URL:
<https://savannah.gnu.org/bugs/?59000>
Summary: regexp sees parse-string "-x" as a parameter!
Project: GNU GRUB
Submitted by: goverp
Submitted on: Sun 23 Aug 2020 08:00:07 PM UTC
Category: Booting
Severity: Major
Priority: 5 - Normal
Item Group: Software Error
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Release:
Release: 2.02
Discussion Lock: Any
Reproducibility: Every Time
Planned Release: None
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Details:
Actually, my Gentoo arm64 system says it's sys-boot/grub-2.04-r1, but your
release spinbutton doesn't go that far.
EFI boot system, 64-bit i686 hardware.
in a grub.cfg script:
foo="-gentoo"
regexp --set=1:bah '^(.*)$' "$foo"
should succeed and set bah to '-gentoo'.
In fact it fails and says '-gentoo' is an invalid option.
(I'm doing this because I wanted to sort kernel images named
/boot/vmlinuz-5.8.1-gentoo.new
by version number, and thus need to compare in stages, either by collating
sequence for non-numeric parts, and numeric comparison for numbers; the
parsing loop fails cos the last nonnumeric part is "-gentoo".
Actually, as well as fixing this bug, which produces very hard-to-debug
results, if you could add some "sort" parameters to the ls module (by date and
version, optionally reversed, that would save a load of code.)
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