/
GHCup.hs
2262 lines (1988 loc) · 76.1 KB
/
GHCup.hs
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{-# LANGUAGE CPP #-}
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE QuasiQuotes #-}
{-|
Module : GHCup
Description : GHCup installation functions
Copyright : (c) Julian Ospald, 2020
License : LGPL-3.0
Maintainer : hasufell@hasufell.de
Stability : experimental
Portability : portable
This module contains the main functions that correspond
to the command line interface, like installation, listing versions
and so on.
These are the entry points.
-}
module GHCup where
import GHCup.Download
import GHCup.Errors
import GHCup.Platform
import GHCup.Types
import GHCup.Types.JSON ( )
import GHCup.Types.Optics
import GHCup.Utils
import GHCup.Utils.File
import GHCup.Utils.Prelude
import GHCup.Utils.String.QQ
import GHCup.Utils.Version.QQ
import GHCup.Version
#if !defined(TAR)
import Codec.Archive ( ArchiveResult )
#endif
import Control.Applicative
import Control.DeepSeq ( force )
import Control.Exception ( evaluate )
import Control.Exception.Safe
import Control.Monad
#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail ( MonadFail )
#endif
import Control.Monad.Logger
import Control.Monad.Reader
import Control.Monad.Trans.Resource
hiding ( throwM )
#if defined(IS_WINDOWS)
import Control.Monad.IO.Unlift ( MonadUnliftIO( withRunInIO ) )
#endif
import Data.ByteString ( ByteString )
import Data.Either
import Data.List
import Data.List.Extra
import Data.Maybe
import Data.String ( fromString )
import Data.String.Interpolate
import Data.Text ( Text )
import Data.Time.Clock
import Data.Time.Format.ISO8601
import Data.Versions
import GHC.IO.Exception
import Haskus.Utils.Variant.Excepts
import Optics
import Prelude hiding ( abs
, readFile
, writeFile
)
import Safe hiding ( at )
import System.Directory hiding ( findFiles )
import System.Environment
import System.FilePath
import System.IO.Error
#if defined(IS_WINDOWS)
import System.IO.Temp
#endif
import Text.PrettyPrint.HughesPJClass ( prettyShow )
import Text.Regex.Posix
import qualified Crypto.Hash.SHA256 as SHA256
import qualified Data.ByteString.Base16 as B16
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as BL
import qualified Data.Map.Strict as Map
import qualified Data.Text as T
import qualified Data.Text.Encoding as E
#if defined(IS_WINDOWS)
import qualified System.Win32.File as Win32
#endif
import qualified Text.Megaparsec as MP
import GHCup.Utils.MegaParsec
import Control.Concurrent (threadDelay)
---------------------
--[ Tool fetching ]--
---------------------
fetchToolBindist :: ( MonadFail m
, MonadMask m
, MonadCatch m
, MonadReader env m
, HasDirs env
, HasSettings env
, HasPlatformReq env
, HasGHCupInfo env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
)
=> Version
-> Tool
-> Maybe FilePath
-> Excepts
'[ DigestError
, DownloadFailed
, NoDownload
]
m
FilePath
fetchToolBindist v t mfp = do
dlinfo <- liftE $ getDownloadInfo t v
liftE $ downloadCached' dlinfo Nothing mfp
fetchGHCSrc :: ( MonadFail m
, MonadMask m
, MonadCatch m
, MonadReader env m
, HasDirs env
, HasSettings env
, HasPlatformReq env
, HasGHCupInfo env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
)
=> Version
-> Maybe FilePath
-> Excepts
'[ DigestError
, DownloadFailed
, NoDownload
]
m
FilePath
fetchGHCSrc v mfp = do
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
dlInfo <-
preview (ix GHC % ix v % viSourceDL % _Just) dls
?? NoDownload
liftE $ downloadCached' dlInfo Nothing mfp
-------------------------
--[ Tool installation ]--
-------------------------
-- | Like 'installGHCBin', except takes the 'DownloadInfo' as
-- argument instead of looking it up from 'GHCupDownloads'.
installGHCBindist :: ( MonadFail m
, MonadMask m
, MonadCatch m
, MonadReader env m
, HasDirs env
, HasSettings env
, HasPlatformReq env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
)
=> DownloadInfo -- ^ where/how to download
-> Version -- ^ the version to install
-> Excepts
'[ AlreadyInstalled
, BuildFailed
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installGHCBindist dlinfo ver = do
let tver = mkTVer ver
lift $ $(logDebug) [i|Requested to install GHC with #{ver}|]
whenM (lift $ ghcInstalled tver) (throwE $ AlreadyInstalled GHC ver)
-- download (or use cached version)
dl <- liftE $ downloadCached dlinfo Nothing
-- prepare paths
ghcdir <- lift $ ghcupGHCDir tver
toolchainSanityChecks
liftE $ installPackedGHC dl (view dlSubdir dlinfo) ghcdir ver
liftE $ postGHCInstall tver
where
toolchainSanityChecks = do
r <- forM ["CC", "LD"] (liftIO . lookupEnv)
case catMaybes r of
[] -> pure ()
_ -> do
lift $ $(logWarn) "CC/LD environment variable is set. This will change the compiler/linker"
lift $ $(logWarn) "GHC uses internally and can cause defunct GHC in some cases (e.g. in Anaconda"
lift $ $(logWarn) "environments). If you encounter problems, unset CC and LD and reinstall."
-- | Install a packed GHC distribution. This only deals with unpacking and the GHC
-- build system and nothing else.
installPackedGHC :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasDirs env
, HasPlatformReq env
, HasSettings env
, MonadThrow m
, MonadLogger m
, MonadIO m
, MonadUnliftIO m
)
=> FilePath -- ^ Path to the packed GHC bindist
-> Maybe TarDir -- ^ Subdir of the archive
-> FilePath -- ^ Path to install to
-> Version -- ^ The GHC version
-> Excepts
'[ BuildFailed
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
] m ()
installPackedGHC dl msubdir inst ver = do
PlatformRequest {..} <- lift getPlatformReq
-- unpack
tmpUnpack <- lift mkGhcupTmpDir
liftE $ unpackToDir tmpUnpack dl
void $ lift $ darwinNotarization _rPlatform tmpUnpack
-- the subdir of the archive where we do the work
workdir <- maybe (pure tmpUnpack)
(liftE . intoSubdir tmpUnpack)
msubdir
liftE $ runBuildAction tmpUnpack
(Just inst)
(installUnpackedGHC workdir inst ver)
-- | Install an unpacked GHC distribution. This only deals with the GHC
-- build system and nothing else.
installUnpackedGHC :: ( MonadReader env m
, HasPlatformReq env
, HasDirs env
, HasSettings env
, MonadThrow m
, MonadLogger m
, MonadIO m
, MonadUnliftIO m
, MonadMask m
)
=> FilePath -- ^ Path to the unpacked GHC bindist (where the configure script resides)
-> FilePath -- ^ Path to install to
-> Version -- ^ The GHC version
-> Excepts '[ProcessError] m ()
installUnpackedGHC path inst ver = do
#if defined(IS_WINDOWS)
lift $ $(logInfo) "Installing GHC (this may take a while)"
-- Windows bindists are relocatable and don't need
-- to run configure.
-- We also must make sure to preserve mtime to not confuse ghc-pkg.
lift $ withRunInIO $ \run -> flip onException (run $ recyclePathForcibly inst) $ copyDirectoryRecursive path inst $ \source dest -> do
mtime <- getModificationTime source
Win32.moveFile source dest
setModificationTime dest mtime
#else
PlatformRequest {..} <- lift getPlatformReq
liftIO $ copyDirectoryRecursive path inst $ \source dest -> do
mtime <- getModificationTime source
copyFile source dest
setModificationTime dest mtime
let alpineArgs
| ver >= [vver|8.2.2|], Linux Alpine <- _rPlatform
= ["--disable-ld-override"]
| otherwise
= []
lift $ $(logInfo) "Installing GHC (this may take a while)"
lEM $ execLogged "sh"
("./configure" : ("--prefix=" <> inst)
: alpineArgs
)
(Just path)
"ghc-configure"
Nothing
lEM $ make ["install"] (Just path)
pure ()
#endif
-- | Installs GHC into @~\/.ghcup\/ghc/\<ver\>@ and places the
-- following symlinks in @~\/.ghcup\/bin@:
--
-- * @ghc-x.y.z -> ..\/ghc\/x.y.z\/bin/ghc@
-- * @ghc-x.y -> ..\/ghc\/x.y.z\/bin/ghc@ (if x.y.z is the latest x.y version)
installGHCBin :: ( MonadFail m
, MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasGHCupInfo env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
)
=> Version -- ^ the version to install
-> Excepts
'[ AlreadyInstalled
, BuildFailed
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installGHCBin ver = do
dlinfo <- liftE $ getDownloadInfo GHC ver
installGHCBindist dlinfo ver
-- | Like 'installCabalBin', except takes the 'DownloadInfo' as
-- argument instead of looking it up from 'GHCupDownloads'.
installCabalBindist :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> DownloadInfo
-> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installCabalBindist dlinfo ver = do
lift $ $(logDebug) [i|Requested to install cabal version #{ver}|]
PlatformRequest {..} <- lift getPlatformReq
Dirs {..} <- lift getDirs
whenM
(lift (cabalInstalled ver) >>= \a -> liftIO $
handleIO (\_ -> pure False)
$ fmap (\x -> a && x)
-- ignore when the installation is a legacy cabal (binary, not symlink)
$ pathIsLink (binDir </> "cabal" <> exeExt)
)
(throwE $ AlreadyInstalled Cabal ver)
-- download (or use cached version)
dl <- liftE $ downloadCached dlinfo Nothing
-- unpack
tmpUnpack <- lift withGHCupTmpDir
liftE $ unpackToDir tmpUnpack dl
void $ lift $ darwinNotarization _rPlatform tmpUnpack
-- the subdir of the archive where we do the work
workdir <- maybe (pure tmpUnpack) (liftE . intoSubdir tmpUnpack) (view dlSubdir dlinfo)
liftE $ installCabal' workdir binDir
-- create symlink if this is the latest version
cVers <- lift $ fmap rights getInstalledCabals
let lInstCabal = headMay . reverse . sort $ cVers
when (maybe True (ver >=) lInstCabal) $ liftE $ setCabal ver
where
-- | Install an unpacked cabal distribution.
installCabal' :: (MonadLogger m, MonadCatch m, MonadIO m)
=> FilePath -- ^ Path to the unpacked cabal bindist (where the executable resides)
-> FilePath -- ^ Path to install to
-> Excepts '[CopyError] m ()
installCabal' path inst = do
lift $ $(logInfo) "Installing cabal"
let cabalFile = "cabal"
liftIO $ createDirRecursive' inst
let destFileName = cabalFile <> "-" <> T.unpack (prettyVer ver) <> exeExt
let destPath = inst </> destFileName
handleIO (throwE . CopyError . show) $ liftIO $ copyFile
(path </> cabalFile <> exeExt)
destPath
lift $ chmod_755 destPath
-- | Installs cabal into @~\/.ghcup\/bin/cabal-\<ver\>@ and
-- creates a default @cabal -> cabal-x.y.z.q@ symlink for
-- the latest installed version.
installCabalBin :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasGHCupInfo env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installCabalBin ver = do
dlinfo <- liftE $ getDownloadInfo Cabal ver
installCabalBindist dlinfo ver
-- | Like 'installHLSBin, except takes the 'DownloadInfo' as
-- argument instead of looking it up from 'GHCupDownloads'.
installHLSBindist :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> DownloadInfo
-> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installHLSBindist dlinfo ver = do
lift $ $(logDebug) [i|Requested to install hls version #{ver}|]
PlatformRequest {..} <- lift getPlatformReq
Dirs {..} <- lift getDirs
whenM (lift (hlsInstalled ver))
(throwE $ AlreadyInstalled HLS ver)
-- download (or use cached version)
dl <- liftE $ downloadCached dlinfo Nothing
-- unpack
tmpUnpack <- lift withGHCupTmpDir
liftE $ unpackToDir tmpUnpack dl
void $ lift $ darwinNotarization _rPlatform tmpUnpack
-- the subdir of the archive where we do the work
workdir <- maybe (pure tmpUnpack) (liftE . intoSubdir tmpUnpack) (view dlSubdir dlinfo)
liftE $ installHLS' workdir binDir
-- create symlink if this is the latest version
hlsVers <- lift $ fmap rights getInstalledHLSs
let lInstHLS = headMay . reverse . sort $ hlsVers
when (maybe True (ver >=) lInstHLS) $ liftE $ setHLS ver
where
-- | Install an unpacked hls distribution.
installHLS' :: (MonadFail m, MonadLogger m, MonadCatch m, MonadIO m)
=> FilePath -- ^ Path to the unpacked hls bindist (where the executable resides)
-> FilePath -- ^ Path to install to
-> Excepts '[CopyError] m ()
installHLS' path inst = do
lift $ $(logInfo) "Installing HLS"
liftIO $ createDirRecursive' inst
-- install haskell-language-server-<ghcver>
bins@(_:_) <- liftIO $ findFiles
path
(makeRegexOpts compExtended
execBlank
([s|^haskell-language-server-[0-9].*$|] :: ByteString)
)
forM_ bins $ \f -> do
let toF = dropSuffix exeExt f
<> "~" <> T.unpack (prettyVer ver) <> exeExt
handleIO (throwE . CopyError . show) $ liftIO $ copyFile
(path </> f)
(inst </> toF)
lift $ chmod_755 (inst </> toF)
-- install haskell-language-server-wrapper
let wrapper = "haskell-language-server-wrapper"
toF = wrapper <> "-" <> T.unpack (prettyVer ver) <> exeExt
handleIO (throwE . CopyError . show) $ liftIO $ copyFile
(path </> wrapper <> exeExt)
(inst </> toF)
lift $ chmod_755 (inst </> toF)
-- | Installs hls binaries @haskell-language-server-\<ghcver\>@
-- into @~\/.ghcup\/bin/@, as well as @haskell-languager-server-wrapper@.
installHLSBin :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasGHCupInfo env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installHLSBin ver = do
dlinfo <- liftE $ getDownloadInfo HLS ver
installHLSBindist dlinfo ver
-- | Installs stack into @~\/.ghcup\/bin/stack-\<ver\>@ and
-- creates a default @stack -> stack-x.y.z.q@ symlink for
-- the latest installed version.
installStackBin :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasDirs env
, HasSettings env
, HasPlatformReq env
, HasGHCupInfo env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installStackBin ver = do
dlinfo <- liftE $ getDownloadInfo Stack ver
installStackBindist dlinfo ver
-- | Like 'installStackBin', except takes the 'DownloadInfo' as
-- argument instead of looking it up from 'GHCupDownloads'.
installStackBindist :: ( MonadMask m
, MonadCatch m
, MonadReader env m
, HasPlatformReq env
, HasDirs env
, HasSettings env
, MonadLogger m
, MonadResource m
, MonadIO m
, MonadUnliftIO m
, MonadFail m
)
=> DownloadInfo
-> Version
-> Excepts
'[ AlreadyInstalled
, CopyError
, DigestError
, DownloadFailed
, NoDownload
, NotInstalled
, UnknownArchive
, TarDirDoesNotExist
#if !defined(TAR)
, ArchiveResult
#endif
]
m
()
installStackBindist dlinfo ver = do
lift $ $(logDebug) [i|Requested to install stack version #{ver}|]
PlatformRequest {..} <- lift getPlatformReq
Dirs {..} <- lift getDirs
whenM (lift (stackInstalled ver))
(throwE $ AlreadyInstalled Stack ver)
-- download (or use cached version)
dl <- liftE $ downloadCached dlinfo Nothing
-- unpack
tmpUnpack <- lift withGHCupTmpDir
liftE $ unpackToDir tmpUnpack dl
void $ lift $ darwinNotarization _rPlatform tmpUnpack
-- the subdir of the archive where we do the work
workdir <- maybe (pure tmpUnpack) (liftE . intoSubdir tmpUnpack) (view dlSubdir dlinfo)
liftE $ installStack' workdir binDir
-- create symlink if this is the latest version
sVers <- lift $ fmap rights getInstalledStacks
let lInstStack = headMay . reverse . sort $ sVers
when (maybe True (ver >=) lInstStack) $ liftE $ setStack ver
where
-- | Install an unpacked stack distribution.
installStack' :: (MonadLogger m, MonadCatch m, MonadIO m)
=> FilePath -- ^ Path to the unpacked stack bindist (where the executable resides)
-> FilePath -- ^ Path to install to
-> Excepts '[CopyError] m ()
installStack' path inst = do
lift $ $(logInfo) "Installing stack"
let stackFile = "stack"
liftIO $ createDirRecursive' inst
let destFileName = stackFile <> "-" <> T.unpack (prettyVer ver) <> exeExt
let destPath = inst </> destFileName
handleIO (throwE . CopyError . show) $ liftIO $ copyFile
(path </> stackFile <> exeExt)
destPath
lift $ chmod_755 destPath
---------------------
--[ Set GHC/cabal ]--
---------------------
-- | Set GHC symlinks in @~\/.ghcup\/bin@ for the requested GHC version. The behavior depends
-- on `SetGHC`:
--
-- * SetGHCOnly: @~\/.ghcup\/bin\/ghc -> ~\/.ghcup\/ghc\/\<ver\>\/bin\/ghc@
-- * SetGHC_XY: @~\/.ghcup\/bin\/ghc-X.Y -> ~\/.ghcup\/ghc\/\<ver\>\/bin\/ghc@
-- * SetGHC_XYZ: @~\/.ghcup\/bin\/ghc-\<ver\> -> ~\/.ghcup\/ghc\/\<ver\>\/bin\/ghc@
--
-- Additionally creates a @~\/.ghcup\/share -> ~\/.ghcup\/ghc\/\<ver\>\/share symlink@
-- for 'SetGHCOnly' constructor.
setGHC :: ( MonadReader env m
, HasDirs env
, MonadLogger m
, MonadThrow m
, MonadFail m
, MonadIO m
, MonadCatch m
, MonadMask m
, MonadUnliftIO m
)
=> GHCTargetVersion
-> SetGHC
-> Excepts '[NotInstalled] m GHCTargetVersion
setGHC ver sghc = do
let verS = T.unpack $ prettyVer (_tvVersion ver)
ghcdir <- lift $ ghcupGHCDir ver
whenM (lift $ not <$> ghcInstalled ver) (throwE (NotInstalled GHC ver))
-- symlink destination
Dirs {..} <- lift getDirs
-- first delete the old symlinks (this fixes compatibility issues
-- with old ghcup)
case sghc of
SetGHCOnly -> liftE $ rmPlain (_tvTarget ver)
SetGHC_XY -> liftE $ rmMajorSymlinks ver
SetGHC_XYZ -> liftE $ rmMinorSymlinks ver
-- for ghc tools (ghc, ghci, haddock, ...)
verfiles <- ghcToolFiles ver
forM_ verfiles $ \file -> do
mTargetFile <- case sghc of
SetGHCOnly -> pure $ Just file
SetGHC_XY -> do
handle
(\(e :: ParseError) -> lift $ $(logWarn) [i|#{e}|] >> pure Nothing)
$ do
(mj, mi) <- getMajorMinorV (_tvVersion ver)
let major' = intToText mj <> "." <> intToText mi
pure $ Just (file <> "-" <> T.unpack major')
SetGHC_XYZ ->
pure $ Just (file <> "-" <> verS)
-- create symlink
forM mTargetFile $ \targetFile -> do
let fullF = binDir </> targetFile <> exeExt
fileWithExt = file <> exeExt
destL <- lift $ ghcLinkDestination fileWithExt ver
lift $ createLink destL fullF
-- create symlink for share dir
when (isNothing . _tvTarget $ ver) $ lift $ symlinkShareDir ghcdir verS
pure ver
where
symlinkShareDir :: ( MonadReader env m
, HasDirs env
, MonadIO m
, MonadLogger m
, MonadCatch m
, MonadMask m
)
=> FilePath
-> String
-> m ()
symlinkShareDir ghcdir ver' = do
Dirs {..} <- getDirs
let destdir = baseDir
case sghc of
SetGHCOnly -> do
let sharedir = "share"
let fullsharedir = ghcdir </> sharedir
whenM (liftIO $ doesDirectoryExist fullsharedir) $ do
let fullF = destdir </> sharedir
let targetF = "." </> "ghc" </> ver' </> sharedir
$(logDebug) [i|rm -f #{fullF}|]
hideError doesNotExistErrorType $ rmDirectoryLink fullF
$(logDebug) [i|ln -s #{targetF} #{fullF}|]
liftIO
#if defined(IS_WINDOWS)
-- On windows we need to be more permissive
-- in case symlinks can't be created, be just
-- give up here. This symlink isn't strictly necessary.
$ hideError permissionErrorType
$ hideError illegalOperationErrorType
#endif
$ createDirectoryLink targetF fullF
_ -> pure ()
-- | Set the @~\/.ghcup\/bin\/cabal@ symlink.
setCabal :: ( MonadMask m
, MonadReader env m
, HasDirs env
, MonadLogger m
, MonadThrow m
, MonadFail m
, MonadIO m
, MonadUnliftIO m)
=> Version
-> Excepts '[NotInstalled] m ()
setCabal ver = do
let targetFile = "cabal-" <> T.unpack (prettyVer ver) <> exeExt
-- symlink destination
Dirs {..} <- lift getDirs
whenM (liftIO $ not <$> doesFileExist (binDir </> targetFile))
$ throwE
$ NotInstalled Cabal (GHCTargetVersion Nothing ver)
let cabalbin = binDir </> "cabal" <> exeExt
-- create link
let destL = targetFile
lift $ createLink destL cabalbin
pure ()
-- | Set the haskell-language-server symlinks.
setHLS :: ( MonadCatch m
, MonadReader env m
, HasDirs env
, MonadLogger m
, MonadThrow m
, MonadFail m
, MonadIO m
, MonadMask m
, MonadUnliftIO m
)
=> Version
-> Excepts '[NotInstalled] m ()
setHLS ver = do
Dirs {..} <- lift getDirs
-- Delete old symlinks, since these might have different ghc versions than the
-- selected version, so we could end up with stray or incorrect symlinks.
oldSyms <- lift hlsSymlinks
forM_ oldSyms $ \f -> do
lift $ $(logDebug) [i|rm #{binDir </> f}|]
lift $ rmLink (binDir </> f)
-- set haskell-language-server-<ghcver> symlinks
bins <- lift $ hlsServerBinaries ver
when (null bins) $ throwE $ NotInstalled HLS (GHCTargetVersion Nothing ver)
forM_ bins $ \f -> do
let destL = f
let target = (<> exeExt) . head . splitOn "~" $ f
lift $ createLink destL (binDir </> target)
-- set haskell-language-server-wrapper symlink
let destL = "haskell-language-server-wrapper-" <> T.unpack (prettyVer ver) <> exeExt
let wrapper = binDir </> "haskell-language-server-wrapper" <> exeExt
lift $ createLink destL wrapper
pure ()
-- | Set the @~\/.ghcup\/bin\/stack@ symlink.
setStack :: ( MonadMask m
, MonadReader env m
, HasDirs env
, MonadLogger m
, MonadThrow m
, MonadFail m
, MonadIO m
, MonadUnliftIO m
)
=> Version
-> Excepts '[NotInstalled] m ()
setStack ver = do
let targetFile = "stack-" <> T.unpack (prettyVer ver) <> exeExt
-- symlink destination
Dirs {..} <- lift getDirs
whenM (liftIO $ not <$> doesFileExist (binDir </> targetFile))
$ throwE
$ NotInstalled Stack (GHCTargetVersion Nothing ver)
let stackbin = binDir </> "stack" <> exeExt
lift $ createLink targetFile stackbin
pure ()
------------------
--[ List tools ]--
------------------
-- | Filter data type for 'listVersions'.
data ListCriteria = ListInstalled
| ListSet
deriving Show
-- | A list result describes a single tool version
-- and various of its properties.
data ListResult = ListResult
{ lTool :: Tool
, lVer :: Version
, lCross :: Maybe Text -- ^ currently only for GHC
, lTag :: [Tag]
, lInstalled :: Bool
, lSet :: Bool -- ^ currently active version
, fromSrc :: Bool -- ^ compiled from source
, lStray :: Bool -- ^ not in download info
, lNoBindist :: Bool -- ^ whether the version is available for this platform/arch
, hlsPowered :: Bool
}
deriving (Eq, Ord, Show)
-- | Extract all available tool versions and their tags.
availableToolVersions :: GHCupDownloads -> Tool -> Map.Map Version VersionInfo
availableToolVersions av tool = view
(at tool % non Map.empty)
av
-- | List all versions from the download info, as well as stray
-- versions.
listVersions :: ( MonadCatch m
, MonadLogger m
, MonadThrow m
, MonadLogger m
, MonadIO m
, MonadReader env m
, HasDirs env
, HasPlatformReq env
, HasGHCupInfo env
)
=> Maybe Tool
-> Maybe ListCriteria
-> m [ListResult]
listVersions lt' criteria = do
-- some annoying work to avoid too much repeated IO
cSet <- cabalSet
cabals <- getInstalledCabals
hlsSet' <- hlsSet
hlses <- getInstalledHLSs
sSet <- stackSet
stacks <- getInstalledStacks
go lt' cSet cabals hlsSet' hlses sSet stacks
where
go lt cSet cabals hlsSet' hlses sSet stacks = do