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-rw-r--r--lib/rubygems/install_update_options.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/rubygems/install_update_options.rb b/lib/rubygems/install_update_options.rb
index ffa8f910df..d3f55cd5ea 100644
--- a/lib/rubygems/install_update_options.rb
+++ b/lib/rubygems/install_update_options.rb
@@ -26,6 +26,9 @@ module Gem::InstallUpdateOptions
OptionParser.accept Gem::Security::Policy do |value|
require 'rubygems/security'
+ raise OptionParser::InvalidArgument, 'OpenSSL not installed' unless
+ defined?(Gem::Security::HighSecurity)
+
value = Gem::Security::Policies[value]
valid = Gem::Security::Policies.keys.sort
message = "#{value} (#{valid.join ', '} are valid)"