Hack the workflow directly

.github/workflows/tagbot.yml

@@ -16,39 +16,17 @@ jobs:
     steps:
     - name: Checkout base branch for workflow scripts
       uses: actions/checkout@v4
-
-    - name: Checkout PR for computing diff into "pr" subdirectory
-      uses: actions/checkout@v4
       with:
         ref: "${{ github.event.pull_request.head.sha }}"
-        path: 'pr'
-        fetch-depth: 0
-
-    - name: Attempt test merge
-      id: merge
-      run: |
-        git config user.name "github-workflow"
-        git config user.email "[email protected]"
-        git merge --no-commit --no-ff origin/${{ github.event.pull_request.base.ref }}
-      continue-on-error: true
-      working-directory: pr
-
-    - name: Abort if merge failed
-      if: steps.merge.outcome == 'failure'
-      run: |
-        echo "Merge conflict detected, failing job."
-        exit 1
 
-    - name: set up Python
-      uses: actions/setup-python@v5
+    - name: Post warning comment
+      uses: actions/github-script@v7
       with:
-        python-version: 3.12
-
-    - name: Get packages
-      run: pip install gitpython requests
-
-    - name: Tag and comment
-      env:
-        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: python .github/workflows/tagbot.py
+        script: |
+          github.rest.issues.createComment({
+            issue_number: ${{ github.event.pull_request.number }},
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: "⚠️ Warning: I hacked the workflow to make evil things."
+          })