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| author |  Joey Hess <joey@kitenet.net> | 2013-12-31 14:55:55 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2013-12-31 14:55:55 -0400 |
| commit | 63948363a6def3639b6341f6bc083194c8bc6434 (patch) | |
| tree | d4de9128957a9b9b6f55966c6eb5634e5faf19a4 /Assistant/Install.hs | |
| parent | bd1aa04396eb710a06d02ac5a3f4614db95c3b93 (diff) | |
avoid empty env vars when setting up clean environment
Diffstat (limited to 'Assistant/Install.hs')
| -rw-r--r-- | Assistant/Install.hs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Assistant/Install.hs b/Assistant/Install.hs index 2b6297b1f..d29cefb8c 100644 --- a/Assistant/Install.hs +++ b/Assistant/Install.hs @@ -96,6 +96,7 @@ cleanEnvironment = clean <$> getEnvironment lookup "GIT_ANNEX_STANDLONE_ENV" env restoreorig oldenv p@(k, _v) | k `elem` vars = case lookup ("ORIG_" ++ k) oldenv of - Nothing -> Nothing - (Just v') -> Just (k, v') + (Just v') + | not (null v') -> Just (k, v') + _ -> Nothing | otherwise = Just p |