blob: 6fa2f2c45160a687c6c635d27d7cf75baa3ad457 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
{-
- Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
- This file is licensed under the terms of the MIT License.
- See LICENSE.txt for details.
-}
module Main (main) where
import Options.Applicative
import qualified Environment
data Options = Options
{ global :: Bool
, name :: String
} deriving (Eq, Show)
options :: Parser Options
options = Options
<$> globalOption
<*> nameArg
where
globalOption = switch $
long "global" <> short 'g' <>
help "Whether to unset for all users"
nameArg = argument str $
metavar "NAME" <>
help "Variable name"
main :: IO ()
main = execParser parser >>= unsetEnv
where
parser = info (helper <*> options) $
fullDesc <> progDesc "Unset environment variables"
unsetEnv :: Options -> IO ()
unsetEnv options = Environment.wipeWithPrompt env $ name options
where
env | global options = Environment.AllUsers
| otherwise = Environment.CurrentUser
|
