Drop support for rubygems 1.xdrop-rubygems-1.x

Ruby 2.0 is the oldest release we support, and it ships with Rubygems
2.0: https://github.com/ruby/ruby/blob/v2_0_0_0/lib/rubygems.rb#L11

2 files changed, 1 insertions, 40 deletions

diff --git a/lib/chef/provider/package/rubygems.rb b/lib/chef/provider/package/rubygems.rb
index c53aa8934a..d120a64f0d 100644
--- a/lib/chef/provider/package/rubygems.rb
+++ b/lib/chef/provider/package/rubygems.rb
@@ -32,14 +32,7 @@ require 'rubygems/version'
 require 'rubygems/dependency'
 require 'rubygems/spec_fetcher'
 require 'rubygems/platform'
-
-# Compatibility note: Rubygems 2.0 removes rubygems/format in favor of
-# rubygems/package.
-begin
-  require 'rubygems/format'
-rescue LoadError
-  require 'rubygems/package'
-end
+require 'rubygems/package'
 require 'rubygems/dependency_installer'
 require 'rubygems/uninstaller'
 require 'rubygems/specification'
diff --git a/spec/unit/provider/package/rubygems_spec.rb b/spec/unit/provider/package/rubygems_spec.rb
index 3ccc69652f..d3cee82623 100644
--- a/spec/unit/provider/package/rubygems_spec.rb
+++ b/spec/unit/provider/package/rubygems_spec.rb
@@ -107,38 +107,6 @@ describe Chef::Provider::Package::Rubygems::CurrentGemEnvironment do
     expect(@gem_env.candidate_version_from_remote(Gem::Dependency.new('rspec', '>= 0'))).to eq(Gem::Version.new('1.3.0'))
   end
 
-  context "when rubygems was upgraded from 1.8->2.0" do
-    # https://github.com/rubygems/rubygems/issues/404
-    # tl;dr rubygems 1.8 and 2.0 can both be in the load path, which means that
-    # require "rubygems/format" will load even though rubygems 2.0 doesn't have
-    # that file.
-
-    before do
-      if defined?(Gem::Format)
-        # tests are running under rubygems 1.8, or 2.0 upgraded from 1.8
-        @remove_gem_format = false
-      else
-        Gem.const_set(:Format, Object.new)
-        @remove_gem_format = true
-      end
-      allow(Gem::Package).to receive(:respond_to?).and_call_original
-      allow(Gem::Package).to receive(:respond_to?).with(:open).and_return(false)
-    end
-
-    after do
-      if @remove_gem_format
-        Gem.send(:remove_const, :Format)
-      end
-    end
-
-    it "finds a matching gem candidate version on rubygems 2.0+ with some rubygems 1.8 code loaded" do
-      package = double("Gem::Package", :spec => "a gemspec from package")
-      expect(Gem::Package).to receive(:new).with("/path/to/package.gem").and_return(package)
-      expect(@gem_env.spec_from_file("/path/to/package.gem")).to eq("a gemspec from package")
-    end
-
-  end
-
   it "gives the candidate version as nil if none is found" do
     dep = Gem::Dependency.new('rspec', '>= 0')
     latest = []