What we’ve been up to with Bundler

The Bundler core team has been working hard towards the Bundler 2 release. In this presentation we'll talk about the new features introduced in Bundler recently and also talk the big changes for the upcoming Bundler 2 release.

Presented at RubyKaigi 2017

Transcript

1. What we’ve been
   up to with Bundler
   

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2. Colby Swandale
   @0xColby
   

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5. Past 12 months
   

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6. $ bundle doctor
   Contributed by @mistydemo ❤
   

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7. $ bundle add
   Contributed by @denniss ❤
   

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8. # Gemfile
   source 'https://rubygems.org'
   gem 'rack'
   

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9. $ bundle add rspec
   Fetching gem metadata from https://rubygems.org/..........
   Fetching version metadata from https://rubygems.org/.
   Resolving dependencies...
   Resolving dependencies...
   Using bundler 1.15.4
   Using diff-lcs 1.3
   Using rack 2.0.3
   Using rspec-support 3.6.0
   Using rspec-core 3.6.0
   Using rspec-expectations 3.6.0
   Using rspec-mocks 3.6.0
   Using rspec 3.6.0
   

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10. # Gemfile
    source 'https://rubygems.org'
    gem 'rack'
    # Added at 2017-09-13 08:48:14
    gem "rspec", "~> 3.6"
    

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11. $ bundle add rails --version "~> 5.0.0" --source "https://
    gems.example.com" --group "development"
    

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12. bundler plugins
    Contributed by @asutoshpalai & @fotanus ❤
    

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13. # plugins.rb
    module MyBundlerPlugin
    class Plugin < Bundler::Plugin::API
    command “new-command“
    def exec(command, args)
    puts “Hello World”
    end
    end
    end
    

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14. $ bundle new-command
    Hello World!
    

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15. # plugins.rb
    Bundler::Plugin::API.hook "before-install-all" do |deps|
    puts “Installing #{deps.map(&:name).join(‘, ‘)} !”
    end
    

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16. $ bundler install
    Installing rack !
    Using bundler 1.15.4
    Using rack 2.0.3
    Bundle complete! 1 Gemfile dependency, 2 gems now installed.
    Use `bundle info [gemname]` to see where a bundled gem is
    installed.
    

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17. $ bundler plugin install
    

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18. # Gemfile
    source 'https://rubygems.org'
    gem 'rack'
    plugin 'my-bundler-plugin'
    

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19. Plugins need more work & docs
    

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20. Lots and lots of bug fixes
    

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21. Improving error messages
    

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22. Performance
    

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23. 1.16 will likely be the last 1.xx
    version
    

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24. 1.0.0 - August 29, 2010
    

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25. Bundler 2
    

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26. Things we’re adding
    Things we’re removing
    Things we’re changing
    

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27. Things we're removing
    

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28. Ruby < 2.3
    

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29. Removing Capistrano & Vlad
    integration
    

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30. Gemfile Source Shortcuts
    

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31. gem ‘rack’, github: ‘user/repo’
    gemcutter:
    rubygems:
    rubyforge:
    gist:
    bitbucket:
    

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32. gem ‘mygem1’, source: ‘https://mygemserver.private'
    gem ‘mygem2’, git: ‘https://github.com/org/repo.git'
    gem ‘mygem3’, path: ‘path/to/gem’
    

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33. git_source(:github) do |repo_name|
    repo_name = “#{repo_name}/#{repo_name}” unless repo_name.include(“/“)
    “https://github.com/#{repo_name}.git"
    end
    

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34. gem ‘rack’, github: ‘user/repo’
    

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35. # Gemfile
    source 'https://rubygems.org'
    gem 'rack'
    github ‘my-org/my-repo’ do
    gem ‘my-gem'
    end
    

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36. $ bundle show
    

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37. $ bundle show
    Gems included by the bundle:
    * bundler (1.15.4)
    * rack (2.0.3)
    

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38. $ bundler show rack
    /Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
    

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39. $ bundle show --verbose
    * bundler (1.15.4)
    Summary: The best way to manage your application’s…
    Homepage: http://bundler.io
    Status: Up to date
    * rack (2.0.3)
    Summary: a modular Ruby webserver interface
    Homepage: http://rack.github.io/
    Status: Up to date
    

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40. $ bundle info $ bundle list
    

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41. $ bundle list
    Gems included by the bundle:
    * actionmailer (5.1.3)
    * actionpack (5.1.3)
    * actionview (5.1.3)
    * activejob (5.1.3)
    * activesupport (5.1.3)
    * builder (3.2.3)
    * bundler (1.15.4)
    * capistrano (2.15.9)
    * capistrano-notifier (0.4.1)
    * concurrent-ruby (1.0.5)
    * erubi (1.6.1)
    

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42. $ bundler info rack
    * rack (2.0.3)
    Summary: a modular Ruby webserver interface
    Homepage: http://rack.github.io/
    Path: /Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
    

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43. $ bundler info rack --path
    /Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
    

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44. $ bundle viz
    

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45. $ bundle plugin install bundle-viz
    

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46. $ bundle console
    

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47. Persistant command arguments
    

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48. › bundler install --path foo
    Fetching gem metadata from https://rubygems.org/..
    Fetching version metadata from https://rubygems.org/.
    Using bundler 1.15.4
    Fetching rack 2.0.3
    Installing rack 2.0.3
    Bundle complete! 1 Gemfile dependency, 2 gems now installed.
    Bundled gems are installed into ./foo.
    

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49. › bundler config --parseable
    path=foo
    

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50. bundle install --with ––without ––path -–system
    

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51. $ bundle config path ./vendor
    

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52. $ bundle package $ bundle cache
    

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53. Things we’re adding
    

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54. Global gem & extension cache
    

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55. Specific Platforms
    

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56. What’s a platform?
    

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57. Specifies OS, OS Version,
    CPU Arch, Ruby Engine,
    Engine Version
    

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58. # mygem.gemspec
    Gem::Specification.new do |s|
    s.name = “mygem"
    s.summary = "my awesome gem"
    s.platform = Gem::Platform::RUBY # default
    

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60. GEM
    remote: https://rubygems.org/
    specs:
    libv8 (6.0.286.54.1)
    PLATFORMS
    ruby
    DEPENDENCIES
    libv8
    BUNDLED WITH
    1.15.4
    

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61. GEM
    remote: https://rubygems.org/
    specs:
    libv8 (6.0.286.54.1)
    libv8 (6.0.286.54.1-x86_64-linux)
    PLATFORMS
    ruby
    x86_64-linux
    DEPENDENCIES
    libv8
    BUNDLED WITH
    1.15.4
    

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62. $ irb -rbundler
    irb(main):003:0> Bundler.setup
    irb(main):002:0> Gem.loaded_specs[“libv8”].platform
    => #@os="linux", @version=nil>
    

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63. Things we're changing
    

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64. $ bundle
    

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65. $ bundler
    Bundler version 2.0.0 (2017-09-10 commit 0b0456249)
    Bundler commands:
    Primary commands:
    bundle install [OPTIONS] # Install the current environment to the
    bundle update [OPTIONS] # Update the current environment
    bundle cache [OPTIONS] # Locks and then caches all of the gems
    bundle exec [OPTIONS] # Run the command in context of the
    bundle config NAME [VALUE] # Retrieve or set a configuration value
    bundle help [COMMAND] # Describe available commands or one
    Utilities:
    bundle add GEM VERSION # Add gem to Gemfile and run bundl
    bundle binstubs GEM [OPTIONS] # Install the binstubs of the listed
    bundle check [OPTIONS] # Checks if the dependencies listed
    bundle doctor [OPTIONS] # Checks the bundle for common
    -V, [--verbose], [--no-verbose] # Enable verbose output mode
    

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66. $ bundle update
    

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67. $ bundler update
    Fetching gem metadata from https://rubygems.org/...
    Fetching gem metadata from https://rubygems.org/.
    Resolving dependencies...
    Fetching rack 2.0.3 (was 1.6.8)
    Installing rack 2.0.3 (was 1.6.8)
    Removing rack (1.6.8)
    Bundle updated!
    

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68. $ bundler update
    To update everything, pass the `--all` flag.
    

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69. github.com/bundler/rfcs/pull/6
    

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70. Testing Bundler 2
    

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71. Feature Flags!
    

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72. error_on_stderr
    auto_config_jobs
    init_gems_rb
    specific_platform
    global_gem_cache
    

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73. $ bundle config true
    

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74. $ gem install bundler ––pre
    

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75. Bundler 1 will not work after a
    bundle install with Bundler 2
    

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76. Going Forward
    

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77. A major release every year
    

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78. Bundler will ship with ruby 2.5
    

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79. 0xColby
    colby-swandale
    slack.bundler.io#bundler
    

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80. bundler.io
    

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81. bundler/bundler
    

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83. Bundler ❤ Contributors
    %&'()*$%&()*$%&+'(
    $%&& +)*,
    (*)$&($%&'&'*()*&($
    (*)$'*+)*&$%&($%&'
    $+&'()*$()*$%&'()*
    (*)$'*()*+($%-($%&'
    $'*($%'(*)()*&($%
    

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85. ͋Γ͕ͱ͏!
    

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