The Foundations of Collaboration with GitHub • SIGCSE 2014

1. A foundation of collaboration presented to the delegates of SIGCSE 2014 Version control with
2. Matthew.... @matthewmccull ‣Open source contributor ‣O'Reilly Git Video Co-instructor ‣Co-Author of O'Reilly's Git book ‣5-year Git trainer ‣Instructor at GitHub
3. http://oreil.ly/ogitvid
4. http://amzn.to/oreillygit
5. Version Control A refreshed approach to VCS
7. Open Source
8. bash scripts ☛ C code
9. is not a slightly better
13. http://git-scm.com
14. Starting Up Creating a repository
15. Get a GitHub account.
16. Get a GitHub account. http://github.com/join
17. Create a new repo(sitory).
18. Add a file.
19. View the commit history (timeline).
20. Make changes to the file.
21. Repo Creation Local and remote initialization simplicity
22. # Green field project! $ git init newproject! $ cd newproject! # ...start coding
23. or if you already have source code
24. # Legacy project tree! $ cd existingproject! $ git init! ! # Add all the code! $ git add .! $ git commit -m”Initial import”

25. ‣ Blob ‣ Tree ‣ Commit ‣ Tag
26. tree tree: 7e8b1 web blob: 9ab16 index.html a10b3 tree blob: 8d162 logo.jpg blob: 51d22 draw.js 7e8b1 commit 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
27. Collaborating Two authors
28. Make simultaneous changes to the file.
29. Collaborating Redux Untrusted collaborators
30. Untrusted changes to the file.
31. Changelist Three stage thinking
32. Working Staging Repo add commit edit
34. ‣shopping cart ‣ put things in ‣ take things out ‣ purchase at register
35. v1 v2 v3 v4 File A File B File C File A File B File B File C v5 File A File B File B File A File A File C File C File C
36. Workspaces The power of simple branch toggling
37. Local Remote Upstream
38. # Creating a branch! git branch <BRANCHNAME>
39. RELEASE_1.0 HEAD bug979branch commit c67db commit 9bd21 commit 1c2d7 commit 8c2d1 commit 1bdcd commit 2daa1
40. What do cheap branches enable?
41. ‣ Experimentation ‣

42. ‣ Experimentation ‣ Safe experimentation
43. Better reuse of units of work
44. Work Models Enabling different development styles
45. product v1.0 integration story1 story2 v1.5 integration story3
46. Local Remote Upstream Integ Product Integ Product Integ Product
47. Local Remote Upstream Idea Story Feature Feature Feature Integ Product Integ Product Integ Product
48. Local Remote Upstream Idea Story Feature Feature Feature Integ Product Integ Product Integ Product
49. Central Repo C e n t r a l i z e d
50. Blessed Repo D i c t a t o r s h i p
51. Certified Repo Development Repo t e g r a t i o n M a n a g e d Continuous
 Integration
 Server
52. C u s t o m + P u b l i c C o n t r i b Customized ☚ Private Public ☛ GitHub
53. Mirror Development Repo M i r r o r e d Mirror Certified Repo
54. Client Apps GUIs and other front-ends
55. http://windows.github.com
56. http://windows.github.com
57. http://mac.github.com
58. http://mac.github.com
59. Remotes Bandwidth and geographic challenges
60. Local Remote Upstream
61. Local Remote Upstream
62. Local Remote Upstream
63. data from http://whygitisbetterthanx.com/#git-is-fast Init git svn Status git svn Diff git svn Tag git svn Log git svn Commit (Lg) git svn Commit (Sm) git svn Branch git c svn c Speed
64. Local Remote Upstream commit fetch push clone clone clone push pull pull pull
65. Commit Push Pull
66. Commit Push Pull
67. Commit Push Pull
68. Integration CI, scripting, and hooks
70. "This is so important, we can't entrust it to automation. We need our top developer to supervise it."
71. continuous integration servers jenkins travis ci circleci buildhive
77. Summary The Git and GitHub ecosystem
78. education@github.com education.github.com @matthewmccull Q&A
79. • http://education.github.com • education@github.com
 • http://git-scm.com/book • http://training.github.com Resources