135 lines
2.9 KiB
Ruby
135 lines
2.9 KiB
Ruby
##
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# A semi-compatible DSL for the Bundler Gemfile and Isolate formats.
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class Gem::RequestSet::GemDependencyAPI
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##
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# The dependency groups created by #group in the dependency API file.
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attr_reader :dependency_groups
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##
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# A set of gems that are loaded via the +:path+ option to #gem
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attr_reader :vendor_set # :nodoc:
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##
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# Creates a new GemDependencyAPI that will add dependencies to the
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# Gem::RequestSet +set+ based on the dependency API description in +path+.
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def initialize set, path
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@set = set
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@path = path
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@current_groups = nil
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@dependency_groups = Hash.new { |h, group| h[group] = [] }
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@vendor_set = @set.vendor_set
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end
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##
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# Loads the gem dependency file
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def load
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instance_eval File.read(@path).untaint, @path, 1
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end
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##
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# :category: Gem Dependencies DSL
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# :call-seq:
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# gem(name)
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# gem(name, *requirements)
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# gem(name, *requirements, options)
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#
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# Specifies a gem dependency with the given +name+ and +requirements+. You
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# may also supply +options+ following the +requirements+
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def gem name, *requirements
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options = requirements.pop if requirements.last.kind_of?(Hash)
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options ||= {}
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if directory = options.delete(:path) then
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@vendor_set.add_vendor_gem name, directory
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end
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group = options.delete :group
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all_groups = group ? Array(group) : []
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groups = options.delete :groups
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all_groups |= groups if groups
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all_groups |= @current_groups if @current_groups
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unless all_groups.empty? then
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all_groups.each do |group|
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gem_arguments = [name, *requirements]
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gem_arguments << options unless options.empty?
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@dependency_groups[group] << gem_arguments
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end
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return
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end
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@set.gem name, *requirements
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end
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##
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# Returns the basename of the file the dependencies were loaded from
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def gem_deps_file # :nodoc:
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File.basename @path
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end
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##
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# :category: Gem Dependencies DSL
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# Block form for placing a dependency in the given +groups+.
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def group *groups
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@current_groups = groups
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yield
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ensure
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@current_groups = nil
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end
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##
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# :category: Gem Dependencies DSL
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def platform what
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if what == :ruby
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yield
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end
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end
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##
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# :category: Gem Dependencies DSL
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alias :platforms :platform
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##
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# :category: Gem Dependencies DSL
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# Restricts this gem dependencies file to the given ruby +version+. The
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# +:engine+ options from Bundler are currently ignored.
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def ruby version, options = {}
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return true if version == RUBY_VERSION
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message = "Your Ruby version is #{RUBY_VERSION}, " +
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"but your #{gem_deps_file} specified #{version}"
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raise Gem::RubyVersionMismatch, message
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end
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##
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# :category: Gem Dependencies DSL
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def source url
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end
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# TODO: remove this typo name at RubyGems 3.0
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Gem::RequestSet::DepedencyAPI = self # :nodoc:
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end
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