Module: Busser::RubyGems

Included in:
Command::PluginInstall
Defined in:
lib/busser/rubygems.rb

Overview

RubyGems API abstraction logic, used to install and verify plugins.

Author:

Class Method Summary collapse

Class Method Details

.gem_installed?(name, version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/busser/rubygems.rb', line 31

def gem_installed?(name, version)
  version = Gem::Requirement.default unless version
  ! Gem::Dependency.new(name, version).matching_specs.empty?
end

.install_gem(gem, version) ⇒ Object 



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# File 'lib/busser/rubygems.rb', line 36

def install_gem(gem, version)
  version = Gem::Requirement.default unless version

  inst = Gem::DependencyInstaller.new(rbg_options)
  specs = inst.install(gem, Gem::Requirement.create(version))

  Gem.clear_paths
  specs.find { |s| s.name == gem }
end

.rbg_options ⇒ Object 



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# File 'lib/busser/rubygems.rb', line 46

def rbg_options
  @rbg_options ||= Gem::DependencyInstaller::DEFAULT_OPTIONS.merge(
    :suggest_alternate => false,
    :version => Gem::Requirement.default,
    :without_groups => [],
    :minimal_deps => true,
    :http_proxy => ENV.fetch("http_proxy", ENV.fetch("HTTP_PROXY", nil))
  )
end

.silence_gem_ui ⇒ Object 



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# File 'lib/busser/rubygems.rb', line 56

def silence_gem_ui
  interaction = Gem::DefaultUserInteraction.ui
  if !Gem.configuration.really_verbose
    Gem::DefaultUserInteraction.ui = Gem::SilentUI.new
  end
  yield
ensure
  Gem::DefaultUserInteraction.ui = interaction
end