anchor.diff:  
   COPY . .
   
  +RUN dos2unix -k -q ./coverage.sh
  +
   RUN ./coverage.sh netcoreapp2.1 Debug
  
positive.code: FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine
  
  ENV DOTNET_SKIP_FIRST_TIME_EXPERIENCE=true
  
  WORKDIR /work
  
  
negative.code: 
  COPY ./ ./
  
  # Convert CRLF to CR as it causes shellcheck warnings.
  RUN find . -type f -name '*.sh' -exec dos2unix {} \;
  
  # Run shell check on all the shell files.
  