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