Create build.yml

Author: ecrousseau

.github/workflows/build.yml

@@ -0,0 +1,71 @@
+name: Build
+
+on:
+  push:
+    tags:
+      - "*.*.*"
+
+permissions:
+  actions: read
+  contents: write
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Validate tag format
+        run: |
+          echo "Using tag: ${{ github.ref_name }}"
+          if ! [[ "${{ github.ref_name }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            echo "Tag format is invalid. Expected semantic versioning (e.g., 1.2.3)."
+            exit 1
+          fi
+
+  macos:
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        arch:
+          - arm64
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: apple/swift-protobuf
+          ref: ${{ github.ref_name }}
+      - run: |
+          swift build -c release
+          mv .build/release/protoc-gen-swift protoc-gen-swift-macos-${{ matrix.arch }}
+      - uses: actions/upload-artifact@v4
+        with:
+          name: protoc-gen-swift-macos-${{ matrix.arch }}
+          path: protoc-gen-swift-macos-${{ matrix.arch }}
+  linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        arch:
+          - amd64
+          - arm64
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: apple/swift-protobuf
+          ref: ${{ github.ref_name }}
+      - run: |
+          swift build -c release
+          mv .build/release/protoc-gen-swift protoc-gen-swift-linux-${{ matrix.arch }}
+      - uses: actions/upload-artifact@v4
+        with:
+          name: protoc-gen-swift-linux-${{ matrix.arch }}
+          path: protoc-gen-swift-linux-${{ matrix.arch }}
+  release:
+    runs-on: ubuntu-latest
+    needs:
+      - macos
+      - linux
+    steps:
+      - uses: actions/download-artifact@v4
+      - run: ls -l; ls -l protoc-gen-swift-*
+      - uses: softprops/action-gh-release@c95fe1489396fe8a9eb87c0abf8aa5b2ef267fda
+        with:
+          files: '**/protoc-gen-swift-*'