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-rw-r--r--CabalHelper/Wrapper.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/CabalHelper/Wrapper.hs b/CabalHelper/Wrapper.hs
index a4c058b..001a842 100644
--- a/CabalHelper/Wrapper.hs
+++ b/CabalHelper/Wrapper.hs
@@ -141,6 +141,7 @@ main = handlePanic $ do
_ -> do
(_,_,_,h) <- createProcess $ proc exe args
exitWith =<< waitForProcess h
+ _ -> error "invalid command line"
appDataDir :: IO FilePath
appDataDir = (</> "cabal-helper") <$> getAppUserDataDirectory "ghc-mod"