From aa5b25fc1f6cd34b0a802ae7d2f9ccb718287064 Mon Sep 17 00:00:00 2001
From: Martín Emanuel <31224949+emlautarom1@users.noreply.github.com>
Date: Sat, 11 Apr 2020 15:19:59 -0300
Subject: Fix MonadFail compilation issue on Windows

See  #764
---
 lib/Hakyll/Commands.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Hakyll/Commands.hs b/lib/Hakyll/Commands.hs
index 84d1c56..38b9344 100644
--- a/lib/Hakyll/Commands.hs
+++ b/lib/Hakyll/Commands.hs
@@ -98,7 +98,7 @@ watch conf logger host port runServer rules = do
 #else
     -- Force windows users to compile with -threaded flag, as otherwise
     -- thread is blocked indefinitely.
-    catchIOError (void $ forkOS $ watchUpdates conf update) $ do
+    catchIOError (void $ forkOS $ watchUpdates conf update) $ \_ -> do
         fail $ "Hakyll.Commands.watch: Could not start update watching " ++
                "thread. Did you compile with -threaded flag?"
 #endif
-- 
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