Add remote build fallback to deploy script

scripts/deploy-server.sh

@@ -8,6 +8,7 @@ REMOTE_HOST="${BOSS_REMOTE_HOST:-${REMOTE_USER}@${REMOTE_HOSTNAME}}"
 REMOTE_DIR="${BOSS_REMOTE_DIR:-/opt/boss}"
 SSH_OPTS="-o StrictHostKeyChecking=no"
 KEYCHAIN_SERVICE="${BOSS_KEYCHAIN_SERVICE:-boss-server-debug-ssh}"
+BUILD_MODE="${BOSS_DEPLOY_BUILD_MODE:-auto}"
 
 resolve_password() {
   if [[ -n "${BOSS_SERVER_PASS:-}" ]]; then
@@ -36,23 +37,70 @@ else
   SSH_PREFIX=(ssh ${=SSH_OPTS})
 fi
 
-BOSS_RUNTIME_ROOT="$ROOT_DIR" BOSS_STATE_FILE="$ROOT_DIR/data/boss-state.json" npm run build
+run_local_build() {
+  BOSS_RUNTIME_ROOT="$ROOT_DIR" BOSS_STATE_FILE="$ROOT_DIR/data/boss-state.json" npm run build
+}
+
+use_remote_build=false
+build_log="$(mktemp)"
+cleanup() {
+  rm -f "$build_log"
+}
+trap cleanup EXIT
+
+case "$BUILD_MODE" in
+  local)
+    run_local_build
+    ;;
+  remote)
+    use_remote_build=true
+    ;;
+  auto|"")
+    if ! run_local_build 2>&1 | tee "$build_log"; then
+      if grep -q "ENOSPC" "$build_log"; then
+        echo "Local build hit ENOSPC, falling back to remote build." >&2
+        use_remote_build=true
+      else
+        exit 1
+      fi
+    fi
+    ;;
+  *)
+    echo "Unsupported BOSS_DEPLOY_BUILD_MODE: $BUILD_MODE" >&2
+    exit 1
+    ;;
+esac
 
 "${SSH_PREFIX[@]}" "$REMOTE_HOST" "sudo mkdir -p $REMOTE_DIR && sudo chown -R ${REMOTE_USER}:${REMOTE_USER} $REMOTE_DIR && sudo rm -rf $REMOTE_DIR/.next"
 
+RSYNC_EXCLUDES=(
+  --exclude ".git"
+  --exclude "node_modules"
+  --exclude "data/"
+  --exclude "android/app/build"
+  --exclude ".DS_Store"
+)
+
+if [[ "$use_remote_build" == true ]]; then
+  RSYNC_EXCLUDES+=(--exclude ".next")
+fi
+
 rsync -az --delete \
-  --exclude ".git" \
-  --exclude "node_modules" \
-  --exclude "data/" \
-  --exclude ".DS_Store" \
+  "${RSYNC_EXCLUDES[@]}" \
   -e "$RSYNC_RSH" \
   "$ROOT_DIR/" "$REMOTE_HOST:$REMOTE_DIR/"
 
+if [[ "$use_remote_build" == true ]]; then
+  REMOTE_INSTALL_AND_BUILD_CMD="npm install && BOSS_RUNTIME_ROOT=$REMOTE_DIR BOSS_STATE_FILE=$REMOTE_DIR/data/boss-state.json npm run build && npm prune --omit=dev"
+else
+  REMOTE_INSTALL_AND_BUILD_CMD="npm install --omit=dev"
+fi
+
 POST_SYNC_REMOTE_CMD="
 sudo bash $REMOTE_DIR/scripts/bootstrap-server.sh &&
 sudo chown -R ${REMOTE_USER}:${REMOTE_USER} $REMOTE_DIR &&
 cd $REMOTE_DIR &&
-npm install --omit=dev &&
+$REMOTE_INSTALL_AND_BUILD_CMD &&
 sudo systemctl restart boss-web &&
 sudo systemctl restart caddy &&
 sleep 2 &&