Add GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,80 @@
+name: Test
+on:
+  - push
+
+jobs:
+  test-darwin:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - "10.15"
+          - "11.0"
+        platform:
+          - x86_64
+          # arm64
+    name: Test (darwin)
+    runs-on: macos-${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Bundle
+        run: bundle install
+      - name: Compile
+        run: bundle exec rake compile
+      - name: Test
+        run: bundle exec rake test
+  test-linux:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - 2.4
+          - 2.5
+          - 2.6
+          - 2.7
+          - 3.0
+        platform:
+          - amd64
+          - arm64
+          # arm
+          # ppc64le
+          # s390x
+        libc:
+          - gnu
+          - musl
+    name: Build (linux)
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Enable ${{ matrix.platform }} platform
+        id: qemu
+        if: ${{ matrix.platform != 'amd64' }}
+        run: |
+          docker run --privileged --rm tonistiigi/binfmt:latest --install ${{ matrix.platform }} | tee platforms.json
+          echo "::set-output name=platforms::$(cat platforms.json)"
+      - name: Start container
+        id: container
+        run: |
+          case ${{ matrix.libc }} in
+            gnu)
+              echo 'ruby:${{ matrix.ruby }}'
+              ;;
+            musl)
+              echo 'ruby:${{ matrix.ruby }}-alpine'
+              ;;
+          esac > container_image
+          echo "::set-output name=image::$(cat container_image)"
+          docker run --rm -d -v "${PWD}":"${PWD}" -w "${PWD}" --platform linux/${{ matrix.platform }} $(cat container_image) /bin/sleep 64d | tee container_id
+          docker exec -w "${PWD}" $(cat container_id) uname -a
+          echo "::set-output name=id::$(cat container_id)"
+      - name: Install Alpine system dependencies
+        if: ${{ matrix.libc == 'musl' }}
+        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} apk add --no-cache build-base linux-headers bash python2 python3 git curl tar clang binutils-gold
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Bundle
+        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} bundle install
+      - name: Compile
+        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} bundle exec rake compile
+      - name: Test
+        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} bundle exec rake test