1 files changed, 53 insertions, 105 deletions
@@ -38,121 +38,89 @@ class Gem::Commands::DependencyCommand < Gem::Command
 "--local --version '#{Gem::Requirement.default}' --no-reverse-dependencies"
 end
- def description # :nodoc:
- <<-EOF
-The dependency commands lists which other gems a given gem depends on. For
-local gems only the reverse dependencies can be shown (which gems depend on
-the named gem).
-
-The dependency list can be displayed in a format suitable for piping for
-use with other commands.
- EOF
- end
-
 def usage # :nodoc:
 "#{program_name} GEMNAME"
 end
- def fetch_remote_specs dependency # :nodoc:
- fetcher = Gem::SpecFetcher.fetcher
-
- ss, = fetcher.spec_for_dependency dependency
-
- ss.map { |spec, _| spec }
- end
-
- def fetch_specs dependency # :nodoc:
- specs = []
-
- specs.concat dependency.matching_specs if local?
- specs.concat fetch_remote_specs dependency if remote?
-
- ensure_specs specs
-
- specs.uniq.sort
- end
- def gem_dependency args, version, prerelease # :nodoc:
- args << '' if args.empty?
- pattern = if args.length == 1 and args.first =~ /\A\/(.*)\/(i)?\z/m then
 flags = $2 ? Regexp::IGNORECASE : nil
 Regexp.new $1, flags
 else
- /\A#{Regexp.union(*args)}/
 end
 dependency = Gem::Deprecate.skip_during {
- Gem::Dependency.new pattern, version
 }
- dependency.prerelease = prerelease
- dependency
- end
- def display_pipe specs # :nodoc:
- specs.each do |spec|
- unless spec.dependencies.empty? then
- spec.dependencies.sort_by { |dep| dep.name }.each do |dep|
- say "#{dep.name} --version '#{dep.requirement}'"
- end
- end
- end
- end
- def display_readable specs, reverse # :nodoc:
- response = ''
- specs.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
- def execute
- ensure_local_only_reverse_dependencies
- dependency =
- gem_dependency options[:args], options[:version], options[:prerelease]
- specs = fetch_specs dependency
- reverse = reverse_dependencies specs
 if options[:pipe_format] then
- display_pipe specs
 else
- display_readable specs, reverse
- end
- end
- def ensure_local_only_reverse_dependencies # :nodoc:
- if options[:reverse_dependencies] and remote? and not local? then
- alert_error 'Only reverse dependencies for local gems are supported.'
- terminate_interaction 1
 end
 end
- def ensure_specs specs # :nodoc:
- return unless specs.empty?
-
- patterns = options[:args].join ','
- say "No gems found matching #{patterns} (#{options[:version]})" if
- Gem.configuration.verbose
-
- terminate_interaction 1
- end
-
- def print_dependencies(spec, level = 0) # :nodoc:
 response = ''
 response << ' ' * level + "Gem #{spec.full_name}\n"
 unless spec.dependencies.empty? then
@@ -163,30 +131,10 @@ use with other commands.
 response
 end
- def remote_specs dependency # :nodoc:
- fetcher = Gem::SpecFetcher.fetcher
-
- ss, _ = fetcher.spec_for_dependency dependency
-
- ss.map { |s,o| s }
- end
-
- def reverse_dependencies specs # :nodoc:
- reverse = Hash.new { |h, k| h[k] = [] }
-
- return reverse unless options[:reverse_dependencies]
-
- specs.each do |spec|
- reverse[spec.full_name] = find_reverse_dependencies spec
- end
-
- reverse
- end
-
 ##
 # Returns an Array of [specification, dep] that are satisfied by +spec+.
- def find_reverse_dependencies spec # :nodoc:
 result = []
 Gem::Specification.each do |sp|