[Bug 1875166] Re: grub-efi-amd64.postinst not running grub-install when GRUB_DISTRIBUTOR changed

[Tony Middleton]

This seems to have been fixed for 20.04.

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https://bugs.launchpad.net/bugs/1875166

Title:
  grub-efi-amd64.postinst not running grub-install when GRUB_DISTRIBUTOR
  changed

Status in grub2 package in Ubuntu:
  New

Bug description:
  I wished to change the label of the EFI entry created by grub-install.
  I did this by amending the GRUB_DISTRIBUTOR entry in
  /etc/default/grub.

  I then ran "dpkg-reconfigure grub-efi-amd64" expecting this to create
  a folder in /boot/efi/EFI and create an EFI entry under the new label.
  However it appeared that grub-install was not run at all.

  After some investigation it appears that the .postinst script will not
  run grub-install unless a folder already exists in /boot/efi/EFI/ with
  the same name as the new GRUB_DISTRIBUTOR value.  When I created an
  empty folder with the new name and reran dpkg-reconfigure everything
  ran fine.

  I'm not suggesting a code change but perhaps a comment to this effect
  in /etc/default/grub.

  This was running in an up-to-date version of Kubuntu 18.04.

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