static async Task <int> Main(string[] args)
{
var app = new CommandLineApplication
{
Name = "SmartBackup",
Description = "A simple and secure backup tool"
};
app.HelpOption(inherited: true);
app.Command("backup", backupCmd =>
{
backupCmd.Description = "Create a backup of specified directory";
var sourceDirOption = backupCmd
.Option("-s|--source-dir <PATH>", "Source directory to create backup", CommandOptionType.MultipleValue)
.IsRequired()
.Accepts(v => v.ExistingDirectory());
var targetDirOption = backupCmd
.Option("-t|--target-dir <PATH>", "Target directory to put backup", CommandOptionType.SingleValue)
.IsRequired()
.Accepts(v => v.LegalFilePath());
var passwordOption = backupCmd
.Option("-p|--password <PASSWORD>", "Password to encrypt backup files", CommandOptionType.SingleValue);
var maxBackupSetsOption = backupCmd
.Option <int>("-m|--max-backup <COUNT>", "Keep max backup sets and delete the oldest ones", CommandOptionType.SingleValue)
.Accepts(v => v.Range(0, 1000));
backupCmd.OnExecuteAsync((cancellationToken) =>
{
var param = new BackupParam(sourceDirOption.Values, targetDirOption.Value(), passwordOption.Value(), maxBackupSetsOption.ParsedValue);
return(RunHostAsync <BackupCommand, BackupParam>(args, param, cancellationToken));
});
});
app.VersionOption("-v|--version", typeof(Program).Assembly.GetCustomAttribute <AssemblyInformationalVersionAttribute>().InformationalVersion);
app.OnExecute(() =>
{
app.Error.WriteLine("Specify a subcommand");
app.ShowHelp();
return(1);
});
try
{
return(await app.ExecuteAsync(args));
}
catch (CommandParsingException ex)
{
app.Error.WriteLine(ex.Message);
return(-1);
}
}
public BackupCommand(
IHostApplicationLifetime hostApplicationLifetime,
ILogger <BackupCommand> logger,
SHA256Generator hashGenerator,
BackupParam backupParam,
RecursiveFileEnumerator recursiveFileEnumerator,
SevenZipCli sevenZipCli,
IFileSystem fileSystem)
{
_hostApplicationLifetime = hostApplicationLifetime;
_logger = logger;
_hashGenerator = hashGenerator;
_backupParam = backupParam;
_recursiveFileEnumerator = recursiveFileEnumerator;
_sevenZipCli = sevenZipCli;
_fileSystem = fileSystem;
}
