install:
  # Using '-y' and 'refreshenv' as a workaround to:
  # https://github.com/haskell/cabal/issues/3687
  - choco install -y ghc --version 8.4.1
  - choco install -y cabal --version 2.2.0.0
  - refreshenv
  # See http://help.appveyor.com/discussions/problems/6312-curl-command-not-found#comment_42195491
  # NB: Do this after refreshenv, otherwise it will be clobbered!
  - set PATH=C:\Program Files\Git\mingw64\bin;%PATH%;C:\msys64\usr\bin
  - curl -o z3.zip -L https://github.com/Z3Prover/z3/releases/download/z3-4.5.0/z3-4.5.0-x64-win.zip
  - 7z x -bd z3.zip
  - cp z3-4.5.0-x64-win/bin/z3.exe .

build_script:
  - cabal update
  - cabal new-build -j