71 lines
1.7 KiB
Haskell
71 lines
1.7 KiB
Haskell
{- git repository urls
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-
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- Copyright 2010, 2011 Joey Hess <id@joeyh.name>
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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 Git.Url (
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scheme,
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host,
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port,
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hostuser,
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authority,
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) where
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import Network.URI hiding (scheme, authority)
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import Common
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import Git.Types
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import Git
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{- Scheme of an URL repo. -}
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scheme :: Repo -> String
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scheme Repo { location = Url u } = uriScheme u
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scheme repo = notUrl repo
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{- Work around a bug in the real uriRegName
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- <http://trac.haskell.org/network/ticket/40> -}
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uriRegName' :: URIAuth -> String
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uriRegName' a = fixup $ uriRegName a
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where
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fixup x@('[':rest)
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| rest !! len == ']' = take len rest
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| otherwise = x
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where
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len = length rest - 1
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fixup x = x
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{- Hostname of an URL repo. -}
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host :: Repo -> Maybe String
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host = authpart uriRegName'
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{- Port of an URL repo, if it has a nonstandard one. -}
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port :: Repo -> Maybe Integer
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port r =
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case authpart uriPort r of
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Nothing -> Nothing
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Just ":" -> Nothing
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Just (':':p) -> readish p
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Just _ -> Nothing
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{- Hostname of an URL repo, including any username (ie, "user@host") -}
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hostuser :: Repo -> Maybe String
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hostuser r = (++)
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<$> authpart uriUserInfo r
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<*> authpart uriRegName' r
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{- The full authority portion an URL repo. (ie, "user@host:port") -}
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authority :: Repo -> Maybe String
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authority = authpart assemble
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where
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assemble a = uriUserInfo a ++ uriRegName' a ++ uriPort a
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{- Applies a function to extract part of the uriAuthority of an URL repo. -}
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authpart :: (URIAuth -> a) -> Repo -> Maybe a
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authpart a Repo { location = Url u } = a <$> uriAuthority u
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authpart _ repo = notUrl repo
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notUrl :: Repo -> a
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notUrl repo = error $
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"acting on local git repo " ++ repoDescribe repo ++ " not supported"
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