[TASK] Introduce pre commit hooks

To remove trailing whitespace and let files end on one empty line.

.github/workflows/apply-precommit.yml

@@ -9,7 +9,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
         with:
-          ref: ${{ github.ref }}  # Ensure to checkout the correct branch or ref
+          ref: ${{ github.ref }}
 
       - name: Set up Python
         uses: actions/setup-python@v2
@@ -27,18 +27,16 @@ jobs:
       - name: Run pre-commit hooks to fix issues
         id: pre-commit
         run: |
-          if pre-commit run --all-files --hook-stage=manual --show-diff-on-failure; then
-            echo "Pre-commit hooks passed successfully."
-          else
-            echo "Pre-commit hooks failed. Proceeding with the next steps."
-          fi
+          pre-commit run --all-files --hook-stage=manual || true
 
           git config user.name "github-actions"
           git config user.email "[email protected]"
 
+          # Check for changes
           git status
           git diff --cached
 
+          # Add and commit changes if there are any
           if ! git diff --cached --quiet; then
             git add .
             git commit -m "Fix whitespace issues"
@@ -49,10 +47,12 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Push changes
-        if: success()
+        if: success() && github.event_name == 'pull_request'
         run: |
-          # Push changes to the branch from which the pull request was created
-          git push origin ${{ github.head_ref }} || echo "Failed to push changes"
+          # Get the current branch name
+          BRANCH_NAME=$(echo "${GITHUB_REF#refs/heads/}")
+          echo "Pushing changes to branch: $BRANCH_NAME"
+          git push origin "$BRANCH_NAME" || echo "Failed to push changes"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}