shoes/ruby/lib/rubygems/uninstaller.rb in shoesgem-0.1424.0 vs shoes/ruby/lib/rubygems/uninstaller.rb in shoesgem-0.1426.0
- old
+ new
@@ -1,242 +1,242 @@
-#--
-# 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
-
- ##
- # The directory a gem's executables will be installed into
-
- attr_reader :bin_dir
-
- ##
- # The gem repository the gem will be installed into
-
- attr_reader :gem_home
-
- ##
- # The Gem::Specification for the gem being uninstalled, only set during
- # #uninstall_gem
-
- attr_reader :spec
-
- ##
- # Constructs an uninstaller that will uninstall +gem+
-
- 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]
-
- spec_dir = File.join @gem_home, 'specifications'
- @source_index = Gem::SourceIndex.from_gems_in spec_dir
- end
-
- ##
- # Performs the uninstall of the gem. This removes the spec, the Gem
- # directory, and the cached .gem file.
-
- def uninstall
- list = @source_index.find_name @gem, @version
-
- if list.empty? then
- raise Gem::InstallError, "Unknown gem #{@gem} #{@version}"
-
- elsif list.size > 1 and @force_all then
- remove_all list.dup
-
- elsif list.size > 1 then
- gem_names = list.collect {|gem| gem.full_name} + ["All versions"]
-
- say
- gem_name, index = choose_from_list "Select gem to uninstall:", gem_names
-
- if index == list.size then
- remove_all list.dup
- elsif index >= 0 && index < list.size then
- uninstall_gem list[index], list.dup
- else
- say "Error: must enter a number [1-#{list.size+1}]"
- end
- else
- uninstall_gem list.first, list.dup
- end
- end
-
- ##
- # Uninstalls gem +spec+
-
- def uninstall_gem(spec, specs)
- @spec = spec
-
- Gem.pre_uninstall_hooks.each do |hook|
- hook.call self
- end
-
- specs.each { |s| remove_executables s }
- remove spec, specs
-
- Gem.post_uninstall_hooks.each do |hook|
- hook.call self
- end
-
- @spec = nil
- 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 = @source_index.find_name(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| uninstall_gem 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
-
- 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
-
+#--
+# 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
+
+ ##
+ # The directory a gem's executables will be installed into
+
+ attr_reader :bin_dir
+
+ ##
+ # The gem repository the gem will be installed into
+
+ attr_reader :gem_home
+
+ ##
+ # The Gem::Specification for the gem being uninstalled, only set during
+ # #uninstall_gem
+
+ attr_reader :spec
+
+ ##
+ # Constructs an uninstaller that will uninstall +gem+
+
+ 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]
+
+ spec_dir = File.join @gem_home, 'specifications'
+ @source_index = Gem::SourceIndex.from_gems_in spec_dir
+ end
+
+ ##
+ # Performs the uninstall of the gem. This removes the spec, the Gem
+ # directory, and the cached .gem file.
+
+ def uninstall
+ list = @source_index.find_name @gem, @version
+
+ if list.empty? then
+ raise Gem::InstallError, "Unknown gem #{@gem} #{@version}"
+
+ elsif list.size > 1 and @force_all then
+ remove_all list.dup
+
+ elsif list.size > 1 then
+ gem_names = list.collect {|gem| gem.full_name} + ["All versions"]
+
+ say
+ gem_name, index = choose_from_list "Select gem to uninstall:", gem_names
+
+ if index == list.size then
+ remove_all list.dup
+ elsif index >= 0 && index < list.size then
+ uninstall_gem list[index], list.dup
+ else
+ say "Error: must enter a number [1-#{list.size+1}]"
+ end
+ else
+ uninstall_gem list.first, list.dup
+ end
+ end
+
+ ##
+ # Uninstalls gem +spec+
+
+ def uninstall_gem(spec, specs)
+ @spec = spec
+
+ Gem.pre_uninstall_hooks.each do |hook|
+ hook.call self
+ end
+
+ specs.each { |s| remove_executables s }
+ remove spec, specs
+
+ Gem.post_uninstall_hooks.each do |hook|
+ hook.call self
+ end
+
+ @spec = nil
+ 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 = @source_index.find_name(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| uninstall_gem 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
+
+ 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
+