35 lines
834 B
Haskell
35 lines
834 B
Haskell
{- git-annex "url" backend
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- -}
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module BackendUrl (backend) where
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import Control.Monad.State
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import System.Cmd
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import IO
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import BackendTypes
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backend = Backend {
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name = "url",
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getKey = keyValue,
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storeFileKey = dummyStore,
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retrieveKeyFile = downloadUrl,
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removeKey = dummyRemove
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}
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-- cannot generate url from filename
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keyValue :: FilePath -> Annex (Maybe Key)
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keyValue file = return Nothing
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-- cannot change url contents
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dummyStore :: FilePath -> Key -> Annex Bool
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dummyStore file url = return False
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dummyRemove :: Key -> Annex Bool
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dummyRemove url = return False
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downloadUrl :: Key -> FilePath -> Annex Bool
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downloadUrl url file = do
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liftIO $ putStrLn $ "download: " ++ (show url)
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result <- liftIO $ try $ rawSystem "curl" ["-#", "-o", file, (show url)]
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case (result) of
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Left _ -> return False
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Right _ -> return True
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