damianedwards/devbench/add-system-info

// In CollectSystemInfo()
systemInfo.NewProperty = GetNewProperty();
 
// Add helper method
static string GetNewProperty()
{
    // Implementation that works on all platforms
    return "value";
}

#if WINDOWS
    systemInfo.PlatformSpecific.WindowsProperty = GetWindowsProperty();
#elif MACOS
    systemInfo.PlatformSpecific.MacProperty = GetMacProperty();
#elif LINUX
    systemInfo.PlatformSpecific.LinuxProperty = GetLinuxProperty();
#endif

static string RunCommand(string command, string args)
{
    var psi = new ProcessStartInfo(command, args)
    {
        RedirectStandardOutput = true,
        UseShellExecute = false,
        CreateNoWindow = true
    };
    using var process = Process.Start(psi);
    return process?.StandardOutput.ReadToEnd().Trim() ?? "";
}

#if WINDOWS
static string GetWmiValue(string className, string propertyName)
{
    // Use System.Management or PowerShell
    var output = RunCommand("powershell", 
        $"-Command \"(Get-CimInstance {className}).{propertyName}\"");
    return output;
}
#endif

#if MACOS
static string GetMacSystemInfo(string dataType)
{
    return RunCommand("system_profiler", $"{dataType} -json");
}
#endif

#if LINUX
static string ReadProcFile(string path)
{
    return File.Exists(path) ? File.ReadAllText(path).Trim() : "";
}
#endif

dotnet run src/DevBench.cs -- --system-info-only