Update the gem to work with ruby 3.3 and switch to github actions

Fix `File.exists?` error -> `File.exist?` is now used

.github/workflows/build-and-test.yml

@@ -0,0 +1,38 @@
+name: Build & Test
+run-name:  Build & Test - ${{ github.ref_name }}
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+  version-check:
+    runs-on: ubuntu-latest
+    if: "!contains(github.ref, 'master')"
+    steps:
+      - name: Checkout commit
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Gem versioned correctly
+        shell: sh
+        run: |
+          CHANGED=$(git diff origin/master HEAD --name-only | grep 'lib/hellgrid') || exit 0
+          [[ -z "$CHANGED" ]] || (echo "$CHANGED" | grep 'version.rb') || exit 1
+
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3
+          bundler-cache: true
+
+      - name: Run tests
+        run: bundle exec rspec

.github/workflows/publish-gem.yml

@@ -0,0 +1,28 @@
+name: Deploy to RubyGems
+run-name: ${{ github.actor }} is publishing a new version
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish-gem:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'
+          bundler-cache: true
+
+      - name: Build gem
+        run: gem build hellgrid.gemspec
+
+      - name: Publish gem
+        env:
+          GEM_HOST_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
+        run: |
+          gem push hellgrid-*.gem

hellgrid.gemspec

@@ -22,5 +22,4 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'bundler', '>= 1.11.0', '< 3'
 
   s.add_development_dependency 'rspec', '~> 3.8.0'
-  s.add_development_dependency 'simplecov', '~> 0.16.0'
 end

lib/hellgrid/cli.rb

@@ -18,7 +18,7 @@ def start
         matrix = Hellgrid::Matrix.new
 
         Find.find(folder) do |path|
-          if File.directory?(path) && File.exists?(File.join(path, 'Gemfile.lock'))
+          if File.directory?(path) && File.exist?(File.join(path, 'Gemfile.lock'))
             matrix.add_project(Hellgrid::Project.new(folder, path))
             Find.prune unless recursive_search
           end

lib/hellgrid/version.rb

@@ -1,3 +1,3 @@
 module Hellgrid
-  VERSION = '0.3.5'
+  VERSION = '0.4.0'
 end

spec/spec_helper.rb

@@ -1,6 +1,3 @@
-require 'simplecov'
-SimpleCov.start
-
 require 'fileutils'
 require 'hellgrid'
 require 'hellgrid/project'