blob: 2f3b8f7cf891a7560e976235fd9e032ef4d797a4 (
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
61
62
63
64
65
66
67
68
69
70
71
|
-- |
-- Copyright : (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
-- License : MIT
-- Maintainer : Egor.Tensin@gmail.com
-- Stability : experimental
module Main (main) where
import Control.Monad (void)
import Control.Monad.Trans.Class
import Control.Monad.Trans.Except
import System.IO.Error (ioError)
import Options.Applicative
import qualified Windows.Environment as Env
import Prompt
import PromptMessage
data Options = Options
{ optYes :: Bool
, optGlobal :: Bool
, optName :: Env.VarName
, optValue :: Env.VarValue
} deriving (Eq, Show)
optionParser :: Parser Options
optionParser = Options
<$> optYesDesc
<*> optGlobalDesc
<*> optNameDesc
<*> optValueDesc
where
optYesDesc = switch
$ long "yes" <> short 'y'
<> help "Skip confirmation prompt"
optGlobalDesc = switch
$ long "global" <> short 'g'
<> help "Set for all users"
optNameDesc = argument str
$ metavar "NAME"
<> help "Variable name"
optValueDesc = argument str
$ metavar "VALUE"
<> help "Variable value"
main :: IO ()
main = execParser parser >>= setEnv
where
parser = info (helper <*> optionParser) $
fullDesc <> progDesc "Set environment variables"
setEnv :: Options -> IO ()
setEnv options = do
ret <- runExceptT $ lift $ void $ promptAnd $ runExceptT engrave
either ioError return ret
where
varName = optName options
varValue = optValue options
forAllUsers = optGlobal options
profile
| forAllUsers = Env.AllUsers
| otherwise = Env.CurrentUser
skipPrompt = optYes options
promptAnd
| skipPrompt = withoutPrompt
| otherwise = withPrompt $ engraveMessage profile varName "" varValue
engrave = Env.engrave profile varName varValue
|
