[fix] make Xfce optional with separate Linux deb packages, refs #106

2026-11-07 06:39:10 +08:00 · 2026-10-08 14:43:58 +08:00
parent ec6fe8ea98
commit 9550731681
17 changed files with 256 additions and 64 deletions
@@ -0,0 +1,55 @@
+#include "linux_update_download.h"
+
+#include <fstream>
+#include <nlohmann/json.hpp>
+
+namespace crossdesk {
+
+std::string LinuxUpdateDownloadUrl(const nlohmann::json& manifest,
+                                   const VersionInfo& latest,
+                                   const std::string& architecture,
+                                   const std::filesystem::path& executable_dir) {
+  const std::string fallback = "https://github.com/kunkundi/crossdesk/releases";
+  if ((architecture != "amd64" && architecture != "arm64") ||
+      executable_dir.empty()) {
+    return fallback;
+  }
+
+  std::string package_name = "crossdesk";
+  const auto marker = executable_dir / "package-name";
+  std::error_code error;
+  const bool has_marker = std::filesystem::exists(marker, error);
+  if (error) return fallback;
+  if (has_marker) {
+    std::ifstream file(marker);
+    if (!std::getline(file, package_name)) return fallback;
+  }
+  std::string key = "linux-" + architecture;
+  if (package_name == "crossdesk-virtual-desktop-xfce") {
+    key += "-virtual-desktop-xfce";
+  } else if (package_name != "crossdesk") {
+    return fallback;
+  }
+
+  try {
+    const auto& download = manifest.at("downloads").at(key);
+    const auto version = ParseVersionInfoJSON(download.dump());
+    // A partial release can leave older downloads in the merged manifest.
+    if (!version || version->version != latest.version ||
+        IsNewerVersionWithMetadata(version->version, latest.version,
+                                   latest.release_date, latest.patch)) {
+      return fallback;
+    }
+    const std::string filename = package_name + "-linux-" + architecture +
+                                 "-v" + latest.version + ".deb";
+    const std::string url = "https://downloads.crossdesk.cn/" + filename;
+    // Verify the variant in the asset name too, not just the manifest key.
+    if (download.at("filename") == filename && download.at("url") == url) {
+      return url;
+    }
+  } catch (const nlohmann::json::exception&) {
+  }
+  return fallback;
+}
+
+}  // namespace crossdesk