d0651bb567
config group groupwanted numcopies schedule wanted required: Avoid displaying extraneous messages about repository auto-init, git-annex branch merging, etc, when being used to get information.
57 lines
1.4 KiB
Haskell
57 lines
1.4 KiB
Haskell
{- git-annex command
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-
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- Copyright 2013-2015 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.Wanted where
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import Command
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import qualified Remote
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import Logs.PreferredContent
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import Types.StandardGroups
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import qualified Data.Map as M
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cmd :: Command
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cmd = cmd' "wanted" "get or set preferred content expression"
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preferredContentMapRaw
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preferredContentSet
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cmd'
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:: String
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-> String
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-> Annex (M.Map UUID PreferredContentExpression)
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-> (UUID -> PreferredContentExpression -> Annex ())
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-> Command
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cmd' name desc getter setter = noMessages $
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command name SectionSetup desc pdesc (withParams seek)
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where
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pdesc = paramPair paramRemote (paramOptional paramExpression)
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seek = withWords start
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start (rname:[]) = go rname (performGet getter)
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start (rname:expr:[]) = go rname $ \uuid -> do
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allowMessages
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showStart name rname
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performSet setter expr uuid
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start _ = giveup "Specify a repository."
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go rname a = do
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u <- Remote.nameToUUID rname
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next $ a u
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performGet :: Ord a => Annex (M.Map a PreferredContentExpression) -> a -> CommandPerform
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performGet getter a = do
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m <- getter
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liftIO $ putStrLn $ fromMaybe "" $ M.lookup a m
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next $ return True
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performSet :: (a -> PreferredContentExpression -> Annex ()) -> String -> a -> CommandPerform
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performSet setter expr a = case checkPreferredContentExpression expr of
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Just e -> giveup $ "Parse error: " ++ e
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Nothing -> do
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setter a expr
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next $ return True
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