checkout get all branches

action.yml

@@ -20,6 +20,11 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - uses: actions/checkout@v5
+      with:
+        fetch-depth: 0  # required to see all branches
+
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
@@ -39,10 +44,10 @@ runs:
 
     - name: push to latest branch
       run: | 
-        if ! git ls-remote --exit-code --heads origin latest; then
-            git checkout -b latest
-            git push origin latest
-        else
+        if git ls-remote --exit-code --heads origin latest; then
             git switch latest
             git merge latest
+        else
+            git checkout -b latest
+            git push origin latest
         fi