Package: zfs-initramfs
Version: 2.0.3-9
Severity: normal

Dear Maintainers,

This issue affects systems with root on ZFS and was initially reported against the OpenZFS documentation, see https://github.com/openzfs/openzfs-docs/issues/237.

ZFS initramfs script allows to put a "@" after the `root` parameter in Grub, so that the user can dynamically select which snapshot to boot from (see https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/Debian%20GNU%20Linux%20initrd%20documentation.html). However, I noticed two issues in the script:

- while the script indeed waits for user input, snapshots list and prompt are not displayed to the user
- the script does not check that the value given by the user is valid

Regards,
Yvan

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