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|
{- git-annex command
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.GroupWanted where
import Common.Annex
import qualified Annex
import Command
import Logs.PreferredContent
import Types.Messages
import Types.Group
import qualified Data.Map as M
cmd :: [Command]
cmd = [command "groupwanted" (paramPair paramGroup (paramOptional paramExpression)) seek
SectionSetup "get or set groupwanted expression"]
seek :: CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start (g:[]) = next $ performGet g
start (g:expr:[]) = do
showStart "groupwanted" g
next $ performSet g expr
start _ = error "Specify a group."
performGet :: Group -> CommandPerform
performGet g = do
Annex.setOutput QuietOutput
m <- groupPreferredContentMapRaw
liftIO $ putStrLn $ fromMaybe "" $ M.lookup g m
next $ return True
performSet :: Group -> String -> CommandPerform
performSet g expr = case checkPreferredContentExpression expr of
Just e -> error $ "Parse error: " ++ e
Nothing -> do
groupPreferredContentSet g expr
next $ return True
|
