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##
# A VendorSet represents gems that have been unpacked into a specific
# directory that contains a gemspec.
#
# This is used for gem dependency file support.
#
# Example:
#
# set = Gem::Resolver::VendorSet.new
#
# set.add_vendor_gem 'rake', 'vendor/rake'
#
# The directory vendor/rake must contain an unpacked rake gem along with a
# rake.gemspec (watching the given name).
class Gem::Resolver::VendorSet < Gem::Resolver::Set
##
# The specifications for this set.
attr_reader :specs # :nodoc:
def initialize # :nodoc:
super()
@directories = {}
@specs = {}
end
##
# Adds a specification to the set with the given +name+ which has been
# unpacked into the given +directory+.
def add_vendor_gem name, directory # :nodoc:
gemspec = File.join directory, "#{name}.gemspec"
spec = Gem::Specification.load gemspec
raise Gem::GemNotFoundException,
"unable to find #{gemspec} for gem #{name}" unless spec
spec.full_gem_path = File.expand_path directory
@specs[spec.name] = spec
@directories[spec] = directory
spec
end
##
# Returns an Array of VendorSpecification objects matching the
# DependencyRequest +req+.
def find_all req
@specs.values.select do |spec|
req.match? spec
end.map do |spec|
source = Gem::Source::Vendor.new @directories[spec]
Gem::Resolver::VendorSpecification.new self, spec, source
end
end
##
# Loads a spec with the given +name+. +version+, +platform+ and +source+ are
# ignored.
def load_spec name, version, platform, source # :nodoc:
@specs.fetch name
end
def pretty_print q # :nodoc:
q.group 2, '[VendorSet', ']' do
next if @directories.empty?
q.breakable
dirs = @directories.map do |spec, directory|
"#{spec.full_name}: #{directory}"
end
q.seplist dirs do |dir|
q.text dir
end
end
end
end
|
