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|
# frozen_string_literal: true
##
# Specifies a Specification object that should be activated. Also contains a
# dependency that was used to introduce this activation.
class Gem::Resolver::ActivationRequest
##
# The parent request for this activation request.
attr_reader :request
##
# The specification to be activated.
attr_reader :spec
##
# Creates a new ActivationRequest that will activate +spec+. The parent
# +request+ is used to provide diagnostics in case of conflicts.
def initialize(spec, request)
@spec = spec
@request = request
end
def ==(other) # :nodoc:
case other
when Gem::Specification
@spec == other
when Gem::Resolver::ActivationRequest
@spec == other.spec && @request == other.request
else
false
end
end
##
# Is this activation request for a development dependency?
def development?
@request.development?
end
##
# Downloads a gem at +path+ and returns the file path.
def download(path)
Gem.ensure_gem_subdirectories path
if @spec.respond_to? :sources
exception = nil
path = @spec.sources.find do |source|
begin
source.download full_spec, path
rescue exception
end
end
return path if path
raise exception if exception
elsif @spec.respond_to? :source
source = @spec.source
source.download full_spec, path
else
source = Gem.sources.first
source.download full_spec, path
end
end
##
# The full name of the specification to be activated.
def full_name
name_tuple.full_name
end
alias_method :to_s, :full_name
##
# The Gem::Specification for this activation request.
def full_spec
Gem::Specification === @spec ? @spec : @spec.spec
end
def inspect # :nodoc:
'#<%s for %p from %s>' % [
self.class, @spec, @request
]
end
##
# True if the requested gem has already been installed.
def installed?
case @spec
when Gem::Resolver::VendorSpecification then
true
else
this_spec = full_spec
Gem::Specification.any? do |s|
s == this_spec
end
end
end
##
# The name of this activation request's specification
def name
@spec.name
end
##
# Return the ActivationRequest that contained the dependency
# that we were activated for.
def parent
@request.requester
end
def pretty_print(q) # :nodoc:
q.group 2, '[Activation request', ']' do
q.breakable
q.pp @spec
q.breakable
q.text ' for '
q.pp @request
end
end
##
# The version of this activation request's specification
def version
@spec.version
end
##
# The platform of this activation request's specification
def platform
@spec.platform
end
private
def name_tuple
@name_tuple ||= Gem::NameTuple.new(name, version, platform)
end
end
|
