lookup(generator_name)
public
Lookup knows how to find generators’ Specs from a list of Sources.
Searches the sources, in order, for the first matching name.
# File railties/lib/rails_generator/lookup.rb, line 113
def lookup(generator_name)
@found ||= {}
generator_name = generator_name.to_s.downcase
@found[generator_name] ||= cache.find { |spec| spec.name == generator_name }
unless @found[generator_name]
chars = generator_name.scan(/./).map{|c|"#{c}.*?"}
rx = /^#{chars}$/
gns = cache.select{|spec| spec.name =~ rx }
@found[generator_name] ||= gns.first if gns.length == 1
raise GeneratorError, "Pattern '#{generator_name}' matches more than one generator: #{gns.map{|sp|sp.name}.join(', ')}" if gns.length > 1
end
@found[generator_name] or raise GeneratorError, "Couldn't find '#{generator_name}' generator"
end
