1 files changed, 65 insertions, 0 deletions
diff --git a/ruby_1_9_3/lib/rubygems/commands/check_command.rb b/ruby_1_9_3/lib/rubygems/commands/check_command.rb
new file mode 100644
index 0000000000..5a1bfd4f12
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/check_command.rb
@@ -0,0 +1,65 @@
+require 'rubygems/command'
+require 'rubygems/version_option'
+require 'rubygems/validator'
+
+class Gem::Commands::CheckCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    super 'check', 'Check installed gems',
+          :verify => false, :alien => false
+
+    add_option(      '--verify FILE',
+               'Verify gem file against its internal',
+               'checksum') do |value, options|
+      options[:verify] = value
+    end
+
+    add_option('-a', '--alien', "Report 'unmanaged' or rogue files in the",
+               "gem repository") do |value, options|
+      options[:alien] = true
+    end
+
+    add_version_option 'check'
+  end
+
+  def execute
+    if options[:alien]
+      say "Performing the 'alien' operation"
+      say
+      gems = get_all_gem_names rescue []
+      Gem::Validator.new.alien(gems).sort.each do |key, val|
+        unless val.empty? then
+          say "#{key} has #{val.size} problems"
+          val.each do |error_entry|
+            say "  #{error_entry.path}:"
+            say "    #{error_entry.problem}"
+          end
+        else
+          say "#{key} is error-free" if Gem.configuration.verbose
+        end
+        say
+      end
+    end
+
+    if options[:verify]
+      gem_name = options[:verify]
+      unless gem_name
+        alert_error "Must specify a .gem file with --verify NAME"
+        return
+      end
+      unless File.exist?(gem_name)
+        alert_error "Unknown file: #{gem_name}."
+        return
+      end
+      say "Verifying gem: '#{gem_name}'"
+      begin
+        Gem::Validator.new.verify_gem_file(gem_name)
+      rescue Exception
+        alert_error "#{gem_name} is invalid."
+      end
+    end
+  end
+
+end