anchor.diff: -FROM fedora:32
  +FROM fedora:33
   
  -RUN dnf upgrade -y && dnf install -y \
  +RUN dnf upgrade --refresh -y && dnf install -y \
           augeas-devel \
           bison \
           boost-devel \
  
positive.code:         openssl-devel \
          procps-ng \
          python3-devel \
          qt5-devel \
          ruby-devel \
          rubygem-test-unit \
          swig \
  
negative.code:       -L https://github.com/google/googletest/archive/${GTEST_VER}.tar.gz \
      && tar -zxvf gtest.tar.gz --strip-components=1 -C ${GTEST_ROOT} \
      && rm gtest.tar.gz
  
  