Minor style changes

src/Hakyll/Core/Provider/MetadataCache.hs

@@ -7,8 +7,8 @@ module Hakyll.Core.Provider.MetadataCache
 
 
 --------------------------------------------------------------------------------
+import           Control.Monad                 (unless)
 import qualified Data.Map                      as M
-import Control.Monad (unless)
 
 --------------------------------------------------------------------------------
 import           Hakyll.Core.Identifier
@@ -51,9 +51,9 @@ load :: Provider -> Identifier -> IO ()
 load p r = do
     mmof <- Store.isMember store mdk
     unless mmof $ do
-            (md, body) <- loadMetadata p r
-            Store.set store mdk md
-            Store.set store bk  body
+        (md, body) <- loadMetadata p r
+        Store.set store mdk md
+        Store.set store bk  body
   where
     store = providerStore p
     mdk   = [name, toFilePath r, "metadata"]

src/Hakyll/Core/Store.hs

@@ -24,6 +24,7 @@ import qualified Data.ByteString      as B
 import qualified Data.ByteString.Lazy as BL
 import qualified Data.Cache.LRU.IO    as Lru
 import           Data.List            (intercalate)
+import           Data.Maybe           (isJust)
 import qualified Data.Text            as T
 import qualified Data.Text.Encoding   as T
 import           Data.Typeable        (TypeRep, Typeable, cast, typeOf)
@@ -103,12 +104,8 @@ cacheLookup (Store _ (Just lru)) key = do
 
 --------------------------------------------------------------------------------
 cacheIsMember :: Store -> String -> IO Bool
-cacheIsMember (Store _ Nothing) _ =  return False
-cacheIsMember (Store _ (Just lru)) key = do
-    res <- Lru.lookup key lru
-    case res of
-        Nothing -> return False
-        _       -> return True
+cacheIsMember (Store _ Nothing)    _   = return False
+cacheIsMember (Store _ (Just lru)) key = isJust <$> Lru.lookup key lru
 
 
 --------------------------------------------------------------------------------
@@ -168,9 +165,10 @@ isMember :: Store -> [String] -> IO Bool
 isMember store identifier = do
     inCache <- cacheIsMember store key
     if inCache then return True else doesFileExist path
-    where
-        key = hash identifier
-        path = storeDirectory store </> key
+  where
+    key  = hash identifier
+    path = storeDirectory store </> key
+
 
 --------------------------------------------------------------------------------
 -- | Delete an item

tests/Hakyll/Core/Store/Tests.hs

@@ -72,15 +72,12 @@ wrongType = do
 
 
 --------------------------------------------------------------------------------
-
 isMembertest :: H.Assertion
 isMembertest = do
     store <- newTestStore
     Store.set store ["foo", "bar"] ("qux" :: String)
-    --value <- Store.get store ["foo", "bar"] :: IO (Store.Result Int)
     good <- Store.isMember store ["foo", "bar"]
-
-    bad <- Store.isMember store ["foo", "baz"]
-    H.assert good 
+    bad  <- Store.isMember store ["foo", "baz"]
+    H.assert good
     H.assert (not bad)
-    cleanTestEnv
+    cleanTestEnv