anchor.diff:   && yum update -y                                             \
    && yum --enablerepo epel groupinstall -y "Development Tools" \
    && yum --enablerepo epel install -y                          \
  -         curl           findutils gcc-c++    gcc              \
  -         gcc-gfortran   git       gnupg2     hostname         \
  -         iproute        Lmod      make       patch            \
  -         openssh-server python    python-pip tcl              \
  +        curl           findutils gcc-c++    gcc               \
  +        gcc-gfortran   git       gnupg2     hostname          \
  +        iproute        Lmod      make       patch             \
  +        openssh-server python    python-pip tcl               \
  +        unzip                                                 \
    && rm -rf /var/cache/yum                                     \
    && yum clean all
   
  
positive.code:         build-essential ca-certificates curl       g++    \
          gcc             gfortran        git        gnupg2 \
          iproute2        lmod            lua-posix  make   \
          openssh-server  python          python-pip tcl
  
    MASK PUSH
    MASK [[ $DISTRO_VERSION == 18.04 ]]
  
negative.code:         curl            findutils    gcc-c++     gcc         \
          gcc-gfortran    git          gnupg2      hostname    \
          iproute         Lmod         make        patch       \
          openssh-server  python       tcl         unzip       \
   && dnf clean all
  
  MASK [[ $DISTRO == opensuse ]]
  