broke subcommands out into separate modules

Command/Fix.hs

@@ -0,0 +1,40 @@
+{- git-annex command
+ -
+ - Copyright 2010 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Command.Fix where
+
+import Control.Monad.State (liftIO)
+import System.Posix.Files
+import System.Directory
+
+import Command
+import qualified Annex
+import Utility
+import Core
+
+{- Fixes the symlink to an annexed file. -}
+start :: SubCmdStartString
+start file = isAnnexed file $ \(key, _) -> do
+	link <- calcGitLink file key
+	l <- liftIO $ readSymbolicLink file
+	if (link == l)
+		then return Nothing
+		else do
+			showStart "fix" file
+			return $ Just $ perform file link
+
+perform :: FilePath -> FilePath -> SubCmdPerform
+perform file link = do
+	liftIO $ createDirectoryIfMissing True (parentDir file)
+	liftIO $ removeFile file
+	liftIO $ createSymbolicLink link file
+	return $ Just $ cleanup file
+
+cleanup :: FilePath -> SubCmdCleanup
+cleanup file = do
+	Annex.queue "add" [] file
+	return True