diff options
Diffstat (limited to 'lib/rubygems/package.rb')
| -rw-r--r-- | lib/rubygems/package.rb | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/rubygems/package.rb b/lib/rubygems/package.rb index 301eef48cc..7e2458c3b6 100644 --- a/lib/rubygems/package.rb +++ b/lib/rubygems/package.rb @@ -387,8 +387,9 @@ EOM @spec = Gem::Specification.from_yaml entry.read when 'metadata.gz' then args = [entry] - args << { :external_encoding => Encoding::UTF_8 } unless - Zlib::GzipReader.method(:wrap).arity == 1 + args << { :external_encoding => Encoding::UTF_8 } if + Object.const_defined?(:Encoding) && + Zlib::GzipReader.method(:wrap).arity != 1 Zlib::GzipReader.wrap(*args) do |gzio| @spec = Gem::Specification.from_yaml gzio.read |