Bump Active Support dependency to version >= 2

.travis.yml

@@ -1,21 +1,32 @@
 language: ruby
 sudo: false
+cache: bundler
 
 addons:
   apt:
     sources:
       - libicu-dev
 
-script: "bundle exec rake"
+script: bundle exec rake
+
+gemfile:
+  - gemfiles/rails_5.gemfile
+  - gemfiles/rails_4.gemfile
+  - gemfiles/rails_3.gemfile
 
 rvm:
-  - 2.0
+  - 2.3.1
+  - 2.2.5
   - 2.1
-  - 2.2
-  - 2.3.0
+  - 2.0
   - ruby-head
 
 matrix:
   fast_finish: true
   allow_failures:
     - rvm: ruby-head
+  exclude:
+    - gemfile: gemfiles/rails_5.gemfile
+      rvm: 2.1
+    - gemfile: gemfiles/rails_5.gemfile
+      rvm: 2.0

Appraisals

@@ -0,0 +1,13 @@
+appraise "rails-3" do
+  gem "rack", "< 2"
+  gem "rails", "3.2.22.2"
+end
+
+appraise "rails-4" do
+  gem "rack", "< 2"
+  gem "rails", "~> 4.2.6"
+end
+
+appraise "rails-5" do
+  gem "rails", "~> 5.0.0"
+end

Gemfile

@@ -6,10 +6,11 @@ gemspec
 group :development do
   gem "bundler"
   gem "rake"
+  gem "appraisal"
 end
 
 group :test do
-  gem "minitest",           "~> 5.3"
+  gem "minitest"
   gem "rinku",              "~> 1.7",   :require => false
   gem "gemoji",             "~> 2.0",   :require => false
   gem "RedCloth",           "~> 4.2.9", :require => false

Rakefile

@@ -1,4 +1,7 @@
 #!/usr/bin/env rake
+require "rubygems"
+require "bundler/setup"
+
 require "bundler/gem_tasks"
 require 'rake/testtask'
 
@@ -8,4 +11,4 @@ Rake::TestTask.new do |t|
   t.verbose = true
 end
 
-task :default => :test
+task :default => :test

gemfiles/rails_3.gemfile

@@ -0,0 +1,26 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rack", "< 2"
+gem "rails", "3.2.22.2"
+
+group :development do
+  gem "bundler"
+  gem "rake"
+  gem "appraisal"
+end
+
+group :test do
+  gem "minitest"
+  gem "rinku", "~> 1.7", :require => false
+  gem "gemoji", "~> 2.0", :require => false
+  gem "RedCloth", "~> 4.2.9", :require => false
+  gem "github-markdown", "~> 0.5", :require => false
+  gem "email_reply_parser", "~> 0.5", :require => false
+  gem "sanitize", "~> 2.0", :require => false
+  gem "escape_utils", "~> 1.0", :require => false
+  gem "github-linguist", "~> 2.10", :require => false
+end
+
+gemspec :path => "../"

gemfiles/rails_3.gemfile.lock

@@ -0,0 +1,138 @@
+PATH
+  remote: ../
+  specs:
+    html-pipeline (2.4.1)
+      activesupport (>= 2)
+      nokogiri (>= 1.4)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    RedCloth (4.2.9)
+    actionmailer (3.2.22.2)
+      actionpack (= 3.2.22.2)
+      mail (~> 2.5.4)
+    actionpack (3.2.22.2)
+      activemodel (= 3.2.22.2)
+      activesupport (= 3.2.22.2)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      journey (~> 1.0.4)
+      rack (~> 1.4.5)
+      rack-cache (~> 1.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.2.1)
+    activemodel (3.2.22.2)
+      activesupport (= 3.2.22.2)
+      builder (~> 3.0.0)
+    activerecord (3.2.22.2)
+      activemodel (= 3.2.22.2)
+      activesupport (= 3.2.22.2)
+      arel (~> 3.0.2)
+      tzinfo (~> 0.3.29)
+    activeresource (3.2.22.2)
+      activemodel (= 3.2.22.2)
+      activesupport (= 3.2.22.2)
+    activesupport (3.2.22.2)
+      i18n (~> 0.6, >= 0.6.4)
+      multi_json (~> 1.0)
+    appraisal (2.1.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    arel (3.0.3)
+    builder (3.0.4)
+    charlock_holmes (0.7.3)
+    email_reply_parser (0.5.8)
+    erubis (2.7.0)
+    escape_utils (1.0.1)
+    gemoji (2.1.0)
+    github-linguist (2.12.0)
+      charlock_holmes (~> 0.7.3)
+      escape_utils (~> 1.0.1)
+      mime-types (~> 1.19)
+      pygments.rb (~> 0.6.0)
+    github-markdown (0.6.9)
+    hike (1.2.3)
+    i18n (0.7.0)
+    journey (1.0.4)
+    json (1.8.3)
+    mail (2.5.4)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.25.1)
+    mini_portile2 (2.1.0)
+    minitest (5.9.0)
+    multi_json (1.12.1)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    pkg-config (1.1.7)
+    polyglot (0.3.5)
+    posix-spawn (0.3.11)
+    pygments.rb (0.6.3)
+      posix-spawn (~> 0.3.6)
+      yajl-ruby (~> 1.2.0)
+    rack (1.4.7)
+    rack-cache (1.6.1)
+      rack (>= 0.4)
+    rack-ssl (1.3.4)
+      rack
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (3.2.22.2)
+      actionmailer (= 3.2.22.2)
+      actionpack (= 3.2.22.2)
+      activerecord (= 3.2.22.2)
+      activeresource (= 3.2.22.2)
+      activesupport (= 3.2.22.2)
+      bundler (~> 1.0)
+      railties (= 3.2.22.2)
+    railties (3.2.22.2)
+      actionpack (= 3.2.22.2)
+      activesupport (= 3.2.22.2)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (>= 0.14.6, < 2.0)
+    rake (11.2.2)
+    rdoc (3.12.2)
+      json (~> 1.4)
+    rinku (1.7.3)
+    sanitize (2.1.0)
+      nokogiri (>= 1.4.4)
+    sprockets (2.2.3)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    thor (0.19.1)
+    tilt (1.4.1)
+    treetop (1.4.15)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.50)
+    yajl-ruby (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  RedCloth (~> 4.2.9)
+  appraisal
+  bundler
+  email_reply_parser (~> 0.5)
+  escape_utils (~> 1.0)
+  gemoji (~> 2.0)
+  github-linguist (~> 2.10)
+  github-markdown (~> 0.5)
+  html-pipeline!
+  minitest
+  rack (< 2)
+  rails (= 3.2.22.2)
+  rake
+  rinku (~> 1.7)
+  sanitize (~> 2.0)
+
+BUNDLED WITH
+   1.12.5

gemfiles/rails_4.gemfile

@@ -0,0 +1,26 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rack", "< 2"
+gem "rails", "~> 4.2.6"
+
+group :development do
+  gem "bundler"
+  gem "rake"
+  gem "appraisal"
+end
+
+group :test do
+  gem "minitest"
+  gem "rinku", "~> 1.7", :require => false
+  gem "gemoji", "~> 2.0", :require => false
+  gem "RedCloth", "~> 4.2.9", :require => false
+  gem "github-markdown", "~> 0.5", :require => false
+  gem "email_reply_parser", "~> 0.5", :require => false
+  gem "sanitize", "~> 2.0", :require => false
+  gem "escape_utils", "~> 1.0", :require => false
+  gem "github-linguist", "~> 2.10", :require => false
+end
+
+gemspec :path => "../"