On Fri, Jan 17, 2020 at 05:10:43PM +0100, Javier Martinez Canillas wrote: > From: Peter Jones <pjo...@redhat.com> > > The grub-editenv create command will wrongly overwrite /boot/grub2/grubenv > with a regular file if grubenv is a symbolic link. But instead, it should > create a new file in the path the symlink points to. > > This lets /boot/grub2/grubenv be a symlink to /boot/efi/EFI/fedora/grubenv > even when they're different mount points, which allows grub2-editenv to be > the same across platforms (i.e. UEFI vs BIOS). > > For example, in Fedora the GRUB EFI builds have prefix set to /EFI/fedora > (on the EFI System Partition), but for BIOS machine it'll be /boot/grub2 > (which may or may not be its own mountpoint). > > With this patch, on EFI machines we can make /boot/grub2/grubenv a symlink > to /boot/efi/EFI/fedora/grubenv, and the same copy of grub-set-default will > work on both kinds of systems. > > Windows doesn't implement a readlink primitive, so the current behaviour is > maintained for this operating system. > > Signed-off-by: Peter Jones <pjo...@redhat.com> > Signed-off-by: Jonathan Lebon <jle...@redhat.com> > Reviewed-by: Adam Jackson <a...@redhat.com> > Signed-off-by: Javier Martinez Canillas <javi...@redhat.com>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com> Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
