In the last half-hour of the movie the plot rapidly self-destructs.

在电影的最后半个小时里，故事情节迅速了结。

The system then continually cycles the tool until it self-destructs.

然后，系统不断循环此工具，直到它自我毁坏。

This acts as a backup in case your workstation self-destructs, and it lets other developers update their local copies to include your changes.

在您的工作站崩溃时，它可以作为一个备份，并允许其他开发人员更新其本地副本以包含您的变更。