diff options
Diffstat (limited to 'trunk/lib/rubygems/commands/dependency_command.rb')
-rw-r--r-- | trunk/lib/rubygems/commands/dependency_command.rb | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/trunk/lib/rubygems/commands/dependency_command.rb b/trunk/lib/rubygems/commands/dependency_command.rb deleted file mode 100644 index 44b269bb11..0000000000 --- a/trunk/lib/rubygems/commands/dependency_command.rb +++ /dev/null @@ -1,188 +0,0 @@ -require 'rubygems/command' -require 'rubygems/local_remote_options' -require 'rubygems/version_option' -require 'rubygems/source_info_cache' - -class Gem::Commands::DependencyCommand < Gem::Command - - include Gem::LocalRemoteOptions - include Gem::VersionOption - - def initialize - super 'dependency', - 'Show the dependencies of an installed gem', - :version => Gem::Requirement.default, :domain => :local - - add_version_option - add_platform_option - - add_option('-R', '--[no-]reverse-dependencies', - 'Include reverse dependencies in the output') do - |value, options| - options[:reverse_dependencies] = value - end - - add_option('-p', '--pipe', - "Pipe Format (name --version ver)") do |value, options| - options[:pipe_format] = value - end - - add_local_remote_options - end - - def arguments # :nodoc: - "GEMNAME name of gem to show dependencies for" - end - - def defaults_str # :nodoc: - "--local --version '#{Gem::Requirement.default}' --no-reverse-dependencies" - end - - def usage # :nodoc: - "#{program_name} GEMNAME" - end - - def execute - options[:args] << '' if options[:args].empty? - specs = {} - - source_indexes = Hash.new do |h, source_uri| - h[source_uri] = Gem::SourceIndex.new - end - - pattern = if options[:args].length == 1 and - options[:args].first =~ /\A\/(.*)\/(i)?\z/m then - flags = $2 ? Regexp::IGNORECASE : nil - Regexp.new $1, flags - else - /\A#{Regexp.union(*options[:args])}/ - end - - dependency = Gem::Dependency.new pattern, options[:version] - - if options[:reverse_dependencies] and remote? and not local? then - alert_error 'Only reverse dependencies for local gems are supported.' - terminate_interaction 1 - end - - if local? then - Gem.source_index.search(dependency).each do |spec| - source_indexes[:local].add_spec spec - end - end - - if remote? and not options[:reverse_dependencies] then - fetcher = Gem::SpecFetcher.fetcher - - begin - fetcher.find_matching(dependency).each do |spec_tuple, source_uri| - spec = fetcher.fetch_spec spec_tuple, URI.parse(source_uri) - - source_indexes[source_uri].add_spec spec - end - rescue Gem::RemoteFetcher::FetchError => e - raise unless fetcher.warn_legacy e do - require 'rubygems/source_info_cache' - - specs = Gem::SourceInfoCache.search_with_source dependency, false - - specs.each do |spec, source_uri| - source_indexes[source_uri].add_spec spec - end - end - end - end - - if source_indexes.empty? then - patterns = options[:args].join ',' - say "No gems found matching #{patterns} (#{options[:version]})" if - Gem.configuration.verbose - - terminate_interaction 1 - end - - specs = {} - - source_indexes.values.each do |source_index| - source_index.gems.each do |name, spec| - specs[spec.full_name] = [source_index, spec] - end - end - - reverse = Hash.new { |h, k| h[k] = [] } - - if options[:reverse_dependencies] then - specs.values.each do |_, spec| - reverse[spec.full_name] = find_reverse_dependencies spec - end - end - - if options[:pipe_format] then - specs.values.sort_by { |_, spec| spec }.each do |_, spec| - unless spec.dependencies.empty? - spec.dependencies.each do |dep| - say "#{dep.name} --version '#{dep.version_requirements}'" - end - end - end - else - response = '' - - specs.values.sort_by { |_, spec| spec }.each do |_, spec| - response << print_dependencies(spec) - unless reverse[spec.full_name].empty? then - response << " Used by\n" - reverse[spec.full_name].each do |sp, dep| - response << " #{sp} (#{dep})\n" - end - end - response << "\n" - end - - say response - end - end - - def print_dependencies(spec, level = 0) - response = '' - response << ' ' * level + "Gem #{spec.full_name}\n" - unless spec.dependencies.empty? then - spec.dependencies.each do |dep| - response << ' ' * level + " #{dep}\n" - end - end - response - end - - # Retuns list of [specification, dep] that are satisfied by spec. - def find_reverse_dependencies(spec) - result = [] - - Gem.source_index.each do |name, sp| - sp.dependencies.each do |dep| - dep = Gem::Dependency.new(*dep) unless Gem::Dependency === dep - - if spec.name == dep.name and - dep.version_requirements.satisfied_by?(spec.version) then - result << [sp.full_name, dep] - end - end - end - - result - end - - def find_gems(name, source_index) - specs = {} - - spec_list = source_index.search name, options[:version] - - spec_list.each do |spec| - specs[spec.full_name] = [source_index, spec] - end - - specs - end - -end - |