anchor.diff:              | sort -u \
               | awk 'system("[ -e /usr/local/lib" $1 " ]") == 0 { next } { print "so:" $1 }' \
       )" \
  -    && apk add --virtual .node-runtime-deps $nodeRuntimeDeps python \
  +    && apk add --virtual .node-runtime-deps $nodeRuntimeDeps \
       && apk del .build-deps \
       \
       && rm -rf /var/cache/apk/* \
  
positive.code: # author info
  MAINTAINER Wang <shadowman@shellboot.com>
  
  # China mirrors and create www-user
  RUN set -x \
      && country=`wget -T1 -q -O- google.com 2>&1 | sed -nr 's/.*(timed\ out).*/China/p'` \
      && if [ "$country" == "China" ]; then \
  
negative.code:     && ./configure \
          --prefix="$NODE_HOME" \
          \
          --without-npm \
      \
      && make -j "$(getconf _NPROCESSORS_ONLN)" \
  