Merge pull request #108 from turion/dev_ghc_9.4

Dev ghc 9.4

.github/workflows/ci.yml

@@ -1,15 +1,25 @@
 on: [push, pull_request]
 name: build
 jobs:
+  fourmolu:
+    name: "Run fourmolu"
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cachix/install-nix-action@v22
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - name: Set up and run fourmolu
+      run: |
+        nix shell nixpkgs#haskellPackages.fourmolu --command fourmolu --mode check .
+
   build:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        ghc: ['8.8.4','8.10.7','9.0.2','9.2.4']
+        ghc: ['8.8.4','8.10.7','9.0.2','9.2.5','9.4.5']
         os: [ubuntu-latest]
     name: Haskell GHC ${{ matrix.ghc }} cabal + stack
-    env:
-      cabal_project_freeze: cabal.project.${{ matrix.ghc }}.freeze
     steps:
       - uses: actions/checkout@v2
       - uses: haskell/actions/setup@v2.0.2
@@ -19,12 +29,6 @@ jobs:
           enable-stack: true
       - name: Install dependencies
         run: sudo apt-get install -y libxml2-utils libgl1-mesa-dev libglu1-mesa-dev freeglut3-dev libpulse-dev libblas-dev liblapack-dev libasound2-dev wget
-      - name: Install fourmolu
-        run: |
-          wget https://github.com/fourmolu/fourmolu/releases/download/v0.9.0.0/fourmolu-0.9.0.0-linux-x86_64
-          chmod u+x fourmolu-0.9.0.0-linux-x86_64
-      - name: Check formatting with fourmolu
-        run: ./fourmolu-0.9.0.0-linux-x86_64 --mode check $(git ls-files '*.hs')
       - name: Cabal update
         run: cabal update
       - name: Cache Cabal build artifacts
@@ -33,18 +37,18 @@ jobs:
           path: |
             ${{ steps.setup-haskell-build.outputs.cabal-store }}
             dist-newstyle
-          key: ${{ runner.os }}-cabal-${{ matrix.ghc }}-${{ hashFiles(env.cabal_project_freeze) }}
+          key: ${{ runner.os }}-cabal-${{ matrix.ghc }}
           restore-keys: |
             ${{ runner.os }}-cabal-${{ matrix.ghc }}
       - name: Cabal build dependencies
         run: |
-          cabal build all  --enable-tests --only-dependencies --project-file=cabal.project.${{ matrix.ghc }}
+          cabal build all  --enable-tests --only-dependencies
       - name: Cabal build packages
         run: |
-          cabal build all --enable-tests --project-file=cabal.project.${{ matrix.ghc }}
+          cabal build all --enable-tests
       - name: Cabal test
         run: |
-          cabal test all --enable-tests --test-show-details=Always --project-file=cabal.project.${{ matrix.ghc }}
+          cabal test all --enable-tests --test-show-details=Always
       - name: Cache stack build artifacts
         uses:  freckle/stack-cache-action@v1.0.1
         with: