When a transfer fails, the progress info can be used to intelligently retry it. If the transfer managed to make some progress, but did not fully complete, then there's a good chance that a retry will finish it (or at least make more progress).
		
			
				
	
	
		
			43 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			Haskell
		
	
	
	
	
	
{- git-annex command
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 -
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 - Copyright 2010,2012 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.SendKey where
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import Common.Annex
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import Command
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import Annex.Content
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import Utility.Rsync
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import Logs.Transfer
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import Types.Remote
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import qualified Fields
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def :: [Command]
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def = [noCommit $ command "sendkey" paramKey seek
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	"runs rsync in server mode to send content"]
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seek :: [CommandSeek]
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seek = [withKeys start]
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start :: Key -> CommandStart
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start key = ifM (inAnnex key)
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	( fieldTransfer Upload key $ \_p -> do
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		file <- inRepo $ gitAnnexLocation key
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		liftIO $ rsyncServerSend file
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	, do
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		warning "requested key is not present"
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		liftIO exitFailure
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	)
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fieldTransfer :: Direction -> Key -> (MeterUpdate -> Annex Bool) -> CommandStart
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fieldTransfer direction key a = do
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	afile <- Fields.getField Fields.associatedFile
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	ok <- maybe (a $ const noop)
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		(\u -> runTransfer (Transfer direction (toUUID u) key) afile noRetry a)
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		=<< Fields.getField Fields.remoteUUID
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	if ok
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		then liftIO exitSuccess
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		else liftIO exitFailure
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