Class: Fabrique::GemLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/fabrique/gem_loader.rb

Instance Method Summary collapse

Constructor Details

#initialize(gem_definitions) ⇒ GemLoader

Returns a new instance of GemLoader.



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# File 'lib/fabrique/gem_loader.rb', line 5

def initialize(gem_definitions)
  @gem_defs = gem_definitions
  deps = @gem_defs.collect(&:dependency).reject { |x| not x.matching_specs.empty? }
  @gem_set = Gem::RequestSet.new(*deps)
end

Instance Method Details

#load_gems ⇒ Object 



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# File 'lib/fabrique/gem_loader.rb', line 11

def load_gems
  require "rubygems/dependency_installer"
  @gem_set.resolve
  specs = @gem_set.install(Gem::DependencyInstaller::DEFAULT_OPTIONS.merge(document: []))
  specs.each do |spec|
    spec.activate
  end
  @gem_defs.collect(&:required_as).each { |x| require x }
rescue Gem::DependencyResolutionError, Gem::UnsatisfiableDependencyError => e
  raise Fabrique::GemDependencyError.new(e.message)
end