зеркало из https://github.com/github/ruby.git
101 строка
2.6 KiB
Ruby
101 строка
2.6 KiB
Ruby
require 'rubygems/command'
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require 'rubygems/dependency_list'
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require 'rubygems/uninstaller'
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class Gem::Commands::CleanupCommand < Gem::Command
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def initialize
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super 'cleanup',
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'Clean up old versions of installed gems in the local repository',
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:force => false, :install_dir => Gem.dir
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add_option('-d', '--dryrun', "") do |value, options|
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options[:dryrun] = true
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end
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end
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def arguments # :nodoc:
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"GEMNAME name of gem to cleanup"
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end
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def defaults_str # :nodoc:
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"--no-dryrun"
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end
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def description # :nodoc:
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<<-EOF
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The cleanup command removes old gems from GEM_HOME. If an older version is
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installed elsewhere in GEM_PATH the cleanup command won't touch it.
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EOF
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end
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def usage # :nodoc:
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"#{program_name} [GEMNAME ...]"
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end
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def execute
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say "Cleaning up installed gems..."
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primary_gems = {}
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Gem::Specification.each do |spec|
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if primary_gems[spec.name].nil? or
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primary_gems[spec.name].version < spec.version then
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primary_gems[spec.name] = spec
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end
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end
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gems_to_cleanup = unless options[:args].empty? then
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options[:args].map do |gem_name|
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Gem::Specification.find_all_by_name gem_name
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end.flatten
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else
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Gem::Specification.to_a
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end
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gems_to_cleanup = gems_to_cleanup.select { |spec|
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primary_gems[spec.name].version != spec.version
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}
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deplist = Gem::DependencyList.new
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gems_to_cleanup.uniq.each do |spec| deplist.add spec end
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deps = deplist.strongly_connected_components.flatten.reverse
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original_path = Gem.path
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deps.each do |spec|
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if options[:dryrun] then
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say "Dry Run Mode: Would uninstall #{spec.full_name}"
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else
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say "Attempting to uninstall #{spec.full_name}"
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options[:args] = [spec.name]
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uninstall_options = {
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:executables => false,
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:version => "= #{spec.version}",
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}
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uninstall_options[:user_install] = Gem.user_dir == spec.base_dir
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uninstaller = Gem::Uninstaller.new spec.name, uninstall_options
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begin
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uninstaller.uninstall
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rescue Gem::DependencyRemovalException, Gem::InstallError,
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Gem::GemNotInHomeException, Gem::FilePermissionError => e
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say "Unable to uninstall #{spec.full_name}:"
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say "\t#{e.class}: #{e.message}"
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end
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end
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# Restore path Gem::Uninstaller may have change
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Gem.use_paths(*original_path)
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end
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say "Clean Up Complete"
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end
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end
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