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How does Bundler bundle?

Avatar for Smit Shah Smit Shah
March 27, 2014
Technology
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How does Bundler bundle?

A dive into Bundler's internals, history and glimpse of its future.

Avatar for Smit Shah

Smit Shah

March 27, 2014
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Transcript

  1. Bundler How does bundle?

  2. Smit Shah github.com/who828 twitter.com/who828

  3. None

  4. FETCHING Metadata

  5. Tale of Two Indices

  6. Bundler 1.1 Dependency ! API

  7. The Great RubyGems ! DDOS

  8. New! Bundler API ! Host

  9. Shortcomings •Less Secure •Impossible to cache •Not Server Friendly •No

    checksum, Ruby and RubyGems platform support

  10. Work on New Index Format

  11. The New Index •More Secure •Easier to Cache •Less Server

    side work •Checksum, Ruby and RubyGems platform support

  12. What about now? •Use Bundler 1.6 RC2 •Use source mirrors

    •Use bundle pack

  13. RESOLVING Dependencies

  14. The hardworking resolver

  15. Resolving dependency is an NP complete problem

  16. The existing dependency algorithm is recursive

  17. None

  18. The new dependency resolver

  19. The new resolver •Iterative •Utilises CSP algorithms •Prunes the search

    space much better •Resolves dependencies better

  20. What ! about the! performance?!

  21. What about now? •Use Bundler 1.6 RC2, again! •Use version

    constraints •Use parallel gem installation

  22. Exciting ! things ! coming up ! in Bundler!

  23. Thanks