kazu-yamamoto/ghc-mod — pull request #67 by zsol (2012-06-24 10:41:16+00:00)
Title: Flymake no longer saves the buffer on every change

Instead, it generates a temporary file in the same directory called _flymake.hs and runs check/hlint on that.
After it's done, flymake cleans up after itself.
This should fix issue #6