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