109 lines
4.6 KiB
Bash
Executable File
109 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
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# Builds the Rust cdylib with cargo-ndk, packages it with Gradle, and
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# verifies the resulting APK.
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#
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# Usage: ./build-apk.sh [debug|release] [--abi arm64-v8a|x86_64] [--features "a b c"]
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# debug/release default to debug (matches this-machine-android's "the
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# emulator stays on debug" rule -- pass `release` explicitly for a phone
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# build). --abi defaults to arm64-v8a (a phone/real device); pass
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# x86_64 for this checkout's own AVD. --features defaults to
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# "screens". Pass "screens bench" for the retained benchmark app. Never
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# force GLES for a phone or emulator build; Iris's
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# runtime selects the available hardware backend.
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set -eu
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cd "$(dirname "$0")"
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BUILD_TYPE="debug"
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ABI="arm64-v8a"
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FEATURES="screens"
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case "${1:-}" in
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debug|release) BUILD_TYPE="$1"; shift ;;
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esac
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while [ $# -gt 0 ]; do
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case "$1" in
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--abi) ABI="$2"; shift 2 ;;
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--features) FEATURES="$2"; shift 2 ;;
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*) echo "build-apk.sh: unknown argument: $1" >&2; exit 1 ;;
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esac
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done
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SDK_ROOT="$HOME/Android/Sdk"
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export ANDROID_HOME="$SDK_ROOT"
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export ANDROID_SDK_ROOT="$SDK_ROOT"
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NDK_DIR=$(ls -d "$SDK_ROOT"/ndk/*/ 2>/dev/null | sort -V | tail -1)
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if [ -z "$NDK_DIR" ]; then
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echo "build-apk.sh: no NDK found under $SDK_ROOT/ndk" >&2
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exit 1
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fi
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export ANDROID_NDK_HOME="$NDK_DIR"
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# Only the ABI asked for goes into the APK. cargo ndk adds its output beside
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# whatever earlier builds left here, and Gradle packages every directory it
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# finds -- a debug x86_64 emulator build left behind made an arm64 "release"
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# 339 MB on 2026-09-06.
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rm -rf android-project/app/src/main/jniLibs
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# ...and Gradle's own copy of them, which `rm -rf jniLibs` does not reach.
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# `mergeReleaseNativeLibs` is *up to date* against its cached inputs, so a
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# build that switches ABI packages the previous ABI: an `--abi x86_64`
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# release APK containing `lib/arm64-v8a/libmain.so` installed fine and
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# aborted at startup with `Could not get adapter!: NotFound {
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# active_backends: VULKAN }` under libndk_translation -- which reads
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# exactly like the phone's own Vulkan problem and is nothing of the kind.
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# Scoped to the merge task's directory rather than all of `app/build`, so
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# an ABI change costs the native merge and not the whole Gradle build.
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rm -rf android-project/app/build/intermediates/merged_native_libs \
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android-project/app/build/intermediates/stripped_native_libs \
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android-project/app/build/intermediates/merged_jni_libs
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echo "build-apk.sh: cargo ndk -t $ABI build ${BUILD_TYPE:+(${BUILD_TYPE})} --features \"$FEATURES\""
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if [ "$BUILD_TYPE" = "release" ]; then
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cargo ndk -t "$ABI" -P 29 -o android-project/app/src/main/jniLibs/ build --lib \
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--profile android-release --no-default-features --features "$FEATURES"
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else
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cargo ndk -t "$ABI" -P 29 -o android-project/app/src/main/jniLibs/ build --lib \
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--profile android-dev --no-default-features --features "$FEATURES"
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fi
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GRADLE_TASK="assembleDebug"
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APK_DIR="android-project/app/build/outputs/apk/debug"
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APK_NAME="app-debug.apk"
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if [ "$BUILD_TYPE" = "release" ]; then
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GRADLE_TASK="assembleRelease"
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APK_DIR="android-project/app/build/outputs/apk/release"
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APK_NAME="app-release.apk"
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export AI_APP_KEYSTORE="${XDG_CONFIG_HOME:-$HOME/.config}/ai-app/release.jks"
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if [ ! -f "$AI_APP_KEYSTORE" ]; then
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KEYTOOL="${JAVA_HOME:+$JAVA_HOME/bin/keytool}"
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KEYTOOL="${KEYTOOL:-keytool}"
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if ! command -v "$KEYTOOL" >/dev/null 2>&1; then
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echo "build-apk.sh: no release key and no keytool to create one" >&2
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exit 1
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fi
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mkdir -p "$(dirname "$AI_APP_KEYSTORE")"
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AI_APP_KEYSTORE_PASSWORD=$(head -c 24 /dev/urandom | base64 | tr -d '/+=')
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(umask 077 && printf '%s\n' "$AI_APP_KEYSTORE_PASSWORD" > "$AI_APP_KEYSTORE.password")
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(umask 077 && "$KEYTOOL" -genkeypair -keystore "$AI_APP_KEYSTORE" \
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-alias ai-app -keyalg RSA -keysize 2048 -validity 10000 \
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-storepass "$AI_APP_KEYSTORE_PASSWORD" -keypass "$AI_APP_KEYSTORE_PASSWORD" \
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-dname "CN=ai-app" >/dev/null 2>&1)
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fi
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export AI_APP_KEYSTORE_PASSWORD
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AI_APP_KEYSTORE_PASSWORD=$(cat "$AI_APP_KEYSTORE.password")
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fi
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unset AI_APP_BENCH
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case " $FEATURES " in
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*" bench "*) export AI_APP_BENCH=1 ;;
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esac
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(cd android-project && gradle ":app:$GRADLE_TASK" --console=plain)
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APK_PATH="$(pwd)/$APK_DIR/$APK_NAME"
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BUILD_TOOLS=$(ls -d "$SDK_ROOT"/build-tools/*/ | sort -V | tail -1)
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echo "--- aapt2 dump badging ---"
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"${BUILD_TOOLS}aapt2" dump badging "$APK_PATH" | head -5
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if [ "$BUILD_TYPE" = "release" ]; then
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echo "--- apksigner verify ---"
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"${BUILD_TOOLS}apksigner" verify --print-certs "$APK_PATH"
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fi
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echo "$APK_PATH"
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