65 lines
1.8 KiB
Haskell
65 lines
1.8 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2016 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.Unlock where
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import Command
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import Annex.Content
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import Annex.Perms
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import Annex.Link
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import Annex.ReplaceFile
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import Git.FilePath
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import qualified Database.Keys
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import qualified Utility.RawFilePath as R
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cmd :: Command
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cmd = mkcmd "unlock" "unlock files for modification"
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editcmd :: Command
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editcmd = mkcmd "edit" "same as unlock"
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mkcmd :: String -> String -> Command
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mkcmd n d = withGlobalOptions [jsonOptions, annexedMatchingOptions] $
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command n SectionCommon d paramPaths (withParams seek)
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seek :: CmdParams -> CommandSeek
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seek ps = withFilesInGitAnnex ww seeker =<< workTreeItems ww ps
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where
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ww = WarnUnmatchLsFiles
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seeker = AnnexedFileSeeker
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{ startAction = start
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, checkContentPresent = Nothing
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, usesLocationLog = False
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}
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start :: RawFilePath -> Key -> CommandStart
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start file key = ifM (isJust <$> isAnnexLink file)
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( starting "unlock" (mkActionItem (key, AssociatedFile (Just file))) $
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perform file key
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, stop
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)
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perform :: RawFilePath -> Key -> CommandPerform
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perform dest key = do
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destmode <- liftIO $ catchMaybeIO $ fileMode <$> R.getFileStatus dest
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replaceWorkTreeFile (fromRawFilePath dest) $ \tmp ->
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ifM (inAnnex key)
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( do
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r <- linkFromAnnex key tmp destmode
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case r of
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LinkAnnexOk -> return ()
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LinkAnnexNoop -> return ()
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LinkAnnexFailed -> error "unlock failed"
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, liftIO $ writePointerFile (toRawFilePath tmp) key destmode
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)
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next $ cleanup dest key destmode
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cleanup :: RawFilePath -> Key -> Maybe FileMode -> CommandCleanup
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cleanup dest key destmode = do
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stagePointerFile dest destmode =<< hashPointerFile key
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Database.Keys.addAssociatedFile key =<< inRepo (toTopFilePath dest)
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return True
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