diff options
Diffstat (limited to 'lib/Distribution/Helper.hs')
| -rw-r--r-- | lib/Distribution/Helper.hs | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/lib/Distribution/Helper.hs b/lib/Distribution/Helper.hs index 6d9c831..8989273 100644 --- a/lib/Distribution/Helper.hs +++ b/lib/Distribution/Helper.hs @@ -96,11 +96,13 @@ module Distribution.Helper ( ) where import Cabal.Plan hiding (Unit, UnitId, uDistDir) +import Control.Arrow (first) import Control.Applicative import Control.Monad import Control.Monad.Trans.Maybe import Control.Monad.IO.Class import Control.Exception as E +import qualified Data.ByteString.Char8 as BS8 import Data.IORef import Data.List hiding (filter) import Data.String @@ -266,17 +268,21 @@ getUnitModTimes -- | The version of GHC the project is configured to use for compilation. -compilerVersion :: Query pt (String, Version) +compilerVersion :: Query pt (String, Version) compilerVersion = Query $ \qe -> getProjInfo qe >>= \proj_info -> let someUnit = NonEmpty.head $ piUnits proj_info in - -- ^ TODO: ASSUMPTION: Here we assume the compiler version is uniform - -- across all units so we just pick any one. I'm not sure this is true for - -- Stack. + -- ^ ASSUMPTION: Here we assume the compiler version is uniform across all + -- units so we just pick any one. case piImpl proj_info of - ProjInfoV1 -> uiCompilerId <$> getUnitInfo qe someUnit + ProjInfoV1 { piV1SetupHeader=UnitHeader{..} } -> + return $ first BS8.unpack $ uhCompilerId + -- ^ The package name here is restricted to Latin-1 because of the way + -- Cabal writes the header. Shouldn't matter too much V1 is legacy + -- anyways and GHC and it's glorious ASCII name rule the Haskell world. ProjInfoV2 { piV2CompilerId } -> return piV2CompilerId ProjInfoStack {} -> uiCompilerId <$> getUnitInfo qe someUnit + -- ^ TODO: Any way to get this faster for stack? -- | All local units currently active in a project\'s build plan. projectUnits :: Query pt (NonEmpty (Unit pt)) @@ -432,11 +438,9 @@ readProjInfo qe pc pcm = withVerbosity $ do (DistDirV1 distdir, ProjConfV1{pcV1CabalFile}) -> do let projdir = plV1Dir projloc setup_config_path <- canonicalizePath (distdir </> "setup-config") - mhdr <- getCabalConfigHeader setup_config_path + mhdr <- readSetupConfigHeader setup_config_path case mhdr of - Nothing -> - panicIO $ printf "Could not read '%s' header" setup_config_path - Just (hdrCabalVersion, _) -> + Just hdr@(UnitHeader _pkgId ("Cabal", hdrCabalVersion) _compId) -> return ProjInfo { piCabalVersion = hdrCabalVersion , piProjConfModTimes = pcm @@ -448,7 +452,15 @@ readProjInfo qe pc pcm = withVerbosity $ do , uImpl = UnitImplV1 } , piImpl = ProjInfoV1 + { piV1SetupHeader = hdr + } } + Just UnitHeader {uhSetupId=(setup_name, _)} -> + panicIO $ printf "Unknown Setup package-id in setup-config header '%s': '%s'" + (BS8.unpack setup_name) setup_config_path + Nothing -> + panicIO $ printf "Could not read '%s' header" setup_config_path + (DistDirV2 distdirv2, _) -> do let plan_path = distdirv2 </> "cache" </> "plan.json" plan_mtime <- modificationTime <$> getFileStatus plan_path |