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{- git-annex command
 -
 - Copyright 2013 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

module Command.LookupKey where

import Command
import Annex.CatFile

cmd :: Command
cmd = notBareRepo $ noCommit $ noMessages $
	command "lookupkey" SectionPlumbing 
		"looks up key used for file"
		(paramRepeating paramFile)
		(batchable run (pure ()))

run :: () -> String -> Annex Bool
run _ file = do
	mk <- catKeyFile file
	case mk of
		Just k  -> do
			liftIO $ putStrLn $ key2file k
			return True
		Nothing -> return False