Bug#640334 ([kfreebsd] dash: faccessat implementation of "test -x" always returns true for user root) makes update-grub fail

[Axel Beckert <abe@debian.org>]

affects 640334 + grub-common
kthxbye

Hi,

I just ran into this issue with update-grub, too:

[...]
/usr/sbin/grub-mkconfig: 291: /usr/sbin/grub-mkconfig: /etc/grub.d/README: Permission denied

There runs a "test -x /etc/grub.d/README" just before that problem
happens and /usr/sbin/grub-mkconfig is a /bin/sh script.

This is related to https://bugs.launchpad.net/bugs/537123 (update-grub
fails if /etc/grub.d/README executable bit set) which seems to either
not fixed or showed up again as a regression (see comment #4). That
issue is also present in Debian Sid. It just showed up on kfreebsd
because of "test -x" failing to report executable bits properly.

Colin: Yeah, that's how I stumbled upon the fact that LP: 537123 is
not fixed or has a regression. :-)

		Regards, Axel
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