Drop support for ruby 1.9 and rails <4.1

lib/polyamorous.rb

@@ -25,32 +25,15 @@ module Polyamorous
   require 'polyamorous/join'
   require 'polyamorous/swapping_reflection_class'
 
-  ar_version = ::ActiveRecord::VERSION::STRING[0,3]
-  ar_version = '3_and_4.0' if ar_version < '4.1'
-
-  method, ruby_version =
-    if RUBY_VERSION >= '2.0' && ar_version >= '4.1'
-      # Ruby 2; we can use `prepend` to patch Active Record cleanly.
-      [:prepend, '2']
-    else
-      # Ruby 1.9; we must use `alias_method` to patch Active Record.
-      [:include, '1.9']
-    end
-
-  %w(join_association join_dependency).each do |file|
-    require "polyamorous/activerecord_#{ar_version}_ruby_#{ruby_version}/#{file}"
+  %w[join_association join_dependency].each do |file|
+    require "polyamorous/activerecord_#{::ActiveRecord::VERSION::STRING[0, 3]}_ruby_2/#{file}"
   end
 
-  Polyamorous::JoinDependency.send(method, Polyamorous::JoinDependencyExtensions)
-  if method == :prepend
-    Polyamorous::JoinDependency.singleton_class
-    .send(:prepend, Polyamorous::JoinDependencyExtensions::ClassMethods)
-  end
-  Polyamorous::JoinAssociation.send(method, Polyamorous::JoinAssociationExtensions)
+  Polyamorous::JoinDependency.prepend(Polyamorous::JoinDependencyExtensions)
+  Polyamorous::JoinDependency.singleton_class.prepend(Polyamorous::JoinDependencyExtensions::ClassMethods)
+  Polyamorous::JoinAssociation.prepend(Polyamorous::JoinAssociationExtensions)
 
   Polyamorous::JoinBase.class_eval do
-    if method_defined?(:active_record)
-      alias_method :base_klass, :active_record
-    end
+    alias_method :base_klass, :active_record if method_defined?(:active_record)
   end
 end

polyamorous.gemspec

@@ -20,18 +20,12 @@ Gem::Specification.new do |s|
 
   s.rubyforge_project = "polyamorous"
 
-  s.add_dependency 'activerecord', '>= 3.0'
+  s.add_dependency 'activerecord', '>= 4.2'
   s.add_development_dependency 'rspec', '~> 3'
   s.add_development_dependency 'machinist', '~> 1.0.6'
   s.add_development_dependency 'faker', '~> 1.6.5'
   s.add_development_dependency 'sqlite3', '~> 1.3.3'
 
-  s.files         = `git ls-files`.split("\n")
-  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
-  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }  
   s.require_paths = ["lib"]
-
-  # specify any dependencies here; for example:
-  # s.add_development_dependency "rspec"
-  # s.add_runtime_dependency "rest-client"
 end