Re: [Qemu-devel] [PATCH] .dir-locals.el: Explicitly set indentation level

[Markus Armbruster <armbru@redhat.com>]

Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> writes:

> At least in some configurations, setting c-file-style is not enough to
> conform to the QEMU coding style, so explicitly set c-basic-offset as well.
>
> Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
> ---
>
> My emacs was using indentation level of 8 spaces and this patch convinced
> it to use the correct value.
>
> I set c-basic-offset set to tab-width in my ~/.spacemacs which perhaps
> isn't the wisest thing to do, but since there's a .dir-locals.el we can
> make the editor always do the right thing.

I think some of this rationale should be worked into the commit message
if we decide the patch makes sense.

>  .dir-locals.el | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/.dir-locals.el b/.dir-locals.el
> index 3ac0cfc6f0d6..8e47418c5996 100644
> --- a/.dir-locals.el
> +++ b/.dir-locals.el
> @@ -1,2 +1,3 @@
>  ((c-mode . ((c-file-style . "stroustrup")
> -	    (indent-tabs-mode . nil))))
> +	    (indent-tabs-mode . nil)
> +	    (c-basic-offset . 4))))

Style "stroustrup" already specified c-basic-offset 4.  If we need to
specify this setting a second time, why don't we need to specify the
style's other settings a second time, too?