105 lines
1.9 KiB
Haskell
105 lines
1.9 KiB
Haskell
{-# LANGUAGE DeriveDataTypeable #-}
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{-# LANGUAGE RecordWildCards #-}
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module Main
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( main
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)
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where
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-- licensor
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import Licensor
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-- base
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import Control.Monad
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import Data.List
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import Data.Monoid ((<>))
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import qualified Data.Version as Version
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import System.Environment
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import qualified System.Exit as Exit
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-- Cabal
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import Distribution.PackageDescription
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import Distribution.Text
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-- cmdargs
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import System.Console.CmdArgs
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-- containers
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import qualified Data.Map.Strict as Map
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import qualified Data.Set as Set
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-- |
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--
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--
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data LiArgs =
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LiArgs
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{
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}
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deriving (Data)
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-- |
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--
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--
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liArgs :: String -> Mode (CmdArgs LiArgs)
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liArgs s =
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cmdArgsMode $
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LiArgs
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{
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}
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&= program s
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&= summary (unwords ["licensor", Version.showVersion version])
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-- |
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--
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--
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main :: IO ()
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main = do
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LiArgs <- cmdArgsRun . liArgs =<< getProgName
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maybePackage <- getPackage
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pid <-
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case maybePackage of
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Nothing ->
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Exit.die "Error: No Cabal file found."
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Just PackageDescription{..} -> do
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putStrLn $
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"Package: "
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<> display package
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<> " ("
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<> "License: "
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<> display license
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<> ")"
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return package
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maybeDependencies <- getDependencies
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case maybeDependencies of
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Nothing ->
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Exit.die "Error: ..."
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Just dependencies -> do
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dependenciesByLicense <-
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fmap (Set.map display) <$> orderPackagesByLicense pid dependencies
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forM_ (Map.keys dependenciesByLicense) $
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\license ->
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let
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n = dependenciesByLicense Map.! license
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in do
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putStrLn "-----"
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putStrLn $
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show (Set.size n)
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<> (if Set.size n == 1 then " package " else " packages ")
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<> "licensed under "
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<> display license
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<> ": "
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<> intercalate ", " (Set.toList n)
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