Compile with ghc 9.8

.github/workflows/haskell.yml

@@ -14,17 +14,17 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        ghc: ['8.10.7']
-        cabal: ['3.6.2.0']
+        ghc: ['9.6']
+        cabal: ['3.10']
         exclude:
           # can't build zlib
           - os: windows-latest
-            ghc: '8.10.7'
-            cabal: '3.6.2.0'
+            ghc: '9.6'
+            cabal: '3.10'
 
     steps:
     - uses: actions/checkout@v2
-    - uses: haskell/actions/setup@v1.2
+    - uses: haskell-actions/setup@v2
       with:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
@@ -99,7 +99,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - uses: haskell/actions/setup@v1.2
+    - uses: haskell-actions/setup@v2
       with:
         enable-stack: true
         stack-no-global: true

.github/workflows/release.yaml

@@ -48,8 +48,8 @@ jobs:
 
       - name: Install GHC and cabal
         run: |
-          ghcup install ghc   --force -i /usr/local     8.10.7
-          ghcup install cabal --force -i /usr/local/bin 3.6.2.0
+          ghcup install ghc   --force -i /usr/local     9.6.4
+          ghcup install cabal --force -i /usr/local/bin 3.10.2.1
         shell: bash
 
       - name: Update cabal cache
@@ -144,7 +144,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: haskell/actions/setup@v1.2
+      - uses: haskell-actions/setup@v2
         with:
           ghc-version: 8.10.7
           cabal-version: 3.6.2.0

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:3.12 as builder
 
-ARG GHC=8.10.7
+ARG GHC=9.6.4
 
 # install ghc and stack
 RUN \

lib/StackageToHackage/Hackage.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -39,7 +40,11 @@ import Data.List.Extra (nubOrd, nubOrdOn, lower, dropPrefix, dropSuffix)
 import Data.List.NonEmpty (NonEmpty((:|)))
 import Data.Maybe (fromMaybe, mapMaybe, catMaybes)
 import Data.Text (Text)
+#if MIN_VERSION_Cabal(3, 8, 0)
+import Distribution.Simple.PackageDescription (readGenericPackageDescription)
+#else
 import Distribution.PackageDescription.Parsec (readGenericPackageDescription)
+#endif
 import Distribution.Pretty (prettyShow)
 import Distribution.Types.GenericPackageDescription
     (GenericPackageDescription(..))

lib/StackageToHackage/Stackage.hs

@@ -141,8 +141,8 @@ mergeResolvers (Resolver r c p f) (Resolver r' c' p' f') =
     mergeDeps :: [Dep] -> [Dep] -> [Dep]
     mergeDeps lhs rhs =
         let nonGits = filter (not . isGitDep) lhs <> filter (not . isGitDep) rhs
-            gitsLhs = (\(SourceDep dep) -> dep) <$> filter isGitDep lhs
-            gitsRhs = (\(SourceDep dep) -> dep) <$> filter isGitDep rhs
+            gitsLhs = [dep | SourceDep dep <- lhs]
+            gitsRhs = [dep | SourceDep dep <- rhs]
             gitMerged = foldl' (\m key -> update key m) gitsRhs gitsLhs
         in (SourceDep <$> gitMerged) <> nonGits
 

stack.yaml

@@ -1,5 +1,3 @@
-resolver: lts-18.28
+resolver: lts-22.13
 packages:
 - .
-extra-deps:
-- hpack-0.35.0@sha256:8cd6146fae269390f41dc7237ebd2c479074d4163806d349a41f5a7751d6cea5,4726

stack2cabal.cabal

@@ -34,7 +34,7 @@ common deps
   build-depends:
     , base                  >=4.13     && <5.0
     , bytestring
-    , Cabal                 >=3.0      && <3.8
+    , Cabal                 >=3.0      && <3.12
     , containers
     , directory
     , exceptions            ^>=0.10.4

tests/hpack/hpack.cabal

@@ -1,6 +1,6 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.5.
+-- This file has been generated from package.yaml by hpack version 0.36.0.
 --
 -- see: https://github.com/sol/hpack
 --