git-annex/Annex/Url.hs
Joey Hess 12f6b9693a Send a git-annex user-agent when downloading urls.
Overridable with --user-agent option.

Not yet done for S3 or WebDAV due to limitations of libraries used --
nether allows a user-agent header to be specified.

This commit sponsored by Michael Zehrer.
2013-09-28 14:35:21 -04:00

27 lines
664 B
Haskell

{- Url downloading, with git-annex user agent.
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Url (
module U,
withUserAgent,
getUserAgent,
) where
import Common.Annex
import qualified Annex
import Utility.Url as U
import qualified Build.SysConfig as SysConfig
defaultUserAgent :: U.UserAgent
defaultUserAgent = "git-annex/" ++ SysConfig.packageversion
getUserAgent :: Annex (Maybe U.UserAgent)
getUserAgent = Annex.getState $
Just . fromMaybe defaultUserAgent . Annex.useragent
withUserAgent :: (Maybe U.UserAgent -> IO a) -> Annex a
withUserAgent a = liftIO . a =<< getUserAgent