feat: show Linux distribution information on startup (#1729)

lib/libimhex/include/hex/api/imhex_api.hpp

@@ -597,6 +597,16 @@ namespace hex {
              */
             std::string getArchitecture();
 
+
+            struct LinuxDistro {
+                std::string name;
+                std::string version;
+            };
+            /**
+             * @brief Gets information related to the Linux distribution, if running on Linux
+             */
+            std::optional<LinuxDistro> getLinuxDistro();
+
             /**
              * @brief Gets the current ImHex version
              * @return ImHex version

lib/libimhex/source/api/imhex_api.cpp

@@ -15,6 +15,8 @@
 #include <imgui.h>
 #include <imgui_internal.h>
 #include <set>
+#include <fstream>
+#include <algorithm>
 #include <GLFW/glfw3.h>
 
 #if defined(OS_WINDOWS)
@@ -742,6 +744,25 @@ namespace hex {
             #endif
         }
 
+        std::optional<LinuxDistro> getLinuxDistro() {
+            std::ifstream file("/etc/os-release");
+            std::string name;
+            std::string version;
+
+            std::string line;
+            while (std::getline(file, line)) {
+                if (line.find("PRETTY_NAME=") != std::string::npos) {
+                    name = line.substr(line.find("=") + 1);
+                    name.erase(std::remove(name.begin(), name.end(), '\"'), name.end());
+                } else if (line.find("VERSION_ID=") != std::string::npos) {
+                    version = line.substr(line.find("=") + 1);
+                    version.erase(std::remove(version.begin(), version.end(), '\"'), version.end());
+                }
+            }
+
+            return {{name, version}};
+        }
+
         std::string getImHexVersion(bool withBuildType) {
             #if defined IMHEX_VERSION
                 if (withBuildType) {

main/gui/source/main.cpp

@@ -43,6 +43,11 @@ int main(int argc, char **argv) {
     log::info("Welcome to ImHex {}!", ImHexApi::System::getImHexVersion());
     log::info("Compiled using commit {}@{}", ImHexApi::System::getCommitBranch(), ImHexApi::System::getCommitHash());
     log::info("Running on {} {} ({})", ImHexApi::System::getOSName(), ImHexApi::System::getOSVersion(), ImHexApi::System::getArchitecture());
+    #if defined(OS_LINUX)
+    auto distro = ImHexApi::System::getLinuxDistro().value();
+    log::info("Linux distribution: {}. Version: {}", distro.name, distro.version == "" ? "None" : distro.version);
+    #endif
+
 
     // Run ImHex
     return init::runImHex();