public static int Main(string[] args)
{
CommandLineApplication app = new CommandLineApplication();
CommandOption includes = app.Option("-i|--include", "Include items matching the pattern", CommandOptionType.MultipleValue);
CommandOption excludes = app.Option("-x|--exclude", "Exclude items matching the pattern", CommandOptionType.MultipleValue);
CommandOption rateLimit = app.Option("-r|--rate-limit", "The minimum number of milliseconds that must pass between processing dirty or include events", CommandOptionType.SingleValue);
CommandOption help = app.Option("-h|--help", "Shows help", CommandOptionType.NoValue);
CommandArgument run = app.Argument("run", "The task to run when an included file changes");
CommandArgument arguments = app.Argument("arguments", "The task to run when an included file changes");
app.OnExecute(async() =>
{
if (help.HasValue())
{
app.ShowHelp();
return(0);
}
int limit = int.Parse(rateLimit.Value() ?? "250");
string currentDir = Directory.GetCurrentDirectory();
Watcher <GlobbingPattern> watcher = await Watcher <GlobbingPattern> .For(currentDir).ConfigureAwait(false);
Task currentTask = null;
using (watcher)
{
foreach (string value in includes.Values)
{
watcher.AddPattern(EntryKind.Include, new GlobbingPattern(value));
}
foreach (string value in excludes.Values)
{
watcher.AddPattern(EntryKind.Exclude, new GlobbingPattern(value));
}
while (!watcher.Ready.IsCompleted)
{
await watcher.Ready;
}
watcher.Dirty += (sender, e) =>
{
Task t = null;
t = Task.Run(async() =>
{
await Task.Delay(limit);
if (currentTask == t)
{
CommandResult execResult = Command.Create(new CommandSpec(run.Value, arguments.Value, CommandResolutionStrategy.Path)).ForwardStdErr().ForwardStdOut().Execute();
if (execResult.ExitCode != 0)
{
Console.WriteLine($"{run.Value} {arguments.Value} exited with code {execResult.ExitCode}".Red().Bold());
}
watcher.Clean();
}
});
currentTask = t;
};
watcher.FilteredEntriesChanged += (sender, e) =>
{
Task t = null;
t = Task.Run(async() =>
{
await Task.Delay(limit);
if (currentTask == t)
{
CommandResult execResult = Command.Create(new CommandSpec(run.Value, arguments.Value, CommandResolutionStrategy.Path)).ForwardStdErr().ForwardStdOut().Execute();
if (execResult.ExitCode != 0)
{
Console.WriteLine($"{run.Value} {arguments.Value} exited with code {execResult.ExitCode}".Red().Bold());
}
watcher.Clean();
}
});
currentTask = t;
};
Console.WriteLine($"Now watching for changes in {currentDir}");
Console.WriteLine("Press [Enter] to stop...");
Console.ReadLine();
}
return(0);
});
int result;
try
{
result = app.Execute(args);
}
catch (Exception ex)
{
AggregateException ax = ex as AggregateException;
while (ax != null && ax.InnerExceptions.Count == 1)
{
ex = ax.InnerException;
ax = ex as AggregateException;
}
Reporter.Error.WriteLine(ex.Message.Bold().Red());
while (ex.InnerException != null)
{
ex = ex.InnerException;
ax = ex as AggregateException;
while (ax != null && ax.InnerExceptions.Count == 1)
{
ex = ax.InnerException;
ax = ex as AggregateException;
}
Reporter.Error.WriteLine(ex.Message.Bold().Red());
}
Reporter.Error.WriteLine(ex.StackTrace.Bold().Red());
result = 1;
}
return(result);
}