Update autopep8.yml

.github/workflows/autopep8.yml

@@ -2,23 +2,33 @@ name: autopep8
 on: pull_request
 jobs:
   autopep8:
-    # Check if the PR is not from a fork
-    if: github.event.pull_request.head.repo.full_name == github.repository
+    # Check if the PR is not raised by this workflow and is not from a fork
+    if: startsWith(github.head_ref, 'autopep8-patches') == false && github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
         with:
-          token: ${{ secrets.REPO_ACCESS_TOKEN }}
           ref: ${{ github.head_ref }}
       - name: autopep8
         id: autopep8
         uses: peter-evans/autopep8@v2
         with:
           args: --exit-code --recursive --in-place --aggressive --aggressive .
-      - name: Commit autopep8 changes
-        if: steps.autopep8.outputs.exit-code == 2
+      - name: Set autopep8 branch name
+        id: vars
         run: |
-          git config --global user.name 'Blüml Jannis'
-          git config --global user.email '[email protected]'
-          git commit -am "Automated autopep8 fixes"
-          git push
+          branch-name="autopep8-patches/${{ github.head_ref }}"
+          echo "branch-name=$branch-name" >> $GITHUB_OUTPUT
+      - name: Create Pull Request
+        if: steps.autopep8.outputs.exit-code == 2
+        uses: peter-evans/create-pull-request@v3
+        with:
+          commit-message: autopep8 action fixes
+          title: Fixes by autopep8 action
+          body: This is an auto-generated PR with fixes by autopep8.
+          labels: autopep8, automated pr
+          reviewers: peter-evans
+          branch: ${{ steps.vars.outputs.branch-name }}
+      - name: Fail if autopep8 made changes
+        if: steps.autopep8.outputs.exit-code == 2
+        run: exit 1