Conditionally set relaxed sqlite3 dependency

Author: JonRowe

Gemfile-rails-dependencies

@@ -11,12 +11,14 @@ def add_net_gems_dependency
   end
 end
 
-# sqlite3 is an optional, unspecified, dependency and Rails 6.0 only supports `~> 1.4`
-if RUBY_VERSION.to_f < 3
-  # sqlite3 1.7.x doesn't work on all platforms for Ruby 2.x
-  gem 'sqlite3', '~> 1.4', '< 1.7', platforms: [:ruby]
-else
-  gem 'sqlite3', '>= 1.4', platforms: [:ruby]
+def add_sqlite3_gem_dependency
+  # sqlite3 is an optional, unspecified, dependency and Rails 6.0 only supports `~> 1.4`
+  if RUBY_VERSION.to_f < 3
+    # sqlite3 1.7.x doesn't work on all platforms for Ruby 2.x
+    gem 'sqlite3', '~> 1.4', '< 1.7', platforms: [:ruby]
+  else
+    gem 'sqlite3', '~> 1.4', platforms: [:ruby]
+  end
 end
 
 if RUBY_VERSION.to_f < 2.7
@@ -30,17 +32,22 @@ when /main/
   gem "rails", :git => "https://github.com/rails/rails.git"
   gem 'activerecord-jdbcsqlite3-adapter', git: 'https://github.com/jruby/activerecord-jdbc-adapter', platforms: [:jruby]
   gem 'selenium-webdriver', require: false
+
+  # Rails 8 requires 2.0.0
+  gem 'sqlite3', '~> 2.0', platforms: [:ruby]
 when /stable$/
   gem_list = %w[rails railties actionmailer actionpack activerecord activesupport activejob actionview]
   gem 'activerecord-jdbcsqlite3-adapter', git: 'https://github.com/jruby/activerecord-jdbc-adapter', platforms: [:jruby]
 
   gem_list.each do |rails_gem|
     gem rails_gem, :git => "https://github.com/rails/rails.git", :branch => version
   end
+  add_sqlite3_gem_dependency
 when nil, false, ""
   gem "rails", "~> 7.0.0"
   gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
   gem 'selenium-webdriver', require: false
+  add_sqlite3_gem_dependency
 else
   version_number = version.split(' ').last
   add_net_gems_dependency if version_number < '7.0'
@@ -55,4 +62,5 @@ else
   else
     gem 'selenium-webdriver', require: false
   end
+  add_sqlite3_gem_dependency
 end

example_app_generator/generate_app.rb

@@ -29,11 +29,13 @@
 
   gsub_file "Gemfile", /.*rails-controller-testing.*/, "gem 'rails-controller-testing', git: 'https://github.com/rails/rails-controller-testing'"
 
-  # sqlite3 is an optional, unspecified, dependency and Rails 6.0 only supports `~> 1.4`, and Ruby 2.7 only supports < 1.7
+  # sqlite3 is an optional, unspecified, dependency of which Rails 6.0 only supports `~> 1.4`, Ruby 2.7 only supports < 1.7 and Rails 8.0 only supports `~> 2.0`
   if RUBY_VERSION.to_f < 3
     gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 1.4', '< 1.7'"
+  elsif Rails::VERSION::STRING > '8'
+    gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 2.0'"
   else
-    gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '>= 1.4'"
+    gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 1.4'"
   end
 
   # remove webdrivers