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The LockSpecification comes from a lockfile (Gem::RequestSet::Lockfile).

A LockSpecification’s dependency information is pre-filled from the lockfile.

Methods
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N
S

Attributes

[R] sources

Class Public methods

new(set, name, version, sources, platform)

Source: show | on GitHub 

# File ruby/lib/rubygems/resolver/lock_specification.rb, line 12
def initialize(set, name, version, sources, platform)
  super()

  @name     = name
  @platform = platform
  @set      = set
  @source   = sources.first
  @sources  = sources
  @version  = version

  @dependencies = []
  @spec         = nil
end

Instance Public methods

install(options = {})

This is a null install as a locked specification is considered installed. options are ignored.

Source: show | on GitHub 

# File ruby/lib/rubygems/resolver/lock_specification.rb, line 30
def install(options = {})
  destination = options[:install_dir] || Gem.dir

  if File.exist? File.join(destination, "specifications", spec.spec_name)
    yield nil
    return
  end

  super
end

spec()

A specification constructed from the lockfile is returned

Source: show | on GitHub 

# File ruby/lib/rubygems/resolver/lock_specification.rb, line 73
def spec
  @spec ||= Gem::Specification.find do |spec|
    spec.name == @name && spec.version == @version
  end

  @spec ||= Gem::Specification.new do |s|
    s.name     = @name
    s.version  = @version
    s.platform = @platform

    s.dependencies.concat @dependencies
  end
end