diff options
Diffstat (limited to 'lib/rubygems/specification.rb')
-rw-r--r-- | lib/rubygems/specification.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb index f4e609a5eb..d760ab4a83 100644 --- a/lib/rubygems/specification.rb +++ b/lib/rubygems/specification.rb @@ -2359,7 +2359,8 @@ class Gem::Specification < Gem::BasicSpecification end def to_yaml(opts = {}) # :nodoc: - if YAML.const_defined?(:ENGINE) && !YAML::ENGINE.syck? then + if (YAML.const_defined?(:ENGINE) && !YAML::ENGINE.syck?) || + (defined?(Psych) && YAML == Psych) then # Because the user can switch the YAML engine behind our # back, we have to check again here to make sure that our # psych code was properly loaded, and load it if not. |