cdbcd6f495
Generalized LocationLog to PresenceLog, and use a presence log to record urls for the web special remote.
75 lines
2 KiB
Haskell
75 lines
2 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.Unannex where
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import Control.Monad.State (liftIO)
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import Control.Monad (unless)
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import System.Directory
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import Command
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import qualified Annex
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import qualified AnnexQueue
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import Utility
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import qualified Backend
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import LocationLog
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import Types
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import Content
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import qualified Git
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import qualified Git.LsFiles as LsFiles
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import Messages
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command :: [Command]
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command = [repoCommand "unannex" paramPath seek "undo accidential add command"]
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seek :: [CommandSeek]
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seek = [withFilesInGit start]
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{- The unannex subcommand undoes an add. -}
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start :: CommandStartString
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start file = isAnnexed file $ \(key, backend) -> do
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ishere <- inAnnex key
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if ishere
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then do
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force <- Annex.getState Annex.force
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unless force $ do
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g <- Annex.gitRepo
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staged <- liftIO $ LsFiles.staged g [Git.workTree g]
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unless (null staged) $
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error "This command cannot be run when there are already files staged for commit."
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Annex.changeState $ \s -> s { Annex.force = True }
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showStart "unannex" file
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next $ perform file key backend
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else stop
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perform :: FilePath -> Key -> Backend Annex -> CommandPerform
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perform file key backend = do
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-- force backend to always remove
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ok <- Backend.removeKey backend key (Just 0)
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if ok
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then next $ cleanup file key
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else stop
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cleanup :: FilePath -> Key -> CommandCleanup
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cleanup file key = do
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g <- Annex.gitRepo
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liftIO $ removeFile file
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liftIO $ Git.run g "rm" [Params "--quiet --", File file]
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-- git rm deletes empty directories; put them back
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liftIO $ createDirectoryIfMissing True (parentDir file)
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fromAnnex key file
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logStatus key InfoMissing
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-- Commit staged changes at end to avoid confusing the
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-- pre-commit hook if this file is later added back to
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-- git as a normal, non-annexed file.
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AnnexQueue.add "commit" [Params "-a -m", Param "content removed from git annex"] "-a"
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return True
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