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

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{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DuplicateRecordFields #-}
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{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE NumericUnderscores #-}
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module GHCup.OptParse.Common where
import GHCup
import GHCup.Download
import GHCup.Errors
import GHCup.Platform
import GHCup.Types
import GHCup.Types.Optics
import GHCup.Utils
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import GHCup.Prelude
import GHCup.Prelude.Process
import GHCup.Prelude.Logger
import GHCup.Prelude.MegaParsec
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import Control.DeepSeq
import Control.Concurrent
import Control.Concurrent.Async
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import Control.Exception.Safe
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import Control.Monad.Identity (Identity(..))
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#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail ( MonadFail )
#endif
import Control.Monad.Reader
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import Data.Aeson
#if MIN_VERSION_aeson(2,0,0)
import qualified Data.Aeson.Key as KM
import qualified Data.Aeson.KeyMap as KM
#else
import qualified Data.HashMap.Strict as KM
#endif
import Data.ByteString.Lazy ( ByteString )
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import Data.Bifunctor
import Data.Char
import Data.Either
import Data.Functor
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import Data.List ( nub, sort, sortBy, isPrefixOf, stripPrefix )
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import Data.Maybe
import Data.Text ( Text )
import Data.Versions hiding ( str )
import Data.Void
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import qualified Data.Vector as V
import GHC.IO.Exception
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import Haskus.Utils.Variant.Excepts
import Options.Applicative hiding ( style )
import Prelude hiding ( appendFile )
import Safe
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import System.Process ( readProcess )
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import System.FilePath
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import Text.HTML.TagSoup hiding ( Tag )
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import URI.ByteString
import qualified Data.ByteString.UTF8 as UTF8
import qualified Data.Map.Strict as M
import qualified Data.Text as T
import qualified Text.Megaparsec as MP
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import qualified System.FilePath.Posix as FP
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import GHCup.Version
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import Control.Exception (evaluate)
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import qualified Cabal.Config as CC
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-------------
--[ Types ]--
-------------
data ToolVersion = GHCVersion GHCTargetVersion
| ToolVersion Version
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| ToolTag Tag
-- a superset of ToolVersion
data SetToolVersion = SetGHCVersion GHCTargetVersion
| SetToolVersion Version
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| SetToolTag Tag
| SetRecommended
| SetNext
prettyToolVer :: ToolVersion -> String
prettyToolVer (GHCVersion v') = T.unpack $ tVerToText v'
prettyToolVer (ToolVersion v') = T.unpack $ prettyVer v'
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prettyToolVer (ToolTag t) = show t
toSetToolVer :: Maybe ToolVersion -> SetToolVersion
toSetToolVer (Just (GHCVersion v')) = SetGHCVersion v'
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toSetToolVer (Just (ToolVersion v')) = SetToolVersion v'
toSetToolVer (Just (ToolTag t')) = SetToolTag t'
toSetToolVer Nothing = SetRecommended
--------------
--[ Parser ]--
--------------
toolVersionTagArgument :: Maybe ListCriteria -> Maybe Tool -> Parser ToolVersion
toolVersionTagArgument criteria tool =
argument (eitherReader (parser tool))
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(metavar (mv tool)
<> completer (tagCompleter (fromMaybe GHC tool) [])
<> foldMap (completer . versionCompleter criteria) tool)
where
mv (Just GHC) = "GHC_VERSION|TAG"
mv (Just HLS) = "HLS_VERSION|TAG"
mv _ = "VERSION|TAG"
parser (Just GHC) = ghcVersionTagEither
parser Nothing = ghcVersionTagEither
parser _ = toolVersionTagEither
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versionParser' :: Maybe ListCriteria -> Maybe Tool -> Parser Version
versionParser' criteria tool = argument
(eitherReader (first show . version . T.pack))
(metavar "VERSION" <> foldMap (completer . versionCompleter criteria) tool)
ghcVersionArgument :: Maybe ListCriteria -> Maybe Tool -> Parser GHCTargetVersion
ghcVersionArgument criteria tool = argument (eitherReader ghcVersionEither)
(metavar "VERSION" <> foldMap (completer . versionCompleter criteria) tool)
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-- https://github.com/pcapriotti/optparse-applicative/issues/148
-- | A switch that can be enabled using --foo and disabled using --no-foo.
--
-- The option modifier is applied to only the option that is *not* enabled
-- by default. For example:
--
-- > invertableSwitch "recursive" True (help "do not recurse into directories")
--
-- This example makes --recursive enabled by default, so
-- the help is shown only for --no-recursive.
invertableSwitch
:: String -- ^ long option
-> Maybe Char -- ^ short option for the non-default option
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-> Bool -- ^ is switch enabled by default?
-> Mod FlagFields Bool -- ^ option modifier
-> Parser (Maybe Bool)
invertableSwitch longopt shortopt defv optmod = invertableSwitch' longopt shortopt defv
(if defv then mempty else optmod)
(if defv then optmod else mempty)
-- | Allows providing option modifiers for both --foo and --no-foo.
invertableSwitch'
:: String -- ^ long option (eg "foo")
-> Maybe Char -- ^ short option for the non-default option
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-> Bool -- ^ is switch enabled by default?
-> Mod FlagFields Bool -- ^ option modifier for --foo
-> Mod FlagFields Bool -- ^ option modifier for --no-foo
-> Parser (Maybe Bool)
invertableSwitch' longopt shortopt defv enmod dismod = optional
( flag' True ( enmod <> long longopt <> if defv then mempty else maybe mempty short shortopt)
<|> flag' False (dismod <> long nolongopt <> if defv then maybe mempty short shortopt else mempty)
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)
where
nolongopt = "no-" ++ longopt
---------------------
--[ Either Parser ]--
---------------------
platformParser :: String -> Either String PlatformRequest
platformParser s' = case MP.parse (platformP <* MP.eof) "" (T.pack s') of
Right r -> pure r
Left e -> Left $ errorBundlePretty e
where
archP :: MP.Parsec Void Text Architecture
archP = MP.try (MP.chunk "x86_64" $> A_64) <|> (MP.chunk "i386" $> A_32)
platformP :: MP.Parsec Void Text PlatformRequest
platformP = choice'
[ (`PlatformRequest` FreeBSD)
<$> (archP <* MP.chunk "-")
<*> ( MP.chunk "portbld"
*> ( MP.try (Just <$> verP (MP.chunk "-freebsd" <* MP.eof))
<|> pure Nothing
)
<* MP.chunk "-freebsd"
)
, (`PlatformRequest` Darwin)
<$> (archP <* MP.chunk "-")
<*> ( MP.chunk "apple"
*> ( MP.try (Just <$> verP (MP.chunk "-darwin" <* MP.eof))
<|> pure Nothing
)
<* MP.chunk "-darwin"
)
, (\a d mv -> PlatformRequest a (Linux d) mv)
<$> (archP <* MP.chunk "-")
<*> distroP
<*> ((MP.try (Just <$> verP (MP.chunk "-linux" <* MP.eof)) <|> pure Nothing
)
<* MP.chunk "-linux"
)
]
distroP :: MP.Parsec Void Text LinuxDistro
distroP = choice'
[ MP.chunk "debian" $> Debian
, MP.chunk "deb" $> Debian
, MP.chunk "ubuntu" $> Ubuntu
, MP.chunk "mint" $> Mint
, MP.chunk "fedora" $> Fedora
, MP.chunk "centos" $> CentOS
, MP.chunk "redhat" $> RedHat
, MP.chunk "alpine" $> Alpine
, MP.chunk "gentoo" $> Gentoo
, MP.chunk "exherbo" $> Exherbo
, MP.chunk "unknown" $> UnknownLinux
]
uriParser :: String -> Either String URI
uriParser = first show . parseURI strictURIParserOptions . UTF8.fromString
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absolutePathParser :: FilePath -> Either String FilePath
absolutePathParser f = case isValid f && isAbsolute f of
True -> Right $ normalise f
False -> Left "Please enter a valid absolute filepath."
isolateParser :: FilePath -> Either String FilePath
isolateParser f = case isValid f && isAbsolute f of
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True -> Right $ normalise f
False -> Left "Please enter a valid filepath for isolate dir."
-- this accepts cross prefix
ghcVersionTagEither :: String -> Either String ToolVersion
ghcVersionTagEither s' =
second ToolTag (tagEither s') <|> second GHCVersion (ghcVersionEither s')
-- this ignores cross prefix
toolVersionTagEither :: String -> Either String ToolVersion
toolVersionTagEither s' =
second ToolTag (tagEither s') <|> second ToolVersion (toolVersionEither s')
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tagEither :: String -> Either String Tag
tagEither s' = case fmap toLower s' of
"recommended" -> Right Recommended
"latest" -> Right Latest
('b':'a':'s':'e':'-':ver') -> case pvp (T.pack ver') of
Right x -> Right (Base x)
Left _ -> Left $ "Invalid PVP version for base " <> ver'
other -> Left $ "Unknown tag " <> other
ghcVersionEither :: String -> Either String GHCTargetVersion
ghcVersionEither =
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first (const "Not a valid version") . MP.parse ghcTargetVerP "" . T.pack
toolVersionEither :: String -> Either String Version
toolVersionEither =
first (const "Not a valid version") . MP.parse version' "" . T.pack
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toolParser :: String -> Either String Tool
toolParser s' | t == T.pack "ghc" = Right GHC
| t == T.pack "cabal" = Right Cabal
| t == T.pack "hls" = Right HLS
| t == T.pack "stack" = Right Stack
| otherwise = Left ("Unknown tool: " <> s')
where t = T.toLower (T.pack s')
criteriaParser :: String -> Either String ListCriteria
criteriaParser s' | t == T.pack "installed" = Right ListInstalled
| t == T.pack "set" = Right ListSet
| t == T.pack "available" = Right ListAvailable
| otherwise = Left ("Unknown criteria: " <> s')
where t = T.toLower (T.pack s')
keepOnParser :: String -> Either String KeepDirs
keepOnParser s' | t == T.pack "always" = Right Always
| t == T.pack "errors" = Right Errors
| t == T.pack "never" = Right Never
| otherwise = Left ("Unknown keep value: " <> s')
where t = T.toLower (T.pack s')
downloaderParser :: String -> Either String Downloader
downloaderParser s' | t == T.pack "curl" = Right Curl
| t == T.pack "wget" = Right Wget
#if defined(INTERNAL_DOWNLOADER)
| t == T.pack "internal" = Right Internal
#endif
| otherwise = Left ("Unknown downloader value: " <> s')
where t = T.toLower (T.pack s')
gpgParser :: String -> Either String GPGSetting
gpgParser s' | t == T.pack "strict" = Right GPGStrict
| t == T.pack "lax" = Right GPGLax
| t == T.pack "none" = Right GPGNone
| otherwise = Left ("Unknown gpg setting value: " <> s')
where t = T.toLower (T.pack s')
------------------
--[ Completers ]--
------------------
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toolCompleter :: Completer
toolCompleter = listCompleter ["ghc", "cabal", "hls", "stack"]
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gitFileUri :: [String] -> Completer
gitFileUri add = mkCompleter $ fileUri' (["git://"] <> add)
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fileUri :: Completer
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fileUri = mkCompleter $ fileUri' []
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fileUri' :: [String] -> String -> IO [String]
fileUri' add = \case
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"" -> do
pwd <- getCurrentDirectory
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pure $ ["https://", "http://", "file:///", "file://" <> pwd <> "/"] <> add
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xs
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| "file:///" `isPrefixOf` xs -> fmap ("file://" <>) <$>
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case stripPrefix "file://" xs of
Nothing -> pure []
Just r -> do
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pwd <- getCurrentDirectory
dirs <- compgen "directory" r ["-S", "/"]
files <- filter (\f -> (f <> "/") `notElem` dirs) <$> compgen "file" r []
pure (dirs <> files <> if r `isPrefixOf` pwd then [pwd <> "/"] else [])
| xs `isPrefixOf` "file:///" -> pure ["file:///"]
| xs `isPrefixOf` "https://" -> pure ["https://"]
| xs `isPrefixOf` "http://" -> pure ["http://"]
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| otherwise -> pure []
where
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compgen :: String -> String -> [String] -> IO [String]
compgen action' r opts = do
let cmd = unwords $ ["compgen", "-A", action'] <> opts <> ["--", requote r]
result <- tryIO $ readProcess "bash" ["-c", cmd] ""
return . lines . either (const []) id $ result
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-- | Strongly quote the string we pass to compgen.
--
-- We need to do this so bash doesn't expand out any ~ or other
-- chars we want to complete on, or emit an end of line error
-- when seeking the close to the quote.
--
-- NOTE: copied from https://hackage.haskell.org/package/optparse-applicative-0.17.0.0/docs/src/Options.Applicative.Builder.Completer.html#requote
requote :: String -> String
requote s =
let
-- Bash doesn't appear to allow "mixed" escaping
-- in bash completions. So we don't have to really
-- worry about people swapping between strong and
-- weak quotes.
unescaped =
case s of
-- It's already strongly quoted, so we
-- can use it mostly as is, but we must
-- ensure it's closed off at the end and
-- there's no single quotes in the
-- middle which might confuse bash.
('\'': rs) -> unescapeN rs
-- We're weakly quoted.
('"': rs) -> unescapeD rs
-- We're not quoted at all.
-- We need to unescape some characters like
-- spaces and quotation marks.
elsewise -> unescapeU elsewise
in
strong unescaped
where
strong ss = '\'' : foldr go "'" ss
where
-- If there's a single quote inside the
-- command: exit from the strong quote and
-- emit it the quote escaped, then resume.
go '\'' t = "'\\''" ++ t
go h t = h : t
-- Unescape a strongly quoted string
-- We have two recursive functions, as we
-- can enter and exit the strong escaping.
unescapeN = goX
where
goX ('\'' : xs) = goN xs
goX (x : xs) = x : goX xs
goX [] = []
goN ('\\' : '\'' : xs) = '\'' : goN xs
goN ('\'' : xs) = goX xs
goN (x : xs) = x : goN xs
goN [] = []
-- Unescape an unquoted string
unescapeU = goX
where
goX [] = []
goX ('\\' : x : xs) = x : goX xs
goX (x : xs) = x : goX xs
-- Unescape a weakly quoted string
unescapeD = goX
where
-- Reached an escape character
goX ('\\' : x : xs)
-- If it's true escapable, strip the
-- slashes, as we're going to strong
-- escape instead.
| x `elem` ("$`\"\\\n" :: String) = x : goX xs
| otherwise = '\\' : x : goX xs
-- We've ended quoted section, so we
-- don't recurse on goX, it's done.
goX ('"' : xs)
= xs
-- Not done, but not a special character
-- just continue the fold.
goX (x : xs)
= x : goX xs
goX []
= []
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tagCompleter :: Tool -> [String] -> Completer
tagCompleter tool add = listIOCompleter $ do
dirs' <- liftIO getAllDirs
let loggerConfig = LoggerConfig
{ lcPrintDebug = False
, consoleOutter = mempty
, fileOutter = mempty
, fancyColors = False
}
let appState = LeanAppState
(defaultSettings { noNetwork = True })
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dirs'
defaultKeyBindings
loggerConfig
mGhcUpInfo <- flip runReaderT appState . runE $ getDownloadsF
case mGhcUpInfo of
VRight ghcupInfo -> do
let allTags = filter (/= Old)
$ _viTags =<< M.elems (availableToolVersions (_ghcupDownloads ghcupInfo) tool)
pure $ nub $ (add ++) $ fmap tagToString allTags
VLeft _ -> pure (nub $ ["recommended", "latest"] ++ add)
versionCompleter :: Maybe ListCriteria -> Tool -> Completer
versionCompleter criteria tool = versionCompleter' criteria tool (const True)
versionCompleter' :: Maybe ListCriteria -> Tool -> (Version -> Bool) -> Completer
versionCompleter' criteria tool filter' = listIOCompleter $ do
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dirs' <- liftIO getAllDirs
let loggerConfig = LoggerConfig
{ lcPrintDebug = False
, consoleOutter = mempty
, fileOutter = mempty
, fancyColors = False
}
let settings = defaultSettings { noNetwork = True }
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let leanAppState = LeanAppState
settings
dirs'
defaultKeyBindings
loggerConfig
mpFreq <- flip runReaderT leanAppState . runE $ platformRequest
mGhcUpInfo <- flip runReaderT leanAppState . runE $ getDownloadsF
forFold mpFreq $ \pfreq -> do
forFold mGhcUpInfo $ \ghcupInfo -> do
let appState = AppState
settings
dirs'
defaultKeyBindings
ghcupInfo
pfreq
loggerConfig
runEnv = flip runReaderT appState
installedVersions <- runEnv $ listVersions (Just tool) criteria
return $ fmap (T.unpack . prettyVer) . filter filter' . fmap lVer $ installedVersions
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toolDlCompleter :: Tool -> Completer
toolDlCompleter tool = mkCompleter $ \case
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"" -> pure (initUrl tool <> ["https://", "http://", "file:///"])
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word
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| "file://" `isPrefixOf` word -> fileUri' [] word
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-- downloads.haskell.org
| "https://downloads.haskell.org/" `isPrefixOf` word ->
fmap (completePrefix word) . prefixMatch (FP.takeFileName word) <$> fromHRef word
-- github releases
| "https://github.com/haskell/haskell-language-server/releases/download/" `isPrefixOf` word
, let xs = splitPath word
, (length xs == 6 && last word == '/') || (length xs == 7 && last word /= '/') ->
fmap (\x -> completePrefix word x <> "/") . prefixMatch (FP.takeFileName word) <$> getGithubReleases "haskell" "haskell-language-server"
| "https://github.com/commercialhaskell/stack/releases/download/" == word
, let xs = splitPath word
, (length xs == 6 && last word == '/') || (length xs == 7 && last word /= '/') ->
fmap (\x -> completePrefix word x <> "/") . prefixMatch (FP.takeFileName word) <$> getGithubReleases "commercialhaskell" "stack"
-- github release assets
| "https://github.com/haskell/haskell-language-server/releases/download/" `isPrefixOf` word
, let xs = splitPath word
, (length xs == 7 && last word == '/') || length xs == 8
, let rel = xs !! 6
, length rel > 1 -> do
fmap (completePrefix word) . prefixMatch (FP.takeFileName word) <$> getGithubAssets "haskell" "haskell-language-server" (init rel)
| "https://github.com/commercialhaskell/stack/releases/download/" `isPrefixOf` word
, let xs = splitPath word
, (length xs == 7 && last word == '/') || length xs == 8
, let rel = xs !! 6
, length rel > 1 -> do
fmap (completePrefix word) . prefixMatch (FP.takeFileName word) <$> getGithubAssets "commercialhaskell" "stack" (init rel)
-- github
| "https://github.com/c" `isPrefixOf` word -> pure ["https://github.com/commercialhaskell/stack/releases/download/"]
| "https://github.com/h" `isPrefixOf` word -> pure ["https://github.com/haskell/haskell-language-server/releases/download/"]
| "https://g" `isPrefixOf` word
, tool == Stack -> pure ["https://github.com/commercialhaskell/stack/releases/download/"]
| "https://g" `isPrefixOf` word
, tool == HLS -> pure ["https://github.com/haskell/haskell-language-server/releases/download/"]
| "https://d" `isPrefixOf` word -> pure $ filter ("https://downloads.haskell.org/" `isPrefixOf`) $ initUrl tool
| "h" `isPrefixOf` word -> pure $ initUrl tool
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| word `isPrefixOf` "file:///" -> pure ["file:///"]
| word `isPrefixOf` "https://" -> pure ["https://"]
| word `isPrefixOf` "http://" -> pure ["http://"]
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| otherwise -> pure []
where
initUrl :: Tool -> [String]
initUrl GHC = [ "https://downloads.haskell.org/~ghc/"
, "https://downloads.haskell.org/~ghcup/unofficial-bindists/ghc/"
]
initUrl Cabal = [ "https://downloads.haskell.org/~cabal/"
, "https://downloads.haskell.org/~ghcup/unofficial-bindists/cabal/"
]
initUrl GHCup = [ "https://downloads.haskell.org/~ghcup/" ]
initUrl HLS = [ "https://github.com/haskell/haskell-language-server/releases/download/"
, "https://downloads.haskell.org/~ghcup/unofficial-bindists/haskell-language-server/"
]
initUrl Stack = [ "https://github.com/commercialhaskell/stack/releases/download/"
, "https://downloads.haskell.org/~ghcup/unofficial-bindists/stack/"
]
completePrefix :: String -- ^ url, e.g. 'https://github.com/haskell/haskell-languag'
-> String -- ^ match, e.g. 'haskell-language-server'
-> String -- ^ result, e.g. 'https://github.com/haskell/haskell-language-server'
completePrefix url match =
let base = FP.takeDirectory url
fn = FP.takeFileName url
in if fn `isPrefixOf` match then base <> "/" <> match else url
prefixMatch :: String -> [String] -> [String]
prefixMatch pref = filter (pref `isPrefixOf`)
fromHRef :: String -> IO [String]
fromHRef url = withCurl (FP.takeDirectory url) 2_000_000 $ \stdout ->
pure
. fmap (T.unpack . decUTF8Safe' . fromAttrib "href")
. filter isTagOpen
. filter (~== ("<a href>" :: String))
. parseTags
$ stdout
withCurl :: String -- ^ url
-> Int -- ^ delay
-> (ByteString -> IO [String]) -- ^ callback
-> IO [String]
withCurl url delay cb = do
let limit = threadDelay delay
race limit (executeOut "curl" ["-fL", url] Nothing) >>= \case
Right (CapturedProcess {_exitCode, _stdOut}) -> do
case _exitCode of
ExitSuccess ->
(try @_ @SomeException . cb $ _stdOut) >>= \case
Left _ -> pure []
Right r' -> do
r <- try @_ @SomeException
. evaluate
. force
$ r'
either (\_ -> pure []) pure r
ExitFailure _ -> pure []
Left _ -> pure []
getGithubReleases :: String
-> String
-> IO [String]
getGithubReleases owner repo = withCurl url 3_000_000 $ \stdout -> do
Just xs <- pure $ decode' @Array stdout
fmap V.toList $ forM xs $ \x -> do
(Object r) <- pure x
Just (String name) <- pure $ KM.lookup (mkval "tag_name") r
pure $ T.unpack name
where
url = "https://api.github.com/repos/" <> owner <> "/" <> repo <> "/releases"
getGithubAssets :: String
-> String
-> String
-> IO [String]
getGithubAssets owner repo tag = withCurl url 3_000_000 $ \stdout -> do
Just xs <- pure $ decode' @Object stdout
Just (Array assets) <- pure $ KM.lookup (mkval "assets") xs
as <- fmap V.toList $ forM assets $ \val -> do
(Object asset) <- pure val
Just (String name) <- pure $ KM.lookup (mkval "name") asset
pure $ T.unpack name
pure as
where
url = "https://api.github.com/repos/" <> owner <> "/" <> repo <> "/releases/tags/" <> tag
#if MIN_VERSION_aeson(2,0,0)
mkval = KM.fromString
#else
mkval = id
#endif
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-----------------
--[ Utilities ]--
-----------------
fromVersion :: ( HasLog env
, MonadFail m
, MonadReader env m
, HasGHCupInfo env
, HasDirs env
, MonadThrow m
, MonadIO m
, MonadCatch m
)
=> Maybe ToolVersion
-> Tool
-> Excepts
'[ TagNotFound
, NextVerNotFound
, NoToolVersionSet
] m (GHCTargetVersion, Maybe VersionInfo)
fromVersion tv = fromVersion' (toSetToolVer tv)
fromVersion' :: ( HasLog env
, MonadFail m
, MonadReader env m
, HasGHCupInfo env
, HasDirs env
, MonadThrow m
, MonadIO m
, MonadCatch m
)
=> SetToolVersion
-> Tool
-> Excepts
'[ TagNotFound
, NextVerNotFound
, NoToolVersionSet
] m (GHCTargetVersion, Maybe VersionInfo)
fromVersion' SetRecommended tool = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
bimap mkTVer Just <$> getRecommended dls tool
?? TagNotFound Recommended tool
fromVersion' (SetGHCVersion v) tool = do
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GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
let vi = getVersionInfo (_tvVersion v) tool dls
case pvp $ prettyVer (_tvVersion v) of -- need to be strict here
Left _ -> pure (v, vi)
Right pvpIn ->
lift (getLatestToolFor tool pvpIn dls) >>= \case
Just (pvp_, vi') -> do
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v' <- lift $ pvpToVersion pvp_ ""
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when (v' /= _tvVersion v) $ lift $ logWarn ("Assuming you meant version " <> prettyVer v')
pure (GHCTargetVersion (_tvTarget v) v', Just vi')
Nothing -> pure (v, vi)
fromVersion' (SetToolVersion v) tool = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
let vi = getVersionInfo v tool dls
case pvp $ prettyVer v of -- need to be strict here
Left _ -> pure (mkTVer v, vi)
Right pvpIn ->
lift (getLatestToolFor tool pvpIn dls) >>= \case
Just (pvp_, vi') -> do
v' <- lift $ pvpToVersion pvp_ ""
when (v' /= v) $ lift $ logWarn ("Assuming you meant version " <> prettyVer v')
pure (GHCTargetVersion mempty v', Just vi')
Nothing -> pure (mkTVer v, vi)
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fromVersion' (SetToolTag Latest) tool = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
bimap mkTVer Just <$> getLatest dls tool ?? TagNotFound Latest tool
fromVersion' (SetToolTag Recommended) tool = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
bimap mkTVer Just <$> getRecommended dls tool ?? TagNotFound Recommended tool
fromVersion' (SetToolTag (Base pvp'')) GHC = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
bimap mkTVer Just <$> getLatestBaseVersion dls pvp'' ?? TagNotFound (Base pvp'') GHC
fromVersion' SetNext tool = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
next <- case tool of
GHC -> do
set <- fmap _tvVersion $ ghcSet Nothing !? NoToolVersionSet tool
ghcs <- rights <$> lift getInstalledGHCs
(headMay
. tail
. dropWhile (\GHCTargetVersion {..} -> _tvVersion /= set)
. cycle
. sortBy (\x y -> compare (_tvVersion x) (_tvVersion y))
. filter (\GHCTargetVersion {..} -> isNothing _tvTarget)
$ ghcs) ?? NoToolVersionSet tool
Cabal -> do
set <- cabalSet !? NoToolVersionSet tool
cabals <- rights <$> lift getInstalledCabals
(fmap (GHCTargetVersion Nothing)
. headMay
. tail
. dropWhile (/= set)
. cycle
. sort
$ cabals) ?? NoToolVersionSet tool
HLS -> do
set <- hlsSet !? NoToolVersionSet tool
hlses <- rights <$> lift getInstalledHLSs
(fmap (GHCTargetVersion Nothing)
. headMay
. tail
. dropWhile (/= set)
. cycle
. sort
$ hlses) ?? NoToolVersionSet tool
Stack -> do
set <- stackSet !? NoToolVersionSet tool
stacks <- rights <$> lift getInstalledStacks
(fmap (GHCTargetVersion Nothing)
. headMay
. tail
. dropWhile (/= set)
. cycle
. sort
$ stacks) ?? NoToolVersionSet tool
GHCup -> fail "GHCup cannot be set"
let vi = getVersionInfo (_tvVersion next) tool dls
pure (next, vi)
fromVersion' (SetToolTag t') tool =
throwE $ TagNotFound t' tool
checkForUpdates :: ( MonadReader env m
, HasGHCupInfo env
, HasDirs env
, HasPlatformReq env
, MonadCatch m
, HasLog env
, MonadThrow m
, MonadIO m
, MonadFail m
)
=> m [(Tool, Version)]
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checkForUpdates = do
GHCupInfo { _ghcupDownloads = dls } <- getGHCupInfo
lInstalled <- listVersions Nothing (Just ListInstalled)
let latestInstalled tool = (fmap lVer . lastMay . filter (\lr -> lTool lr == tool)) lInstalled
ghcup <- forMM (getLatest dls GHCup) $ \(l, _) -> do
(Right ghcup_ver) <- pure $ version $ prettyPVP ghcUpVer
if (l > ghcup_ver) then pure $ Just (GHCup, l) else pure Nothing
otherTools <- forM [GHC, Cabal, HLS, Stack] $ \t ->
forMM (getLatest dls t) $ \(l, _) -> do
let mver = latestInstalled t
forMM mver $ \ver ->
if (l > ver) then pure $ Just (t, l) else pure Nothing
pure $ catMaybes (ghcup:otherTools)
where
forMM a f = fmap join $ forM a f
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logGHCPostRm :: (MonadReader env m, HasLog env, MonadIO m) => GHCTargetVersion -> m ()
logGHCPostRm ghcVer = do
cabalStore <- liftIO $ handleIO (\_ -> if isWindows then pure "C:\\cabal\\store" else pure "~/.cabal/store")
(runIdentity . CC.cfgStoreDir <$> CC.readConfig)
let storeGhcDir = cabalStore </> ("ghc-" <> T.unpack (prettyVer $ _tvVersion ghcVer))
logInfo $ T.pack $ "After removing GHC you might also want to clean up your cabal store at: " <> storeGhcDir