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