40ecf58d4b
This does not change the overall license of the git-annex program, which was already AGPL due to a number of sources files being AGPL already. Legally speaking, I'm adding a new license under which these files are now available; I already released their current contents under the GPL license. Now they're dual licensed GPL and AGPL. However, I intend for all my future changes to these files to only be released under the AGPL license, and I won't be tracking the dual licensing status, so I'm simply changing the license statement to say it's AGPL. (In some cases, others wrote parts of the code of a file and released it under the GPL; but in all cases I have contributed a significant portion of the code in each file and it's that code that is getting the AGPL license; the GPL license of other contributors allows combining with AGPL code.)
63 lines
1.8 KiB
Haskell
63 lines
1.8 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 AGPL version 3 or higher.
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-}
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module Command.SendKey where
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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 (commandAction . 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 <- AssociatedFile <$> Fields.getField Fields.associatedFile
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ok <- maybe (a $ const noop)
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-- Using noRetry here because we're the sender.
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(\u -> runner (Transfer direction (toUUID u) key) afile noRetry 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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