compatibility with template-haskell-2.21.0 and ghc 9.8 (#2542)

Author: locallycompact

dhall-bash/dhall-bash.cabal

@@ -28,12 +28,12 @@ Library
     Hs-Source-Dirs: src
     Build-Depends:
         base                      >= 4.11.0.0 && < 5   ,
-        bytestring                               < 0.12,
+        bytestring                               < 0.13,
         containers                               < 0.7 ,
         dhall                     >= 1.42.0   && < 1.43,
         neat-interpolation                       < 0.6 ,
         shell-escape                             < 0.3 ,
-        text                      >= 0.2      && < 2.1
+        text                      >= 0.2      && < 2.2
     Exposed-Modules: Dhall.Bash
     GHC-Options: -Wall
     Default-Language: Haskell2010

dhall/dhall.cabal

@@ -205,19 +205,19 @@ Flag network-tests
 Common common
     Build-Depends:
         base                        >= 4.11.0.0 && < 5   ,
-        aeson                       >= 1.0.0.0  && < 2.2 ,
+        aeson                       >= 1.0.0.0  && < 2.3 ,
         aeson-pretty                               < 0.9 ,
         ansi-terminal               >= 0.6.3.1  && < 1.1 ,
         atomic-write                >= 0.2.0.7  && < 0.3 ,
         base16-bytestring           >= 1.0.0.0           ,
-        bytestring                                 < 0.12,
+        bytestring                                 < 0.13,
         case-insensitive                           < 1.3 ,
         cborg                       >= 0.2.0.0  && < 0.3 ,
         cborg-json                  >= 0.2.2.0  && < 0.3 ,
         containers                  >= 0.5.8.0  && < 0.7 ,
         contravariant                              < 1.6 ,
         data-fix                                   < 0.4 ,
-        deepseq                                    < 1.5 ,
+        deepseq                                    < 1.6 ,
         Diff                        >= 0.2      && < 0.5 ,
         directory                   >= 1.3.0.0  && < 1.4 ,
         dotgen                      >= 0.4.2    && < 0.5 ,
@@ -244,8 +244,8 @@ Common common
         repline                     >= 0.4.0.0  && < 0.5 ,
         serialise                   >= 0.2.0.0  && < 0.3 ,
         scientific                  >= 0.3.0.0  && < 0.4 ,
-        template-haskell            >= 2.13.0.0 && < 2.20,
-        text                        >= 0.11.1.0 && < 2.1 ,
+        template-haskell            >= 2.13.0.0 && < 2.22,
+        text                        >= 0.11.1.0 && < 2.2 ,
         text-manipulate             >= 0.2.0.1  && < 0.4 ,
         text-short                  >= 0.1      && < 0.2 ,
         th-lift-instances           >= 0.1.13   && < 0.2 ,

dhall/src/Dhall/Syntax/Instances/Lift.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP                #-}
 {-# LANGUAGE DeriveLift         #-}
 {-# LANGUAGE StandaloneDeriving #-}
 
@@ -15,13 +16,17 @@ import Dhall.Syntax.Types
 import Dhall.Syntax.Var
 import Language.Haskell.TH.Syntax   (Lift)
 
+#if !MIN_VERSION_template_haskell(2,21,0)
 import qualified Data.Fixed as Fixed
+#endif
 import qualified Data.Time  as Time
 
 deriving instance Lift Time.Day
 deriving instance Lift Time.TimeOfDay
 deriving instance Lift Time.TimeZone
+#if !MIN_VERSION_template_haskell(2,21,0)
 deriving instance Lift (Fixed.Fixed a)
+#endif
 deriving instance Lift Const
 deriving instance Lift Var
 deriving instance (Lift s, Lift a) => Lift (Binding s a)

dhall/src/Dhall/TH.hs

@@ -264,7 +264,9 @@ toDeclaration generateOptions@GenerateOptions{..} haskellTypes typ =
 
         interpretOptions = generateToInterpretOptions generateOptions typ
 
-#if MIN_VERSION_template_haskell(2,17,0)
+#if MIN_VERSION_template_haskell(2,21,0)
+        toTypeVar (V n i) = Syntax.PlainTV (Syntax.mkName (Text.unpack n ++ show i)) Syntax.BndrInvis
+#elif MIN_VERSION_template_haskell(2,17,0)
         toTypeVar (V n i) = Syntax.PlainTV (Syntax.mkName (Text.unpack n ++ show i)) ()
 #else
         toTypeVar (V n i) = Syntax.PlainTV (Syntax.mkName (Text.unpack n ++ show i))