Support rails 8

[absk1317]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @absk1317, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the gem's dependencies and test suite to add support for Rails 8. This involves bumping the minimum required Ruby version and extending the ActiveRecord compatibility range, along with making necessary adjustments to the test setup for Ruby 3 compatibility.

Highlights

• ActiveRecord Compatibility: Extended the supported ActiveRecord version range to include Rails 8, changing the upper bound from < 8.0 to < 9.0 in the Gemfile and annotate.gemspec.
• Dependency Removal: Removed the ruby_dep gem from the Gemfile, likely because it's no longer necessary with the Ruby 3.0 requirement.
• Ruby 3 Test Compatibility: Added a capture_stderr helper in spec/spec_helper.rb and updated tests in spec/lib/annotate/annotate_models_spec.rb to use it for asserting stderr output. Also added an alias for File.exists? to File.exist? in spec_helper.rb for Ruby 3 compatibility.

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[gemini-code-assist]

Code Review

This pull request updates the gem to support Rails 8 by increasing the minimum required Ruby version to 3.0.0 and extending ActiveRecord compatibility up to version 8.x (specified as < 9.0). Changes also include removing the ruby_dep gem, refactoring a test for efficiency, and adding a compatibility shim for File.exists? in the test environment to support execution on Ruby 3+.

The primary concern raised is the increase in required_ruby_version to >= 3.0.0. This is a breaking change for users on Ruby versions < 3.0, even if they are using older Rails versions that this gem still claims to support via its ActiveRecord dependency range. This aspect needs careful consideration regarding semantic versioning and communication.

A minor suggestion is to remove a potentially unused require 'logger' statement in the test helper setup.

[gemini-code-assist]

Setting s.required_ruby_version to >= 3.0.0 is a significant change. While this may be necessary for future Rails versions like Rails 8, it will make new versions of annotate_models incompatible for projects using older Ruby versions (e.g., 2.5-2.7), even if those projects are on Rails versions (like Rails 5.x, 6.x) that are otherwise within the activerecord dependency range of ['>= 3.2', '< 9.0'].

For instance, a project on Rails 6.0 with Ruby 2.7 would no longer be able to update annotate_models to this version or newer without also upgrading their Ruby environment.

This effectively means dropping support for Ruby versions older than 3.0. Please consider the following:

1. Is this breaking change intentional and its impact assessed?
2. If so, this change should ideally be part of a major version bump for the gem (e.g., from 3.x.x to 4.x.x) and be clearly communicated in the changelog.
3. The activerecord lower bound of >= 3.2 might also need reconsideration or clarification, as these very old ActiveRecord versions are not practically usable with Ruby 3.0.

[gemini-code-assist]

The logger library is imported here, but it doesn't appear to be used within this file or by the changes introduced in this pull request. If it's not utilized elsewhere in the test suite or supporting code, consider removing this line to keep dependencies minimal and avoid loading unnecessary code.