Add GHA workflow for creating releases with pre-built binaries

Author: kateinoigakukun

.github/workflows/release.yml

@@ -0,0 +1,67 @@
+name: Create Release
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+
+jobs:
+  build-macos:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v4
+      - run: ./Utilities/build-release.py -o wasmkit-x86_64-apple-macos.tar.gz -- --triple x86_64-apple-macos
+      - run: ./Utilities/build-release.py -o wasmkit-arm64-apple-macos.tar.gz  -- --triple arm64-apple-macos
+      - uses: actions/upload-artifact@v4
+        with:
+          name: release-wasmkit-x86_64-apple-macos
+          path: wasmkit-x86_64-apple-macos.tar.gz
+      - uses: actions/upload-artifact@v4
+        with:
+          name: release-wasmkit-arm64-apple-macos
+          path: wasmkit-arm64-apple-macos.tar.gz
+
+  build-musl:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Configure container
+        run: |
+          docker run -dit --name build-container -v $PWD:/workspace -w /workspace swift:6.0.1-jammy
+          echo 'docker exec -i build-container "$@"' > ./build-exec
+          chmod +x ./build-exec
+      - name: Install Static Linux SDK
+        run: ./build-exec swift sdk install "https://download.swift.org/swift-6.0.1-release/static-sdk/swift-6.0.1-RELEASE/swift-6.0.1-RELEASE_static-linux-0.0.1.artifactbundle.tar.gz" --checksum "d4f46ba40e11e697387468e18987ee622908bc350310d8af54eb5e17c2ff5481"
+
+      - run: ./build-exec ./Utilities/build-release.py -o wasmkit-x86_64-swift-linux-musl.tar.gz  -- --swift-sdk x86_64-swift-linux-musl
+      - run: ./build-exec ./Utilities/build-release.py -o wasmkit-aarch64-swift-linux-musl.tar.gz -- --swift-sdk aarch64-swift-linux-musl
+      - uses: actions/upload-artifact@v4
+        with:
+          name: release-wasmkit-x86_64-swift-linux-musl
+          path: wasmkit-x86_64-swift-linux-musl.tar.gz
+      - uses: actions/upload-artifact@v4
+        with:
+          name: release-wasmkit-aarch64-swift-linux-musl
+          path: wasmkit-aarch64-swift-linux-musl.tar.gz
+
+  create-release:
+    needs:
+      - build-macos
+      - build-musl
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: release-wasmkit-*
+          path: ./release/
+      - name: Create Release
+        run: |
+          VERSION=$(echo ${{ github.ref_name }} | sed 's/^v//')
+          echo "Creating release $VERSION"
+          gh release create $VERSION --title $VERSION --notes "Release $VERSION" ./release/release-wasmkit-*/wasmkit-*.tar.gz
+        env:
+          GH_TOKEN: ${{ github.token }}

Utilities/build-release.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+#
+# Builds the release tarball of the wasmkit binary
+
+import os
+import sys
+import subprocess
+import shutil
+import tarfile
+
+SOURCE_ROOT = os.path.relpath(os.path.join(os.path.dirname(__file__), ".."))
+
+def run(arguments):
+    print("Running: " + " ".join(arguments))
+    subprocess.run(arguments, check=True)
+
+def main():
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-o", "--output", required=True)
+    parser.add_argument("extra_build_args", nargs="*")
+    
+    args = parser.parse_args()
+
+    build_args = ["swift", "build", "-c", "release", "--product", "wasmkit-cli", "--package-path", SOURCE_ROOT] + args.extra_build_args
+    bin_path = subprocess.check_output(build_args + ["--show-bin-path"], text=True).strip()
+
+    run(build_args)
+
+    if not args.output.endswith(".tar.gz"):
+        raise ValueError("Output file name must end with .tar.gz")
+    archive_path = args.output[:-len(".tar.gz")]
+    shutil.rmtree(archive_path, ignore_errors=True)
+    os.makedirs(archive_path)
+
+    dest_exe_path = os.path.join(archive_path, "wasmkit")
+    shutil.copy(os.path.join(bin_path, "wasmkit-cli"), dest_exe_path)
+
+    with tarfile.open(args.output, "w:gz") as tar:
+        tar.add(archive_path, arcname=os.path.basename(archive_path))
+
+    print(f"Release binary is available at {args.output}")
+
+if __name__ == "__main__":
+    main()