feat(android): Tauri 2.x mobile build infrastructure
Adds infrastructure for building the Tauri 2.x Android app (the pivot away from the Kotlin+JNI approach whose stack overflow / libcrypto TLS crash / thread lifecycle hell is documented in the incident report): - scripts/Dockerfile.android-builder: extended to support both the legacy Kotlin+JNI pipeline (cargo-ndk + Gradle) and the new Tauri mobile pipeline (tauri-cli + Node/npm). Adds Node.js 20 LTS, API level 36 + build-tools 35.0.0, and additional apt packages. - scripts/build-tauri-android.sh: fire-and-forget remote build via Docker on SepehrHomeserverdk, with ntfy.sh notifications and rustypaste upload of the resulting APK. Mirrors the pattern of build-tauri-android-docker.sh but targets the new Tauri pipeline. - docs/incident-tauri-android-init-tcb.md: postmortem of the Kotlin+JNI crash cascade that drove the Tauri mobile rewrite decision. Covers the __init_tcb / pthread_create bionic private symbol leak, the staticlib + cdylib crate-type interaction, the Dispatchers.IO 512 KB thread stack overflow, and the tokio runtime / libcrypto TLS race. - scripts/mint-tmux.sh, scripts/prep-linux-mint.sh: general dev infrastructure (tmux + Linux Mint workstation prep scripts). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Siavash Sameni
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scripts/build-tauri-android.sh
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253
scripts/build-tauri-android.sh
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#!/usr/bin/env bash
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set -euo pipefail
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# =============================================================================
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# WZ Phone — Tauri 2.x Mobile Android APK build
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#
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# Builds the desktop/ Tauri app as an Android APK via cargo-tauri inside the
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# wzp-android-builder Docker image on SepehrHomeserverdk. Uploads the APK to
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# rustypaste, fires ntfy.sh/wzp notifications at start + finish, and SCPs the
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# APK back locally.
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#
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# Same pattern as build-and-notify.sh but for the Tauri mobile pipeline:
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# - Source: desktop/src-tauri/ (not android/)
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# - Build: cargo tauri android build (not gradlew assembleDebug)
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# - Output: desktop/src-tauri/gen/android/.../*.apk
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#
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# Usage:
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# ./scripts/build-tauri-android.sh # full pipeline (debug)
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# ./scripts/build-tauri-android.sh --release # release APK
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# ./scripts/build-tauri-android.sh --no-pull # skip git fetch
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# ./scripts/build-tauri-android.sh --rust # force-clean rust target
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# ./scripts/build-tauri-android.sh --init # also run `cargo tauri android init`
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#
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# Environment:
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# WZP_BRANCH Branch to build (default: feat/desktop-audio-rewrite)
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# =============================================================================
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REMOTE_HOST="SepehrHomeserverdk"
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BASE_DIR="/mnt/storage/manBuilder"
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NTFY_TOPIC="https://ntfy.sh/wzp"
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LOCAL_OUTPUT="target/tauri-android-apk"
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BRANCH="${WZP_BRANCH:-feat/desktop-audio-rewrite}"
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SSH_OPTS="-o ConnectTimeout=15 -o ServerAliveInterval=15 -o ServerAliveCountMax=4 -o LogLevel=ERROR"
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REBUILD_RUST=0
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DO_PULL=1
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DO_INIT=0
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BUILD_RELEASE=0
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for arg in "$@"; do
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case "$arg" in
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--rust) REBUILD_RUST=1 ;;
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--pull) DO_PULL=1 ;;
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--no-pull) DO_PULL=0 ;;
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--init) DO_INIT=1 ;;
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--release) BUILD_RELEASE=1 ;;
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-h|--help)
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sed -n '3,30p' "$0"
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exit 0
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;;
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esac
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done
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log() { echo -e "\033[1;36m>>> $*\033[0m"; }
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ssh_cmd() { ssh -A $SSH_OPTS "$REMOTE_HOST" "$@"; }
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notify_local() { curl -s -d "$1" "$NTFY_TOPIC" > /dev/null 2>&1 || true; }
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mkdir -p "$LOCAL_OUTPUT"
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log "Uploading remote build script..."
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ssh_cmd "cat > /tmp/wzp-tauri-build.sh" <<'REMOTE_SCRIPT'
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#!/usr/bin/env bash
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set -euo pipefail
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BASE_DIR="/mnt/storage/manBuilder"
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NTFY_TOPIC="https://ntfy.sh/wzp"
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BRANCH="${1:-feat/desktop-audio-rewrite}"
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DO_PULL="${2:-1}"
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REBUILD_RUST="${3:-0}"
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DO_INIT="${4:-0}"
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BUILD_RELEASE="${5:-0}"
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LOG_FILE=/tmp/wzp-tauri-build.log
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GIT_HASH="unknown" # populated after fetch
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ENV_FILE="$BASE_DIR/.env"
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notify() { curl -s -d "$1" "$NTFY_TOPIC" > /dev/null 2>&1 || true; }
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# Upload a file to rustypaste; print URL on stdout (or empty on failure).
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upload_to_rustypaste() {
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local file="$1"
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[ ! -f "$ENV_FILE" ] && { echo ""; return; }
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# shellcheck disable=SC1090
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source "$ENV_FILE"
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if [ -n "${rusty_address:-}" ] && [ -n "${rusty_auth_token:-}" ]; then
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curl -s -F "file=@$file" -H "Authorization: $rusty_auth_token" "$rusty_address" || echo ""
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else
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echo ""
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fi
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}
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# On failure: upload the build log to rustypaste, then notify with hash + url.
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on_error() {
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local line="$1"
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local log_url
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log_url=$(upload_to_rustypaste "$LOG_FILE" || echo "")
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if [ -n "$log_url" ]; then
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notify "WZP Tauri Android build FAILED [$GIT_HASH] (line $line)
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log: $log_url"
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else
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notify "WZP Tauri Android build FAILED [$GIT_HASH] (line $line) — log upload failed, see $LOG_FILE on remote"
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fi
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}
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trap 'on_error $LINENO' ERR
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exec > >(tee "$LOG_FILE") 2>&1
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if [ "$DO_PULL" = "1" ]; then
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echo ">>> git fetch + reset $BRANCH"
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cd "$BASE_DIR/data/source"
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git reset --hard HEAD 2>/dev/null || true
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# NOTE: deliberately do NOT run `git clean -fd` here. It would wipe the
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# tauri-generated `desktop/src-tauri/gen/android/` scaffold (gradlew,
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# settings.gradle, etc.) which is expensive to recreate and breaks
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# subsequent builds with "gradlew not found".
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git gc --prune=now 2>/dev/null || true
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git fetch origin "$BRANCH" 2>&1 | tail -3
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git checkout "$BRANCH" 2>/dev/null || git checkout -b "$BRANCH" "origin/$BRANCH"
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git reset --hard "origin/$BRANCH"
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git submodule update --init || true
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fi
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GIT_HASH=$(cd "$BASE_DIR/data/source" && git rev-parse --short HEAD 2>/dev/null || echo unknown)
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GIT_MSG=$(cd "$BASE_DIR/data/source" && git log -1 --pretty=%s 2>/dev/null | head -c 60 || echo "?")
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notify "WZP Tauri Android build STARTED [$GIT_HASH] — $GIT_MSG"
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# Fix perms so uid 1000 can write
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find "$BASE_DIR/data/source" "$BASE_DIR/data/cache" \
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! -user 1000 -o ! -group 1000 2>/dev/null | \
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xargs -r chown 1000:1000 2>/dev/null || true
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# Optionally clean rust target for android triples
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if [ "$REBUILD_RUST" = "1" ]; then
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echo ">>> Cleaning Rust android target dirs..."
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rm -rf "$BASE_DIR/data/cache/target/aarch64-linux-android" \
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"$BASE_DIR/data/cache/target/armv7-linux-androideabi" \
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"$BASE_DIR/data/cache/target/i686-linux-android" \
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"$BASE_DIR/data/cache/target/x86_64-linux-android"
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fi
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# Profile flag
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PROFILE_FLAG="--debug"
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[ "$BUILD_RELEASE" = "1" ] && PROFILE_FLAG=""
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# Persist ~/.android (where the auto-generated debug.keystore lives) so every
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# build is signed with the SAME key. Without this, every fresh container gets
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# a new debug keystore and `adb install -r` fails with INSTALL_FAILED_UPDATE_
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# INCOMPATIBLE because the signature changed.
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mkdir -p "$BASE_DIR/data/cache/android-home"
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chown 1000:1000 "$BASE_DIR/data/cache/android-home" 2>/dev/null || true
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docker run --rm \
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--user 1000:1000 \
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-e DO_INIT="$DO_INIT" \
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-e PROFILE_FLAG="$PROFILE_FLAG" \
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-v "$BASE_DIR/data/source:/build/source" \
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-v "$BASE_DIR/data/cache/cargo-registry:/home/builder/.cargo/registry" \
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-v "$BASE_DIR/data/cache/cargo-git:/home/builder/.cargo/git" \
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-v "$BASE_DIR/data/cache/target:/build/source/target" \
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-v "$BASE_DIR/data/cache/gradle:/home/builder/.gradle" \
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-v "$BASE_DIR/data/cache/android-home:/home/builder/.android" \
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wzp-android-builder \
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bash -c '
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set -euo pipefail
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cd /build/source/desktop
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echo ">>> npm install"
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npm install --silent 2>&1 | tail -5 || npm install 2>&1 | tail -20
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cd src-tauri
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# Run init if forced, OR if the gradle wrapper is missing. Just checking
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# for `gen/android` is not enough — Tauri creates a few subdirectories
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# during build (app/, buildSrc/, .gradle/) that survive a partial wipe and
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# would make a naive `[ ! -d gen/android ]` check return false even though
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# the build wrapper itself is gone.
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if [ "${DO_INIT}" = "1" ] || [ ! -x gen/android/gradlew ]; then
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echo ">>> cargo tauri android init"
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cargo tauri android init 2>&1 | tail -20
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fi
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# ─── wzp-native standalone cdylib (built with cargo-ndk, not cargo-tauri) ──
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# Produces libwzp_native.so which wzp-desktop dlopens at runtime via
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# libloading. Split exists because cargo-tauri`s linker wiring pulls
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# bionic private symbols into any cdylib with cc::Build C++, causing
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# __init_tcb+4 SIGSEGV. cargo-ndk uses the same linker path as the
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# legacy wzp-android crate which works.
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echo ">>> cargo ndk build -p wzp-native --release"
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JNI_ABI_DIR=gen/android/app/src/main/jniLibs/arm64-v8a
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mkdir -p "$JNI_ABI_DIR"
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(
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cd /build/source
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cargo ndk -t arm64-v8a -o desktop/src-tauri/gen/android/app/src/main/jniLibs \
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build --release -p wzp-native 2>&1 | tail -10
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)
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if [ -f "$JNI_ABI_DIR/libwzp_native.so" ]; then
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ls -lh "$JNI_ABI_DIR/libwzp_native.so"
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else
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echo ">>> WARNING: libwzp_native.so not produced"
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fi
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echo ">>> cargo tauri android build ${PROFILE_FLAG} --target aarch64 --apk"
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cargo tauri android build ${PROFILE_FLAG} --target aarch64 --apk
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echo ""
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echo ">>> Build artifacts:"
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find gen/android -name "*.apk" -exec ls -lh {} \; 2>/dev/null
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'
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# Locate the produced APK
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APK=$(find "$BASE_DIR/data/source/desktop/src-tauri/gen/android" -name "*.apk" -type f 2>/dev/null | head -1)
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if [ -z "$APK" ] || [ ! -f "$APK" ]; then
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LOG_URL=$(upload_to_rustypaste "$LOG_FILE" || echo "")
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if [ -n "$LOG_URL" ]; then
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notify "WZP Tauri Android build [$GIT_HASH]: no APK produced
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log: $LOG_URL"
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else
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notify "WZP Tauri Android build [$GIT_HASH]: no APK produced — log upload failed"
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fi
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exit 1
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fi
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APK_SIZE=$(du -h "$APK" | cut -f1)
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RUSTY_URL=$(upload_to_rustypaste "$APK" || echo "")
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if [ -n "$RUSTY_URL" ]; then
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notify "WZP Tauri Android build OK [$GIT_HASH] ($APK_SIZE)
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$RUSTY_URL"
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else
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notify "WZP Tauri Android build OK [$GIT_HASH] ($APK_SIZE) — rustypaste upload skipped"
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fi
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# Print path so the local script can grab it
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echo "APK_REMOTE_PATH=$APK"
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REMOTE_SCRIPT
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ssh_cmd "chmod +x /tmp/wzp-tauri-build.sh"
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notify_local "WZP Tauri Android build dispatched (branch=$BRANCH, release=$BUILD_RELEASE)"
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log "Triggering remote build (branch=$BRANCH)..."
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# Run; capture full output, last line is APK_REMOTE_PATH=...
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REMOTE_OUTPUT=$(ssh_cmd "/tmp/wzp-tauri-build.sh '$BRANCH' '$DO_PULL' '$REBUILD_RUST' '$DO_INIT' '$BUILD_RELEASE'" || true)
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echo "$REMOTE_OUTPUT" | tail -60
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APK_REMOTE=$(echo "$REMOTE_OUTPUT" | grep '^APK_REMOTE_PATH=' | tail -1 | cut -d= -f2-)
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if [ -n "$APK_REMOTE" ]; then
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log "Downloading APK to $LOCAL_OUTPUT/wzp-tauri.apk..."
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scp $SSH_OPTS "$REMOTE_HOST:$APK_REMOTE" "$LOCAL_OUTPUT/wzp-tauri.apk"
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echo " $LOCAL_OUTPUT/wzp-tauri.apk ($(du -h "$LOCAL_OUTPUT/wzp-tauri.apk" | cut -f1))"
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else
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log "No APK produced — see ntfy / remote log /tmp/wzp-tauri-build.log"
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exit 1
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fi
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