44 lines
1.1 KiB
Haskell
44 lines
1.1 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.FromKey where
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import Common.Annex
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import Command
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import qualified Annex.Queue
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import Annex.Content
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import Types.Key
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cmd :: [Command]
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cmd = [notDirect $ notBareRepo $
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command "fromkey" (paramPair paramKey paramPath) seek
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SectionPlumbing "adds a file using a specific key"]
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seek :: CommandSeek
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seek = withWords start
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start :: [String] -> CommandStart
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start (keyname:file:[]) = do
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let key = fromMaybe (error "bad key") $ file2key keyname
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inbackend <- inAnnex key
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unless inbackend $ error $
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"key ("++ keyname ++") is not present in backend"
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showStart "fromkey" file
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next $ perform key file
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start _ = error "specify a key and a dest file"
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perform :: Key -> FilePath -> CommandPerform
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perform key file = do
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link <- inRepo $ gitAnnexLink file key
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liftIO $ createDirectoryIfMissing True (parentDir file)
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liftIO $ createSymbolicLink link file
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next $ cleanup file
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cleanup :: FilePath -> CommandCleanup
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cleanup file = do
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Annex.Queue.addCommand "add" [Param "--"] [file]
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return True
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