From 9694bb8cac12969300692dac5a1cf7aa4e3a46cd Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 29 Nov 2012 06:52:18 +0000
Subject: * lib/rubygems*:  Updated to RubyGems 2.0 * test/rubygems*:  ditto.

* common.mk (prelude):  Updated for RubyGems 2.0 source rearrangement.

* tool/change_maker.rb:  Allow invalid UTF-8 characters in source
  files.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37976 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/commands/uninstall_command.rb | 31 +++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

(limited to 'lib/rubygems/commands/uninstall_command.rb')

diff --git a/lib/rubygems/commands/uninstall_command.rb b/lib/rubygems/commands/uninstall_command.rb
index aaadb762b5..736574ddff 100644
--- a/lib/rubygems/commands/uninstall_command.rb
+++ b/lib/rubygems/commands/uninstall_command.rb
@@ -13,7 +13,8 @@ class Gem::Commands::UninstallCommand < Gem::Command
 
   def initialize
     super 'uninstall', 'Uninstall gems from the local repository',
-          :version => Gem::Requirement.default, :user_install => true
+          :version => Gem::Requirement.default, :user_install => true,
+          :check_dev => false
 
     add_option('-a', '--[no-]all',
       'Uninstall all matching versions'
@@ -27,6 +28,12 @@ class Gem::Commands::UninstallCommand < Gem::Command
       options[:ignore] = value
     end
 
+    add_option('-D', '--[no-]-check-development',
+               'Check development dependencies while uninstalling',
+               '(default: false)') do |value, options|
+      options[:check_dev] = value
+    end
+
     add_option('-x', '--[no-]executables',
                  'Uninstall applicable executables without',
                  'confirmation') do |value, options|
@@ -54,6 +61,12 @@ class Gem::Commands::UninstallCommand < Gem::Command
       options[:format_executable] = value
     end
 
+    add_option('--[no-]force',
+               'Uninstall all versions of the named gems',
+               'ignoring dependencies') do |value, options|
+      options[:force] = value
+    end
+
     add_version_option
     add_platform_option
   end
@@ -73,19 +86,23 @@ class Gem::Commands::UninstallCommand < Gem::Command
   end
 
   def execute
-    original_path = Gem.path
+    # REFACTOR: stolen from cleanup_command
+    deplist = Gem::DependencyList.new
+    get_all_gem_names.uniq.each do |name|
+      Gem::Specification.find_all_by_name(name).each do |spec|
+        deplist.add spec
+      end
+    end
+
+    deps = deplist.strongly_connected_components.flatten.reverse
 
-    get_all_gem_names.each do |gem_name|
+    deps.map(&:name).uniq.each do |gem_name|
       begin
         Gem::Uninstaller.new(gem_name, options).uninstall
-      rescue Gem::InstallError => e
-        alert e.message
       rescue Gem::GemNotInHomeException => e
         spec = e.spec
         alert("In order to remove #{spec.name}, please execute:\n" \
               "\tgem uninstall #{spec.name} --install-dir=#{spec.installation_path}")
-      ensure
-        Gem.use_paths(*original_path)
       end
     end
   end
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