Use the previous aruba for older Rails

https://github.com/rspec/rspec-rails/pull/2140/files#diff-73c25cf975ccb4c89d8659202506c353L58
bumped aruba from 0.5.4 straight to 0.14.12. Using the version that used
to work for older rails.

Author: pirj

features/support/env.rb

@@ -2,13 +2,27 @@
 require 'fileutils'
 
 module ArubaExt
-  def run_command(cmd, timeout = nil)
-    exec_cmd = cmd =~ /^rspec/ ? "bin/#{cmd}" : cmd
-    unset_bundler_env_vars
-    # Ensure the correct Gemfile and binstubs are found
-    in_current_directory do
-      with_unbundled_env do
-        super(exec_cmd, timeout)
+  if defined?(Aruba::VERSION) && Aruba::VERSION >= '0.14.12'
+    def run_command(cmd, timeout = nil)
+      exec_cmd = cmd =~ /^rspec/ ? "bin/#{cmd}" : cmd
+      unset_bundler_env_vars
+      # Ensure the correct Gemfile and binstubs are found
+      in_current_directory do
+        with_unbundled_env do
+          super(exec_cmd, timeout)
+        end
+      end
+    end
+  else
+    def run(cmd, timeout = nil)
+      exec_cmd = cmd =~ /^rspec/ ? "bin/#{cmd}" : cmd
+      super(exec_cmd, timeout)
+    end
+    # This method overrides Aruba 0.5.4 implementation so that we can reset Bundler to use the sample app Gemfile
+    def in_current_dir(&block)
+      Bundler.with_clean_env do
+        _mkdir(current_dir)
+        Dir.chdir(current_dir, &block)
       end
     end
   end
@@ -41,12 +55,18 @@ def env_to_h
   end
 end
 
-World(ArubaExt)
-
-Aruba.configure do |config|
-  config.exit_timeout = 30
+if defined?(Aruba::VERSION) && Aruba::VERSION >= '0.14.12'
+  Aruba.configure do |config|
+    config.exit_timeout = 30
+  end
+else
+  Before do
+    @aruba_timeout_seconds = 30
+  end
 end
 
+World(ArubaExt)
+
 unless File.directory?('./tmp/example_app')
   system "rake generate:app generate:stuff"
 end

rspec-rails.gemspec

@@ -53,7 +53,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'cucumber', '~> 1.3.5'
   if ENV['RAILS_VERSION'].gsub(/[^\d\.-]/, '').tr('-', '.') < '4.0'
     # aruba > 0.9 depends on thor ~> 0.19, while railties < 4.0 depend on thor ~> 0.14.6
-    s.add_development_dependency 'aruba', '~> 0.8.1'
+    s.add_development_dependency 'aruba', '~> 0.5.4'
   else
     s.add_development_dependency 'aruba', '~> 0.14.12'
   end