git-annex/Assistant/Environment.hs

26 lines
784 B
Haskell

{- git-annex assistant environment
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Environment where
import Assistant.Common
import Utility.UserInfo
import qualified Git.Config
import System.Posix.Env
{- Checks that the system's environment allows git to function.
- Git requires a GECOS username, or suitable git configuration, or
- environment variables. -}
checkEnvironment :: Annex ()
checkEnvironment = do
username <- liftIO myUserName
gecos <- liftIO myUserGecos
gitusername <- fromRepo $ Git.Config.getMaybe "user.name"
when (null gecos && (gitusername == Nothing || gitusername == Just "")) $
-- existing environment is not overwritten
liftIO $ setEnv "GIT_AUTHOR_NAME" username False