[Buildroot] [PATCH 1/2] system/skeleton: add mail group

[Yann E. MORIN <yann.morin.1998@free.fr>]

Luca, All,

On 2014-03-07 16:04 +0100, Luca Ceresoli spake thusly:
> Yann E. MORIN wrote:
> >On 2014-03-06 17:54 +0100, Luca Ceresoli spake thusly:
> >>---
> >>  system/skeleton/etc/group | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >>diff --git a/system/skeleton/etc/group b/system/skeleton/etc/group
> >>index 864d1db..85a1fa2 100644
> >>--- a/system/skeleton/etc/group
> >>+++ b/system/skeleton/etc/group
> >>@@ -6,6 +6,7 @@ adm:x:4:
> >>  tty:x:5:
> >>  disk:x:6:
> >>  lp:x:7:
> >>+mail:x:8:
> >>  kmem:x:9:
> >>  wheel:x:10:root
> >>  cdrom:x:11:
> >
> >There is no reason to add the 'mail' group to the default skeleton. If
> >it is missing, 'mkuser' is expected to create it (if not, that's a bug.)
> >
> >So the EXIM_USER in your second patch should be enough.
> 
> Technically speaking you're perfectly right.
> 
> I just felt the mail group is one of those groups that are supposed to
> be used by multiple packages. At least an MTA and a mail server, maybe
> a spam filter, a virus scanner... and we might have multiple
> alternatives for each of them.
> 
> So it looks bad to me to refer to the same group in (potentially) many
> packages and not having the group well-defined in "the" group list.
> 
> Of course this is my POV, and it's not very strong now that we have such
> a small number of mail-related packages in Buildroot...

'mail' is not a strictly-required group, so I think it does not really
belong to the skeleton, especially since most systems Buildroot is aimed
at won't have an MDA. OTOH, it is a pretty prevalent group in Unix
systems.

So I don't mind much about adding the 'mail' group.

> Oh, following my idea I could as well change:
> 
>  define EXIM_USERS
> -exim 88 mail 8 * - - - exim
> +exim 88 mail -1 * - - - exim
>  endef
> 
> and your script would get the group ID, right?

Yes.

Regards,
Yann E. MORIN.

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