spectre.console/examples/Cli/Logging/Infrastructure/LogInterceptor.cs

using Logging.Commands;
using Serilog.Core;
using Spectre.Console.Cli;

namespace Logging
{
    public class LogInterceptor : ICommandInterceptor
    {
        public static readonly LoggingLevelSwitch LogLevel = new();

        public void Intercept(CommandContext context, CommandSettings settings)
        {
            if (settings is LogCommandSettings logSettings)
            {
                LoggingEnricher.Path = logSettings.LogFile ?? "application.log";
                LogLevel.MinimumLevel = logSettings.LogLevel;
            }
        }
    }
}