Merge pull request #7954 from pradyunsg/simplify-linting-github-action

Simplify our Linting GitHub Action

.github/workflows/python-linters.yml → .github/workflows/linting.yml

-name: >-
-  🤖
-  Code quality
+name: Linting
 
 on:
   push:
   pull_request:
   schedule:
   # Run every Friday at 18:02 UTC
-  # https://crontab.guru/#2_18_*_*_5
   - cron: 2 18 * * 5
 
 jobs:
-  linters:
-    name: >-
-      ${{ matrix.env.TOXENV }}/${{ matrix.python-version }}@${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
+  lint:
+    name: ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}-latest
+    env:
+      TOXENV: lint,docs,vendoring
+
     strategy:
-      # max-parallel: 5
       matrix:
-        python-version:
-        - 3.8
         os:
-        - ubuntu-latest
-        - windows-latest
-        - macos-latest
-        env:
-        - TOXENV: docs
-        - TOXENV: lint
-        - TOXENV: vendoring
-
-    env:
-      TOX_PARALLEL_NO_SPINNER: 1
+        - Ubuntu
+        - Windows
+        - MacOS
 
     steps:
-    - uses: actions/checkout@master
-    - name: Set up Python ${{ matrix.python-version }}
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
       uses: actions/setup-python@v1
       with:
-        python-version: ${{ matrix.python-version }}
-    - name: Log Python version
-      run: >-
-        python --version
-    - name: Log Python location
-      run: >-
-        which python
-    - name: Log Python env
-      run: >-
-        python -m sysconfig
-    - name: Pip cache
+        python-version: 3.8
+
+    # Setup Caching
+    - name: pip cache
       uses: actions/cache@v1
       with:
         path: ~/.cache/pip
@@ -55,43 +37,18 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-pip-
           ${{ runner.os }}-
-    - name: set PY
+
+    - name: Set PY (for pre-commit cache)
       run: echo "::set-env name=PY::$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')"
-    - uses: actions/cache@v1
+    - name: pre-commit cache
+      uses: actions/cache@v1
       with:
         path: ~/.cache/pre-commit
         key: pre-commit|2020-02-14|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
-    - name: Pre-configure global Git settings
-      run: |
-        git config --global user.email "pypa-dev@googlegroups.com"
-        git config --global user.name "pip"
-    - name: Update setuptools
-      run: >-
-        python -m pip install --upgrade setuptools
+
+    # Get the latest tox
     - name: Install tox
-      run: >-
-        python -m pip install --upgrade tox tox-venv
-    - name: Log the list of packages
-      run: >-
-        python -m pip freeze --all
-    - name: 'Initialize tox envs: ${{ matrix.env.TOXENV }}'
-      run: >-
-        python -m
-        tox
-        --parallel auto
-        --notest
-        --skip-missing-interpreters false
-      env: ${{ matrix.env }}
-    - name: Pre-fetch pre-commit hooks
-      # This is to separate test step from deps install
-      if: matrix.env.TOXENV == 'lint'
-      run: >-
-        .tox/lint/${{ runner.os == 'Windows' && 'Scripts' || 'bin' }}/python -m
-        pre_commit
-        install-hooks
-    - name: Test with tox
-      run: >-
-        python -m
-        tox
-        --parallel auto
-      env: ${{ matrix.env }}
+      run: python -m pip install tox
+
+    # Main check
+    - run: python -m tox