[CI] Recovered format check, add dependancy

.github/workflows/persubmit.yml

@@ -4,9 +4,35 @@ on:
     types: [opened, synchronize, reopened]
 
 jobs:
+  check_code_format:
+    name: Check Code Format
+    runs-on: ubuntu-latest
+    # This job will be required to pass before merging to master branch.
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Check code format
+        run: |
+          git config user.email "[email protected]"
+          git config user.name "Taichi Gardener"
+          git checkout -b _fake_squash
+          git remote add upstream https://github.com/taichi-dev/taichi.git
+          git fetch upstream master
+          sudo apt-get install clang-format
+          python3 -m pip install --user yapf gitpython colorama isort
+          python3 python/taichi/code_format.py
+          git checkout -b _enforced_format
+          git commit -am "enforce code format" || true
+          # exit with 1 if there were differences:
+          git diff _fake_squash _enforced_format --exit-code
+
   build_and_test_cpu_required:
     # This job will be required to pass before merging to master branch.
     name: Required Build and Test (CPU)
+    needs: check_code_format
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip ci') }}
     strategy:
       matrix:
@@ -51,6 +77,7 @@ jobs:
 
   build_and_test_cpu:
     name: Build and Test (CPU)
+    needs: check_code_format
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip ci') && github.event.sender.login != 'taichi-gardener' }}
     strategy:
       matrix:
@@ -107,6 +134,7 @@ jobs:
 
   build_and_test_gpu_linux:
     name: Build and Test (GPU)
+    needs: check_code_format
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip ci') && github.event.sender.login != 'taichi-gardener' }}
     runs-on: [self-hosted, cuda, cn]
     steps:

python/taichi/code_format.py

@@ -150,7 +150,7 @@ def format_file(fn):
         format_plain_text(fn)
         return True
     elif has_suffix(fn, [
-            'txt', 'md', 'rst', 'cfg', 'yml', 'ini', 'map', 'cmake'
+            'txt', 'md', 'rst', 'cfg', 'ini', 'map', 'cmake'
     ]) or (os.path.basename(fn)[0].isupper()
            and fn.endswith('file')):  # E.g., Dockerfile and Jenkinsfile
         format_plain_text(fn)