aa2d8e33df
Free space checking is now done, for transfers of data for keys that have free space metadata. (Notably, not for SHA* keys generated with git-annex 0.24 or earlier.) The code is believed to work on Linux, FreeBSD, and OSX; check compile-time messages to see if it is not enabled for your OS.
56 lines
1.3 KiB
Haskell
56 lines
1.3 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.Unlock where
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import Control.Monad (when)
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import Control.Monad.State (liftIO)
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import System.Directory hiding (copyFile)
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import Command
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import qualified Annex
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import qualified Backend
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import Types
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import Messages
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import Locations
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import Content
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import CopyFile
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command :: [Command]
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command =
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[ repoCommand "unlock" paramPath seek "unlock files for modification"
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, repoCommand "edit" paramPath seek "same as unlock"
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]
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seek :: [CommandSeek]
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seek = [withFilesInGit start]
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{- The unlock subcommand replaces the symlink with a copy of the file's
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- content. -}
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start :: CommandStartString
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start file = isAnnexed file $ \(key, _) -> do
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showStart "unlock" file
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return $ Just $ perform file key
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perform :: FilePath -> Key -> CommandPerform
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perform dest key = do
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inbackend <- Backend.hasKey key
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when (not inbackend) $
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error "content not present"
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checkDiskSpace key
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g <- Annex.gitRepo
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let src = gitAnnexLocation g key
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liftIO $ removeFile dest
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showNote "copying..."
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ok <- liftIO $ copyFile src dest
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if ok
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then do
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liftIO $ allowWrite dest
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return $ Just $ return True
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else error "copy failed!"
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