Consistent approach to spaces in deriving

src/Data/Attoparsec/Args.hs

@@ -19,7 +19,7 @@ import           Stack.Prelude
 data EscapingMode
     = Escaping
     | NoEscaping
-    deriving (Show,Eq,Enum)
+    deriving (Show, Eq, Enum)
 
 -- | Parse arguments using 'argsParser'.
 parseArgs :: EscapingMode -> Text -> Either String [String]

src/Stack/Types/Config.hs

@@ -1964,15 +1964,15 @@ instance FromJSON PvpBounds where
 newtype DockerEntrypoint = DockerEntrypoint
     { deUser :: Maybe DockerUser
       -- ^ UID/GID/etc of host user, if we wish to perform UID/GID switch in container
-    } deriving (Read,Show)
+    } deriving (Read, Show)
 
 -- | Docker host user info
 data DockerUser = DockerUser
     { duUid :: UserID -- ^ uid
     , duGid :: GroupID -- ^ gid
     , duGroups :: [GroupID] -- ^ Supplemental groups
     , duUmask :: FileMode -- ^ File creation mask }
-    } deriving (Read,Show)
+    } deriving (Read, Show)
 
 data GhcOptionKey
   = GOKOldEverything

src/Stack/Types/Config/Build.hs

@@ -364,7 +364,7 @@ data TestOpts =
            ,toDisableRun :: !Bool -- ^ Disable running of tests
            ,toMaximumTimeSeconds :: !(Maybe Int) -- ^ test suite timeout in seconds
            ,toAllowStdin :: !Bool -- ^ Whether to allow standard input
-           } deriving (Eq,Show)
+           } deriving (Eq, Show)
 
 defaultTestOpts :: TestOpts
 defaultTestOpts = TestOpts
@@ -426,7 +426,7 @@ instance Monoid TestOptsMonoid where
 -- | Haddock Options
 newtype HaddockOpts =
   HaddockOpts { hoAdditionalArgs :: [String] -- ^ Arguments passed to haddock program
-              } deriving (Eq,Show)
+              } deriving (Eq, Show)
 
 newtype HaddockOptsMonoid =
   HaddockOptsMonoid {hoMonoidAdditionalArgs :: [String]
@@ -456,7 +456,7 @@ data BenchmarkOpts =
   BenchmarkOpts
     { beoAdditionalArgs :: !(Maybe String) -- ^ Arguments passed to the benchmark program
     , beoDisableRun :: !Bool -- ^ Disable running of benchmarks
-    } deriving (Eq,Show)
+    } deriving (Eq, Show)
 
 defaultBenchmarkOpts :: BenchmarkOpts
 defaultBenchmarkOpts = BenchmarkOpts
@@ -493,7 +493,7 @@ data FileWatchOpts
   = NoFileWatch
   | FileWatch
   | FileWatchPoll
-  deriving (Show,Eq)
+  deriving (Show, Eq)
 
 newtype CabalVerbosity = CabalVerbosity Verbosity
   deriving (Eq, Show)

src/Stack/Types/GhcPkgId.hs

@@ -34,7 +34,7 @@ instance Exception GhcPkgIdParseFail where
 
 -- | A ghc-pkg package identifier.
 newtype GhcPkgId = GhcPkgId Text
-  deriving (Eq,Ord,Data,Typeable,Generic,PersistField,PersistFieldSql)
+  deriving (Eq, Ord, Data, Typeable, Generic, PersistField, PersistFieldSql)
 
 instance Hashable GhcPkgId
 instance NFData GhcPkgId

src/Stack/Types/Package.hs

@@ -147,7 +147,7 @@ instance Exception PackageException where
 data PackageLibraries
   = NoLibraries
   | HasLibraries !(Set Text) -- ^ the foreign library names, sub libraries get built automatically without explicit component name passing
- deriving (Show,Typeable)
+ deriving (Show, Typeable)
 
 -- | Name of an executable.
 newtype ExeName = ExeName { unExeName :: Text }
@@ -178,7 +178,7 @@ data Package =
                                                           -- ^ If present: custom-setup dependencies
           ,packageCabalSpec :: !CabalSpecVersion          -- ^ Cabal spec range
           }
- deriving (Show,Typeable)
+ deriving (Show, Typeable)
 
 packageIdent :: Package -> PackageIdentifier
 packageIdent p = PackageIdentifier (packageName p) (packageVersion p)
@@ -230,7 +230,7 @@ data PackageConfig =
                 ,packageConfigCompilerVersion :: ActualCompiler   -- ^ GHC version
                 ,packageConfigPlatform :: !Platform               -- ^ host platform
                 }
- deriving (Show,Typeable)
+ deriving (Show, Typeable)
 
 -- | Compares the package name.
 instance Ord Package where

src/Stack/Types/TemplateName.hs

@@ -37,7 +37,7 @@ instance Exception TypeTemplateNameException where
 
 -- | A template name.
 data TemplateName = TemplateName !Text !TemplatePath
-  deriving (Ord,Eq,Show)
+  deriving (Ord, Eq, Show)
 
 data TemplatePath = AbsPath (Path Abs File)
                   -- ^ an absolute path on the filesystem