Class: Inspec::DependencyLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/inspec/dependency_loader.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(gem_path = nil, gem_list = []) ⇒ DependencyLoader

initializes the dependency_loader



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# File 'lib/inspec/dependency_loader.rb', line 10

def initialize(gem_path = nil, gem_list = [])
  @gem_path = gem_path || inspec_gem_path
  @gem_list = gem_list
end

Instance Attribute Details

#gem_list ⇒ Object

Returns the value of attribute gem_list.



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# File 'lib/inspec/dependency_loader.rb', line 7

def gem_list
  @gem_list
end

#gem_path ⇒ Object

Returns the value of attribute gem_path.



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# File 'lib/inspec/dependency_loader.rb', line 7

def gem_path
  @gem_path
end

Class Method Details

.inspec_gem_path ⇒ Object 



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# File 'lib/inspec/dependency_loader.rb', line 29

def self.inspec_gem_path
  require "rbconfig" unless defined?(RbConfig)
  ruby_abi_version = RbConfig::CONFIG["ruby_version"]
  # TODO: why are we installing under the api directory for plugins?
  base_dir = Inspec.config_dir
  base_dir = File.realpath base_dir if File.exist? base_dir
  File.join(base_dir, "gems", ruby_abi_version)
end

Instance Method Details

#gem_installed?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspec/dependency_loader.rb', line 48

def gem_installed?(name)
  list_installed_gems.any? { |spec| spec.name == name }
end

#gem_version_installed?(name, version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspec/dependency_loader.rb', line 52

def gem_version_installed?(name, version)
  if version.nil?
    list_installed_gems.any? { |s| s.name == name }
  else
    list_installed_gems.any? { |s| s.name == name && Gem::Requirement.new(version.split(",")) =~ s.version }
  end
end

#inspec_gem_path ⇒ Object 



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# File 'lib/inspec/dependency_loader.rb', line 25

def inspec_gem_path
  self.class.inspec_gem_path
end

#list_installed_gems ⇒ Object 



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# File 'lib/inspec/dependency_loader.rb', line 44

def list_installed_gems
  list_managed_gems
end

#list_managed_gems ⇒ Array[Gem::Specification]

Lists all gems found in the inspec_gem_path.

Returns:

  • (Array[Gem::Specification]) —

    Specs of all gems found.



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# File 'lib/inspec/dependency_loader.rb', line 40

def list_managed_gems
  Dir.glob(File.join(gem_path, "specifications", "*.gemspec")).map { |p| Gem::Specification.load(p) }
end

#load ⇒ Object 



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# File 'lib/inspec/dependency_loader.rb', line 15

def load
  Gem.path << gem_path
  Gem.refresh

  gem_list.each do |gem_data|
    version = gem_data[:version].nil? ? "> 0" : gem_data[:version]
    activate_gem_dependency(gem_data[:name], version)
  end
end