bug#68367: 30.0.50; etc-fstab-generic-mode is missing cgroup2

[Stephen Berman]

On Wed, 10 Jan 2024 16:26:21 +0100 Stephen Berman <stephen.berman@gmx.net> 
wrote:

> On Wed, 10 Jan 2024 06:55:30 -0800 Stefan Kangas <stefankangas@gmail.com> 
> wrote:
>
>> Stephen Berman via "Bug reports for GNU Emacs, the Swiss army knife of
>> text editors" <bug-gnu-emacs@gnu.org> writes:
>>
>>> My /etc/fstab file contains a line for the file system cgroup2 (i.e. for
>>> cgroup v2 instead of cgroup for cgroup v1).  I just learned about
>>> etc-fstab-generic-mode and after loading generic-x and visiting
>>> /etc/fstab, I saw that in the line for cgroup2, the entry in the type
>>> column is fontified in the default face, not in font-lock-keyword-face,
>>> unlike all other file system types in my /etc/fstab file.  This patch
>>> fixes the misfontification:
>>>
>>> diff --git a/lisp/generic-x.el b/lisp/generic-x.el
>>> index b4ae0225943..373bfad92dd 100644
>>> --- a/lisp/generic-x.el
>>> +++ b/lisp/generic-x.el
>>> @@ -1491,6 +1491,7 @@ etc-fstab-generic-mode
>>>      "cd9660"
>>>      "cfs"
>>>      "cgroup"
>>> +    "cgroup2"
>>>      "cifs"
>>>      "coda"
>>>      "coherent"
>>
>> Thanks, but could you please reformat this using `git format-patch -1`?
>
> On Wed, 10 Jan 2024 17:07:26 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
>
>>> From: Stefan Kangas <stefankangas@gmail.com>
>>> Date: Wed, 10 Jan 2024 06:55:30 -0800
>>> Cc: Eli Zaretskii <eliz@gnu.org>
>>>
>>> Stephen Berman via "Bug reports for GNU Emacs, the Swiss army knife of
>>> text editors" <bug-gnu-emacs@gnu.org> writes:
>>>
>>> > While the misfontification isn't a regression -- the support for cgroups
>>> > (but only for cgroup v1) in etc-fstab-generic-mode was added in January
>>> > 2021 (commit 80d964ec8b) -- the fix could go into emacs-29, since cgroup
>>> > v2 became official in the Linux kernel in March 2016 (kernel 4.5); i.e.,
>>> > omitting cgroup2 was presumably an oversight in that commit.
>>>
>>> I don't really have an opinion, but sounds good to me.  Eli?
>>
>> I don't mind adding this to emacs-29.
>>
>> Thanks.
>
> Instead of resending the patch I just went ahead and installed it to
> emacs-29.

And now closed the bug.

Steve Berman