assistant: Detect when system is not configured with a user name, and set environment to prevent git from failing.

This commit is contained in:
Joey Hess 2013-01-06 13:34:08 -04:00
parent 24df1f6ee0
commit 13d2fffb2d
4 changed files with 35 additions and 1 deletions

26
Assistant/Environment.hs Normal file
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{- 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