hackport-0.6.4: cabal/cabal-testsuite/PackageTests/CustomWithoutCabal/cabal.test.hs

import Test.Cabal.Prelude
main = cabalTest $ do

    -- This package has explicit setup dependencies that do not include Cabal.
    -- v2-build should try to build it, but configure should fail because
    -- Setup.hs just prints an error message and exits.
    r <- fails $ cabal' "v2-build" ["custom-setup-without-cabal"]
    assertOutputContains "My custom Setup" r