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{- git-annex command checks
-
- Common sanity checks for commands, and an interface to selectively
- remove them, or add others.
-
- Copyright 2011-2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Checks where
import Common.Annex
import Types.Command
import Annex.Init
import Config
import Utility.Daemon
import qualified Git
commonChecks :: [CommandCheck]
commonChecks = [repoExists]
repoExists :: CommandCheck
repoExists = CommandCheck 0 ensureInitialized
notDirect :: Command -> Command
notDirect = addCheck $ whenM isDirect $
error "You cannot run this command in a direct mode repository."
notBareRepo :: Command -> Command
notBareRepo = addCheck $ whenM (fromRepo Git.repoIsLocalBare) $
error "You cannot run this command in a bare repository."
noDaemonRunning :: Command -> Command
noDaemonRunning = addCheck $ whenM (isJust <$> daemonpid) $
error "You cannot run this command while git-annex watch or git-annex assistant is running."
where
daemonpid = liftIO . checkDaemon =<< fromRepo gitAnnexPidFile
dontCheck :: CommandCheck -> Command -> Command
dontCheck check cmd = mutateCheck cmd $ \c -> filter (/= check) c
addCheck :: Annex () -> Command -> Command
addCheck check cmd = mutateCheck cmd $ \c ->
CommandCheck (length c + 100) check : c
mutateCheck :: Command -> ([CommandCheck] -> [CommandCheck]) -> Command
mutateCheck cmd@(Command { cmdcheck = c }) a = cmd { cmdcheck = a c }
|
