Add Rails 8 build to the CI

Rails 8 has been released. Test our gem works against it on the CI.

.github/workflows/ci.yml

@@ -2,7 +2,7 @@
 # This is a generated file by the `rake build_matrix:github:generate` task.
 # See `build_matrix.yml` for the build matrix.
 # Generate this file with `rake build_matrix:github:generate`.
-# Generated job count: 122
+# Generated job count: 125
 ---
 name: Ruby gem CI
 'on':
@@ -534,6 +534,33 @@ jobs:
       JRUBY_OPTS: ''
       COV: '1'
       BUNDLE_GEMFILE: gemfiles/rails-7.2.gemfile
+  ruby_3-3-4__rails-8-0_ubuntu-latest:
+    name: Ruby 3.3.4 - rails-8.0
+    needs: ruby_3-3-4_ubuntu-latest
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4
+    - name: Install Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.3.4
+        bundler-cache: true
+    - name: Install gem extension
+      run: "./script/bundler_wrapper exec rake extension:install"
+    - name: Print extension install report
+      run: "[ -e ext/install.report ] && cat ext/install.report || echo 'No ext/install.report
+        file found'"
+    - name: Print Makefile log file
+      run: "[ -f ext/mkmf.log ] && cat ext/mkmf.log || echo 'No ext/mkmf.log file
+        found'"
+    - name: Run tests
+      run: "./script/bundler_wrapper exec rake test"
+    env:
+      RAILS_ENV: test
+      JRUBY_OPTS: ''
+      COV: '1'
+      BUNDLE_GEMFILE: gemfiles/rails-8.0.gemfile
   ruby_3-3-4__sequel_ubuntu-latest:
     name: Ruby 3.3.4 - sequel
     needs: ruby_3-3-4_ubuntu-latest
@@ -1159,6 +1186,33 @@ jobs:
       JRUBY_OPTS: ''
       COV: '1'
       BUNDLE_GEMFILE: gemfiles/rails-7.2.gemfile
+  ruby_3-2-5__rails-8-0_ubuntu-latest:
+    name: Ruby 3.2.5 - rails-8.0
+    needs: ruby_3-2-5_ubuntu-latest
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4
+    - name: Install Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.2.5
+        bundler-cache: true
+    - name: Install gem extension
+      run: "./script/bundler_wrapper exec rake extension:install"
+    - name: Print extension install report
+      run: "[ -e ext/install.report ] && cat ext/install.report || echo 'No ext/install.report
+        file found'"
+    - name: Print Makefile log file
+      run: "[ -f ext/mkmf.log ] && cat ext/mkmf.log || echo 'No ext/mkmf.log file
+        found'"
+    - name: Run tests
+      run: "./script/bundler_wrapper exec rake test"
+    env:
+      RAILS_ENV: test
+      JRUBY_OPTS: ''
+      COV: '1'
+      BUNDLE_GEMFILE: gemfiles/rails-8.0.gemfile
   ruby_3-2-5__sequel_ubuntu-latest:
     name: Ruby 3.2.5 - sequel
     needs: ruby_3-2-5_ubuntu-latest
@@ -3254,6 +3308,33 @@ jobs:
       JRUBY_OPTS: ''
       COV: '1'
       BUNDLE_GEMFILE: gemfiles/rails-7.2.gemfile
+  ruby_jruby-9-4-7-0__rails-8-0_ubuntu-latest:
+    name: Ruby jruby-9.4.7.0 - rails-8.0
+    needs: ruby_jruby-9-4-7-0_ubuntu-latest
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4
+    - name: Install Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: jruby-9.4.7.0
+        bundler-cache: true
+    - name: Install gem extension
+      run: "./script/bundler_wrapper exec rake extension:install"
+    - name: Print extension install report
+      run: "[ -e ext/install.report ] && cat ext/install.report || echo 'No ext/install.report
+        file found'"
+    - name: Print Makefile log file
+      run: "[ -f ext/mkmf.log ] && cat ext/mkmf.log || echo 'No ext/mkmf.log file
+        found'"
+    - name: Run tests
+      run: "./script/bundler_wrapper exec rake test"
+    env:
+      RAILS_ENV: test
+      JRUBY_OPTS: ''
+      COV: '1'
+      BUNDLE_GEMFILE: gemfiles/rails-8.0.gemfile
   ruby_jruby-9-4-7-0_macos-14:
     name: Ruby jruby-9.4.7.0 (macos-14)
     needs: validation

build_matrix.yml

@@ -85,6 +85,7 @@ matrix:
       - "rails-7.0"
       - "rails-7.1"
       - "rails-7.2"
+      - "rails-8.0"
 
   ruby:
     - ruby: "3.3.4"
@@ -179,6 +180,12 @@ matrix:
           - "3.2.5"
           - "3.1.6"
           - "jruby-9.4.7.0"
+    - gem: "rails-8.0"
+      only:
+        ruby:
+          - "3.3.4"
+          - "3.2.5"
+          - "jruby-9.4.7.0"
     - gem: "sequel"
     - gem: "sinatra"
     - gem: "webmachine2"

gemfiles/rails-8.0.gemfile

@@ -0,0 +1,7 @@
+source "https://rubygems.org"
+
+gem "rails", "~> 8.0.0"
+gem "rake"
+gem "sidekiq"
+
+gemspec :path => "../"