Fix custom package-db stack for non Cabal projects

This commit is contained in:
Daniel Gröber 2015-09-07 03:49:12 +02:00
parent 2b7249e445
commit 5713fd9908
7 changed files with 36 additions and 18 deletions

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@ -21,7 +21,6 @@ module Language.Haskell.GhcMod.CabalHelper
, getGhcMergedPkgOptions
, getCabalPackageDbStack
, getStackPackageDbStack
, getCustomPkgDbStack
, prepareCabalHelper
)
#endif
@ -43,6 +42,7 @@ import Language.Haskell.GhcMod.Utils
import Language.Haskell.GhcMod.PathsAndFiles
import Language.Haskell.GhcMod.Logging
import Language.Haskell.GhcMod.Output
import Language.Haskell.GhcMod.CustomPackageDb
import System.FilePath
import System.Directory (findExecutable)
import System.Process
@ -139,18 +139,6 @@ prepareCabalHelper = do
when (cradleProjectType crdl == CabalProject || cradleProjectType crdl == StackProject) $
withCabal $ liftIO $ prepare readProc projdir distdir
parseCustomPackageDb :: String -> [GhcPkgDb]
parseCustomPackageDb src = map parsePkgDb $ filter (not . null) $ lines src
where
parsePkgDb "global" = GlobalDb
parsePkgDb "user" = UserDb
parsePkgDb s = PackageDb s
getCustomPkgDbStack :: (IOish m, GmEnv m) => m (Maybe [GhcPkgDb])
getCustomPkgDbStack = do
mCusPkgDbFile <- liftIO . (traverse readFile <=< findCustomPackageDbFile) . cradleRootDir =<< cradle
return $ parseCustomPackageDb <$> mCusPkgDbFile
getStackPackageDbStack :: IOish m => m [GhcPkgDb]
getStackPackageDbStack = do
mstack <- liftIO $ findExecutable "stack"

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@ -0,0 +1,25 @@
module Language.Haskell.GhcMod.CustomPackageDb where
import Control.Applicative
import Control.Monad
import Control.Category ((.))
import Data.Maybe
import Data.Traversable
import Language.Haskell.GhcMod.Types
import Language.Haskell.GhcMod.Monad.Types
import Language.Haskell.GhcMod.PathsAndFiles
import Prelude hiding ((.))
parseCustomPackageDb :: String -> [GhcPkgDb]
parseCustomPackageDb src = map parsePkgDb $ filter (not . null) $ lines src
where
parsePkgDb "global" = GlobalDb
parsePkgDb "user" = UserDb
parsePkgDb s = PackageDb s
getCustomPkgDbStack :: (IOish m, GmEnv m) => m (Maybe [GhcPkgDb])
getCustomPkgDbStack = do
mCusPkgDbFile <- liftIO . (traverse readFile <=< findCustomPackageDbFile) . cradleRootDir =<< cradle
return $ parseCustomPackageDb <$> mCusPkgDbFile

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@ -22,6 +22,7 @@ import Language.Haskell.GhcMod.Types
import Language.Haskell.GhcMod.Monad.Types
import Language.Haskell.GhcMod.CabalHelper
import Language.Haskell.GhcMod.PathsAndFiles
import Language.Haskell.GhcMod.CustomPackageDb
ghcVersion :: Int
ghcVersion = read cProjectVersionInt

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@ -264,8 +264,9 @@ pkgDbStackCacheFile :: FilePath -> FilePath
pkgDbStackCacheFile dist =
setupConfigPath dist <.> "ghc-mod.package-db-stack"
-- | @findCustomPackageDbFile dir@. Searches for a @.ghc-mod.cradle@ file in @dir@.
-- If it exists in the given directory it is returned otherwise @findCradleFile@ returns @Nothing@
-- | @findCustomPackageDbFile dir@. Searches for a @ghc-mod.package-db-stack@ file in @dir@.
-- If it exists in the given directory it is returned otherwise @findCradleFile@
-- returns @Nothing@
findCustomPackageDbFile :: FilePath -> IO (Maybe FilePath)
findCustomPackageDbFile directory = do
let path = directory </> "ghc-mod.package-db-stack"

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@ -37,6 +37,7 @@ import Language.Haskell.GhcMod.Types
import Language.Haskell.GhcMod.Utils as U
import Language.Haskell.GhcMod.FileMapping
import Language.Haskell.GhcMod.LightGhc
import Language.Haskell.GhcMod.CustomPackageDb
import Data.Maybe
import Data.Monoid as Monoid
@ -270,10 +271,11 @@ packageGhcOptions = do
_ -> sandboxOpts crdl
-- also works for plain projects!
sandboxOpts :: MonadIO m => Cradle -> m [String]
sandboxOpts :: (IOish m, GmEnv m) => Cradle -> m [String]
sandboxOpts crdl = do
mCusPkgDb <- getCustomPkgDbStack
pkgDbStack <- liftIO $ getSandboxPackageDbStack
let pkgOpts = ghcDbStackOpts pkgDbStack
let pkgOpts = ghcDbStackOpts $ fromMaybe pkgDbStack mCusPkgDb
return $ ["-i" ++ d | d <- [wdir,rdir]] ++ pkgOpts ++ ["-Wall"]
where
(wdir, rdir) = (cradleCurrentDir crdl, cradleRootDir crdl)

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@ -47,7 +47,7 @@ all sorts of nasty conflicts.
## Custom ghc-mod cradle
To customize the package databases used by `ghc-mod`, put a file called `ghc-mod.cradle` beside the `.cabal` file with the following syntax:
To customize the package databases used by `ghc-mod`, put a file called `ghc-mod.package-db-stack` beside the `.cabal` file with the following syntax:
```
temp directory root

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@ -110,6 +110,7 @@ Library
Language.Haskell.GhcMod.Check
Language.Haskell.GhcMod.Convert
Language.Haskell.GhcMod.Cradle
Language.Haskell.GhcMod.CustomPackageDb
Language.Haskell.GhcMod.Debug
Language.Haskell.GhcMod.Doc
Language.Haskell.GhcMod.DynFlags