AlkantarClanX12
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class Gem::AvailableSet
Tuple = Struct.new(:spec, :source)
def initialize
@set = []
@sorted = nil
end
attr_reader :set
def add(spec, source)
@set << Tuple.new(spec, source)
@sorted = nil
self
end
def <<(o)
case o
when Gem::AvailableSet
s = o.set
when Array
s = o.map do |sp,so|
if !sp.kind_of?(Gem::Specification) or !so.kind_of?(Gem::Source)
raise TypeError, "Array must be in [[spec, source], ...] form"
end
Tuple.new(sp,so)
end
else
raise TypeError, "must be a Gem::AvailableSet"
end
@set += s
@sorted = nil
self
end
def empty?
@set.empty?
end
def all_specs
@set.map { |t| t.spec }
end
def match_platform!
@set.reject! { |t| !Gem::Platform.match(t.spec.platform) }
@sorted = nil
self
end
def sorted
@sorted ||= @set.sort do |a,b|
i = b.spec <=> a.spec
i != 0 ? i : (a.source <=> b.source)
end
end
def size
@set.size
end
def source_for(spec)
f = @set.find { |t| t.spec == spec }
f.source
end
def pick_best!
return self if empty?
@set = [sorted.first]
@sorted = nil
self
end
def remove_installed!(dep)
@set.reject! do |t|
# already locally installed
Gem::Specification.any? do |installed_spec|
dep.name == installed_spec.name and
dep.requirement.satisfied_by? installed_spec.version
end
end
@sorted = nil
self
end
def inject_into_list(dep_list)
@set.each { |t| dep_list.add t.spec }
end
end