From 136c48c5fe074ac8a2755c4705d555de24e22a3a Mon Sep 17 00:00:00 2001
From: Łukasz Hanuszczak <lukasz.hanuszczak@gmail.com>
Date: Mon, 24 Aug 2015 23:09:20 +0200
Subject: Fix bug with accepting to non-existing directory.

---
 haddock-test/src/Test/Haddock.hs       | 2 +-
 haddock-test/src/Test/Haddock/Utils.hs | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'haddock-test/src/Test')

diff --git a/haddock-test/src/Test/Haddock.hs b/haddock-test/src/Test/Haddock.hs
index 87c16739..e8a0ac8e 100644
--- a/haddock-test/src/Test/Haddock.hs
+++ b/haddock-test/src/Test/Haddock.hs
@@ -132,7 +132,7 @@ diffFile cfg diff file = do
 maybeAcceptFile :: Config c -> FilePath -> CheckResult -> IO CheckResult
 maybeAcceptFile cfg@(Config { cfgDirConfig = dcfg }) file result
     | cfgAccept cfg && result `elem` [NoRef, Fail] = do
-        copyFile (outFile dcfg file) (refFile dcfg file)
+        copyFile' (outFile dcfg file) (refFile dcfg file)
         pure Accepted
 maybeAcceptFile _ _ result = pure result
 
diff --git a/haddock-test/src/Test/Haddock/Utils.hs b/haddock-test/src/Test/Haddock/Utils.hs
index 4f97fa72..a947fea1 100644
--- a/haddock-test/src/Test/Haddock/Utils.hs
+++ b/haddock-test/src/Test/Haddock/Utils.hs
@@ -41,3 +41,10 @@ createEmptyDirectory :: FilePath -> IO ()
 createEmptyDirectory path = do
     whenM (doesDirectoryExist path) $ removeDirectoryRecursive path
     createDirectory path
+
+
+-- | Just like 'copyFile' but output directory path is not required to exist.
+copyFile' :: FilePath -> FilePath -> IO ()
+copyFile' old new = do
+    createDirectoryIfMissing True $ takeDirectory new
+    copyFile old new
-- 
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