blob: 767c6819163c58a9b2307240e7cbe8bdab5075b7 (
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
{-
- 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 Control.Monad (void)
import Options.Applicative
import qualified Windows.Environment as Env
import Prompt
import PromptMessage
data Options = Options
{ optYes :: Bool
, optGlobal :: Bool
, optName :: Env.VarName
} deriving (Eq, Show)
optionParser :: Parser Options
optionParser = Options
<$> optYesDesc
<*> optGlobalDesc
<*> optNameDesc
where
optYesDesc = switch $
long "yes" <> short 'y' <>
help "Skip confirmation prompt"
optGlobalDesc = switch $
long "global" <> short 'g' <>
help "Unset for all users"
optNameDesc = argument str $
metavar "NAME" <>
help "Variable name"
main :: IO ()
main = execParser parser >>= unsetEnv
where
parser = info (helper <*> optionParser) $
fullDesc <> progDesc "Unset environment variable"
unsetEnv :: Options -> IO ()
unsetEnv options = void $ promptAnd wipe
where
varName = optName options
forAllUsers = optGlobal options
profile
| forAllUsers = Env.AllUsers
| otherwise = Env.CurrentUser
skipPrompt = optYes options
promptAnd
| skipPrompt = withoutPrompt
| otherwise = withPrompt $ wipeMessage profile varName
wipe = Env.wipe profile varName
|