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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Unannex where
import Common.Annex
import Command
import qualified Annex
import qualified Annex.Queue
import Utility.FileMode
import Logs.Location
import Annex.Content
import qualified Git
import qualified Git.LsFiles as LsFiles
def :: [Command]
def = [command "unannex" paramPaths seek "undo accidential add command"]
seek :: [CommandSeek]
seek = [withFilesInGit $ whenAnnexed start]
{- The unannex subcommand undoes an add. -}
start :: FilePath -> (Key, Backend Annex) -> CommandStart
start file (key, _) = do
ishere <- inAnnex key
if ishere
then do
force <- Annex.getState Annex.force
unless force $ do
top <- fromRepo Git.workTree
staged <- inRepo $ LsFiles.staged [top]
unless (null staged) $
error "This command cannot be run when there are already files staged for commit."
Annex.changeState $ \s -> s { Annex.force = True }
showStart "unannex" file
next $ perform file key
else stop
perform :: FilePath -> Key -> CommandPerform
perform file key = next $ cleanup file key
cleanup :: FilePath -> Key -> CommandCleanup
cleanup file key = do
liftIO $ removeFile file
inRepo $ Git.run "rm" [Params "--quiet --", File file]
-- git rm deletes empty directories; put them back
liftIO $ createDirectoryIfMissing True (parentDir file)
fast <- Annex.getState Annex.fast
if fast
then do
-- fast mode: hard link to content in annex
src <- fromRepo $ gitAnnexLocation key
liftIO $ do
createLink src file
allowWrite file
else do
fromAnnex key file
logStatus key InfoMissing
-- Commit staged changes at end to avoid confusing the
-- pre-commit hook if this file is later added back to
-- git as a normal, non-annexed file.
Annex.Queue.add "commit" [Param "-m", Param "content removed from git annex"] []
return True
|
