blob: 4c4f289f2afd273a960f79835a8014b99ca6121e (
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
72
73
74
75
76
|
{-
- 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, when)
import Data.List ((\\))
import Data.Maybe (fromJust, isJust)
import Options.Applicative
import qualified Windows.Environment as Env
import Prompt
import PromptMessage
data Options = Options
{ optName :: Env.VarName
, optYes :: Bool
, optGlobal :: Bool
, optPaths :: [Env.VarValue]
} deriving (Eq, Show)
optionParser :: Parser Options
optionParser = Options
<$> optNameDesc
<*> optYesDesc
<*> optGlobalDesc
<*> optPathsDesc
where
optNameDesc = strOption $
long "name" <> short 'n' <> metavar "NAME" <> value "PATH" <>
help "Variable name ('PATH' by default)"
optYesDesc = switch $
long "yes" <> short 'y' <>
help "Skip confirmation prompt"
optGlobalDesc = switch $
long "global" <> short 'g' <>
help "Remove for all users"
optPathsDesc = many $ argument str $
metavar "PATH" <>
help "Directories to remove"
main :: IO ()
main = execParser parser >>= removePath
where
parser = info (helper <*> optionParser) $
fullDesc <> progDesc "Remove directories from your PATH"
removePath :: Options -> IO ()
removePath options = do
removePathFrom Env.CurrentUser
when forAllUsers $ do
removePathFrom Env.AllUsers
where
varName = optName options
pathsToRemove = optPaths options
forAllUsers = optGlobal options
skipPrompt = optYes options
removePathFrom profile = do
oldValue <- Env.query profile varName
when (isJust oldValue) $ do
let oldPaths = Env.pathSplit $ fromJust oldValue
let newPaths = oldPaths \\ pathsToRemove
when (length oldPaths /= length newPaths) $ do
let newValue = Env.pathJoin newPaths
let promptAnd = if skipPrompt
then withoutPrompt
else withPrompt $ engraveMessage profile varName oldValue newValue
let engrave = Env.engrave profile varName newValue
void $ promptAnd engrave
|
