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##
# Represents an installed gem. This is used for dependency resolution.
class Gem::Source::Installed < Gem::Source
def initialize # :nodoc:
@uri = nil
end
##
# Installed sources sort before all other sources
def <=> other
case other
when Gem::Source::Vendor then
-1
when Gem::Source::Installed then
0
when Gem::Source then
1
else
nil
end
end
##
# We don't need to download an installed gem
def download spec, path
nil
end
end
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