def execute
specs = {}
srcindex = SourceIndex.from_installed_gems
options[:args] << '.' if options[:args].empty?
options[:args].each do |name|
speclist = srcindex.search(name, options[:version])
if speclist.empty?
say "No match found for #{name} (#{options[:version]})"
else
speclist.each do |spec|
specs[spec.full_name] = spec
end
end
end
reverse = Hash.new { |h, k| h[k] = [] }
if options[:reverse_dependencies]
specs.values.each do |spec|
reverse[spec.full_name] = find_reverse_dependencies(spec, srcindex)
end
end
if options[:pipe_format]
specs.values.sort.each do |spec|
unless spec.dependencies.empty?
spec.dependencies.each do |dep|
puts "#{dep.name} --version '#{dep.version_requirements}'"
end
end
end
else
response = ''
specs.values.sort.each do |spec|
response << print_dependencies(spec)
unless reverse[spec.full_name].empty?
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