feat: add x86-linux-musl

ci: extract testing matrices for x86-linux gnu and musl

Author: flavorjones

.github/workflows/ci.yml

@@ -57,6 +57,7 @@ jobs:
             static: true
           - platform: x86-linux-gnu
             alias:    x86-linux
+          - platform: x86-linux-musl
           - platform: x86-mingw32
           - platform: x86_64-darwin
           - platform: x86_64-linux-gnu
@@ -254,6 +255,68 @@ jobs:
               ruby -rrcd_test -S rake test
             "
 
+  test_x86-linux-gnu:
+    name: x86-linux-gnu
+    needs: build_native_gem
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: ["3.3", "3.2", "3.1", "3.0", "2.7", "2.6", "2.5", "2.4"]
+        platform: [x86-linux]
+        include:
+          # ruby 3.0 and earlier ship rubygems < 3.2.33, so can't recognize the -gnu suffix
+          - ruby: "3.3"
+            platform: x86-linux-gnu
+          - ruby: "3.2"
+            platform: x86-linux-gnu
+          - ruby: "3.1"
+            platform: x86-linux-gnu
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download gem-${{ matrix.platform }}
+        uses: actions/download-artifact@v3
+        with:
+          name: gem-${{ matrix.platform }}
+      - name: Run tests
+        run: |
+          docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+          docker run --rm -v $PWD:/work -w /work \
+            --platform=linux/386 ruby:${{ matrix.ruby }} \
+            sh -c "
+              gem install --local *.gem --verbose &&
+              cd test/rcd_test/ &&
+              bundle install &&
+              ruby -rrcd_test -S rake test
+            "
+
+  test_x86-linux-musl:
+    name: x86-linux-musl
+    needs: build_native_gem
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: ["3.3", "3.2", "3.1", "3.0", "2.7"] # ruby:2.6-alpine and earlier ship with rubygems that doesn't recognize the -musl suffix
+        platform: [x86-linux-musl]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download gem-${{ matrix.platform }}
+        uses: actions/download-artifact@v3
+        with:
+          name: gem-${{ matrix.platform }}
+      - name: Run tests
+        run: |
+          docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+          docker run --rm -v $PWD:/work -w /work \
+            --platform=linux/386 ruby:${{ matrix.ruby }}-alpine \
+            sh -c "
+              gem install --local *.gem --verbose &&
+              cd test/rcd_test/ &&
+              bundle install &&
+              ruby -rrcd_test -S rake test
+            "
+
   test_native_gem:
     name: test native
     needs: build_native_gem

.gitignore

@@ -6,6 +6,7 @@
 /Dockerfile.mri.x64-mingw-ucrt
 /Dockerfile.mri.x64-mingw32
 /Dockerfile.mri.x86-linux-gnu
+/Dockerfile.mri.x86-linux-musl
 /Dockerfile.mri.x86-mingw32
 /Dockerfile.mri.x86_64-darwin
 /Dockerfile.mri.x86_64-linux-gnu

Rakefile

@@ -16,6 +16,7 @@ platforms = [
   ["x64-mingw-ucrt", "x86_64-w64-mingw32"],
   ["x64-mingw32", "x86_64-w64-mingw32"],
   ["x86-linux-gnu", "i686-redhat-linux-gnu"],
+  ["x86-linux-musl", "i686-unknown-linux-musl"],
   ["x86-mingw32", "i686-w64-mingw32"],
   ["x86_64-darwin", "x86_64-apple-darwin"],
   ["x86_64-linux-gnu", "x86_64-redhat-linux-gnu"],

test/rcd_test/Rakefile

@@ -28,6 +28,7 @@ else
       x64-mingw32
       x86-linux
       x86-linux-gnu
+      x86-linux-musl
       x86-mingw32
       x86_64-darwin
       x86_64-linux