Skip CI when some specific files were changed (#1533)

* [Docs] Skip CI when some specific files were changed

* remove a unnecessary environment in lint.yml

* Use paths-ignore to ignore paths instead of paths

* fix typo

.dev_scripts/check_installation.py

@@ -20,13 +20,16 @@ def check_installation():
 
     # test mmcv-full with CPU ops
     box_iou_rotated(boxes1, boxes2)
+    print('CPU ops were compiled successfully.')
 
     # test mmcv-full with both CPU and CUDA ops
     if torch.cuda.is_available():
         boxes1 = boxes1.cuda()
         boxes2 = boxes2.cuda()
-
         box_iou_rotated(boxes1, boxes2)
+        print('CUDA ops were compiled successfully.')
+    else:
+        print('No CUDA runtime is found, skipping the checking of CUDA ops.')
 
 
 if __name__ == '__main__':
@@ -37,4 +40,5 @@ if __name__ == '__main__':
     env_info_dict = collect_env()
     env_info = '\n'.join([(f'{k}: {v}') for k, v in env_info_dict.items()])
     dash_line = '-' * 60 + '\n'
-    print('Environment info:\n' + dash_line + env_info + '\n' + dash_line)
+    print('Environment information:')
+    print(dash_line + env_info + '\n' + dash_line)

.github/workflows/build.yml

 name: build
 
-on: [push, pull_request]
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+      - 'README_zh-CN.md'
+      - 'docs/**'
+      - 'docs_zh-CN/**'
+      - 'examples/**'
+      - '.dev_scripts/**'
+
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+      - 'README_zh-CN.md'
+      - 'docs/**'
+      - 'docs_zh-CN/**'
+      - 'examples/**'
+      - '.dev_scripts/**'
 
 env:
   MMCV_WITH_OPS: 1
 
 jobs:
-  lint:
-    runs-on: ubuntu-18.04
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up Python 3.7
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.7
-      - name: Install pre-commit hook
-        run: |
-          pip install pre-commit
-          pre-commit install
-      - name: Linting
-        run: pre-commit run --all-files
-      - name: Format c/cuda codes with clang-format
-        uses: DoozyX/clang-format-lint-action@v0.11
-        with:
-          source: mmcv/ops/csrc
-          extensions: h,c,cpp,hpp,cu,cuh
-          style: google
-
   build_without_torch:
     runs-on: ubuntu-18.04
     strategy:

.github/workflows/lint.yml

+name: lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+      - name: Install pre-commit hook
+        run: |
+          pip install pre-commit
+          pre-commit install
+      - name: Linting
+        run: pre-commit run --all-files
+      - name: Format c/cuda codes with clang-format
+        uses: DoozyX/clang-format-lint-action@v0.11
+        with:
+          source: mmcv/ops/csrc
+          extensions: h,c,cpp,hpp,cu,cuh
+          style: google