update nix, add rubocop

.envrc

@@ -1,2 +1,2 @@
-use nix
-watch_file nix/gemset.nix
+use flake
+watch_file gemset.nix

.github/workflows/ci.yml

@@ -15,14 +15,20 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Install Nix
-        uses: cachix/install-nix-action@v26
+        uses: cachix/install-nix-action@v30
         with:
-          nix_path: nixpkgs=channel:nixos-24.05
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Check out repository code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Run tests
-        run: nix-shell --run rspec
+        run: nix develop --command rspec
+
+      - name: Run rubocop
+        run: nix develop --command rubocop
+
+      - name: Run nix formatter
+        run: nix fmt -- --check .

.gitignore

@@ -1,6 +1,5 @@
 .bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/

.rubocop.yml

@@ -0,0 +1,43 @@
+inherit_from: .rubocop_todo.yml
+AllCops:
+  NewCops: enable
+  SuggestExtensions:
+    rubocop-rails: false
+  TargetRubyVersion: 3.0
+
+require:
+  - rubocop-rspec
+  - rubocop-rake
+
+# This prevents us from inlining code, which we think
+# is often better then having lots if out-of-order method calls
+Metrics/AbcSize:
+  Enabled: false
+
+# This prevents us from co-locating functional code, which we think
+# is often better then having lots of stateless files.
+Metrics/ClassLength:
+  Enabled: false
+
+# This prevents us from inlining code, which we think
+# is often better then having lots if out-of-order method calls
+Metrics/MethodLength:
+  Enabled: false
+
+# This prevents us from inlining code, which we think
+# is often better then having lots if out-of-order method calls
+Metrics/ModuleLength:
+  Enabled: false
+
+# This prevents us from inlining which we like. We like inlining!
+RSpec/ExampleLength:
+  Enabled: False
+
+# We believe that inlining is valuable and expecting one expectation
+# forces us to avoid inlining.
+RSpec/MultipleExpectations:
+  Enabled: False
+
+# explicit makes specs easier to read
+RSpec/DescribedClass:
+  EnforcedStyle: explicit

.rubocop_todo.yml

@@ -0,0 +1,22 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config --auto-gen-only-exclude --exclude-limit 1000 --no-auto-gen-timestamp`
+# using RuboCop version 1.68.0.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 8
+# Configuration parameters: AllowedConstants.
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - 'lib/rails_edge_test.rb'
+    - 'lib/rails_edge_test/configuration.rb'
+    - 'lib/rails_edge_test/dsl.rb'
+    - 'lib/rails_edge_test/dsl/let_handler.rb'
+    - 'lib/rails_edge_test/printers/boring.rb'
+    - 'lib/rails_edge_test/printers/silent.rb'
+    - 'lib/rails_edge_test/printers/tree.rb'
+    - 'lib/rails_edge_test/runner.rb'

Appraisals

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 appraise 'rails-5.2' do
   gem 'rails', '~> 5.2.0'
 end

Gemfile

@@ -1,4 +1,15 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in rails_edge_test.gemspec
 gemspec
+
+gem 'appraisal', '~> 2.3'
+gem 'rails', '>= 5.2', '< 7.1.0'
+gem 'rake', '~> 13.0'
+gem 'rspec', '~> 3.9'
+gem 'rubocop'
+gem 'rubocop-rake'
+gem 'rubocop-rspec'
+gem 'sqlite3', '~> 2.0.4'

Gemfile.lock

@@ -0,0 +1,214 @@
+PATH
+  remote: .
+  specs:
+    rails_edge_test (2.1.0)
+      actionpack (>= 5.2.0, < 7.1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailbox (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      activejob (= 7.0.8.6)
+      activerecord (= 7.0.8.6)
+      activestorage (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      mail (>= 2.7.1)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      actionview (= 7.0.8.6)
+      activejob (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
+      rails-dom-testing (~> 2.0)
+    actionpack (7.0.8.6)
+      actionview (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      rack (~> 2.0, >= 2.2.4)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      activerecord (= 7.0.8.6)
+      activestorage (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.0.8.6)
+      activesupport (= 7.0.8.6)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (7.0.8.6)
+      activesupport (= 7.0.8.6)
+      globalid (>= 0.3.6)
+    activemodel (7.0.8.6)
+      activesupport (= 7.0.8.6)
+    activerecord (7.0.8.6)
+      activemodel (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+    activestorage (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      activejob (= 7.0.8.6)
+      activerecord (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      marcel (~> 1.0)
+      mini_mime (>= 1.1.0)
+    activesupport (7.0.8.6)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    ast (2.4.2)
+    builder (3.3.0)
+    concurrent-ruby (1.3.4)
+    crass (1.0.6)
+    date (3.4.0)
+    diff-lcs (1.5.1)
+    erubi (1.13.0)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    json (2.8.1)
+    language_server-protocol (3.17.0.3)
+    loofah (2.23.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    method_source (1.1.0)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.7)
+    minitest (5.25.1)
+    net-imap (0.5.1)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.0)
+      net-protocol
+    nio4r (2.7.4)
+    nokogiri (1.16.7)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    parallel (1.26.3)
+    parser (3.3.6.0)
+      ast (~> 2.4.1)
+      racc
+    racc (1.8.1)
+    rack (2.2.10)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rails (7.0.8.6)
+      actioncable (= 7.0.8.6)
+      actionmailbox (= 7.0.8.6)
+      actionmailer (= 7.0.8.6)
+      actionpack (= 7.0.8.6)
+      actiontext (= 7.0.8.6)
+      actionview (= 7.0.8.6)
+      activejob (= 7.0.8.6)
+      activemodel (= 7.0.8.6)
+      activerecord (= 7.0.8.6)
+      activestorage (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      bundler (>= 1.15.0)
+      railties (= 7.0.8.6)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (7.0.8.6)
+      actionpack (= 7.0.8.6)
+      activesupport (= 7.0.8.6)
+      method_source
+      rake (>= 12.2)
+      thor (~> 1.0)
+      zeitwerk (~> 2.5)
+    rainbow (3.1.1)
+    rake (13.2.1)
+    regexp_parser (2.9.2)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
+    rubocop (1.68.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.35.0)
+      parser (>= 3.3.1.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
+    rubocop-rspec (3.2.0)
+      rubocop (~> 1.61)
+    ruby-progressbar (1.13.0)
+    sqlite3 (2.0.4)
+      mini_portile2 (~> 2.8.0)
+    thor (1.3.2)
+    timeout (0.4.2)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.6.0)
+    websocket-driver (0.7.6)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.6.18)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  appraisal (~> 2.3)
+  rails (>= 5.2, < 7.1.0)
+  rails_edge_test!
+  rake (~> 13.0)
+  rspec (~> 3.9)
+  rubocop
+  rubocop-rake
+  rubocop-rspec
+  sqlite3 (~> 2.0.4)
+
+BUNDLED WITH
+   2.3.27