anchor.diff:  RUN cd /root/dev/vim && make -j`nproc`
   RUN cd /root/dev/vim && make install
   
  +# ruby
   RUN gpg2 --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
   RUN curl -sSL https://get.rvm.io | bash
   RUN bash -c "source /etc/profile.d/rvm.sh && rvm install ruby --disable-binary"
  
positive.code: RUN dnf -y groupinstall gnome
  
  # requirements for early packages and crates
  RUN dnf -y --best --allowerasing install openssl-devel
  
  # rust
  RUN curl -sSf https://sh.rustup.rs > /tmp/blastoff.sh
  
negative.code: RUN dnf -y --best --allowerasing install mercurial cmake intltool dkms git xz dnf-automatic golang redhat-rpm-config pcsc-tools pcsc-lite xloadimage yp-tools closure-compiler optipng jpegoptim ansible lldb python-lldb
  
  # devel versions of packages
  RUN dnf -y --best --allowerasing install qt5-qtbase-devel qt5-qtwebkit-devel python3-devel libxslt-devel libjpeg-turbo-devel gtk2-devel kernel-devel qtkeychain-qt5-devel pcsc-lite-devel openssl-devel zlib-devel libuuid-devel libattr-devel libblkid-devel libselinux-devel libudev-devel openssl-devel elfutils-libelf-devel libtirpc-devel ffmpeg-libs dnf-plugins-core
  