* Support AR 5.1, drop support for AR 4.0 & ruby 2.1.x

.travis.yml

@@ -5,21 +5,17 @@ language: ruby
 cache:
 - bundler
 rvm:
-  - 2.1.10
   - 2.2.6
   - 2.3.3
+  - 2.4.1
   - ruby-head
 gemfile:
-  - gemfiles/rails_4_0.gemfile
   - gemfiles/rails_4_1.gemfile
   - gemfiles/rails_4_2.gemfile
+  - gemfiles/rails_5_0.gemfile
+  - gemfiles/rails_5_1.gemfile
 matrix:
   fast_finish: true
   allow_failures:
     - rvm: ruby-head
-  include:
-  - rvm: 2.3.3
-    gemfile: gemfiles/rails_5_0.gemfile
-  - rvm: ruby-head
-    gemfile: gemfiles/rails_5_0.gemfile
 

Appraisals

@@ -1,12 +1,4 @@
 
-appraise "rails_4_0" do
-  version = "~> 4.0.12"
-  gem "activesupport", version
-  gem "actionpack", version
-  gem "activerecord", version
-  gem "railties", version
-end
-
 appraise "rails_4_1" do
   version = "~> 4.1.8"
   gem "activesupport", version
@@ -30,3 +22,11 @@ appraise "rails_5_0" do
   gem "activerecord", version
   gem "railties", version
 end
+
+appraise "rails_5_1" do
+  version = "~> 5.1.0"
+  gem "activesupport", version
+  gem "actionpack", version
+  gem "activerecord", version
+  gem "railties", version
+end

CHANGELOG.md

@@ -11,7 +11,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 
-- Nothing
+- Add support for AR 5.1.x
+- Drop support for AR 4.0.x
+- Drop support for Ruby < 2.2
 
 ### Fixed
 

active_record_tweaks.gemspec

@@ -27,7 +27,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map { |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_dependency "activerecord", ">= 4.0.0", "< 5.1.0"
+  s.add_dependency "activerecord", ">= 4.1.0", "< 6.0.0"
 
   s.add_development_dependency "bundler", ">= 1.0.0"
   s.add_development_dependency "rake", ">= 10.0", "<= 13.0"
@@ -41,7 +41,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "timecop", ">= 0.7.1"
   s.add_development_dependency "rubocop", "~> 0.30"
 
-  s.required_ruby_version = ">= 2.1.0"
+  s.required_ruby_version = ">= 2.2.0"
 
   s.required_rubygems_version = ">= 1.4.0"
 end

gemfiles/.bundle/config

@@ -0,0 +1,2 @@
+---
+BUNDLE_RETRY: "1"

gemfiles/rails_4_1.gemfile

@@ -7,4 +7,4 @@ gem "actionpack", "~> 4.1.8"
 gem "activerecord", "~> 4.1.8"
 gem "railties", "~> 4.1.8"
 
-gemspec :path => "../"
+gemspec path: "../"

gemfiles/rails_4_2.gemfile

@@ -7,4 +7,4 @@ gem "actionpack", "~> 4.2.0"
 gem "activerecord", "~> 4.2.0"
 gem "railties", "~> 4.2.0"
 
-gemspec :path => "../"
+gemspec path: "../"

gemfiles/rails_5_0.gemfile

@@ -7,4 +7,4 @@ gem "actionpack", "~> 5.0.0"
 gem "activerecord", "~> 5.0.0"
 gem "railties", "~> 5.0.0"
 
-gemspec :path => "../"
+gemspec path: "../"

gemfiles/rails_5_1.gemfile

@@ -0,0 +1,10 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activesupport", "~> 5.1.0"
+gem "actionpack", "~> 5.1.0"
+gem "activerecord", "~> 5.1.0"
+gem "railties", "~> 5.1.0"
+
+gemspec path: "../"