diff options
| author | Joey Hess <joeyh@debian.org> | 2014-07-09 22:11:31 -0400 |
|---|---|---|
| committer | Joey Hess <joeyh@debian.org> | 2014-07-09 22:11:31 -0400 |
| commit | 82da31b3e0e9acdfbca4c48eb12ab1f28515ba10 (patch) | |
| tree | 0a3e0c6e134680e35665364b2cd6895863bcc990 /src/Utility/UserInfo.hs | |
propellor (0.8.1) unstable; urgency=medium
* Run apt-get update in initial bootstrap.
* --list-fields now includes a table of fields that are not currently set,
but would be used if they got set.
* Remove .gitignore from cabal file list, to avoid build failure on Debian.
Closes: #754334
# imported from the archive
Diffstat (limited to 'src/Utility/UserInfo.hs')
| -rw-r--r-- | src/Utility/UserInfo.hs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/Utility/UserInfo.hs b/src/Utility/UserInfo.hs new file mode 100644 index 00000000..617c3e94 --- /dev/null +++ b/src/Utility/UserInfo.hs @@ -0,0 +1,55 @@ +{- user info + - + - Copyright 2012 Joey Hess <joey@kitenet.net> + - + - License: BSD-2-clause + -} + +{-# 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 |
