[Upgrade] Rails 4.2 ➜ 7.1 | Ruby 2.5.9 ➜ Ruby 3.2.3 | Upgrade

.envrc

@@ -1,5 +1,22 @@
 # vim: ft=bash
 
 PATH_add bin
+PATH_add /opt/homebrew/bin
+
+pg_pkg=$(brew list -1 | grep postgresql | sort -n | tail -1)
+
+[[ -n ${pg_pkg} ]] && PATH_add /opt/homebrew/opt/${pg_pkg}/bin
+
+export brew_prefix="$(brew --prefix)"
+export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES
+
+export V8HOME=$(brew --prefix [email protected])
+
+export CFLAGS="-Wno-error=implicit-function-declaration -Wno-error=no-compound-token-split-by-macro"
+export CPPFLAGS="$CPPFLAGS -I ${brew_prefix}/include -I ${V8HOME}/include"
+export LDFLAGS="$LDFLAGS -L ${brew_prefix}/lib -L ${V8HOME}/lib"
+
+export RUBY_CPPFLAGS="$CPPFLAGS"
+export RUBY_CFLAGS="$CFLAGS"
 
 [[ -f .envrc.local ]] && source .envrc.local

.github/workflows/lint.yml

@@ -0,0 +1,26 @@
+# .github/workflows/main.yaml
+name: "TicketBooth CI: Lint"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  main:
+    name: RuboCop
+    runs-on: ubuntu-latest
+    steps:
+      - run: sudo apt-get update -yqq
+      - run: sudo apt-get install -yqq netcat libpq-dev
+
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2.3'
+          bundler-cache: true
+
+      - name: RuboCop
+        run: bin/rubocop --parallel

.github/workflows/rspec.yml

@@ -0,0 +1,68 @@
+# .github/workflows/main.yaml
+name: "TicketBooth CI: RSpec"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  main:
+    name: RSpec
+    runs-on: ubuntu-latest
+
+    # If you need DB like MySQL then define service below.
+    # Example for PostgreSQL and Redis can be found here:
+    # https://github.com/actions/example-services/tree/master/.github/workflows
+    services:
+      postgresql:
+        image: postgres
+        env:
+          POSTGRES_USER: "postgres"
+          POSTGRES_PASSWORD: ""
+          POSTGRES_HOST_AUTH_METHOD: "trust"
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+      redis:
+        image: redis
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: niden/actions-memcached@v7
+
+      - run: sudo sh -c 'echo "deb https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+      - run: wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+      - run: sudo apt-get update -yqq
+      - run: sudo apt-get install -yqq netcat libpq-dev postgresql-client-16
+
+      - name: "Verify Memcached is running"
+        run: echo -e "stats\nquit" | nc localhost 11211  | grep -e "accepting_conns 1" -q
+
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2.3'
+          bundler-cache: true
+
+      - name: "Create and migrate the DB"
+        run: |
+          bin/rails db:create
+          bin/rails db:migrate
+          bin/rails db:test:prepare
+
+      - name: "Run Rspec"
+        run: bundle exec rspec

.gitignore

@@ -2,7 +2,7 @@
 **/.DS_Store
 .idea
 .vscode
-/log
+/log/*.log
 /tmp
 
 # Ignore file uploads in development

.rspec

@@ -2,4 +2,4 @@
 --color
 --order rand
 --profile 5
---require spec_helper
+--require rails_helper

.rubocop.yml

@@ -2,111 +2,15 @@ inherit_from: .rubocop_todo.yml
 AllCops:
     NewCops: enable
 
-Gemspec/DateAssignment: # new in 1.10
-  Enabled: true
-Gemspec/RequireMFA: # new in 1.23
-  Enabled: true
-Layout/LineEndStringConcatenationIndentation: # new in 1.18
-  Enabled: true
-Layout/SpaceBeforeBrackets: # new in 1.7
-  Enabled: true
-Lint/AmbiguousAssignment: # new in 1.7
-  Enabled: true
-Lint/AmbiguousOperatorPrecedence: # new in 1.21
-  Enabled: true
-Lint/AmbiguousRange: # new in 1.19
-  Enabled: true
-Lint/DeprecatedConstants: # new in 1.8
-  Enabled: true
-Lint/DuplicateBranch: # new in 1.3
-  Enabled: true
-Lint/DuplicateRegexpCharacterClassElement: # new in 1.1
-  Enabled: true
-Lint/EmptyBlock: # new in 1.1
-  Enabled: true
-Lint/EmptyClass: # new in 1.3
-  Enabled: true
-Lint/EmptyInPattern: # new in 1.16
-  Enabled: true
-Lint/IncompatibleIoSelectWithFiberScheduler: # new in 1.21
-  Enabled: true
-Lint/LambdaWithoutLiteralBlock: # new in 1.8
-  Enabled: true
-Lint/NoReturnInBeginEndBlocks: # new in 1.2
-  Enabled: true
-Lint/NumberedParameterAssignment: # new in 1.9
-  Enabled: true
-Lint/OrAssignmentToConstant: # new in 1.9
-  Enabled: true
-Lint/RedundantDirGlobSort: # new in 1.8
-  Enabled: true
-Lint/RefinementImportMethods: # new in 1.27
-  Enabled: true
-Lint/RequireRelativeSelfPath: # new in 1.22
-  Enabled: true
-Lint/SymbolConversion: # new in 1.9
-  Enabled: true
-Lint/ToEnumArguments: # new in 1.1
-  Enabled: true
-Lint/TripleQuotes: # new in 1.9
-  Enabled: true
-Lint/UnexpectedBlockArity: # new in 1.5
-  Enabled: true
-Lint/UnmodifiedReduceAccumulator: # new in 1.1
-  Enabled: true
-Lint/UselessRuby2Keywords: # new in 1.23
-  Enabled: true
-Naming/BlockForwarding: # new in 1.24
-  Enabled: true
-Security/IoMethods: # new in 1.22
-  Enabled: true
-Style/ArgumentsForwarding: # new in 1.1
-  Enabled: true
-Style/CollectionCompact: # new in 1.2
-  Enabled: true
-Style/DocumentDynamicEvalDefinition: # new in 1.1
-  Enabled: true
-Style/EndlessMethod: # new in 1.8
-  Enabled: true
-Style/FileRead: # new in 1.24
-  Enabled: true
-Style/FileWrite: # new in 1.24
-  Enabled: true
-Style/HashConversion: # new in 1.10
-  Enabled: true
-Style/HashExcept: # new in 1.7
-  Enabled: true
-Style/IfWithBooleanLiteralBranches: # new in 1.9
-  Enabled: true
-Style/InPatternThen: # new in 1.16
-  Enabled: true
-Style/MapToHash: # new in 1.24
-  Enabled: true
-Style/MultilineInPatternThen: # new in 1.16
-  Enabled: true
-Style/NegatedIfElseCondition: # new in 1.2
-  Enabled: true
-Style/NestedFileDirname: # new in 1.26
-  Enabled: true
-Style/NilLambda: # new in 1.3
-  Enabled: true
-Style/NumberedParameters: # new in 1.22
-  Enabled: true
-Style/NumberedParametersLimit: # new in 1.22
-  Enabled: true
-Style/OpenStructUse: # new in 1.23
-  Enabled: true
-Style/QuotedSymbols: # new in 1.16
-  Enabled: true
-Style/RedundantArgument: # new in 1.4
-  Enabled: true
-Style/RedundantInitialize: # new in 1.27
-  Enabled: true
-Style/RedundantSelfAssignmentBranch: # new in 1.19
-  Enabled: true
-Style/SelectByRegexp: # new in 1.22
-  Enabled: true
-Style/StringChars: # new in 1.12
-  Enabled: true
-Style/SwapValues: # new in 1.1
-  Enabled: true 
+require:
+ - rubocop-factory_bot
+ - rubocop-rails
+ - rubocop-rake
+ - rubocop-rspec
+ - rubocop-rspec_rails
+
+Style/IfUnlessModifier:
+  Enabled: false
+
+RSpecRails/InferredSpecType:
+  Enabled: false