Add CI for example projects #37
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| name: ci | ||
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| on: | ||
| push: | ||
| branches: [main] | ||
| pull_request: | ||
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| permissions: | ||
| contents: read | ||
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| jobs: | ||
| build-examples: | ||
| name: Build ${{ matrix.os }} ${{ matrix.swift_version }} | ||
| strategy: | ||
| fail-fast: false | ||
| matrix: | ||
| #swift_version: ['nightly-main', '6.3'] | ||
|
There was a problem hiding this comment. commented-out nightly matrix is gonna rot if we forget about it (which... we will). either rip it out or promote it to a |
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| swift_version: ['6.3'] | ||
| sdk_triple: ['aarch64-unknown-linux-android28'] | ||
| ndk_version: ['r27d'] | ||
| os: ['ubuntu-latest', 'macos-latest'] | ||
| runs-on: ${{ matrix.os }} | ||
| env: | ||
| SDK_TRIPLE: ${{ matrix.sdk_triple }} | ||
| NDK_VERSION: ${{ matrix.ndk_version }} | ||
| SWIFT_VERSION: ${{ matrix.swift_version }} | ||
| steps: | ||
| - uses: actions/checkout@v6 | ||
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| - name: Set up JDK 25 | ||
| uses: actions/setup-java@v5 | ||
| with: | ||
| distribution: temurin | ||
| java-version: '25' | ||
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| - name: Install swiftly | ||
| run: | | ||
| set -euxo pipefail | ||
| if [[ "${RUNNER_OS}" == "Linux" ]]; then | ||
| sudo apt-get -yq install curl jq gpg unzip libcurl4-openssl-dev | ||
| ARCH="$(uname -m)" | ||
| curl -L -O --retry 3 "https://download.swift.org/swiftly/linux/swiftly-${ARCH}.tar.gz" | ||
| tar -xzf "swiftly-${ARCH}.tar.gz" | ||
| ./swiftly init \ | ||
| --assume-yes \ | ||
| --skip-install \ | ||
| --no-modify-profile \ | ||
| --quiet-shell-followup | ||
| rm -f "swiftly-${ARCH}.tar.gz" swiftly | ||
| # The example projects' Gradle scripts look for swiftly under | ||
| # $HOME/.local/share/swiftly/bin, which is also where the official | ||
| # installer puts it. Add it to PATH for subsequent steps. | ||
| echo "$HOME/.local/share/swiftly/bin" >> "$GITHUB_PATH" | ||
| "$HOME/.local/share/swiftly/bin/swiftly" --version | ||
| elif [[ "${RUNNER_OS}" == "macOS" ]]; then | ||
| curl -O https://download.swift.org/swiftly/darwin/swiftly.pkg && \ | ||
|
There was a problem hiding this comment. tiny style nit: you've got |
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| installer -pkg swiftly.pkg -target CurrentUserHomeDirectory && \ | ||
| ~/.swiftly/bin/swiftly init --quiet-shell-followup && \ | ||
| . "${SWIFTLY_HOME_DIR:-$HOME/.swiftly}/env.sh" && \ | ||
| hash -r | ||
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| echo "$HOME/.swiftly/bin" >> "$GITHUB_PATH" | ||
| "$HOME/.swiftly/bin/swiftly" --version | ||
| else | ||
| echo "Unknown OS: ${RUNNER_OS}" | ||
| exit 1 | ||
| fi | ||
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There was a problem hiding this comment. nit: quoting on |
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| - name: Install Android NDK | ||
|
There was a problem hiding this comment. no caching = every run re-downloads the NDK (~1GB) and the android swift SDK. that's a lot of bytes off download.swift.org and a couple of minutes off every CI run across both OSes. |
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| run: | | ||
| set -euxo pipefail | ||
| OS="$(uname -s | tr '[A-Z]' '[a-z]')" | ||
| curl -L -o ndk.zip --retry 3 "https://dl.google.com/android/repository/android-ndk-${NDK_VERSION}-${OS}.zip" | ||
| unzip -q ndk.zip -d "$HOME" | ||
| rm ndk.zip | ||
| echo "ANDROID_NDK_HOME=$HOME/android-ndk-${NDK_VERSION}" >> "$GITHUB_ENV" | ||
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| - name: Install Android Swift SDK and matching host toolchain | ||
| # Looks up the Android Swift SDK URL and checksum from the swift.org | ||
| # install API and installs it via `swift sdk install`. | ||
| run: | | ||
| set -euxo pipefail | ||
| case "$SWIFT_VERSION" in | ||
| nightly-*) | ||
| nightly_version="${SWIFT_VERSION#nightly-}" | ||
| sdk_json=$(curl -fsSL "https://www.swift.org/api/v1/install/dev/${nightly_version}/android-sdk.json") | ||
| snapshot_tag=$(echo "$sdk_json" | jq -r '.[0].dir') | ||
| sdk_checksum=$(echo "$sdk_json" | jq -r '.[0].checksum') | ||
| if [ "$nightly_version" = "main" ]; then | ||
| branch="development" | ||
| else | ||
| branch="swift-${nightly_version}-branch" | ||
| fi | ||
| sdk_url="https://download.swift.org/${branch}/android-sdk/${snapshot_tag}/${snapshot_tag}_android.artifactbundle.tar.gz" | ||
| ;; | ||
| *) | ||
| releases_json=$(curl -fsSL "https://www.swift.org/api/v1/install/releases.json") | ||
| # Pick the highest patch release whose name starts with the | ||
| # requested version (e.g. "6.3" -> "6.3.1" if it exists). | ||
| latest_version=$(echo "$releases_json" | jq -r --arg v "$SWIFT_VERSION" \ | ||
| '[.[] | select(.name | startswith($v))] | ||
| | sort_by(.name | split(".") | map(tonumber? // 0)) | ||
| | last | ||
| | .name') | ||
| if [ -z "$latest_version" ] || [ "$latest_version" = "null" ]; then | ||
| echo "Error: no Swift release matching '$SWIFT_VERSION' found in releases.json" >&2 | ||
| exit 1 | ||
| fi | ||
| sdk_checksum=$(echo "$releases_json" | jq -r --arg v "$latest_version" \ | ||
| '.[] | select(.name == $v) | .platforms[] | select(.platform == "android-sdk") | .checksum') | ||
| snapshot_tag="swift-${latest_version}-RELEASE" | ||
| sdk_url="https://download.swift.org/swift-${latest_version}-release/android-sdk/${snapshot_tag}/${snapshot_tag}_android.artifactbundle.tar.gz" | ||
| ;; | ||
| esac | ||
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| swift_install=${snapshot_tag} | ||
| # trim leading "swift-" and trailing "-RELEASE" | ||
| swift_install=${swift_install#swift-} | ||
| swift_install=${swift_install/-RELEASE/} | ||
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| echo "Installing Android Swift SDK and host toolchain" | ||
| echo " tag: $swift_install" | ||
| echo " url: $sdk_url" | ||
| echo " checksum: $sdk_checksum" | ||
| swiftly install "${swift_install}" | ||
| swift sdk install "$sdk_url" --checksum "$sdk_checksum" | ||
| swift sdk list | ||
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| # set environment variables used by swift-android.gradle.kts | ||
| echo "SWIFT_VERSION=${swift_install}" >> $GITHUB_ENV | ||
|
There was a problem hiding this comment. worth a one-liner comment here explaining that you're deliberately overwriting the matrix |
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| echo "SWIFT_ANDROID_SDK_VERSION=${snapshot_tag#swift-}_android" >> $GITHUB_ENV | ||
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| - name: Configure Swift Android SDK | ||
| run: | | ||
| set -euo pipefail | ||
| cd $HOME/.swiftpm/swift-sdks/*android*.artifactbundle || cd $HOME/.config/swiftpm/swift-sdks/*android*.artifactbundle || cd $HOME/Library/org.swift.swiftpm/swift-sdks/*android*.artifactbundle | ||
|
There was a problem hiding this comment. this safer pattern would be something like: shopt -s nullglob
candidates=(
"$HOME"/.swiftpm/swift-sdks/*android*.artifactbundle
"$HOME"/.config/swiftpm/swift-sdks/*android*.artifactbundle
"$HOME"/Library/org.swift.swiftpm/swift-sdks/*android*.artifactbundle
)
[[ ${#candidates[@]} -gt 0 ]] || { echo "no android SDK bundle found"; exit 1; }
cd "${candidates[0]}"or just parse |
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| # Link the SDK against the NDK we installed in the previous step. | ||
| # Someday we might not need this script, so gracefully skip it | ||
| # if it does not exist. | ||
| if [[ -x "./swift-android/scripts/setup-android-sdk.sh" ]]; then | ||
| "./swift-android/scripts/setup-android-sdk.sh" | ||
| fi | ||
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| - name: Publish swift-java packages to local Maven | ||
| # The hashing-lib, weather-lib, and hello-cpp-swift/swift-lib modules | ||
| # depend on org.swift.swiftkit:swiftkit-core:1.0-SNAPSHOT, which is not | ||
| # published to a public Maven repo. The hashing-lib README documents | ||
| # publishing it to mavenLocal from the swift-java checkout that | ||
| # SwiftPM resolves into .build/checkouts/swift-java. | ||
| working-directory: hello-swift-java/hashing-lib | ||
| run: | | ||
| set -euxo pipefail | ||
| swift package resolve | ||
| ./.build/checkouts/swift-java/gradlew \ | ||
| --project-dir .build/checkouts/swift-java \ | ||
| :SwiftKitCore:publishToMavenLocal | ||
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| - name: Build hello-swift-raw-jni APK | ||
| run: ./gradlew :hello-swift-raw-jni:assembleDebug --stacktrace | ||
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| - name: Build hello-swift-raw-jni-callback APK | ||
| run: ./gradlew :hello-swift-raw-jni-callback:assembleDebug --stacktrace | ||
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| - name: Build hello-swift-raw-jni-library | ||
| run: ./gradlew :hello-swift-raw-jni-library:assembleDebug --stacktrace | ||
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| - name: Build native-activity APK | ||
| run: ./gradlew :native-activity:assembleDebug --stacktrace | ||
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| - name: Build hello-swift-java APK | ||
| run: ./gradlew :hello-swift-java-hashing-app:assembleDebug --stacktrace | ||
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| - name: Build swift-java-weather-app APK | ||
| run: ./gradlew :swift-java-weather-app-weather-app:assembleDebug --stacktrace | ||
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| - name: Build hello-cpp-swift APK | ||
| run: | | ||
| cd hello-cpp-swift/cpp-lib | ||
|
There was a problem hiding this comment. micro-nit: |
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| ./build-android-static.sh | ||
| cd - | ||
| ./gradlew :hello-cpp-swift:app:assembleDebug --stacktrace | ||
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| - name: Summarize APK artifacts | ||
| if: always() | ||
| run: | | ||
| echo "## APK Artifacts (${{ matrix.os }} / swift:${{ matrix.swift_version }} / ${{ matrix.sdk_triple }})" >> "$GITHUB_STEP_SUMMARY" | ||
| echo "" >> "$GITHUB_STEP_SUMMARY" | ||
| echo "| Project | APK | Size |" >> "$GITHUB_STEP_SUMMARY" | ||
| echo "|---------|-----|------|" >> "$GITHUB_STEP_SUMMARY" | ||
| found=0 | ||
| while IFS= read -r apk; do | ||
| found=1 | ||
| # Derive a human-readable project name from the path | ||
| project=$(echo "$apk" | sed -E 's#^\./##; s#/build/outputs/.*##') | ||
| name=$(basename "$apk") | ||
| # Human-readable size (du -h works on both Linux and macOS) | ||
| size=$(du -h "$apk" | cut -f1 | tr -d '[:space:]') | ||
| echo "| \`$project\` | \`$name\` | $size |" >> "$GITHUB_STEP_SUMMARY" | ||
| done < <(find . -path '*/build/outputs/apk/*.apk' -type f | sort) | ||
| if [ "$found" -eq 0 ]; then | ||
| echo "| _(none)_ | — | — |" >> "$GITHUB_STEP_SUMMARY" | ||
| fi | ||
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| - name: Upload APK artifacts | ||
| if: always() | ||
| uses: actions/upload-artifact@v7 | ||
| with: | ||
| name: apks-${{ matrix.os }}-${{ matrix.swift_version }}-${{ matrix.sdk_triple }}-${{ matrix.ndk_version }} | ||
| path: '**/build/outputs/apk/**/*.apk' | ||
| if-no-files-found: warn | ||
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no
concurrency:group means rapid pushes to a PR branch queue up N redundant matrix runs. usual pattern for this repo would be something like:at the top of the workflow