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{- git-annex command
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Wanted where
import Common.Annex
import Command
import qualified Remote
import Logs.PreferredContent
import qualified Data.Map as M
def :: [Command]
def = [command "wanted" (paramPair paramRemote (paramOptional paramExpression)) seek
SectionSetup "get or set preferred content expression"]
seek :: [CommandSeek]
seek = [withWords start]
start :: [String] -> CommandStart
start = parse
where
parse (name:[]) = go name performGet
parse (name:expr:[]) = go name $ \uuid -> do
showStart "wanted" name
performSet expr uuid
parse _ = error "Specify a repository."
go name a = do
u <- Remote.nameToUUID name
next $ a u
performGet :: UUID -> CommandPerform
performGet uuid = do
m <- preferredContentMapRaw
liftIO $ putStrLn $ fromMaybe "" $ M.lookup uuid m
next $ return True
performSet :: String -> UUID -> CommandPerform
performSet expr uuid = case checkPreferredContentExpression expr of
Just e -> error $ "Parse error: " ++ e
Nothing -> do
preferredContentSet uuid expr
next $ return True
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