Files
duplicati/Duplicati/CommandLine/Program.cs
T

339 lines
16 KiB
C#

#region Disclaimer / License
// Copyright (C) 2011, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
namespace Duplicati.CommandLine
{
class Program
{
private class FilterCollector
{
private List<Library.Utility.IFilter> m_filters = new List<Library.Utility.IFilter>();
private Library.Utility.IFilter Filter
{
get
{
if (m_filters.Count == 0)
return new Library.Utility.FilterExpression();
else if (m_filters.Count == 1)
return m_filters[0];
else
return m_filters.Aggregate((a,b) => Library.Utility.JoinedFilterExpression.Join(a, b));
}
}
private Dictionary<string, string> DoExtractOptions(List<string> args, Func<string, string, bool> callbackHandler = null)
{
return Library.Utility.CommandLineParser.ExtractOptions(args, (key, value) => {
if (key.Equals("include", StringComparison.InvariantCultureIgnoreCase))
{
m_filters.Add(new Library.Utility.FilterExpression(value, true));
return false;
}
else if (key.Equals("exclude", StringComparison.InvariantCultureIgnoreCase))
{
m_filters.Add(new Library.Utility.FilterExpression(value, false));
return false;
}
if (callbackHandler != null)
return callbackHandler(key, value);
return true;
});
}
public static Tuple<Dictionary<string, string>, Library.Utility.IFilter> ExtractOptions(List<string> args, Func<string, string, bool> callbackHandler = null)
{
var fc = new FilterCollector();
var opts = fc.DoExtractOptions(args, callbackHandler);
return new Tuple<Dictionary<string, string>, Library.Utility.IFilter>(opts, fc.Filter);
}
}
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
public static int Main(string[] args)
{
return Duplicati.Library.AutoUpdater.UpdaterManager.RunFromMostRecent(typeof(Program).GetMethod("RealMain"), args);
}
public static int RealMain(string[] args)
{
bool verboseErrors = false;
bool verbose = false;
try
{
List<string> cargs = new List<string>(args);
var tmpparsed = FilterCollector.ExtractOptions(cargs);
var options = tmpparsed.Item1;
var filter = tmpparsed.Item2;
verboseErrors = Library.Utility.Utility.ParseBoolOption(options, "debug-output");
verbose = Library.Utility.Utility.ParseBoolOption(options, "verbose");
//If we are on Windows, append the bundled "win-tools" programs to the search path
//We add it last, to allow the user to override with other versions
if (!Library.Utility.Utility.IsClientLinux)
{
string wintools = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "win-tools");
Environment.SetEnvironmentVariable("PATH",
Environment.GetEnvironmentVariable("PATH") +
System.IO.Path.PathSeparator.ToString() +
wintools +
System.IO.Path.PathSeparator.ToString() +
System.IO.Path.Combine(wintools, "gpg") //GPG needs to be in a subfolder for wrapping reasons
);
}
#if DEBUG
if (cargs.Count > 1 && cargs[0].ToLower() == "unittest")
{
//The unit test is only enabled in DEBUG builds
//it works by getting a list of folders, and treats them as
//if they have the same data, but on different times
//The first folder is used to make a full backup,
//and each subsequent folder is used to make an incremental backup
//After all backups are made, the files are restored and verified against
//the original folders.
//The best way to test it, is to use SVN checkouts at different
//revisions, as this is how a regular folder would evolve
cargs.RemoveAt(0);
UnitTest.RunTest(cargs.ToArray(), options);
return 0;
}
#endif
if (cargs.Count == 1 && string.Equals(cargs[0], "changelog", StringComparison.InvariantCultureIgnoreCase))
{
var path = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "changelog.txt");
Console.WriteLine(System.IO.File.ReadAllText(path));
return 0;
}
foreach (string internaloption in Library.Main.Options.InternalOptions)
if (options.ContainsKey(internaloption))
{
Console.WriteLine(Strings.Program.InternalOptionUsedError, internaloption);
return 200;
}
// Probe for "help" to avoid extra processing
bool isHelp = cargs.Count == 0 || (cargs.Count >= 1 && string.Equals(cargs[0], "help", StringComparison.InvariantCultureIgnoreCase));
if (!isHelp && ((options.ContainsKey("parameters-file") && !string.IsNullOrEmpty("parameters-file")) || (options.ContainsKey("parameter-file") && !string.IsNullOrEmpty("parameter-file")) || (options.ContainsKey("parameterfile") && !string.IsNullOrEmpty("parameterfile"))))
{
string filename;
if (options.ContainsKey("parameters-file") && !string.IsNullOrEmpty("parameters-file"))
{
filename = options["parameters-file"];
options.Remove("parameters-file");
}
else
{
filename = options["parameter-file"];
options.Remove("parameter-file");
}
if (!ReadOptionsFromFile(filename, ref filter, cargs, options))
return 100;
}
string command;
if (cargs.Count > 0)
{
command = cargs[0];
cargs.RemoveAt(0);
}
else
command = "help";
// Update probe for help
isHelp = string.Equals(command, "help", StringComparison.InvariantCultureIgnoreCase);
// Skip the env read if the command is help, otherwise we may report weirdness
if (!isHelp)
{
if (!options.ContainsKey("passphrase"))
if (!string.IsNullOrEmpty(System.Environment.GetEnvironmentVariable("PASSPHRASE")))
options["passphrase"] = System.Environment.GetEnvironmentVariable("PASSPHRASE");
if (!options.ContainsKey("auth-password"))
if (!string.IsNullOrEmpty(System.Environment.GetEnvironmentVariable("AUTH_PASSWORD")))
options["auth-password"] = System.Environment.GetEnvironmentVariable("AUTH_PASSWORD");
if (!options.ContainsKey("auth-username"))
if (!string.IsNullOrEmpty(System.Environment.GetEnvironmentVariable("AUTH_USERNAME")))
options["auth-username"] = System.Environment.GetEnvironmentVariable("AUTH_USERNAME");
}
var knownCommands = new Dictionary<string, Func<List<string>, Dictionary<string, string>, Library.Utility.IFilter, int>>(StringComparer.InvariantCultureIgnoreCase);
knownCommands["help"] = Commands.Help;
knownCommands["find"] = Commands.List;
knownCommands["list"] = Commands.List;
knownCommands["delete"] = Commands.Delete;
knownCommands["backup"] = Commands.Backup;
knownCommands["restore"] = Commands.Restore;
knownCommands["repair"] = Commands.Repair;
knownCommands["compact"] = Commands.Compact;
knownCommands["create-report"] = Commands.CreateBugReport;
knownCommands["compare"] = Commands.ListChanges;
knownCommands["test"] = Commands.Test;
knownCommands["verify"] = Commands.Test;
knownCommands["test-filters"] = Commands.TestFilters;
if (!isHelp && verbose)
{
Console.WriteLine("Input command: {0}", command);
Console.WriteLine("Input arguments: ");
foreach(var a in cargs)
Console.WriteLine("\t{0}", a);
Console.WriteLine();
Console.WriteLine("Input options: ");
foreach(var n in options)
Console.WriteLine("{0}: {1}", n.Key, n.Value);
Console.WriteLine();
}
if (knownCommands.ContainsKey(command))
{
return knownCommands[command](cargs, options, filter);
}
else
{
Commands.PrintInvalidCommand(command, cargs);
return 200;
}
}
catch (Exception ex)
{
while (ex is System.Reflection.TargetInvocationException && ex.InnerException != null)
ex = ex.InnerException;
if (!(ex is Library.Interface.CancelException))
{
if (!string.IsNullOrEmpty(ex.Message))
{
Console.Error.WriteLine();
Console.Error.WriteLine(verboseErrors ? ex.ToString() : ex.Message);
}
}
else
{
Console.Error.WriteLine(Strings.Program.UnhandledException, ex.ToString());
while (ex.InnerException != null)
{
ex = ex.InnerException;
Console.Error.WriteLine();
Console.Error.WriteLine(Strings.Program.UnhandledInnerException, ex.ToString());
}
}
//Error = 100
return 100;
}
}
public static IList<Library.Interface.ICommandLineArgument> SupportedCommands
{
get
{
return new List<Library.Interface.ICommandLineArgument>(new Library.Interface.ICommandLineArgument[] {
new Library.Interface.CommandLineArgument("parameters-file", Library.Interface.CommandLineArgument.ArgumentType.Path, Strings.Program.ParametersFileOptionShort, Strings.Program.ParametersFileOptionLong, "", new string[] {"parameter-file", "parameterfile"}),
new Library.Interface.CommandLineArgument("include", Library.Interface.CommandLineArgument.ArgumentType.String, Strings.Program.IncludeShort, Strings.Program.IncludeLong),
new Library.Interface.CommandLineArgument("exclude", Library.Interface.CommandLineArgument.ArgumentType.String, Strings.Program.ExcludeShort, Strings.Program.ExcludeLong),
new Library.Interface.CommandLineArgument("control-files", Library.Interface.CommandLineArgument.ArgumentType.Boolean, Strings.Program.ControlFilesOptionShort, Strings.Program.ControlFilesOptionLong, "false"),
new Library.Interface.CommandLineArgument("quiet-console", Library.Interface.CommandLineArgument.ArgumentType.Boolean, Strings.Program.QuietConsoleOptionShort, Strings.Program.QuietConsoleOptionLong, "false"),
});
}
}
private static bool ReadOptionsFromFile(string filename, ref Library.Utility.IFilter filter, List<string> cargs, Dictionary<string, string> options)
{
try
{
List<string> fargs = new List<string>(Library.Utility.Utility.ReadFileWithDefaultEncoding(filename).Replace("\r", "").Split(new String[] { "\n" }, StringSplitOptions.RemoveEmptyEntries));
var newsource = new List<string>();
string newtarget = null;
var tmpparsed = FilterCollector.ExtractOptions(fargs, (key, value) => {
if (key.Equals("source", StringComparison.InvariantCultureIgnoreCase))
{
newsource.Add(value);
return false;
}
else if (key.Equals("target", StringComparison.InvariantCultureIgnoreCase))
{
newtarget = value;
return false;
}
return true;
});
var opt = tmpparsed.Item1;
var newfilter = tmpparsed.Item2;
// If the user specifies parameters-file, all filters must be in the file.
// Allowing to specify some filters on the command line could result in wrong filter ordering
if (!filter.Empty && !newfilter.Empty)
throw new Exception(Strings.Program.FiltersCannotBeUsedWithFileError);
if (!newfilter.Empty)
filter = newfilter;
foreach (KeyValuePair<String, String> keyvalue in opt)
options[keyvalue.Key] = keyvalue.Value;
if (!string.IsNullOrEmpty(newtarget))
{
if (cargs.Count <= 1)
cargs.Add(newtarget);
else
cargs[1] = newtarget;
}
cargs.AddRange(newsource);
return true;
}
catch (Exception e)
{
Console.WriteLine(Strings.Program.FailedToParseParametersFileError, filename, e.Message);
return false;
}
}
}
}