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authorDaniel Gröber <dxld@darkboxed.org>2019-01-30 20:58:02 +0100
committerDaniel Gröber <dxld@darkboxed.org>2019-01-30 20:58:02 +0100
commit74704110ca0eb6760a6e133ac88133a590d4ef8f (patch)
tree3ca5c6d4eb185d342bd6ffe6d7b6f9b7ff50a5f5 /lib/Distribution
parent2613f676d0c6d16a92eaae00eb4cccad9504998e (diff)
Fix ghc-pkg guessing logic when using v2-install
Diffstat (limited to 'lib/Distribution')
-rw-r--r--lib/Distribution/Helper.hs12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/Distribution/Helper.hs b/lib/Distribution/Helper.hs
index 664ff01..ca5c1b1 100644
--- a/lib/Distribution/Helper.hs
+++ b/lib/Distribution/Helper.hs
@@ -588,13 +588,15 @@ withProgs impl QueryEnv{..} f = do
where
-- | Determine ghc-pkg path from ghc path
guessCompProgramPaths :: Verbose => CompPrograms -> IO CompPrograms
+ guessCompProgramPaths progs
+ | same ghcProgram progs dprogs = return progs
guessCompProgramPaths progs = do
let v | ?verbose = deafening
| otherwise = silent
mGhcPath0 | same ghcProgram progs dprogs = Nothing
- | otherwise = Just $ ghcProgram progs
+ | otherwise = Just $ ghcProgram progs
mGhcPkgPath0 | same ghcPkgProgram progs dprogs = Nothing
- | otherwise = Just $ ghcPkgProgram progs
+ | otherwise = Just $ ghcPkgProgram progs
(_compiler, _mplatform, progdb)
<- GHC.configure
v
@@ -608,9 +610,9 @@ withProgs impl QueryEnv{..} f = do
{ ghcProgram = fromMaybe (ghcProgram progs) mghcPath1
, ghcPkgProgram = fromMaybe (ghcProgram progs) mghcPkgPath1
}
- where
- same f o o' = f o == f o'
- dprogs = defaultCompPrograms
+
+ same f o o' = f o == f o'
+ dprogs = defaultCompPrograms
getHelperExe
:: ProjInfo pt -> QueryEnvI c pt -> IO FilePath