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What we’ve been
up to with Bundler
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Colby Swandale
@0xColby
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Past 12 months
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$ bundle doctor
Contributed by @mistydemo ❤
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$ bundle add
Contributed by @denniss ❤
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# Gemfile
source 'https://rubygems.org'
gem 'rack'
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$ 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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# Gemfile
source 'https://rubygems.org'
gem 'rack'
# Added at 2017-09-13 08:48:14
gem "rspec", "~> 3.6"
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$ bundle add rails --version "~> 5.0.0" --source "https://
gems.example.com" --group "development"
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bundler plugins
Contributed by @asutoshpalai & @fotanus ❤
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# 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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$ bundle new-command
Hello World!
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# plugins.rb
Bundler::Plugin::API.hook "before-install-all" do |deps|
puts “Installing #{deps.map(&:name).join(‘, ‘)} !”
end
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$ 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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$ bundler plugin install
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# Gemfile
source 'https://rubygems.org'
gem 'rack'
plugin 'my-bundler-plugin'
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Plugins need more work & docs
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Lots and lots of bug fixes
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Improving error messages
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Performance
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1.16 will likely be the last 1.xx
version
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1.0.0 - August 29, 2010
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Bundler 2
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Things we’re adding
Things we’re removing
Things we’re changing
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Things we're removing
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Ruby < 2.3
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Removing Capistrano & Vlad
integration
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Gemfile Source Shortcuts
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gem ‘rack’, github: ‘user/repo’
gemcutter:
rubygems:
rubyforge:
gist:
bitbucket:
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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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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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gem ‘rack’, github: ‘user/repo’
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# Gemfile
source 'https://rubygems.org'
gem 'rack'
github ‘my-org/my-repo’ do
gem ‘my-gem'
end
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$ bundle show
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$ bundle show
Gems included by the bundle:
* bundler (1.15.4)
* rack (2.0.3)
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$ bundler show rack
/Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
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$ 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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$ bundle info $ bundle list
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$ 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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$ 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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$ bundler info rack --path
/Users/c/.gem/ruby/2.4.1/gems/rack-2.0.3
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$ bundle viz
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$ bundle plugin install bundle-viz
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$ bundle console
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Persistant command arguments
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› 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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› bundler config --parseable
path=foo
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bundle install --with ––without ––path -–system
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$ bundle config path ./vendor
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$ bundle package $ bundle cache
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Things we’re adding
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Global gem & extension cache
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Specific Platforms
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What’s a platform?
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Specifies OS, OS Version,
CPU Arch, Ruby Engine,
Engine Version
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# 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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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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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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$ irb -rbundler
irb(main):003:0> Bundler.setup
irb(main):002:0> Gem.loaded_specs[“libv8”].platform
=> #
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Things we're changing
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$ bundle
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$ 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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$ bundle update
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$ 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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$ bundler update
To update everything, pass the `--all` flag.
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github.com/bundler/rfcs/pull/6
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Testing Bundler 2
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Feature Flags!
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error_on_stderr
auto_config_jobs
init_gems_rb
specific_platform
global_gem_cache
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$ bundle config true
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$ gem install bundler ––pre
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Bundler 1 will not work after a
bundle install with Bundler 2
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Going Forward
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A major release every year
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Bundler will ship with ruby 2.5
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0xColby
colby-swandale
slack.bundler.io#bundler
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bundler.io
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bundler/bundler
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Bundler ❤ Contributors
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͋Γ͕ͱ͏!