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RubyGems入門
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Shinichi Maeshima
December 10, 2018
Technology
2
3.9k
RubyGems入門
リンカーズさんの社内LT会で発表した内容です。RubyGemsの仕組みと作り方について。
Shinichi Maeshima
December 10, 2018
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Transcript
rubygemsೖ
ΈΜͳgem͖Ͱ͢ΑͶ??
gemΛ͏ਓଟ͍͚Ͳ࡞Δਓগͳ͍
gem࡞ΔͷͬͯࢥͬͨΑΓ ؆୯ ͳΜͰ͢Αͱ͍͏Λ͠·͢
࡞Δલʹɺ·ͣ Έʹ͍ͭͯͬ͘͟Γ ղઆ͠·͢
ͦͦgemͬͯͲ͏͍͏Ͱ ಈ͍͍ͯΔͷ https://github.com/rubygems/rubygems » ΈΜͳ͓ͳ͡Έgem installͳͲͷίϚϯυ » gemͷrequireͷڍಈΛఏڙ͍ͯ͠Δ
rubygemsΛrequire͢Δͱɺ require͕ஔ͖ΘΔ 1.·ͣී௨ʹrequire($LOAD_PATHΛ୳͢) 2.ͳʹݟ͔ͭΒͳ͔ͬͨΒɺաڈʹgem installͨ͠gemΛ୳͠ ͯɺݟ͔ͭͬͨΒ$LOAD_PATHʹͦͷgemͷpathΛՃͯ͠ require͢Δ
rubygemsࣗಈͰrequire͞ΕΔ » Ruby1.9͔Β » ࣗಈͰrequireͨ͘͠ͳ͍ͱ͖RubyͷϏϧυ࣌ʹexport RUBYOPT='--disable gems'͓ͯ͘͠ඞཁ͕͋ΔΒ͍͠
ͰͨͪΏΔ;Θ Rails͍ͬͯ΄ͱ ΜͲgemΛrequire͠ ͳ͍ΑͶʁ
Bundler
Gemfile ྫ gem ‘rails’, ‘>~ 5.2.0’ gem 'bootsnap', '>= 1.1.0',
require: false
Bundler.setup && Bundler.require ͜ΕΒRailsڥΛϩʔυ͢Δͱ͖ʹඞ࣮ͣߦ͞ΕΔ # config/boot.rb require 'bundler/setup' # config/application.rb
Bundler.require(*Rails.groups)
Bundler.setup Gemfileʹఆٛ͞Ε͍ͯΔgemΛͥΜͿ$LOAD_PATHʹՃ͢Δ
Bundler.require(*Rails.groups) Gemfileʹఆٛ͞Ε͍ͯΔgemΛrequire͢Δɻͨͩ͠ » Ҿͷgroupʹଐ͍ͯ͠ͳ͍gemrequire͠ͳ͍ » gem 'bootsnap', '>= 1.1.0', require:
falseΈ͍ͨʹ require: falseͱͳ͍ͬͯΔgemrequire͠ͳ͍ » ։ൃ༻ͱ͔ςετ༻ͷgemͩͱҰ୴require: falseͱ͓͍ͯ͠ ͯɺಛఆͷίϚϯυͷͱ͖͚ͩ໌ࣔతʹrequire͢Δɺͱ͍͏gem ͕࣌ʑ͋Γ·͢
࣍ʹ࡞Γํ
budler͕gemͷ࡞Γ༻ͷίϚ ϯυΛఏڙ͍ͯ͠Δ bundle gem gemͷ໊લ ͰOK
ࢼ͠ʹhelloworld gemΛ࡞ͬͯΈ ·͢ bundle gem helloworld Creating gem 'helloworld'... MIT
License enabled in config Code of conduct enabled in config create helloworld/Gemfile create helloworld/lib/helloworld.rb create helloworld/lib/helloworld/version.rb create helloworld/helloworld.gemspec create helloworld/Rakefile create helloworld/README.md create helloworld/bin/console create helloworld/bin/setup create helloworld/.gitignore create helloworld/.travis.yml create helloworld/.rspec create helloworld/spec/spec_helper.rb create helloworld/spec/helloworld_spec.rb create helloworld/LICENSE.txt create helloworld/CODE_OF_CONDUCT.md Initializing git repo in /Users/shinichi.maeshima/tmp/helloworld Gem 'helloworld' was successfully created. For more information on making a RubyGem visit https://bundler.io/guides/creating_gem.html
ͨ͘͞ΜϑΝΠϧ͕ੜ͞Εͨ . !"" CODE_OF_CONDUCT.md !"" Gemfile !"" LICENSE.txt !"" README.md
!"" Rakefile !"" bin # !"" console # $"" setup !"" helloworld.gemspec !"" lib # !"" helloworld # # $"" version.rb # $"" helloworld.rb $"" spec !"" helloworld_spec.rb $"" spec_helper.rb
͓͖͑ͯ͘͜ͷ̎ͭ » lib/helloworld.rb » gemΛrequireͨ͠ͱ͖ͷىʹͳΔϑΝΠϧ » helloworld.gemspec » gemͷઆ໌ґଘؔΛఆٛ͢ΔϑΝΠϧ
lib/helloworld.rb ྫ require "helloworld/version" module Helloworld def self.say puts 'hello
world!' end end
helloworld.gemspec ྫɻҰ෦লུͯ͠·͢ Gem::Specification.new do |spec| spec.name = "helloworld" spec.version =
Helloworld::VERSION spec.authors = ["willnet"] spec.email = ["netwillnet@gmail.com"] spec.summary = %q{TODO: Write a short summary, because RubyGems requires one.} spec.description = %q{TODO: Write a longer description or delete this line.} spec.homepage = "TODO: Put your gem's website or public repo URL here." spec.license = "MIT" spec.files = Dir.chdir(File.expand_path('..', __FILE__)) do `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) } end spec.bindir = "exe" spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) } spec.require_paths = ["lib"] spec.add_development_dependency "bundler", "~> 1.17" spec.add_development_dependency "rake", "~> 10.0" spec.add_development_dependency "rspec", "~> 3.0" end
TODO: ͱͳ͍ͬͯΔͱ͜ΖΛॻ͍ͯͳ͍ͱౖ ΒΕΔͷͰͪΌΜͱॻ͖·͠ΐ͏ ྫͷsummaryͱdescriptionͱhomepageΛमਖ਼ Gem::Specification.new do |spec| spec.name = "helloworld"
spec.version = Helloworld::VERSION spec.authors = ["willnet"] spec.email = ["netwillnet@gmail.com"] spec.summary = %q{Hello World} spec.description = %q{Hello World gem for sample} spec.homepage = “https://github.com/willnet/helloworld” spec.license = "MIT" spec.files = Dir.chdir(File.expand_path('..', __FILE__)) do `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) } end spec.bindir = "exe" spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) } spec.require_paths = ["lib"] spec.add_development_dependency "bundler", "~> 1.17" spec.add_development_dependency "rake", "~> 10.0" spec.add_development_dependency "rspec", "~> 3.0" end
ґଘ͍ͯ͠Δgem͕͋Δͱ͖ helloworld.gemspecʹॻ͖ ·͢ ྫ spec.add_dependency ‘rails’ spec.add_development_dependency ‘gimei’
ϩʔΧϧڥʹΠϯετʔϧ͠ ͯಈ࡞Λࢼ͍ͨ͠ rake install require 'helloworld' #=> true Helloworld.say #=>
nil hello world!
ςετͷৄࡉͳॻ͖ํলུ͠ ·͢ ςετ༻ͷσΟϨΫτϦ͕ੜ͞Ε͍ͯΔͷͰɺ͙͢ʹ͍ͭͷΑ͏ʹॻ ͚·͢
ςετॻ͖·͠ΐ͏ Ͷ ❤
gem͕ͨ͠
rubygems.orgʹϦϦʔε͢Δ ͧʂ ࣄલʹrubygems.orgͰΞΧϯτ࡞͓ͬͯ͘ඞཁ͋Δͣ rake release
ࣾͰ͔͠Θͳ͍gemͬͯͲ͏ ϗεςΟϯά͢Δͷʁ » githubgitlabʹίʔυΛϗεςΟϯά » Gemfileʹ࣍ͷΑ͏ʹॻ͍͓͚ͯOK gem ‘helloworld’, git: ‘https://github.com/willnet/helloworld.git'
gemʹΓग़ͤͦ͏ ͳίʔυɺͲΜͲΜ Γग़͍͖ͯ͠·͠ ΐ͏!!!1