systeminfo: log system package versions (#11946)

src/helpers/MiscFunctions.cpp

@@ -929,3 +929,41 @@ std::string deviceNameToInternalString(std::string in) {
     std::ranges::transform(in, in.begin(), ::tolower);
     return in;
 }
+
+static const std::vector<const char*> PKGCONF_PATHS = {"/usr/lib/pkgconfig", "/usr/local/lib/pkgconfig"};
+
+//
+std::string getSystemLibraryVersion(const std::string& name) {
+    for (const auto& pkgconf : PKGCONF_PATHS) {
+        std::error_code   ec;
+        const std::string PATH = std::string{pkgconf} + "/" + name + ".pc";
+        if (!std::filesystem::exists(PATH, ec))
+            continue;
+
+        const auto DATA = NFsUtils::readFileAsString(PATH);
+
+        if (!DATA)
+            continue;
+
+        size_t versionAt    = DATA->find("\nVersion: ");
+        size_t versionAtEnd = DATA->find("\n", versionAt + 11);
+
+        if (versionAt == std::string::npos)
+            continue;
+
+        versionAt += 10;
+
+        return DATA->substr(versionAt, versionAtEnd == std::string::npos ? std::string::npos : versionAtEnd - versionAt);
+    }
+    return "unknown";
+}
+
+std::string getBuiltSystemLibraryNames() {
+    std::string result = "Libraries:\n";
+    result += std::format("Hyprgraphics: built against {}, system has {}\n", HYPRGRAPHICS_VERSION, getSystemLibraryVersion("hyprgraphics"));
+    result += std::format("Hyprutils: built against {}, system has {}\n", HYPRUTILS_VERSION, getSystemLibraryVersion("hyprutils"));
+    result += std::format("Hyprcursor: built against {}, system has {}\n", HYPRCURSOR_VERSION, getSystemLibraryVersion("hyprcursor"));
+    result += std::format("Hyprlang: built against {}, system has {}\n", HYPRLANG_VERSION, getSystemLibraryVersion("hyprlang"));
+    result += std::format("Aquamarine: built against {}, system has {}\n", AQUAMARINE_VERSION, getSystemLibraryVersion("aquamarine"));
+    return result;
+}

src/helpers/MiscFunctions.hpp

@@ -43,6 +43,8 @@ bool                                    isNvidiaDriverVersionAtLeast(int thresho
 std::expected<std::string, std::string> binaryNameForWlClient(wl_client* client);
 std::expected<std::string, std::string> binaryNameForPid(pid_t pid);
 std::string                             deviceNameToInternalString(std::string in);
+std::string                             getSystemLibraryVersion(const std::string& name);
+std::string                             getBuiltSystemLibraryNames();
 
 template <typename... Args>
 [[deprecated("use std::format instead")]] std::string getFormat(std::format_string<Args...> fmt, Args&&... args) {