fix gsu

.zshrc

@@ -354,23 +354,26 @@ __alias__() {
     alias gcm="git commit -m"
     alias gpu="git push --recurse-submodule=on-demand"
     gsu() {
-      echo_info "Pulling submodules..."
-      if git submodule foreach git pull --recurse-submodule; then
-        echo_info "Submodules pulled successfully."
-      else
-        echo_error "Failed to pull submodules."
-        return 1
-      fi
+      echo "| git submodule foreach git pull --recurse-submodule |"
+      git submodule foreach git pull --recurse-submodule &&
+        echo "-- pulled down submodules recursively"
 
-      echo_info "Updating submodules..."
-      if git submodule update --init --recursive; then
-        echo_info "Submodules updated successfully."
-      else
-        echo_error "Failed to update submodules."
-        return 1
-      fi
+      echo "| git submodule update --init --recursive |"
+      git submodule update --init --recursive
 
-      if git diff .; then
+      echo "-- Checking submodule branches... --"
+      git submodule foreach '
+        branch=$(git symbolic-ref --short HEAD 2>/dev/null || echo "detached")
+        if [ "$branch" = "detached" ]; then
+          default_branch=$(git config -f $toplevel/.gitmodules submodule.$name.branch || echo "main")
+          echo "Submodule $name is detached. Checking out $default_branch..."
+          git checkout $default_branch
+        else
+          echo "Submodule $name is on branch $branch."
+        fi
+      '
+
+      if git diff --quiet .; then
         echo_info "Staging changes..."
         git add .
         sleep 0.3
@@ -391,6 +394,7 @@ __alias__() {
         return 1
       fi
     }
+
     gwip() {
       # Fetch the latest changes from the remote
       git fetch