anchor.diff:   && make && install -o root -g root -m 744 memcached /usr/bin \
    && cd .. \
    # Cleanup
  - && rm    cyrus-sasl-$SASL_VERSION-$SASL_RC.tar.gz \
  + && rm    cyrus-sasl-"${SASL_VERSION}".tar.gz \
    && rm    libevent-$LIBEVENT_VERSION.tar.gz \
    && rm    $MEMCACHED_VERSION.tar.gz \
    && rm -r cyrus-sasl-$SASL_VERSION \
  
positive.code: # it's not bad for the image.
  ENV SASL_VERSION 2.1.27
  
  ENV SASL_RC rc7
  
  ENV SASL_DOWNLOAD_URL ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-$SASL_VERSION-$SASL_RC.tar.gz
  
  ENV LIBEVENT_VERSION 2.1.8-stable
  
  
negative.code:  && mkdir -p /opt/homemade \
   && cd \
   # Build Cyrus SASL
   && curl -OL $SASL_DOWNLOAD_URL \
   && tar xzvf cyrus-sasl-"${SASL_VERSION}".tar.gz \
   && cd cyrus-sasl-$SASL_VERSION \
   # https://git.alpinelinux.org/cgit/aports/tree/main/cyrus-sasl/APKBUILD?h=3.7-stable#n47
   && ./configure --prefix=/opt/homemade \
  