зеркало из https://github.com/github/ruby.git
93 строки
1.9 KiB
Ruby
93 строки
1.9 KiB
Ruby
require 'rubygems/source'
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class Gem::Source::Local < Gem::Source
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def initialize
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@uri = nil
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end
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def load_specs(type)
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names = []
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@specs = {}
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Dir["*.gem"].each do |file|
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begin
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pkg = Gem::Package.new(file)
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rescue SystemCallError, Gem::Package::FormatError
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# ignore
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else
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tup = pkg.spec.name_tuple
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@specs[tup] = [File.expand_path(file), pkg]
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case type
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when :released
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unless pkg.spec.version.prerelease?
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names << pkg.spec.name_tuple
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end
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when :prerelease
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if pkg.spec.version.prerelease?
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names << pkg.spec.name_tuple
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end
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when :latest
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tup = pkg.spec.name_tuple
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cur = names.find { |x| x.name == tup.name }
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if !cur
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names << tup
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elsif cur.version < tup.version
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names.delete cur
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names << tup
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end
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else
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names << pkg.spec.name_tuple
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end
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end
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end
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names
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end
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def find_gem(gem_name, version=Gem::Requirement.default,
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prerelease=false)
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load_specs :complete
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found = []
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@specs.each do |n, data|
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if n.name == gem_name
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s = data[1].spec
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if version.satisfied_by?(s.version)
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if prerelease
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found << s
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elsif !s.version.prerelease?
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found << s
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end
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end
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end
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end
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found.sort_by { |s| s.version }.last
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end
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def fetch_spec(name)
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load_specs :complete
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if data = @specs[name]
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data.last.spec
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else
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raise Gem::Exception, "Unable to find spec for '#{name}'"
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end
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end
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def download(spec, cache_dir=nil)
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load_specs :complete
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@specs.each do |name, data|
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return data[0] if data[1].spec == spec
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end
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raise Gem::Exception, "Unable to find file for '#{spec.full_name}'"
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end
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end
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