Current File : //opt/alt/ruby20/lib64/ruby/2.0.0/rubygems/source_local.rb
require 'rubygems/source'
class Gem::Source::Local < Gem::Source
def initialize
@uri = nil
end
def load_specs(type)
names = []
@specs = {}
Dir["*.gem"].each do |file|
begin
pkg = Gem::Package.new(file)
rescue SystemCallError, Gem::Package::FormatError
# ignore
else
tup = pkg.spec.name_tuple
@specs[tup] = [File.expand_path(file), pkg]
case type
when :released
unless pkg.spec.version.prerelease?
names << pkg.spec.name_tuple
end
when :prerelease
if pkg.spec.version.prerelease?
names << pkg.spec.name_tuple
end
when :latest
tup = pkg.spec.name_tuple
cur = names.find { |x| x.name == tup.name }
if !cur
names << tup
elsif cur.version < tup.version
names.delete cur
names << tup
end
else
names << pkg.spec.name_tuple
end
end
end
names
end
def find_gem(gem_name, version=Gem::Requirement.default,
prerelease=false)
load_specs :complete
found = []
@specs.each do |n, data|
if n.name == gem_name
s = data[1].spec
if version.satisfied_by?(s.version)
if prerelease
found << s
elsif !s.version.prerelease?
found << s
end
end
end
end
found.sort_by { |s| s.version }.last
end
def fetch_spec(name)
load_specs :complete
if data = @specs[name]
data.last.spec
else
raise Gem::Exception, "Unable to find spec for '#{name}'"
end
end
def download(spec, cache_dir=nil)
load_specs :complete
@specs.each do |name, data|
return data[0] if data[1].spec == spec
end
raise Gem::Exception, "Unable to find file for '#{spec.full_name}'"
end
end
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