71 lines
1.9 KiB
Haskell
71 lines
1.9 KiB
Haskell
{- git-annex command
|
|
-
|
|
- Copyright 2010-2013 Joey Hess <id@joeyh.name>
|
|
-
|
|
- Licensed under the GNU AGPL version 3 or higher.
|
|
-}
|
|
|
|
module Command.Unannex where
|
|
|
|
import Command
|
|
import qualified Annex
|
|
import Annex.Content
|
|
import Annex.Perms
|
|
import qualified Git.Command
|
|
import Utility.CopyFile
|
|
import qualified Database.Keys
|
|
import Git.FilePath
|
|
|
|
cmd :: Command
|
|
cmd = withGlobalOptions [annexedMatchingOptions] $
|
|
command "unannex" SectionUtility
|
|
"undo accidental add command"
|
|
paramPaths (withParams seek)
|
|
|
|
seek :: CmdParams -> CommandSeek
|
|
seek ps = (withFilesInGit $ commandAction . whenAnnexed start) =<< workTreeItems ps
|
|
|
|
start :: FilePath -> Key -> CommandStart
|
|
start file key = stopUnless (inAnnex key) $
|
|
starting "unannex" (mkActionItem (key, file)) $
|
|
perform file key
|
|
|
|
perform :: FilePath -> Key -> CommandPerform
|
|
perform file key = do
|
|
liftIO $ removeFile file
|
|
inRepo $ Git.Command.run
|
|
[ Param "rm"
|
|
, Param "--cached"
|
|
, Param "--force"
|
|
, Param "--quiet"
|
|
, Param "--"
|
|
, File file
|
|
]
|
|
next $ cleanup file key
|
|
|
|
cleanup :: FilePath -> Key -> CommandCleanup
|
|
cleanup file key = do
|
|
Database.Keys.removeAssociatedFile key =<< inRepo (toTopFilePath file)
|
|
src <- calcRepo $ gitAnnexLocation key
|
|
ifM (Annex.getState Annex.fast)
|
|
( do
|
|
-- Only make a hard link if the annexed file does not
|
|
-- already have other hard links pointing at it.
|
|
-- This avoids unannexing (and uninit) ending up
|
|
-- hard linking files together, which would be
|
|
-- surprising.
|
|
s <- liftIO $ getFileStatus src
|
|
if linkCount s > 1
|
|
then copyfrom src
|
|
else hardlinkfrom src
|
|
, copyfrom src
|
|
)
|
|
where
|
|
copyfrom src =
|
|
thawContent file `after` liftIO (copyFileExternal CopyAllMetaData src file)
|
|
hardlinkfrom src =
|
|
-- creating a hard link could fall; fall back to copying
|
|
ifM (liftIO $ catchBoolIO $ createLink src file >> return True)
|
|
( return True
|
|
, copyfrom src
|
|
)
|