Don't rely on the locale at build time

2 files changed, 6 insertions, 3 deletions

diff --git a/CabalHelper/Data.hs b/CabalHelper/Data.hs
index 06539c7..2ab6ea5 100644
--- a/CabalHelper/Data.hs
+++ b/CabalHelper/Data.hs
@@ -20,6 +20,8 @@ module CabalHelper.Data where
 
 import Control.Monad
 import Data.Functor
+import qualified Data.ByteString as BS
+import qualified Data.ByteString.UTF8 as UTF8
 import Language.Haskell.TH
 import System.FilePath
 import System.Directory
@@ -34,7 +36,7 @@ withHelperSources action = withSystemTempDirectory "caba-helper" $ \dir -> do
 
 sourceFiles :: [(FilePath, String)]
 sourceFiles =
-  [ ("Main.hs",   $(LitE . StringL <$> runIO (readFile "CabalHelper/Main.hs")))
-  , ("Common.hs", $(LitE . StringL <$> runIO (readFile "CabalHelper/Common.hs")))
-  , ("Types.hs",  $(LitE . StringL <$> runIO (readFile "CabalHelper/Types.hs")))
+  [ ("Main.hs",   $(LitE . StringL <$> runIO (UTF8.toString <$> BS.readFile "CabalHelper/Main.hs")))
+  , ("Common.hs", $(LitE . StringL <$> runIO (UTF8.toString <$> BS.readFile "CabalHelper/Common.hs")))
+  , ("Types.hs",  $(LitE . StringL <$> runIO (UTF8.toString <$> BS.readFile "CabalHelper/Types.hs")))
   ]
diff --git a/cabal-helper.cabal b/cabal-helper.cabal
index af68fc0..3b1133e 100644
--- a/cabal-helper.cabal
+++ b/cabal-helper.cabal
@@ -73,6 +73,7 @@ Executable cabal-helper-wrapper
                      , transformers
                      , template-haskell
                      , temporary
+                     , utf8-string
 
 
 Test-Suite spec