尝试在Jenkins CI上运行snapcraft时遇到多个烦人的问题。
今天看来snapcraft clean停了下来，问我这个问题：
Found kernel: /boot/vmlinuz-4.15.0-1067-kvm
A new version of /boot/grub/menu.lst is available, but the version installed currently has been locally modified.
1. install the package maintainer's version 4. show a side-by-side difference between the versions 7. start a new shell to examine the situation
2. keep the local version currently installed 5. show a 3-way difference between available versions
3. show the differences between the versions 6. do a 3-way merge between available versions (experimental)
What would you like to do about menu.lst?
这当然在CI中非常糟糕。对于每个存储库克隆，似乎所有这些事情又都以某种方式再次发生。
如何保证snapcraft clean在没有用户交互的情况下运行？