anchor.diff:  
   WORKDIR /home/${INSTALL_USER}
   RUN \
  -  export emacs=emacs-24.5 && \
  +  export emacs=emacs-25.1 && \
     wget -q -O - http://ftpmirror.gnu.org/emacs/${emacs}.tar.xz | tar xJf - && \
     mv ${emacs} .build_emacs && \
     (cd .build_emacs && ./configure && make install && make clean) && \
     echo 'export PATH=$PATH:~/.emacs.d/bin' >> .profile
   
   RUN \
  -  export global=global-6.5.4 && \
  +  export global=global-6.5.5 && \
     wget -q -O - http://ftpmirror.gnu.org/global/${global}.tar.gz | tar zxf - && \
     mv ${global} .build_global && \
     (cd .build_global && ./configure --with-exuberant-ctags=/usr/bin/ctags-exuberant && make install && make clean) && \
  
positive.code: FROM ubuntu:trusty
  MAINTAINER KIYOHIRO ADACHI <kiyoad@da2.so-net.ne.jp>
  
  ADD id_rsa.pub /tmp/authorized_keys
  
  ENV DEBIAN_FRONTEND noninteractive
  RUN \
    echo "deb http://ftp.riken.jp/Linux/ubuntu/ trusty main multiverse" >> /etc/apt/sources.list && \
    echo "deb-src http://ftp.riken.jp/Linux/ubuntu/ trusty main multiverse" >> /etc/apt/sources.list && \
    apt-get update && apt-get upgrade -y && \
    apt-get install -qy openssh-server vim && \
    apt-get install -qy language-pack-ja man-db manpages-ja manpages-ja-dev && \
    apt-get install -qy gcc make xz-utils && \
    apt-get install -qy libtinfo-dev libx11-dev libxaw7-dev libgif-dev libjpeg-turbo8-dev libpng12-dev libtiff5-dev libxml2-dev librsvg2-dev libxft-dev libxpm-dev libgpm-dev libsm-dev libice-dev libxrandr-dev libxinerama-dev libgnutls-dev libmagickwand-dev xaw3dg-dev libdbus-1-dev libgconf2-dev libotf-dev libm17n-dev && \
  
negative.code:   go get -u github.com/jstemmer/gotags && \
    go get -u golang.org/x/tools/cmd/godoc && \
    go get -u github.com/alecthomas/gometalinter && \
    /opt/go/bin/gometalinter --install
  
  RUN \
    export PATH=$PATH:/usr/local/go/bin && \
  