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author | Joey Hess <joeyh@debian.org> | 2013-12-03 15:02:21 -0400 |
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committer | Joey Hess <joeyh@debian.org> | 2013-12-03 15:02:21 -0400 |
commit | a4f3e112954e1b785c84c339bcbd83597a89335e (patch) | |
tree | eb2a975663782f83e6b20d6d239447d7222de81b /Utility/UserInfo.hs | |
download | git-repair-a4f3e112954e1b785c84c339bcbd83597a89335e.tar.gz |
git-repair (1.20131203) unstable; urgency=low
* Fix build deps. Closes: #731179
# imported from the archive
Diffstat (limited to 'Utility/UserInfo.hs')
-rw-r--r-- | Utility/UserInfo.hs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Utility/UserInfo.hs b/Utility/UserInfo.hs new file mode 100644 index 0000000..9c3bfd4 --- /dev/null +++ b/Utility/UserInfo.hs @@ -0,0 +1,55 @@ +{- user info + - + - Copyright 2012 Joey Hess <joey@kitenet.net> + - + - Licensed under the GNU GPL version 3 or higher. + -} + +{-# LANGUAGE CPP #-} + +module Utility.UserInfo ( + myHomeDir, + myUserName, + myUserGecos, +) where + +import Control.Applicative +import System.PosixCompat + +import Utility.Env + +{- Current user's home directory. + - + - getpwent will fail on LDAP or NIS, so use HOME if set. -} +myHomeDir :: IO FilePath +myHomeDir = myVal env homeDirectory + where +#ifndef mingw32_HOST_OS + env = ["HOME"] +#else + env = ["USERPROFILE", "HOME"] -- HOME is used in Cygwin +#endif + +{- Current user's user name. -} +myUserName :: IO String +myUserName = myVal env userName + where +#ifndef mingw32_HOST_OS + env = ["USER", "LOGNAME"] +#else + env = ["USERNAME", "USER", "LOGNAME"] +#endif + +myUserGecos :: IO String +#ifdef __ANDROID__ +myUserGecos = return "" -- userGecos crashes on Android +#else +myUserGecos = myVal [] userGecos +#endif + +myVal :: [String] -> (UserEntry -> String) -> IO String +myVal envvars extract = maybe (extract <$> getpwent) return =<< check envvars + where + check [] = return Nothing + check (v:vs) = maybe (check vs) (return . Just) =<< getEnv v + getpwent = getUserEntryForID =<< getEffectiveUserID |