optimize workflow

.github/workflows/main.yml

@@ -26,20 +26,29 @@ jobs:
               exit 1
             fi
 
-            CHANGELOG_CONTENT=$(awk '/^### / {if (p) exit; p=1} p' "$CHANGELOG_FILE")
+            CHANGELOG_CONTENT=$(awk '/^## / {print; getline; while ($0 !~ /^### / && $0 != "") {print; getline}}' "$CHANGELOG_FILE")
 
             if [ -z "$CHANGELOG_CONTENT" ]; then
               echo "Error: Could not extract the latest changelog entry."
+              echo "::error::Extracted content is empty."
               exit 1
             fi
 
+            echo "Extracted changelog content:"
+            echo "$CHANGELOG_CONTENT"
             echo "::set-output name=content::$CHANGELOG_CONTENT"
 
-        - name: Create annotated tag with changelog
+        - name: Create or update annotated tag with changelog
           run: |
             TAG_NAME="${{ github.ref_name }}"
             CHANGELOG_CONTENT="${{ steps.changelog.outputs.content }}"
 
+            if git rev-parse "$TAG_NAME" >/dev/null 2>&1; then
+              echo "Tag $TAG_NAME already exists. Updating tag message."
+              git tag -d "$TAG_NAME"
+              git push origin :"$TAG_NAME"
+            fi
+
             git tag -a "$TAG_NAME" -m "$CHANGELOG_CONTENT"
             git push origin "$TAG_NAME"