Update build.func

misc/build.func

@@ -2258,6 +2258,57 @@ check_container_storage() {
   fi
 }
 
+get_gh_release() {
+  local repo="$1"
+  local app="${repo##*/}"
+  local api_url="https://api.github.com/repos/$repo/releases/latest"
+  local header=()
+  local attempt=0
+  local max_attempts=3
+  local api_response tag
+
+  echo "🔍 Checking latest release for: $repo"
+
+  [[ -n "${GITHUB_TOKEN:-}" ]] && header=(-H "Authorization: token $GITHUB_TOKEN")
+
+  until [[ $attempt -ge $max_attempts ]]; do
+    ((attempt++))
+    $STD msg_info "[$attempt/$max_attempts] Fetching GitHub release for $repo...\n"
+
+    if ! api_response=$(curl -fsSL "${header[@]}" "$api_url"); then
+      $STD msg_info "Request failed, retrying...\n"
+      sleep 2
+      continue
+    fi
+
+    if echo "$api_response" | grep -q "API rate limit exceeded"; then
+      msg_error "GitHub API rate limit exceeded."
+      return 1
+    fi
+
+    if echo "$api_response" | jq -e '.message == "Not Found"' &>/dev/null; then
+      msg_error "Repository not found: $repo"
+      return 1
+    fi
+
+    tag=$(echo "$api_response" | jq -r '.tag_name // .name // empty')
+    [[ "$tag" =~ ^v[0-9] ]] && tag="${tag:1}"
+
+    if [[ -z "$tag" ]]; then
+      $STD msg_info "Empty tag received, retrying...\n"
+      sleep 2
+      continue
+    fi
+
+    $STD msg_ok "Found release: $tag for $repo"
+    echo "$tag"
+    return 0
+  done
+
+  msg_error "Failed to fetch release for $repo after $max_attempts attempts."
+  return 1
+}
+
 start() {
   #source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/misc/github.func)
   LOGDIR="/usr/local/community-scripts/logs"