anchor.diff:        libunwind \
         make \
         ninja \
  -      python-pip \
    && userdel builder
   
   WORKDIR /
  
positive.code:         python \
          python-pip \
   && pacman -Scc --noconfirm \
   && useradd \
        --system \
        --no-create-home \
        --shell /usr/bin/bash \
        builder \
   && mkdir /tmp/gcovr -p \
   && tar -C /tmp/gcovr -xzf /tmp/gcovr.tar.gz --strip-components 1 \
   && pip install /tmp/gcovr \
   && rm -rf /tmp/gcovr* \
   && chown -R builder /tmp/benchmark \
   && cd /tmp/benchmark \
   && su builder -c 'makepkg --nocheck' \
  
negative.code: 
  ADD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=benchmark /tmp/benchmark/PKGBUILD
  ADD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=libc%2b%2b /tmp/libc++/PKGBUILD
  
  RUN pacman -Syy --noconfirm \
   && pacman -S --noconfirm \
  