46 lines
1.1 KiB
Haskell
46 lines
1.1 KiB
Haskell
|
{- 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
|