/// <summary>
/// 删除原始安装文件
/// </summary>
bool DeletePreviousFile(RunworkEventArgs e)
{
if (this.UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.None)
{
return(true);
}
e.PostEvent(OnDeleteFileStart);
var bakPath = RollbackPath;
var rules = UpdateInfo.GetDeleteFileLimitRuleSet();
//找到所有文件
var allOldFiles = System.IO.Directory.GetFiles(ApplicationRoot, "*.*", System.IO.SearchOption.AllDirectories);
//备份
var index = 0;
foreach (var file in allOldFiles)
{
var rPath = file.Remove(0, ApplicationRoot.Length).TrimEnd('\\');
//保留的文件
if (PreservedFiles.ContainsKey(rPath))
{
Trace.TraceInformation("文件 {0} 在保持文件列表中，跳过删除", file);
continue;
}
var dPath = System.IO.Path.Combine(bakPath, rPath);
if ((UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.AllExceptSpecified && rules.FindIndex(s => s.IsMatch(rPath)) == -1)
||
(UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.NoneButSpecified && rules.FindIndex(s => s.IsMatch(rPath)) != -1)
)
{
e.PostEvent(() => OnDeleteFile(new InstallFileEventArgs(file, dPath, allOldFiles.Length, ++index)));
try
{
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(dPath));
Trace.TraceInformation("备份并删除文件: {0} -> {1}", file, dPath);
System.IO.File.Copy(file, dPath);
System.IO.File.Delete(file);
bakList.Add(rPath);
}
catch (Exception ex)
{
this.Exception = ex;
Trace.TraceWarning("删除失败：" + ex.Message);
return(false);
}
}
}
e.PostEvent(OnDeleteFileFinished);
return(true);
}
/// <summary>
/// 删除原始安装文件
/// </summary>
bool DeletePreviousFile(RunworkEventArgs e)
{
if (UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.None)
{
return(true);
}
e.PostEvent(OnDeleteFileStart);
var bakPath = RollbackPath;
var rules = UpdateInfo.GetDeleteFileLimitRuleSet();
//找到所有文件
var allOldFiles = Directory.GetFiles(ApplicationRoot, "*.*", SearchOption.AllDirectories);
//备份
var index = 0;
foreach (var file in allOldFiles)
{
e.ReportProgress(allOldFiles.Length, ++index, file);
var rPath = file.Remove(0, ApplicationRoot.Length).TrimEnd('\\');
//保留的文件
if (PreservedFiles.ContainsKey(rPath))
{
_logger.LogInformation($"File '{file}' not touched as it was in reserve list.");
continue;
}
var dPath = Path.Combine(bakPath, rPath);
if ((UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.AllExceptSpecified && rules.FindIndex(s => s.IsMatch(rPath)) == -1)
||
(UpdateInfo.DeleteMethod == DeletePreviousProgramMethod.NoneButSpecified && rules.FindIndex(s => s.IsMatch(rPath)) != -1)
)
{
e.PostEvent(() => OnDeleteFile(new InstallFileEventArgs(file, dPath, allOldFiles.Length, index, rPath)));
Directory.CreateDirectory(Path.GetDirectoryName(dPath));
_logger.LogInformation($"Backup and remove file: '{file}' -> '{dPath}'");
File.Copy(file, dPath);
var tryCount = 0;
while (true)
{
++tryCount;
try
{
File.Delete(file);
break;
}
catch (Exception ex)
{
Exception = ex;
_logger.LogError($"No.{tryCount} attempt to remove file failed: {ex.Message}", ex);
}
//如果删除失败，则等待1秒后重试
if (tryCount < 10)
{
Thread.Sleep(1000);
}
else
{
return(false);
}
}
_bakList.Add(rPath);
}
}
e.PostEvent(OnDeleteFileFinished);
return(true);
}
