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71 lines
1.5 KiB
Ruby
71 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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##
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# A source representing a single .gem file. This is used for installation of
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# local gems.
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class Gem::Source::SpecificFile < Gem::Source
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##
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# The path to the gem for this specific file.
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attr_reader :path
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##
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# Creates a new SpecificFile for the gem in +file+
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def initialize(file)
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@uri = nil
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@path = ::File.expand_path(file)
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@package = Gem::Package.new @path
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@spec = @package.spec
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@name = @spec.name_tuple
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end
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##
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# The Gem::Specification extracted from this .gem.
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attr_reader :spec
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def load_specs(*a) # :nodoc:
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[@name]
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end
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def fetch_spec(name) # :nodoc:
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return @spec if name == @name
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raise Gem::Exception, "Unable to find '#{name}'"
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@spec
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end
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def download(spec, dir = nil) # :nodoc:
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return @path if spec == @spec
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raise Gem::Exception, "Unable to download '#{spec.full_name}'"
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end
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def pretty_print(q) # :nodoc:
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q.group 2, "[SpecificFile:", "]" do
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q.breakable
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q.text @path
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end
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end
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##
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# Orders this source against +other+.
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#
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# If +other+ is a SpecificFile from a different gem name +nil+ is returned.
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#
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# If +other+ is a SpecificFile from the same gem name the versions are
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# compared using Gem::Version#<=>
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#
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# Otherwise Gem::Source#<=> is used.
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def <=>(other)
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case other
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when Gem::Source::SpecificFile then
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return nil if @spec.name != other.spec.name
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@spec.version <=> other.spec.version
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else
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super
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end
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end
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end
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