ghcup-hs/app/ghcup/GHCup/OptParse/ChangeLog.hs

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2021-10-15 20:24:23 +00:00
{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE RankNTypes #-}
module GHCup.OptParse.ChangeLog where
import GHCup.Types
import GHCup.Utils.Logger
import GHCup.OptParse.Common
import GHCup.Utils.String.QQ
#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail ( MonadFail )
#endif
import Control.Monad.Reader
import Control.Monad.Trans.Resource
import Data.Functor
import Data.Maybe
import Options.Applicative hiding ( style )
import Prelude hiding ( appendFile )
import System.Exit
import Text.PrettyPrint.HughesPJClass ( prettyShow )
import qualified Data.Text as T
import Control.Exception.Safe (MonadMask)
import GHCup.Types.Optics
import GHCup.Utils
import Data.Versions
import URI.ByteString (serializeURIRef')
import GHCup.Utils.Prelude
import GHCup.Utils.File (exec)
import Data.Char (toLower)
---------------
--[ Options ]--
---------------
data ChangeLogOptions = ChangeLogOptions
{ clOpen :: Bool
, clTool :: Maybe Tool
, clToolVer :: Maybe ToolVersion
}
---------------
--[ Parsers ]--
---------------
changelogP :: Parser ChangeLogOptions
changelogP =
(\x y -> ChangeLogOptions x y)
<$> switch (short 'o' <> long "open" <> help "xdg-open the changelog url")
<*> optional
(option
(eitherReader
(\s' -> case fmap toLower s' of
"ghc" -> Right GHC
"cabal" -> Right Cabal
"ghcup" -> Right GHCup
"stack" -> Right Stack
e -> Left e
)
)
(short 't' <> long "tool" <> metavar "<ghc|cabal|ghcup>" <> help
"Open changelog for given tool (default: ghc)"
)
)
<*> optional (toolVersionArgument Nothing Nothing)
--------------
--[ Footer ]--
--------------
changeLogFooter :: String
changeLogFooter = [s|Discussion:
By default returns the URI of the ChangeLog of the latest GHC release.
Pass '-o' to automatically open via xdg-open.|]
------------------
--[ Entrypoint ]--
------------------
changelog :: ( Monad m
, MonadMask m
, MonadUnliftIO m
, MonadFail m
)
=> ChangeLogOptions
-> (forall a . ReaderT AppState m a -> m a)
-> (ReaderT LeanAppState m () -> m ())
-> m ExitCode
changelog ChangeLogOptions{..} runAppState runLogger = do
GHCupInfo { _ghcupDownloads = dls } <- runAppState getGHCupInfo
let tool = fromMaybe GHC clTool
ver' = maybe
(Right Latest)
(\case
ToolVersion tv -> Left (_tvVersion tv) -- FIXME: ugly sharing of ToolVersion
ToolTag t -> Right t
)
clToolVer
muri = getChangeLog dls tool ver'
case muri of
Nothing -> do
runLogger
(logWarn $
"Could not find ChangeLog for " <> T.pack (prettyShow tool) <> ", version " <> either prettyVer (T.pack . show) ver'
)
pure ExitSuccess
Just uri -> do
pfreq <- runAppState getPlatformReq
let uri' = T.unpack . decUTF8Safe . serializeURIRef' $ uri
cmd = case _rPlatform pfreq of
Darwin -> "open"
Linux _ -> "xdg-open"
FreeBSD -> "xdg-open"
Windows -> "start"
if clOpen
then do
runAppState $
exec cmd
[T.unpack $ decUTF8Safe $ serializeURIRef' uri]
Nothing
Nothing
>>= \case
Right _ -> pure ExitSuccess
Left e -> logError (T.pack $ prettyShow e)
>> pure (ExitFailure 13)
else liftIO $ putStrLn uri' >> pure ExitSuccess