{-# LANGUAGE NoImplicitPrelude #-}
module Stack.Options.CleanParser where

import           Options.Applicative
import           Stack.Clean                       (CleanCommand(..), CleanOpts (..))
import           Stack.Prelude
import           Stack.Types.PackageName

-- | Command-line parser for the clean command.
cleanOptsParser :: CleanCommand -> Parser CleanOpts
cleanOptsParser :: CleanCommand -> Parser CleanOpts
cleanOptsParser CleanCommand
Clean = [PackageName] -> CleanOpts
CleanShallow ([PackageName] -> CleanOpts)
-> Parser [PackageName] -> Parser CleanOpts
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser [PackageName]
packages Parser CleanOpts -> Parser CleanOpts -> Parser CleanOpts
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> Parser CleanOpts
doFullClean
  where
    packages :: Parser [PackageName]
packages =
        Parser PackageName -> Parser [PackageName]
forall (f :: * -> *) a. Alternative f => f a -> f [a]
many
            (Mod ArgumentFields PackageName -> Parser PackageName
packageNameArgument
                 (String -> Mod ArgumentFields PackageName
forall (f :: * -> *) a. HasMetavar f => String -> Mod f a
metavar String
"PACKAGE" Mod ArgumentFields PackageName
-> Mod ArgumentFields PackageName -> Mod ArgumentFields PackageName
forall a. Semigroup a => a -> a -> a
<>
                  String -> Mod ArgumentFields PackageName
forall (f :: * -> *) a. String -> Mod f a
help String
"If none specified, clean all project packages"))
    doFullClean :: Parser CleanOpts
doFullClean =
        CleanOpts -> Mod FlagFields CleanOpts -> Parser CleanOpts
forall a. a -> Mod FlagFields a -> Parser a
flag'
            CleanOpts
CleanFull
            (String -> Mod FlagFields CleanOpts
forall (f :: * -> *) a. HasName f => String -> Mod f a
long String
"full" Mod FlagFields CleanOpts
-> Mod FlagFields CleanOpts -> Mod FlagFields CleanOpts
forall a. Semigroup a => a -> a -> a
<>
             String -> Mod FlagFields CleanOpts
forall (f :: * -> *) a. String -> Mod f a
help String
"Delete the project’s stack working directories (.stack-work by default).")

cleanOptsParser CleanCommand
Purge = CleanOpts -> Parser CleanOpts
forall (f :: * -> *) a. Applicative f => a -> f a
pure CleanOpts
CleanFull