deps: bump base lower bound and dispel warnings

Author: frasertweedale

Config/Dyre/Options.hs

@@ -121,10 +121,9 @@ customOptions otherArgs = do
 -- | Look for the given flag in the argument array, and store
 --   its value under the given name if it exists.
 storeFlag :: [String] -> String -> String -> IO ()
-storeFlag args flag name
-    | null match  = return ()
-    | otherwise   = putValue "dyre" name $ drop (length flag) (head match)
-  where match = filter (isPrefixOf flag) args
+storeFlag args flag name = case filter (isPrefixOf flag) args of
+  []  -> pure ()
+  h:_ -> putValue "dyre" name $ drop (length flag) h
 
 -- | The array of all arguments that Dyre recognizes. Used to
 --   make sure none of them are visible past 'withDyreOptions'

Config/Dyre/Relaunch.hs

@@ -33,7 +33,6 @@ module Config.Dyre.Relaunch
   ) where
 
 import Data.Maybe           ( fromMaybe )
-import System.IO            ( writeFile, readFile )
 import Data.Binary          ( Binary, encodeFile, decodeFile )
 import Control.Exception    ( try, SomeException )
 import System.FilePath      ( (</>) )

dyre.cabal

@@ -52,7 +52,7 @@ library
                    Config.Dyre.Compile,
                    Config.Dyre.Relaunch
   build-depends:
-    base >= 4.8 && < 5
+    base >= 4.18 && < 5
     , binary
     , directory >= 1.2.0.0
     , executable-path