Add nightly.yml workflow

.github/workflows/nightly.yml

@@ -0,0 +1,33 @@
+name: Build nightly release
+
+on:
+  schedule:
+    - cron: '0 12 * * *'
+  workflow_dispatch:
+
+jobs:
+  update_submodules:
+    uses: ./.github/workflows/update-submodules.yml
+
+  update_definitions:
+    uses: ./.github/workflows/update-definitions.yml
+
+  upload:
+    name: Upload definitions
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Clone definitions
+        uses: actions/checkout@v4
+        with:  
+          sparse-checkout: dist
+          sparse-checkout-cone-mode: false
+
+      - name: Upload as artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dfhack-lua-definitions
+          path: dist
+          compression-level: 9
+
+
+

.github/workflows/build.yml → .github/workflows/test.yml

@@ -1,31 +1,32 @@
-name: Build
+name: Test
 
 on:
   push:
-    branches:
-      - main
+  pull_request:
   workflow_call:
   workflow_dispatch:
 
 jobs:
-  build:
-    name: Generate Annotations
+  test:
+    name: Run tests
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
+
       - uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
-      - run: bundle exec rake
-        # TODO: Improve testing.
-        continue-on-error: true
-      - name: Build annotations
+
+      - name: Run Rspec
+        run: bundle exec rake
+
+      - name: Generate definitions
         run: bundle exec rake build
+
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
           name: dfhack-lua-definitions
           path: dist
-          compression-level: 9

.github/workflows/update-definitions.yml

@@ -0,0 +1,34 @@
+name: Update definitions
+
+on: workflow_call
+
+jobs:
+  run:
+    name: Update definitions
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Generate definitions
+        run: rake build
+
+      - name: Check if definitions changed
+        id: definitions_changed
+        run: echo "changed=$(git diff --quiet HEAD -- dist; echo $?)" >> $GITHUB_OUTPUT
+
+      - name: Setup git user
+        if: ${{ steps.definitions_changed.outputs.changed == true }}
+        run: |
+          git config user.name github-actions
+          git config user.email [email protected]
+
+      - name: Commit changes
+        if: ${{ steps.definitions_changed.outputs.changed == true }}
+        run: |
+          git add dist
+          git commit -m "Auto-update definitions"
+          git push

.github/workflows/update-submodules.yml

@@ -12,16 +12,20 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+
       - name: Update submodules
         run: git submodule update --remote
+
       - name: Check if submodules updated
         id: submodules_updated
         run: echo "changed=$(git diff --quiet HEAD -- dfhack df-structures; echo $?)" >> $GITHUB_OUTPUT
+
       - name: Setup git user
         if: ${{ steps.submodules_updated.outputs.changed == true }}
         run: |
           git config user.name github-actions
           git config user.email [email protected]
+
       - name: Commit changes
         if: ${{ steps.submodules_updated.outputs.changed == true }}
         run: |