Add Rubocop, adopt rubyfmt, and move CI to shared config

.github/workflows/ci.yml

@@ -7,35 +7,17 @@ on:
   pull_request:
 
 jobs:
-  rspec:
+  call-workflow-from-shared-config:
+    uses: rubyatscale/shared-config/.github/workflows/ci.yml@main
+    secrets: inherit
+  rubyfmt:
+    name: "Rubyfmt"
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        ruby:
-          - '3.3'
-          - '3.4'
-          - '4.0'
-    env:
-      BUNDLE_GEMFILE: Gemfile
-    name: "RSpec tests: Ruby ${{ matrix.ruby }}"
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Ruby ${{ matrix.ruby }}
-        uses: ruby/setup-ruby@v1
-        with:
-          bundler-cache: true
-          ruby-version: ${{ matrix.ruby }}
-      - name: Run tests
-        run: bundle exec rspec
-  static_type_check:
-    name: "Type Check"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          bundler-cache: true
-          ruby-version: '4.0'
-      - name: Run static type checks
-        run: bundle exec srb tc
+      - uses: actions/checkout@v7
+      - name: Install rubyfmt
+        run: |
+          curl -sL "https://github.com/fables-tales/rubyfmt/releases/download/v0.14.1/rubyfmt-v0.14.1-Linux-x86_64.tar.gz" | tar xz
+          sudo install -m 755 tmp/releases/v0.14.1-Linux/rubyfmt /usr/local/bin/rubyfmt
+      - name: Check formatting
+        run: rubyfmt --check lib/ spec/ Rakefile pack_stats.gemspec Gemfile

.rubocop.yml

@@ -0,0 +1,39 @@
+inherit_from: .rubocop_todo.yml
+
+inherit_mode:
+  merge:
+    - Exclude
+    - Include
+
+inherit_gem:
+  rubocop-gusto:
+    - config/default.yml
+
+plugins:
+  - rubocop-gusto
+  - rubocop-rubyfmt
+
+# The behavior of RuboCop can be controlled via the .rubocop.yml
+# configuration file. It makes it possible to enable/disable
+# certain cops (checks) and to alter their behavior if they accept
+# any parameters. The file can be placed either in your home
+# directory or in some project directory.
+#
+# RuboCop will start looking for the configuration file in the directory
+# where the inspected file is and continue its way up to the root directory.
+#
+# See https://docs.rubocop.org/rubocop/configuration
+AllCops:
+  NewCops: enable
+  SuggestExtensions: false
+  Exclude:
+    - bin/**/*
+    - sorbet/tapioca/**/*
+    - vendor/bundle/**/**
+  TargetRubyVersion: 3.3
+
+RSpec/NotToNot:
+  Enabled: true
+
+Style/BlockDelimiters:
+  Enabled: true

.rubocop_todo.yml

@@ -0,0 +1,38 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2026-07-23 21:55:51 UTC using RuboCop version 1.88.2.
+# 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: EnforcedStyle, AllowedGems.
+# SupportedStyles: Gemfile, gems.rb, gemspec
+Gemspec/DevelopmentDependencies:
+  Exclude:
+    - 'pack_stats.gemspec'
+
+# Offense count: 2
+# Configuration parameters: AllowComments, AllowEmptyLambdas.
+Lint/EmptyBlock:
+  Exclude:
+    - 'spec/pack_stats/pack_stats_spec.rb'
+
+# Offense count: 1
+# Configuration parameters: CountKeywordArgs, MaxOptionalParameters.
+Metrics/ParameterLists:
+  Max: 8
+
+# Offense count: 1
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: SuggestedStrictness.
+Sorbet/StrictSigil:
+  Exclude:
+    - 'spec/spec_helper.rb'
+
+# Offense count: 1
+# This cop supports unsafe autocorrection (--autocorrect-all).
+Style/CombinableLoops:
+  Exclude:
+    - 'lib/pack_stats/private/metrics/dependencies.rb'

.rubyfmtignore

@@ -0,0 +1,2 @@
+bin/**
+sorbet/tapioca/**

Gemfile

@@ -1,4 +1,5 @@
-source 'https://rubygems.org'
+# frozen_string_literal: true
+source "https://rubygems.org"
 
 # Specify your gem's dependencies in pack_stats.gemspec
 gemspec

Gemfile.lock

@@ -48,18 +48,14 @@ GEM
       code_teams (~> 1.0)
       packs-specification
       sorbet-runtime (>= 0.6.12763)
-    code_ownership (2.1.3-x86_64-darwin)
-      code_teams (~> 1.0)
-      packs-specification
-      sorbet-runtime (>= 0.6.12763)
     code_ownership (2.1.3-x86_64-linux)
       code_teams (~> 1.0)
       packs-specification
       sorbet-runtime (>= 0.6.12763)
     code_teams (1.3.0)
       sorbet-runtime
     coderay (1.1.3)
-    concurrent-ruby (1.3.7)
+    concurrent-ruby (1.3.8)
     connection_pool (3.0.2)
     constant_resolver (0.3.0)
     crass (1.0.7)
@@ -71,8 +67,8 @@ GEM
     i18n (1.15.2)
       concurrent-ruby (~> 1.0)
     io-console (0.8.2)
-    json (2.20.0)
-    language_server-protocol (3.17.0.5)
+    json (2.21.1)
+    language_server-protocol (3.17.0.6)
     lint_roller (1.1.0)
     logger (1.7.0)
     loofah (2.25.2)
@@ -82,7 +78,7 @@ GEM
     minitest (6.0.6)
       drb (~> 2.0)
       prism (~> 1.5)
-    multi_json (1.15.0)
+    multi_json (1.21.1)
     netrc (0.11.0)
     nokogiri (1.19.4-arm64-darwin)
       racc (~> 1.4)
@@ -117,7 +113,7 @@ GEM
     parse_packwerk (0.27.0)
       bigdecimal
       sorbet-runtime
-    parser (3.3.11.1)
+    parser (3.3.12.0)
       ast (~> 2.4.1)
       racc
     pastel (0.8.0)
@@ -137,7 +133,7 @@ GEM
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     rainbow (3.1.1)
     rake (13.4.2)
-    rbi (0.3.14)
+    rbi (0.4.0)
       prism (~> 1.0)
       rbs (>= 4.0.1)
     rbs (4.0.3)
@@ -147,7 +143,7 @@ GEM
     regexp_parser (2.12.0)
     reline (0.6.3)
       io-console (~> 0.5)
-    require-hooks (0.4.0)
+    require-hooks (0.4.1)
     rexml (3.4.4)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)
@@ -162,7 +158,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.7)
-    rubocop (1.88.0)
+    rubocop (1.88.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -173,9 +169,19 @@ GEM
       rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.49.1)
+    rubocop-ast (1.50.0)
       parser (>= 3.3.7.2)
       prism (~> 1.7)
+    rubocop-gusto (11.3.0)
+      code_teams
+      lint_roller
+      rubocop (>= 1.76)
+      rubocop-performance
+      rubocop-rake
+      rubocop-rspec
+      rubocop-sorbet
+      smart_todo
+      thor
     rubocop-packs (0.0.45)
       activesupport
       base64
@@ -185,27 +191,43 @@ GEM
       rubocop (~> 1.0)
       rubocop-sorbet (>= 0.8.4)
       sorbet-runtime
-    rubocop-sorbet (0.12.0)
+    rubocop-performance (1.26.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
+    rubocop-rake (0.7.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1)
+    rubocop-rspec (3.10.2)
+      lint_roller (~> 1.1)
+      regexp_parser (>= 2.0)
+      rubocop (~> 1.86, >= 1.86.2)
+    rubocop-rubyfmt (0.1.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.2)
+    rubocop-sorbet (0.13.2)
       lint_roller
       rubocop (>= 1.75.2)
     ruby-progressbar (1.13.0)
-    rubydex (0.2.6-arm64-darwin)
-    rubydex (0.2.6-x86_64-darwin)
-    rubydex (0.2.6-x86_64-linux)
+    rubydex (0.3.0-arm64-darwin)
+    rubydex (0.3.0-x86_64-darwin)
+    rubydex (0.3.0-x86_64-linux)
     securerandom (0.4.1)
     smart_properties (1.17.0)
-    sorbet (0.6.13321)
-      sorbet-static (= 0.6.13321)
-    sorbet-runtime (0.6.13321)
-    sorbet-static (0.6.13321-universal-darwin)
-    sorbet-static (0.6.13321-x86_64-linux)
-    sorbet-static-and-runtime (0.6.13321)
-      sorbet (= 0.6.13321)
-      sorbet-runtime (= 0.6.13321)
-    spoom (1.8.2)
+    smart_todo (1.11.0)
+      prism (~> 1.0)
+    sorbet (0.6.13354)
+      sorbet-static (= 0.6.13354)
+    sorbet-runtime (0.6.13354)
+    sorbet-static (0.6.13354-universal-darwin)
+    sorbet-static (0.6.13354-x86_64-linux)
+    sorbet-static-and-runtime (0.6.13354)
+      sorbet (= 0.6.13354)
+      sorbet-runtime (= 0.6.13354)
+    spoom (1.8.4)
       erubi (>= 1.10.0)
       prism (>= 0.28.0)
-      rbi (>= 0.3.14)
+      rbi (>= 0.3.15)
       rbs (>= 4.0.0.dev.5)
       rexml (>= 3.2.6)
       sorbet-static-and-runtime (>= 0.5.10187)
@@ -252,9 +274,11 @@ DEPENDENCIES
   pack_stats!
   pry
   rake
-  rspec (~> 3.0)
+  rspec
+  rubocop-gusto
+  rubocop-rubyfmt
   sorbet
   tapioca
 
 BUNDLED WITH
-   4.0.15
+  4.0.15

Rakefile

@@ -1,8 +1,9 @@
 # typed: ignore
+# frozen_string_literal: true
 
-require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
-task default: :spec
+task(default: :spec)

bin/tapioca

@@ -8,20 +8,7 @@
 # this file is here to facilitate running it.
 #
 
-require "pathname"
-ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
-
-bundle_binstub = File.expand_path("../bundle", __FILE__)
-
-if File.file?(bundle_binstub)
-  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
-    load(bundle_binstub)
-  else
-    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
-Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
-  end
-end
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
 
 require "rubygems"
 require "bundler/setup"