fix(cache): Cache hitting for Cabal build (#88)

Author: davidnbr

.github/workflows/main.yml

@@ -5,8 +5,8 @@
 
 name: CI
 
-on: 
-  pull_request: 
+on:
+  pull_request:
     branches:
       - main
   push:
@@ -20,7 +20,7 @@ concurrency:
 jobs:
   generate-matrix:
     name: "Generate matrix from cabal"
-    outputs: 
+    outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     runs-on: ubuntu-latest
     steps:
@@ -46,21 +46,23 @@ jobs:
         id: setup
         with:
           ghc-version: ${{ matrix.ghc }}
-          cabal-version: 'latest'
+          cabal-version: "latest"
           cabal-update: true
       - name: Configure the build
         run: |
-          cabal configure --enable-tests --disable-documentation
+          cabal configure --enable-tests --enable-benchmarks --disable-documentation
           cabal build all --dry-run
+
       - name: Restore cached dependencies
         uses: actions/cache/restore@v4
         id: cache
         env:
           key: ${{ runner.os }}-ghc-${{ steps.setup.outputs.ghc-version }}-cabal-${{ steps.setup.outputs.cabal-version }}
         with:
           path: ${{ steps.setup.outputs.cabal-store }}
-          key: ${{ env.key }}-plan-${{ hashFiles('**/plan.json') }}
-          restore-keys: ${{ env.key }}-
+          key: v1-${{ env.key }}-plan-${{ hashFiles('**/dist-newstyle/cache/plan.json') }}
+          restore-keys: v1-ghc-deps-${{ env.key }}-
+
       - name: Install dependencies
         if: steps.cache.outputs.cache-hit != 'true'
         run: cabal build all --only-dependencies