Striking Gold: Building software better, together

Mining Software Repositories Conference Keynote

1. Building Software Better, Together Brian Doll @briandoll Striking Gold!
2. California Gold Rush
3. Gold Ru Technology Gold Rush
4. Every company is a software company
5. FTP CVS Perforce Subversion Git GitHub ’95 ’99 ’01 ’03 ’08 ’08 My personal journey through software repositories...
6. "organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations" Conway’s Law:
7. The GitHub Way
8. The GitHub Way run your company like an open source project
9. collaboration without coordination The GitHub Way
10. electronic The GitHub Way
11. available via URL The GitHub Way
12. asynchronous The GitHub Way
13. lock free The GitHub Way
14. The best software is made by happy people working together
15. Process vs. Vision
16. Process
17. Vision
18. Important to GitHub My Interests My Skills What I work on
20. issues / features don’t get worked on? What happens when...
21. a day in the life...
22. everyone ships, all the time
23. Chris (new employee): How much is the ideal githubber expected to ship when operating at full awesomeness?
24. Chris (new employee): How much is the ideal githubber expected to ship when operating at full awesomeness? Lee: Whatever makes you feel good, man
25. The best software is made by happy people working together
26. GitHub API : developer.github.com GitHub Archive : githubarchive.org GitHub data on Google BigQuery Questions: data@github.com Mining GitHub Data
27. Team / Discussions •CommitCommentEvent •PullRequestEvent •PullRequestReviewCommentEvent •MemberEvent Development activities • CreateEvent • DeleteEvent • DownloadEvent • ForkEvent • ForkApplyEvent • GistEvent • GollumEvent • PublicEvent • PushEvent Social activities •FollowEvent •IssueCommentEvent •IssuesEvent •TeamAddEvent •WatchEvent Events on GitHub
28. Our internal social graph by Derek Greentree, GitHub
29. Our internal social graph 688 repositories 169 people
30. Interactions were counted between two users when: • One user @mentions another in a pull request, issue, or commit comment • A user comments on another's pull request or issue Our internal social graph
32. • 25%: 6 • 50%: 25.5 • 75%: 59.25 Quantiles Team size at GitHub
33. GitHub Data Challenge
34. Source of commits. The more commits come from pull requests, the more open the project process. Percentage of issue comments and commenters coming from the project community (i.e. users with no commit rights to the main repo) Dr. Georgios Gousios, GHTorrent
35. Dr. Georgios Gousios, http://ghtorrent.org/netviz/
36. Huang Liang, Programming Language Activity Trends
37. JeongHoon Byun , http://sideeffect.kr/popularconvention
38. bbaudry/GitWorks
39. Eduarda Mendes Rodrigues, http://zoom.it/kCsU#full
40. Matthew Willson, mjwillson/ProgLangVisualise
42. Jean-Noël Avila, fork to pull request latency
43. Geeksta, http://bit.ly/geeksta : Anger in commit messages
44. Geeksta, http://bit.ly/geeksta : joy in commit messages
46. Software is eating the world. Let’s eat it faster!