Cleanup warnings and bump lts resolver

Codec/Archive/Zip/Conduit/Internal.hs

@@ -15,7 +15,7 @@ import qualified Data.ByteString as BS
 import qualified Data.Conduit as C
 import qualified Data.Conduit.Internal as CI
 import           Data.Digest.CRC32 (crc32Update)
-import           Data.Word (Word8, Word16, Word32, Word64)
+import           Data.Word (Word8, Word32, Word64)
 
 import           Codec.Archive.Zip.Conduit.Types
 

Codec/Archive/Zip/Conduit/UnZip.hs

@@ -152,7 +152,7 @@ unZipStream = next where
   centralBody sig = fail $ "Unknown header signature: " ++ show sig
   fileHeader = do
     ver <- G.getWord8
-    G.getWord8 -- OS Version
+    _os <- G.getWord8 -- OS Version (could require 0 = DOS, but we ignore ext attrs altogether)
     when (ver > zipVersion) $ fail $ "Unsupported version: " ++ show ver
     gpf <- G.getWord16le
     -- when (gpf .&. complement (bit 1 .|. bit 2 .|. bit 3) /= 0) $ fail $ "Unsupported flags: " ++ show gpf

stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-8.13
+resolver: lts-8.24
 packages:
 - '.'
 extra-deps: []