def execute
version = options[:version] || Gem::Requirement.default
spec_dirs = options[:specdirs].map do |i|
[i, File.join(i, "specifications")]
end.flatten
path_kind = if spec_dirs.empty? then
spec_dirs = Gem::SourceIndex.installed_spec_directories
"default gem paths"
else
"specified path"
end
si = Gem::SourceIndex.from_gems_in(*spec_dirs)
gem_names = if options[:all] then
si.map { |_, spec| spec.name }
else
get_all_gem_names
end
gem_names.each do |name|
gem_spec = si.find_name(name, version).last
unless gem_spec then
say "Unable to find gem '#{name}' in #{path_kind}"
if Gem.configuration.verbose then
say "\nDirectories searched:"
spec_dirs.each { |dir| say dir }
end
terminate_interaction 1 if gem_names.length == 1
end
files = options[:lib_only] ? gem_spec.lib_files : gem_spec.files
files.each do |f|
path = if options[:prefix] then
File.join gem_spec.full_gem_path, f
else
f
end
say path
end
end
end