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133 lines
3.2 KiB
Ruby
133 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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require 'rubygems'
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require 'rubygems/user_interaction'
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##
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# Cleans up after a partially-failed uninstall or for an invalid
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# Gem::Specification.
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#
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# If a specification was removed by hand this will remove any remaining files.
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#
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# If a corrupt specification was installed this will clean up warnings by
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# removing the bogus specification.
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class Gem::Doctor
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include Gem::UserInteraction
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##
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# Maps a gem subdirectory to the files that are expected to exist in the
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# subdirectory.
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REPOSITORY_EXTENSION_MAP = [ # :nodoc:
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['specifications', '.gemspec'],
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['build_info', '.info'],
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['cache', '.gem'],
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['doc', ''],
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['extensions', ''],
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['gems', ''],
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['plugins', ''],
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].freeze
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missing =
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Gem::REPOSITORY_SUBDIRECTORIES.sort -
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REPOSITORY_EXTENSION_MAP.map { |(k,_)| k }.sort
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raise "Update REPOSITORY_EXTENSION_MAP, missing: #{missing.join ', '}" unless
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missing.empty?
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##
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# Creates a new Gem::Doctor that will clean up +gem_repository+. Only one
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# gem repository may be cleaned at a time.
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#
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# If +dry_run+ is true no files or directories will be removed.
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def initialize(gem_repository, dry_run = false)
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@gem_repository = gem_repository
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@dry_run = dry_run
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@installed_specs = nil
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end
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##
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# Specs installed in this gem repository
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def installed_specs # :nodoc:
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@installed_specs ||= Gem::Specification.map { |s| s.full_name }
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end
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##
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# Are we doctoring a gem repository?
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def gem_repository?
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not installed_specs.empty?
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end
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##
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# Cleans up uninstalled files and invalid gem specifications
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def doctor
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@orig_home = Gem.dir
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@orig_path = Gem.path
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say "Checking #{@gem_repository}"
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Gem.use_paths @gem_repository.to_s
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unless gem_repository?
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say 'This directory does not appear to be a RubyGems repository, ' +
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'skipping'
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say
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return
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end
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doctor_children
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say
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ensure
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Gem.use_paths @orig_home, *@orig_path
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end
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##
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# Cleans up children of this gem repository
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def doctor_children # :nodoc:
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REPOSITORY_EXTENSION_MAP.each do |sub_directory, extension|
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doctor_child sub_directory, extension
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end
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end
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##
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# Removes files in +sub_directory+ with +extension+
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def doctor_child(sub_directory, extension) # :nodoc:
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directory = File.join(@gem_repository, sub_directory)
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Dir.entries(directory).sort.each do |ent|
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next if ent == "." || ent == ".."
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child = File.join(directory, ent)
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next unless File.exist?(child)
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basename = File.basename(child, extension)
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next if installed_specs.include? basename
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next if /^rubygems-\d/ =~ basename
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next if 'specifications' == sub_directory and 'default' == basename
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next if 'plugins' == sub_directory and Gem.plugin_suffix_regexp =~ basename
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type = File.directory?(child) ? 'directory' : 'file'
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action = if @dry_run
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'Extra'
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else
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FileUtils.rm_r(child)
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'Removed'
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end
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say "#{action} #{type} #{sub_directory}/#{File.basename(child)}"
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end
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rescue Errno::ENOENT
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# ignore
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end
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end
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