[bug #48228] grub-mkconfig assumes grub-probe will only produce 1 line of output, breaks with mirrored zfs volumes

[Marcel Sackermann]

Follow-up Comment #7, bug #48228 (project grub):

This is an issue for btrfs volumes with multiple devices aswell.

# grub-probe --target=device /

will give two lines of output:
/dev/mapper/vg0-root
/dev/mapper/vg0-root1

which causes grub-mkconfig to output a linebreak in the kernel cmdline
aswell.
In case of btrfs, it's sufficient to trim the $GRUB_DEVICE after the first
blank, don't know about zfs though.

Latest git (cda0a857dd7a27cd5d621747464bfe71e8727fff) does not fix this issue.

(file #44263)
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File name: mkconfig-out                   Size:71 KB


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