anchor.diff:    apt-get update && \
     apt-get install -y --no-install-recommends $fetchDeps && \
     # bash
  -  git clone --depth=1 https://github.com/iimuz/dotfiles.git ${HOME}/.dotfiles && \
  -  echo "\nif [ -f ~/.bashrc.local ]; then\n  . ~/.bashrc.local\nfi\n" >> ${HOME}/.bashrc && \
  -  mv ${HOME}/.dotfiles/.bashrc ${HOME}/.bashrc.local && \
  +  git clone --depth=1 -b v0.2.0 https://github.com/iimuz/dotfiles.git ${HOME}/.dotfiles && \
  +  echo "\nif [ -f ~/.config/bash/xdg-base.sh ]; then\n  . ~/.config/bash/xdg-base.sh\nfi\n" >> ${HOME}/.bashrc && \
  +  mkdir -p ${HOME}/.config/bash && \
  +  mv ${HOME}/.dotfiles/.config/bash/xdg-base.sh ${HOME}/.config/bash/xdg-base.sh && \
     mv ${HOME}/.dotfiles/.inputrc ${HOME}/ && \
  -  # terraform
  -  curl https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip -O && \
  -  unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
  -  mv terraform /usr/bin/ && \
  -  rm terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
     # gcp aliases
  -  echo "alias gscp='gcloud compute scp'" >> ${HOME}/.bashrc.local && \
  -  echo "alias glist='gcloud compute instances list'" >> ${HOME}/.bashrc.local && \
  -  echo "alias gssh='gcloud compute ssh'" >> ${HOME}/.bashrc.local && \
  -  echo "alias gup='gcloud compute instances start'" >> ${HOME}/.bashrc.local && \
  -  echo "alias gdown='gcloud compute instances stop'" >> ${HOME}/.bashrc.local && \
  +  echo "\nif [ -f ~/.config/bash/gcp-alias.sh ]; then\n  . ~/.config/bash/gcp-alias.sh\nfi\n" >> ${HOME}/.bashrc && \
  +  echo "alias gscp='gcloud compute scp'" >> ${HOME}/.config/bash/gcp-alias.sh && \
  +  echo "alias glist='gcloud compute instances list'" >> ${HOME}/.config/bash/gcp-alias.sh && \
  +  echo "alias gssh='gcloud compute ssh'" >> ${HOME}/.config/bash/gcp-alias.sh && \
  +  echo "alias gup='gcloud compute instances start'" >> ${HOME}/.config/bash/gcp-alias.sh && \
  +  echo "alias gdown='gcloud compute instances stop'" >> ${HOME}/.config/bash/gcp-alias.sh && \
  +  # cloud functions emulator
  +  curl -sL https://deb.nodesource.com/setup_8.x | bash - && \
  +  apt install -y --no-install-recommends nodejs && \
  +  nodejs -v && \
  +  npm -v && \
  +  npm install -g @google-cloud/functions-emulator && \
     # cleanup
     apt-get purge -y $fetchDeps && \
     apt-get clean && \
  
positive.code: ENV LANG en_US.UTF-8
  
  # gosu
  ENV GOSU_VERSION=1.10
  RUN fetchDeps=' \
      ca-certificates \
      wget \
  
negative.code: FROM google/cloud-sdk:229.0.0
  LABEL maintainer "iimuz"
  
  # set locale
  