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69 lines
2.0 KiB
69 lines
2.0 KiB
using System;
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using System.Collections.Generic;
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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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using System.Text.RegularExpressions;
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namespace IPA.Patcher
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{
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public class BackupManager
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{
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public static BackupUnit FindLatestBackup(PatchContext context)
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{
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return new DirectoryInfo(context.BackupPath)
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.GetDirectories()
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.OrderByDescending(p => p.Name)
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.Select(p => BackupUnit.FromDirectory(p, context))
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.FirstOrDefault();
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}
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public static bool HasBackup(PatchContext context)
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{
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return FindLatestBackup(context) != null;
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}
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public static bool Restore(PatchContext context)
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{
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var backup = FindLatestBackup(context);
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if(backup != null)
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{
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backup.Restore();
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backup.Delete();
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DeleteEmptyDirs(context.ProjectRoot);
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return true;
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}
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return false;
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}
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public static void DeleteEmptyDirs(string dir)
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{
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if (string.IsNullOrEmpty(dir))
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throw new ArgumentException(
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"Starting directory is a null reference or an empty string",
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"dir");
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try
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{
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foreach (var d in Directory.EnumerateDirectories(dir))
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{
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DeleteEmptyDirs(d);
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}
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var entries = Directory.EnumerateFileSystemEntries(dir);
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if (!entries.Any())
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{
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try
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{
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Directory.Delete(dir);
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}
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catch (UnauthorizedAccessException) { }
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catch (DirectoryNotFoundException) { }
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}
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}
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catch (UnauthorizedAccessException) { }
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}
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}
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}
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