[Merge] lp:~broder/ubuntu/natty/grub2/no-if-in-menuentry into lp:~ubuntu-core-dev/ubuntu/natty/grub2/natty

[Evan Broder]

Evan Broder has proposed merging lp:~broder/ubuntu/natty/grub2/no-if-in-menuentry into lp:~ubuntu-core-dev/ubuntu/natty/grub2/natty.

Requested reviews:
  Colin Watson (cjwatson)


Older versions of GRUB [1] don't allow for if statements within menuentry blocks. They throw an error when they encounter one. If you don't have the grub-pc/install_devices debconf field set (such that GRUB isn't re-installed when it's upgraded), this can lead to an unbootable system when combined with the recent gfxpayload changes.

While you certainly *shouldn't* have grub-pc/install_devices set in the first place, it's easy to make our configuration resilient to this possibility.

[1] Definitely 1.98-1ubuntu1, which I realize is crazy ancient. Don't know when the feature was added.
-- 
https://code.launchpad.net/~broder/ubuntu/natty/grub2/no-if-in-menuentry/+merge/42075
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