maybe incompatible syntax in the last action

action.yml

@@ -39,10 +39,10 @@ runs:
 
     - name: push to latest branch
       run: | 
-        if ! git ls-remote --exit-code --heads origin latest; then
+        if git ls-remote --exit-code --heads origin latest; then
-            git checkout -b latest
-            git push origin latest
-        else
             git switch latest
             git merge latest
+        else
+            git checkout -b latest
+            git push origin latest
         fi