Add scheduled builds with latest GHC

.github/workflows/build-and-test-ubuntu.yaml

@@ -36,7 +36,7 @@ jobs:
           --ghc-options="-Werror"
       - name: Check that .cabal file has not changed except hpack comment
         run: |
-          CABAL_FILE=jbeam-edit.cabal
+          CABAL_FILE=$(find . -maxdepth 1 -name '*.cabal' | head -n 1)
           TMP_DIR=$(mktemp -d)
           git show HEAD:$CABAL_FILE > $TMP_DIR/committed.cabal
           cp $CABAL_FILE $TMP_DIR/current.cabal
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ghc: [9.4.7, 9.6.6, latest]
+        ghc: [9.4.7, 9.6.6]
     env:
       MATRIX_GHC: ${{ matrix.ghc }}
     steps:
@@ -78,7 +78,7 @@ jobs:
         with:
           ghc-version: ${{ matrix.ghc }}
           cabal-version: latest
-          cabal-update: true
+          cabal-update: false
       - name: Log GHC and Cabal outputs
         run: |
           echo "GHC Version: ${{ steps.setup-ghc.outputs.ghc-version }}"
@@ -98,6 +98,8 @@ jobs:
             }}
           restore-keys: |
             ${{ runner.os }}-cabal-${{ steps.setup-ghc.outputs.ghc-version }}-
+      - name: Update Cabal package index
+        run: cabal update
       - name: Configure project
         run: |
           FLAGS=""
@@ -106,6 +108,6 @@ jobs:
           fi
           cabal configure --enable-tests --flags=dump-ast $FLAGS --ghc-options="-Werror"
       - name: Build project (GHC ${{ steps.setup-ghc.outputs.ghc-version }})
-        run: cabal build
+        run: cabal build all
       - name: Run tests (GHC ${{ steps.setup-ghc.outputs.ghc-version }})
-        run: cabal test --test-show-details=direct
+        run: cabal test --test-show-details=direct all

.github/workflows/build-and-test-windows.yaml

@@ -4,10 +4,13 @@ on:
   push:
     branches: [master]
   pull_request:
+  schedule:
+    - cron: 0 5 * * 0  # every sunday 05:00 UTC
 
 jobs:
   build-with-stack-windows:
     name: Build and test with Stack
+    if: github.event_name != 'schedule'
     runs-on: windows-latest
     steps:
       - name: Checkout code
@@ -36,42 +39,3 @@ jobs:
           --ghc-options="-Werror"
       - name: Run tests
         run: stack test --fast
-  build-with-cabal-windows:
-    name: Build and test with Cabal (GHC latest, future-proof)
-    runs-on: windows-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: Set up GHC latest and Cabal
-        id: setup-ghc
-        uses: haskell-actions/setup@v2.8.0
-        with:
-          ghc-version: latest
-          cabal-version: latest
-          cabal-update: true
-      - name: Log GHC and Cabal outputs
-        run: |
-          echo "GHC Version: ${{ steps.setup-ghc.outputs.ghc-version }}"
-          echo "Cabal Store Path: ${{ steps.setup-ghc.outputs.cabal-store }}"
-      - name: Cache GHC, Cabal store, and build artifacts
-        uses: actions/cache@v4.2.3
-        with:
-          path: |
-            dist-newstyle
-            ${{ steps.setup-ghc.outputs.cabal-store }}
-          key: >-
-            ${{ runner.os }}-cabal-${{
-               steps.setup-ghc.outputs.ghc-version
-            }}-${{
-              hashFiles('**/package.yaml')
-            }}
-          restore-keys: |
-            ${{ runner.os }}-cabal-${{ steps.setup-ghc.outputs.ghc-version }}-
-      - name: Configure project
-        shell: pwsh
-        run: |
-          cabal configure --enable-tests --flags=dump-ast --allow-newer=base --ghc-options="-Werror"
-      - name: Build project (GHC latest)
-        run: cabal build
-      - name: Run tests (GHC latest)
-        run: cabal test --test-show-details=direct

.github/workflows/future-proofing.yaml

@@ -0,0 +1,52 @@
+on:
+  push:
+    branches: [master]
+  pull_request:
+  schedule:
+    - cron: 0 5 * * 0  # every sunday 05:00 UTC
+
+jobs:
+  build-with-latest-ghc:
+    name: Build and test with Cabal (GHC latest) on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up GHC latest and Cabal
+        id: setup-ghc
+        uses: haskell-actions/setup@v2.8.0
+        with:
+          ghc-version: latest
+          cabal-version: latest
+          cabal-update: false
+      - name: Log GHC and Cabal outputs
+        run: |
+          echo "GHC Version: ${{ steps.setup-ghc.outputs.ghc-version }}"
+          echo "Cabal Store Path: ${{ steps.setup-ghc.outputs.cabal-store }}"
+      - name: Cache GHC, Cabal store, and build artifacts
+        uses: actions/cache@v4.2.3
+        with:
+          path: |
+            dist-newstyle
+            ${{ steps.setup-ghc.outputs.cabal-store }}
+          key: >-
+            ${{ runner.os }}-cabal-${{
+              steps.setup-ghc.outputs.ghc-version
+            }}-${{
+              hashFiles('**/package.yaml')
+            }}
+          restore-keys: |
+            ${{ runner.os }}-cabal-${{ steps.setup-ghc.outputs.ghc-version }}-
+      - name: Update Cabal package index
+        run: cabal update
+      - name: Configure project
+        shell: bash
+        run: |
+          cabal configure --enable-tests --flags=dump-ast --allow-newer=base --ghc-options="-Werror"
+      - name: Build project (GHC latest)
+        run: cabal build all
+      - name: Run tests (GHC latest)
+        run: cabal test --test-show-details=direct all