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author | Egor Tensin <Egor.Tensin@gmail.com> | 2016-07-17 15:47:51 +0300 |
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committer | Egor Tensin <Egor.Tensin@gmail.com> | 2016-07-17 15:47:51 +0300 |
commit | 8653780e04df0ad0d24b5be15a98bb0dcb01ca30 (patch) | |
tree | 8137ce258398a6c422dc36b8751ffe4f1fc05364 /apps/RemovePath.hs | |
parent | README update (diff) | |
download | windows-env-8653780e04df0ad0d24b5be15a98bb0dcb01ca30.tar.gz windows-env-8653780e04df0ad0d24b5be15a98bb0dcb01ca30.zip |
add command line options to skip prompts
Diffstat (limited to 'apps/RemovePath.hs')
-rw-r--r-- | apps/RemovePath.hs | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/apps/RemovePath.hs b/apps/RemovePath.hs index 87c60a4..8c2bcef 100644 --- a/apps/RemovePath.hs +++ b/apps/RemovePath.hs @@ -16,24 +16,29 @@ import qualified Environment data Options = Options { optName :: String + , optYes :: Bool , optGlobal :: Bool , optPaths :: [String] } deriving (Eq, Show) options = Options <$> optNameDesc + <*> optYesDesc <*> optGlobalDesc <*> optPathsDesc where optNameDesc = strOption $ long "name" <> short 'n' <> metavar "NAME" <> value "PATH" <> - help "Specify variable name ('PATH' by default)" + help "Variable name ('PATH' by default)" + optYesDesc = switch $ + long "yes" <> short 'y' <> + help "Skip confirmation prompt" optGlobalDesc = switch $ long "global" <> short 'g' <> - help "Whether to remove for all users" + help "Remove for all users" optPathsDesc = many $ argument str $ metavar "PATH" <> - help "Directory path(s)" + help "Directories to remove" main :: IO () main = execParser parser >>= removePath @@ -43,18 +48,25 @@ main = execParser parser >>= removePath removePath :: Options -> IO () removePath options = do - removePathFrom Environment.CurrentUser options - when (optGlobal options) $ do - removePathFrom Environment.AllUsers options + removePathFrom Environment.CurrentUser + when forAllUsers $ do + removePathFrom Environment.AllUsers where varName = optName options pathsToRemove = optPaths options - removePathFrom env options = do + forAllUsers = optGlobal options + + removePathFrom env = do oldValue <- Environment.query env varName when (isJust oldValue) $ do let oldPaths = Environment.pathSplit $ fromJust oldValue let newPaths = oldPaths \\ pathsToRemove when (length oldPaths /= length newPaths) $ do let newValue = Environment.pathJoin newPaths - Environment.engraveWithPrompt env varName newValue + engrave env varName newValue + + skipPrompt = optYes options + engrave + | skipPrompt = Environment.engrave + | otherwise = Environment.engraveWithPrompt |