git-annex/Command/ContentLocation.hs
2015-04-10 13:16:04 -04:00

31 lines
641 B
Haskell

{- git-annex command
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.ContentLocation where
import Common.Annex
import Command
import Annex.Content
cmd :: [Command]
cmd = [noCommit $ noMessages $
command "contentlocation" (paramRepeating paramKey) seek
SectionPlumbing "looks up content for a key"]
seek :: CommandSeek
seek = withKeys start
start :: Key -> CommandStart
start k = do
liftIO . maybe exitFailure putStrLn
=<< inAnnex' (pure True) Nothing check k
stop
where
check f = ifM (liftIO (doesFileExist f))
( return (Just f)
, return Nothing
)