haskell-mode interferes with magit-blame

Running `magit-blame` on a file with `haskell-mode` causes the RET key, which should normally run `magit-show-commit`, to instead attempt to run `haskell-indentation-newline-and-indent` (which doesn't do what is expected and fails).

Instead of changing the key binding of the RET key in `haskell-indentation-mode-map`, can `haskell-indentation-newline-and-indent` be implemented on top of the regular `newline-and-indent` by providing its custom `indent-line-function`?