Only lint changed files on PR

sqrrrl · sqrrrl · commit 7499989a5ba6 · 2021-12-01T21:01:42.000-07:00
diff --git a/.github/scripts/lint.sh b/.github/scripts/lint.sh
@@ -18,4 +18,9 @@ set -e
 export LC_ALL=C.UTF-8
 export LANG=C.UTF-8
 
-find . -iname "*.py" | xargs pylint
+if [ -f "${HOME}/changed_files.txt" ]; then
+  # TODO - Check for .pylintrc changes
+  cat "${HOME}/changed_files.txt" | grep ".py$" | xargs pylint
+else
+  find . -iname "*.py" | xargs pylint
+fi
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -11,6 +11,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Fetch and Diff PR with base from which it was cloned
+        if: ${{ github.event.pull_request.base.sha }}
+        run: |
+          git fetch origin main ${{ github.event.pull_request.base.sha }}
+          git diff  --diff-filter=ACM --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} > $HOME/changed_files.txt
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
@@ -29,6 +34,11 @@ jobs:
         python-version: [3.6]
     steps:
       - uses: actions/checkout@v2
+      - name: Fetch and Diff PR with base from which it was cloned
+        if: ${{ github.event.pull_request.base.sha }}
+        run: |
+          git fetch origin main ${{ github.event.pull_request.base.sha }}
+          git diff  --diff-filter=ACM --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} > $HOME/changed_files.txt
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
