extract lint.yml (#1103)

.github/workflows/build.yml

@@ -27,27 +27,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  lint:
-    runs-on: ubuntu-18.04
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up Python 3.7
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.7
-      - name: Install linting dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install flake8 isort yapf interrogate
-      - name: Lint with flake8
-        run: flake8 .
-      - name: Lint with isort
-        run: isort --recursive --check-only --diff mmdet3d/ tests/ examples/
-      - name: Format python codes with yapf
-        run: yapf -r -d mmdet3d/ tests/ examples/
-      - name: Check docstring
-        run: interrogate -v --ignore-init-method --ignore-module --ignore-nested-functions --exclude mmdet3d/ops --ignore-regex "__repr__" --fail-under 95 mmdet3d
-
   build:
     env:
       FORCE_CUDA: 1

.github/workflows/lint.yml

+name: lint
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install linting dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install flake8 isort yapf interrogate
+      - name: Lint with flake8
+        run: flake8 .
+      - name: Lint with isort
+        run: isort --recursive --check-only --diff mmdet3d/ tests/ examples/
+      - name: Format python codes with yapf
+        run: yapf -r -d mmdet3d/ tests/ examples/
+      - name: Check docstring
+        run: interrogate -v --ignore-init-method --ignore-module --ignore-nested-functions --exclude mmdet3d/ops --ignore-regex "__repr__" --fail-under 95 mmdet3d