Guard gem overview

Quick presentation given by @thibaudgg & me at Geneva.rb on Apr 17, 2013.

Transcript

1. Guard https://github.com/guard/guard Thibaud Guillaume-Gentil @thibaudgg Rémy Coutable @rymai 1
2. Origin • RSpactor • Scaling issues (RSpec, Spork, LiveReload) • WatchR • Duplicated logic 2
3. Strengths • Decentralized: Guard delegates all the work to its plugins • Everyone can write a Guard plugin https://github.com/guard/guard/wiki/Create-a-guard • Very simple Guard plugin API (9 methods) • Maintenance / Issues are handled by plugins authors 3
4. Some numbers • 2,000,000+ downloads since Oct 2, 2010 • 1495 commits, ~13,000 LOC • 193 Guard plugins 4
5. File system listener • Originally handled by Guard • Moved out into the Listen gem • Slow & unreliable tests • Adapters vendored into Guard • Used by many projects: Sass, Spring, Kicker... 5
6. Notifications system • Support many adapters: • Growl • Libnotify • TMux... • Should probably be delegated / extracted 6
7. Project organization • We work: • Remotely • Asynchronously • We are very responsive • We are very open to new ideas Michael Kessler Maher Sallam Thibaud Guillaume-Gentil Rémy Coutable 7
8. Contributions • 91 commiters on Guard • 175 pull-requests on Guard • 1000 issues & pull-requests under the org. • Open commit bit policy (inspired by Rbx) 8
9. Project dependencies • Listen: File system listener • Thor: Command-line • Pry: IRB alternative • Lumberjack: Logging • Formatador: Stdout text formatting 9
10. Project ecosystem • Travis CI • Code Climate • Coveralls • Gemnasium • Fury.io 10
11. Project icon Octave Zangs @octavez Actually modelized in Cinema 4D!! 11
12. https://ruby-toolbox.com/projects/guard 12
13. We have some fun “Hello, I'd like Guard to notify me when my test suite passes or fails by controlling an arduino with an rgb led. Don't be turned off by my hipster interest in arduino.” https://groups.google.com/forum/#!msg/guard-dev/wz5zlLJUEQA/gji7B9FS1UAJ 13
14. Guard 2.0 • 1.0.0 released on Jan 19, 2012 • 2.0.0 released on Jun XX, 2013 soon! • Streamlined Guard API • Drop Ruby 1.8! Yay! • Website! Yay! 14
15. ? 15