127c3db162
Note that I had one in Annex.Action.startup too, but it resulted in a weird
message printed by ssh, "channel 2: bad ext data". I don't know why, but
it only happened when transferinfo was run, so I wonder
if 983a95f021 introduced a fragility somehow.
63 lines
1.7 KiB
Haskell
63 lines
1.7 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010,2012 Joey Hess <id@joeyh.name>
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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 Annex
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import Utility.Rsync
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import Annex.Transfer
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import qualified CmdLine.GitAnnexShell.Fields as Fields
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import Utility.Metered
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import System.Log.Logger
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cmd :: Command
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cmd = noCommit $
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command "sendkey" SectionPlumbing
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"runs rsync in server mode to send content"
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paramKey (withParams seek)
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seek :: CmdParams -> CommandSeek
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seek = withKeys start
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start :: Key -> CommandStart
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start key = do
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opts <- filterRsyncSafeOptions . maybe [] words
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<$> getField "RsyncOptions"
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ifM (inAnnex key)
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( fieldTransfer Upload key $ \_p ->
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sendAnnex key rollback $ liftIO . rsyncServerSend (map Param opts)
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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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where
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{- No need to do any rollback; when sendAnnex fails, a nonzero
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- exit will be propigated, and the remote will know the transfer
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- failed. -}
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rollback = noop
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fieldTransfer :: Direction -> Key -> (MeterUpdate -> Annex Bool) -> CommandStart
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fieldTransfer direction key a = do
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liftIO $ debugM "fieldTransfer" "transfer start"
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afile <- Fields.getField Fields.associatedFile
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ok <- maybe (a $ const noop)
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(\u -> runner (Transfer direction (toUUID u) key) afile noRetry noObserver a)
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=<< Fields.getField Fields.remoteUUID
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liftIO $ debugM "fieldTransfer" "transfer done"
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liftIO $ exitBool ok
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where
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{- Allow the key to be sent to the remote even if there seems to be
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- another transfer of that key going on to that remote.
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- That one may be stale, etc.
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-}
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runner
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| direction == Upload = alwaysRunTransfer
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| otherwise = runTransfer
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