/// <summary>
/// This does the moving of files and log alteration.
/// </summary>
/// <returns>
/// <lang langref="true" /> if the script work was completed successfully and needs to
/// be committed; <lang langref="false" /> otherwise.
/// </returns>
/// <exception cref="InvalidOperationException">
/// Thrown if m_strFile or m_lstOrderedMods are
/// <lang langref="null" />.
/// </exception>
/// <seealso cref="ModInstallScript.DoScript" />
protected override bool DoScript()
{
if ((m_strFile == null) || (m_lstOrderedMods == null))
{
throw new InvalidOperationException(
"The File and OrderedMods properties must be set before calling Run(); or Run(string, IList<string>) can be used instead.");
}
TransactionalFileManager.Snapshot(InstallLog.Current.InstallLogPath);
var strOldOwner = InstallLog.Current.GetCurrentFileOwnerKey(m_strFile);
InstallLog.Current.SetInstallingModsOrder(m_strFile, m_lstOrderedMods);
var strNewOwner = InstallLog.Current.GetCurrentFileOwnerKey(m_strFile);
if (!strNewOwner.Equals(strOldOwner))
{
var strDataPath = Path.Combine(Program.GameMode.PluginsPath, m_strFile);
strDataPath = Directory.GetFiles(Path.GetDirectoryName(strDataPath), Path.GetFileName(strDataPath))[0];
var strDirectory = Path.GetDirectoryName(m_strFile);
var strBackupPath = Path.Combine(Program.GameMode.OverwriteDirectory, strDirectory);
//the old backup file is becoming the new file
var strOldBackupFile = strNewOwner + "_" + Path.GetFileName(strDataPath);
//the old owner is becoming the new backup file
var strNewBackupFile = strOldOwner + "_" + Path.GetFileName(strDataPath);
var strNewBackupPath = Path.Combine(strBackupPath, strNewBackupFile);
var strOldBackupPath = Path.Combine(strBackupPath, strOldBackupFile);
if (!TransactionalFileManager.FileExists(strOldBackupPath))
{
m_strFailMessage = "The version of the file for " + InstallLog.Current.GetModName(strNewOwner) +
" does not exist. This is likely because files in the data folder have been altered manually.";
return(false);
}
TransactionalFileManager.Copy(strDataPath, strNewBackupPath, true);
var strOldBackupFileName = Path.GetFileName(Directory.GetFiles(strBackupPath, strOldBackupFile)[0]);
var strCasedFileName = strOldBackupFileName.Substring(strOldBackupFileName.IndexOf('_') + 1);
var strNewDataPath = Path.Combine(Path.GetDirectoryName(strDataPath), strCasedFileName);
TransactionalFileManager.Delete(strNewDataPath);
TransactionalFileManager.Move(strOldBackupPath, strNewDataPath);
}
return(true);
}