Update .rubocop.yml to read from panolint

This commit also adds CI support for TruffleRuby, and changes our
CI configuration so linters are only installed in the latest version
of Ruby where they run.

Author: PeteHanner

.github/workflows/tests.yml

@@ -14,11 +14,18 @@ jobs:
       matrix:
         # Due to https://github.com/actions/runner/issues/849, we have to use
         # quotes for '3.0'. Without quotes, CI runs 3.1.
-        ruby: [ 2.5, 2.6, 2.7, '3.0', 3.1, jruby ]
+        ruby: [ jruby, truffleruby, 2.5, 2.6, 2.7, '3.0', 3.1 ]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
 
+    # Conditionally configure bundler via environment variables as advised
+    #   * https://github.com/ruby/setup-ruby#bundle-config
+    - name: Set bundler environment variables
+      run: |
+        echo "BUNDLE_WITHOUT=checks" >> $GITHUB_ENV
+      if: matrix.ruby != 3.1
+
     # Use 'bundler-cache: true' instead of actions/cache as advised:
     #   * https://github.com/actions/cache/blob/main/examples.md#ruby---bundler
     - uses: ruby/setup-ruby@v1
@@ -29,4 +36,4 @@ jobs:
     - run: bundle exec rspec
 
     - run: bundle exec rubocop
-      if: matrix.ruby == 3.0
+      if: matrix.ruby == 3.1

.rubocop.yml

@@ -1,5 +1,5 @@
 inherit_gem:
-  panolint: rubocop.yml
+  panolint: panolint-rubocop.yml
 Metrics/BlockLength:
   Exclude:
     - scan_left.gemspec

Gemfile

@@ -5,6 +5,6 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 # Specify your gem's dependencies in scan_left.gemspec
 gemspec
 
-group :development do
+group :checks do
   gem "panolint", github: "panorama-ed/panolint", branch: "main"
 end

Gemfile.lock

@@ -1,9 +1,9 @@
 GIT
   remote: https://github.com/panorama-ed/panolint
-  revision: c709ebcc5fd9593db959df4a92c12cae1d1fb9af
+  revision: 0e9b6d9f2d41c84c306cae5f33da53f58aa61678
   branch: main
   specs:
-    panolint (0.1.3)
+    panolint (0.1.5)
       brakeman (>= 4.8, < 6.0)
       rubocop (>= 0.83, < 2.0)
       rubocop-performance (~> 1.5)
@@ -19,25 +19,26 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.1.4)
+    activesupport (6.1.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
     ast (2.4.2)
-    brakeman (5.1.1)
-    concurrent-ruby (1.1.9)
+    brakeman (5.3.1)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.4.4)
-    i18n (1.8.10)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    minitest (5.14.4)
-    parallel (1.20.1)
-    parser (3.0.2.0)
+    json (2.6.2)
+    minitest (5.15.0)
+    parallel (1.22.1)
+    parser (3.1.2.1)
       ast (~> 2.4.1)
-    rack (2.2.3)
-    rainbow (3.0.0)
-    regexp_parser (2.1.1)
+    rack (3.0.0)
+    rainbow (3.1.1)
+    regexp_parser (2.6.0)
     rexml (3.2.5)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
@@ -52,34 +53,34 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.0)
-    rubocop (1.18.4)
+    rubocop (1.36.0)
+      json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.8.0, < 2.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.20.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.8.0)
-      parser (>= 3.0.1.1)
-    rubocop-performance (1.11.4)
+    rubocop-ast (1.21.0)
+      parser (>= 3.1.1.0)
+    rubocop-performance (1.13.3)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.11.3)
+    rubocop-rails (2.14.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.4.0)
-      rubocop (~> 1.0)
-      rubocop-ast (>= 1.1.0)
+    rubocop-rspec (2.10.0)
+      rubocop (~> 1.19)
     ruby-progressbar (1.11.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.0.0)
-    zeitwerk (2.4.2)
+    unicode-display_width (2.3.0)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   ruby

scan_left.gemspec

@@ -42,4 +42,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "rspec", "~> 3.0"
+  spec.metadata["rubygems_mfa_required"] = "true"
 end