core: add a --systeminfo parameter to gather systeminfo without running

src/debug/HyprCtl.cpp

@@ -943,11 +943,14 @@ std::string systemInfoRequest(eHyprCtlOutputFormat format, std::string request)
     result += "os-release: " + execAndGet("cat /etc/os-release") + "\n\n";
 
     result += "plugins:\n";
+    if (g_pPluginSystem) {
         for (auto const& pl : g_pPluginSystem->getAllPlugins()) {
             result += std::format("  {} by {} ver {}\n", pl->name, pl->author, pl->version);
         }
+    } else
+        result += "\tunknown: not runtime\n";
 
-    if (g_pHyprCtl->m_sCurrentRequestParams.sysInfoConfig) {
+    if (g_pHyprCtl && g_pHyprCtl->m_sCurrentRequestParams.sysInfoConfig) {
         result += "\n======Config-Start======\n";
         result += g_pConfigManager->getConfigString();
         result += "\n======Config-End========\n";

src/debug/HyprCtl.hpp

@@ -5,6 +5,9 @@
 #include "../helpers/MiscFunctions.hpp"
 #include <functional>
 
+// exposed for main.cpp
+std::string systemInfoRequest(eHyprCtlOutputFormat format, std::string request);
+
 class CHyprCtl {
   public:
     CHyprCtl();

src/main.cpp

@@ -3,6 +3,7 @@
 #include "Compositor.hpp"
 #include "config/ConfigManager.hpp"
 #include "init/initHelpers.hpp"
+#include "debug/HyprCtl.hpp"
 
 #include <hyprutils/string/String.hpp>
 using namespace Hyprutils::String;
@@ -133,6 +134,10 @@ int main(int argc, char** argv) {
 
             std::cout << result;
             return 0;
+        } else if (it->compare("--systeminfo") == 0) {
+            const auto SYSINFO = systemInfoRequest(eHyprCtlOutputFormat::FORMAT_NORMAL, "");
+            std::cout << SYSINFO << "\n";
+            return 0;
         } else {
             std::cerr << "[ ERROR ] Unknown option '" << it->c_str() << "'!\n";
             help();