Replace Libsass dependency with sass-embedded

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  - package-ecosystem: "bundler"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/build.yml

@@ -0,0 +1,100 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ruby
+        bundler-cache: true
+
+    - name: Lint
+      run: bundle exec rake rubocop
+
+  test:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        ruby-version: ['2.6', '2.7', '3.0', 'ruby', 'jruby']
+        exclude:
+          - os: windows-latest
+            ruby-version: jruby
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+
+    - name: Test
+      run: bundle exec rake test
+
+  test-vendor:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        ruby-version: ['2.6', '2.7', '3.0', 'ruby', 'jruby']
+        submodule:
+          - vendor/github.com/sass/sassc-rails
+          - vendor/github.com/twbs/bootstrap
+        exclude:
+          - os: windows-latest
+            ruby-version: jruby
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+
+    - name: Test
+      run: bundle exec rake git:submodule:test[${{matrix.submodule}}]
+
+  release:
+
+    if: github.event.repository.fork == false && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
+
+    needs: [lint, test, test-vendor]
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+        ssh-key: ${{ secrets.DEPLOY_KEY }}
+
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ruby
+
+    - name: Release
+      run: |
+        git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+        git config user.name github-actions[bot]
+        rake -f -r bundler/gem_tasks release gem_push=no

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+
+    if: github.event.repository.fork == false
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ruby
+
+    - name: Release
+      run: rake -f -r bundler/gem_tasks release
+      env:
+        GEM_HOST_API_KEY: ${{ secrets.GEM_HOST_API_KEY }}

.gitignore

@@ -9,10 +9,6 @@
 /spec/reports/
 /tmp/
 *.bundle
-*.so
-*.o
-*.a
 *.gem
-mkmf.log
 vendor/bundle
 /ext/Makefile

.rubocop.yml

@@ -0,0 +1,23 @@
+inherit_from: .rubocop_todo.yml
+
+require:
+  - rubocop-minitest
+  - rubocop-performance
+  - rubocop-rake
+
+AllCops:
+  Exclude:
+    - 'vendor/**/*'
+
+  TargetRubyVersion: 2.6
+
+  NewCops: enable
+
+Metrics:
+  Enabled: false
+
+Minitest/MultipleAssertions:
+  Enabled: false
+
+Style/Documentation:
+  Enabled: false