153 lines
4.1 KiB
Ruby
153 lines
4.1 KiB
Ruby
require 'rubygems/command'
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require 'rubygems/version_option'
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require 'rubygems/uninstaller'
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require 'fileutils'
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##
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# Gem uninstaller command line tool
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#
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# See `gem help uninstall`
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class Gem::Commands::UninstallCommand < Gem::Command
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include Gem::VersionOption
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def initialize
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super 'uninstall', 'Uninstall gems from the local repository',
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:version => Gem::Requirement.default, :user_install => true,
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:check_dev => false
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add_option('-a', '--[no-]all',
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'Uninstall all matching versions'
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) do |value, options|
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options[:all] = value
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end
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add_option('-I', '--[no-]ignore-dependencies',
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'Ignore dependency requirements while',
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'uninstalling') do |value, options|
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options[:ignore] = value
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end
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add_option('-D', '--[no-]-check-development',
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'Check development dependencies while uninstalling',
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'(default: false)') do |value, options|
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options[:check_dev] = value
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end
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add_option('-x', '--[no-]executables',
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'Uninstall applicable executables without',
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'confirmation') do |value, options|
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options[:executables] = value
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end
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add_option('-i', '--install-dir DIR',
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'Directory to uninstall gem from') do |value, options|
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options[:install_dir] = File.expand_path(value)
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end
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add_option('-n', '--bindir DIR',
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'Directory to remove binaries from') do |value, options|
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options[:bin_dir] = File.expand_path(value)
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end
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add_option('--[no-]user-install',
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'Uninstall from user\'s home directory',
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'in addition to GEM_HOME.') do |value, options|
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options[:user_install] = value
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end
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add_option('--[no-]format-executable',
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'Assume executable names match Ruby\'s prefix and suffix.') do |value, options|
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options[:format_executable] = value
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end
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add_option('--[no-]force',
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'Uninstall all versions of the named gems',
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'ignoring dependencies') do |value, options|
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options[:force] = value
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end
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add_option('--[no-]abort-on-dependent',
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'Prevent uninstalling gems that are',
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'depended on by other gems.') do |value, options|
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options[:abort_on_dependent] = value
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end
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add_version_option
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add_platform_option
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end
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def arguments # :nodoc:
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"GEMNAME name of gem to uninstall"
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end
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def defaults_str # :nodoc:
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"--version '#{Gem::Requirement.default}' --no-force " +
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"--user-install"
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end
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def description # :nodoc:
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<<-EOF
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The uninstall command removes a previously installed gem.
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RubyGems will ask for confirmation if you are attempting to uninstall a gem
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that is a dependency of an existing gem. You can use the
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--ignore-dependencies option to skip this check.
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EOF
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end
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def usage # :nodoc:
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"#{program_name} GEMNAME [GEMNAME ...]"
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end
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def execute
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if options[:all] and not options[:args].empty? then
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uninstall_specific
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elsif options[:all] then
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uninstall_all
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else
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uninstall_specific
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end
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end
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def uninstall_all
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_, specs = Gem::Specification.partition { |spec| spec.default_gem? }
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specs.each do |spec|
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options[:version] = spec.version
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begin
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Gem::Uninstaller.new(spec.name, options).uninstall
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rescue Gem::InstallError
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end
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end
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alert "Uninstalled all gems in #{options[:install_dir]}"
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end
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def uninstall_specific
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deplist = Gem::DependencyList.new
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get_all_gem_names.uniq.each do |name|
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Gem::Specification.find_all_by_name(name).each do |spec|
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deplist.add spec
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end
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end
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deps = deplist.strongly_connected_components.flatten.reverse
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deps.map(&:name).uniq.each do |gem_name|
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begin
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Gem::Uninstaller.new(gem_name, options).uninstall
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rescue Gem::GemNotInHomeException => e
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spec = e.spec
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alert("In order to remove #{spec.name}, please execute:\n" +
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"\tgem uninstall #{spec.name} --install-dir=#{spec.installation_path}")
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end
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end
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end
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end
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