def execute
version = options[:version] || Gem::Requirement.default
gem = get_one_gem_name
s = options[:specdirs].map do |i|
[i, File.join(i, "specifications")]
end.flatten
path_kind = if s.empty? then
s = Gem::SourceIndex.installed_spec_directories
"default gem paths"
else
"specified path"
end
si = Gem::SourceIndex.from_gems_in(*s)
gem_spec = si.find_name(gem, version).last
unless gem_spec then
say "Unable to find gem '#{gem}' in #{path_kind}"
if Gem.configuration.verbose then
say "\nDirectories searched:"
s.each { |dir| say dir }
end
terminate_interaction
end
files = options[:lib_only] ? gem_spec.lib_files : gem_spec.files
files.each do |f|
say File.join(gem_spec.full_gem_path, f)
end
end