Add rails edge to appraisal config

Author: jmbejar

.travis.yml

@@ -16,13 +16,25 @@ gemfile:
   - gemfiles/rails_4_0.gemfile
   - gemfiles/rails_4_1.gemfile
   - gemfiles/rails_4_2.gemfile
+  - gemfiles/rails_edge.gemfile
 
 matrix:
   allow_failures:
     - rvm: jruby-19mode
     - rvm: rbx
     - rvm: ruby-head
   fast_finish: true
+  exclude:
+    - rvm: 1.9
+      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: 2.0
+      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: 2.1
+      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: jruby-19mode
+      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: rbx
+      gemfile: gemfiles/rails_edge.gemfile
 
 notifications:
   email: false

Appraisals

@@ -30,3 +30,8 @@ appraise "rails-4-2" do
   gem "railties",   "~> 4.2.0"
   gem "actionpack", "~> 4.2.0"
 end
+
+appraise "rails-edge" do
+  gem "rails", github: "rails/rails"
+  gem "arel", github: "rails/arel"
+end

gemfiles/rails_edge.gemfile

@@ -0,0 +1,11 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rake"
+gem "mocha", :require => false
+gem "appraisal"
+gem "rails", :github => "rails/rails"
+gem "arel", :github => "rails/arel"
+
+gemspec :path => "../"