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
2. Colby Swandale @0xColby
5. Past 12 months
6. $ bundle doctor Contributed by @mistydemo ❤
7. $ bundle add Contributed by @denniss ❤
8. # Gemfile source 'https://rubygems.org' gem 'rack'
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
10. # Gemfile source 'https://rubygems.org' gem 'rack' # Added at 2017-09-13 08:48:14 gem "rspec", "~> 3.6"
11. $ bundle add rails --version "~> 5.0.0" --source "https:// gems.example.com" --group "development"
12. bundler plugins Contributed by @asutoshpalai & @fotanus ❤
13. # plugins.rb module MyBundlerPlugin class Plugin < Bundler::Plugin::API command “new-command“ def exec(command, args) puts “Hello World” end end end
14. $ bundle new-command Hello World!
15. # plugins.rb Bundler::Plugin::API.hook "before-install-all" do |deps| puts “Installing #{deps.map(&:name).join(‘, ‘)} !” end
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.
17. $ bundler plugin install <gem>
18. # Gemfile source 'https://rubygems.org' gem 'rack' plugin 'my-bundler-plugin'
19. Plugins need more work & docs
20. Lots and lots of bug fixes
21. Improving error messages
22. Performance
23. 1.16 will likely be the last 1.xx version
24. 1.0.0 - August 29, 2010
25. Bundler 2
26. Things we’re adding Things we’re removing Things we’re changing
27. Things we're removing
28. Ruby < 2.3
29. Removing Capistrano & Vlad integration
30. Gemfile Source Shortcuts
31. gem ‘rack’, github: ‘user/repo’ gemcutter: rubygems: rubyforge: gist: bitbucket:
32. gem ‘mygem1’, source: ‘https://mygemserver.private' gem ‘mygem2’, git: ‘https://github.com/org/repo.git' gem ‘mygem3’, path: ‘path/to/gem’
33. git_source(:github) do |repo_name| repo_name = “#{repo_name}/#{repo_name}” unless repo_name.include(“/“) “https://github.com/#{repo_name}.git" end
34. gem ‘rack’, github: ‘user/repo’
35. # Gemfile source 'https://rubygems.org' gem 'rack' github ‘my-org/my-repo’ do gem ‘my-gem' end
36. $ bundle show
37. $ bundle show Gems included by the bundle: * bundler (1.15.4) * rack (2.0.3)
38. $ bundler show rack /Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
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
40. $ bundle info $ bundle list
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)
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
43. $ bundler info rack --path /Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
44. $ bundle viz
45. $ bundle plugin install bundle-viz
46. $ bundle console
47. Persistant command arguments
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.
49. › bundler config --parseable path=foo
50. bundle install --with ––without ––path -–system
51. $ bundle config path ./vendor
52. $ bundle package $ bundle cache
53. Things we’re adding
54. Global gem & extension cache
55. Specific Platforms
56. What’s a platform?
57. Specifies OS, OS Version, CPU Arch, Ruby Engine, Engine Version
58. # mygem.gemspec Gem::Specification.new do |s| s.name = “mygem" s.summary = "my awesome gem" s.platform = Gem::Platform::RUBY # default
60. GEM remote: https://rubygems.org/ specs: libv8 (6.0.286.54.1) PLATFORMS ruby DEPENDENCIES libv8 BUNDLED WITH 1.15.4
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
62. $ irb -rbundler irb(main):003:0> Bundler.setup irb(main):002:0> Gem.loaded_specs[“libv8”].platform => #<Gem::Platform:0x00000001d911a0 @cpu="x86_64", @os=“linux", @cpu="x86_64", @os="linux", @version=nil>
63. Things we're changing
64. $ bundle
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
66. $ bundle update
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!
68. $ bundler update To update everything, pass the `--all` flag.
69. github.com/bundler/rfcs/pull/6
70. Testing Bundler 2
71. Feature Flags!
72. error_on_stderr auto_config_jobs init_gems_rb specific_platform global_gem_cache
73. $ bundle config <feature> true
74. $ gem install bundler ––pre
75. Bundler 1 will not work after a bundle install with Bundler 2
76. Going Forward
77. A major release every year
78. Bundler will ship with ruby 2.5
79. 0xColby colby-swandale slack.bundler.io#bundler
80. bundler.io
81. bundler/bundler
83. Bundler ❤ Contributors %&'()*$%&()*$%&+'( $%&& +)*, (*)$&($%&'&'*()*&($ (*)$'*+)*&$%&($%&' $+&'()*$()*$%&'()* (*)$'*()*+($%-($%&' $'*($%'(*)()*&($%
85. ͋Γ͕ͱ͏!