Add pre-commit and codespell check

Add runner.yml also to make sure to run pre-commit before testing the project

Author: adamscott

.github/workflows/build-pr.yml

@@ -1,41 +1,37 @@
 name: 🌌 Test Build
 
-on: [pull_request]
-
-# Make sure jobs cannot overlap (e.g. one from push and one from schedule).
-concurrency:
-  group: pr-${{github.actor}}-${{github.head_ref || github.run_number}}-${{github.ref}}-ci
-  cancel-in-progress: true
+on:
+  workflow_call:
 
 jobs:
   build:
     name: Build sources from the PR branch
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout
-      uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # Configure the build environment.
 
-    # Configure the build environment.
+      - name: Install Ruby 3.1
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.1"
+          # Runs 'bundle install' and caches installed gems automatically
+          bundler-cache: true
 
-    - name: Install Ruby 3.1
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: '3.1'
-        # Runs 'bundle install' and caches installed gems automatically
-        bundler-cache: true
+      - name: Install Minify
+        run: sudo apt-get update && sudo apt-get install minify
 
-    - name: Install Minify
-      run: sudo apt-get update && sudo apt-get install minify
+      # Build the website.
 
-    # Build the website.
+      - name: Build the static website
+        run: bundle exec jekyll build
 
-    - name: Build the static website
-      run: bundle exec jekyll build
+      # Upload resulting "_site" directory as artifact
 
-    # Upload resulting "_site" directory as artifact
-    
-    - uses: actions/upload-artifact@v4
-      with:
-        name: site
-        path: _site/
+      - uses: actions/upload-artifact@v4
+        with:
+          name: site
+          path: _site/

.github/workflows/runner.yml

@@ -0,0 +1,20 @@
+name: 🔗 GHA
+on: [push, pull_request, merge_group]
+
+concurrency:
+  group: ${{ github.workflow }}|${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  # First stage: Only static checks, fast and prevent expensive builds from running.
+
+  static-checks:
+    if: "!vars.DISABLE_GODOT_CI"
+    name: 📊 Static checks
+    uses: ./.github/workflows/static_checks.yml
+
+  # Second stage: test build the PR
+  test-build:
+    name: 🌌 Test Build
+    needs: static-checks
+    uses: ./.github/workflows/build-pr.yml

.github/workflows/static_checks.yml

@@ -0,0 +1,31 @@
+name: 📊 Static Checks
+on:
+  workflow_call:
+
+jobs:
+  static-checks:
+    name: Code style and file formatting
+    runs-on: ubuntu-24.04
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get changed files
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          if [ "${{ github.event_name }}" == "pull_request" ]; then
+            files=$(git diff-tree --no-commit-id --name-only -r HEAD^1..HEAD 2> /dev/null || true)
+          elif [ "${{ github.event_name }}" == "push" -a "${{ github.event.forced }}" == "false" -a "${{ github.event.created }}" == "false" ]; then
+            files=$(git diff-tree --no-commit-id --name-only -r ${{ github.event.before }}..${{ github.event.after }} 2> /dev/null || true)
+          fi
+          echo "$files" >> changed.txt
+          cat changed.txt
+          files=$(echo "$files" | grep -v 'thirdparty' | xargs -I {} sh -c 'echo "\"./{}\""' | tr '\n' ' ')
+          echo "CHANGED_FILES=$files" >> $GITHUB_ENV
+
+      - name: pre-commit checks
+        uses: pre-commit/[email protected]
+        with:
+          extra_args: --files ${{ env.CHANGED_FILES }}

.pre-commit-config.yaml

@@ -0,0 +1,14 @@
+default_language_version:
+  python: python3
+
+exclude: |
+  ^(
+
+  )$
+
+repos:
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.3.0
+    hooks:
+      - id: codespell
+        additional_dependencies: [tomli]