netdev - Re: iproute2: bash completion function for tc

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Message-ID: <5721FEE1.7080807@6wind.com>
Date:	Thu, 28 Apr 2016 14:15:29 +0200
From:	Quentin Monnet <quentin.monnet@...nd.com>
To:	Stephen Hemminger <stephen@...workplumber.org>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:	Jamal Hadi Salim <hadi@...atatu.com>,
	Vincent Jardin <vincent.jardin@...nd.com>,
	netdev@...r.kernel.org
Subject: Re: iproute2: bash completion function for tc

Hi Alexei, Stephen,

2016-04-27 (22:13 UTC-0700) ~ Stephen Hemminger:
> On Wed, 27 Apr 2016 20:19:26 -0700
> Alexei Starovoitov <alexei.starovoitov@...il.com> wrote:
> 
>> On Tue, Apr 26, 2016 at 09:28:17AM +0200, Quentin Monnet wrote:
>>> Hi Jamal, Stephen,
>>>
>>> I searched for a function providing auto-completion for `tc` utility in
>>> bash, but I found none. So I have created one, and I would like share it
>>> with the community. It is available here:
>>> https://github.com/6WIND/tc_bash-completion/blob/master/tc
>>> I would like to make it easily available to tc users, so here is a
>>> twofold request:
>>>
>>> * I do not know where to submit the code. Should I submit here on netdev
>>> for inclusion in iproute2 package, or rather to the bash-completion
>>> repository on GitHub? I feel like it would receive better feedback and
>>> updates if pushed to iproute2. Could you please provide some advice here?
>>> * The completion for `tc` seems to work well; I have tested it with many
>>> commands, but I am no tc expert, and there are probably some cases where
>>> the completion fails to propose the correct choices. I would be really
>>> interested in any feedback/bug reports that you, or anyone on this list
>>> who uses tc, could provide.
>>
>> that looks very interesting.
>> I think making it a part of iproute2 is a good thing.
>> How about installing it into /etc/iproute2/ ?
>> Stephen, any comments?
>>
> 
> I am ok with keeping it in the repository.
> But it would need to be installed in the standard bash directory,
> is that distro dependent?
> 

As far as I know the bash-completion directory is not distro dependent,
but it moved at some point (2011) from /etc/bash_completion.d/ to
/usr/share/bash-completion/completions/. While backward compatibility is
provided with the former location, it is now recommended to use the latter.

So one idea could be to check (in iproute2 Makefile) for existence of
/usr/share/bash-completion/completions/ directory, and if not found to
fall back to /etc/bash_completion.d/. If none is found, use
/usr/share/bash-completion/completions/. Does this seem correct?