There are two types of commands; those that access the repository and those that don't. Sorted.
		
			
				
	
	
		
			50 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			50 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 Control.Monad.State (liftIO)
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import System.Posix.Files
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import System.Directory
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import Control.Monad (unless)
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import Command
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import qualified Annex
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import Utility
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import qualified Backend
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import Content
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import Messages
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import Key
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command :: [Command]
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command = [repoCommand "fromkey" paramPath seek
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	"adds a file using a specific key"]
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seek :: [CommandSeek]
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seek = [withFilesMissing start]
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start :: CommandStartString
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start file = notBareRepo $ do
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	key <- cmdlineKey
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	inbackend <- Backend.hasKey key
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	unless inbackend $ error $
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		"key ("++keyName key++") is not present in backend"
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	showStart "fromkey" file
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	return $ Just $ perform file
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perform :: FilePath -> CommandPerform
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perform file = do
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	key <- cmdlineKey
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	link <- calcGitLink file key
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	liftIO $ createDirectoryIfMissing True (parentDir file)
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	liftIO $ createSymbolicLink link file
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	return $ Just $ cleanup file
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cleanup :: FilePath -> CommandCleanup
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cleanup file = do
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	Annex.queue "add" [Param "--"] file
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	return True
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