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using System; |
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using System.Collections.Generic; |
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using System.Collections.Specialized; |
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using System.IO; |
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using System.Linq; |
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using System.Text; |
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namespace IllusionInjector.Updating.Backup |
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{ |
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/// <summary>
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/// A unit for backup. WIP.
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/// </summary>
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internal class BackupUnit |
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{ |
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public string Name { get; private set; } |
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private DirectoryInfo _BackupPath; |
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private List<string> _Files = new List<string>(); |
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public BackupUnit(string backupPath) : this(backupPath, DateTime.Now.ToString("yyyy-MM-dd_h-mm-ss")) |
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{ |
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} |
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public BackupUnit(string backupPath, string name) |
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{ |
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Name = name; |
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_BackupPath = new DirectoryInfo(Path.Combine(backupPath, Name)); |
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} |
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public static BackupUnit FromDirectory(DirectoryInfo directory, string backupPath) |
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{ |
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var unit = new BackupUnit(backupPath, directory.Name); |
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// Parse directory
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foreach(var file in directory.GetFiles("*", SearchOption.AllDirectories)) { |
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var relativePath = file.FullName.Substring(directory.FullName.Length + 1); |
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unit._Files.Add(relativePath); |
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} |
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return unit; |
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} |
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public void Add(string file) |
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{ |
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Add(new FileInfo(file)); |
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} |
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internal void Delete() |
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{ |
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_BackupPath.Delete(true); |
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} |
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/// <summary>
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/// Adds a file to the list of changed files and backups it.
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/// </summary>
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/// <param name="path"></param>
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public void Add(FileInfo file) |
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{ |
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/*if(!file.FullName.StartsWith(_Context.ProjectRoot)) |
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{ |
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Console.Error.WriteLine("Invalid file path for backup! {0}", file); |
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return; |
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}*/ |
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var relativePath = new Uri(Environment.CurrentDirectory, UriKind.Absolute).MakeRelativeUri(new Uri(file.FullName)).ToString();//file.FullName.Substring(_Context.ProjectRoot.Length + 1);
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var backupPath = new FileInfo(Path.Combine(_BackupPath.FullName, relativePath)); |
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if(_Files.Contains(relativePath)) |
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{ |
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Console.WriteLine("Skipping backup of {0}", relativePath); |
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return; |
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} |
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// Copy over
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backupPath.Directory.Create(); |
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if (file.Exists) |
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{ |
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file.CopyTo(backupPath.FullName); |
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} else |
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{ |
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// Make empty file
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backupPath.Create().Close(); |
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} |
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// Add to list
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_Files.Add(relativePath); |
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} |
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/// <summary>
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/// Reverts the changes made in this unit.
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/// </summary>
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public void Restore() |
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{ |
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foreach(var relativePath in _Files) |
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{ |
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Console.WriteLine("Restoring {0}", relativePath); |
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// Original version
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var backupFile = new FileInfo(Path.Combine(_BackupPath.FullName, relativePath)); |
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var target = new FileInfo(Path.Combine(Environment.CurrentDirectory, relativePath)); |
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if (backupFile.Exists) |
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{ |
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if (backupFile.Length > 0) |
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{ |
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Console.WriteLine(" {0} => {1}", backupFile.FullName, target.FullName); |
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target.Directory.Create(); |
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backupFile.CopyTo(target.FullName, true); |
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} else |
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{ |
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Console.WriteLine(" x {0}", target.FullName); |
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if(target.Exists) |
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{ |
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target.Delete(); |
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} |
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} |
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} else { |
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Console.Error.WriteLine("Backup not found!"); |
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} |
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} |
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} |
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} |
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} |