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ruby--ruby/lib/rubygems/resolver/best_set.rb
hsbt a21d403f21 * lib/rubygems.rb, lib/rubygems/*, test/rubygems/*: Update rubygems-2.5.2.
It supports to enable frozen string literal and add `--norc` option for
  disable to `.gemrc` configuration.
  See 2.5.2 release notes for other fixes and enhancements.
  a8aa3bac72/History.txt (L3)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-02-01 12:43:26 +00:00

79 lines
1.6 KiB
Ruby

# frozen_string_literal: true
##
# The BestSet chooses the best available method to query a remote index.
#
# It combines IndexSet and APISet
class Gem::Resolver::BestSet < Gem::Resolver::ComposedSet
##
# Creates a BestSet for the given +sources+ or Gem::sources if none are
# specified. +sources+ must be a Gem::SourceList.
def initialize sources = Gem.sources
super()
@sources = sources
end
##
# Picks which sets to use for the configured sources.
def pick_sets # :nodoc:
@sources.each_source do |source|
@sets << source.dependency_resolver_set
end
end
def find_all req # :nodoc:
pick_sets if @remote and @sets.empty?
super
rescue Gem::RemoteFetcher::FetchError => e
replace_failed_api_set e
retry
end
def prefetch reqs # :nodoc:
pick_sets if @remote and @sets.empty?
super
end
def pretty_print q # :nodoc:
q.group 2, '[BestSet', ']' do
q.breakable
q.text 'sets:'
q.breakable
q.pp @sets
end
end
##
# Replaces a failed APISet for the URI in +error+ with an IndexSet.
#
# If no matching APISet can be found the original +error+ is raised.
#
# The calling method must retry the exception to repeat the lookup.
def replace_failed_api_set error # :nodoc:
uri = error.uri
uri = URI uri unless URI === uri
uri.query = nil
raise error unless api_set = @sets.find { |set|
Gem::Resolver::APISet === set and set.dep_uri == uri
}
index_set = Gem::Resolver::IndexSet.new api_set.source
@sets.map! do |set|
next set unless set == api_set
index_set
end
end
end