e71f85645e
* Bugfix: Remove leading \ from checksums output by sha*sum commands, when the filename contains \ or a newline. Closes: #696384 * fsck: Still accept checksums with a leading \ as valid, now that above bug is fixed. * migrate: Remove leading \ in checksums
42 lines
895 B
Haskell
42 lines
895 B
Haskell
{- git-annex "URL" backend -- keys whose content is available from urls.
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-
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- Copyright 2011 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 Backend.URL (
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backends,
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fromUrl
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) where
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import Data.Hash.MD5
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import Common.Annex
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import Types.Backend
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import Types.Key
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backends :: [Backend]
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backends = [backend]
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backend :: Backend
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backend = Backend
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{ name = "URL"
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, getKey = const $ return Nothing
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, fsckKey = Nothing
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, canUpgradeKey = Nothing
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}
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fromUrl :: String -> Maybe Integer -> Key
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fromUrl url size = stubKey
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{ keyName = key
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, keyBackendName = "URL"
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, keySize = size
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}
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where
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{- when it's not too long, use the url as the key name
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- 256 is the absolute filename max, but use a shorter
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- length because this is not the entire key filename. -}
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key
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| length url < 128 = url
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| otherwise = take 128 url ++ "-" ++ md5s (Str url)
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