Consistently format import lists

Setup.hs

@@ -1,23 +1,36 @@
 {-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}
 
-module Main (main) where
+module Main
+  ( main
+  ) where
 
-import Data.List ( nub, sortBy )
-import Data.Ord ( comparing )
-import Distribution.Package ( PackageId, UnitId, packageVersion, packageName )
-import Distribution.PackageDescription ( PackageDescription(), Executable(..) )
-import Distribution.InstalledPackageInfo (sourcePackageId, installedUnitId)
-import Distribution.Simple ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
-import Distribution.Simple.Utils ( rewriteFileEx, createDirectoryIfMissingVerbose )
-import Distribution.Simple.BuildPaths ( autogenPackageModulesDir )
-import Distribution.Simple.PackageIndex (allPackages, dependencyClosure)
-import Distribution.Simple.Setup ( BuildFlags(buildVerbosity), fromFlag )
-import Distribution.Simple.LocalBuildInfo ( installedPkgs, withLibLBI, withExeLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps) )
-import Distribution.Types.PackageName (PackageName, unPackageName)
-import Distribution.Types.UnqualComponentName (unUnqualComponentName)
-import Distribution.Verbosity ( Verbosity, normal )
-import Distribution.Pretty ( prettyShow )
-import System.FilePath ( (</>) )
+import           Data.List ( nub, sortBy )
+import           Data.Ord ( comparing )
+import           Distribution.InstalledPackageInfo
+                   ( sourcePackageId, installedUnitId )
+import           Distribution.Package
+                   ( PackageId, UnitId, packageVersion, packageName )
+import           Distribution.PackageDescription
+                   ( PackageDescription (), Executable (..) )
+import           Distribution.Pretty ( prettyShow )
+import           Distribution.Simple
+                   ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
+import           Distribution.Simple.BuildPaths ( autogenPackageModulesDir )
+import           Distribution.Simple.LocalBuildInfo
+                   ( installedPkgs, withLibLBI, withExeLBI, LocalBuildInfo ()
+                   , ComponentLocalBuildInfo (componentPackageDeps)
+                   )
+import           Distribution.Simple.PackageIndex
+                   ( allPackages, dependencyClosure )
+import           Distribution.Simple.Setup
+                   ( BuildFlags (buildVerbosity), fromFlag )
+import           Distribution.Simple.Utils
+                   ( rewriteFileEx, createDirectoryIfMissingVerbose )
+import           Distribution.Types.PackageName ( PackageName, unPackageName )
+import           Distribution.Types.UnqualComponentName
+                   ( unUnqualComponentName )
+import           Distribution.Verbosity ( Verbosity, normal )
+import           System.FilePath ( (</>) )
 
 main :: IO ()
 main = defaultMainWithHooks simpleUserHooks

src/Control/Concurrent/Execute.hs

@@ -9,7 +9,7 @@ module Control.Concurrent.Execute
     , ActionId (..)
     , ActionContext (..)
     , Action (..)
-    , Concurrency(..)
+    , Concurrency (..)
     , runActions
     ) where
 

src/Data/Attoparsec/Args.hs

@@ -4,7 +4,7 @@
 -- | Parsing of Stack command line arguments
 
 module Data.Attoparsec.Args
-    ( EscapingMode(..)
+    ( EscapingMode (..)
     , argsParser
     , parseArgs
     , parseArgsFromString

src/Data/Attoparsec/Combinators.hs

@@ -2,9 +2,14 @@
 
 -- | More readable combinators for writing parsers.
 
-module Data.Attoparsec.Combinators where
+module Data.Attoparsec.Combinators
+  ( alternating
+  , appending
+  , concating
+  , pured
+  ) where
 
-import Stack.Prelude
+import           Stack.Prelude
 
 -- | Concatenate two parsers.
 appending :: (Applicative f,Semigroup a)

src/Options/Applicative/Builder/Extra.hs

@@ -27,7 +27,7 @@ module Options.Applicative.Builder.Extra
   , fileCompleter
   , fileExtCompleter
   , dirCompleter
-  , PathCompleterOpts(..)
+  , PathCompleterOpts (..)
   , defaultPathCompleterOpts
   , pathCompleterWith
   , unescapeBashArg

src/Path/Extra.hs

@@ -4,25 +4,25 @@
 -- | Extra Path utilities.
 
 module Path.Extra
-  (toFilePathNoTrailingSep
-  ,dropRoot
-  ,parseCollapsedAbsDir
-  ,parseCollapsedAbsFile
-  ,concatAndCollapseAbsDir
-  ,rejectMissingFile
-  ,rejectMissingDir
-  ,pathToByteString
-  ,pathToLazyByteString
-  ,pathToText
-  ,tryGetModificationTime
+  ( toFilePathNoTrailingSep
+  , dropRoot
+  , parseCollapsedAbsDir
+  , parseCollapsedAbsFile
+  , concatAndCollapseAbsDir
+  , rejectMissingFile
+  , rejectMissingDir
+  , pathToByteString
+  , pathToLazyByteString
+  , pathToText
+  , tryGetModificationTime
   ) where
 
-import           Data.Time (UTCTime)
+import           Data.Time ( UTCTime )
 import           Path
 import           Path.IO
-import           Path.Internal (Path(..))
+import           Path.Internal ( Path (..) )
 import           RIO
-import           System.IO.Error (isDoesNotExistError)
+import           System.IO.Error ( isDoesNotExistError )
 import qualified Data.ByteString.Char8 as BS
 import qualified Data.ByteString.Lazy.Char8 as BSL
 import qualified Data.Text as T

src/Path/Find.hs

@@ -4,18 +4,19 @@
 -- | Finding files.
 
 module Path.Find
-  (findFileUp
-  ,findDirUp
-  ,findFiles
-  ,findInParents)
-  where
+  ( findFileUp
+  , findDirUp
+  , findFiles
+  , findInParents
+  ) where
 
-import RIO
-import System.IO.Error (isPermissionError)
 import qualified Data.List as L
-import Path
-import Path.IO hiding (findFiles)
-import System.PosixCompat.Files (getSymbolicLinkStatus, isSymbolicLink)
+import           Path
+import           Path.IO hiding (findFiles)
+import           RIO
+import           System.IO.Error ( isPermissionError )
+import           System.PosixCompat.Files
+                   ( getSymbolicLinkStatus, isSymbolicLink )
 
 -- | Find the location of a file matching the given predicate.
 findFileUp :: (MonadIO m,MonadThrow m)

src/Stack/Build.hs

@@ -8,48 +8,47 @@
 -- | Build the project.
 
 module Stack.Build
-  (build
-  ,buildLocalTargets
-  ,loadPackage
-  ,mkBaseConfigOpts
-  ,queryBuildInfo
-  ,splitObjsWarning
-  ,CabalVersionException(..))
-  where
-
-import           Stack.Prelude hiding (loadPackage)
-import           Data.Aeson (Value (Object, Array), (.=), object)
+  ( build
+  , buildLocalTargets
+  , loadPackage
+  , mkBaseConfigOpts
+  , queryBuildInfo
+  , splitObjsWarning
+  , CabalVersionException (..)
+  ) where
+
+import           Data.Aeson ( Value (Object, Array), (.=), object )
 import qualified Data.Aeson.Key as Key
 import qualified Data.Aeson.KeyMap as KeyMap
-import           Data.List ((\\), isPrefixOf)
-import           Data.List.Extra (groupSort)
+import           Data.List ( (\\), isPrefixOf )
+import           Data.List.Extra ( groupSort )
 import qualified Data.List.NonEmpty as NE
 import qualified Data.Map as Map
 import qualified Data.Set as Set
 import qualified Data.Text as T
-import           Data.Text.Encoding (decodeUtf8)
+import           Data.Text.Encoding ( decodeUtf8 )
 import qualified Data.Text.IO as TIO
-import           Data.Text.Read (decimal)
+import           Data.Text.Read ( decimal )
 import qualified Data.Vector as V
 import qualified Data.Yaml as Yaml
 import qualified Distribution.PackageDescription as C
-import           Distribution.Types.Dependency (depLibraries)
-import           Distribution.Version (mkVersion)
-import           Path (parent)
+import           Distribution.Types.Dependency ( depLibraries )
+import           Distribution.Version ( mkVersion )
+import           Path ( parent )
 import           Stack.Build.ConstructPlan
 import           Stack.Build.Execute
 import           Stack.Build.Installed
 import           Stack.Build.Source
 import           Stack.Package
-import           Stack.Setup (withNewLocalBuildTargets)
+import           Stack.Prelude hiding ( loadPackage )
+import           Stack.Setup ( withNewLocalBuildTargets )
 import           Stack.Types.Build
+import           Stack.Types.Compiler ( compilerVersionText, getGhcVersion )
 import           Stack.Types.Config
 import           Stack.Types.NamedComponent
 import           Stack.Types.Package
 import           Stack.Types.SourceMap
-
-import           Stack.Types.Compiler (compilerVersionText, getGhcVersion)
-import           System.Terminal (fixCodePage)
+import           System.Terminal ( fixCodePage )
 
 data CabalVersionException
     = AllowNewerNotSupported Version

src/Stack/Build/Cache.hs

@@ -30,31 +30,32 @@ module Stack.Build.Cache
     , writePrecompiledCache
     , readPrecompiledCache
     -- Exported for testing
-    , BuildCache(..)
+    , BuildCache (..)
     ) where
 
-import           Stack.Prelude
-import           Crypto.Hash (hashWith, SHA256(..))
-import qualified Data.ByteArray as Mem (convert)
-import           Data.ByteString.Builder (byteString)
+import           Crypto.Hash ( hashWith, SHA256 (..) )
+import qualified Data.ByteArray as Mem ( convert )
+import           Data.ByteString.Builder ( byteString )
 import qualified Data.Map as M
 import qualified Data.Set as Set
 import qualified Data.Text as T
 import qualified Data.Yaml as Yaml
-import           Foreign.C.Types (CTime)
+import           Foreign.C.Types ( CTime )
 import           Path
 import           Path.IO
 import           Stack.Constants
 import           Stack.Constants.Config
+import           Stack.Prelude
 import           Stack.Storage.Project
 import           Stack.Storage.User
 import           Stack.Types.Build
 import           Stack.Types.Cache
 import           Stack.Types.Config
 import           Stack.Types.GhcPkgId
 import           Stack.Types.NamedComponent
-import           Stack.Types.SourceMap (smRelDir)
-import           System.PosixCompat.Files (modificationTime, getFileStatus, setFileTimes)
+import           Stack.Types.SourceMap ( smRelDir )
+import           System.PosixCompat.Files
+                   ( modificationTime, getFileStatus, setFileTimes )
 
 -- | Directory containing files to mark an executable as installed
 exeInstalledDir :: (HasEnvConfig env)

src/Stack/Build/Execute.hs

@@ -19,8 +19,8 @@ module Stack.Build.Execute
     , ExecuteEnv
     , withExecuteEnv
     , withSingleContext
-    , ExcludeTHLoading(..)
-    , KeepOutputOpen(..)
+    , ExcludeTHLoading (..)
+    , KeepOutputOpen (..)
     ) where
 
 import           Control.Concurrent.Execute

src/Stack/Build/Target.hs

@@ -58,28 +58,28 @@
 -- Finally, we upgrade the snapshot by using
 -- calculatePackagePromotion.
 module Stack.Build.Target
-    ( -- * Types
-      Target (..)
-    , NeedTargets (..)
-    , PackageType (..)
-    , parseTargets
-      -- * Convenience helpers
-    , gpdVersion
-      -- * Test suite exports
-    , parseRawTarget
-    , RawTarget (..)
-    , UnresolvedComponent (..)
-    ) where
+  ( -- * Types
+    Target (..)
+  , NeedTargets (..)
+  , PackageType (..)
+  , parseTargets
+    -- * Convenience helpers
+  , gpdVersion
+    -- * Test suite exports
+  , parseRawTarget
+  , RawTarget (..)
+  , UnresolvedComponent (..)
+  ) where
 
-import           Stack.Prelude
 import qualified Data.Map as Map
 import qualified Data.Set as Set
 import qualified Data.Text as T
 import           Path
-import           Path.Extra (rejectMissingDir)
+import           Path.Extra ( rejectMissingDir )
 import           Path.IO
-import           RIO.Process (HasProcessContext)
+import           RIO.Process ( HasProcessContext )
 import           Stack.SourceMap
+import           Stack.Prelude
 import           Stack.Types.Config
 import           Stack.Types.NamedComponent
 import           Stack.Types.Build

src/Stack/BuildPlan.hs

@@ -14,7 +14,7 @@ module Stack.BuildPlan
     ( BuildPlanException (..)
     , BuildPlanCheck (..)
     , checkSnapBuildPlan
-    , DepError(..)
+    , DepError (..)
     , DepErrors
     , removeSrcPkgDefaultFlags
     , selectBestSnapshot

src/Stack/Clean.hs

@@ -6,17 +6,17 @@
 
 -- | Clean a project.
 module Stack.Clean
-    (clean
-    ,CleanOpts(..)
-    ,CleanCommand(..)
-    ) where
+  ( clean
+  , CleanOpts (..)
+  , CleanCommand (..)
+  ) where
 
-import           Stack.Prelude
-import           Data.List ((\\),intercalate)
+import           Data.List ( (\\), intercalate )
 import qualified Data.Map.Strict as Map
-import           Path.IO (ignoringAbsence, removeDirRecur)
-import           Stack.Config (withBuildConfig)
-import           Stack.Constants.Config (rootDistDirFromDir, workDirFromDir)
+import           Path.IO ( ignoringAbsence, removeDirRecur )
+import           Stack.Config ( withBuildConfig )
+import           Stack.Constants.Config ( rootDistDirFromDir, workDirFromDir )
+import           Stack.Prelude
 import           Stack.Types.Config
 import           Stack.Types.SourceMap
 

src/Stack/Config/Build.hs

@@ -4,9 +4,9 @@
 -- | Build configuration
 module Stack.Config.Build where
 
+import           Distribution.Verbosity ( normal )
 import           Stack.Prelude
 import           Stack.Types.Config
-import           Distribution.Verbosity   (normal)
 
 -- | Interprets BuildOptsMonoid options.
 buildOptsFromMonoid :: BuildOptsMonoid -> BuildOpts

src/Stack/Config/Docker.hs

@@ -6,10 +6,10 @@
 -- | Docker configuration
 module Stack.Config.Docker where
 
-import           Stack.Prelude
-import           Data.List (find)
+import           Data.List ( find )
 import qualified Data.Text as T
-import           Distribution.Version (simplifyVersionRange)
+import           Distribution.Version ( simplifyVersionRange )
+import           Stack.Prelude
 import           Stack.Types.Version
 import           Stack.Types.Config
 import           Stack.Types.Docker