feat: adopt the Swift 6 language mode #70
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| name: Build | Xcode Preview (Beta) | |
| # Early warning for the next Xcode release. | |
| # | |
| # Runs against the `xcode-27` preview runner image, which ships a single beta | |
| # Xcode as the image default. It deliberately does not use the | |
| # get_platform_parameters composite action: that action allowlists only the Xcode | |
| # versions Amplify Swift officially supports, and a beta is outside that set by | |
| # design. | |
| # | |
| # Advisory and non-blocking. Every job sets continue-on-error, so breakages from | |
| # the next Xcode surface on the PR that introduces them without ever gating a | |
| # merge. A beta toolchain on a capacity-constrained preview image is not a | |
| # suitable required check. | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| push: | |
| branches: | |
| - main | |
| workflow_dispatch: | |
| permissions: | |
| contents: read | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }} | |
| cancel-in-progress: ${{ github.ref_name != 'main' }} | |
| jobs: | |
| detect: | |
| name: Detect affected targets | |
| runs-on: macos-15 | |
| outputs: | |
| build: ${{ steps.sel.outputs.build }} | |
| steps: | |
| - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1 | |
| with: | |
| persist-credentials: false | |
| fetch-depth: 0 | |
| - id: sel | |
| run: | | |
| # Build unless the change is confined to non-source paths. Pushes to main (post-merge) | |
| # and manual dispatch always build. | |
| if [ "${{ github.event_name }}" != "pull_request" ]; then | |
| echo "build=true" >> "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| base='${{ github.event.pull_request.base.ref }}' | |
| git fetch --no-tags origin "$base" || true | |
| git diff --name-only "$(git merge-base HEAD "origin/$base")" HEAD > /tmp/changed.txt | |
| swift package dump-package > /tmp/package.json | |
| sel=$(python3 scripts/python/affected_targets.py \ | |
| --package /tmp/package.json --changed /tmp/changed.txt \ | |
| --groups scripts/python/unit_test_groups.json | grep '^selected=' | cut -d= -f2-) | |
| [ "$sel" = "[]" ] && echo "build=false" >> "$GITHUB_OUTPUT" || echo "build=true" >> "$GITHUB_OUTPUT" | |
| build: | |
| name: ${{ matrix.platform }} on Xcode preview | |
| needs: detect | |
| if: ${{ needs.detect.outputs.build == 'true' }} | |
| runs-on: xcode-27 | |
| continue-on-error: true | |
| timeout-minutes: 60 | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: | |
| - platform: macOS | |
| destination: 'platform=macOS,arch=arm64' | |
| - platform: iOS | |
| # Generic rather than a named device: the preview image's simulator | |
| # lineup changes between beta rollouts, so a pinned device name is a | |
| # guaranteed future break. Generic cannot boot a simulator, so this | |
| # leg builds rather than tests. | |
| destination: 'generic/platform=iOS Simulator' | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1 | |
| with: | |
| persist-credentials: false | |
| - name: Report the toolchain under test | |
| run: | | |
| # Use the image default Xcode rather than a hardcoded path — the beta | |
| # version string changes between image rollouts. | |
| xcodebuild -version | |
| swift --version | |
| # Same reasoning as the run_xcodebuild* composite actions: resolve as its | |
| # own bounded, retried step so a slow fetch cannot look like a hang. | |
| - name: Resolve package dependencies | |
| env: | |
| RESOLVE_TIMEOUT_SECONDS: '1500' | |
| run: | | |
| set -o pipefail | |
| resolve_bounded() { | |
| xcodebuild -resolvePackageDependencies -scheme Amplify-Package & | |
| local pid=$! | |
| ( sleep "$RESOLVE_TIMEOUT_SECONDS"; kill -9 "$pid" 2>/dev/null ) & | |
| local watchdog=$! | |
| wait "$pid" | |
| local status=$? | |
| kill "$watchdog" 2>/dev/null || true | |
| wait "$watchdog" 2>/dev/null || true | |
| return $status | |
| } | |
| for attempt in 1 2; do | |
| echo "::group::Resolving package dependencies (attempt $attempt of 2)" | |
| if resolve_bounded; then | |
| echo "::endgroup::" | |
| exit 0 | |
| fi | |
| echo "::endgroup::" | |
| echo "Attempt $attempt failed or timed out." | |
| done | |
| echo "::error::Could not resolve package dependencies." | |
| exit 1 | |
| - name: Build Amplify Swift for ${{ matrix.platform }} | |
| run: | | |
| set -o pipefail | |
| # xcbeautify is preinstalled on the standard macOS images but the preview | |
| # image is built separately, so fall back to raw output rather than | |
| # failing on a missing formatter. | |
| if command -v xcbeautify >/dev/null 2>&1; then | |
| formatter=(xcbeautify --renderer github-actions) | |
| else | |
| echo "xcbeautify not present on this image; using raw xcodebuild output." | |
| formatter=(cat) | |
| fi | |
| xcodebuild build \ | |
| -scheme Amplify-Package \ | |
| -destination '${{ matrix.destination }}' \ | |
| -skipPackagePluginValidation \ | |
| -disableAutomaticPackageResolution \ | |
| | "${formatter[@]}" && exit ${PIPESTATUS[0]} | |
| report: | |
| name: Report Preview Status | |
| runs-on: ubuntu-latest | |
| if: ${{ !cancelled() }} | |
| needs: [ detect, build ] | |
| steps: | |
| - name: Summarize | |
| run: | | |
| RESULT="${{ needs.build.result }}" | |
| if [ "$RESULT" = "success" ]; then | |
| echo "Amplify Swift builds cleanly on the Xcode preview toolchain." >> $GITHUB_STEP_SUMMARY | |
| else | |
| echo "Amplify Swift hit failures on the Xcode preview toolchain (result: $RESULT)." >> $GITHUB_STEP_SUMMARY | |
| echo "This is advisory only and does not block this PR. Investigate before the next Xcode reaches GA." >> $GITHUB_STEP_SUMMARY | |
| fi |