34 lines
814 B
Haskell
34 lines
814 B
Haskell
{- git-annex "url" backend
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- -}
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module BackendUrl (backend) where
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import System.Cmd
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import IO
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import Types
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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 :: State -> FilePath -> IO (Maybe Key)
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keyValue repo file = return Nothing
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-- cannot change url contents
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dummyStore :: State -> FilePath -> Key -> IO Bool
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dummyStore repo file url = return False
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dummyRemove :: State -> Key -> IO Bool
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dummyRemove state url = return False
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downloadUrl :: State -> Key -> FilePath -> IO Bool
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downloadUrl state url file = do
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putStrLn $ "download: " ++ url
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result <- try $ rawSystem "curl" ["-#", "-o", file, 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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