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Smarter variants for 'listDirectory', fixing #797

This commit is contained in:
Julian Ospald 2023-02-23 21:47:50 +08:00
parent 7ac8989dfc
commit b547324253
Signed by: hasufell
GPG Key ID: 3786C5262ECB4A3F
2 changed files with 32 additions and 7 deletions
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12
lib/GHCup/Utils.hs
View File

@ -335,7 +335,7 @@ ghcSet mtarget = do
getInstalledGHCs :: (MonadReader env m, HasDirs env, MonadIO m) => m [Either FilePath GHCTargetVersion]
getInstalledGHCs = do
ghcdir <- ghcupGHCBaseDir
fs <- liftIO $ hideErrorDef [NoSuchThing] [] $ listDirectory (fromGHCupPath ghcdir)
fs <- liftIO $ hideErrorDef [NoSuchThing] [] $ listDirectoryDirs (fromGHCupPath ghcdir)
forM fs $ \f -> case parseGHCupGHCDir f of
Right r -> pure $ Right r
Left _ -> pure $ Left f
@ -438,7 +438,7 @@ getInstalledHLSs = do
Nothing -> pure $ Left f
hlsdir <- ghcupHLSBaseDir
fs <- liftIO $ hideErrorDef [NoSuchThing] [] $ listDirectory (fromGHCupPath hlsdir)
fs <- liftIO $ hideErrorDef [NoSuchThing] [] $ listDirectoryDirs (fromGHCupPath hlsdir)
new <- forM fs $ \f -> case parseGHCupHLSDir f of
Right r -> pure $ Right r
Left _ -> pure $ Left f
@ -626,7 +626,7 @@ hlsInternalServerScripts ver mghcVer = do
dir <- ghcupHLSDir ver
let bdir = fromGHCupPath dir </> "bin"
fmap (bdir </>) . filter (\f -> maybe True (\gv -> ("-" <> T.unpack (prettyVer gv)) `isSuffixOf` f) mghcVer)
<$> liftIO (listDirectory bdir)
<$> liftIO (listDirectoryFiles bdir)
-- | Get all binaries for a hls version from the ~/.ghcup/hls/<ver>/lib/haskell-language-server-<ver>/bin directory, if any.
-- Returns the full path.
@ -639,7 +639,7 @@ hlsInternalServerBinaries ver mghcVer = do
let regex = makeRegexOpts compExtended execBlank ([s|^haskell-language-server-.*$|] :: ByteString)
(Just bdir) <- fmap headMay $ liftIO $ expandFilePath [Left (dir </> "lib"), Right regex, Left "bin"]
fmap (bdir </>) . filter (\f -> maybe True (\gv -> ("-" <> T.unpack (prettyVer gv)) `isSuffixOf` f) mghcVer)
<$> liftIO (listDirectory bdir)
<$> liftIO (listDirectoryFiles bdir)
-- | Get all libraries for a hls version from the ~/.ghcup/hls/<ver>/lib/haskell-language-server-<ver>/lib/<ghc-ver>/
-- directory, if any.
@ -652,7 +652,7 @@ hlsInternalServerLibs ver ghcVer = do
dir <- fromGHCupPath <$> ghcupHLSDir ver
let regex = makeRegexOpts compExtended execBlank ([s|^haskell-language-server-.*$|] :: ByteString)
(Just bdir) <- fmap headMay $ liftIO $ expandFilePath [Left (dir </> "lib"), Right regex, Left ("lib" </> T.unpack (prettyVer ghcVer))]
fmap (bdir </>) <$> liftIO (listDirectory bdir)
fmap (bdir </>) <$> liftIO (listDirectoryFiles bdir)
-- | Get the wrapper binary for an hls version, if any.
@ -936,7 +936,7 @@ ghcToolFiles ver = do
whenM (fmap not $ ghcInstalled ver)
(throwE (NotInstalled GHC ver))
files <- liftIO (listDirectory bindir >>= filterM (doesFileExist . (bindir </>)))
files <- liftIO (listDirectoryFiles bindir >>= filterM (doesFileExist . (bindir </>)))
pure (getUniqueTools . groupToolFiles . fmap (dropSuffix exeExt) $ files)
where

27
lib/GHCup/Utils/Dirs.hs
View File

@ -42,6 +42,9 @@ module GHCup.Utils.Dirs
, removeDirectoryRecursive
, removePathForcibly
, listDirectoryFiles
, listDirectoryDirs
-- System.Directory re-exports
, createDirectory
, createDirectoryIfMissing
@ -130,7 +133,7 @@ import Data.Maybe
import Data.Versions
import GHC.IO.Exception ( IOErrorType(NoSuchThing) )
import Haskus.Utils.Variant.Excepts
import Optics
import Optics hiding ( uncons )
import Safe
import System.Directory hiding ( removeDirectory
, removeDirectoryRecursive
@ -529,6 +532,28 @@ cleanupTrash = do
) $ liftIO $ removePathForcibly (recycleDir `appendGHCupPath` fp))
-- | List *actual files* in a directory, ignoring empty files and a couple
-- of blacklisted files, such as '.DS_Store' on mac.
listDirectoryFiles :: FilePath -> IO [FilePath]
listDirectoryFiles fp = do
listDirectory fp >>= filterM (doesFileExist . (fp </>)) <&> filter (\fp' -> not (isHidden fp') && not (isBlacklisted fp'))
-- | List *actual directories* in a directory, ignoring empty directories and a couple
-- of blacklisted files, such as '.DS_Store' on mac.
listDirectoryDirs :: FilePath -> IO [FilePath]
listDirectoryDirs fp = do
listDirectory fp >>= filterM (doesDirectoryExist . (fp </>)) <&> filter (\fp' -> not (isHidden fp') && not (isBlacklisted fp'))
isHidden :: FilePath -> Bool
isHidden fp'
| isWindows = False
| Just ('.', _) <- uncons fp' = True
| otherwise = False
isBlacklisted :: FilePath -> Bool
isBlacklisted fp' = fp' `elem` [".DS_Store"]
-- System.Directory re-exports with GHCupPath