Re the auto-recompiling part, here is one of my favourite tools. I have used it to auto-build happstack, yesod and hakyll apps/sites: # "continuous integration" - recompile and restart # whenever a module changes. sp is from searchpath.org, you might # need the patched version from http://joyful.com/repos/searchpath ci: sp --no-exts --no-default-map ghc --make -o app --make app.hs --run Also, you didn't ask for this but while I'm pasting.. here's a thorough darcs posthook, for doing something when a repo's content changes (add the below to _darcs/prefs/defaults): apply posthook make build apply run-posthook pull posthook make build pull run-posthook record posthook make build record run-posthook obliterate posthook make build obliterate run-posthook