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Diffstat (limited to 'trunk/lib/rubygems/uninstaller.rb')
| -rw-r--r-- | trunk/lib/rubygems/uninstaller.rb | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/trunk/lib/rubygems/uninstaller.rb b/trunk/lib/rubygems/uninstaller.rb deleted file mode 100644 index 2ad961972b..0000000000 --- a/trunk/lib/rubygems/uninstaller.rb +++ /dev/null @@ -1,208 +0,0 @@ -#-- -# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. -# All rights reserved. -# See LICENSE.txt for permissions. -#++ - -require 'fileutils' -require 'rubygems' -require 'rubygems/dependency_list' -require 'rubygems/doc_manager' -require 'rubygems/user_interaction' - -## -# An Uninstaller. - -class Gem::Uninstaller - - include Gem::UserInteraction - - ## - # Constructs an Uninstaller instance - # - # gem:: [String] The Gem name to uninstall - - def initialize(gem, options = {}) - @gem = gem - @version = options[:version] || Gem::Requirement.default - gem_home = options[:install_dir] || Gem.dir - @gem_home = File.expand_path gem_home - @force_executables = options[:executables] - @force_all = options[:all] - @force_ignore = options[:ignore] - @bin_dir = options[:bin_dir] - end - - ## - # Performs the uninstall of the Gem. This removes the spec, the - # Gem directory, and the cached .gem file, - - def uninstall - list = Gem.source_index.search(/^#{@gem}$/, @version) - - if list.empty? then - raise Gem::InstallError, "Unknown gem #{@gem} #{@version}" - elsif list.size > 1 && @force_all - remove_all(list.dup) - remove_executables(list.last) - elsif list.size > 1 - say - gem_names = list.collect {|gem| gem.full_name} + ["All versions"] - gem_name, index = - choose_from_list("Select gem to uninstall:", gem_names) - if index == list.size - remove_all(list.dup) - remove_executables(list.last) - elsif index >= 0 && index < list.size - to_remove = list[index] - remove(to_remove, list) - remove_executables(to_remove) - else - say "Error: must enter a number [1-#{list.size+1}]" - end - else - remove(list[0], list.dup) - remove_executables(list.last) - end - end - - ## - # Removes installed executables and batch files (windows only) for - # +gemspec+. - - def remove_executables(gemspec) - return if gemspec.nil? - - if gemspec.executables.size > 0 then - bindir = @bin_dir ? @bin_dir : (Gem.bindir @gem_home) - - list = Gem.source_index.search(gemspec.name).delete_if { |spec| - spec.version == gemspec.version - } - - executables = gemspec.executables.clone - - list.each do |spec| - spec.executables.each do |exe_name| - executables.delete(exe_name) - end - end - - return if executables.size == 0 - - answer = if @force_executables.nil? then - ask_yes_no("Remove executables:\n" \ - "\t#{gemspec.executables.join(", ")}\n\nin addition to the gem?", - true) # " # appease ruby-mode - don't ask - else - @force_executables - end - - unless answer then - say "Executables and scripts will remain installed." - else - raise Gem::FilePermissionError, bindir unless File.writable? bindir - - gemspec.executables.each do |exe_name| - say "Removing #{exe_name}" - FileUtils.rm_f File.join(bindir, exe_name) - FileUtils.rm_f File.join(bindir, "#{exe_name}.bat") - end - end - end - end - - ## - # Removes all gems in +list+. - # - # NOTE: removes uninstalled gems from +list+. - - def remove_all(list) - list.dup.each { |spec| remove spec, list } - end - - ## - # spec:: the spec of the gem to be uninstalled - # list:: the list of all such gems - # - # Warning: this method modifies the +list+ parameter. Once it has - # uninstalled a gem, it is removed from that list. - - def remove(spec, list) - unless dependencies_ok? spec then - raise Gem::DependencyRemovalException, - "Uninstallation aborted due to dependent gem(s)" - end - - unless path_ok? spec then - e = Gem::GemNotInHomeException.new \ - "Gem is not installed in directory #{@gem_home}" - e.spec = spec - - raise e - end - - raise Gem::FilePermissionError, spec.installation_path unless - File.writable?(spec.installation_path) - - FileUtils.rm_rf spec.full_gem_path - - original_platform_name = [ - spec.name, spec.version, spec.original_platform].join '-' - - spec_dir = File.join spec.installation_path, 'specifications' - gemspec = File.join spec_dir, "#{spec.full_name}.gemspec" - - unless File.exist? gemspec then - gemspec = File.join spec_dir, "#{original_platform_name}.gemspec" - end - - FileUtils.rm_rf gemspec - - cache_dir = File.join spec.installation_path, 'cache' - gem = File.join cache_dir, "#{spec.full_name}.gem" - - unless File.exist? gem then - gem = File.join cache_dir, "#{original_platform_name}.gem" - end - - FileUtils.rm_rf gem - - Gem::DocManager.new(spec).uninstall_doc - - say "Successfully uninstalled #{spec.full_name}" - - list.delete spec - end - - def path_ok?(spec) - full_path = File.join @gem_home, 'gems', spec.full_name - original_path = File.join @gem_home, 'gems', spec.original_name - - full_path == spec.full_gem_path || original_path == spec.full_gem_path - end - - def dependencies_ok?(spec) - return true if @force_ignore - - source_index = Gem::SourceIndex.from_installed_gems - deplist = Gem::DependencyList.from_source_index source_index - deplist.ok_to_remove?(spec.full_name) || ask_if_ok(spec) - end - - def ask_if_ok(spec) - msg = [''] - msg << 'You have requested to uninstall the gem:' - msg << "\t#{spec.full_name}" - spec.dependent_gems.each do |gem,dep,satlist| - msg << - ("#{gem.name}-#{gem.version} depends on " + - "[#{dep.name} (#{dep.version_requirements})]") - end - msg << 'If you remove this gems, one or more dependencies will not be met.' - msg << 'Continue with Uninstall?' - return ask_yes_no(msg.join("\n"), true) - end - -end - |