Re: [Xen-devel] [PATCH] get_maintainers.pl: Avoid THE_REST when files are added or removed

2018-02-22 Thread Ian Jackson
Jan Beulich writes ("Re: [PATCH] get_maintainers.pl: Avoid THE_REST when files 
are added or removed"):
> On 22.02.18 at 10:27,  wrote:
> Oh, I see - it's the file name collection code you change, not the
> consuming side, I'm sorry for the noise. However, isn't
> omitting the leading / a potential problem then? While it's not
> very likely for us to gain ./dev/null, it's also not entirely impossible.

If we gain ./dev/null it is because it was a morning in very early
April and whoever acked it and committed it hadn't had enough coffee.

Ian.

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Re: [Xen-devel] [PATCH] get_maintainers.pl: Avoid THE_REST when files are added or removed

2018-02-22 Thread Alan Robinson
Hi Jan,

On Thu, Feb 22, 2018 at 02:45:48AM -0700, Jan Beulich wrote:
> Oh, I see - it's the file name collection code you change, not the
> consuming side, I'm sorry for the noise. However, isn't
> omitting the leading / a potential problem then?

The leading / is stripped away several lines before this..

> While it's not
> very likely for us to gain ./dev/null, it's also not entirely impossible.

True and this change does mean that get_maintainer.pl would fail to
recognise such a patch as a patch..(just tried)

> Furthermore, shouldn't you move the setting of $lastfile into
> the conditional as well?

Let me send a second version

Alan

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Re: [Xen-devel] [PATCH] get_maintainers.pl: Avoid THE_REST when files are added or removed

2018-02-22 Thread Jan Beulich
>>> On 22.02.18 at 10:27,  wrote:
> On Thu, Feb 22, 2018 at 02:16:23AM -0700, Jan Beulich wrote:
>> From: Jan Beulich 
>> Subject: Re: [PATCH] get_maintainers.pl: Avoid THE_REST when files are
>>  added or removed
>> 
>> >>> On 22.02.18 at 10:09,  wrote:
>> > When files are added or removed /dev/null is used as a place
>> > holder name in the patch for the absent file.  Don't try and
>> > find a MAINTAINER for this place holder, it only ever flags
>> > and then spams THE REST.
>> 
>> When a file is added, it falls under THE REST maintainership unless
>> there's a pattern already in place covering the file, or a new entry
>> is being added at the same time. When a file is removed, whoever
>> was its maintainer should be Cc-ed. So perhaps it's rather the
>> /dev/null placeholder use that's wrong?
> Exactly - that what this patch tries to do...
> 
> get_maintainers.pl collects filename from the '+++' and '---' lines. A 
> normal (not add/remove) patch looks like this:
> 
> diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
> index 0ce2d367fa..277ba17a67 100755
> --- a/scripts/get_maintainer.pl
> +++ b/scripts/get_maintainer.pl
> 
> An add/delete patch looks like this:
> 
> diff --git a/xen/common/cpupool.c b/xen/common/cpupool.c
> deleted file mode 100644
> index 999839444e..00
> --- a/xen/common/cpupool.c
> +++ /dev/null
> 
> Here get_maintainers.pl finds two files, change _just_ ignores the
> dev/null.

Oh, I see - it's the file name collection code you change, not the
consuming side, I'm sorry for the noise. However, isn't
omitting the leading / a potential problem then? While it's not
very likely for us to gain ./dev/null, it's also not entirely impossible.
Furthermore, shouldn't you move the setting of $lastfile into
the conditional as well?

Jan


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Re: [Xen-devel] [PATCH] get_maintainers.pl: Avoid THE_REST when files are added or removed

2018-02-22 Thread Alan Robinson
Hi Jan,

On Thu, Feb 22, 2018 at 02:16:23AM -0700, Jan Beulich wrote:
> From: Jan Beulich 
> Subject: Re: [PATCH] get_maintainers.pl: Avoid THE_REST when files are
>  added or removed
> 
> >>> On 22.02.18 at 10:09,  wrote:
> > When files are added or removed /dev/null is used as a place
> > holder name in the patch for the absent file.  Don't try and
> > find a MAINTAINER for this place holder, it only ever flags
> > and then spams THE REST.
> 
> When a file is added, it falls under THE REST maintainership unless
> there's a pattern already in place covering the file, or a new entry
> is being added at the same time. When a file is removed, whoever
> was its maintainer should be Cc-ed. So perhaps it's rather the
> /dev/null placeholder use that's wrong?
Exactly - that what this patch tries to do...

get_maintainers.pl collects filename from the '+++' and '---' lines. A 
normal (not add/remove) patch looks like this:

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 0ce2d367fa..277ba17a67 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl

An add/delete patch looks like this:

diff --git a/xen/common/cpupool.c b/xen/common/cpupool.c
deleted file mode 100644
index 999839444e..00
--- a/xen/common/cpupool.c
+++ /dev/null

Here get_maintainers.pl finds two files, change _just_ ignores the
dev/null.

> 
> Also, please send patches _to_ the list, _cc_-ing individuals as
> needed.
Ahh..sorry about that

Alan

-- 
Alan Robinson
Enterprise Platform Services, Germany

Fujitsu
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Tel.: +49 (89) 62060 3927
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E-Mail: alan.robin...@ts.fujitsu.com
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Re: [Xen-devel] [PATCH] get_maintainers.pl: Avoid THE_REST when files are added or removed

2018-02-22 Thread Jan Beulich
>>> On 22.02.18 at 10:09,  wrote:
> When files are added or removed /dev/null is used as a place
> holder name in the patch for the absent file.  Don't try and
> find a MAINTAINER for this place holder, it only ever flags
> and then spams THE REST.

When a file is added, it falls under THE REST maintainership unless
there's a pattern already in place covering the file, or a new entry
is being added at the same time. When a file is removed, whoever
was its maintainer should be Cc-ed. So perhaps it's rather the
/dev/null placeholder use that's wrong?

Also, please send patches _to_ the list, _cc_-ing individuals as
needed.

Jan


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