doc(README): refresh badges

.github/config/rubocop_linter_action.yml

@@ -0,0 +1,9 @@
+versions:
+  - rubocop-md
+  - rubocop-performance
+  - rubocop-rake
+  - rubocop-thread_safety
+
+rubocop_fail_level: warning
+check_scope: modified
+base_branch: origin/main

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  push:
+    paths:
+      - ".github/workflows/ci.yml"
+      - "lib/**"
+      - "*.gemspec"
+      - "spec/**"
+      - "Rakefile"
+      - "Gemfile"
+  pull_request:
+    branches:
+      - main
+  create:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+          - "3.0"
+          - "2.7"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run unit tests
+        run: bundle exec rake test

.github/workflows/rubocop.yml

@@ -0,0 +1,14 @@
+name: RuboCop
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: RuboCop Linter Action
+      uses: andrewmcodes/rubocop-linter-action@v3.3.0
+
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1,10 +1,63 @@
-/.bundle/
-/.ruby-version
-/.yardoc
-/Gemfile.lock
-/_yardoc/
+*.gem
+*.rbc
+/.config
 /coverage/
-/doc/
+/InstalledFiles
 /pkg/
 /spec/reports/
+/spec/examples.txt
+/test/tmp/
+/test/version_tmp/
 /tmp/
+.DS_Store
+
+# Used by dotenv library to load environment variables.
+# .env
+
+# Ignore IRB command history file.
+.irb_history
+
+# Ignore Byebug command history file.
+.byebug_history
+
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
+*.bridgesupport
+build-iPhoneOS/
+build-iPhoneSimulator/
+
+## Specific to RubyMotion (use of CocoaPods):
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# vendor/Pods/
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+
+## Environment normalization:
+/.bundle/
+/vendor/bundle
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+# Gemfile.lock
+# .ruby-version
+# .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+# Used by RuboCop. Remote config files pulled in from inherit_from directive.
+# .rubocop-https?--*
+
+# rspec failure tracking
+.rspec_status

.rubocop.yml

@@ -1 +1,27 @@
 inherit_from: .rubocop_todo.yml
+
+AllCops:
+  NewCops: enable
+  TargetRubyVersion: 2.7
+
+  Exclude:
+    - test/**/*.rb
+
+require:
+  - rubocop-md
+  - rubocop-performance
+  - rubocop-rake
+  - rubocop-thread_safety
+
+# Enforcing double quotes reduces the times where you need to switch to Crystal.
+Style/StringLiterals:
+  EnforcedStyle: double_quotes
+
+# We do not need to support Ruby 1.9, so this is good to use.
+Style/SymbolArray:
+  Enabled: true
+
+# Most readable form.
+Layout/HashAlignment:
+  EnforcedHashRocketStyle: table
+  EnforcedColonStyle: table

.rubocop_todo.yml

@@ -1,30 +1,23 @@
 # This configuration was generated by
-# `rubocop --auto-gen-config`
-# on 2018-08-26 22:27:30 +0200 using RuboCop version 0.58.2.
+# `rubocop --auto-gen-config --no-auto-gen-timestamp`
+# using RuboCop version 1.18.0.
 # 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: 1
-# Cop supports --auto-correct.
-# Configuration parameters: Include, TreatCommentsAsGroupSeparators.
-# Include: **/*.gemspec
-Gemspec/OrderedDependencies:
-  Exclude:
-    - 'fix-command.gemspec'
-
-# Offense count: 4
+# Offense count: 3
+# Configuration parameters: IgnoredMethods, CountRepeatedAttributes.
 Metrics/AbcSize:
-  Max: 32
+  Max: 42
 
 # Offense count: 1
-# Configuration parameters: CountComments.
+# Configuration parameters: CountComments, CountAsOne.
 Metrics/ClassLength:
   Max: 127
 
 # Offense count: 3
-# Configuration parameters: CountComments.
+# Configuration parameters: CountComments, CountAsOne, ExcludedMethods, IgnoredMethods.
 Metrics/MethodLength:
   Max: 49
 
@@ -40,29 +33,8 @@ Style/IfUnlessModifier:
   Exclude:
     - 'lib/fix/command.rb'
 
-# Offense count: 3
-Style/MixinUsage:
-  Exclude:
-    - 'test/command/test_help.rb'
-    - 'test/command/test_process_args.rb'
-    - 'test/command/test_version.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: Whitelist.
-# Whitelist: be, be_a, be_an, be_between, be_falsey, be_kind_of, be_instance_of, be_truthy, be_within, eq, eql, end_with, include, match, raise_error, respond_to, start_with
-Style/NestedParenthesizedCalls:
-  Exclude:
-    - 'test/command/test_version.rb'
-
 # Offense count: 1
 # Cop supports --auto-correct.
 Style/RedundantBegin:
   Exclude:
     - 'lib/fix/command.rb'
-
-# Offense count: 12
-# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
-# URISchemes: http, https
-Metrics/LineLength:
-  Max: 104

.ruby-version

@@ -0,0 +1 @@
+2.7.3

Gemfile

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 gemspec

Gemfile.lock

@@ -0,0 +1,77 @@
+PATH
+  remote: .
+  specs:
+    fix-command (0.5.4)
+      fix (~> 0.18.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    aw (0.1.12)
+    defi (1.1.5)
+    docile (1.4.0)
+    fix (0.18.2)
+      aw (~> 0.1.6)
+      defi (~> 1.1.5)
+      spectus (~> 3.0.9)
+    matchi (1.0.8)
+    parallel (1.20.1)
+    parser (3.0.1.1)
+      ast (~> 2.4.1)
+    rainbow (3.0.0)
+    rake (13.0.3)
+    regexp_parser (2.1.1)
+    rexml (3.2.5)
+    rubocop (1.18.0)
+      parallel (~> 1.10)
+      parser (>= 3.0.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml
+      rubocop-ast (>= 1.7.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.7.0)
+      parser (>= 3.0.1.1)
+    rubocop-md (1.0.1)
+      rubocop (>= 1.0)
+    rubocop-performance (1.11.3)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
+    rubocop-thread_safety (0.4.2)
+      rubocop (>= 0.53.0)
+    ruby-progressbar (1.11.0)
+    simplecov (0.21.2)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.3)
+    spectus (3.0.10)
+      aw (~> 0.1.6)
+      defi (~> 1.1.5)
+      matchi (~> 1.0.4)
+    unicode-display_width (2.0.0)
+    yard (0.9.26)
+
+PLATFORMS
+  x86_64-darwin-18
+  x86_64-darwin-19
+
+DEPENDENCIES
+  bundler
+  fix-command!
+  rake
+  rubocop-md
+  rubocop-performance
+  rubocop-rake
+  rubocop-thread_safety
+  simplecov
+  spectus
+  yard
+
+BUNDLED WITH
+   2.2.17

LICENSE.md

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2019 Cyril Kato
+Copyright (c) 2015-2021 Cyril Kato
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal