Merge pull request #1592 from TeofilC/ghc-9.4

Support GHC-9.4

.github/workflows/master.yml

@@ -20,6 +20,7 @@ jobs:
           - "8.10.7"
           - "9.0.2"
           - "9.2.2"
+          - "9.4.2"
 
     steps:
     - uses: actions/checkout@v2

cabal.project

@@ -51,3 +51,8 @@ packages:
 tests: True
 optimization: False
 -- reorder-goals: True
+
+allow-newer:
+-- see https://github.com/haskellari/postgresql-simple/issues/104
+    postgresql-simple:base
+  , postgresql-simple:template-haskell

servant-auth/servant-auth-client/servant-auth-client.cabal

@@ -31,7 +31,7 @@ library
   default-extensions: ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveTraversable FlexibleContexts FlexibleInstances FunctionalDependencies GADTs KindSignatures MultiParamTypeClasses OverloadedStrings RankNTypes ScopedTypeVariables TypeFamilies TypeOperators
   ghc-options: -Wall
   build-depends:
-      base                >= 4.10     && < 4.17
+      base                >= 4.10     && < 4.18
     , bytestring          >= 0.10.6.0 && < 0.12
     , containers          >= 0.5.6.2  && < 0.7
     , servant-auth        == 0.4.*

servant-auth/servant-auth-docs/servant-auth-docs.cabal

@@ -35,7 +35,7 @@ library
   default-extensions: ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveTraversable FlexibleContexts FlexibleInstances FunctionalDependencies GADTs KindSignatures MultiParamTypeClasses OverloadedStrings RankNTypes ScopedTypeVariables TypeFamilies TypeOperators
   ghc-options: -Wall
   build-depends:
-      base         >= 4.10    && < 4.17
+      base         >= 4.10    && < 4.18
     , servant-docs >= 0.11.2  && < 0.13
     , servant      >= 0.13    && < 0.20
     , servant-auth == 0.4.*
@@ -50,7 +50,7 @@ test-suite doctests
   build-depends:
     base,
     servant-auth-docs,
-    doctest             >= 0.16   && < 0.19,
+    doctest             >= 0.16   && < 0.21,
     QuickCheck          >= 2.11.3 && < 2.15,
     template-haskell
   ghc-options:         -Wall -threaded

servant-auth/servant-auth-server/servant-auth-server.cabal

@@ -31,7 +31,7 @@ library
   default-extensions: ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveTraversable FlexibleContexts FlexibleInstances FunctionalDependencies GADTs KindSignatures MultiParamTypeClasses OverloadedStrings RankNTypes ScopedTypeVariables TypeFamilies TypeOperators
   ghc-options: -Wall
   build-depends:
-      base                    >= 4.10     && < 4.17
+      base                    >= 4.10     && < 4.18
     , aeson                   >= 1.0.0.1  && < 3
     , base64-bytestring       >= 1.0.0.1  && < 2
     , blaze-builder           >= 0.4.1.0  && < 0.5
@@ -43,7 +43,7 @@ library
     , http-types              >= 0.12.2   && < 0.13
     , jose                    >= 0.7.0.0  && < 0.10
     , lens                    >= 4.16.1   && < 5.3
-    , memory                  >= 0.14.16  && < 0.18
+    , memory                  >= 0.14.16  && < 0.19
     , monad-time              >= 0.3.1.0  && < 0.4
     , mtl                     >= 2.2.2    && < 2.3
     , servant                 >= 0.13     && < 0.20
@@ -51,7 +51,7 @@ library
     , servant-server          >= 0.13     && < 0.20
     , tagged                  >= 0.8.4    && < 0.9
     , text                    >= 1.2.3.0  && < 2.1
-    , time                    >= 1.5.0.1  && < 1.12
+    , time                    >= 1.5.0.1  && < 1.13
     , unordered-containers    >= 0.2.9.0  && < 0.3
     , wai                     >= 3.2.1.2  && < 3.3
 

servant-auth/servant-auth-swagger/servant-auth-swagger.cabal

@@ -31,7 +31,7 @@ library
   default-extensions: ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveTraversable FlexibleContexts FlexibleInstances FunctionalDependencies GADTs KindSignatures MultiParamTypeClasses OverloadedStrings RankNTypes ScopedTypeVariables TypeFamilies TypeOperators
   ghc-options: -Wall
   build-depends:
-      base            >= 4.10    && < 4.17
+      base            >= 4.10    && < 4.18
     , text            >= 1.2.3.0 && < 2.1
     , servant-swagger >= 1.1.5   && < 2
     , swagger2        >= 2.2.2   && < 3

servant-auth/servant-auth/servant-auth.cabal

@@ -33,7 +33,7 @@ library
   default-extensions: ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveTraversable FlexibleContexts FlexibleInstances FunctionalDependencies GADTs KindSignatures MultiParamTypeClasses OverloadedStrings RankNTypes ScopedTypeVariables TypeFamilies TypeOperators
   ghc-options: -Wall
   build-depends:
-      base                    >= 4.10     && < 4.17
+      base                    >= 4.10     && < 4.18
     , containers              >= 0.6      && < 0.7
     , aeson                   >= 1.3.1.1  && < 3
     , jose                    >= 0.7.0.0  && < 0.10

servant-client-core/servant-client-core.cabal

@@ -50,14 +50,14 @@ library
   --
   -- note: mtl lower bound is so low because of GHC-7.8
   build-depends:
-      base                  >= 4.9      && < 4.17
+      base                  >= 4.9      && < 4.18
     , bytestring            >= 0.10.8.1 && < 0.12
     , constraints           >= 0.2      && < 0.14
     , containers            >= 0.5.7.1  && < 0.7
     , deepseq               >= 1.4.2.0  && < 1.5
     , text                  >= 1.2.3.0  && < 2.1
     , transformers          >= 0.5.2.0  && < 0.6
-    , template-haskell      >= 2.11.1.0 && < 2.19
+    , template-haskell      >= 2.11.1.0 && < 2.20
 
   if !impl(ghc >= 8.2)
     build-depends:

servant-client/servant-client.cabal

@@ -41,14 +41,14 @@ library
   -- Bundled with GHC: Lower bound to not force re-installs
   -- text and mtl are bundled starting with GHC-8.4
   build-depends:
-      base                  >= 4.9      && < 4.17
+      base                  >= 4.9      && < 4.18
     , bytestring            >= 0.10.8.1 && < 0.12
     , containers            >= 0.5.7.1  && < 0.7
     , deepseq               >= 1.4.2.0  && < 1.5
     , mtl                   >= 2.2.2    && < 2.3
     , stm                   >= 2.4.5.1  && < 2.6
     , text                  >= 1.2.3.0  && < 2.1
-    , time                  >= 1.6.0.1  && < 1.12
+    , time                  >= 1.6.0.1  && < 1.13
     , transformers          >= 0.5.2.0  && < 0.6
 
   if !impl(ghc >= 8.2)

servant-docs/servant-docs.cabal

@@ -41,7 +41,7 @@ library
   --
   -- note: mtl lower bound is so low because of GHC-7.8
   build-depends:
-      base       >= 4.9      && < 4.17
+      base       >= 4.9      && < 4.18
     , bytestring >= 0.10.8.1 && < 0.12
     , text       >= 1.2.3.0  && < 2.1
 

servant-foreign/servant-foreign.cabal

@@ -41,7 +41,7 @@ library
   --
   -- note: mtl lower bound is so low because of GHC-7.8
   build-depends:
-      base        >= 4.9     && < 4.17
+      base        >= 4.9     && < 4.18
     , text        >= 1.2.3.0 && < 2.1
 
   -- Servant dependencies

servant-http-streams/servant-http-streams.cabal

@@ -38,13 +38,13 @@ library
   -- Bundled with GHC: Lower bound to not force re-installs
   -- text and mtl are bundled starting with GHC-8.4
   build-depends:
-      base                  >= 4.9      && < 4.17
+      base                  >= 4.9      && < 4.18
     , bytestring            >= 0.10.8.1 && < 0.12
     , containers            >= 0.5.7.1  && < 0.7
     , deepseq               >= 1.4.2.0  && < 1.5
     , mtl                   >= 2.2.2    && < 2.3
     , text                  >= 1.2.3.0  && < 2.1
-    , time                  >= 1.6.0.1  && < 1.12
+    , time                  >= 1.6.0.1  && < 1.13
     , transformers          >= 0.5.2.0  && < 0.6
 
   if !impl(ghc >= 8.2)

servant-server/servant-server.cabal

@@ -60,7 +60,7 @@ library
   -- Bundled with GHC: Lower bound to not force re-installs
   -- text and mtl are bundled starting with GHC-8.4
   build-depends:
-      base                >= 4.9      && < 4.17
+      base                >= 4.9      && < 4.18
     , bytestring          >= 0.10.8.1 && < 0.12
     , constraints         >= 0.2      && < 0.14
     , containers          >= 0.5.7.1  && < 0.7
@@ -73,7 +73,7 @@ library
   -- strict dependency as we re-export 'servant' things.
   build-depends:
       servant             >= 0.19     && < 0.20
-    , http-api-data       >= 0.4.1    && < 0.4.4
+    , http-api-data       >= 0.4.1    && < 0.5.1
 
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.
   -- Here can be exceptions if we really need features from the newer versions.

servant-server/src/Servant/Server/Internal.hs

@@ -1,5 +1,6 @@
 {-# LANGUAGE AllowAmbiguousTypes   #-}
 {-# LANGUAGE ConstraintKinds       #-}
+{-# LANGUAGE CPP                   #-}
 {-# LANGUAGE DataKinds             #-}
 {-# LANGUAGE DeriveDataTypeable    #-}
 {-# LANGUAGE FlexibleContexts      #-}
@@ -94,6 +95,8 @@ import           Servant.API.TypeErrors
 import           Web.HttpApiData
                  (FromHttpApiData, parseHeader, parseQueryParam, parseUrlPiece,
                  parseUrlPieces)
+import           Data.Kind
+                 (Type)
 
 import           Servant.Server.Internal.BasicAuth
 import           Servant.Server.Internal.Context
@@ -821,7 +824,11 @@ instance (HasContextEntry context (NamedContext name subContext), HasServer subA
 -------------------------------------------------------------------------------
 
 -- Erroring instance for 'HasServer' when a combinator is not fully applied
-instance TypeError (PartialApplication HasServer arr) => HasServer ((arr :: a -> b) :> sub) context
+instance TypeError (PartialApplication 
+#if __GLASGOW_HASKELL__ >= 904
+                    @(Type -> [Type] -> Constraint) 
+#endif
+                    HasServer arr) => HasServer ((arr :: a -> b) :> sub) context
   where
     type ServerT (arr :> sub) _ = TypeError (PartialApplication (HasServer :: * -> [*] -> Constraint) arr)
     route = error "unreachable"
@@ -865,7 +872,11 @@ type HasServerArrowTypeError a b =
 -- XXX: This omits the @context@ parameter, e.g.:
 --
 -- "There is no instance for HasServer (Bool :> …)". Do we care ?
-instance {-# OVERLAPPABLE #-} TypeError (NoInstanceForSub HasServer ty) => HasServer (ty :> sub) context
+instance {-# OVERLAPPABLE #-} TypeError (NoInstanceForSub 
+#if __GLASGOW_HASKELL__ >= 904
+                                         @(Type -> [Type] -> Constraint) 
+#endif
+                                         HasServer ty) => HasServer (ty :> sub) context
 
 instance {-# OVERLAPPABLE #-} TypeError (NoInstanceFor (HasServer api context)) => HasServer api context
 

servant/servant.cabal

@@ -80,7 +80,7 @@ library
   --
   -- note: mtl lower bound is so low because of GHC-7.8
   build-depends:
-      base                   >= 4.9      && < 4.17
+      base                   >= 4.9      && < 4.18
     , bytestring             >= 0.10.8.1 && < 0.12
     , constraints            >= 0.2
     , mtl                    >= 2.2.2    && < 2.3
@@ -92,7 +92,7 @@ library
   -- We depend (heavily) on the API of these packages:
   -- i.e. re-export, or allow using without direct dependency
   build-depends:
-      http-api-data          >= 0.4.1    && < 0.4.4
+      http-api-data          >= 0.4.1    && < 0.5.1
     , singleton-bool         >= 0.1.4    && < 0.1.7
 
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.

servant/src/Servant/API/TypeLevel.hs

@@ -110,7 +110,7 @@ type family IsElem' a s :: Constraint
 --
 -- >>> ok (Proxy :: Proxy (IsElem ("bye" :> Get '[JSON] Int) SampleAPI))
 -- ...
--- ... Could not deduce...
+-- ... Could not ...
 -- ...
 --
 -- An endpoint is considered within an api even if it is missing combinators
@@ -151,7 +151,7 @@ type family IsElem endpoint api :: Constraint where
 --
 -- >>> ok (Proxy :: Proxy (IsSubAPI (SampleAPI :<|> Get '[JSON] Int) SampleAPI))
 -- ...
--- ... Could not deduce...
+-- ... Could not ...
 -- ...
 --
 -- This uses @IsElem@ for checking; thus the note there applies here.
@@ -174,7 +174,7 @@ type family AllIsElem xs api :: Constraint where
 --
 -- >>> ok (Proxy :: Proxy (IsIn (Get '[JSON] Int) (Header "h" Bool :> Get '[JSON] Int)))
 -- ...
--- ... Could not deduce...
+-- ... Could not ...
 -- ...
 type family IsIn (endpoint :: *) (api :: *) :: Constraint where
   IsIn e (sa :<|> sb)                = Or (IsIn e sa) (IsIn e sb)

servant/src/Servant/Links.hs

@@ -1,5 +1,6 @@
 {-# LANGUAGE AllowAmbiguousTypes    #-}
 {-# LANGUAGE ConstraintKinds        #-}
+{-# LANGUAGE CPP                    #-}
 {-# LANGUAGE DataKinds              #-}
 {-# LANGUAGE FlexibleContexts       #-}
 {-# LANGUAGE FlexibleInstances      #-}
@@ -91,7 +92,7 @@
 -- >>> let bad_link = Proxy :: Proxy ("hello" :> Delete '[JSON] NoContent)
 -- >>> safeLink api bad_link
 -- ...
--- ...Could not deduce...
+-- ...Could not ...
 -- ...
 --
 --  This error is essentially saying that the type family couldn't find
@@ -193,6 +194,8 @@ import           Servant.API.Verbs
 import           Servant.API.WithNamedContext
                  (WithNamedContext)
 import           Web.HttpApiData
+import           Data.Kind
+                 (Type)
 
 -- | A safe link datatype.
 -- The only way of constructing a 'Link' is using 'safeLink', which means any
@@ -647,12 +650,20 @@ simpleToLink _ toA _ = toLink toA (Proxy :: Proxy sub)
 -- >>> import Data.Text (Text)
 
 -- Erroring instance for 'HasLink' when a combinator is not fully applied
-instance TypeError (PartialApplication HasLink arr) => HasLink ((arr :: a -> b) :> sub)
+instance TypeError (PartialApplication 
+#if __GLASGOW_HASKELL__ >= 904
+                    @(Type -> Constraint) 
+#endif
+                    HasLink arr) => HasLink ((arr :: a -> b) :> sub)
   where
     type MkLink (arr :> sub) _ = TypeError (PartialApplication (HasLink :: * -> Constraint) arr)
     toLink = error "unreachable"
 
 -- Erroring instances for 'HasLink' for unknown API combinators
-instance {-# OVERLAPPABLE #-} TypeError (NoInstanceForSub HasLink ty) => HasLink (ty :> sub)
+instance {-# OVERLAPPABLE #-} TypeError (NoInstanceForSub 
+#if __GLASGOW_HASKELL__ >= 904
+                                         @(Type -> Constraint) 
+#endif
+                                         HasLink ty) => HasLink (ty :> sub)
 
 instance {-# OVERLAPPABLE #-} TypeError (NoInstanceFor (HasLink api)) => HasLink api