Drop support for Rails 4.x

Author: lucascaton

.travis.yml

@@ -14,18 +14,11 @@ rvm:
   - 2.7.2
 
 gemfile:
-  - gemfiles/rails_4.2.gemfile
   - gemfiles/rails_5.0.gemfile
   - gemfiles/rails_5.1.gemfile
   - gemfiles/rails_5.2.gemfile
   - gemfiles/rails_6.0.gemfile
 
-matrix:
-  exclude:
-    # Rails 4.2 isn't compatible with Ruby 2.7+
-    - rvm: 2.7.2
-      gemfile: gemfiles/rails_4.2.gemfile
-
 addons:
   code_climate:
     repo_token: 60e4a18e2a4bc86a98f92847f16756876c13d1e772058a9b3296643b04a697d7

Appraisals

@@ -4,7 +4,7 @@ require 'json'
 rails_versions = JSON.parse(Net::HTTP.get(URI('https://rubygems.org/api/v1/versions/rails.json')))
   .group_by { |version| version['number'] }.keys.reject { |key| key =~ /rc|racecar|beta|pre/ }
 
-%w[4.2 5.0 5.1 5.2 6.0].each do |version|
+%w[5.0 5.1 5.2 6.0].each do |version|
   appraise "rails_#{version}" do
     current_version = rails_versions
       .select { |key| key.match(/\A#{version}/) }
@@ -13,6 +13,6 @@ rails_versions = JSON.parse(Net::HTTP.get(URI('https://rubygems.org/api/v1/versi
     gem 'activesupport', "~> #{current_version}"
     gem 'activerecord',  "~> #{current_version}"
 
-    gem 'sqlite3', Gem::Version.new(version) > Gem::Version.new(5.0) ? '~> 1.4.1' : '< 1.4'
+    gem 'sqlite3', Gem::Version.new(version) > Gem::Version.new(5.0) ? '~> 1.4.2' : '< 1.4'
   end
 end

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     enumerate_it (3.1.0)
-      activesupport (>= 4.2.0)
+      activesupport (>= 5.0.7.2)
 
 GEM
   remote: https://rubygems.org/

README.md

@@ -404,7 +404,7 @@ You sure can! 😄
 #### What versions of Ruby and Rails are supported?
 
 * **Ruby**: `2.5+`
-* **Rails** `4.2+`
+* **Rails** `5.0+`
 
 All versions are tested via
 [Travis](https://github.com/lucascaton/enumerate_it/blob/master/.travis.yml).

enumerate_it.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |gem|
     'changelog_uri' => 'https://github.com/lucascaton/enumerate_it/releases'
   }
 
-  gem.add_dependency 'activesupport', '>= 4.2.0'
+  gem.add_dependency 'activesupport', '>= 5.0.7.2'
 
   gem.add_development_dependency 'appraisal'
   gem.add_development_dependency 'bundler'

gemfiles/rails_4.2.gemfile

@@ -4,6 +4,6 @@ source 'https://rubygems.org'
 
 gem 'activerecord', '~> 5.1.7'
 gem 'activesupport', '~> 5.1.7'
-gem 'sqlite3', '~> 1.4.1'
+gem 'sqlite3', '~> 1.4.2'
 
 gemspec path: '../'

gemfiles/rails_5.1.gemfile

@@ -4,6 +4,6 @@ source 'https://rubygems.org'
 
 gem 'activerecord', '~> 5.2.4.4'
 gem 'activesupport', '~> 5.2.4.4'
-gem 'sqlite3', '~> 1.4.1'
+gem 'sqlite3', '~> 1.4.2'
 
 gemspec path: '../'

gemfiles/rails_5.2.gemfile

@@ -4,6 +4,6 @@ source 'https://rubygems.org'
 
 gem 'activerecord', '~> 6.0.3.4'
 gem 'activesupport', '~> 6.0.3.4'
-gem 'sqlite3', '~> 1.4.1'
+gem 'sqlite3', '~> 1.4.2'
 
 gemspec path: '../'