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# frozen_string_literal: true
module Bundler
class Source
class RubygemsAggregate
attr_reader :source_map, :sources
def initialize(sources, source_map)
@sources = sources
@source_map = source_map
@index = build_index
end
def specs
@index
end
def identifier
to_s
end
def to_s
"any of the sources"
end
private
def build_index
Index.build do |idx|
dependency_names = source_map.pinned_spec_names
sources.all_sources.each do |source|
source.dependency_names = dependency_names - source_map.pinned_spec_names(source)
idx.add_source source.specs
dependency_names.concat(source.unmet_deps).uniq!
end
double_check_for_index(idx, dependency_names)
end
end
# Suppose the gem Foo depends on the gem Bar. Foo exists in Source A. Bar has some versions that exist in both
# sources A and B. At this point, the API request will have found all the versions of Bar in source A,
# but will not have found any versions of Bar from source B, which is a problem if the requested version
# of Foo specifically depends on a version of Bar that is only found in source B. This ensures that for
# each spec we found, we add all possible versions from all sources to the index.
def double_check_for_index(idx, dependency_names)
pinned_names = source_map.pinned_spec_names
names = :names # do this so we only have to traverse to get dependency_names from the index once
unmet_dependency_names = lambda do
return names unless names == :names
new_names = sources.all_sources.map(&:dependency_names_to_double_check)
return names = nil if new_names.compact!
names = new_names.flatten(1).concat(dependency_names)
names.uniq!
names -= pinned_names
names
end
sources.all_sources.each do |source|
source.double_check_for(unmet_dependency_names)
end
end
end
end
end
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