Gemfile in solidus_newsletter-1.0 vs Gemfile in solidus_newsletter-1.1

@@ -1,25 +1,52 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 branch = ENV.fetch('SOLIDUS_BRANCH', 'master')
-gem 'solidus', github: 'solidusio/solidus', branch: branch
-gem 'solidus_i18n', github: 'solidusio-contrib/solidus_i18n', branch: 'master'
 
-if branch == 'master' || branch >= 'v2.3'
-  gem 'rails', '~> 5.1.0'
-elsif branch >= 'v2.0'
-  gem 'rails', '~> 5.0.0'
-  gem 'rails-controller-testing', group: :test
+solidus_git, solidus_frontend_git = if (branch == 'master') || (branch >= 'v3.2')
+                                      %w[solidusio/solidus solidusio/solidus_frontend]
+                                    else
+                                      %w[solidusio/solidus] * 2
+                                    end
+
+gem 'solidus', github: solidus_git, branch: branch
+gem 'solidus_api', github: solidus_git, branch: branch
+gem 'solidus_backend', github: solidus_git, branch: branch
+gem 'solidus_core', github: solidus_git, branch: branch
+gem 'solidus_frontend', github: solidus_frontend_git, branch: branch
+gem 'solidus_sample', github: solidus_git, branch: branch
+
+# Needed to help Bundler figure out how to resolve dependencies,
+# otherwise it takes forever to resolve them.
+# See https://github.com/bundler/bundler/issues/6677
+gem 'rails', ENV.fetch('RAILS_VERSION', nil)
+
+# Provides basic authentication functionality for testing parts of your engine
+gem 'solidus_auth_devise'
+
+case ENV.fetch('DB', nil)
+when 'mysql'
+  gem 'mysql2'
+when 'postgresql'
+  gem 'pg'
 else
-  gem 'rails', '~> 4.2.0'
-  gem 'rails_test_params_backport', group: :test
+  gem 'sqlite3'
 end
 
-gem 'pg', '~> 0.21'
-gem 'sqlite3'
-gem 'mysql2'
+group :test do
+  gem 'rails-controller-testing'
+  gem 'rspec-activemodel-mocks'
+end
 
 group :development, :test do
-  gem 'i18n-tasks', '~> 0.9' if branch == 'master'
+  gem 'factory_bot', '> 4.10.0'
+  gem 'pry-rails'
 end
 
 gemspec
+
+# Use a local Gemfile to include development dependencies that might not be
+# relevant for the project or for other contributors, e.g.: `gem 'pry-debug'`.
+eval_gemfile 'Gemfile-local' if File.exist? 'Gemfile-local'