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3e92b635fb
When you change this to true, you may need to add more tests. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
111 lines
2.3 KiB
Ruby
111 lines
2.3 KiB
Ruby
# frozen_string_literal: false
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##
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# A Resolver::Specification contains a subset of the information
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# contained in a Gem::Specification. Only the information necessary for
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# dependency resolution in the resolver is included.
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class Gem::Resolver::Specification
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##
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# The dependencies of the gem for this specification
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attr_reader :dependencies
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##
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# The name of the gem for this specification
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attr_reader :name
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##
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# The platform this gem works on.
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attr_reader :platform
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##
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# The set this specification came from.
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attr_reader :set
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##
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# The source for this specification
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attr_reader :source
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##
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# The Gem::Specification for this Resolver::Specification.
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#
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# Implementers, note that #install updates @spec, so be sure to cache the
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# Gem::Specification in @spec when overriding.
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attr_reader :spec
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##
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# The version of the gem for this specification.
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attr_reader :version
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##
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# Sets default instance variables for the specification.
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def initialize
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@dependencies = nil
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@name = nil
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@platform = nil
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@set = nil
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@source = nil
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@version = nil
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end
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##
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# Fetches development dependencies if the source does not provide them by
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# default (see APISpecification).
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def fetch_development_dependencies # :nodoc:
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end
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##
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# The name and version of the specification.
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#
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# Unlike Gem::Specification#full_name, the platform is not included.
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def full_name
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"#{@name}-#{@version}"
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end
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##
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# Installs this specification using the Gem::Installer +options+. The
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# install method yields a Gem::Installer instance, which indicates the
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# gem will be installed, or +nil+, which indicates the gem is already
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# installed.
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#
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# After installation #spec is updated to point to the just-installed
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# specification.
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def install options = {}
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require 'rubygems/installer'
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destination = options[:install_dir] || Gem.dir
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Gem.ensure_gem_subdirectories destination
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gem = source.download spec, destination
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installer = Gem::Installer.at gem, options
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yield installer if block_given?
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@spec = installer.install
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end
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##
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# Returns true if this specification is installable on this platform.
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def installable_platform?
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Gem::Platform.match spec.platform
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end
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def local? # :nodoc:
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false
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end
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end
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