The Basics of Open Source Collaboration With Git and GitHub
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A revised/minimized version of Nick Quaranto's (http://www.slideshare.net/qrush ) presentation on the same topic. This revised version was used to present Git to a group of students at ECPI who were not yet familiar with the concepts of version control or Git.
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The Basics of Open Source Collaboration With Git and GitHub
- 1. Open Source Collaboration with Git and GitHub by Benjamin Young adapted from work by Nick Quaranto
- 2. whoami • President of BigBlueHat – a web manufacturing company – we build web stuff • We built BlueInk – a content management system • Building sites since the late 90's – I remember Netscape 3
- 3. Ve rs io n Co ntro l c o uld s a v e y o ur life .
- 4. Or a t le a s t y o ur jo b/pro je c t/ide a / s a nity /g pa
- 5. The Basics • Keep “backup” copies of files whenever you want • Restore those copies quickly and easily • Share the files and the change s with other developers • Integrate their changes into your files
- 9. Git Internals: Blobs main.c 457aef 93f f 7f f bb289f 7e1384f 900679eac f 044a
- 13. Giting Started • mkdir new_proj • cd old_proj • cd new_proj • git init • git init • git add . • ...do some work... • git commit • git add . • git commit
- 14. The Staging Area
- 15. What's changed? git status On branch master # Changed but not updated: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: index.php #
- 16. What's changed? (cont) git diff diff --git a/index.php b/index.php index 9e7353c..1764d3e 100644 --- a/index.php +++ b/index.php @@ -24,4 +24,5 @@ require_once 'webroot'.DIRECTORY_SEPARATOR.'index.php'; -?> No newline at end of file +echo 'an example change'; +?>
- 17. Birds Eye View • git log • gitk – a graphical view of your repository • GitX – Mac OS X app for doing the above – also handy for commit review – prettier than gitk
- 18. Git Internals: Branches branchna me HEAD
- 19. Branching
- 20. Branching • Another great reason to use Version Control—particularly git • “Your first idea is never your best idea” • Branches give you the freedom to change things...whenever
- 21. Branching (cont) • git branch experimental – creates a branch named 'experimental' • git branch – shows a list of branches: • git checkout experimental – switch to the new branch
- 22. The Staging Area (cont) • All that happened in the same directory – sort of... • Your version histories actually in the .git folder • so, when you checkout a branch git changes all the files outside of .git to match that branches content • git it?
- 23. Put it back together again • git checkout master • git merge experimental • if all went well, then your done • if not: • git mergetool • git commit -a
- 24. Git Internals: Remotes branchna me remotes/server/na me HEAD
- 25. Local vs. Remote
- 27. Centralized
- 30. Where to Share
- 32. =
- 38. Other Hosting Options • Public Only • Public and Private – repo.or.cz – GitHub.com – Gitorious.org – CodaSet.com • Private Only – Unfuddle.com – codebasehq.com
- 39. How to Contribute 1. Fork a repository at GitHub 2. Clone and connect your local repository 3. Write tests, implement functionality 4. Commit your local changes 5. Push your changes to your fork 6. Make a pull request 7. Profit!!
- 40. git log • Kudos to Sc o tt Cha c o n who made – http://git-scm.com – http://whygitisbetterthanx.com • And to Mic ha e l Ha rtl – for Building the Insoshi Social Network • Wikipedia too. nick@quaran.to byoung@bigbluehat.com http://litanyagainstfear.com http://bigbluehat.com