packages feed

hackport-0.8.0.0: cabal/cabal-testsuite/PackageTests/Backpack/Fail2/setup.test.hs

import Test.Cabal.Prelude
main = setupAndCabalTest $ do
    skipUnlessGhcVersion ">= 8.1"
    r <- fails $ setup' "configure" []
    assertOutputContains "non-existent" r
    return ()