71 lines
1.9 KiB
Haskell
71 lines
1.9 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 Common.Annex
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import Command
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import qualified Annex
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import qualified Annex.Queue
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import Utility.FileMode
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import Logs.Location
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import Annex.Content
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import qualified Git
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import qualified Git.LsFiles as LsFiles
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def :: [Command]
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def = [command "unannex" paramPaths seek "undo accidential add command"]
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seek :: [CommandSeek]
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seek = [withFilesInGit $ whenAnnexed start]
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{- The unannex subcommand undoes an add. -}
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start :: FilePath -> (Key, Backend Annex) -> CommandStart
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start file (key, _) = 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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top <- fromRepo Git.workTree
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staged <- inRepo $ LsFiles.staged [top]
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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
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else stop
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perform :: FilePath -> Key -> CommandPerform
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perform file key = next $ cleanup file key
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cleanup :: FilePath -> Key -> CommandCleanup
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cleanup file key = do
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liftIO $ removeFile file
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inRepo $ Git.run "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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fast <- Annex.getState Annex.fast
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if fast
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then do
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-- fast mode: hard link to content in annex
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src <- fromRepo $ gitAnnexLocation key
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liftIO $ do
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createLink src file
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allowWrite file
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else do
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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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Annex.Queue.add "commit" [Param "-m", Param "content removed from git annex"] []
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return True
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