Update dependencies

What?
=====

This updates certain dependencies to ensure it can compile both via
Stack and Cabal (which impacts the ability to install via Homebrew).

src/Unused/Projection.hs

@@ -4,8 +4,9 @@ import qualified Data.Bifunctor as BF
 import Data.Monoid ((<>))
 import Data.Text (Text)
 import qualified Data.Text as T
+import Data.Void (Void)
 import Text.Megaparsec
-import Text.Megaparsec.Text
+import Text.Megaparsec.Char
 import Unused.Projection.Transform
 
 data ParsedTransform = ParsedTransform
@@ -14,6 +15,8 @@ data ParsedTransform = ParsedTransform
     , ptPost :: Text
     }
 
+type Parser = Parsec Void Text
+
 translate :: Text -> Either String (Text -> Text)
 translate template = applyTransform <$> parseTransform template
 

src/Unused/ResultsClassifier/Config.hs

@@ -11,12 +11,12 @@ import qualified Data.Either as E
 import qualified Data.FileEmbed as FE
 import qualified Data.Yaml as Y
 import qualified System.Directory as D
-import           System.FilePath ((</>))
-import           Unused.ResultsClassifier.Types (LanguageConfiguration, ParseConfigError(..))
-import           Unused.Util (safeReadFile)
+import System.FilePath ((</>))
+import Unused.ResultsClassifier.Types (LanguageConfiguration, ParseConfigError(..))
+import Unused.Util (safeReadFile)
 
 loadConfig :: Either String [LanguageConfiguration]
-loadConfig = Y.decodeEither defaultConfigFile
+loadConfig = decodeEither defaultConfigFile
 
 defaultConfigFile :: BS.ByteString
 defaultConfigFile = $(FE.embedFile "data/config.yml")
@@ -24,24 +24,21 @@ defaultConfigFile = $(FE.embedFile "data/config.yml")
 loadAllConfigurations :: IO (Either [ParseConfigError] [LanguageConfiguration])
 loadAllConfigurations = do
     homeDir <- D.getHomeDirectory
-
     let defaultConfig = addSourceToLeft "default config" loadConfig
-
     localConfig <- loadConfigFromFile ".unused.yml"
     userConfig <- loadConfigFromFile $ homeDir </> ".unused.yml"
-
     let (lefts, rights) = E.partitionEithers [defaultConfig, localConfig, userConfig]
-
-    return $ if not (null lefts)
-        then Left lefts
-        else Right $ concat rights
+    return $
+        if not (null lefts)
+            then Left lefts
+            else Right $ concat rights
 
 loadConfigFromFile :: String -> IO (Either ParseConfigError [LanguageConfiguration])
 loadConfigFromFile path =
-    either
-        (const $ Right [])
-        (addSourceToLeft path . Y.decodeEither)
-        <$> safeReadFile path
+    either (const $ Right []) (addSourceToLeft path . decodeEither) <$> safeReadFile path
 
 addSourceToLeft :: String -> Either String c -> Either ParseConfigError c
 addSourceToLeft = BF.first . ParseConfigError
+
+decodeEither :: Y.FromJSON a => BS.ByteString -> Either String a
+decodeEither = BF.first Y.prettyPrintParseException . Y.decodeEither'

src/Unused/TermSearch/Types.hs

@@ -13,4 +13,4 @@ data SearchBackend
 
 newtype SearchResults = SearchResults
     { fromResults :: [TermMatch]
-    } deriving (Monoid)
+    } deriving (Semigroup, Monoid)

stack.yaml

@@ -2,19 +2,14 @@
 # For more information, see: http://docs.haskellstack.org/en/stable/yaml_configuration/
 
 # Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)
-resolver: lts-11.0
+resolver: lts-12.6
 
 # Local packages, usually specified by relative directory name
 packages:
 - '.'
 # Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)
 extra-deps:
-- cassava-0.4.5.1
-- hspec-2.5.0
-- hspec-core-2.5.0
-- hspec-discover-2.5.0
-- inflections-0.3.0.0
-- megaparsec-5.3.1
+- megaparsec-6.5.0
 - terminal-progress-bar-0.1.1.1
 
 # Override default flag values for local packages and extra-deps

unused.cabal

@@ -75,12 +75,12 @@ library
                      , bytestring
                      , text
                      , unordered-containers
-                     , cassava >= 0.4.5.0 && < 0.5
+                     , cassava >= 0.5.1.0 && < 0.6
                      , vector
                      , mtl
                      , transformers
-                     , megaparsec >= 5.1.2 && < 6
-                     , inflections >= 0.3.0.0 && < 0.4
+                     , megaparsec >= 6.5.0 && < 7
+                     , inflections >= 0.4.0.3 && < 0.5
                      , file-embed
   ghc-options:         -Wall
   default-language:    Haskell2010