>”
[master (root-commit) 498cc44] My first commit
1 files changed, 5 insertions(+), 0 deletions(-)
create mode 100644 myfile.txt](https://image.slidesharecdn.com/gitandgithubatsanfranciscojug-151127055942-lva1-app6891/85/Git-and-GitHub-at-the-San-Francisco-JUG-38-320.jpg)
Uploaded byMatthew McCullough
Git and GitHub at the San Francisco JUG
The document discusses the importance of Git and GitHub for Java developers, covering the basics of how to commit, branch, and tag in Git along with an overview of repository management. It emphasizes practical commands for setting up a Git repository, performing version control, and using branches and tags effectively. Additionally, it showcases how Git integrates with Java and the JVM through tools like JGit.
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Git and GitHub at the San Francisco JUG
- 1. Why Java DevsShould Care About Git & GitHub at the San Francisco JUG by Matthew McCullough
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- 9. “Cool kids” versioncontrol system
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- 11. bash scripts Ccode
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- 13. I'm an egotisticalbastard, and I name all my projects after myself. First Linux, now git. -Linus Torvalds “ ”
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- 19. Git in pureJava
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- 25.
- 26. ➡How to commit,branch and tag ➡How Git implements a new commit-referencing syntax ➡How to pull and push changes between repositories ➡How to set up a Git repository
- 27. ➡How to setup a Git repository
- 28.
- 29. No special repoarea
- 30. > cd myproj >git init Initialized empty Git repository in /stuff/myproj/.git/
- 32. ➡How to commit,branch and tag ➡How Git implements a new commit-referencing syntax ➡How to pull and push changes between repositories ➡How to set up a Git repository
- 33. ➡How to commit,branch and tag
- 34.
- 35.
- 36. > git add<FILENAME>
- 37. > git status #On branch master # Initial commit # Changes to be committed: # (use "git rm --cached <file>..." to unstage) # new file: myfile.txt
- 38. > git commit-m”<MESSAGE>” [master (root-commit) 498cc44] My first commit 1 files changed, 5 insertions(+), 0 deletions(-) create mode 100644 myfile.txt
- 39.
- 40.
- 41. > git branch<BRANCHNAME>
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- 43.
- 44. > git checkout<BRANCHNAME> Switched to branch 'mybranch'
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- 46.
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- 48. > git tag-a <TAGNAME> -m”<MESSAGE>”
- 50. ➡How to commit,branch and tag ➡How Git implements a new commit-referencing syntax ➡How to pull and push changes between repositories ➡How to set up a Git repository
- 51. ➡How Git implementsa new commit-referencing syntax
- 53. 9AB223D28B1AA46EF1780B22F304982E39872C34 <html> <body> <p>This is atest</p> <img src="http://ai.com/icon.gif"> </body> </html>
- 54. 9AB223D28B1AA46EF1780B22F304982E39872C34 <html> <body> <p>This is atest</p> <img src="http://ai.com/icon.gif"> </body> </html>
- 55. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 56. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 57. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 58. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 59. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 60. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 61. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 62. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 63. tree tree: 7e8b1 web blob:9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1commit tree: a10b3 parent: nil author: Fird committer: Matthew message: Major refactoring of the web content. c67db blob<html> <body></body> </html> 9ab16 blob //Some more javascript var renderSize 51d22 blob 7D 8D B3 7F BD 12 9F E9 7B 78 9D 3F 5C A6 72 CB 8d162
- 64. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 65. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 66. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 67. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 68. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 69. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 70. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
- 71. v1 v2 v3 commit tree:9a87b parent: nil author: Fird committer: Matthew message: Major refactoring of the Javascript rendering engine. c67db commit tree: b22c1 parent: c67db author: Tim committer: Fird message: Minor update to HTML 9bd21 commit tree: b22c1 parent: 9bd21 author: Johnny committer: Joe message: New language transations 1c2d7
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- 78. > git log commit0fc27c73dea82a0576c6cf262fb517d24e75a223 Author: Matthew McCullough <matthewm@ambientideas.com> Date: Mon Oct 24 10:42:20 2013 +0300 Performance enhancement of calc engine commit 7d946e814233814b1780ed1035da271cbb37206d Author: Matthew McCullough <matthewm@ambientideas.com> Date: Mon Oct 24 12:59:41 2013 +0300 Translation to Esperanto
- 80. ➡How to commit,branch and tag ➡How Git implements a new commit-referencing syntax ➡How to pull and push changes between repositories ➡How to set up a Git repository
- 81. ➡How to pulland push changes between repositories
- 82. > git clonehttp://this.com/myproj.git Cloning into myproj... remote: Counting objects: 3871, done. remote: Compressing objects: 100% (73/73), done. remote: Total 3871 (delta 51), reused 3853 (delta 36) Receiving objects: 100% (3871/3871), 297.88 KiB | 35 KiB/s, done. Resolving deltas: 100% (51/51), done. > cd myproj
- 83.
- 84. > git push Countingobjects: 16, done. Delta compression using up to 2 threads. Compressing objects: 100% (10/10), done. Writing objects: 100% (15/15), 1.37 KiB, done. Total 15 (delta 5), reused 0 (delta 0) To http://this.com/myproj.git 6128b94..7607971 master -> master
- 85.
- 86. > git pull Updating474f43d..7607971 Fast-forward sample5.htm | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) create mode 100644 sample5.htm
- 87.
- 89. Why Java DevsShould Care About Git & GitHub at the San Francisco JUG by Matthew McCullough
- 90.