Re: [PATCH 0/2] Allow editenv to follow symlinks to find/make grubenv

[Andrei Borzenkov]

В Thu,  4 Sep 2014 11:36:53 -0400
Peter Jones <address@hidden> пишет:

> Hi,
> This is a patch series to allow grub-editenv and related utilities to
> follow symbolic links when finding its config file.  This allows, for
> example, the ability to have two builds of grub for different platforms
> that have different prefixes set, but still use the same userland grub
> utilities.
> 
> For example, in our EFI builds we'll typically have prefix set as
> /EFI/fedora (on the EFI System Partition), but when you install on a BIOS
> machine it'll be /boot/grub2 (which may or may not be its own mountpoint.)
> 

This sounds more like misusing of ${prefix}. ${prefix} is supposed to
be target independent. Any target-dependent file is going into
${prefix}/${grub_cpu}-${grub_platform}. That allows to use the
same /boot/grub for any platform (and possibly make run-time
platform-specific decision).

> 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.
> 
> Note: I'm not entirely sure I've done the gnulib parts of the first patch
> the preferred way, but they do appear to be functional.  I wound up using
> "gnulib-tool --import --dir=. --lib=libgnu --source-base=grub-core/gnulib 
> --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux 
> --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files 
> argp error fnmatch getdelim getline gettext progname readlink regex"
> and then only adding in the parts directly related to readlink().
> 
> 
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/grub-devel