Run new CI checks for changed parts

.github/workflows/ci.yml

@@ -8,16 +8,17 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v3
-      - name: Setup Python
-        uses: actions/setup-python@v4
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
       - name: Display Python version
         run: python -c "import sys; print(sys.version)"
       - name: Install requirements
         run: pip install -r scripts/requirements.txt
-      - name: Avoid non acsii in part and svg filenames
+      - name: Avoid non-ASCII in part and SVG filenames
         run: python scripts/checkascii.py .
       - name: Check that image filenames use same case
         run: python scripts/checkcase.py
@@ -49,3 +50,76 @@ jobs:
           fzb -version
       - name: Fzp validate
         run: fzp validate --dir ./core
+
+  check_modified_files_merge:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install requirements
+        run: pip install --no-cache-dir -r scripts/checks/requirements.txt
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        with:
+          since_last_remote_commit: true
+          files: |
+            **/*.fzp
+            **/*.svg
+          files_ignore: |
+            **/obsolete/**
+          write_output_files: true
+      - name: List changed files
+        run: cat .github/outputs/all_changed_files.txt
+      - name: Run fzp checker
+        run: python scripts/checks/fzp_checker_runner.py . -f .github/outputs/all_changed_files.txt -v
+
+  check_modified_files_default:
+    if: github.event_name != 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install requirements
+        run: pip install --no-cache-dir -r scripts/checks/requirements.txt
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        with:
+          since_last_remote_commit: true
+          files: |
+            **/*.fzp
+            **/*.svg
+          files_ignore: |
+            **/obsolete/**
+          write_output_files: true
+      - name: List changed files
+        run: cat .github/outputs/all_changed_files.txt
+      - name: Run fzp checker
+        run: python scripts/checks/fzp_checker_runner.py . -f .github/outputs/all_changed_files.txt -v
+
+  checker_unit_test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install requirements
+        run: |
+          cd scripts/checks
+          pip install --no-cache-dir -r requirements.txt
+      - name: Run pytest
+        run: python -m pytest
+        working-directory: scripts/checks