diff options
Diffstat (limited to 'lib/rubygems/uninstaller.rb')
| -rw-r--r-- | lib/rubygems/uninstaller.rb | 82 |
1 files changed, 62 insertions, 20 deletions
diff --git a/lib/rubygems/uninstaller.rb b/lib/rubygems/uninstaller.rb index cc32ea48c4..b1500b0748 100644 --- a/lib/rubygems/uninstaller.rb +++ b/lib/rubygems/uninstaller.rb @@ -7,7 +7,7 @@ require 'fileutils' require 'rubygems' require 'rubygems/dependency_list' -require 'rubygems/doc_manager' +require 'rubygems/rdoc' require 'rubygems/user_interaction' ## @@ -42,6 +42,7 @@ class Gem::Uninstaller # Constructs an uninstaller that will uninstall +gem+ def initialize(gem, options = {}) + # TODO document the valid options @gem = gem @version = options[:version] || Gem::Requirement.default @gem_home = File.expand_path(options[:install_dir] || Gem.dir) @@ -51,15 +52,19 @@ class Gem::Uninstaller @bin_dir = options[:bin_dir] @format_executable = options[:format_executable] + # Indicate if development dependencies should be checked when + # uninstalling. (default: false) + # + @check_dev = options[:check_dev] + + if options[:force] + @force_all = true + @force_ignore = true + end + # only add user directory if install_dir is not set @user_install = false @user_install = options[:user_install] unless options[:install_dir] - - if @user_install then - Gem.use_paths Gem.user_dir, @gem_home - else - Gem.use_paths @gem_home - end end ## @@ -69,10 +74,36 @@ class Gem::Uninstaller def uninstall list = Gem::Specification.find_all_by_name(@gem, @version) + default_specs, list = list.partition do |spec| + spec.default_gem? + end + + list, other_repo_specs = list.partition do |spec| + @gem_home == spec.base_dir or + (@user_install and spec.base_dir == Gem.user_dir) + end + if list.empty? then - raise Gem::InstallError, "gem #{@gem.inspect} is not installed" + if other_repo_specs.empty? + if default_specs.empty? + raise Gem::InstallError, "gem #{@gem.inspect} is not installed" + else + message = + "gem #{@gem.inspect} cannot be uninstalled " + + "because it is a default gem" + raise Gem::InstallError, message + end + end + + other_repos = other_repo_specs.map { |spec| spec.base_dir }.uniq - elsif list.size > 1 and @force_all then + message = ["#{@gem} is not installed in GEM_HOME, try:"] + message.concat other_repos.map { |repo| + "\tgem uninstall -i #{repo} #{@gem}" + } + + raise Gem::InstallError, message.join("\n") + elsif @force_all then remove_all list elsif list.size > 1 then @@ -127,12 +158,15 @@ class Gem::Uninstaller def remove_executables(spec) return if spec.nil? or spec.executables.empty? + executables = spec.executables.clone + + # Leave any executables created by other installed versions + # of this gem installed. + list = Gem::Specification.find_all { |s| s.name == spec.name && s.version != spec.version } - executables = spec.executables.clone - list.each do |s| s.executables.each do |exe_name| executables.delete exe_name @@ -152,9 +186,7 @@ class Gem::Uninstaller @force_executables end - unless remove then - say "Executables and scripts will remain installed." - else + if remove then bin_dir = @bin_dir || Gem.bindir(spec.base_dir) raise Gem::FilePermissionError, bin_dir unless File.writable? bin_dir @@ -167,6 +199,8 @@ class Gem::Uninstaller FileUtils.rm_f exe_file FileUtils.rm_f "#{exe_file}.bat" end + else + say "Executables and scripts will remain installed." end end @@ -220,7 +254,7 @@ class Gem::Uninstaller FileUtils.rm_rf gem - Gem::DocManager.new(spec).uninstall_doc + Gem::RDoc.new(spec).remove say "Successfully uninstalled #{spec.full_name}" @@ -241,26 +275,34 @@ class Gem::Uninstaller return true if @force_ignore deplist = Gem::DependencyList.from_specs - deplist.ok_to_remove?(spec.full_name) + deplist.ok_to_remove?(spec.full_name, @check_dev) end def ask_if_ok(spec) msg = [''] msg << 'You have requested to uninstall the gem:' msg << "\t#{spec.full_name}" + msg << '' + + siblings = Gem::Specification.select do |s| + s.name == spec.name && s.full_name != spec.full_name + end spec.dependent_gems.each do |dep_spec, dep, satlist| - msg << - ("#{dep_spec.name}-#{dep_spec.version} depends on " + - "[#{dep.name} (#{dep.requirement})]") + unless siblings.any? { |s| s.satisfies_requirement? dep } + msg << "#{dep_spec.name}-#{dep_spec.version} depends on #{dep}" + end end - msg << 'If you remove this gems, one or more dependencies will not be met.' + msg << 'If you remove this gem, these dependencies will not be met.' msg << 'Continue with Uninstall?' return ask_yes_no(msg.join("\n"), true) end def formatted_program_filename(filename) + # TODO perhaps the installer should leave a small manifest + # of what it did for us to find rather than trying to recreate + # it again. if @format_executable then require 'rubygems/installer' Gem::Installer.exec_format % File.basename(filename) |